{ "version": 3, "sources": ["../../../node_modules/@rails/actioncable/src/adapters.js", "../../../node_modules/@rails/actioncable/src/logger.js", "../../../node_modules/@rails/actioncable/src/connection_monitor.js", "../../../node_modules/@rails/actioncable/src/internal.js", "../../../node_modules/@rails/actioncable/src/connection.js", "../../../node_modules/@rails/actioncable/src/subscription.js", "../../../node_modules/@rails/actioncable/src/subscription_guarantor.js", "../../../node_modules/@rails/actioncable/src/subscriptions.js", "../../../node_modules/@rails/actioncable/src/consumer.js", "../../../node_modules/@rails/actioncable/src/index.js", "../../../node_modules/urijs/src/punycode.js", "../../../node_modules/urijs/src/IPv6.js", "../../../node_modules/urijs/src/SecondLevelDomains.js", "../../../node_modules/urijs/src/URI.js", "../../../node_modules/codemirror/lib/codemirror.js", "../../../node_modules/codemirror/mode/xml/xml.js", "../../../node_modules/codemirror/mode/javascript/javascript.js", "../../../node_modules/codemirror/mode/css/css.js", "../../../node_modules/codemirror/mode/htmlmixed/htmlmixed.js", "../../../node_modules/highlight.js/lib/core.js", "../../../node_modules/strftime/strftime.js", "../../../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js", "../../../node_modules/@hotwired/turbo-rails/app/javascript/turbo/cable.js", "../../../node_modules/@hotwired/turbo-rails/app/javascript/turbo/snakeize.js", "../../../node_modules/@hotwired/turbo-rails/app/javascript/turbo/cable_stream_source_element.js", "../../../node_modules/@hotwired/turbo-rails/app/javascript/turbo/fetch_requests.js", "../../../node_modules/@hotwired/turbo-rails/app/javascript/turbo/index.js", "../../../node_modules/@rails/activestorage/app/assets/javascripts/activestorage.esm.js", "../../../node_modules/@hotwired/stimulus/dist/stimulus.js", "../../javascript/controllers/application.js", "../../javascript/controllers/active_link_controller.js", "../../javascript/controllers/address_fields_controller.js", "../../javascript/controllers/button_submit_controller.js", "../../../node_modules/@kurkle/color/dist/color.esm.js", "../../../node_modules/chart.js/src/helpers/helpers.core.ts", "../../../node_modules/chart.js/src/helpers/helpers.math.ts", "../../../node_modules/chart.js/src/helpers/helpers.collection.ts", "../../../node_modules/chart.js/src/helpers/helpers.extras.ts", "../../../node_modules/chart.js/src/helpers/helpers.easing.ts", "../../../node_modules/chart.js/src/helpers/helpers.color.ts", "../../../node_modules/chart.js/src/core/core.animations.defaults.js", "../../../node_modules/chart.js/src/core/core.layouts.defaults.js", "../../../node_modules/chart.js/src/helpers/helpers.intl.ts", "../../../node_modules/chart.js/src/core/core.ticks.js", "../../../node_modules/chart.js/src/core/core.scale.defaults.js", 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"../../../node_modules/chart.js/src/scales/scale.time.js", "../../../node_modules/chart.js/src/scales/scale.timeseries.js", "../../../node_modules/chart.js/src/index.ts", "../../../node_modules/chart.js/auto/auto.js", "../../javascript/controllers/chart_controller.js", "../../javascript/controllers/clipboard_controller.js", "../../javascript/controllers/cloudflare_turnstile_controller.js", "../../javascript/controllers/code_area_controller.js", "../../javascript/controllers/command_palette_controller.js", "../../javascript/controllers/confirm_modal_controller.js", "../../javascript/controllers/development/direct_upload_controller.js", "../../javascript/controllers/development/paypal_checkout_controller.js", "../../javascript/controllers/development/paystack_checkout_controller.js", "../../javascript/controllers/development/stripe_checkout_controller.js", "../../javascript/controllers/dialog_controller.js", "../../javascript/controllers/discount_form_controller.js", "../../../node_modules/@floating-ui/utils/dist/floating-ui.utils.mjs", "../../../node_modules/@floating-ui/core/dist/floating-ui.core.mjs", "../../../node_modules/@floating-ui/utils/dist/floating-ui.utils.dom.mjs", "../../../node_modules/@floating-ui/dom/dist/floating-ui.dom.mjs", "../../javascript/controllers/dropdown_controller.js", "../../javascript/controllers/file_field_controller.js", "../../javascript/controllers/flash_message_controller.js", "../../javascript/controllers/form_accordion_controller.js", "../../../node_modules/highlight.js/es/core.js", "../../../node_modules/highlight.js/es/languages/json.js", "../../javascript/controllers/json_display_controller.js", "../../javascript/controllers/local_time_controller.js", "../../../node_modules/relative-time-format/source/LocaleDataStore.js", "../../../node_modules/relative-time-format/source/resolveLocale.js", "../../../node_modules/relative-time-format/source/PluralRuleFunctions.js", "../../../node_modules/relative-time-format/source/getPluralRulesLocale.js", "../../../node_modules/relative-time-format/source/PluralRules.js", "../../../node_modules/relative-time-format/source/RelativeTimeFormat.js", "../../../node_modules/javascript-time-ago/source/cache.js", "../../../node_modules/javascript-time-ago/source/locale.js", "../../../node_modules/javascript-time-ago/source/isStyleObject.js", "../../../node_modules/javascript-time-ago/source/steps/units.js", "../../../node_modules/javascript-time-ago/source/steps/getStepDenominator.js", "../../../node_modules/javascript-time-ago/source/round.js", "../../../node_modules/javascript-time-ago/source/steps/getStepMinTime.js", "../../../node_modules/javascript-time-ago/source/steps/getStep.js", "../../../node_modules/javascript-time-ago/source/steps/getTimeToNextUpdateForUnit.js", "../../../node_modules/javascript-time-ago/source/steps/getTimeToNextUpdate.js", "../../../node_modules/javascript-time-ago/source/LocaleDataStore.js", "../../../node_modules/javascript-time-ago/source/steps/round.js", "../../../node_modules/javascript-time-ago/source/style/round.js", "../../../node_modules/javascript-time-ago/source/style/roundMinute.js", "../../../node_modules/javascript-time-ago/source/steps/approximate.js", "../../../node_modules/javascript-time-ago/source/style/approximate.js", "../../../node_modules/javascript-time-ago/source/style/approximateTime.js", "../../../node_modules/javascript-time-ago/source/steps/helpers.js", "../../../node_modules/javascript-time-ago/source/style/twitter.js", "../../../node_modules/javascript-time-ago/source/style/twitterNow.js", "../../../node_modules/javascript-time-ago/source/style/twitterMinute.js", "../../../node_modules/javascript-time-ago/source/style/twitterMinuteNow.js", "../../../node_modules/javascript-time-ago/source/style/twitterFirstMinute.js", "../../../node_modules/javascript-time-ago/source/style/mini.js", "../../../node_modules/javascript-time-ago/source/style/miniNow.js", "../../../node_modules/javascript-time-ago/source/style/miniMinute.js", "../../../node_modules/javascript-time-ago/source/style/miniMinuteNow.js", "../../../node_modules/javascript-time-ago/source/style/getStyleByName.js", "../../../node_modules/javascript-time-ago/source/TimeAgo.js", "../../../node_modules/javascript-time-ago/locale/en.json.js", "../../javascript/controllers/mock_controller.js", "../../javascript/controllers/payment_form_controller.js", "../../../node_modules/@paypal/paypal-js/dist/esm/paypal-js.js", "../../javascript/controllers/paypal_controller.js", "../../javascript/controllers/pricing_controller.js", "../../javascript/controllers/stripe_controller.js", "../../javascript/controllers/swap_form_controller.js", "../../javascript/controllers/tab_panels_controller.js", "../../javascript/controllers/toggle_sidebar_controller.js", "../../../node_modules/@popperjs/core/lib/enums.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getNodeName.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getWindow.js", "../../../node_modules/@popperjs/core/lib/dom-utils/instanceOf.js", "../../../node_modules/@popperjs/core/lib/modifiers/applyStyles.js", "../../../node_modules/@popperjs/core/lib/utils/getBasePlacement.js", "../../../node_modules/@popperjs/core/lib/utils/math.js", "../../../node_modules/@popperjs/core/lib/utils/userAgent.js", "../../../node_modules/@popperjs/core/lib/dom-utils/isLayoutViewport.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getBoundingClientRect.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getLayoutRect.js", "../../../node_modules/@popperjs/core/lib/dom-utils/contains.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getComputedStyle.js", "../../../node_modules/@popperjs/core/lib/dom-utils/isTableElement.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getDocumentElement.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getParentNode.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getOffsetParent.js", "../../../node_modules/@popperjs/core/lib/utils/getMainAxisFromPlacement.js", "../../../node_modules/@popperjs/core/lib/utils/within.js", "../../../node_modules/@popperjs/core/lib/utils/getFreshSideObject.js", "../../../node_modules/@popperjs/core/lib/utils/mergePaddingObject.js", "../../../node_modules/@popperjs/core/lib/utils/expandToHashMap.js", "../../../node_modules/@popperjs/core/lib/modifiers/arrow.js", "../../../node_modules/@popperjs/core/lib/utils/getVariation.js", "../../../node_modules/@popperjs/core/lib/modifiers/computeStyles.js", "../../../node_modules/@popperjs/core/lib/modifiers/eventListeners.js", "../../../node_modules/@popperjs/core/lib/utils/getOppositePlacement.js", "../../../node_modules/@popperjs/core/lib/utils/getOppositeVariationPlacement.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getWindowScroll.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getWindowScrollBarX.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getViewportRect.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getDocumentRect.js", "../../../node_modules/@popperjs/core/lib/dom-utils/isScrollParent.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getScrollParent.js", "../../../node_modules/@popperjs/core/lib/dom-utils/listScrollParents.js", "../../../node_modules/@popperjs/core/lib/utils/rectToClientRect.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getClippingRect.js", "../../../node_modules/@popperjs/core/lib/utils/computeOffsets.js", "../../../node_modules/@popperjs/core/lib/utils/detectOverflow.js", "../../../node_modules/@popperjs/core/lib/utils/computeAutoPlacement.js", "../../../node_modules/@popperjs/core/lib/modifiers/flip.js", "../../../node_modules/@popperjs/core/lib/modifiers/hide.js", "../../../node_modules/@popperjs/core/lib/modifiers/offset.js", "../../../node_modules/@popperjs/core/lib/modifiers/popperOffsets.js", "../../../node_modules/@popperjs/core/lib/utils/getAltAxis.js", "../../../node_modules/@popperjs/core/lib/modifiers/preventOverflow.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getHTMLElementScroll.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getNodeScroll.js", "../../../node_modules/@popperjs/core/lib/dom-utils/getCompositeRect.js", "../../../node_modules/@popperjs/core/lib/utils/orderModifiers.js", "../../../node_modules/@popperjs/core/lib/utils/debounce.js", "../../../node_modules/@popperjs/core/lib/utils/mergeByName.js", "../../../node_modules/@popperjs/core/lib/createPopper.js", "../../../node_modules/@popperjs/core/lib/popper.js", "../../../node_modules/tippy.js/src/constants.ts", "../../../node_modules/tippy.js/src/utils.ts", "../../../node_modules/tippy.js/src/dom-utils.ts", "../../../node_modules/tippy.js/src/bindGlobalEventListeners.ts", "../../../node_modules/tippy.js/src/browser.ts", "../../../node_modules/tippy.js/src/validation.ts", "../../../node_modules/tippy.js/src/props.ts", "../../../node_modules/tippy.js/src/template.ts", "../../../node_modules/tippy.js/src/createTippy.ts", "../../../node_modules/tippy.js/src/index.ts", "../../../node_modules/tippy.js/src/addons/createSingleton.ts", "../../../node_modules/tippy.js/src/addons/delegate.ts", "../../../node_modules/tippy.js/src/plugins/animateFill.ts", "../../../node_modules/tippy.js/src/plugins/followCursor.ts", "../../../node_modules/tippy.js/src/plugins/inlinePositioning.ts", "../../../node_modules/tippy.js/src/plugins/sticky.ts", "../../../node_modules/tippy.js/build/base.js", "../../javascript/controllers/tooltip_controller.js", "../../javascript/controllers/index.js", "../../javascript/stream_actions/redirect_to.js", "../../javascript/stream_actions/set_payment_form_client_data.js", "../../javascript/stream_actions/show_remote_modal.js", "../../javascript/stream_actions/update_payment_form.js", "../../javascript/application.js"], "sourcesContent": ["export default {\n logger: typeof console !== \"undefined\" ? console : undefined,\n WebSocket: typeof WebSocket !== \"undefined\" ? WebSocket : undefined,\n}\n", "import adapters from \"./adapters\"\n\n// The logger is disabled by default. You can enable it with:\n//\n// ActionCable.logger.enabled = true\n//\n// Example:\n//\n// import * as ActionCable from '@rails/actioncable'\n//\n// ActionCable.logger.enabled = true\n// ActionCable.logger.log('Connection Established.')\n//\n\nexport default {\n log(...messages) {\n if (this.enabled) {\n messages.push(Date.now())\n adapters.logger.log(\"[ActionCable]\", ...messages)\n }\n },\n}\n", "import logger from \"./logger\"\n\n// Responsible for ensuring the cable connection is in good health by validating the heartbeat pings sent from the server, and attempting\n// revival reconnections if things go astray. Internal class, not intended for direct user manipulation.\n\nconst now = () => new Date().getTime()\n\nconst secondsSince = time => (now() - time) / 1000\n\nclass ConnectionMonitor {\n constructor(connection) {\n this.visibilityDidChange = this.visibilityDidChange.bind(this)\n this.connection = connection\n this.reconnectAttempts = 0\n }\n\n start() {\n if (!this.isRunning()) {\n this.startedAt = now()\n delete this.stoppedAt\n this.startPolling()\n addEventListener(\"visibilitychange\", this.visibilityDidChange)\n logger.log(`ConnectionMonitor started. stale threshold = ${this.constructor.staleThreshold} s`)\n }\n }\n\n stop() {\n if (this.isRunning()) {\n this.stoppedAt = now()\n this.stopPolling()\n removeEventListener(\"visibilitychange\", this.visibilityDidChange)\n logger.log(\"ConnectionMonitor stopped\")\n }\n }\n\n isRunning() {\n return this.startedAt && !this.stoppedAt\n }\n\n recordMessage() {\n this.pingedAt = now()\n }\n\n recordConnect() {\n this.reconnectAttempts = 0\n delete this.disconnectedAt\n logger.log(\"ConnectionMonitor recorded connect\")\n }\n\n recordDisconnect() {\n this.disconnectedAt = now()\n logger.log(\"ConnectionMonitor recorded disconnect\")\n }\n\n // Private\n\n startPolling() {\n this.stopPolling()\n this.poll()\n }\n\n stopPolling() {\n clearTimeout(this.pollTimeout)\n }\n\n poll() {\n this.pollTimeout = setTimeout(() => {\n this.reconnectIfStale()\n this.poll()\n }\n , this.getPollInterval())\n }\n\n getPollInterval() {\n const { staleThreshold, reconnectionBackoffRate } = this.constructor\n const backoff = Math.pow(1 + reconnectionBackoffRate, Math.min(this.reconnectAttempts, 10))\n const jitterMax = this.reconnectAttempts === 0 ? 1.0 : reconnectionBackoffRate\n const jitter = jitterMax * Math.random()\n return staleThreshold * 1000 * backoff * (1 + jitter)\n }\n\n reconnectIfStale() {\n if (this.connectionIsStale()) {\n logger.log(`ConnectionMonitor detected stale connection. reconnectAttempts = ${this.reconnectAttempts}, time stale = ${secondsSince(this.refreshedAt)} s, stale threshold = ${this.constructor.staleThreshold} s`)\n this.reconnectAttempts++\n if (this.disconnectedRecently()) {\n logger.log(`ConnectionMonitor skipping reopening recent disconnect. time disconnected = ${secondsSince(this.disconnectedAt)} s`)\n } else {\n logger.log(\"ConnectionMonitor reopening\")\n this.connection.reopen()\n }\n }\n }\n\n get refreshedAt() {\n return this.pingedAt ? this.pingedAt : this.startedAt\n }\n\n connectionIsStale() {\n return secondsSince(this.refreshedAt) > this.constructor.staleThreshold\n }\n\n disconnectedRecently() {\n return this.disconnectedAt && (secondsSince(this.disconnectedAt) < this.constructor.staleThreshold)\n }\n\n visibilityDidChange() {\n if (document.visibilityState === \"visible\") {\n setTimeout(() => {\n if (this.connectionIsStale() || !this.connection.isOpen()) {\n logger.log(`ConnectionMonitor reopening stale connection on visibilitychange. visibilityState = ${document.visibilityState}`)\n this.connection.reopen()\n }\n }\n , 200)\n }\n }\n\n}\n\nConnectionMonitor.staleThreshold = 6 // Server::Connections::BEAT_INTERVAL * 2 (missed two pings)\nConnectionMonitor.reconnectionBackoffRate = 0.15\n\nexport default ConnectionMonitor\n", "export default {\n \"message_types\": {\n \"welcome\": \"welcome\",\n \"disconnect\": \"disconnect\",\n \"ping\": \"ping\",\n \"confirmation\": \"confirm_subscription\",\n \"rejection\": \"reject_subscription\"\n },\n \"disconnect_reasons\": {\n \"unauthorized\": \"unauthorized\",\n \"invalid_request\": \"invalid_request\",\n \"server_restart\": \"server_restart\",\n \"remote\": \"remote\"\n },\n \"default_mount_path\": \"/cable\",\n \"protocols\": [\n \"actioncable-v1-json\",\n \"actioncable-unsupported\"\n ]\n}\n", "import adapters from \"./adapters\"\nimport ConnectionMonitor from \"./connection_monitor\"\nimport INTERNAL from \"./internal\"\nimport logger from \"./logger\"\n\n// Encapsulate the cable connection held by the consumer. This is an internal class not intended for direct user manipulation.\n\nconst {message_types, protocols} = INTERNAL\nconst supportedProtocols = protocols.slice(0, protocols.length - 1)\n\nconst indexOf = [].indexOf\n\nclass Connection {\n constructor(consumer) {\n this.open = this.open.bind(this)\n this.consumer = consumer\n this.subscriptions = this.consumer.subscriptions\n this.monitor = new ConnectionMonitor(this)\n this.disconnected = true\n }\n\n send(data) {\n if (this.isOpen()) {\n this.webSocket.send(JSON.stringify(data))\n return true\n } else {\n return false\n }\n }\n\n open() {\n if (this.isActive()) {\n logger.log(`Attempted to open WebSocket, but existing socket is ${this.getState()}`)\n return false\n } else {\n const socketProtocols = [...protocols, ...this.consumer.subprotocols || []]\n logger.log(`Opening WebSocket, current state is ${this.getState()}, subprotocols: ${socketProtocols}`)\n if (this.webSocket) { this.uninstallEventHandlers() }\n this.webSocket = new adapters.WebSocket(this.consumer.url, socketProtocols)\n this.installEventHandlers()\n this.monitor.start()\n return true\n }\n }\n\n close({allowReconnect} = {allowReconnect: true}) {\n if (!allowReconnect) { this.monitor.stop() }\n // Avoid closing websockets in a \"connecting\" state due to Safari 15.1+ bug. See: https://github.com/rails/rails/issues/43835#issuecomment-1002288478\n if (this.isOpen()) {\n return this.webSocket.close()\n }\n }\n\n reopen() {\n logger.log(`Reopening WebSocket, current state is ${this.getState()}`)\n if (this.isActive()) {\n try {\n return this.close()\n } catch (error) {\n logger.log(\"Failed to reopen WebSocket\", error)\n }\n finally {\n logger.log(`Reopening WebSocket in ${this.constructor.reopenDelay}ms`)\n setTimeout(this.open, this.constructor.reopenDelay)\n }\n } else {\n return this.open()\n }\n }\n\n getProtocol() {\n if (this.webSocket) {\n return this.webSocket.protocol\n }\n }\n\n isOpen() {\n return this.isState(\"open\")\n }\n\n isActive() {\n return this.isState(\"open\", \"connecting\")\n }\n\n triedToReconnect() {\n return this.monitor.reconnectAttempts > 0\n }\n\n // Private\n\n isProtocolSupported() {\n return indexOf.call(supportedProtocols, this.getProtocol()) >= 0\n }\n\n isState(...states) {\n return indexOf.call(states, this.getState()) >= 0\n }\n\n getState() {\n if (this.webSocket) {\n for (let state in adapters.WebSocket) {\n if (adapters.WebSocket[state] === this.webSocket.readyState) {\n return state.toLowerCase()\n }\n }\n }\n return null\n }\n\n installEventHandlers() {\n for (let eventName in this.events) {\n const handler = this.events[eventName].bind(this)\n this.webSocket[`on${eventName}`] = handler\n }\n }\n\n uninstallEventHandlers() {\n for (let eventName in this.events) {\n this.webSocket[`on${eventName}`] = function() {}\n }\n }\n\n}\n\nConnection.reopenDelay = 500\n\nConnection.prototype.events = {\n message(event) {\n if (!this.isProtocolSupported()) { return }\n const {identifier, message, reason, reconnect, type} = JSON.parse(event.data)\n this.monitor.recordMessage()\n switch (type) {\n case message_types.welcome:\n if (this.triedToReconnect()) {\n this.reconnectAttempted = true\n }\n this.monitor.recordConnect()\n return this.subscriptions.reload()\n case message_types.disconnect:\n logger.log(`Disconnecting. Reason: ${reason}`)\n return this.close({allowReconnect: reconnect})\n case message_types.ping:\n return null\n case message_types.confirmation:\n this.subscriptions.confirmSubscription(identifier)\n if (this.reconnectAttempted) {\n this.reconnectAttempted = false\n return this.subscriptions.notify(identifier, \"connected\", {reconnected: true})\n } else {\n return this.subscriptions.notify(identifier, \"connected\", {reconnected: false})\n }\n case message_types.rejection:\n return this.subscriptions.reject(identifier)\n default:\n return this.subscriptions.notify(identifier, \"received\", message)\n }\n },\n\n open() {\n logger.log(`WebSocket onopen event, using '${this.getProtocol()}' subprotocol`)\n this.disconnected = false\n if (!this.isProtocolSupported()) {\n logger.log(\"Protocol is unsupported. Stopping monitor and disconnecting.\")\n return this.close({allowReconnect: false})\n }\n },\n\n close(event) {\n logger.log(\"WebSocket onclose event\")\n if (this.disconnected) { return }\n this.disconnected = true\n this.monitor.recordDisconnect()\n return this.subscriptions.notifyAll(\"disconnected\", {willAttemptReconnect: this.monitor.isRunning()})\n },\n\n error() {\n logger.log(\"WebSocket onerror event\")\n }\n}\n\nexport default Connection\n", "// A new subscription is created through the ActionCable.Subscriptions instance available on the consumer.\n// It provides a number of callbacks and a method for calling remote procedure calls on the corresponding\n// Channel instance on the server side.\n//\n// An example demonstrates the basic functionality:\n//\n// App.appearance = App.cable.subscriptions.create(\"AppearanceChannel\", {\n// connected() {\n// // Called once the subscription has been successfully completed\n// },\n//\n// disconnected({ willAttemptReconnect: boolean }) {\n// // Called when the client has disconnected with the server.\n// // The object will have an `willAttemptReconnect` property which\n// // says whether the client has the intention of attempting\n// // to reconnect.\n// },\n//\n// appear() {\n// this.perform('appear', {appearing_on: this.appearingOn()})\n// },\n//\n// away() {\n// this.perform('away')\n// },\n//\n// appearingOn() {\n// $('main').data('appearing-on')\n// }\n// })\n//\n// The methods #appear and #away forward their intent to the remote AppearanceChannel instance on the server\n// by calling the `perform` method with the first parameter being the action (which maps to AppearanceChannel#appear/away).\n// The second parameter is a hash that'll get JSON encoded and made available on the server in the data parameter.\n//\n// This is how the server component would look:\n//\n// class AppearanceChannel < ApplicationActionCable::Channel\n// def subscribed\n// current_user.appear\n// end\n//\n// def unsubscribed\n// current_user.disappear\n// end\n//\n// def appear(data)\n// current_user.appear on: data['appearing_on']\n// end\n//\n// def away\n// current_user.away\n// end\n// end\n//\n// The \"AppearanceChannel\" name is automatically mapped between the client-side subscription creation and the server-side Ruby class name.\n// The AppearanceChannel#appear/away public methods are exposed automatically to client-side invocation through the perform method.\n\nconst extend = function(object, properties) {\n if (properties != null) {\n for (let key in properties) {\n const value = properties[key]\n object[key] = value\n }\n }\n return object\n}\n\nexport default class Subscription {\n constructor(consumer, params = {}, mixin) {\n this.consumer = consumer\n this.identifier = JSON.stringify(params)\n extend(this, mixin)\n }\n\n // Perform a channel action with the optional data passed as an attribute\n perform(action, data = {}) {\n data.action = action\n return this.send(data)\n }\n\n send(data) {\n return this.consumer.send({command: \"message\", identifier: this.identifier, data: JSON.stringify(data)})\n }\n\n unsubscribe() {\n return this.consumer.subscriptions.remove(this)\n }\n}\n", "import logger from \"./logger\"\n\n// Responsible for ensuring channel subscribe command is confirmed, retrying until confirmation is received.\n// Internal class, not intended for direct user manipulation.\n\nclass SubscriptionGuarantor {\n constructor(subscriptions) {\n this.subscriptions = subscriptions\n this.pendingSubscriptions = []\n }\n\n guarantee(subscription) {\n if(this.pendingSubscriptions.indexOf(subscription) == -1){ \n logger.log(`SubscriptionGuarantor guaranteeing ${subscription.identifier}`)\n this.pendingSubscriptions.push(subscription) \n }\n else {\n logger.log(`SubscriptionGuarantor already guaranteeing ${subscription.identifier}`)\n }\n this.startGuaranteeing()\n }\n\n forget(subscription) {\n logger.log(`SubscriptionGuarantor forgetting ${subscription.identifier}`)\n this.pendingSubscriptions = (this.pendingSubscriptions.filter((s) => s !== subscription))\n }\n\n startGuaranteeing() {\n this.stopGuaranteeing()\n this.retrySubscribing()\n }\n \n stopGuaranteeing() {\n clearTimeout(this.retryTimeout)\n }\n\n retrySubscribing() {\n this.retryTimeout = setTimeout(() => {\n if (this.subscriptions && typeof(this.subscriptions.subscribe) === \"function\") {\n this.pendingSubscriptions.map((subscription) => {\n logger.log(`SubscriptionGuarantor resubscribing ${subscription.identifier}`)\n this.subscriptions.subscribe(subscription)\n })\n }\n }\n , 500)\n }\n}\n\nexport default SubscriptionGuarantor", "import Subscription from \"./subscription\"\nimport SubscriptionGuarantor from \"./subscription_guarantor\"\nimport logger from \"./logger\"\n\n// Collection class for creating (and internally managing) channel subscriptions.\n// The only method intended to be triggered by the user is ActionCable.Subscriptions#create,\n// and it should be called through the consumer like so:\n//\n// App = {}\n// App.cable = ActionCable.createConsumer(\"ws://example.com/accounts/1\")\n// App.appearance = App.cable.subscriptions.create(\"AppearanceChannel\")\n//\n// For more details on how you'd configure an actual channel subscription, see ActionCable.Subscription.\n\nexport default class Subscriptions {\n constructor(consumer) {\n this.consumer = consumer\n this.guarantor = new SubscriptionGuarantor(this)\n this.subscriptions = []\n }\n\n create(channelName, mixin) {\n const channel = channelName\n const params = typeof channel === \"object\" ? channel : {channel}\n const subscription = new Subscription(this.consumer, params, mixin)\n return this.add(subscription)\n }\n\n // Private\n\n add(subscription) {\n this.subscriptions.push(subscription)\n this.consumer.ensureActiveConnection()\n this.notify(subscription, \"initialized\")\n this.subscribe(subscription)\n return subscription\n }\n\n remove(subscription) {\n this.forget(subscription)\n if (!this.findAll(subscription.identifier).length) {\n this.sendCommand(subscription, \"unsubscribe\")\n }\n return subscription\n }\n\n reject(identifier) {\n return this.findAll(identifier).map((subscription) => {\n this.forget(subscription)\n this.notify(subscription, \"rejected\")\n return subscription\n })\n }\n\n forget(subscription) {\n this.guarantor.forget(subscription)\n this.subscriptions = (this.subscriptions.filter((s) => s !== subscription))\n return subscription\n }\n\n findAll(identifier) {\n return this.subscriptions.filter((s) => s.identifier === identifier)\n }\n\n reload() {\n return this.subscriptions.map((subscription) =>\n this.subscribe(subscription))\n }\n\n notifyAll(callbackName, ...args) {\n return this.subscriptions.map((subscription) =>\n this.notify(subscription, callbackName, ...args))\n }\n\n notify(subscription, callbackName, ...args) {\n let subscriptions\n if (typeof subscription === \"string\") {\n subscriptions = this.findAll(subscription)\n } else {\n subscriptions = [subscription]\n }\n\n return subscriptions.map((subscription) =>\n (typeof subscription[callbackName] === \"function\" ? subscription[callbackName](...args) : undefined))\n }\n\n subscribe(subscription) {\n if (this.sendCommand(subscription, \"subscribe\")) {\n this.guarantor.guarantee(subscription)\n }\n }\n\n confirmSubscription(identifier) {\n logger.log(`Subscription confirmed ${identifier}`)\n this.findAll(identifier).map((subscription) =>\n this.guarantor.forget(subscription))\n }\n\n sendCommand(subscription, command) {\n const {identifier} = subscription\n return this.consumer.send({command, identifier})\n }\n}\n", "import Connection from \"./connection\"\nimport Subscriptions from \"./subscriptions\"\n\n// The ActionCable.Consumer establishes the connection to a server-side Ruby Connection object. Once established,\n// the ActionCable.ConnectionMonitor will ensure that its properly maintained through heartbeats and checking for stale updates.\n// The Consumer instance is also the gateway to establishing subscriptions to desired channels through the #createSubscription\n// method.\n//\n// The following example shows how this can be set up:\n//\n// App = {}\n// App.cable = ActionCable.createConsumer(\"ws://example.com/accounts/1\")\n// App.appearance = App.cable.subscriptions.create(\"AppearanceChannel\")\n//\n// For more details on how you'd configure an actual channel subscription, see ActionCable.Subscription.\n//\n// When a consumer is created, it automatically connects with the server.\n//\n// To disconnect from the server, call\n//\n// App.cable.disconnect()\n//\n// and to restart the connection:\n//\n// App.cable.connect()\n//\n// Any channel subscriptions which existed prior to disconnecting will\n// automatically resubscribe.\n\nexport default class Consumer {\n constructor(url) {\n this._url = url\n this.subscriptions = new Subscriptions(this)\n this.connection = new Connection(this)\n this.subprotocols = []\n }\n\n get url() {\n return createWebSocketURL(this._url)\n }\n\n send(data) {\n return this.connection.send(data)\n }\n\n connect() {\n return this.connection.open()\n }\n\n disconnect() {\n return this.connection.close({allowReconnect: false})\n }\n\n ensureActiveConnection() {\n if (!this.connection.isActive()) {\n return this.connection.open()\n }\n }\n\n addSubProtocol(subprotocol) {\n this.subprotocols = [...this.subprotocols, subprotocol]\n }\n}\n\nexport function createWebSocketURL(url) {\n if (typeof url === \"function\") {\n url = url()\n }\n\n if (url && !/^wss?:/i.test(url)) {\n const a = document.createElement(\"a\")\n a.href = url\n // Fix populating Location properties in IE. Otherwise, protocol will be blank.\n a.href = a.href\n a.protocol = a.protocol.replace(\"http\", \"ws\")\n return a.href\n } else {\n return url\n }\n}\n", "import Connection from \"./connection\"\nimport ConnectionMonitor from \"./connection_monitor\"\nimport Consumer, { createWebSocketURL } from \"./consumer\"\nimport INTERNAL from \"./internal\"\nimport Subscription from \"./subscription\"\nimport Subscriptions from \"./subscriptions\"\nimport SubscriptionGuarantor from \"./subscription_guarantor\"\nimport adapters from \"./adapters\"\nimport logger from \"./logger\"\n\nexport {\n Connection,\n ConnectionMonitor,\n Consumer,\n INTERNAL,\n Subscription,\n Subscriptions,\n SubscriptionGuarantor,\n adapters,\n createWebSocketURL,\n logger,\n}\n\nexport function createConsumer(url = getConfig(\"url\") || INTERNAL.default_mount_path) {\n return new Consumer(url)\n}\n\nexport function getConfig(name) {\n const element = document.head.querySelector(`meta[name='action-cable-${name}']`)\n if (element) {\n return element.getAttribute(\"content\")\n }\n}\n", "/*! https://mths.be/punycode v1.4.0 by @mathias */\n;(function(root) {\n\n\t/** Detect free variables */\n\tvar freeExports = typeof exports == 'object' && exports &&\n\t\t!exports.nodeType && exports;\n\tvar freeModule = typeof module == 'object' && module &&\n\t\t!module.nodeType && module;\n\tvar freeGlobal = typeof global == 'object' && global;\n\tif (\n\t\tfreeGlobal.global === freeGlobal ||\n\t\tfreeGlobal.window === freeGlobal ||\n\t\tfreeGlobal.self === freeGlobal\n\t) {\n\t\troot = freeGlobal;\n\t}\n\n\t/**\n\t * The `punycode` object.\n\t * @name punycode\n\t * @type Object\n\t */\n\tvar punycode,\n\n\t/** Highest positive signed 32-bit float value */\n\tmaxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1\n\n\t/** Bootstring parameters */\n\tbase = 36,\n\ttMin = 1,\n\ttMax = 26,\n\tskew = 38,\n\tdamp = 700,\n\tinitialBias = 72,\n\tinitialN = 128, // 0x80\n\tdelimiter = '-', // '\\x2D'\n\n\t/** Regular expressions */\n\tregexPunycode = /^xn--/,\n\tregexNonASCII = /[^\\x20-\\x7E]/, // unprintable ASCII chars + non-ASCII chars\n\tregexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g, // RFC 3490 separators\n\n\t/** Error messages */\n\terrors = {\n\t\t'overflow': 'Overflow: input needs wider integers to process',\n\t\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t\t'invalid-input': 'Invalid input'\n\t},\n\n\t/** Convenience shortcuts */\n\tbaseMinusTMin = base - tMin,\n\tfloor = Math.floor,\n\tstringFromCharCode = String.fromCharCode,\n\n\t/** Temporary variable */\n\tkey;\n\n\t/*--------------------------------------------------------------------------*/\n\n\t/**\n\t * A generic error utility function.\n\t * @private\n\t * @param {String} type The error type.\n\t * @returns {Error} Throws a `RangeError` with the applicable error message.\n\t */\n\tfunction error(type) {\n\t\tthrow new RangeError(errors[type]);\n\t}\n\n\t/**\n\t * A generic `Array#map` utility function.\n\t * @private\n\t * @param {Array} array The array to iterate over.\n\t * @param {Function} callback The function that gets called for every array\n\t * item.\n\t * @returns {Array} A new array of values returned by the callback function.\n\t */\n\tfunction map(array, fn) {\n\t\tvar length = array.length;\n\t\tvar result = [];\n\t\twhile (length--) {\n\t\t\tresult[length] = fn(array[length]);\n\t\t}\n\t\treturn result;\n\t}\n\n\t/**\n\t * A simple `Array#map`-like wrapper to work with domain name strings or email\n\t * addresses.\n\t * @private\n\t * @param {String} domain The domain name or email address.\n\t * @param {Function} callback The function that gets called for every\n\t * character.\n\t * @returns {Array} A new string of characters returned by the callback\n\t * function.\n\t */\n\tfunction mapDomain(string, fn) {\n\t\tvar parts = string.split('@');\n\t\tvar result = '';\n\t\tif (parts.length > 1) {\n\t\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t\t// the local part (i.e. everything up to `@`) intact.\n\t\t\tresult = parts[0] + '@';\n\t\t\tstring = parts[1];\n\t\t}\n\t\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\t\tstring = string.replace(regexSeparators, '\\x2E');\n\t\tvar labels = string.split('.');\n\t\tvar encoded = map(labels, fn).join('.');\n\t\treturn result + encoded;\n\t}\n\n\t/**\n\t * Creates an array containing the numeric code points of each Unicode\n\t * character in the string. While JavaScript uses UCS-2 internally,\n\t * this function will convert a pair of surrogate halves (each of which\n\t * UCS-2 exposes as separate characters) into a single code point,\n\t * matching UTF-16.\n\t * @see `punycode.ucs2.encode`\n\t * @see \n\t * @memberOf punycode.ucs2\n\t * @name decode\n\t * @param {String} string The Unicode input string (UCS-2).\n\t * @returns {Array} The new array of code points.\n\t */\n\tfunction ucs2decode(string) {\n\t\tvar output = [],\n\t\t counter = 0,\n\t\t length = string.length,\n\t\t value,\n\t\t extra;\n\t\twhile (counter < length) {\n\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t} else {\n\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\toutput.push(value);\n\t\t\t\t\tcounter--;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\toutput.push(value);\n\t\t\t}\n\t\t}\n\t\treturn output;\n\t}\n\n\t/**\n\t * Creates a string based on an array of numeric code points.\n\t * @see `punycode.ucs2.decode`\n\t * @memberOf punycode.ucs2\n\t * @name encode\n\t * @param {Array} codePoints The array of numeric code points.\n\t * @returns {String} The new Unicode string (UCS-2).\n\t */\n\tfunction ucs2encode(array) {\n\t\treturn map(array, function(value) {\n\t\t\tvar output = '';\n\t\t\tif (value > 0xFFFF) {\n\t\t\t\tvalue -= 0x10000;\n\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t}\n\t\t\toutput += stringFromCharCode(value);\n\t\t\treturn output;\n\t\t}).join('');\n\t}\n\n\t/**\n\t * Converts a basic code point into a digit/integer.\n\t * @see `digitToBasic()`\n\t * @private\n\t * @param {Number} codePoint The basic numeric code point value.\n\t * @returns {Number} The numeric value of a basic code point (for use in\n\t * representing integers) in the range `0` to `base - 1`, or `base` if\n\t * the code point does not represent a value.\n\t */\n\tfunction basicToDigit(codePoint) {\n\t\tif (codePoint - 48 < 10) {\n\t\t\treturn codePoint - 22;\n\t\t}\n\t\tif (codePoint - 65 < 26) {\n\t\t\treturn codePoint - 65;\n\t\t}\n\t\tif (codePoint - 97 < 26) {\n\t\t\treturn codePoint - 97;\n\t\t}\n\t\treturn base;\n\t}\n\n\t/**\n\t * Converts a digit/integer into a basic code point.\n\t * @see `basicToDigit()`\n\t * @private\n\t * @param {Number} digit The numeric value of a basic code point.\n\t * @returns {Number} The basic code point whose value (when used for\n\t * representing integers) is `digit`, which needs to be in the range\n\t * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n\t * used; else, the lowercase form is used. The behavior is undefined\n\t * if `flag` is non-zero and `digit` has no uppercase form.\n\t */\n\tfunction digitToBasic(digit, flag) {\n\t\t// 0..25 map to ASCII a..z or A..Z\n\t\t// 26..35 map to ASCII 0..9\n\t\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n\t}\n\n\t/**\n\t * Bias adaptation function as per section 3.4 of RFC 3492.\n\t * https://tools.ietf.org/html/rfc3492#section-3.4\n\t * @private\n\t */\n\tfunction adapt(delta, numPoints, firstTime) {\n\t\tvar k = 0;\n\t\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\t\tdelta += floor(delta / numPoints);\n\t\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\t\tdelta = floor(delta / baseMinusTMin);\n\t\t}\n\t\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n\t}\n\n\t/**\n\t * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n\t * symbols.\n\t * @memberOf punycode\n\t * @param {String} input The Punycode string of ASCII-only symbols.\n\t * @returns {String} The resulting string of Unicode symbols.\n\t */\n\tfunction decode(input) {\n\t\t// Don't use UCS-2\n\t\tvar output = [],\n\t\t inputLength = input.length,\n\t\t out,\n\t\t i = 0,\n\t\t n = initialN,\n\t\t bias = initialBias,\n\t\t basic,\n\t\t j,\n\t\t index,\n\t\t oldi,\n\t\t w,\n\t\t k,\n\t\t digit,\n\t\t t,\n\t\t /** Cached calculation results */\n\t\t baseMinusT;\n\n\t\t// Handle the basic code points: let `basic` be the number of input code\n\t\t// points before the last delimiter, or `0` if there is none, then copy\n\t\t// the first basic code points to the output.\n\n\t\tbasic = input.lastIndexOf(delimiter);\n\t\tif (basic < 0) {\n\t\t\tbasic = 0;\n\t\t}\n\n\t\tfor (j = 0; j < basic; ++j) {\n\t\t\t// if it's not a basic code point\n\t\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\t\terror('not-basic');\n\t\t\t}\n\t\t\toutput.push(input.charCodeAt(j));\n\t\t}\n\n\t\t// Main decoding loop: start just after the last delimiter if any basic code\n\t\t// points were copied; start at the beginning otherwise.\n\n\t\tfor (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t\t// `index` is the index of the next character to be consumed.\n\t\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t\t// which gets added to `i`. The overflow checking is easier\n\t\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t\t// value at the end to obtain `delta`.\n\t\t\tfor (oldi = i, w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\t\tif (index >= inputLength) {\n\t\t\t\t\terror('invalid-input');\n\t\t\t\t}\n\n\t\t\t\tdigit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\ti += digit * w;\n\t\t\t\tt = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\t\tif (digit < t) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tbaseMinusT = base - t;\n\t\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\tw *= baseMinusT;\n\n\t\t\t}\n\n\t\t\tout = output.length + 1;\n\t\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t\t// incrementing `n` each time, so we'll fix that now:\n\t\t\tif (floor(i / out) > maxInt - n) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tn += floor(i / out);\n\t\t\ti %= out;\n\n\t\t\t// Insert `n` at position `i` of the output\n\t\t\toutput.splice(i++, 0, n);\n\n\t\t}\n\n\t\treturn ucs2encode(output);\n\t}\n\n\t/**\n\t * Converts a string of Unicode symbols (e.g. a domain name label) to a\n\t * Punycode string of ASCII-only symbols.\n\t * @memberOf punycode\n\t * @param {String} input The string of Unicode symbols.\n\t * @returns {String} The resulting Punycode string of ASCII-only symbols.\n\t */\n\tfunction encode(input) {\n\t\tvar n,\n\t\t delta,\n\t\t handledCPCount,\n\t\t basicLength,\n\t\t bias,\n\t\t j,\n\t\t m,\n\t\t q,\n\t\t k,\n\t\t t,\n\t\t currentValue,\n\t\t output = [],\n\t\t /** `inputLength` will hold the number of code points in `input`. */\n\t\t inputLength,\n\t\t /** Cached calculation results */\n\t\t handledCPCountPlusOne,\n\t\t baseMinusT,\n\t\t qMinusT;\n\n\t\t// Convert the input in UCS-2 to Unicode\n\t\tinput = ucs2decode(input);\n\n\t\t// Cache the length\n\t\tinputLength = input.length;\n\n\t\t// Initialize the state\n\t\tn = initialN;\n\t\tdelta = 0;\n\t\tbias = initialBias;\n\n\t\t// Handle the basic code points\n\t\tfor (j = 0; j < inputLength; ++j) {\n\t\t\tcurrentValue = input[j];\n\t\t\tif (currentValue < 0x80) {\n\t\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t\t}\n\t\t}\n\n\t\thandledCPCount = basicLength = output.length;\n\n\t\t// `handledCPCount` is the number of code points that have been handled;\n\t\t// `basicLength` is the number of basic code points.\n\n\t\t// Finish the basic string - if it is not empty - with a delimiter\n\t\tif (basicLength) {\n\t\t\toutput.push(delimiter);\n\t\t}\n\n\t\t// Main encoding loop:\n\t\twhile (handledCPCount < inputLength) {\n\n\t\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t\t// larger one:\n\t\t\tfor (m = maxInt, j = 0; j < inputLength; ++j) {\n\t\t\t\tcurrentValue = input[j];\n\t\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\t\tm = currentValue;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Increase `delta` enough to advance the decoder's state to ,\n\t\t\t// but guard against overflow\n\t\t\thandledCPCountPlusOne = handledCPCount + 1;\n\t\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\t\tn = m;\n\n\t\t\tfor (j = 0; j < inputLength; ++j) {\n\t\t\t\tcurrentValue = input[j];\n\n\t\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\tif (currentValue == n) {\n\t\t\t\t\t// Represent delta as a generalized variable-length integer\n\t\t\t\t\tfor (q = delta, k = base; /* no condition */; k += base) {\n\t\t\t\t\t\tt = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tqMinusT = q - t;\n\t\t\t\t\t\tbaseMinusT = base - t;\n\t\t\t\t\t\toutput.push(\n\t\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t\t);\n\t\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t\t}\n\n\t\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\t\tdelta = 0;\n\t\t\t\t\t++handledCPCount;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t++delta;\n\t\t\t++n;\n\n\t\t}\n\t\treturn output.join('');\n\t}\n\n\t/**\n\t * Converts a Punycode string representing a domain name or an email address\n\t * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n\t * it doesn't matter if you call it on a string that has already been\n\t * converted to Unicode.\n\t * @memberOf punycode\n\t * @param {String} input The Punycoded domain name or email address to\n\t * convert to Unicode.\n\t * @returns {String} The Unicode representation of the given Punycode\n\t * string.\n\t */\n\tfunction toUnicode(input) {\n\t\treturn mapDomain(input, function(string) {\n\t\t\treturn regexPunycode.test(string)\n\t\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t\t: string;\n\t\t});\n\t}\n\n\t/**\n\t * Converts a Unicode string representing a domain name or an email address to\n\t * Punycode. Only the non-ASCII parts of the domain name will be converted,\n\t * i.e. it doesn't matter if you call it with a domain that's already in\n\t * ASCII.\n\t * @memberOf punycode\n\t * @param {String} input The domain name or email address to convert, as a\n\t * Unicode string.\n\t * @returns {String} The Punycode representation of the given domain name or\n\t * email address.\n\t */\n\tfunction toASCII(input) {\n\t\treturn mapDomain(input, function(string) {\n\t\t\treturn regexNonASCII.test(string)\n\t\t\t\t? 'xn--' + encode(string)\n\t\t\t\t: string;\n\t\t});\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\t/** Define the public API */\n\tpunycode = {\n\t\t/**\n\t\t * A string representing the current Punycode.js version number.\n\t\t * @memberOf punycode\n\t\t * @type String\n\t\t */\n\t\t'version': '1.3.2',\n\t\t/**\n\t\t * An object of methods to convert from JavaScript's internal character\n\t\t * representation (UCS-2) to Unicode code points, and back.\n\t\t * @see \n\t\t * @memberOf punycode\n\t\t * @type Object\n\t\t */\n\t\t'ucs2': {\n\t\t\t'decode': ucs2decode,\n\t\t\t'encode': ucs2encode\n\t\t},\n\t\t'decode': decode,\n\t\t'encode': encode,\n\t\t'toASCII': toASCII,\n\t\t'toUnicode': toUnicode\n\t};\n\n\t/** Expose `punycode` */\n\t// Some AMD build optimizers, like r.js, check for specific condition patterns\n\t// like the following:\n\tif (\n\t\ttypeof define == 'function' &&\n\t\ttypeof define.amd == 'object' &&\n\t\tdefine.amd\n\t) {\n\t\tdefine('punycode', function() {\n\t\t\treturn punycode;\n\t\t});\n\t} else if (freeExports && freeModule) {\n\t\tif (module.exports == freeExports) {\n\t\t\t// in Node.js, io.js, or RingoJS v0.8.0+\n\t\t\tfreeModule.exports = punycode;\n\t\t} else {\n\t\t\t// in Narwhal or RingoJS v0.7.0-\n\t\t\tfor (key in punycode) {\n\t\t\t\tpunycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);\n\t\t\t}\n\t\t}\n\t} else {\n\t\t// in Rhino or a web browser\n\t\troot.punycode = punycode;\n\t}\n\n}(this));\n", "/*!\n * URI.js - Mutating URLs\n * IPv6 Support\n *\n * Version: 1.19.11\n *\n * Author: Rodney Rehm\n * Web: http://medialize.github.io/URI.js/\n *\n * Licensed under\n * MIT License http://www.opensource.org/licenses/mit-license\n *\n */\n\n(function (root, factory) {\n 'use strict';\n // https://github.com/umdjs/umd/blob/master/returnExports.js\n if (typeof module === 'object' && module.exports) {\n // Node\n module.exports = factory();\n } else if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory);\n } else {\n // Browser globals (root is window)\n root.IPv6 = factory(root);\n }\n}(this, function (root) {\n 'use strict';\n\n /*\n var _in = \"fe80:0000:0000:0000:0204:61ff:fe9d:f156\";\n var _out = IPv6.best(_in);\n var _expected = \"fe80::204:61ff:fe9d:f156\";\n\n console.log(_in, _out, _expected, _out === _expected);\n */\n\n // save current IPv6 variable, if any\n var _IPv6 = root && root.IPv6;\n\n function bestPresentation(address) {\n // based on:\n // Javascript to test an IPv6 address for proper format, and to\n // present the \"best text representation\" according to IETF Draft RFC at\n // http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-04\n // 8 Feb 2010 Rich Brown, Dartware, LLC\n // Please feel free to use this code as long as you provide a link to\n // http://www.intermapper.com\n // http://intermapper.com/support/tools/IPV6-Validator.aspx\n // http://download.dartware.com/thirdparty/ipv6validator.js\n\n var _address = address.toLowerCase();\n var segments = _address.split(':');\n var length = segments.length;\n var total = 8;\n\n // trim colons (:: or ::a:b:c\u2026 or \u2026a:b:c::)\n if (segments[0] === '' && segments[1] === '' && segments[2] === '') {\n // must have been ::\n // remove first two items\n segments.shift();\n segments.shift();\n } else if (segments[0] === '' && segments[1] === '') {\n // must have been ::xxxx\n // remove the first item\n segments.shift();\n } else if (segments[length - 1] === '' && segments[length - 2] === '') {\n // must have been xxxx::\n segments.pop();\n }\n\n length = segments.length;\n\n // adjust total segments for IPv4 trailer\n if (segments[length - 1].indexOf('.') !== -1) {\n // found a \".\" which means IPv4\n total = 7;\n }\n\n // fill empty segments them with \"0000\"\n var pos;\n for (pos = 0; pos < length; pos++) {\n if (segments[pos] === '') {\n break;\n }\n }\n\n if (pos < total) {\n segments.splice(pos, 1, '0000');\n while (segments.length < total) {\n segments.splice(pos, 0, '0000');\n }\n }\n\n // strip leading zeros\n var _segments;\n for (var i = 0; i < total; i++) {\n _segments = segments[i].split('');\n for (var j = 0; j < 3 ; j++) {\n if (_segments[0] === '0' && _segments.length > 1) {\n _segments.splice(0,1);\n } else {\n break;\n }\n }\n\n segments[i] = _segments.join('');\n }\n\n // find longest sequence of zeroes and coalesce them into one segment\n var best = -1;\n var _best = 0;\n var _current = 0;\n var current = -1;\n var inzeroes = false;\n // i; already declared\n\n for (i = 0; i < total; i++) {\n if (inzeroes) {\n if (segments[i] === '0') {\n _current += 1;\n } else {\n inzeroes = false;\n if (_current > _best) {\n best = current;\n _best = _current;\n }\n }\n } else {\n if (segments[i] === '0') {\n inzeroes = true;\n current = i;\n _current = 1;\n }\n }\n }\n\n if (_current > _best) {\n best = current;\n _best = _current;\n }\n\n if (_best > 1) {\n segments.splice(best, _best, '');\n }\n\n length = segments.length;\n\n // assemble remaining segments\n var result = '';\n if (segments[0] === '') {\n result = ':';\n }\n\n for (i = 0; i < length; i++) {\n result += segments[i];\n if (i === length - 1) {\n break;\n }\n\n result += ':';\n }\n\n if (segments[length - 1] === '') {\n result += ':';\n }\n\n return result;\n }\n\n function noConflict() {\n /*jshint validthis: true */\n if (root.IPv6 === this) {\n root.IPv6 = _IPv6;\n }\n\n return this;\n }\n\n return {\n best: bestPresentation,\n noConflict: noConflict\n };\n}));\n", "/*!\n * URI.js - Mutating URLs\n * Second Level Domain (SLD) Support\n *\n * Version: 1.19.11\n *\n * Author: Rodney Rehm\n * Web: http://medialize.github.io/URI.js/\n *\n * Licensed under\n * MIT License http://www.opensource.org/licenses/mit-license\n *\n */\n\n(function (root, factory) {\n 'use strict';\n // https://github.com/umdjs/umd/blob/master/returnExports.js\n if (typeof module === 'object' && module.exports) {\n // Node\n module.exports = factory();\n } else if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory);\n } else {\n // Browser globals (root is window)\n root.SecondLevelDomains = factory(root);\n }\n}(this, function (root) {\n 'use strict';\n\n // save current SecondLevelDomains variable, if any\n var _SecondLevelDomains = root && root.SecondLevelDomains;\n\n var SLD = {\n // list of known Second Level Domains\n // converted list of SLDs from https://github.com/gavingmiller/second-level-domains\n // ----\n // publicsuffix.org is more current and actually used by a couple of browsers internally.\n // downside is it also contains domains like \"dyndns.org\" - which is fine for the security\n // issues browser have to deal with (SOP for cookies, etc) - but is way overboard for URI.js\n // ----\n list: {\n 'ac':' com gov mil net org ',\n 'ae':' ac co gov mil name net org pro sch ',\n 'af':' com edu gov net org ',\n 'al':' com edu gov mil net org ',\n 'ao':' co ed gv it og pb ',\n 'ar':' com edu gob gov int mil net org tur ',\n 'at':' ac co gv or ',\n 'au':' asn com csiro edu gov id net org ',\n 'ba':' co com edu gov mil net org rs unbi unmo unsa untz unze ',\n 'bb':' biz co com edu gov info net org store tv ',\n 'bh':' biz cc com edu gov info net org ',\n 'bn':' com edu gov net org ',\n 'bo':' com edu gob gov int mil net org tv ',\n 'br':' adm adv agr am arq art ato b bio blog bmd cim cng cnt com coop ecn edu eng esp etc eti far flog fm fnd fot fst g12 ggf gov imb ind inf jor jus lel mat med mil mus net nom not ntr odo org ppg pro psc psi qsl rec slg srv tmp trd tur tv vet vlog wiki zlg ',\n 'bs':' com edu gov net org ',\n 'bz':' du et om ov rg ',\n 'ca':' ab bc mb nb nf nl ns nt nu on pe qc sk yk ',\n 'ck':' biz co edu gen gov info net org ',\n 'cn':' ac ah bj com cq edu fj gd gov gs gx gz ha hb he hi hl hn jl js jx ln mil net nm nx org qh sc sd sh sn sx tj tw xj xz yn zj ',\n 'co':' com edu gov mil net nom org ',\n 'cr':' ac c co ed fi go or sa ',\n 'cy':' ac biz com ekloges gov ltd name net org parliament press pro tm ',\n 'do':' art com edu gob gov mil net org sld web ',\n 'dz':' art asso com edu gov net org pol ',\n 'ec':' com edu fin gov info med mil net org pro ',\n 'eg':' com edu eun gov mil name net org sci ',\n 'er':' com edu gov ind mil net org rochest w ',\n 'es':' com edu gob nom org ',\n 'et':' biz com edu gov info name net org ',\n 'fj':' ac biz com info mil name net org pro ',\n 'fk':' ac co gov net nom org ',\n 'fr':' asso com f gouv nom prd presse tm ',\n 'gg':' co net org ',\n 'gh':' com edu gov mil org ',\n 'gn':' ac com gov net org ',\n 'gr':' com edu gov mil net org ',\n 'gt':' com edu gob ind mil net org ',\n 'gu':' com edu gov net org ',\n 'hk':' com edu gov idv net org ',\n 'hu':' 2000 agrar bolt casino city co erotica erotika film forum games hotel info ingatlan jogasz konyvelo lakas media news org priv reklam sex shop sport suli szex tm tozsde utazas video ',\n 'id':' ac co go mil net or sch web ',\n 'il':' ac co gov idf k12 muni net org ',\n 'in':' ac co edu ernet firm gen gov i ind mil net nic org res ',\n 'iq':' com edu gov i mil net org ',\n 'ir':' ac co dnssec gov i id net org sch ',\n 'it':' edu gov ',\n 'je':' co net org ',\n 'jo':' com edu gov mil name net org sch ',\n 'jp':' ac ad co ed go gr lg ne or ',\n 'ke':' ac co go info me mobi ne or sc ',\n 'kh':' com edu gov mil net org per ',\n 'ki':' biz com de edu gov info mob net org tel ',\n 'km':' asso com coop edu gouv k medecin mil nom notaires pharmaciens presse tm veterinaire ',\n 'kn':' edu gov net org ',\n 'kr':' ac busan chungbuk chungnam co daegu daejeon es gangwon go gwangju gyeongbuk gyeonggi gyeongnam hs incheon jeju jeonbuk jeonnam k kg mil ms ne or pe re sc seoul ulsan ',\n 'kw':' com edu gov net org ',\n 'ky':' com edu gov net org ',\n 'kz':' com edu gov mil net org ',\n 'lb':' com edu gov net org ',\n 'lk':' assn com edu gov grp hotel int ltd net ngo org sch soc web ',\n 'lr':' com edu gov net org ',\n 'lv':' asn com conf edu gov id mil net org ',\n 'ly':' com edu gov id med net org plc sch ',\n 'ma':' ac co gov m net org press ',\n 'mc':' asso tm ',\n 'me':' ac co edu gov its net org priv ',\n 'mg':' com edu gov mil nom org prd tm ',\n 'mk':' com edu gov inf name net org pro ',\n 'ml':' com edu gov net org presse ',\n 'mn':' edu gov org ',\n 'mo':' com edu gov net org ',\n 'mt':' com edu gov net org ',\n 'mv':' aero biz com coop edu gov info int mil museum name net org pro ',\n 'mw':' ac co com coop edu gov int museum net org ',\n 'mx':' com edu gob net org ',\n 'my':' com edu gov mil name net org sch ',\n 'nf':' arts com firm info net other per rec store web ',\n 'ng':' biz com edu gov mil mobi name net org sch ',\n 'ni':' ac co com edu gob mil net nom org ',\n 'np':' com edu gov mil net org ',\n 'nr':' biz com edu gov info net org ',\n 'om':' ac biz co com edu gov med mil museum net org pro sch ',\n 'pe':' com edu gob mil net nom org sld ',\n 'ph':' com edu gov i mil net ngo org ',\n 'pk':' biz com edu fam gob gok gon gop gos gov net org web ',\n 'pl':' art bialystok biz com edu gda gdansk gorzow gov info katowice krakow lodz lublin mil net ngo olsztyn org poznan pwr radom slupsk szczecin torun warszawa waw wroc wroclaw zgora ',\n 'pr':' ac biz com edu est gov info isla name net org pro prof ',\n 'ps':' com edu gov net org plo sec ',\n 'pw':' belau co ed go ne or ',\n 'ro':' arts com firm info nom nt org rec store tm www ',\n 'rs':' ac co edu gov in org ',\n 'sb':' com edu gov net org ',\n 'sc':' com edu gov net org ',\n 'sh':' co com edu gov net nom org ',\n 'sl':' com edu gov net org ',\n 'st':' co com consulado edu embaixada gov mil net org principe saotome store ',\n 'sv':' com edu gob org red ',\n 'sz':' ac co org ',\n 'tr':' av bbs bel biz com dr edu gen gov info k12 name net org pol tel tsk tv web ',\n 'tt':' aero biz cat co com coop edu gov info int jobs mil mobi museum name net org pro tel travel ',\n 'tw':' club com ebiz edu game gov idv mil net org ',\n 'mu':' ac co com gov net or org ',\n 'mz':' ac co edu gov org ',\n 'na':' co com ',\n 'nz':' ac co cri geek gen govt health iwi maori mil net org parliament school ',\n 'pa':' abo ac com edu gob ing med net nom org sld ',\n 'pt':' com edu gov int net nome org publ ',\n 'py':' com edu gov mil net org ',\n 'qa':' com edu gov mil net org ',\n 're':' asso com nom ',\n 'ru':' ac adygeya altai amur arkhangelsk astrakhan bashkiria belgorod bir bryansk buryatia cbg chel chelyabinsk chita chukotka chuvashia com dagestan e-burg edu gov grozny int irkutsk ivanovo izhevsk jar joshkar-ola kalmykia kaluga kamchatka karelia kazan kchr kemerovo khabarovsk khakassia khv kirov koenig komi kostroma kranoyarsk kuban kurgan kursk lipetsk magadan mari mari-el marine mil mordovia mosreg msk murmansk nalchik net nnov nov novosibirsk nsk omsk orenburg org oryol penza perm pp pskov ptz rnd ryazan sakhalin samara saratov simbirsk smolensk spb stavropol stv surgut tambov tatarstan tom tomsk tsaritsyn tsk tula tuva tver tyumen udm udmurtia ulan-ude vladikavkaz vladimir vladivostok volgograd vologda voronezh vrn vyatka yakutia yamal yekaterinburg yuzhno-sakhalinsk ',\n 'rw':' ac co com edu gouv gov int mil net ',\n 'sa':' com edu gov med net org pub sch ',\n 'sd':' com edu gov info med net org tv ',\n 'se':' a ac b bd c d e f g h i k l m n o org p parti pp press r s t tm u w x y z ',\n 'sg':' com edu gov idn net org per ',\n 'sn':' art com edu gouv org perso univ ',\n 'sy':' com edu gov mil net news org ',\n 'th':' ac co go in mi net or ',\n 'tj':' ac biz co com edu go gov info int mil name net nic org test web ',\n 'tn':' agrinet com defense edunet ens fin gov ind info intl mincom nat net org perso rnrt rns rnu tourism ',\n 'tz':' ac co go ne or ',\n 'ua':' biz cherkassy chernigov chernovtsy ck cn co com crimea cv dn dnepropetrovsk donetsk dp edu gov if in ivano-frankivsk kh kharkov kherson khmelnitskiy kiev kirovograd km kr ks kv lg lugansk lutsk lviv me mk net nikolaev od odessa org pl poltava pp rovno rv sebastopol sumy te ternopil uzhgorod vinnica vn zaporizhzhe zhitomir zp zt ',\n 'ug':' ac co go ne or org sc ',\n 'uk':' ac bl british-library co cym gov govt icnet jet lea ltd me mil mod national-library-scotland nel net nhs nic nls org orgn parliament plc police sch scot soc ',\n 'us':' dni fed isa kids nsn ',\n 'uy':' com edu gub mil net org ',\n 've':' co com edu gob info mil net org web ',\n 'vi':' co com k12 net org ',\n 'vn':' ac biz com edu gov health info int name net org pro ',\n 'ye':' co com gov ltd me net org plc ',\n 'yu':' ac co edu gov org ',\n 'za':' ac agric alt bourse city co cybernet db edu gov grondar iaccess imt inca landesign law mil net ngo nis nom olivetti org pix school tm web ',\n 'zm':' ac co com edu gov net org sch ',\n // https://en.wikipedia.org/wiki/CentralNic#Second-level_domains\n 'com': 'ar br cn de eu gb gr hu jpn kr no qc ru sa se uk us uy za ',\n 'net': 'gb jp se uk ',\n 'org': 'ae',\n 'de': 'com '\n },\n // gorhill 2013-10-25: Using indexOf() instead Regexp(). Significant boost\n // in both performance and memory footprint. No initialization required.\n // http://jsperf.com/uri-js-sld-regex-vs-binary-search/4\n // Following methods use lastIndexOf() rather than array.split() in order\n // to avoid any memory allocations.\n has: function(domain) {\n var tldOffset = domain.lastIndexOf('.');\n if (tldOffset <= 0 || tldOffset >= (domain.length-1)) {\n return false;\n }\n var sldOffset = domain.lastIndexOf('.', tldOffset-1);\n if (sldOffset <= 0 || sldOffset >= (tldOffset-1)) {\n return false;\n }\n var sldList = SLD.list[domain.slice(tldOffset+1)];\n if (!sldList) {\n return false;\n }\n return sldList.indexOf(' ' + domain.slice(sldOffset+1, tldOffset) + ' ') >= 0;\n },\n is: function(domain) {\n var tldOffset = domain.lastIndexOf('.');\n if (tldOffset <= 0 || tldOffset >= (domain.length-1)) {\n return false;\n }\n var sldOffset = domain.lastIndexOf('.', tldOffset-1);\n if (sldOffset >= 0) {\n return false;\n }\n var sldList = SLD.list[domain.slice(tldOffset+1)];\n if (!sldList) {\n return false;\n }\n return sldList.indexOf(' ' + domain.slice(0, tldOffset) + ' ') >= 0;\n },\n get: function(domain) {\n var tldOffset = domain.lastIndexOf('.');\n if (tldOffset <= 0 || tldOffset >= (domain.length-1)) {\n return null;\n }\n var sldOffset = domain.lastIndexOf('.', tldOffset-1);\n if (sldOffset <= 0 || sldOffset >= (tldOffset-1)) {\n return null;\n }\n var sldList = SLD.list[domain.slice(tldOffset+1)];\n if (!sldList) {\n return null;\n }\n if (sldList.indexOf(' ' + domain.slice(sldOffset+1, tldOffset) + ' ') < 0) {\n return null;\n }\n return domain.slice(sldOffset+1);\n },\n noConflict: function(){\n if (root.SecondLevelDomains === this) {\n root.SecondLevelDomains = _SecondLevelDomains;\n }\n return this;\n }\n };\n\n return SLD;\n}));\n", "/*!\n * URI.js - Mutating URLs\n *\n * Version: 1.19.11\n *\n * Author: Rodney Rehm\n * Web: http://medialize.github.io/URI.js/\n *\n * Licensed under\n * MIT License http://www.opensource.org/licenses/mit-license\n *\n */\n(function (root, factory) {\n 'use strict';\n // https://github.com/umdjs/umd/blob/master/returnExports.js\n if (typeof module === 'object' && module.exports) {\n // Node\n module.exports = factory(require('./punycode'), require('./IPv6'), require('./SecondLevelDomains'));\n } else if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(['./punycode', './IPv6', './SecondLevelDomains'], factory);\n } else {\n // Browser globals (root is window)\n root.URI = factory(root.punycode, root.IPv6, root.SecondLevelDomains, root);\n }\n}(this, function (punycode, IPv6, SLD, root) {\n 'use strict';\n /*global location, escape, unescape */\n // FIXME: v2.0.0 renamce non-camelCase properties to uppercase\n /*jshint camelcase: false */\n\n // save current URI variable, if any\n var _URI = root && root.URI;\n\n function URI(url, base) {\n var _urlSupplied = arguments.length >= 1;\n var _baseSupplied = arguments.length >= 2;\n\n // Allow instantiation without the 'new' keyword\n if (!(this instanceof URI)) {\n if (_urlSupplied) {\n if (_baseSupplied) {\n return new URI(url, base);\n }\n\n return new URI(url);\n }\n\n return new URI();\n }\n\n if (url === undefined) {\n if (_urlSupplied) {\n throw new TypeError('undefined is not a valid argument for URI');\n }\n\n if (typeof location !== 'undefined') {\n url = location.href + '';\n } else {\n url = '';\n }\n }\n\n if (url === null) {\n if (_urlSupplied) {\n throw new TypeError('null is not a valid argument for URI');\n }\n }\n\n this.href(url);\n\n // resolve to base according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#constructor\n if (base !== undefined) {\n return this.absoluteTo(base);\n }\n\n return this;\n }\n\n function isInteger(value) {\n return /^[0-9]+$/.test(value);\n }\n\n URI.version = '1.19.11';\n\n var p = URI.prototype;\n var hasOwn = Object.prototype.hasOwnProperty;\n\n function escapeRegEx(string) {\n // https://github.com/medialize/URI.js/commit/85ac21783c11f8ccab06106dba9735a31a86924d#commitcomment-821963\n return string.replace(/([.*+?^=!:${}()|[\\]\\/\\\\])/g, '\\\\$1');\n }\n\n function getType(value) {\n // IE8 doesn't return [Object Undefined] but [Object Object] for undefined value\n if (value === undefined) {\n return 'Undefined';\n }\n\n return String(Object.prototype.toString.call(value)).slice(8, -1);\n }\n\n function isArray(obj) {\n return getType(obj) === 'Array';\n }\n\n function filterArrayValues(data, value) {\n var lookup = {};\n var i, length;\n\n if (getType(value) === 'RegExp') {\n lookup = null;\n } else if (isArray(value)) {\n for (i = 0, length = value.length; i < length; i++) {\n lookup[value[i]] = true;\n }\n } else {\n lookup[value] = true;\n }\n\n for (i = 0, length = data.length; i < length; i++) {\n /*jshint laxbreak: true */\n var _match = lookup && lookup[data[i]] !== undefined\n || !lookup && value.test(data[i]);\n /*jshint laxbreak: false */\n if (_match) {\n data.splice(i, 1);\n length--;\n i--;\n }\n }\n\n return data;\n }\n\n function arrayContains(list, value) {\n var i, length;\n\n // value may be string, number, array, regexp\n if (isArray(value)) {\n // Note: this can be optimized to O(n) (instead of current O(m * n))\n for (i = 0, length = value.length; i < length; i++) {\n if (!arrayContains(list, value[i])) {\n return false;\n }\n }\n\n return true;\n }\n\n var _type = getType(value);\n for (i = 0, length = list.length; i < length; i++) {\n if (_type === 'RegExp') {\n if (typeof list[i] === 'string' && list[i].match(value)) {\n return true;\n }\n } else if (list[i] === value) {\n return true;\n }\n }\n\n return false;\n }\n\n function arraysEqual(one, two) {\n if (!isArray(one) || !isArray(two)) {\n return false;\n }\n\n // arrays can't be equal if they have different amount of content\n if (one.length !== two.length) {\n return false;\n }\n\n one.sort();\n two.sort();\n\n for (var i = 0, l = one.length; i < l; i++) {\n if (one[i] !== two[i]) {\n return false;\n }\n }\n\n return true;\n }\n\n function trimSlashes(text) {\n var trim_expression = /^\\/+|\\/+$/g;\n return text.replace(trim_expression, '');\n }\n\n URI._parts = function() {\n return {\n protocol: null,\n username: null,\n password: null,\n hostname: null,\n urn: null,\n port: null,\n path: null,\n query: null,\n fragment: null,\n // state\n preventInvalidHostname: URI.preventInvalidHostname,\n duplicateQueryParameters: URI.duplicateQueryParameters,\n escapeQuerySpace: URI.escapeQuerySpace\n };\n };\n // state: throw on invalid hostname\n // see https://github.com/medialize/URI.js/pull/345\n // and https://github.com/medialize/URI.js/issues/354\n URI.preventInvalidHostname = false;\n // state: allow duplicate query parameters (a=1&a=1)\n URI.duplicateQueryParameters = false;\n // state: replaces + with %20 (space in query strings)\n URI.escapeQuerySpace = true;\n // static properties\n URI.protocol_expression = /^[a-z][a-z0-9.+-]*$/i;\n URI.idn_expression = /[^a-z0-9\\._-]/i;\n URI.punycode_expression = /(xn--)/i;\n // well, 333.444.555.666 matches, but it sure ain't no IPv4 - do we care?\n URI.ip4_expression = /^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$/;\n // credits to Rich Brown\n // source: http://forums.intermapper.com/viewtopic.php?p=1096#1096\n // specification: http://www.ietf.org/rfc/rfc4291.txt\n URI.ip6_expression = /^\\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:)))(%.+)?\\s*$/;\n // expression used is \"gruber revised\" (@gruber v2) determined to be the\n // best solution in a regex-golf we did a couple of ages ago at\n // * http://mathiasbynens.be/demo/url-regex\n // * http://rodneyrehm.de/t/url-regex.html\n URI.find_uri_expression = /\\b((?:[a-z][\\w-]+:(?:\\/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}\\/)(?:[^\\s()<>]+|\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\))+(?:\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:'\".,<>?\u00AB\u00BB\u201C\u201D\u2018\u2019]))/ig;\n URI.findUri = {\n // valid \"scheme://\" or \"www.\"\n start: /\\b(?:([a-z][a-z0-9.+-]*:\\/\\/)|www\\.)/gi,\n // everything up to the next whitespace\n end: /[\\s\\r\\n]|$/,\n // trim trailing punctuation captured by end RegExp\n trim: /[`!()\\[\\]{};:'\".,<>?\u00AB\u00BB\u201C\u201D\u201E\u2018\u2019]+$/,\n // balanced parens inclusion (), [], {}, <>\n parens: /(\\([^\\)]*\\)|\\[[^\\]]*\\]|\\{[^}]*\\}|<[^>]*>)/g,\n };\n URI.leading_whitespace_expression = /^[\\x00-\\x20\\u00a0\\u1680\\u2000-\\u200a\\u2028\\u2029\\u202f\\u205f\\u3000\\ufeff]+/\n // https://infra.spec.whatwg.org/#ascii-tab-or-newline\n URI.ascii_tab_whitespace = /[\\u0009\\u000A\\u000D]+/g\n // http://www.iana.org/assignments/uri-schemes.html\n // http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers#Well-known_ports\n URI.defaultPorts = {\n http: '80',\n https: '443',\n ftp: '21',\n gopher: '70',\n ws: '80',\n wss: '443'\n };\n // list of protocols which always require a hostname\n URI.hostProtocols = [\n 'http',\n 'https'\n ];\n\n // allowed hostname characters according to RFC 3986\n // ALPHA DIGIT \"-\" \".\" \"_\" \"~\" \"!\" \"$\" \"&\" \"'\" \"(\" \")\" \"*\" \"+\" \",\" \";\" \"=\" %encoded\n // I've never seen a (non-IDN) hostname other than: ALPHA DIGIT . - _\n URI.invalid_hostname_characters = /[^a-zA-Z0-9\\.\\-:_]/;\n // map DOM Elements to their URI attribute\n URI.domAttributes = {\n 'a': 'href',\n 'blockquote': 'cite',\n 'link': 'href',\n 'base': 'href',\n 'script': 'src',\n 'form': 'action',\n 'img': 'src',\n 'area': 'href',\n 'iframe': 'src',\n 'embed': 'src',\n 'source': 'src',\n 'track': 'src',\n 'input': 'src', // but only if type=\"image\"\n 'audio': 'src',\n 'video': 'src'\n };\n URI.getDomAttribute = function(node) {\n if (!node || !node.nodeName) {\n return undefined;\n }\n\n var nodeName = node.nodeName.toLowerCase();\n // should only expose src for type=\"image\"\n if (nodeName === 'input' && node.type !== 'image') {\n return undefined;\n }\n\n return URI.domAttributes[nodeName];\n };\n\n function escapeForDumbFirefox36(value) {\n // https://github.com/medialize/URI.js/issues/91\n return escape(value);\n }\n\n // encoding / decoding according to RFC3986\n function strictEncodeURIComponent(string) {\n // see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURIComponent\n return encodeURIComponent(string)\n .replace(/[!'()*]/g, escapeForDumbFirefox36)\n .replace(/\\*/g, '%2A');\n }\n URI.encode = strictEncodeURIComponent;\n URI.decode = decodeURIComponent;\n URI.iso8859 = function() {\n URI.encode = escape;\n URI.decode = unescape;\n };\n URI.unicode = function() {\n URI.encode = strictEncodeURIComponent;\n URI.decode = decodeURIComponent;\n };\n URI.characters = {\n pathname: {\n encode: {\n // RFC3986 2.1: For consistency, URI producers and normalizers should\n // use uppercase hexadecimal digits for all percent-encodings.\n expression: /%(24|26|2B|2C|3B|3D|3A|40)/ig,\n map: {\n // -._~!'()*\n '%24': '$',\n '%26': '&',\n '%2B': '+',\n '%2C': ',',\n '%3B': ';',\n '%3D': '=',\n '%3A': ':',\n '%40': '@'\n }\n },\n decode: {\n expression: /[\\/\\?#]/g,\n map: {\n '/': '%2F',\n '?': '%3F',\n '#': '%23'\n }\n }\n },\n reserved: {\n encode: {\n // RFC3986 2.1: For consistency, URI producers and normalizers should\n // use uppercase hexadecimal digits for all percent-encodings.\n expression: /%(21|23|24|26|27|28|29|2A|2B|2C|2F|3A|3B|3D|3F|40|5B|5D)/ig,\n map: {\n // gen-delims\n '%3A': ':',\n '%2F': '/',\n '%3F': '?',\n '%23': '#',\n '%5B': '[',\n '%5D': ']',\n '%40': '@',\n // sub-delims\n '%21': '!',\n '%24': '$',\n '%26': '&',\n '%27': '\\'',\n '%28': '(',\n '%29': ')',\n '%2A': '*',\n '%2B': '+',\n '%2C': ',',\n '%3B': ';',\n '%3D': '='\n }\n }\n },\n urnpath: {\n // The characters under `encode` are the characters called out by RFC 2141 as being acceptable\n // for usage in a URN. RFC2141 also calls out \"-\", \".\", and \"_\" as acceptable characters, but\n // these aren't encoded by encodeURIComponent, so we don't have to call them out here. Also\n // note that the colon character is not featured in the encoding map; this is because URI.js\n // gives the colons in URNs semantic meaning as the delimiters of path segements, and so it\n // should not appear unencoded in a segment itself.\n // See also the note above about RFC3986 and capitalalized hex digits.\n encode: {\n expression: /%(21|24|27|28|29|2A|2B|2C|3B|3D|40)/ig,\n map: {\n '%21': '!',\n '%24': '$',\n '%27': '\\'',\n '%28': '(',\n '%29': ')',\n '%2A': '*',\n '%2B': '+',\n '%2C': ',',\n '%3B': ';',\n '%3D': '=',\n '%40': '@'\n }\n },\n // These characters are the characters called out by RFC2141 as \"reserved\" characters that\n // should never appear in a URN, plus the colon character (see note above).\n decode: {\n expression: /[\\/\\?#:]/g,\n map: {\n '/': '%2F',\n '?': '%3F',\n '#': '%23',\n ':': '%3A'\n }\n }\n }\n };\n URI.encodeQuery = function(string, escapeQuerySpace) {\n var escaped = URI.encode(string + '');\n if (escapeQuerySpace === undefined) {\n escapeQuerySpace = URI.escapeQuerySpace;\n }\n\n return escapeQuerySpace ? escaped.replace(/%20/g, '+') : escaped;\n };\n URI.decodeQuery = function(string, escapeQuerySpace) {\n string += '';\n if (escapeQuerySpace === undefined) {\n escapeQuerySpace = URI.escapeQuerySpace;\n }\n\n try {\n return URI.decode(escapeQuerySpace ? string.replace(/\\+/g, '%20') : string);\n } catch(e) {\n // we're not going to mess with weird encodings,\n // give up and return the undecoded original string\n // see https://github.com/medialize/URI.js/issues/87\n // see https://github.com/medialize/URI.js/issues/92\n return string;\n }\n };\n // generate encode/decode path functions\n var _parts = {'encode':'encode', 'decode':'decode'};\n var _part;\n var generateAccessor = function(_group, _part) {\n return function(string) {\n try {\n return URI[_part](string + '').replace(URI.characters[_group][_part].expression, function(c) {\n return URI.characters[_group][_part].map[c];\n });\n } catch (e) {\n // we're not going to mess with weird encodings,\n // give up and return the undecoded original string\n // see https://github.com/medialize/URI.js/issues/87\n // see https://github.com/medialize/URI.js/issues/92\n return string;\n }\n };\n };\n\n for (_part in _parts) {\n URI[_part + 'PathSegment'] = generateAccessor('pathname', _parts[_part]);\n URI[_part + 'UrnPathSegment'] = generateAccessor('urnpath', _parts[_part]);\n }\n\n var generateSegmentedPathFunction = function(_sep, _codingFuncName, _innerCodingFuncName) {\n return function(string) {\n // Why pass in names of functions, rather than the function objects themselves? The\n // definitions of some functions (but in particular, URI.decode) will occasionally change due\n // to URI.js having ISO8859 and Unicode modes. Passing in the name and getting it will ensure\n // that the functions we use here are \"fresh\".\n var actualCodingFunc;\n if (!_innerCodingFuncName) {\n actualCodingFunc = URI[_codingFuncName];\n } else {\n actualCodingFunc = function(string) {\n return URI[_codingFuncName](URI[_innerCodingFuncName](string));\n };\n }\n\n var segments = (string + '').split(_sep);\n\n for (var i = 0, length = segments.length; i < length; i++) {\n segments[i] = actualCodingFunc(segments[i]);\n }\n\n return segments.join(_sep);\n };\n };\n\n // This takes place outside the above loop because we don't want, e.g., encodeUrnPath functions.\n URI.decodePath = generateSegmentedPathFunction('/', 'decodePathSegment');\n URI.decodeUrnPath = generateSegmentedPathFunction(':', 'decodeUrnPathSegment');\n URI.recodePath = generateSegmentedPathFunction('/', 'encodePathSegment', 'decode');\n URI.recodeUrnPath = generateSegmentedPathFunction(':', 'encodeUrnPathSegment', 'decode');\n\n URI.encodeReserved = generateAccessor('reserved', 'encode');\n\n URI.parse = function(string, parts) {\n var pos;\n if (!parts) {\n parts = {\n preventInvalidHostname: URI.preventInvalidHostname\n };\n }\n\n string = string.replace(URI.leading_whitespace_expression, '')\n // https://infra.spec.whatwg.org/#ascii-tab-or-newline\n string = string.replace(URI.ascii_tab_whitespace, '')\n\n // [protocol\"://\"[username[\":\"password]\"@\"]hostname[\":\"port]\"/\"?][path][\"?\"querystring][\"#\"fragment]\n\n // extract fragment\n pos = string.indexOf('#');\n if (pos > -1) {\n // escaping?\n parts.fragment = string.substring(pos + 1) || null;\n string = string.substring(0, pos);\n }\n\n // extract query\n pos = string.indexOf('?');\n if (pos > -1) {\n // escaping?\n parts.query = string.substring(pos + 1) || null;\n string = string.substring(0, pos);\n }\n\n // slashes and backslashes have lost all meaning for the web protocols (https, http, wss, ws)\n string = string.replace(/^(https?|ftp|wss?)?:+[/\\\\]*/i, '$1://');\n // slashes and backslashes have lost all meaning for scheme relative URLs\n string = string.replace(/^[/\\\\]{2,}/i, '//');\n\n // extract protocol\n if (string.substring(0, 2) === '//') {\n // relative-scheme\n parts.protocol = null;\n string = string.substring(2);\n // extract \"user:pass@host:port\"\n string = URI.parseAuthority(string, parts);\n } else {\n pos = string.indexOf(':');\n if (pos > -1) {\n parts.protocol = string.substring(0, pos) || null;\n if (parts.protocol && !parts.protocol.match(URI.protocol_expression)) {\n // : may be within the path\n parts.protocol = undefined;\n } else if (string.substring(pos + 1, pos + 3).replace(/\\\\/g, '/') === '//') {\n string = string.substring(pos + 3);\n\n // extract \"user:pass@host:port\"\n string = URI.parseAuthority(string, parts);\n } else {\n string = string.substring(pos + 1);\n parts.urn = true;\n }\n }\n }\n\n // what's left must be the path\n parts.path = string;\n\n // and we're done\n return parts;\n };\n URI.parseHost = function(string, parts) {\n if (!string) {\n string = '';\n }\n\n // Copy chrome, IE, opera backslash-handling behavior.\n // Back slashes before the query string get converted to forward slashes\n // See: https://github.com/joyent/node/blob/386fd24f49b0e9d1a8a076592a404168faeecc34/lib/url.js#L115-L124\n // See: https://code.google.com/p/chromium/issues/detail?id=25916\n // https://github.com/medialize/URI.js/pull/233\n string = string.replace(/\\\\/g, '/');\n\n // extract host:port\n var pos = string.indexOf('/');\n var bracketPos;\n var t;\n\n if (pos === -1) {\n pos = string.length;\n }\n\n if (string.charAt(0) === '[') {\n // IPv6 host - http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-04#section-6\n // I claim most client software breaks on IPv6 anyways. To simplify things, URI only accepts\n // IPv6+port in the format [2001:db8::1]:80 (for the time being)\n bracketPos = string.indexOf(']');\n parts.hostname = string.substring(1, bracketPos) || null;\n parts.port = string.substring(bracketPos + 2, pos) || null;\n if (parts.port === '/') {\n parts.port = null;\n }\n } else {\n var firstColon = string.indexOf(':');\n var firstSlash = string.indexOf('/');\n var nextColon = string.indexOf(':', firstColon + 1);\n if (nextColon !== -1 && (firstSlash === -1 || nextColon < firstSlash)) {\n // IPv6 host contains multiple colons - but no port\n // this notation is actually not allowed by RFC 3986, but we're a liberal parser\n parts.hostname = string.substring(0, pos) || null;\n parts.port = null;\n } else {\n t = string.substring(0, pos).split(':');\n parts.hostname = t[0] || null;\n parts.port = t[1] || null;\n }\n }\n\n if (parts.hostname && string.substring(pos).charAt(0) !== '/') {\n pos++;\n string = '/' + string;\n }\n\n if (parts.preventInvalidHostname) {\n URI.ensureValidHostname(parts.hostname, parts.protocol);\n }\n\n if (parts.port) {\n URI.ensureValidPort(parts.port);\n }\n\n return string.substring(pos) || '/';\n };\n URI.parseAuthority = function(string, parts) {\n string = URI.parseUserinfo(string, parts);\n return URI.parseHost(string, parts);\n };\n URI.parseUserinfo = function(string, parts) {\n // extract username:password\n var _string = string\n var firstBackSlash = string.indexOf('\\\\');\n if (firstBackSlash !== -1) {\n string = string.replace(/\\\\/g, '/')\n }\n var firstSlash = string.indexOf('/');\n var pos = string.lastIndexOf('@', firstSlash > -1 ? firstSlash : string.length - 1);\n var t;\n\n // authority@ must come before /path or \\path\n if (pos > -1 && (firstSlash === -1 || pos < firstSlash)) {\n t = string.substring(0, pos).split(':');\n parts.username = t[0] ? URI.decode(t[0]) : null;\n t.shift();\n parts.password = t[0] ? URI.decode(t.join(':')) : null;\n string = _string.substring(pos + 1);\n } else {\n parts.username = null;\n parts.password = null;\n }\n\n return string;\n };\n URI.parseQuery = function(string, escapeQuerySpace) {\n if (!string) {\n return {};\n }\n\n // throw out the funky business - \"?\"[name\"=\"value\"&\"]+\n string = string.replace(/&+/g, '&').replace(/^\\?*&*|&+$/g, '');\n\n if (!string) {\n return {};\n }\n\n var items = {};\n var splits = string.split('&');\n var length = splits.length;\n var v, name, value;\n\n for (var i = 0; i < length; i++) {\n v = splits[i].split('=');\n name = URI.decodeQuery(v.shift(), escapeQuerySpace);\n // no \"=\" is null according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#collect-url-parameters\n value = v.length ? URI.decodeQuery(v.join('='), escapeQuerySpace) : null;\n\n if (name === '__proto__') {\n // ignore attempt at exploiting JavaScript internals\n continue;\n } else if (hasOwn.call(items, name)) {\n if (typeof items[name] === 'string' || items[name] === null) {\n items[name] = [items[name]];\n }\n\n items[name].push(value);\n } else {\n items[name] = value;\n }\n }\n\n return items;\n };\n\n URI.build = function(parts) {\n var t = '';\n var requireAbsolutePath = false\n\n if (parts.protocol) {\n t += parts.protocol + ':';\n }\n\n if (!parts.urn && (t || parts.hostname)) {\n t += '//';\n requireAbsolutePath = true\n }\n\n t += (URI.buildAuthority(parts) || '');\n\n if (typeof parts.path === 'string') {\n if (parts.path.charAt(0) !== '/' && requireAbsolutePath) {\n t += '/';\n }\n\n t += parts.path;\n }\n\n if (typeof parts.query === 'string' && parts.query) {\n t += '?' + parts.query;\n }\n\n if (typeof parts.fragment === 'string' && parts.fragment) {\n t += '#' + parts.fragment;\n }\n return t;\n };\n URI.buildHost = function(parts) {\n var t = '';\n\n if (!parts.hostname) {\n return '';\n } else if (URI.ip6_expression.test(parts.hostname)) {\n t += '[' + parts.hostname + ']';\n } else {\n t += parts.hostname;\n }\n\n if (parts.port) {\n t += ':' + parts.port;\n }\n\n return t;\n };\n URI.buildAuthority = function(parts) {\n return URI.buildUserinfo(parts) + URI.buildHost(parts);\n };\n URI.buildUserinfo = function(parts) {\n var t = '';\n\n if (parts.username) {\n t += URI.encode(parts.username);\n }\n\n if (parts.password) {\n t += ':' + URI.encode(parts.password);\n }\n\n if (t) {\n t += '@';\n }\n\n return t;\n };\n URI.buildQuery = function(data, duplicateQueryParameters, escapeQuerySpace) {\n // according to http://tools.ietf.org/html/rfc3986 or http://labs.apache.org/webarch/uri/rfc/rfc3986.html\n // being \u00BB-._~!$&'()*+,;=:@/?\u00AB %HEX and alnum are allowed\n // the RFC explicitly states ?/foo being a valid use case, no mention of parameter syntax!\n // URI.js treats the query string as being application/x-www-form-urlencoded\n // see http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type\n\n var t = '';\n var unique, key, i, length;\n for (key in data) {\n if (key === '__proto__') {\n // ignore attempt at exploiting JavaScript internals\n continue;\n } else if (hasOwn.call(data, key)) {\n if (isArray(data[key])) {\n unique = {};\n for (i = 0, length = data[key].length; i < length; i++) {\n if (data[key][i] !== undefined && unique[data[key][i] + ''] === undefined) {\n t += '&' + URI.buildQueryParameter(key, data[key][i], escapeQuerySpace);\n if (duplicateQueryParameters !== true) {\n unique[data[key][i] + ''] = true;\n }\n }\n }\n } else if (data[key] !== undefined) {\n t += '&' + URI.buildQueryParameter(key, data[key], escapeQuerySpace);\n }\n }\n }\n\n return t.substring(1);\n };\n URI.buildQueryParameter = function(name, value, escapeQuerySpace) {\n // http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type -- application/x-www-form-urlencoded\n // don't append \"=\" for null values, according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#url-parameter-serialization\n return URI.encodeQuery(name, escapeQuerySpace) + (value !== null ? '=' + URI.encodeQuery(value, escapeQuerySpace) : '');\n };\n\n URI.addQuery = function(data, name, value) {\n if (typeof name === 'object') {\n for (var key in name) {\n if (hasOwn.call(name, key)) {\n URI.addQuery(data, key, name[key]);\n }\n }\n } else if (typeof name === 'string') {\n if (data[name] === undefined) {\n data[name] = value;\n return;\n } else if (typeof data[name] === 'string') {\n data[name] = [data[name]];\n }\n\n if (!isArray(value)) {\n value = [value];\n }\n\n data[name] = (data[name] || []).concat(value);\n } else {\n throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');\n }\n };\n\n URI.setQuery = function(data, name, value) {\n if (typeof name === 'object') {\n for (var key in name) {\n if (hasOwn.call(name, key)) {\n URI.setQuery(data, key, name[key]);\n }\n }\n } else if (typeof name === 'string') {\n data[name] = value === undefined ? null : value;\n } else {\n throw new TypeError('URI.setQuery() accepts an object, string as the name parameter');\n }\n };\n\n URI.removeQuery = function(data, name, value) {\n var i, length, key;\n\n if (isArray(name)) {\n for (i = 0, length = name.length; i < length; i++) {\n data[name[i]] = undefined;\n }\n } else if (getType(name) === 'RegExp') {\n for (key in data) {\n if (name.test(key)) {\n data[key] = undefined;\n }\n }\n } else if (typeof name === 'object') {\n for (key in name) {\n if (hasOwn.call(name, key)) {\n URI.removeQuery(data, key, name[key]);\n }\n }\n } else if (typeof name === 'string') {\n if (value !== undefined) {\n if (getType(value) === 'RegExp') {\n if (!isArray(data[name]) && value.test(data[name])) {\n data[name] = undefined;\n } else {\n data[name] = filterArrayValues(data[name], value);\n }\n } else if (data[name] === String(value) && (!isArray(value) || value.length === 1)) {\n data[name] = undefined;\n } else if (isArray(data[name])) {\n data[name] = filterArrayValues(data[name], value);\n }\n } else {\n data[name] = undefined;\n }\n } else {\n throw new TypeError('URI.removeQuery() accepts an object, string, RegExp as the first parameter');\n }\n };\n URI.hasQuery = function(data, name, value, withinArray) {\n switch (getType(name)) {\n case 'String':\n // Nothing to do here\n break;\n\n case 'RegExp':\n for (var key in data) {\n if (hasOwn.call(data, key)) {\n if (name.test(key) && (value === undefined || URI.hasQuery(data, key, value))) {\n return true;\n }\n }\n }\n\n return false;\n\n case 'Object':\n for (var _key in name) {\n if (hasOwn.call(name, _key)) {\n if (!URI.hasQuery(data, _key, name[_key])) {\n return false;\n }\n }\n }\n\n return true;\n\n default:\n throw new TypeError('URI.hasQuery() accepts a string, regular expression or object as the name parameter');\n }\n\n switch (getType(value)) {\n case 'Undefined':\n // true if exists (but may be empty)\n return name in data; // data[name] !== undefined;\n\n case 'Boolean':\n // true if exists and non-empty\n var _booly = Boolean(isArray(data[name]) ? data[name].length : data[name]);\n return value === _booly;\n\n case 'Function':\n // allow complex comparison\n return !!value(data[name], name, data);\n\n case 'Array':\n if (!isArray(data[name])) {\n return false;\n }\n\n var op = withinArray ? arrayContains : arraysEqual;\n return op(data[name], value);\n\n case 'RegExp':\n if (!isArray(data[name])) {\n return Boolean(data[name] && data[name].match(value));\n }\n\n if (!withinArray) {\n return false;\n }\n\n return arrayContains(data[name], value);\n\n case 'Number':\n value = String(value);\n /* falls through */\n case 'String':\n if (!isArray(data[name])) {\n return data[name] === value;\n }\n\n if (!withinArray) {\n return false;\n }\n\n return arrayContains(data[name], value);\n\n default:\n throw new TypeError('URI.hasQuery() accepts undefined, boolean, string, number, RegExp, Function as the value parameter');\n }\n };\n\n\n URI.joinPaths = function() {\n var input = [];\n var segments = [];\n var nonEmptySegments = 0;\n\n for (var i = 0; i < arguments.length; i++) {\n var url = new URI(arguments[i]);\n input.push(url);\n var _segments = url.segment();\n for (var s = 0; s < _segments.length; s++) {\n if (typeof _segments[s] === 'string') {\n segments.push(_segments[s]);\n }\n\n if (_segments[s]) {\n nonEmptySegments++;\n }\n }\n }\n\n if (!segments.length || !nonEmptySegments) {\n return new URI('');\n }\n\n var uri = new URI('').segment(segments);\n\n if (input[0].path() === '' || input[0].path().slice(0, 1) === '/') {\n uri.path('/' + uri.path());\n }\n\n return uri.normalize();\n };\n\n URI.commonPath = function(one, two) {\n var length = Math.min(one.length, two.length);\n var pos;\n\n // find first non-matching character\n for (pos = 0; pos < length; pos++) {\n if (one.charAt(pos) !== two.charAt(pos)) {\n pos--;\n break;\n }\n }\n\n if (pos < 1) {\n return one.charAt(0) === two.charAt(0) && one.charAt(0) === '/' ? '/' : '';\n }\n\n // revert to last /\n if (one.charAt(pos) !== '/' || two.charAt(pos) !== '/') {\n pos = one.substring(0, pos).lastIndexOf('/');\n }\n\n return one.substring(0, pos + 1);\n };\n\n URI.withinString = function(string, callback, options) {\n options || (options = {});\n var _start = options.start || URI.findUri.start;\n var _end = options.end || URI.findUri.end;\n var _trim = options.trim || URI.findUri.trim;\n var _parens = options.parens || URI.findUri.parens;\n var _attributeOpen = /[a-z0-9-]=[\"']?$/i;\n\n _start.lastIndex = 0;\n while (true) {\n var match = _start.exec(string);\n if (!match) {\n break;\n }\n\n var start = match.index;\n if (options.ignoreHtml) {\n // attribut(e=[\"']?$)\n var attributeOpen = string.slice(Math.max(start - 3, 0), start);\n if (attributeOpen && _attributeOpen.test(attributeOpen)) {\n continue;\n }\n }\n\n var end = start + string.slice(start).search(_end);\n var slice = string.slice(start, end);\n // make sure we include well balanced parens\n var parensEnd = -1;\n while (true) {\n var parensMatch = _parens.exec(slice);\n if (!parensMatch) {\n break;\n }\n\n var parensMatchEnd = parensMatch.index + parensMatch[0].length;\n parensEnd = Math.max(parensEnd, parensMatchEnd);\n }\n\n if (parensEnd > -1) {\n slice = slice.slice(0, parensEnd) + slice.slice(parensEnd).replace(_trim, '');\n } else {\n slice = slice.replace(_trim, '');\n }\n\n if (slice.length <= match[0].length) {\n // the extract only contains the starting marker of a URI,\n // e.g. \"www\" or \"http://\"\n continue;\n }\n\n if (options.ignore && options.ignore.test(slice)) {\n continue;\n }\n\n end = start + slice.length;\n var result = callback(slice, start, end, string);\n if (result === undefined) {\n _start.lastIndex = end;\n continue;\n }\n\n result = String(result);\n string = string.slice(0, start) + result + string.slice(end);\n _start.lastIndex = start + result.length;\n }\n\n _start.lastIndex = 0;\n return string;\n };\n\n URI.ensureValidHostname = function(v, protocol) {\n // Theoretically URIs allow percent-encoding in Hostnames (according to RFC 3986)\n // they are not part of DNS and therefore ignored by URI.js\n\n var hasHostname = !!v; // not null and not an empty string\n var hasProtocol = !!protocol;\n var rejectEmptyHostname = false;\n\n if (hasProtocol) {\n rejectEmptyHostname = arrayContains(URI.hostProtocols, protocol);\n }\n\n if (rejectEmptyHostname && !hasHostname) {\n throw new TypeError('Hostname cannot be empty, if protocol is ' + protocol);\n } else if (v && v.match(URI.invalid_hostname_characters)) {\n // test punycode\n if (!punycode) {\n throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-:_] and Punycode.js is not available');\n }\n if (punycode.toASCII(v).match(URI.invalid_hostname_characters)) {\n throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-:_]');\n }\n }\n };\n\n URI.ensureValidPort = function (v) {\n if (!v) {\n return;\n }\n\n var port = Number(v);\n if (isInteger(port) && (port > 0) && (port < 65536)) {\n return;\n }\n\n throw new TypeError('Port \"' + v + '\" is not a valid port');\n };\n\n // noConflict\n URI.noConflict = function(removeAll) {\n if (removeAll) {\n var unconflicted = {\n URI: this.noConflict()\n };\n\n if (root.URITemplate && typeof root.URITemplate.noConflict === 'function') {\n unconflicted.URITemplate = root.URITemplate.noConflict();\n }\n\n if (root.IPv6 && typeof root.IPv6.noConflict === 'function') {\n unconflicted.IPv6 = root.IPv6.noConflict();\n }\n\n if (root.SecondLevelDomains && typeof root.SecondLevelDomains.noConflict === 'function') {\n unconflicted.SecondLevelDomains = root.SecondLevelDomains.noConflict();\n }\n\n return unconflicted;\n } else if (root.URI === this) {\n root.URI = _URI;\n }\n\n return this;\n };\n\n p.build = function(deferBuild) {\n if (deferBuild === true) {\n this._deferred_build = true;\n } else if (deferBuild === undefined || this._deferred_build) {\n this._string = URI.build(this._parts);\n this._deferred_build = false;\n }\n\n return this;\n };\n\n p.clone = function() {\n return new URI(this);\n };\n\n p.valueOf = p.toString = function() {\n return this.build(false)._string;\n };\n\n\n function generateSimpleAccessor(_part){\n return function(v, build) {\n if (v === undefined) {\n return this._parts[_part] || '';\n } else {\n this._parts[_part] = v || null;\n this.build(!build);\n return this;\n }\n };\n }\n\n function generatePrefixAccessor(_part, _key){\n return function(v, build) {\n if (v === undefined) {\n return this._parts[_part] || '';\n } else {\n if (v !== null) {\n v = v + '';\n if (v.charAt(0) === _key) {\n v = v.substring(1);\n }\n }\n\n this._parts[_part] = v;\n this.build(!build);\n return this;\n }\n };\n }\n\n p.protocol = generateSimpleAccessor('protocol');\n p.username = generateSimpleAccessor('username');\n p.password = generateSimpleAccessor('password');\n p.hostname = generateSimpleAccessor('hostname');\n p.port = generateSimpleAccessor('port');\n p.query = generatePrefixAccessor('query', '?');\n p.fragment = generatePrefixAccessor('fragment', '#');\n\n p.search = function(v, build) {\n var t = this.query(v, build);\n return typeof t === 'string' && t.length ? ('?' + t) : t;\n };\n p.hash = function(v, build) {\n var t = this.fragment(v, build);\n return typeof t === 'string' && t.length ? ('#' + t) : t;\n };\n\n p.pathname = function(v, build) {\n if (v === undefined || v === true) {\n var res = this._parts.path || (this._parts.hostname ? '/' : '');\n return v ? (this._parts.urn ? URI.decodeUrnPath : URI.decodePath)(res) : res;\n } else {\n if (this._parts.urn) {\n this._parts.path = v ? URI.recodeUrnPath(v) : '';\n } else {\n this._parts.path = v ? URI.recodePath(v) : '/';\n }\n this.build(!build);\n return this;\n }\n };\n p.path = p.pathname;\n p.href = function(href, build) {\n var key;\n\n if (href === undefined) {\n return this.toString();\n }\n\n this._string = '';\n this._parts = URI._parts();\n\n var _URI = href instanceof URI;\n var _object = typeof href === 'object' && (href.hostname || href.path || href.pathname);\n if (href.nodeName) {\n var attribute = URI.getDomAttribute(href);\n href = href[attribute] || '';\n _object = false;\n }\n\n // window.location is reported to be an object, but it's not the sort\n // of object we're looking for:\n // * location.protocol ends with a colon\n // * location.query != object.search\n // * location.hash != object.fragment\n // simply serializing the unknown object should do the trick\n // (for location, not for everything...)\n if (!_URI && _object && href.pathname !== undefined) {\n href = href.toString();\n }\n\n if (typeof href === 'string' || href instanceof String) {\n this._parts = URI.parse(String(href), this._parts);\n } else if (_URI || _object) {\n var src = _URI ? href._parts : href;\n for (key in src) {\n if (key === 'query') { continue; }\n if (hasOwn.call(this._parts, key)) {\n this._parts[key] = src[key];\n }\n }\n if (src.query) {\n this.query(src.query, false);\n }\n } else {\n throw new TypeError('invalid input');\n }\n\n this.build(!build);\n return this;\n };\n\n // identification accessors\n p.is = function(what) {\n var ip = false;\n var ip4 = false;\n var ip6 = false;\n var name = false;\n var sld = false;\n var idn = false;\n var punycode = false;\n var relative = !this._parts.urn;\n\n if (this._parts.hostname) {\n relative = false;\n ip4 = URI.ip4_expression.test(this._parts.hostname);\n ip6 = URI.ip6_expression.test(this._parts.hostname);\n ip = ip4 || ip6;\n name = !ip;\n sld = name && SLD && SLD.has(this._parts.hostname);\n idn = name && URI.idn_expression.test(this._parts.hostname);\n punycode = name && URI.punycode_expression.test(this._parts.hostname);\n }\n\n switch (what.toLowerCase()) {\n case 'relative':\n return relative;\n\n case 'absolute':\n return !relative;\n\n // hostname identification\n case 'domain':\n case 'name':\n return name;\n\n case 'sld':\n return sld;\n\n case 'ip':\n return ip;\n\n case 'ip4':\n case 'ipv4':\n case 'inet4':\n return ip4;\n\n case 'ip6':\n case 'ipv6':\n case 'inet6':\n return ip6;\n\n case 'idn':\n return idn;\n\n case 'url':\n return !this._parts.urn;\n\n case 'urn':\n return !!this._parts.urn;\n\n case 'punycode':\n return punycode;\n }\n\n return null;\n };\n\n // component specific input validation\n var _protocol = p.protocol;\n var _port = p.port;\n var _hostname = p.hostname;\n\n p.protocol = function(v, build) {\n if (v) {\n // accept trailing ://\n v = v.replace(/:(\\/\\/)?$/, '');\n\n if (!v.match(URI.protocol_expression)) {\n throw new TypeError('Protocol \"' + v + '\" contains characters other than [A-Z0-9.+-] or doesn\\'t start with [A-Z]');\n }\n }\n\n return _protocol.call(this, v, build);\n };\n p.scheme = p.protocol;\n p.port = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v !== undefined) {\n if (v === 0) {\n v = null;\n }\n\n if (v) {\n v += '';\n if (v.charAt(0) === ':') {\n v = v.substring(1);\n }\n\n URI.ensureValidPort(v);\n }\n }\n return _port.call(this, v, build);\n };\n p.hostname = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v !== undefined) {\n var x = { preventInvalidHostname: this._parts.preventInvalidHostname };\n var res = URI.parseHost(v, x);\n if (res !== '/') {\n throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n }\n\n v = x.hostname;\n if (this._parts.preventInvalidHostname) {\n URI.ensureValidHostname(v, this._parts.protocol);\n }\n }\n\n return _hostname.call(this, v, build);\n };\n\n // compound accessors\n p.origin = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v === undefined) {\n var protocol = this.protocol();\n var authority = this.authority();\n if (!authority) {\n return '';\n }\n\n return (protocol ? protocol + '://' : '') + this.authority();\n } else {\n var origin = URI(v);\n this\n .protocol(origin.protocol())\n .authority(origin.authority())\n .build(!build);\n return this;\n }\n };\n p.host = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v === undefined) {\n return this._parts.hostname ? URI.buildHost(this._parts) : '';\n } else {\n var res = URI.parseHost(v, this._parts);\n if (res !== '/') {\n throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n }\n\n this.build(!build);\n return this;\n }\n };\n p.authority = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v === undefined) {\n return this._parts.hostname ? URI.buildAuthority(this._parts) : '';\n } else {\n var res = URI.parseAuthority(v, this._parts);\n if (res !== '/') {\n throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n }\n\n this.build(!build);\n return this;\n }\n };\n p.userinfo = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v === undefined) {\n var t = URI.buildUserinfo(this._parts);\n return t ? t.substring(0, t.length -1) : t;\n } else {\n if (v[v.length-1] !== '@') {\n v += '@';\n }\n\n URI.parseUserinfo(v, this._parts);\n this.build(!build);\n return this;\n }\n };\n p.resource = function(v, build) {\n var parts;\n\n if (v === undefined) {\n return this.path() + this.search() + this.hash();\n }\n\n parts = URI.parse(v);\n this._parts.path = parts.path;\n this._parts.query = parts.query;\n this._parts.fragment = parts.fragment;\n this.build(!build);\n return this;\n };\n\n // fraction accessors\n p.subdomain = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n // convenience, return \"www\" from \"www.example.org\"\n if (v === undefined) {\n if (!this._parts.hostname || this.is('IP')) {\n return '';\n }\n\n // grab domain and add another segment\n var end = this._parts.hostname.length - this.domain().length - 1;\n return this._parts.hostname.substring(0, end) || '';\n } else {\n var e = this._parts.hostname.length - this.domain().length;\n var sub = this._parts.hostname.substring(0, e);\n var replace = new RegExp('^' + escapeRegEx(sub));\n\n if (v && v.charAt(v.length - 1) !== '.') {\n v += '.';\n }\n\n if (v.indexOf(':') !== -1) {\n throw new TypeError('Domains cannot contain colons');\n }\n\n if (v) {\n URI.ensureValidHostname(v, this._parts.protocol);\n }\n\n this._parts.hostname = this._parts.hostname.replace(replace, v);\n this.build(!build);\n return this;\n }\n };\n p.domain = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (typeof v === 'boolean') {\n build = v;\n v = undefined;\n }\n\n // convenience, return \"example.org\" from \"www.example.org\"\n if (v === undefined) {\n if (!this._parts.hostname || this.is('IP')) {\n return '';\n }\n\n // if hostname consists of 1 or 2 segments, it must be the domain\n var t = this._parts.hostname.match(/\\./g);\n if (t && t.length < 2) {\n return this._parts.hostname;\n }\n\n // grab tld and add another segment\n var end = this._parts.hostname.length - this.tld(build).length - 1;\n end = this._parts.hostname.lastIndexOf('.', end -1) + 1;\n return this._parts.hostname.substring(end) || '';\n } else {\n if (!v) {\n throw new TypeError('cannot set domain empty');\n }\n\n if (v.indexOf(':') !== -1) {\n throw new TypeError('Domains cannot contain colons');\n }\n\n URI.ensureValidHostname(v, this._parts.protocol);\n\n if (!this._parts.hostname || this.is('IP')) {\n this._parts.hostname = v;\n } else {\n var replace = new RegExp(escapeRegEx(this.domain()) + '$');\n this._parts.hostname = this._parts.hostname.replace(replace, v);\n }\n\n this.build(!build);\n return this;\n }\n };\n p.tld = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (typeof v === 'boolean') {\n build = v;\n v = undefined;\n }\n\n // return \"org\" from \"www.example.org\"\n if (v === undefined) {\n if (!this._parts.hostname || this.is('IP')) {\n return '';\n }\n\n var pos = this._parts.hostname.lastIndexOf('.');\n var tld = this._parts.hostname.substring(pos + 1);\n\n if (build !== true && SLD && SLD.list[tld.toLowerCase()]) {\n return SLD.get(this._parts.hostname) || tld;\n }\n\n return tld;\n } else {\n var replace;\n\n if (!v) {\n throw new TypeError('cannot set TLD empty');\n } else if (v.match(/[^a-zA-Z0-9-]/)) {\n if (SLD && SLD.is(v)) {\n replace = new RegExp(escapeRegEx(this.tld()) + '$');\n this._parts.hostname = this._parts.hostname.replace(replace, v);\n } else {\n throw new TypeError('TLD \"' + v + '\" contains characters other than [A-Z0-9]');\n }\n } else if (!this._parts.hostname || this.is('IP')) {\n throw new ReferenceError('cannot set TLD on non-domain host');\n } else {\n replace = new RegExp(escapeRegEx(this.tld()) + '$');\n this._parts.hostname = this._parts.hostname.replace(replace, v);\n }\n\n this.build(!build);\n return this;\n }\n };\n p.directory = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v === undefined || v === true) {\n if (!this._parts.path && !this._parts.hostname) {\n return '';\n }\n\n if (this._parts.path === '/') {\n return '/';\n }\n\n var end = this._parts.path.length - this.filename().length - 1;\n var res = this._parts.path.substring(0, end) || (this._parts.hostname ? '/' : '');\n\n return v ? URI.decodePath(res) : res;\n\n } else {\n var e = this._parts.path.length - this.filename().length;\n var directory = this._parts.path.substring(0, e);\n var replace = new RegExp('^' + escapeRegEx(directory));\n\n // fully qualifier directories begin with a slash\n if (!this.is('relative')) {\n if (!v) {\n v = '/';\n }\n\n if (v.charAt(0) !== '/') {\n v = '/' + v;\n }\n }\n\n // directories always end with a slash\n if (v && v.charAt(v.length - 1) !== '/') {\n v += '/';\n }\n\n v = URI.recodePath(v);\n this._parts.path = this._parts.path.replace(replace, v);\n this.build(!build);\n return this;\n }\n };\n p.filename = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (typeof v !== 'string') {\n if (!this._parts.path || this._parts.path === '/') {\n return '';\n }\n\n var pos = this._parts.path.lastIndexOf('/');\n var res = this._parts.path.substring(pos+1);\n\n return v ? URI.decodePathSegment(res) : res;\n } else {\n var mutatedDirectory = false;\n\n if (v.charAt(0) === '/') {\n v = v.substring(1);\n }\n\n if (v.match(/\\.?\\//)) {\n mutatedDirectory = true;\n }\n\n var replace = new RegExp(escapeRegEx(this.filename()) + '$');\n v = URI.recodePath(v);\n this._parts.path = this._parts.path.replace(replace, v);\n\n if (mutatedDirectory) {\n this.normalizePath(build);\n } else {\n this.build(!build);\n }\n\n return this;\n }\n };\n p.suffix = function(v, build) {\n if (this._parts.urn) {\n return v === undefined ? '' : this;\n }\n\n if (v === undefined || v === true) {\n if (!this._parts.path || this._parts.path === '/') {\n return '';\n }\n\n var filename = this.filename();\n var pos = filename.lastIndexOf('.');\n var s, res;\n\n if (pos === -1) {\n return '';\n }\n\n // suffix may only contain alnum characters (yup, I made this up.)\n s = filename.substring(pos+1);\n res = (/^[a-z0-9%]+$/i).test(s) ? s : '';\n return v ? URI.decodePathSegment(res) : res;\n } else {\n if (v.charAt(0) === '.') {\n v = v.substring(1);\n }\n\n var suffix = this.suffix();\n var replace;\n\n if (!suffix) {\n if (!v) {\n return this;\n }\n\n this._parts.path += '.' + URI.recodePath(v);\n } else if (!v) {\n replace = new RegExp(escapeRegEx('.' + suffix) + '$');\n } else {\n replace = new RegExp(escapeRegEx(suffix) + '$');\n }\n\n if (replace) {\n v = URI.recodePath(v);\n this._parts.path = this._parts.path.replace(replace, v);\n }\n\n this.build(!build);\n return this;\n }\n };\n p.segment = function(segment, v, build) {\n var separator = this._parts.urn ? ':' : '/';\n var path = this.path();\n var absolute = path.substring(0, 1) === '/';\n var segments = path.split(separator);\n\n if (segment !== undefined && typeof segment !== 'number') {\n build = v;\n v = segment;\n segment = undefined;\n }\n\n if (segment !== undefined && typeof segment !== 'number') {\n throw new Error('Bad segment \"' + segment + '\", must be 0-based integer');\n }\n\n if (absolute) {\n segments.shift();\n }\n\n if (segment < 0) {\n // allow negative indexes to address from the end\n segment = Math.max(segments.length + segment, 0);\n }\n\n if (v === undefined) {\n /*jshint laxbreak: true */\n return segment === undefined\n ? segments\n : segments[segment];\n /*jshint laxbreak: false */\n } else if (segment === null || segments[segment] === undefined) {\n if (isArray(v)) {\n segments = [];\n // collapse empty elements within array\n for (var i=0, l=v.length; i < l; i++) {\n if (!v[i].length && (!segments.length || !segments[segments.length -1].length)) {\n continue;\n }\n\n if (segments.length && !segments[segments.length -1].length) {\n segments.pop();\n }\n\n segments.push(trimSlashes(v[i]));\n }\n } else if (v || typeof v === 'string') {\n v = trimSlashes(v);\n if (segments[segments.length -1] === '') {\n // empty trailing elements have to be overwritten\n // to prevent results such as /foo//bar\n segments[segments.length -1] = v;\n } else {\n segments.push(v);\n }\n }\n } else {\n if (v) {\n segments[segment] = trimSlashes(v);\n } else {\n segments.splice(segment, 1);\n }\n }\n\n if (absolute) {\n segments.unshift('');\n }\n\n return this.path(segments.join(separator), build);\n };\n p.segmentCoded = function(segment, v, build) {\n var segments, i, l;\n\n if (typeof segment !== 'number') {\n build = v;\n v = segment;\n segment = undefined;\n }\n\n if (v === undefined) {\n segments = this.segment(segment, v, build);\n if (!isArray(segments)) {\n segments = segments !== undefined ? URI.decode(segments) : undefined;\n } else {\n for (i = 0, l = segments.length; i < l; i++) {\n segments[i] = URI.decode(segments[i]);\n }\n }\n\n return segments;\n }\n\n if (!isArray(v)) {\n v = (typeof v === 'string' || v instanceof String) ? URI.encode(v) : v;\n } else {\n for (i = 0, l = v.length; i < l; i++) {\n v[i] = URI.encode(v[i]);\n }\n }\n\n return this.segment(segment, v, build);\n };\n\n // mutating query string\n var q = p.query;\n p.query = function(v, build) {\n if (v === true) {\n return URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n } else if (typeof v === 'function') {\n var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n var result = v.call(this, data);\n this._parts.query = URI.buildQuery(result || data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n this.build(!build);\n return this;\n } else if (v !== undefined && typeof v !== 'string') {\n this._parts.query = URI.buildQuery(v, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n this.build(!build);\n return this;\n } else {\n return q.call(this, v, build);\n }\n };\n p.setQuery = function(name, value, build) {\n var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n\n if (typeof name === 'string' || name instanceof String) {\n data[name] = value !== undefined ? value : null;\n } else if (typeof name === 'object') {\n for (var key in name) {\n if (hasOwn.call(name, key)) {\n data[key] = name[key];\n }\n }\n } else {\n throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');\n }\n\n this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n if (typeof name !== 'string') {\n build = value;\n }\n\n this.build(!build);\n return this;\n };\n p.addQuery = function(name, value, build) {\n var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n URI.addQuery(data, name, value === undefined ? null : value);\n this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n if (typeof name !== 'string') {\n build = value;\n }\n\n this.build(!build);\n return this;\n };\n p.removeQuery = function(name, value, build) {\n var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n URI.removeQuery(data, name, value);\n this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n if (typeof name !== 'string') {\n build = value;\n }\n\n this.build(!build);\n return this;\n };\n p.hasQuery = function(name, value, withinArray) {\n var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n return URI.hasQuery(data, name, value, withinArray);\n };\n p.setSearch = p.setQuery;\n p.addSearch = p.addQuery;\n p.removeSearch = p.removeQuery;\n p.hasSearch = p.hasQuery;\n\n // sanitizing URLs\n p.normalize = function() {\n if (this._parts.urn) {\n return this\n .normalizeProtocol(false)\n .normalizePath(false)\n .normalizeQuery(false)\n .normalizeFragment(false)\n .build();\n }\n\n return this\n .normalizeProtocol(false)\n .normalizeHostname(false)\n .normalizePort(false)\n .normalizePath(false)\n .normalizeQuery(false)\n .normalizeFragment(false)\n .build();\n };\n p.normalizeProtocol = function(build) {\n if (typeof this._parts.protocol === 'string') {\n this._parts.protocol = this._parts.protocol.toLowerCase();\n this.build(!build);\n }\n\n return this;\n };\n p.normalizeHostname = function(build) {\n if (this._parts.hostname) {\n if (this.is('IDN') && punycode) {\n this._parts.hostname = punycode.toASCII(this._parts.hostname);\n } else if (this.is('IPv6') && IPv6) {\n this._parts.hostname = IPv6.best(this._parts.hostname);\n }\n\n this._parts.hostname = this._parts.hostname.toLowerCase();\n this.build(!build);\n }\n\n return this;\n };\n p.normalizePort = function(build) {\n // remove port of it's the protocol's default\n if (typeof this._parts.protocol === 'string' && this._parts.port === URI.defaultPorts[this._parts.protocol]) {\n this._parts.port = null;\n this.build(!build);\n }\n\n return this;\n };\n p.normalizePath = function(build) {\n var _path = this._parts.path;\n if (!_path) {\n return this;\n }\n\n if (this._parts.urn) {\n this._parts.path = URI.recodeUrnPath(this._parts.path);\n this.build(!build);\n return this;\n }\n\n if (this._parts.path === '/') {\n return this;\n }\n\n _path = URI.recodePath(_path);\n\n var _was_relative;\n var _leadingParents = '';\n var _parent, _pos;\n\n // handle relative paths\n if (_path.charAt(0) !== '/') {\n _was_relative = true;\n _path = '/' + _path;\n }\n\n // handle relative files (as opposed to directories)\n if (_path.slice(-3) === '/..' || _path.slice(-2) === '/.') {\n _path += '/';\n }\n\n // resolve simples\n _path = _path\n .replace(/(\\/(\\.\\/)+)|(\\/\\.$)/g, '/')\n .replace(/\\/{2,}/g, '/');\n\n // remember leading parents\n if (_was_relative) {\n _leadingParents = _path.substring(1).match(/^(\\.\\.\\/)+/) || '';\n if (_leadingParents) {\n _leadingParents = _leadingParents[0];\n }\n }\n\n // resolve parents\n while (true) {\n _parent = _path.search(/\\/\\.\\.(\\/|$)/);\n if (_parent === -1) {\n // no more ../ to resolve\n break;\n } else if (_parent === 0) {\n // top level cannot be relative, skip it\n _path = _path.substring(3);\n continue;\n }\n\n _pos = _path.substring(0, _parent).lastIndexOf('/');\n if (_pos === -1) {\n _pos = _parent;\n }\n _path = _path.substring(0, _pos) + _path.substring(_parent + 3);\n }\n\n // revert to relative\n if (_was_relative && this.is('relative')) {\n _path = _leadingParents + _path.substring(1);\n }\n\n this._parts.path = _path;\n this.build(!build);\n return this;\n };\n p.normalizePathname = p.normalizePath;\n p.normalizeQuery = function(build) {\n if (typeof this._parts.query === 'string') {\n if (!this._parts.query.length) {\n this._parts.query = null;\n } else {\n this.query(URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace));\n }\n\n this.build(!build);\n }\n\n return this;\n };\n p.normalizeFragment = function(build) {\n if (!this._parts.fragment) {\n this._parts.fragment = null;\n this.build(!build);\n }\n\n return this;\n };\n p.normalizeSearch = p.normalizeQuery;\n p.normalizeHash = p.normalizeFragment;\n\n p.iso8859 = function() {\n // expect unicode input, iso8859 output\n var e = URI.encode;\n var d = URI.decode;\n\n URI.encode = escape;\n URI.decode = decodeURIComponent;\n try {\n this.normalize();\n } finally {\n URI.encode = e;\n URI.decode = d;\n }\n return this;\n };\n\n p.unicode = function() {\n // expect iso8859 input, unicode output\n var e = URI.encode;\n var d = URI.decode;\n\n URI.encode = strictEncodeURIComponent;\n URI.decode = unescape;\n try {\n this.normalize();\n } finally {\n URI.encode = e;\n URI.decode = d;\n }\n return this;\n };\n\n p.readable = function() {\n var uri = this.clone();\n // removing username, password, because they shouldn't be displayed according to RFC 3986\n uri.username('').password('').normalize();\n var t = '';\n if (uri._parts.protocol) {\n t += uri._parts.protocol + '://';\n }\n\n if (uri._parts.hostname) {\n if (uri.is('punycode') && punycode) {\n t += punycode.toUnicode(uri._parts.hostname);\n if (uri._parts.port) {\n t += ':' + uri._parts.port;\n }\n } else {\n t += uri.host();\n }\n }\n\n if (uri._parts.hostname && uri._parts.path && uri._parts.path.charAt(0) !== '/') {\n t += '/';\n }\n\n t += uri.path(true);\n if (uri._parts.query) {\n var q = '';\n for (var i = 0, qp = uri._parts.query.split('&'), l = qp.length; i < l; i++) {\n var kv = (qp[i] || '').split('=');\n q += '&' + URI.decodeQuery(kv[0], this._parts.escapeQuerySpace)\n .replace(/&/g, '%26');\n\n if (kv[1] !== undefined) {\n q += '=' + URI.decodeQuery(kv[1], this._parts.escapeQuerySpace)\n .replace(/&/g, '%26');\n }\n }\n t += '?' + q.substring(1);\n }\n\n t += URI.decodeQuery(uri.hash(), true);\n return t;\n };\n\n // resolving relative and absolute URLs\n p.absoluteTo = function(base) {\n var resolved = this.clone();\n var properties = ['protocol', 'username', 'password', 'hostname', 'port'];\n var basedir, i, p;\n\n if (this._parts.urn) {\n throw new Error('URNs do not have any generally defined hierarchical components');\n }\n\n if (!(base instanceof URI)) {\n base = new URI(base);\n }\n\n if (resolved._parts.protocol) {\n // Directly returns even if this._parts.hostname is empty.\n return resolved;\n } else {\n resolved._parts.protocol = base._parts.protocol;\n }\n\n if (this._parts.hostname) {\n return resolved;\n }\n\n for (i = 0; (p = properties[i]); i++) {\n resolved._parts[p] = base._parts[p];\n }\n\n if (!resolved._parts.path) {\n resolved._parts.path = base._parts.path;\n if (!resolved._parts.query) {\n resolved._parts.query = base._parts.query;\n }\n } else {\n if (resolved._parts.path.substring(-2) === '..') {\n resolved._parts.path += '/';\n }\n\n if (resolved.path().charAt(0) !== '/') {\n basedir = base.directory();\n basedir = basedir ? basedir : base.path().indexOf('/') === 0 ? '/' : '';\n resolved._parts.path = (basedir ? (basedir + '/') : '') + resolved._parts.path;\n resolved.normalizePath();\n }\n }\n\n resolved.build();\n return resolved;\n };\n p.relativeTo = function(base) {\n var relative = this.clone().normalize();\n var relativeParts, baseParts, common, relativePath, basePath;\n\n if (relative._parts.urn) {\n throw new Error('URNs do not have any generally defined hierarchical components');\n }\n\n base = new URI(base).normalize();\n relativeParts = relative._parts;\n baseParts = base._parts;\n relativePath = relative.path();\n basePath = base.path();\n\n if (relativePath.charAt(0) !== '/') {\n throw new Error('URI is already relative');\n }\n\n if (basePath.charAt(0) !== '/') {\n throw new Error('Cannot calculate a URI relative to another relative URI');\n }\n\n if (relativeParts.protocol === baseParts.protocol) {\n relativeParts.protocol = null;\n }\n\n if (relativeParts.username !== baseParts.username || relativeParts.password !== baseParts.password) {\n return relative.build();\n }\n\n if (relativeParts.protocol !== null || relativeParts.username !== null || relativeParts.password !== null) {\n return relative.build();\n }\n\n if (relativeParts.hostname === baseParts.hostname && relativeParts.port === baseParts.port) {\n relativeParts.hostname = null;\n relativeParts.port = null;\n } else {\n return relative.build();\n }\n\n if (relativePath === basePath) {\n relativeParts.path = '';\n return relative.build();\n }\n\n // determine common sub path\n common = URI.commonPath(relativePath, basePath);\n\n // If the paths have nothing in common, return a relative URL with the absolute path.\n if (!common) {\n return relative.build();\n }\n\n var parents = baseParts.path\n .substring(common.length)\n .replace(/[^\\/]*$/, '')\n .replace(/.*?\\//g, '../');\n\n relativeParts.path = (parents + relativeParts.path.substring(common.length)) || './';\n\n return relative.build();\n };\n\n // comparing URIs\n p.equals = function(uri) {\n var one = this.clone();\n var two = new URI(uri);\n var one_map = {};\n var two_map = {};\n var checked = {};\n var one_query, two_query, key;\n\n one.normalize();\n two.normalize();\n\n // exact match\n if (one.toString() === two.toString()) {\n return true;\n }\n\n // extract query string\n one_query = one.query();\n two_query = two.query();\n one.query('');\n two.query('');\n\n // definitely not equal if not even non-query parts match\n if (one.toString() !== two.toString()) {\n return false;\n }\n\n // query parameters have the same length, even if they're permuted\n if (one_query.length !== two_query.length) {\n return false;\n }\n\n one_map = URI.parseQuery(one_query, this._parts.escapeQuerySpace);\n two_map = URI.parseQuery(two_query, this._parts.escapeQuerySpace);\n\n for (key in one_map) {\n if (hasOwn.call(one_map, key)) {\n if (!isArray(one_map[key])) {\n if (one_map[key] !== two_map[key]) {\n return false;\n }\n } else if (!arraysEqual(one_map[key], two_map[key])) {\n return false;\n }\n\n checked[key] = true;\n }\n }\n\n for (key in two_map) {\n if (hasOwn.call(two_map, key)) {\n if (!checked[key]) {\n // two contains a parameter not present in one\n return false;\n }\n }\n }\n\n return true;\n };\n\n // state\n p.preventInvalidHostname = function(v) {\n this._parts.preventInvalidHostname = !!v;\n return this;\n };\n\n p.duplicateQueryParameters = function(v) {\n this._parts.duplicateQueryParameters = !!v;\n return this;\n };\n\n p.escapeQuerySpace = function(v) {\n this._parts.escapeQuerySpace = !!v;\n return this;\n };\n\n return URI;\n}));\n", "// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/5/LICENSE\n\n// This is CodeMirror (https://codemirror.net/5), a code editor\n// implemented in JavaScript on top of the browser's DOM.\n//\n// You can find some technical background for some of the code below\n// at http://marijnhaverbeke.nl/blog/#cm-internals .\n\n(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (global = global || self, global.CodeMirror = factory());\n}(this, (function () { 'use strict';\n\n // Kludges for bugs and behavior differences that can't be feature\n // detected are enabled based on userAgent etc sniffing.\n var userAgent = navigator.userAgent;\n var platform = navigator.platform;\n\n var gecko = /gecko\\/\\d/i.test(userAgent);\n var ie_upto10 = /MSIE \\d/.test(userAgent);\n var ie_11up = /Trident\\/(?:[7-9]|\\d{2,})\\..*rv:(\\d+)/.exec(userAgent);\n var edge = /Edge\\/(\\d+)/.exec(userAgent);\n var ie = ie_upto10 || ie_11up || edge;\n var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);\n var webkit = !edge && /WebKit\\//.test(userAgent);\n var qtwebkit = webkit && /Qt\\/\\d+\\.\\d+/.test(userAgent);\n var chrome = !edge && /Chrome\\/(\\d+)/.exec(userAgent);\n var chrome_version = chrome && +chrome[1];\n var presto = /Opera\\//.test(userAgent);\n var safari = /Apple Computer/.test(navigator.vendor);\n var mac_geMountainLion = /Mac OS X 1\\d\\D([8-9]|\\d\\d)\\D/.test(userAgent);\n var phantom = /PhantomJS/.test(userAgent);\n\n var ios = safari && (/Mobile\\/\\w+/.test(userAgent) || navigator.maxTouchPoints > 2);\n var android = /Android/.test(userAgent);\n // This is woefully incomplete. Suggestions for alternative methods welcome.\n var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);\n var mac = ios || /Mac/.test(platform);\n var chromeOS = /\\bCrOS\\b/.test(userAgent);\n var windows = /win/i.test(platform);\n\n var presto_version = presto && userAgent.match(/Version\\/(\\d*\\.\\d*)/);\n if (presto_version) { presto_version = Number(presto_version[1]); }\n if (presto_version && presto_version >= 15) { presto = false; webkit = true; }\n // Some browsers use the wrong event properties to signal cmd/ctrl on OS X\n var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));\n var captureRightClick = gecko || (ie && ie_version >= 9);\n\n function classTest(cls) { return new RegExp(\"(^|\\\\s)\" + cls + \"(?:$|\\\\s)\\\\s*\") }\n\n var rmClass = function(node, cls) {\n var current = node.className;\n var match = classTest(cls).exec(current);\n if (match) {\n var after = current.slice(match.index + match[0].length);\n node.className = current.slice(0, match.index) + (after ? match[1] + after : \"\");\n }\n };\n\n function removeChildren(e) {\n for (var count = e.childNodes.length; count > 0; --count)\n { e.removeChild(e.firstChild); }\n return e\n }\n\n function removeChildrenAndAdd(parent, e) {\n return removeChildren(parent).appendChild(e)\n }\n\n function elt(tag, content, className, style) {\n var e = document.createElement(tag);\n if (className) { e.className = className; }\n if (style) { e.style.cssText = style; }\n if (typeof content == \"string\") { e.appendChild(document.createTextNode(content)); }\n else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }\n return e\n }\n // wrapper for elt, which removes the elt from the accessibility tree\n function eltP(tag, content, className, style) {\n var e = elt(tag, content, className, style);\n e.setAttribute(\"role\", \"presentation\");\n return e\n }\n\n var range;\n if (document.createRange) { range = function(node, start, end, endNode) {\n var r = document.createRange();\n r.setEnd(endNode || node, end);\n r.setStart(node, start);\n return r\n }; }\n else { range = function(node, start, end) {\n var r = document.body.createTextRange();\n try { r.moveToElementText(node.parentNode); }\n catch(e) { return r }\n r.collapse(true);\n r.moveEnd(\"character\", end);\n r.moveStart(\"character\", start);\n return r\n }; }\n\n function contains(parent, child) {\n if (child.nodeType == 3) // Android browser always returns false when child is a textnode\n { child = child.parentNode; }\n if (parent.contains)\n { return parent.contains(child) }\n do {\n if (child.nodeType == 11) { child = child.host; }\n if (child == parent) { return true }\n } while (child = child.parentNode)\n }\n\n function activeElt(rootNode) {\n // IE and Edge may throw an \"Unspecified Error\" when accessing document.activeElement.\n // IE < 10 will throw when accessed while the page is loading or in an iframe.\n // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.\n var doc = rootNode.ownerDocument || rootNode;\n var activeElement;\n try {\n activeElement = rootNode.activeElement;\n } catch(e) {\n activeElement = doc.body || null;\n }\n while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)\n { activeElement = activeElement.shadowRoot.activeElement; }\n return activeElement\n }\n\n function addClass(node, cls) {\n var current = node.className;\n if (!classTest(cls).test(current)) { node.className += (current ? \" \" : \"\") + cls; }\n }\n function joinClasses(a, b) {\n var as = a.split(\" \");\n for (var i = 0; i < as.length; i++)\n { if (as[i] && !classTest(as[i]).test(b)) { b += \" \" + as[i]; } }\n return b\n }\n\n var selectInput = function(node) { node.select(); };\n if (ios) // Mobile Safari apparently has a bug where select() is broken.\n { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }\n else if (ie) // Suppress mysterious IE10 errors\n { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }\n\n function doc(cm) { return cm.display.wrapper.ownerDocument }\n\n function root(cm) {\n return rootNode(cm.display.wrapper)\n }\n\n function rootNode(element) {\n // Detect modern browsers (2017+).\n return element.getRootNode ? element.getRootNode() : element.ownerDocument\n }\n\n function win(cm) { return doc(cm).defaultView }\n\n function bind(f) {\n var args = Array.prototype.slice.call(arguments, 1);\n return function(){return f.apply(null, args)}\n }\n\n function copyObj(obj, target, overwrite) {\n if (!target) { target = {}; }\n for (var prop in obj)\n { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))\n { target[prop] = obj[prop]; } }\n return target\n }\n\n // Counts the column offset in a string, taking tabs into account.\n // Used mostly to find indentation.\n function countColumn(string, end, tabSize, startIndex, startValue) {\n if (end == null) {\n end = string.search(/[^\\s\\u00a0]/);\n if (end == -1) { end = string.length; }\n }\n for (var i = startIndex || 0, n = startValue || 0;;) {\n var nextTab = string.indexOf(\"\\t\", i);\n if (nextTab < 0 || nextTab >= end)\n { return n + (end - i) }\n n += nextTab - i;\n n += tabSize - (n % tabSize);\n i = nextTab + 1;\n }\n }\n\n var Delayed = function() {\n this.id = null;\n this.f = null;\n this.time = 0;\n this.handler = bind(this.onTimeout, this);\n };\n Delayed.prototype.onTimeout = function (self) {\n self.id = 0;\n if (self.time <= +new Date) {\n self.f();\n } else {\n setTimeout(self.handler, self.time - +new Date);\n }\n };\n Delayed.prototype.set = function (ms, f) {\n this.f = f;\n var time = +new Date + ms;\n if (!this.id || time < this.time) {\n clearTimeout(this.id);\n this.id = setTimeout(this.handler, ms);\n this.time = time;\n }\n };\n\n function indexOf(array, elt) {\n for (var i = 0; i < array.length; ++i)\n { if (array[i] == elt) { return i } }\n return -1\n }\n\n // Number of pixels added to scroller and sizer to hide scrollbar\n var scrollerGap = 50;\n\n // Returned or thrown by various protocols to signal 'I'm not\n // handling this'.\n var Pass = {toString: function(){return \"CodeMirror.Pass\"}};\n\n // Reused option objects for setSelection & friends\n var sel_dontScroll = {scroll: false}, sel_mouse = {origin: \"*mouse\"}, sel_move = {origin: \"+move\"};\n\n // The inverse of countColumn -- find the offset that corresponds to\n // a particular column.\n function findColumn(string, goal, tabSize) {\n for (var pos = 0, col = 0;;) {\n var nextTab = string.indexOf(\"\\t\", pos);\n if (nextTab == -1) { nextTab = string.length; }\n var skipped = nextTab - pos;\n if (nextTab == string.length || col + skipped >= goal)\n { return pos + Math.min(skipped, goal - col) }\n col += nextTab - pos;\n col += tabSize - (col % tabSize);\n pos = nextTab + 1;\n if (col >= goal) { return pos }\n }\n }\n\n var spaceStrs = [\"\"];\n function spaceStr(n) {\n while (spaceStrs.length <= n)\n { spaceStrs.push(lst(spaceStrs) + \" \"); }\n return spaceStrs[n]\n }\n\n function lst(arr) { return arr[arr.length-1] }\n\n function map(array, f) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }\n return out\n }\n\n function insertSorted(array, value, score) {\n var pos = 0, priority = score(value);\n while (pos < array.length && score(array[pos]) <= priority) { pos++; }\n array.splice(pos, 0, value);\n }\n\n function nothing() {}\n\n function createObj(base, props) {\n var inst;\n if (Object.create) {\n inst = Object.create(base);\n } else {\n nothing.prototype = base;\n inst = new nothing();\n }\n if (props) { copyObj(props, inst); }\n return inst\n }\n\n var nonASCIISingleCaseWordChar = /[\\u00df\\u0587\\u0590-\\u05f4\\u0600-\\u06ff\\u3040-\\u309f\\u30a0-\\u30ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\uac00-\\ud7af]/;\n function isWordCharBasic(ch) {\n return /\\w/.test(ch) || ch > \"\\x80\" &&\n (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))\n }\n function isWordChar(ch, helper) {\n if (!helper) { return isWordCharBasic(ch) }\n if (helper.source.indexOf(\"\\\\w\") > -1 && isWordCharBasic(ch)) { return true }\n return helper.test(ch)\n }\n\n function isEmpty(obj) {\n for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }\n return true\n }\n\n // Extending unicode characters. A series of a non-extending char +\n // any number of extending chars is treated as a single unit as far\n // as editing and measuring is concerned. This is not fully correct,\n // since some scripts/fonts/browsers also treat other configurations\n // of code points as a group.\n var extendingChars = /[\\u0300-\\u036f\\u0483-\\u0489\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u064b-\\u065e\\u0670\\u06d6-\\u06dc\\u06de-\\u06e4\\u06e7\\u06e8\\u06ea-\\u06ed\\u0711\\u0730-\\u074a\\u07a6-\\u07b0\\u07eb-\\u07f3\\u0816-\\u0819\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0900-\\u0902\\u093c\\u0941-\\u0948\\u094d\\u0951-\\u0955\\u0962\\u0963\\u0981\\u09bc\\u09be\\u09c1-\\u09c4\\u09cd\\u09d7\\u09e2\\u09e3\\u0a01\\u0a02\\u0a3c\\u0a41\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a70\\u0a71\\u0a75\\u0a81\\u0a82\\u0abc\\u0ac1-\\u0ac5\\u0ac7\\u0ac8\\u0acd\\u0ae2\\u0ae3\\u0b01\\u0b3c\\u0b3e\\u0b3f\\u0b41-\\u0b44\\u0b4d\\u0b56\\u0b57\\u0b62\\u0b63\\u0b82\\u0bbe\\u0bc0\\u0bcd\\u0bd7\\u0c3e-\\u0c40\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62\\u0c63\\u0cbc\\u0cbf\\u0cc2\\u0cc6\\u0ccc\\u0ccd\\u0cd5\\u0cd6\\u0ce2\\u0ce3\\u0d3e\\u0d41-\\u0d44\\u0d4d\\u0d57\\u0d62\\u0d63\\u0dca\\u0dcf\\u0dd2-\\u0dd4\\u0dd6\\u0ddf\\u0e31\\u0e34-\\u0e3a\\u0e47-\\u0e4e\\u0eb1\\u0eb4-\\u0eb9\\u0ebb\\u0ebc\\u0ec8-\\u0ecd\\u0f18\\u0f19\\u0f35\\u0f37\\u0f39\\u0f71-\\u0f7e\\u0f80-\\u0f84\\u0f86\\u0f87\\u0f90-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u102d-\\u1030\\u1032-\\u1037\\u1039\\u103a\\u103d\\u103e\\u1058\\u1059\\u105e-\\u1060\\u1071-\\u1074\\u1082\\u1085\\u1086\\u108d\\u109d\\u135f\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17b7-\\u17bd\\u17c6\\u17c9-\\u17d3\\u17dd\\u180b-\\u180d\\u18a9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193b\\u1a17\\u1a18\\u1a56\\u1a58-\\u1a5e\\u1a60\\u1a62\\u1a65-\\u1a6c\\u1a73-\\u1a7c\\u1a7f\\u1b00-\\u1b03\\u1b34\\u1b36-\\u1b3a\\u1b3c\\u1b42\\u1b6b-\\u1b73\\u1b80\\u1b81\\u1ba2-\\u1ba5\\u1ba8\\u1ba9\\u1c2c-\\u1c33\\u1c36\\u1c37\\u1cd0-\\u1cd2\\u1cd4-\\u1ce0\\u1ce2-\\u1ce8\\u1ced\\u1dc0-\\u1de6\\u1dfd-\\u1dff\\u200c\\u200d\\u20d0-\\u20f0\\u2cef-\\u2cf1\\u2de0-\\u2dff\\u302a-\\u302f\\u3099\\u309a\\ua66f-\\ua672\\ua67c\\ua67d\\ua6f0\\ua6f1\\ua802\\ua806\\ua80b\\ua825\\ua826\\ua8c4\\ua8e0-\\ua8f1\\ua926-\\ua92d\\ua947-\\ua951\\ua980-\\ua982\\ua9b3\\ua9b6-\\ua9b9\\ua9bc\\uaa29-\\uaa2e\\uaa31\\uaa32\\uaa35\\uaa36\\uaa43\\uaa4c\\uaab0\\uaab2-\\uaab4\\uaab7\\uaab8\\uaabe\\uaabf\\uaac1\\uabe5\\uabe8\\uabed\\udc00-\\udfff\\ufb1e\\ufe00-\\ufe0f\\ufe20-\\ufe26\\uff9e\\uff9f]/;\n function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }\n\n // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.\n function skipExtendingChars(str, pos, dir) {\n while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }\n return pos\n }\n\n // Returns the value from the range [`from`; `to`] that satisfies\n // `pred` and is closest to `from`. Assumes that at least `to`\n // satisfies `pred`. Supports `from` being greater than `to`.\n function findFirst(pred, from, to) {\n // At any point we are certain `to` satisfies `pred`, don't know\n // whether `from` does.\n var dir = from > to ? -1 : 1;\n for (;;) {\n if (from == to) { return from }\n var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);\n if (mid == from) { return pred(mid) ? from : to }\n if (pred(mid)) { to = mid; }\n else { from = mid + dir; }\n }\n }\n\n // BIDI HELPERS\n\n function iterateBidiSections(order, from, to, f) {\n if (!order) { return f(from, to, \"ltr\", 0) }\n var found = false;\n for (var i = 0; i < order.length; ++i) {\n var part = order[i];\n if (part.from < to && part.to > from || from == to && part.to == from) {\n f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? \"rtl\" : \"ltr\", i);\n found = true;\n }\n }\n if (!found) { f(from, to, \"ltr\"); }\n }\n\n var bidiOther = null;\n function getBidiPartAt(order, ch, sticky) {\n var found;\n bidiOther = null;\n for (var i = 0; i < order.length; ++i) {\n var cur = order[i];\n if (cur.from < ch && cur.to > ch) { return i }\n if (cur.to == ch) {\n if (cur.from != cur.to && sticky == \"before\") { found = i; }\n else { bidiOther = i; }\n }\n if (cur.from == ch) {\n if (cur.from != cur.to && sticky != \"before\") { found = i; }\n else { bidiOther = i; }\n }\n }\n return found != null ? found : bidiOther\n }\n\n // Bidirectional ordering algorithm\n // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm\n // that this (partially) implements.\n\n // One-char codes used for character types:\n // L (L): Left-to-Right\n // R (R): Right-to-Left\n // r (AL): Right-to-Left Arabic\n // 1 (EN): European Number\n // + (ES): European Number Separator\n // % (ET): European Number Terminator\n // n (AN): Arabic Number\n // , (CS): Common Number Separator\n // m (NSM): Non-Spacing Mark\n // b (BN): Boundary Neutral\n // s (B): Paragraph Separator\n // t (S): Segment Separator\n // w (WS): Whitespace\n // N (ON): Other Neutrals\n\n // Returns null if characters are ordered as they appear\n // (left-to-right), or an array of sections ({from, to, level}\n // objects) in the order in which they occur visually.\n var bidiOrdering = (function() {\n // Character types for codepoints 0 to 0xff\n var lowTypes = \"bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN\";\n // Character types for codepoints 0x600 to 0x6f9\n var arabicTypes = \"nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111\";\n function charType(code) {\n if (code <= 0xf7) { return lowTypes.charAt(code) }\n else if (0x590 <= code && code <= 0x5f4) { return \"R\" }\n else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }\n else if (0x6ee <= code && code <= 0x8ac) { return \"r\" }\n else if (0x2000 <= code && code <= 0x200b) { return \"w\" }\n else if (code == 0x200c) { return \"b\" }\n else { return \"L\" }\n }\n\n var bidiRE = /[\\u0590-\\u05f4\\u0600-\\u06ff\\u0700-\\u08ac]/;\n var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;\n\n function BidiSpan(level, from, to) {\n this.level = level;\n this.from = from; this.to = to;\n }\n\n return function(str, direction) {\n var outerType = direction == \"ltr\" ? \"L\" : \"R\";\n\n if (str.length == 0 || direction == \"ltr\" && !bidiRE.test(str)) { return false }\n var len = str.length, types = [];\n for (var i = 0; i < len; ++i)\n { types.push(charType(str.charCodeAt(i))); }\n\n // W1. Examine each non-spacing mark (NSM) in the level run, and\n // change the type of the NSM to the type of the previous\n // character. If the NSM is at the start of the level run, it will\n // get the type of sor.\n for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {\n var type = types[i$1];\n if (type == \"m\") { types[i$1] = prev; }\n else { prev = type; }\n }\n\n // W2. Search backwards from each instance of a European number\n // until the first strong type (R, L, AL, or sor) is found. If an\n // AL is found, change the type of the European number to Arabic\n // number.\n // W3. Change all ALs to R.\n for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {\n var type$1 = types[i$2];\n if (type$1 == \"1\" && cur == \"r\") { types[i$2] = \"n\"; }\n else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == \"r\") { types[i$2] = \"R\"; } }\n }\n\n // W4. A single European separator between two European numbers\n // changes to a European number. A single common separator between\n // two numbers of the same type changes to that type.\n for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {\n var type$2 = types[i$3];\n if (type$2 == \"+\" && prev$1 == \"1\" && types[i$3+1] == \"1\") { types[i$3] = \"1\"; }\n else if (type$2 == \",\" && prev$1 == types[i$3+1] &&\n (prev$1 == \"1\" || prev$1 == \"n\")) { types[i$3] = prev$1; }\n prev$1 = type$2;\n }\n\n // W5. A sequence of European terminators adjacent to European\n // numbers changes to all European numbers.\n // W6. Otherwise, separators and terminators change to Other\n // Neutral.\n for (var i$4 = 0; i$4 < len; ++i$4) {\n var type$3 = types[i$4];\n if (type$3 == \",\") { types[i$4] = \"N\"; }\n else if (type$3 == \"%\") {\n var end = (void 0);\n for (end = i$4 + 1; end < len && types[end] == \"%\"; ++end) {}\n var replace = (i$4 && types[i$4-1] == \"!\") || (end < len && types[end] == \"1\") ? \"1\" : \"N\";\n for (var j = i$4; j < end; ++j) { types[j] = replace; }\n i$4 = end - 1;\n }\n }\n\n // W7. Search backwards from each instance of a European number\n // until the first strong type (R, L, or sor) is found. If an L is\n // found, then change the type of the European number to L.\n for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {\n var type$4 = types[i$5];\n if (cur$1 == \"L\" && type$4 == \"1\") { types[i$5] = \"L\"; }\n else if (isStrong.test(type$4)) { cur$1 = type$4; }\n }\n\n // N1. A sequence of neutrals takes the direction of the\n // surrounding strong text if the text on both sides has the same\n // direction. European and Arabic numbers act as if they were R in\n // terms of their influence on neutrals. Start-of-level-run (sor)\n // and end-of-level-run (eor) are used at level run boundaries.\n // N2. Any remaining neutrals take the embedding direction.\n for (var i$6 = 0; i$6 < len; ++i$6) {\n if (isNeutral.test(types[i$6])) {\n var end$1 = (void 0);\n for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}\n var before = (i$6 ? types[i$6-1] : outerType) == \"L\";\n var after = (end$1 < len ? types[end$1] : outerType) == \"L\";\n var replace$1 = before == after ? (before ? \"L\" : \"R\") : outerType;\n for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }\n i$6 = end$1 - 1;\n }\n }\n\n // Here we depart from the documented algorithm, in order to avoid\n // building up an actual levels array. Since there are only three\n // levels (0, 1, 2) in an implementation that doesn't take\n // explicit embedding into account, we can build up the order on\n // the fly, without following the level-based algorithm.\n var order = [], m;\n for (var i$7 = 0; i$7 < len;) {\n if (countsAsLeft.test(types[i$7])) {\n var start = i$7;\n for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}\n order.push(new BidiSpan(0, start, i$7));\n } else {\n var pos = i$7, at = order.length, isRTL = direction == \"rtl\" ? 1 : 0;\n for (++i$7; i$7 < len && types[i$7] != \"L\"; ++i$7) {}\n for (var j$2 = pos; j$2 < i$7;) {\n if (countsAsNum.test(types[j$2])) {\n if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); at += isRTL; }\n var nstart = j$2;\n for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}\n order.splice(at, 0, new BidiSpan(2, nstart, j$2));\n at += isRTL;\n pos = j$2;\n } else { ++j$2; }\n }\n if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }\n }\n }\n if (direction == \"ltr\") {\n if (order[0].level == 1 && (m = str.match(/^\\s+/))) {\n order[0].from = m[0].length;\n order.unshift(new BidiSpan(0, 0, m[0].length));\n }\n if (lst(order).level == 1 && (m = str.match(/\\s+$/))) {\n lst(order).to -= m[0].length;\n order.push(new BidiSpan(0, len - m[0].length, len));\n }\n }\n\n return direction == \"rtl\" ? order.reverse() : order\n }\n })();\n\n // Get the bidi ordering for the given line (and cache it). Returns\n // false for lines that are fully left-to-right, and an array of\n // BidiSpan objects otherwise.\n function getOrder(line, direction) {\n var order = line.order;\n if (order == null) { order = line.order = bidiOrdering(line.text, direction); }\n return order\n }\n\n // EVENT HANDLING\n\n // Lightweight event framework. on/off also work on DOM nodes,\n // registering native DOM handlers.\n\n var noHandlers = [];\n\n var on = function(emitter, type, f) {\n if (emitter.addEventListener) {\n emitter.addEventListener(type, f, false);\n } else if (emitter.attachEvent) {\n emitter.attachEvent(\"on\" + type, f);\n } else {\n var map = emitter._handlers || (emitter._handlers = {});\n map[type] = (map[type] || noHandlers).concat(f);\n }\n };\n\n function getHandlers(emitter, type) {\n return emitter._handlers && emitter._handlers[type] || noHandlers\n }\n\n function off(emitter, type, f) {\n if (emitter.removeEventListener) {\n emitter.removeEventListener(type, f, false);\n } else if (emitter.detachEvent) {\n emitter.detachEvent(\"on\" + type, f);\n } else {\n var map = emitter._handlers, arr = map && map[type];\n if (arr) {\n var index = indexOf(arr, f);\n if (index > -1)\n { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }\n }\n }\n }\n\n function signal(emitter, type /*, values...*/) {\n var handlers = getHandlers(emitter, type);\n if (!handlers.length) { return }\n var args = Array.prototype.slice.call(arguments, 2);\n for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }\n }\n\n // The DOM events that CodeMirror handles can be overridden by\n // registering a (non-DOM) handler on the editor for the event name,\n // and preventDefault-ing the event in that handler.\n function signalDOMEvent(cm, e, override) {\n if (typeof e == \"string\")\n { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }\n signal(cm, override || e.type, cm, e);\n return e_defaultPrevented(e) || e.codemirrorIgnore\n }\n\n function signalCursorActivity(cm) {\n var arr = cm._handlers && cm._handlers.cursorActivity;\n if (!arr) { return }\n var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);\n for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)\n { set.push(arr[i]); } }\n }\n\n function hasHandler(emitter, type) {\n return getHandlers(emitter, type).length > 0\n }\n\n // Add on and off methods to a constructor's prototype, to make\n // registering events on such objects more convenient.\n function eventMixin(ctor) {\n ctor.prototype.on = function(type, f) {on(this, type, f);};\n ctor.prototype.off = function(type, f) {off(this, type, f);};\n }\n\n // Due to the fact that we still support jurassic IE versions, some\n // compatibility wrappers are needed.\n\n function e_preventDefault(e) {\n if (e.preventDefault) { e.preventDefault(); }\n else { e.returnValue = false; }\n }\n function e_stopPropagation(e) {\n if (e.stopPropagation) { e.stopPropagation(); }\n else { e.cancelBubble = true; }\n }\n function e_defaultPrevented(e) {\n return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false\n }\n function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}\n\n function e_target(e) {return e.target || e.srcElement}\n function e_button(e) {\n var b = e.which;\n if (b == null) {\n if (e.button & 1) { b = 1; }\n else if (e.button & 2) { b = 3; }\n else if (e.button & 4) { b = 2; }\n }\n if (mac && e.ctrlKey && b == 1) { b = 3; }\n return b\n }\n\n // Detect drag-and-drop\n var dragAndDrop = function() {\n // There is *some* kind of drag-and-drop support in IE6-8, but I\n // couldn't get it to work yet.\n if (ie && ie_version < 9) { return false }\n var div = elt('div');\n return \"draggable\" in div || \"dragDrop\" in div\n }();\n\n var zwspSupported;\n function zeroWidthElement(measure) {\n if (zwspSupported == null) {\n var test = elt(\"span\", \"\\u200b\");\n removeChildrenAndAdd(measure, elt(\"span\", [test, document.createTextNode(\"x\")]));\n if (measure.firstChild.offsetHeight != 0)\n { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }\n }\n var node = zwspSupported ? elt(\"span\", \"\\u200b\") :\n elt(\"span\", \"\\u00a0\", null, \"display: inline-block; width: 1px; margin-right: -1px\");\n node.setAttribute(\"cm-text\", \"\");\n return node\n }\n\n // Feature-detect IE's crummy client rect reporting for bidi text\n var badBidiRects;\n function hasBadBidiRects(measure) {\n if (badBidiRects != null) { return badBidiRects }\n var txt = removeChildrenAndAdd(measure, document.createTextNode(\"A\\u062eA\"));\n var r0 = range(txt, 0, 1).getBoundingClientRect();\n var r1 = range(txt, 1, 2).getBoundingClientRect();\n removeChildren(measure);\n if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)\n return badBidiRects = (r1.right - r0.right < 3)\n }\n\n // See if \"\".split is the broken IE version, if so, provide an\n // alternative way to split lines.\n var splitLinesAuto = \"\\n\\nb\".split(/\\n/).length != 3 ? function (string) {\n var pos = 0, result = [], l = string.length;\n while (pos <= l) {\n var nl = string.indexOf(\"\\n\", pos);\n if (nl == -1) { nl = string.length; }\n var line = string.slice(pos, string.charAt(nl - 1) == \"\\r\" ? nl - 1 : nl);\n var rt = line.indexOf(\"\\r\");\n if (rt != -1) {\n result.push(line.slice(0, rt));\n pos += rt + 1;\n } else {\n result.push(line);\n pos = nl + 1;\n }\n }\n return result\n } : function (string) { return string.split(/\\r\\n?|\\n/); };\n\n var hasSelection = window.getSelection ? function (te) {\n try { return te.selectionStart != te.selectionEnd }\n catch(e) { return false }\n } : function (te) {\n var range;\n try {range = te.ownerDocument.selection.createRange();}\n catch(e) {}\n if (!range || range.parentElement() != te) { return false }\n return range.compareEndPoints(\"StartToEnd\", range) != 0\n };\n\n var hasCopyEvent = (function () {\n var e = elt(\"div\");\n if (\"oncopy\" in e) { return true }\n e.setAttribute(\"oncopy\", \"return;\");\n return typeof e.oncopy == \"function\"\n })();\n\n var badZoomedRects = null;\n function hasBadZoomedRects(measure) {\n if (badZoomedRects != null) { return badZoomedRects }\n var node = removeChildrenAndAdd(measure, elt(\"span\", \"x\"));\n var normal = node.getBoundingClientRect();\n var fromRange = range(node, 0, 1).getBoundingClientRect();\n return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1\n }\n\n // Known modes, by name and by MIME\n var modes = {}, mimeModes = {};\n\n // Extra arguments are stored as the mode's dependencies, which is\n // used by (legacy) mechanisms like loadmode.js to automatically\n // load a mode. (Preferred mechanism is the require/define calls.)\n function defineMode(name, mode) {\n if (arguments.length > 2)\n { mode.dependencies = Array.prototype.slice.call(arguments, 2); }\n modes[name] = mode;\n }\n\n function defineMIME(mime, spec) {\n mimeModes[mime] = spec;\n }\n\n // Given a MIME type, a {name, ...options} config object, or a name\n // string, return a mode config object.\n function resolveMode(spec) {\n if (typeof spec == \"string\" && mimeModes.hasOwnProperty(spec)) {\n spec = mimeModes[spec];\n } else if (spec && typeof spec.name == \"string\" && mimeModes.hasOwnProperty(spec.name)) {\n var found = mimeModes[spec.name];\n if (typeof found == \"string\") { found = {name: found}; }\n spec = createObj(found, spec);\n spec.name = found.name;\n } else if (typeof spec == \"string\" && /^[\\w\\-]+\\/[\\w\\-]+\\+xml$/.test(spec)) {\n return resolveMode(\"application/xml\")\n } else if (typeof spec == \"string\" && /^[\\w\\-]+\\/[\\w\\-]+\\+json$/.test(spec)) {\n return resolveMode(\"application/json\")\n }\n if (typeof spec == \"string\") { return {name: spec} }\n else { return spec || {name: \"null\"} }\n }\n\n // Given a mode spec (anything that resolveMode accepts), find and\n // initialize an actual mode object.\n function getMode(options, spec) {\n spec = resolveMode(spec);\n var mfactory = modes[spec.name];\n if (!mfactory) { return getMode(options, \"text/plain\") }\n var modeObj = mfactory(options, spec);\n if (modeExtensions.hasOwnProperty(spec.name)) {\n var exts = modeExtensions[spec.name];\n for (var prop in exts) {\n if (!exts.hasOwnProperty(prop)) { continue }\n if (modeObj.hasOwnProperty(prop)) { modeObj[\"_\" + prop] = modeObj[prop]; }\n modeObj[prop] = exts[prop];\n }\n }\n modeObj.name = spec.name;\n if (spec.helperType) { modeObj.helperType = spec.helperType; }\n if (spec.modeProps) { for (var prop$1 in spec.modeProps)\n { modeObj[prop$1] = spec.modeProps[prop$1]; } }\n\n return modeObj\n }\n\n // This can be used to attach properties to mode objects from\n // outside the actual mode definition.\n var modeExtensions = {};\n function extendMode(mode, properties) {\n var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});\n copyObj(properties, exts);\n }\n\n function copyState(mode, state) {\n if (state === true) { return state }\n if (mode.copyState) { return mode.copyState(state) }\n var nstate = {};\n for (var n in state) {\n var val = state[n];\n if (val instanceof Array) { val = val.concat([]); }\n nstate[n] = val;\n }\n return nstate\n }\n\n // Given a mode and a state (for that mode), find the inner mode and\n // state at the position that the state refers to.\n function innerMode(mode, state) {\n var info;\n while (mode.innerMode) {\n info = mode.innerMode(state);\n if (!info || info.mode == mode) { break }\n state = info.state;\n mode = info.mode;\n }\n return info || {mode: mode, state: state}\n }\n\n function startState(mode, a1, a2) {\n return mode.startState ? mode.startState(a1, a2) : true\n }\n\n // STRING STREAM\n\n // Fed to the mode parsers, provides helper functions to make\n // parsers more succinct.\n\n var StringStream = function(string, tabSize, lineOracle) {\n this.pos = this.start = 0;\n this.string = string;\n this.tabSize = tabSize || 8;\n this.lastColumnPos = this.lastColumnValue = 0;\n this.lineStart = 0;\n this.lineOracle = lineOracle;\n };\n\n StringStream.prototype.eol = function () {return this.pos >= this.string.length};\n StringStream.prototype.sol = function () {return this.pos == this.lineStart};\n StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};\n StringStream.prototype.next = function () {\n if (this.pos < this.string.length)\n { return this.string.charAt(this.pos++) }\n };\n StringStream.prototype.eat = function (match) {\n var ch = this.string.charAt(this.pos);\n var ok;\n if (typeof match == \"string\") { ok = ch == match; }\n else { ok = ch && (match.test ? match.test(ch) : match(ch)); }\n if (ok) {++this.pos; return ch}\n };\n StringStream.prototype.eatWhile = function (match) {\n var start = this.pos;\n while (this.eat(match)){}\n return this.pos > start\n };\n StringStream.prototype.eatSpace = function () {\n var start = this.pos;\n while (/[\\s\\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }\n return this.pos > start\n };\n StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};\n StringStream.prototype.skipTo = function (ch) {\n var found = this.string.indexOf(ch, this.pos);\n if (found > -1) {this.pos = found; return true}\n };\n StringStream.prototype.backUp = function (n) {this.pos -= n;};\n StringStream.prototype.column = function () {\n if (this.lastColumnPos < this.start) {\n this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);\n this.lastColumnPos = this.start;\n }\n return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n };\n StringStream.prototype.indentation = function () {\n return countColumn(this.string, null, this.tabSize) -\n (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n };\n StringStream.prototype.match = function (pattern, consume, caseInsensitive) {\n if (typeof pattern == \"string\") {\n var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };\n var substr = this.string.substr(this.pos, pattern.length);\n if (cased(substr) == cased(pattern)) {\n if (consume !== false) { this.pos += pattern.length; }\n return true\n }\n } else {\n var match = this.string.slice(this.pos).match(pattern);\n if (match && match.index > 0) { return null }\n if (match && consume !== false) { this.pos += match[0].length; }\n return match\n }\n };\n StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};\n StringStream.prototype.hideFirstChars = function (n, inner) {\n this.lineStart += n;\n try { return inner() }\n finally { this.lineStart -= n; }\n };\n StringStream.prototype.lookAhead = function (n) {\n var oracle = this.lineOracle;\n return oracle && oracle.lookAhead(n)\n };\n StringStream.prototype.baseToken = function () {\n var oracle = this.lineOracle;\n return oracle && oracle.baseToken(this.pos)\n };\n\n // Find the line object corresponding to the given line number.\n function getLine(doc, n) {\n n -= doc.first;\n if (n < 0 || n >= doc.size) { throw new Error(\"There is no line \" + (n + doc.first) + \" in the document.\") }\n var chunk = doc;\n while (!chunk.lines) {\n for (var i = 0;; ++i) {\n var child = chunk.children[i], sz = child.chunkSize();\n if (n < sz) { chunk = child; break }\n n -= sz;\n }\n }\n return chunk.lines[n]\n }\n\n // Get the part of a document between two positions, as an array of\n // strings.\n function getBetween(doc, start, end) {\n var out = [], n = start.line;\n doc.iter(start.line, end.line + 1, function (line) {\n var text = line.text;\n if (n == end.line) { text = text.slice(0, end.ch); }\n if (n == start.line) { text = text.slice(start.ch); }\n out.push(text);\n ++n;\n });\n return out\n }\n // Get the lines between from and to, as array of strings.\n function getLines(doc, from, to) {\n var out = [];\n doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value\n return out\n }\n\n // Update the height of a line, propagating the height change\n // upwards to parent nodes.\n function updateLineHeight(line, height) {\n var diff = height - line.height;\n if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }\n }\n\n // Given a line object, find its line number by walking up through\n // its parent links.\n function lineNo(line) {\n if (line.parent == null) { return null }\n var cur = line.parent, no = indexOf(cur.lines, line);\n for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {\n for (var i = 0;; ++i) {\n if (chunk.children[i] == cur) { break }\n no += chunk.children[i].chunkSize();\n }\n }\n return no + cur.first\n }\n\n // Find the line at the given vertical position, using the height\n // information in the document tree.\n function lineAtHeight(chunk, h) {\n var n = chunk.first;\n outer: do {\n for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {\n var child = chunk.children[i$1], ch = child.height;\n if (h < ch) { chunk = child; continue outer }\n h -= ch;\n n += child.chunkSize();\n }\n return n\n } while (!chunk.lines)\n var i = 0;\n for (; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i], lh = line.height;\n if (h < lh) { break }\n h -= lh;\n }\n return n + i\n }\n\n function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}\n\n function lineNumberFor(options, i) {\n return String(options.lineNumberFormatter(i + options.firstLineNumber))\n }\n\n // A Pos instance represents a position within the text.\n function Pos(line, ch, sticky) {\n if ( sticky === void 0 ) sticky = null;\n\n if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }\n this.line = line;\n this.ch = ch;\n this.sticky = sticky;\n }\n\n // Compare two positions, return 0 if they are the same, a negative\n // number when a is less, and a positive number otherwise.\n function cmp(a, b) { return a.line - b.line || a.ch - b.ch }\n\n function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }\n\n function copyPos(x) {return Pos(x.line, x.ch)}\n function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }\n function minPos(a, b) { return cmp(a, b) < 0 ? a : b }\n\n // Most of the external API clips given positions to make sure they\n // actually exist within the document.\n function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}\n function clipPos(doc, pos) {\n if (pos.line < doc.first) { return Pos(doc.first, 0) }\n var last = doc.first + doc.size - 1;\n if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }\n return clipToLen(pos, getLine(doc, pos.line).text.length)\n }\n function clipToLen(pos, linelen) {\n var ch = pos.ch;\n if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }\n else if (ch < 0) { return Pos(pos.line, 0) }\n else { return pos }\n }\n function clipPosArray(doc, array) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }\n return out\n }\n\n var SavedContext = function(state, lookAhead) {\n this.state = state;\n this.lookAhead = lookAhead;\n };\n\n var Context = function(doc, state, line, lookAhead) {\n this.state = state;\n this.doc = doc;\n this.line = line;\n this.maxLookAhead = lookAhead || 0;\n this.baseTokens = null;\n this.baseTokenPos = 1;\n };\n\n Context.prototype.lookAhead = function (n) {\n var line = this.doc.getLine(this.line + n);\n if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }\n return line\n };\n\n Context.prototype.baseToken = function (n) {\n if (!this.baseTokens) { return null }\n while (this.baseTokens[this.baseTokenPos] <= n)\n { this.baseTokenPos += 2; }\n var type = this.baseTokens[this.baseTokenPos + 1];\n return {type: type && type.replace(/( |^)overlay .*/, \"\"),\n size: this.baseTokens[this.baseTokenPos] - n}\n };\n\n Context.prototype.nextLine = function () {\n this.line++;\n if (this.maxLookAhead > 0) { this.maxLookAhead--; }\n };\n\n Context.fromSaved = function (doc, saved, line) {\n if (saved instanceof SavedContext)\n { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }\n else\n { return new Context(doc, copyState(doc.mode, saved), line) }\n };\n\n Context.prototype.save = function (copy) {\n var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;\n return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state\n };\n\n\n // Compute a style array (an array starting with a mode generation\n // -- for invalidation -- followed by pairs of end positions and\n // style strings), which is used to highlight the tokens on the\n // line.\n function highlightLine(cm, line, context, forceToEnd) {\n // A styles array always starts with a number identifying the\n // mode/overlays that it is based on (for easy invalidation).\n var st = [cm.state.modeGen], lineClasses = {};\n // Compute the base array of styles\n runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },\n lineClasses, forceToEnd);\n var state = context.state;\n\n // Run overlays, adjust style array.\n var loop = function ( o ) {\n context.baseTokens = st;\n var overlay = cm.state.overlays[o], i = 1, at = 0;\n context.state = true;\n runMode(cm, line.text, overlay.mode, context, function (end, style) {\n var start = i;\n // Ensure there's a token end at the current position, and that i points at it\n while (at < end) {\n var i_end = st[i];\n if (i_end > end)\n { st.splice(i, 1, end, st[i+1], i_end); }\n i += 2;\n at = Math.min(end, i_end);\n }\n if (!style) { return }\n if (overlay.opaque) {\n st.splice(start, i - start, end, \"overlay \" + style);\n i = start + 2;\n } else {\n for (; start < i; start += 2) {\n var cur = st[start+1];\n st[start+1] = (cur ? cur + \" \" : \"\") + \"overlay \" + style;\n }\n }\n }, lineClasses);\n context.state = state;\n context.baseTokens = null;\n context.baseTokenPos = 1;\n };\n\n for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );\n\n return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}\n }\n\n function getLineStyles(cm, line, updateFrontier) {\n if (!line.styles || line.styles[0] != cm.state.modeGen) {\n var context = getContextBefore(cm, lineNo(line));\n var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);\n var result = highlightLine(cm, line, context);\n if (resetState) { context.state = resetState; }\n line.stateAfter = context.save(!resetState);\n line.styles = result.styles;\n if (result.classes) { line.styleClasses = result.classes; }\n else if (line.styleClasses) { line.styleClasses = null; }\n if (updateFrontier === cm.doc.highlightFrontier)\n { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }\n }\n return line.styles\n }\n\n function getContextBefore(cm, n, precise) {\n var doc = cm.doc, display = cm.display;\n if (!doc.mode.startState) { return new Context(doc, true, n) }\n var start = findStartLine(cm, n, precise);\n var saved = start > doc.first && getLine(doc, start - 1).stateAfter;\n var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);\n\n doc.iter(start, n, function (line) {\n processLine(cm, line.text, context);\n var pos = context.line;\n line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;\n context.nextLine();\n });\n if (precise) { doc.modeFrontier = context.line; }\n return context\n }\n\n // Lightweight form of highlight -- proceed over this line and\n // update state, but don't save a style array. Used for lines that\n // aren't currently visible.\n function processLine(cm, text, context, startAt) {\n var mode = cm.doc.mode;\n var stream = new StringStream(text, cm.options.tabSize, context);\n stream.start = stream.pos = startAt || 0;\n if (text == \"\") { callBlankLine(mode, context.state); }\n while (!stream.eol()) {\n readToken(mode, stream, context.state);\n stream.start = stream.pos;\n }\n }\n\n function callBlankLine(mode, state) {\n if (mode.blankLine) { return mode.blankLine(state) }\n if (!mode.innerMode) { return }\n var inner = innerMode(mode, state);\n if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }\n }\n\n function readToken(mode, stream, state, inner) {\n for (var i = 0; i < 10; i++) {\n if (inner) { inner[0] = innerMode(mode, state).mode; }\n var style = mode.token(stream, state);\n if (stream.pos > stream.start) { return style }\n }\n throw new Error(\"Mode \" + mode.name + \" failed to advance stream.\")\n }\n\n var Token = function(stream, type, state) {\n this.start = stream.start; this.end = stream.pos;\n this.string = stream.current();\n this.type = type || null;\n this.state = state;\n };\n\n // Utility for getTokenAt and getLineTokens\n function takeToken(cm, pos, precise, asArray) {\n var doc = cm.doc, mode = doc.mode, style;\n pos = clipPos(doc, pos);\n var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);\n var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;\n if (asArray) { tokens = []; }\n while ((asArray || stream.pos < pos.ch) && !stream.eol()) {\n stream.start = stream.pos;\n style = readToken(mode, stream, context.state);\n if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }\n }\n return asArray ? tokens : new Token(stream, style, context.state)\n }\n\n function extractLineClasses(type, output) {\n if (type) { for (;;) {\n var lineClass = type.match(/(?:^|\\s+)line-(background-)?(\\S+)/);\n if (!lineClass) { break }\n type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);\n var prop = lineClass[1] ? \"bgClass\" : \"textClass\";\n if (output[prop] == null)\n { output[prop] = lineClass[2]; }\n else if (!(new RegExp(\"(?:^|\\\\s)\" + lineClass[2] + \"(?:$|\\\\s)\")).test(output[prop]))\n { output[prop] += \" \" + lineClass[2]; }\n } }\n return type\n }\n\n // Run the given mode's parser over a line, calling f for each token.\n function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {\n var flattenSpans = mode.flattenSpans;\n if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }\n var curStart = 0, curStyle = null;\n var stream = new StringStream(text, cm.options.tabSize, context), style;\n var inner = cm.options.addModeClass && [null];\n if (text == \"\") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }\n while (!stream.eol()) {\n if (stream.pos > cm.options.maxHighlightLength) {\n flattenSpans = false;\n if (forceToEnd) { processLine(cm, text, context, stream.pos); }\n stream.pos = text.length;\n style = null;\n } else {\n style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);\n }\n if (inner) {\n var mName = inner[0].name;\n if (mName) { style = \"m-\" + (style ? mName + \" \" + style : mName); }\n }\n if (!flattenSpans || curStyle != style) {\n while (curStart < stream.start) {\n curStart = Math.min(stream.start, curStart + 5000);\n f(curStart, curStyle);\n }\n curStyle = style;\n }\n stream.start = stream.pos;\n }\n while (curStart < stream.pos) {\n // Webkit seems to refuse to render text nodes longer than 57444\n // characters, and returns inaccurate measurements in nodes\n // starting around 5000 chars.\n var pos = Math.min(stream.pos, curStart + 5000);\n f(pos, curStyle);\n curStart = pos;\n }\n }\n\n // Finds the line to start with when starting a parse. Tries to\n // find a line with a stateAfter, so that it can start with a\n // valid state. If that fails, it returns the line with the\n // smallest indentation, which tends to need the least context to\n // parse correctly.\n function findStartLine(cm, n, precise) {\n var minindent, minline, doc = cm.doc;\n var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);\n for (var search = n; search > lim; --search) {\n if (search <= doc.first) { return doc.first }\n var line = getLine(doc, search - 1), after = line.stateAfter;\n if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))\n { return search }\n var indented = countColumn(line.text, null, cm.options.tabSize);\n if (minline == null || minindent > indented) {\n minline = search - 1;\n minindent = indented;\n }\n }\n return minline\n }\n\n function retreatFrontier(doc, n) {\n doc.modeFrontier = Math.min(doc.modeFrontier, n);\n if (doc.highlightFrontier < n - 10) { return }\n var start = doc.first;\n for (var line = n - 1; line > start; line--) {\n var saved = getLine(doc, line).stateAfter;\n // change is on 3\n // state on line 1 looked ahead 2 -- so saw 3\n // test 1 + 2 < 3 should cover this\n if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {\n start = line + 1;\n break\n }\n }\n doc.highlightFrontier = Math.min(doc.highlightFrontier, start);\n }\n\n // Optimize some code when these features are not used.\n var sawReadOnlySpans = false, sawCollapsedSpans = false;\n\n function seeReadOnlySpans() {\n sawReadOnlySpans = true;\n }\n\n function seeCollapsedSpans() {\n sawCollapsedSpans = true;\n }\n\n // TEXTMARKER SPANS\n\n function MarkedSpan(marker, from, to) {\n this.marker = marker;\n this.from = from; this.to = to;\n }\n\n // Search an array of spans for a span matching the given marker.\n function getMarkedSpanFor(spans, marker) {\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.marker == marker) { return span }\n } }\n }\n\n // Remove a span from an array, returning undefined if no spans are\n // left (we don't store arrays for lines without spans).\n function removeMarkedSpan(spans, span) {\n var r;\n for (var i = 0; i < spans.length; ++i)\n { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }\n return r\n }\n\n // Add a span to a line.\n function addMarkedSpan(line, span, op) {\n var inThisOp = op && window.WeakSet && (op.markedSpans || (op.markedSpans = new WeakSet));\n if (inThisOp && line.markedSpans && inThisOp.has(line.markedSpans)) {\n line.markedSpans.push(span);\n } else {\n line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];\n if (inThisOp) { inThisOp.add(line.markedSpans); }\n }\n span.marker.attachLine(line);\n }\n\n // Used for the algorithm that adjusts markers for a change in the\n // document. These functions cut an array of spans at a given\n // character position, returning an array of remaining chunks (or\n // undefined if nothing remains).\n function markedSpansBefore(old, startCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);\n if (startsBefore || span.from == startCh && marker.type == \"bookmark\" && (!isInsert || !span.marker.insertLeft)) {\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)\n ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));\n }\n } }\n return nw\n }\n function markedSpansAfter(old, endCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);\n if (endsAfter || span.from == endCh && marker.type == \"bookmark\" && (!isInsert || span.marker.insertLeft)) {\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)\n ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,\n span.to == null ? null : span.to - endCh));\n }\n } }\n return nw\n }\n\n // Given a change object, compute the new set of marker spans that\n // cover the line in which the change took place. Removes spans\n // entirely within the change, reconnects spans belonging to the\n // same marker that appear on both sides of the change, and cuts off\n // spans partially within the change. Returns an array of span\n // arrays with one element for each line in (after) the change.\n function stretchSpansOverChange(doc, change) {\n if (change.full) { return null }\n var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;\n var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;\n if (!oldFirst && !oldLast) { return null }\n\n var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;\n // Get the spans that 'stick out' on both sides\n var first = markedSpansBefore(oldFirst, startCh, isInsert);\n var last = markedSpansAfter(oldLast, endCh, isInsert);\n\n // Next, merge those two ends\n var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);\n if (first) {\n // Fix up .to properties of first\n for (var i = 0; i < first.length; ++i) {\n var span = first[i];\n if (span.to == null) {\n var found = getMarkedSpanFor(last, span.marker);\n if (!found) { span.to = startCh; }\n else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }\n }\n }\n }\n if (last) {\n // Fix up .from in last (or move them into first in case of sameLine)\n for (var i$1 = 0; i$1 < last.length; ++i$1) {\n var span$1 = last[i$1];\n if (span$1.to != null) { span$1.to += offset; }\n if (span$1.from == null) {\n var found$1 = getMarkedSpanFor(first, span$1.marker);\n if (!found$1) {\n span$1.from = offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n } else {\n span$1.from += offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n }\n }\n // Make sure we didn't create any zero-length spans\n if (first) { first = clearEmptySpans(first); }\n if (last && last != first) { last = clearEmptySpans(last); }\n\n var newMarkers = [first];\n if (!sameLine) {\n // Fill gap with whole-line-spans\n var gap = change.text.length - 2, gapMarkers;\n if (gap > 0 && first)\n { for (var i$2 = 0; i$2 < first.length; ++i$2)\n { if (first[i$2].to == null)\n { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }\n for (var i$3 = 0; i$3 < gap; ++i$3)\n { newMarkers.push(gapMarkers); }\n newMarkers.push(last);\n }\n return newMarkers\n }\n\n // Remove spans that are empty and don't have a clearWhenEmpty\n // option of false.\n function clearEmptySpans(spans) {\n for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)\n { spans.splice(i--, 1); }\n }\n if (!spans.length) { return null }\n return spans\n }\n\n // Used to 'clip' out readOnly ranges when making a change.\n function removeReadOnlyRanges(doc, from, to) {\n var markers = null;\n doc.iter(from.line, to.line + 1, function (line) {\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var mark = line.markedSpans[i].marker;\n if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))\n { (markers || (markers = [])).push(mark); }\n } }\n });\n if (!markers) { return null }\n var parts = [{from: from, to: to}];\n for (var i = 0; i < markers.length; ++i) {\n var mk = markers[i], m = mk.find(0);\n for (var j = 0; j < parts.length; ++j) {\n var p = parts[j];\n if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }\n var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);\n if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)\n { newParts.push({from: p.from, to: m.from}); }\n if (dto > 0 || !mk.inclusiveRight && !dto)\n { newParts.push({from: m.to, to: p.to}); }\n parts.splice.apply(parts, newParts);\n j += newParts.length - 3;\n }\n }\n return parts\n }\n\n // Connect or disconnect spans from a line.\n function detachMarkedSpans(line) {\n var spans = line.markedSpans;\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.detachLine(line); }\n line.markedSpans = null;\n }\n function attachMarkedSpans(line, spans) {\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.attachLine(line); }\n line.markedSpans = spans;\n }\n\n // Helpers used when computing which overlapping collapsed span\n // counts as the larger one.\n function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }\n function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }\n\n // Returns a number indicating which of two overlapping collapsed\n // spans is larger (and thus includes the other). Falls back to\n // comparing ids when the spans cover exactly the same range.\n function compareCollapsedMarkers(a, b) {\n var lenDiff = a.lines.length - b.lines.length;\n if (lenDiff != 0) { return lenDiff }\n var aPos = a.find(), bPos = b.find();\n var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);\n if (fromCmp) { return -fromCmp }\n var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);\n if (toCmp) { return toCmp }\n return b.id - a.id\n }\n\n // Find out whether a line ends or starts in a collapsed span. If\n // so, return the marker for that span.\n function collapsedSpanAtSide(line, start) {\n var sps = sawCollapsedSpans && line.markedSpans, found;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&\n (!found || compareCollapsedMarkers(found, sp.marker) < 0))\n { found = sp.marker; }\n } }\n return found\n }\n function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }\n function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }\n\n function collapsedSpanAround(line, ch) {\n var sps = sawCollapsedSpans && line.markedSpans, found;\n if (sps) { for (var i = 0; i < sps.length; ++i) {\n var sp = sps[i];\n if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&\n (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; }\n } }\n return found\n }\n\n // Test whether there exists a collapsed span that partially\n // overlaps (covers the start or end, but not both) of a new span.\n // Such overlap is not allowed.\n function conflictingCollapsedRange(doc, lineNo, from, to, marker) {\n var line = getLine(doc, lineNo);\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i) {\n var sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n var found = sp.marker.find(0);\n var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);\n var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);\n if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }\n if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||\n fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))\n { return true }\n } }\n }\n\n // A visual line is a line as drawn on the screen. Folding, for\n // example, can cause multiple logical lines to appear on the same\n // visual line. This finds the start of the visual line that the\n // given line is part of (usually that is the line itself).\n function visualLine(line) {\n var merged;\n while (merged = collapsedSpanAtStart(line))\n { line = merged.find(-1, true).line; }\n return line\n }\n\n function visualLineEnd(line) {\n var merged;\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return line\n }\n\n // Returns an array of logical lines that continue the visual line\n // started by the argument, or undefined if there are no such lines.\n function visualLineContinued(line) {\n var merged, lines;\n while (merged = collapsedSpanAtEnd(line)) {\n line = merged.find(1, true).line\n ;(lines || (lines = [])).push(line);\n }\n return lines\n }\n\n // Get the line number of the start of the visual line that the\n // given line number is part of.\n function visualLineNo(doc, lineN) {\n var line = getLine(doc, lineN), vis = visualLine(line);\n if (line == vis) { return lineN }\n return lineNo(vis)\n }\n\n // Get the line number of the start of the next visual line after\n // the given line.\n function visualLineEndNo(doc, lineN) {\n if (lineN > doc.lastLine()) { return lineN }\n var line = getLine(doc, lineN), merged;\n if (!lineIsHidden(doc, line)) { return lineN }\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return lineNo(line) + 1\n }\n\n // Compute whether a line is hidden. Lines count as hidden when they\n // are part of a visual line that starts with another line, or when\n // they are entirely covered by collapsed, non-widget span.\n function lineIsHidden(doc, line) {\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n if (sp.from == null) { return true }\n if (sp.marker.widgetNode) { continue }\n if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))\n { return true }\n } }\n }\n function lineIsHiddenInner(doc, line, span) {\n if (span.to == null) {\n var end = span.marker.find(1, true);\n return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))\n }\n if (span.marker.inclusiveRight && span.to == line.text.length)\n { return true }\n for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {\n sp = line.markedSpans[i];\n if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&\n (sp.to == null || sp.to != span.from) &&\n (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&\n lineIsHiddenInner(doc, line, sp)) { return true }\n }\n }\n\n // Find the height above the given line.\n function heightAtLine(lineObj) {\n lineObj = visualLine(lineObj);\n\n var h = 0, chunk = lineObj.parent;\n for (var i = 0; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i];\n if (line == lineObj) { break }\n else { h += line.height; }\n }\n for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {\n for (var i$1 = 0; i$1 < p.children.length; ++i$1) {\n var cur = p.children[i$1];\n if (cur == chunk) { break }\n else { h += cur.height; }\n }\n }\n return h\n }\n\n // Compute the character length of a line, taking into account\n // collapsed ranges (see markText) that might hide parts, and join\n // other lines onto it.\n function lineLength(line) {\n if (line.height == 0) { return 0 }\n var len = line.text.length, merged, cur = line;\n while (merged = collapsedSpanAtStart(cur)) {\n var found = merged.find(0, true);\n cur = found.from.line;\n len += found.from.ch - found.to.ch;\n }\n cur = line;\n while (merged = collapsedSpanAtEnd(cur)) {\n var found$1 = merged.find(0, true);\n len -= cur.text.length - found$1.from.ch;\n cur = found$1.to.line;\n len += cur.text.length - found$1.to.ch;\n }\n return len\n }\n\n // Find the longest line in the document.\n function findMaxLine(cm) {\n var d = cm.display, doc = cm.doc;\n d.maxLine = getLine(doc, doc.first);\n d.maxLineLength = lineLength(d.maxLine);\n d.maxLineChanged = true;\n doc.iter(function (line) {\n var len = lineLength(line);\n if (len > d.maxLineLength) {\n d.maxLineLength = len;\n d.maxLine = line;\n }\n });\n }\n\n // LINE DATA STRUCTURE\n\n // Line objects. These hold state related to a line, including\n // highlighting info (the styles array).\n var Line = function(text, markedSpans, estimateHeight) {\n this.text = text;\n attachMarkedSpans(this, markedSpans);\n this.height = estimateHeight ? estimateHeight(this) : 1;\n };\n\n Line.prototype.lineNo = function () { return lineNo(this) };\n eventMixin(Line);\n\n // Change the content (text, markers) of a line. Automatically\n // invalidates cached information and tries to re-estimate the\n // line's height.\n function updateLine(line, text, markedSpans, estimateHeight) {\n line.text = text;\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n if (line.order != null) { line.order = null; }\n detachMarkedSpans(line);\n attachMarkedSpans(line, markedSpans);\n var estHeight = estimateHeight ? estimateHeight(line) : 1;\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n }\n\n // Detach a line from the document tree and its markers.\n function cleanUpLine(line) {\n line.parent = null;\n detachMarkedSpans(line);\n }\n\n // Convert a style as returned by a mode (either null, or a string\n // containing one or more styles) to a CSS style. This is cached,\n // and also looks for line-wide styles.\n var styleToClassCache = {}, styleToClassCacheWithMode = {};\n function interpretTokenStyle(style, options) {\n if (!style || /^\\s*$/.test(style)) { return null }\n var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;\n return cache[style] ||\n (cache[style] = style.replace(/\\S+/g, \"cm-$&\"))\n }\n\n // Render the DOM representation of the text of a line. Also builds\n // up a 'line map', which points at the DOM nodes that represent\n // specific stretches of text, and is used by the measuring code.\n // The returned object contains the DOM node, this map, and\n // information about line-wide styles that were set by the mode.\n function buildLineContent(cm, lineView) {\n // The padding-right forces the element to have a 'border', which\n // is needed on Webkit to be able to get line-level bounding\n // rectangles for it (in measureChar).\n var content = eltP(\"span\", null, null, webkit ? \"padding-right: .1px\" : null);\n var builder = {pre: eltP(\"pre\", [content], \"CodeMirror-line\"), content: content,\n col: 0, pos: 0, cm: cm,\n trailingSpace: false,\n splitSpaces: cm.getOption(\"lineWrapping\")};\n lineView.measure = {};\n\n // Iterate over the logical lines that make up this visual line.\n for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {\n var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);\n builder.pos = 0;\n builder.addToken = buildToken;\n // Optionally wire in some hacks into the token-rendering\n // algorithm, to deal with browser quirks.\n if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))\n { builder.addToken = buildTokenBadBidi(builder.addToken, order); }\n builder.map = [];\n var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);\n insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));\n if (line.styleClasses) {\n if (line.styleClasses.bgClass)\n { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || \"\"); }\n if (line.styleClasses.textClass)\n { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || \"\"); }\n }\n\n // Ensure at least a single node is present, for measuring.\n if (builder.map.length == 0)\n { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }\n\n // Store the map and a cache object for the current logical line\n if (i == 0) {\n lineView.measure.map = builder.map;\n lineView.measure.cache = {};\n } else {\n (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)\n ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});\n }\n }\n\n // See issue #2901\n if (webkit) {\n var last = builder.content.lastChild;\n if (/\\bcm-tab\\b/.test(last.className) || (last.querySelector && last.querySelector(\".cm-tab\")))\n { builder.content.className = \"cm-tab-wrap-hack\"; }\n }\n\n signal(cm, \"renderLine\", cm, lineView.line, builder.pre);\n if (builder.pre.className)\n { builder.textClass = joinClasses(builder.pre.className, builder.textClass || \"\"); }\n\n return builder\n }\n\n function defaultSpecialCharPlaceholder(ch) {\n var token = elt(\"span\", \"\\u2022\", \"cm-invalidchar\");\n token.title = \"\\\\u\" + ch.charCodeAt(0).toString(16);\n token.setAttribute(\"aria-label\", token.title);\n return token\n }\n\n // Build up the DOM representation for a single token, and add it to\n // the line map. Takes care to render special characters separately.\n function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {\n if (!text) { return }\n var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;\n var special = builder.cm.state.specialChars, mustWrap = false;\n var content;\n if (!special.test(text)) {\n builder.col += text.length;\n content = document.createTextNode(displayText);\n builder.map.push(builder.pos, builder.pos + text.length, content);\n if (ie && ie_version < 9) { mustWrap = true; }\n builder.pos += text.length;\n } else {\n content = document.createDocumentFragment();\n var pos = 0;\n while (true) {\n special.lastIndex = pos;\n var m = special.exec(text);\n var skipped = m ? m.index - pos : text.length - pos;\n if (skipped) {\n var txt = document.createTextNode(displayText.slice(pos, pos + skipped));\n if (ie && ie_version < 9) { content.appendChild(elt(\"span\", [txt])); }\n else { content.appendChild(txt); }\n builder.map.push(builder.pos, builder.pos + skipped, txt);\n builder.col += skipped;\n builder.pos += skipped;\n }\n if (!m) { break }\n pos += skipped + 1;\n var txt$1 = (void 0);\n if (m[0] == \"\\t\") {\n var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;\n txt$1 = content.appendChild(elt(\"span\", spaceStr(tabWidth), \"cm-tab\"));\n txt$1.setAttribute(\"role\", \"presentation\");\n txt$1.setAttribute(\"cm-text\", \"\\t\");\n builder.col += tabWidth;\n } else if (m[0] == \"\\r\" || m[0] == \"\\n\") {\n txt$1 = content.appendChild(elt(\"span\", m[0] == \"\\r\" ? \"\\u240d\" : \"\\u2424\", \"cm-invalidchar\"));\n txt$1.setAttribute(\"cm-text\", m[0]);\n builder.col += 1;\n } else {\n txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);\n txt$1.setAttribute(\"cm-text\", m[0]);\n if (ie && ie_version < 9) { content.appendChild(elt(\"span\", [txt$1])); }\n else { content.appendChild(txt$1); }\n builder.col += 1;\n }\n builder.map.push(builder.pos, builder.pos + 1, txt$1);\n builder.pos++;\n }\n }\n builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;\n if (style || startStyle || endStyle || mustWrap || css || attributes) {\n var fullStyle = style || \"\";\n if (startStyle) { fullStyle += startStyle; }\n if (endStyle) { fullStyle += endStyle; }\n var token = elt(\"span\", [content], fullStyle, css);\n if (attributes) {\n for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != \"style\" && attr != \"class\")\n { token.setAttribute(attr, attributes[attr]); } }\n }\n return builder.content.appendChild(token)\n }\n builder.content.appendChild(content);\n }\n\n // Change some spaces to NBSP to prevent the browser from collapsing\n // trailing spaces at the end of a line when rendering text (issue #1362).\n function splitSpaces(text, trailingBefore) {\n if (text.length > 1 && !/ /.test(text)) { return text }\n var spaceBefore = trailingBefore, result = \"\";\n for (var i = 0; i < text.length; i++) {\n var ch = text.charAt(i);\n if (ch == \" \" && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))\n { ch = \"\\u00a0\"; }\n result += ch;\n spaceBefore = ch == \" \";\n }\n return result\n }\n\n // Work around nonsense dimensions being reported for stretches of\n // right-to-left text.\n function buildTokenBadBidi(inner, order) {\n return function (builder, text, style, startStyle, endStyle, css, attributes) {\n style = style ? style + \" cm-force-border\" : \"cm-force-border\";\n var start = builder.pos, end = start + text.length;\n for (;;) {\n // Find the part that overlaps with the start of this text\n var part = (void 0);\n for (var i = 0; i < order.length; i++) {\n part = order[i];\n if (part.to > start && part.from <= start) { break }\n }\n if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) }\n inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes);\n startStyle = null;\n text = text.slice(part.to - start);\n start = part.to;\n }\n }\n }\n\n function buildCollapsedSpan(builder, size, marker, ignoreWidget) {\n var widget = !ignoreWidget && marker.widgetNode;\n if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }\n if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {\n if (!widget)\n { widget = builder.content.appendChild(document.createElement(\"span\")); }\n widget.setAttribute(\"cm-marker\", marker.id);\n }\n if (widget) {\n builder.cm.display.input.setUneditable(widget);\n builder.content.appendChild(widget);\n }\n builder.pos += size;\n builder.trailingSpace = false;\n }\n\n // Outputs a number of spans to make up a line, taking highlighting\n // and marked text into account.\n function insertLineContent(line, builder, styles) {\n var spans = line.markedSpans, allText = line.text, at = 0;\n if (!spans) {\n for (var i$1 = 1; i$1 < styles.length; i$1+=2)\n { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }\n return\n }\n\n var len = allText.length, pos = 0, i = 1, text = \"\", style, css;\n var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes;\n for (;;) {\n if (nextChange == pos) { // Update current marker set\n spanStyle = spanEndStyle = spanStartStyle = css = \"\";\n attributes = null;\n collapsed = null; nextChange = Infinity;\n var foundBookmarks = [], endStyles = (void 0);\n for (var j = 0; j < spans.length; ++j) {\n var sp = spans[j], m = sp.marker;\n if (m.type == \"bookmark\" && sp.from == pos && m.widgetNode) {\n foundBookmarks.push(m);\n } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {\n if (sp.to != null && sp.to != pos && nextChange > sp.to) {\n nextChange = sp.to;\n spanEndStyle = \"\";\n }\n if (m.className) { spanStyle += \" \" + m.className; }\n if (m.css) { css = (css ? css + \";\" : \"\") + m.css; }\n if (m.startStyle && sp.from == pos) { spanStartStyle += \" \" + m.startStyle; }\n if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }\n // support for the old title property\n // https://github.com/codemirror/CodeMirror/pull/5673\n if (m.title) { (attributes || (attributes = {})).title = m.title; }\n if (m.attributes) {\n for (var attr in m.attributes)\n { (attributes || (attributes = {}))[attr] = m.attributes[attr]; }\n }\n if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))\n { collapsed = sp; }\n } else if (sp.from > pos && nextChange > sp.from) {\n nextChange = sp.from;\n }\n }\n if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)\n { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += \" \" + endStyles[j$1]; } } }\n\n if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)\n { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }\n if (collapsed && (collapsed.from || 0) == pos) {\n buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,\n collapsed.marker, collapsed.from == null);\n if (collapsed.to == null) { return }\n if (collapsed.to == pos) { collapsed = false; }\n }\n }\n if (pos >= len) { break }\n\n var upto = Math.min(len, nextChange);\n while (true) {\n if (text) {\n var end = pos + text.length;\n if (!collapsed) {\n var tokenText = end > upto ? text.slice(0, upto - pos) : text;\n builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,\n spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : \"\", css, attributes);\n }\n if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}\n pos = end;\n spanStartStyle = \"\";\n }\n text = allText.slice(at, at = styles[i++]);\n style = interpretTokenStyle(styles[i++], builder.cm.options);\n }\n }\n }\n\n\n // These objects are used to represent the visible (currently drawn)\n // part of the document. A LineView may correspond to multiple\n // logical lines, if those are connected by collapsed ranges.\n function LineView(doc, line, lineN) {\n // The starting line\n this.line = line;\n // Continuing lines, if any\n this.rest = visualLineContinued(line);\n // Number of logical lines in this visual line\n this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;\n this.node = this.text = null;\n this.hidden = lineIsHidden(doc, line);\n }\n\n // Create a range of LineView objects for the given lines.\n function buildViewArray(cm, from, to) {\n var array = [], nextPos;\n for (var pos = from; pos < to; pos = nextPos) {\n var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);\n nextPos = pos + view.size;\n array.push(view);\n }\n return array\n }\n\n var operationGroup = null;\n\n function pushOperation(op) {\n if (operationGroup) {\n operationGroup.ops.push(op);\n } else {\n op.ownsGroup = operationGroup = {\n ops: [op],\n delayedCallbacks: []\n };\n }\n }\n\n function fireCallbacksForOps(group) {\n // Calls delayed callbacks and cursorActivity handlers until no\n // new ones appear\n var callbacks = group.delayedCallbacks, i = 0;\n do {\n for (; i < callbacks.length; i++)\n { callbacks[i].call(null); }\n for (var j = 0; j < group.ops.length; j++) {\n var op = group.ops[j];\n if (op.cursorActivityHandlers)\n { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)\n { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }\n }\n } while (i < callbacks.length)\n }\n\n function finishOperation(op, endCb) {\n var group = op.ownsGroup;\n if (!group) { return }\n\n try { fireCallbacksForOps(group); }\n finally {\n operationGroup = null;\n endCb(group);\n }\n }\n\n var orphanDelayedCallbacks = null;\n\n // Often, we want to signal events at a point where we are in the\n // middle of some work, but don't want the handler to start calling\n // other methods on the editor, which might be in an inconsistent\n // state or simply not expect any other events to happen.\n // signalLater looks whether there are any handlers, and schedules\n // them to be executed when the last operation ends, or, if no\n // operation is active, when a timeout fires.\n function signalLater(emitter, type /*, values...*/) {\n var arr = getHandlers(emitter, type);\n if (!arr.length) { return }\n var args = Array.prototype.slice.call(arguments, 2), list;\n if (operationGroup) {\n list = operationGroup.delayedCallbacks;\n } else if (orphanDelayedCallbacks) {\n list = orphanDelayedCallbacks;\n } else {\n list = orphanDelayedCallbacks = [];\n setTimeout(fireOrphanDelayed, 0);\n }\n var loop = function ( i ) {\n list.push(function () { return arr[i].apply(null, args); });\n };\n\n for (var i = 0; i < arr.length; ++i)\n loop( i );\n }\n\n function fireOrphanDelayed() {\n var delayed = orphanDelayedCallbacks;\n orphanDelayedCallbacks = null;\n for (var i = 0; i < delayed.length; ++i) { delayed[i](); }\n }\n\n // When an aspect of a line changes, a string is added to\n // lineView.changes. This updates the relevant part of the line's\n // DOM structure.\n function updateLineForChanges(cm, lineView, lineN, dims) {\n for (var j = 0; j < lineView.changes.length; j++) {\n var type = lineView.changes[j];\n if (type == \"text\") { updateLineText(cm, lineView); }\n else if (type == \"gutter\") { updateLineGutter(cm, lineView, lineN, dims); }\n else if (type == \"class\") { updateLineClasses(cm, lineView); }\n else if (type == \"widget\") { updateLineWidgets(cm, lineView, dims); }\n }\n lineView.changes = null;\n }\n\n // Lines with gutter elements, widgets or a background class need to\n // be wrapped, and have the extra elements added to the wrapper div\n function ensureLineWrapped(lineView) {\n if (lineView.node == lineView.text) {\n lineView.node = elt(\"div\", null, null, \"position: relative\");\n if (lineView.text.parentNode)\n { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }\n lineView.node.appendChild(lineView.text);\n if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }\n }\n return lineView.node\n }\n\n function updateLineBackground(cm, lineView) {\n var cls = lineView.bgClass ? lineView.bgClass + \" \" + (lineView.line.bgClass || \"\") : lineView.line.bgClass;\n if (cls) { cls += \" CodeMirror-linebackground\"; }\n if (lineView.background) {\n if (cls) { lineView.background.className = cls; }\n else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }\n } else if (cls) {\n var wrap = ensureLineWrapped(lineView);\n lineView.background = wrap.insertBefore(elt(\"div\", null, cls), wrap.firstChild);\n cm.display.input.setUneditable(lineView.background);\n }\n }\n\n // Wrapper around buildLineContent which will reuse the structure\n // in display.externalMeasured when possible.\n function getLineContent(cm, lineView) {\n var ext = cm.display.externalMeasured;\n if (ext && ext.line == lineView.line) {\n cm.display.externalMeasured = null;\n lineView.measure = ext.measure;\n return ext.built\n }\n return buildLineContent(cm, lineView)\n }\n\n // Redraw the line's text. Interacts with the background and text\n // classes because the mode may output tokens that influence these\n // classes.\n function updateLineText(cm, lineView) {\n var cls = lineView.text.className;\n var built = getLineContent(cm, lineView);\n if (lineView.text == lineView.node) { lineView.node = built.pre; }\n lineView.text.parentNode.replaceChild(built.pre, lineView.text);\n lineView.text = built.pre;\n if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {\n lineView.bgClass = built.bgClass;\n lineView.textClass = built.textClass;\n updateLineClasses(cm, lineView);\n } else if (cls) {\n lineView.text.className = cls;\n }\n }\n\n function updateLineClasses(cm, lineView) {\n updateLineBackground(cm, lineView);\n if (lineView.line.wrapClass)\n { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }\n else if (lineView.node != lineView.text)\n { lineView.node.className = \"\"; }\n var textClass = lineView.textClass ? lineView.textClass + \" \" + (lineView.line.textClass || \"\") : lineView.line.textClass;\n lineView.text.className = textClass || \"\";\n }\n\n function updateLineGutter(cm, lineView, lineN, dims) {\n if (lineView.gutter) {\n lineView.node.removeChild(lineView.gutter);\n lineView.gutter = null;\n }\n if (lineView.gutterBackground) {\n lineView.node.removeChild(lineView.gutterBackground);\n lineView.gutterBackground = null;\n }\n if (lineView.line.gutterClass) {\n var wrap = ensureLineWrapped(lineView);\n lineView.gutterBackground = elt(\"div\", null, \"CodeMirror-gutter-background \" + lineView.line.gutterClass,\n (\"left: \" + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + \"px; width: \" + (dims.gutterTotalWidth) + \"px\"));\n cm.display.input.setUneditable(lineView.gutterBackground);\n wrap.insertBefore(lineView.gutterBackground, lineView.text);\n }\n var markers = lineView.line.gutterMarkers;\n if (cm.options.lineNumbers || markers) {\n var wrap$1 = ensureLineWrapped(lineView);\n var gutterWrap = lineView.gutter = elt(\"div\", null, \"CodeMirror-gutter-wrapper\", (\"left: \" + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + \"px\"));\n gutterWrap.setAttribute(\"aria-hidden\", \"true\");\n cm.display.input.setUneditable(gutterWrap);\n wrap$1.insertBefore(gutterWrap, lineView.text);\n if (lineView.line.gutterClass)\n { gutterWrap.className += \" \" + lineView.line.gutterClass; }\n if (cm.options.lineNumbers && (!markers || !markers[\"CodeMirror-linenumbers\"]))\n { lineView.lineNumber = gutterWrap.appendChild(\n elt(\"div\", lineNumberFor(cm.options, lineN),\n \"CodeMirror-linenumber CodeMirror-gutter-elt\",\n (\"left: \" + (dims.gutterLeft[\"CodeMirror-linenumbers\"]) + \"px; width: \" + (cm.display.lineNumInnerWidth) + \"px\"))); }\n if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) {\n var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id];\n if (found)\n { gutterWrap.appendChild(elt(\"div\", [found], \"CodeMirror-gutter-elt\",\n (\"left: \" + (dims.gutterLeft[id]) + \"px; width: \" + (dims.gutterWidth[id]) + \"px\"))); }\n } }\n }\n }\n\n function updateLineWidgets(cm, lineView, dims) {\n if (lineView.alignable) { lineView.alignable = null; }\n var isWidget = classTest(\"CodeMirror-linewidget\");\n for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {\n next = node.nextSibling;\n if (isWidget.test(node.className)) { lineView.node.removeChild(node); }\n }\n insertLineWidgets(cm, lineView, dims);\n }\n\n // Build a line's DOM representation from scratch\n function buildLineElement(cm, lineView, lineN, dims) {\n var built = getLineContent(cm, lineView);\n lineView.text = lineView.node = built.pre;\n if (built.bgClass) { lineView.bgClass = built.bgClass; }\n if (built.textClass) { lineView.textClass = built.textClass; }\n\n updateLineClasses(cm, lineView);\n updateLineGutter(cm, lineView, lineN, dims);\n insertLineWidgets(cm, lineView, dims);\n return lineView.node\n }\n\n // A lineView may contain multiple logical lines (when merged by\n // collapsed spans). The widgets for all of them need to be drawn.\n function insertLineWidgets(cm, lineView, dims) {\n insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }\n }\n\n function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {\n if (!line.widgets) { return }\n var wrap = ensureLineWrapped(lineView);\n for (var i = 0, ws = line.widgets; i < ws.length; ++i) {\n var widget = ws[i], node = elt(\"div\", [widget.node], \"CodeMirror-linewidget\" + (widget.className ? \" \" + widget.className : \"\"));\n if (!widget.handleMouseEvents) { node.setAttribute(\"cm-ignore-events\", \"true\"); }\n positionLineWidget(widget, node, lineView, dims);\n cm.display.input.setUneditable(node);\n if (allowAbove && widget.above)\n { wrap.insertBefore(node, lineView.gutter || lineView.text); }\n else\n { wrap.appendChild(node); }\n signalLater(widget, \"redraw\");\n }\n }\n\n function positionLineWidget(widget, node, lineView, dims) {\n if (widget.noHScroll) {\n (lineView.alignable || (lineView.alignable = [])).push(node);\n var width = dims.wrapperWidth;\n node.style.left = dims.fixedPos + \"px\";\n if (!widget.coverGutter) {\n width -= dims.gutterTotalWidth;\n node.style.paddingLeft = dims.gutterTotalWidth + \"px\";\n }\n node.style.width = width + \"px\";\n }\n if (widget.coverGutter) {\n node.style.zIndex = 5;\n node.style.position = \"relative\";\n if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + \"px\"; }\n }\n }\n\n function widgetHeight(widget) {\n if (widget.height != null) { return widget.height }\n var cm = widget.doc.cm;\n if (!cm) { return 0 }\n if (!contains(document.body, widget.node)) {\n var parentStyle = \"position: relative;\";\n if (widget.coverGutter)\n { parentStyle += \"margin-left: -\" + cm.display.gutters.offsetWidth + \"px;\"; }\n if (widget.noHScroll)\n { parentStyle += \"width: \" + cm.display.wrapper.clientWidth + \"px;\"; }\n removeChildrenAndAdd(cm.display.measure, elt(\"div\", [widget.node], null, parentStyle));\n }\n return widget.height = widget.node.parentNode.offsetHeight\n }\n\n // Return true when the given mouse event happened in a widget\n function eventInWidget(display, e) {\n for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {\n if (!n || (n.nodeType == 1 && n.getAttribute(\"cm-ignore-events\") == \"true\") ||\n (n.parentNode == display.sizer && n != display.mover))\n { return true }\n }\n }\n\n // POSITION MEASUREMENT\n\n function paddingTop(display) {return display.lineSpace.offsetTop}\n function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}\n function paddingH(display) {\n if (display.cachedPaddingH) { return display.cachedPaddingH }\n var e = removeChildrenAndAdd(display.measure, elt(\"pre\", \"x\", \"CodeMirror-line-like\"));\n var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;\n var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};\n if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }\n return data\n }\n\n function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }\n function displayWidth(cm) {\n return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth\n }\n function displayHeight(cm) {\n return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight\n }\n\n // Ensure the lineView.wrapping.heights array is populated. This is\n // an array of bottom offsets for the lines that make up a drawn\n // line. When lineWrapping is on, there might be more than one\n // height.\n function ensureLineHeights(cm, lineView, rect) {\n var wrapping = cm.options.lineWrapping;\n var curWidth = wrapping && displayWidth(cm);\n if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {\n var heights = lineView.measure.heights = [];\n if (wrapping) {\n lineView.measure.width = curWidth;\n var rects = lineView.text.firstChild.getClientRects();\n for (var i = 0; i < rects.length - 1; i++) {\n var cur = rects[i], next = rects[i + 1];\n if (Math.abs(cur.bottom - next.bottom) > 2)\n { heights.push((cur.bottom + next.top) / 2 - rect.top); }\n }\n }\n heights.push(rect.bottom - rect.top);\n }\n }\n\n // Find a line map (mapping character offsets to text nodes) and a\n // measurement cache for the given line number. (A line view might\n // contain multiple lines when collapsed ranges are present.)\n function mapFromLineView(lineView, line, lineN) {\n if (lineView.line == line)\n { return {map: lineView.measure.map, cache: lineView.measure.cache} }\n if (lineView.rest) {\n for (var i = 0; i < lineView.rest.length; i++)\n { if (lineView.rest[i] == line)\n { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }\n for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)\n { if (lineNo(lineView.rest[i$1]) > lineN)\n { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }\n }\n }\n\n // Render a line into the hidden node display.externalMeasured. Used\n // when measurement is needed for a line that's not in the viewport.\n function updateExternalMeasurement(cm, line) {\n line = visualLine(line);\n var lineN = lineNo(line);\n var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);\n view.lineN = lineN;\n var built = view.built = buildLineContent(cm, view);\n view.text = built.pre;\n removeChildrenAndAdd(cm.display.lineMeasure, built.pre);\n return view\n }\n\n // Get a {top, bottom, left, right} box (in line-local coordinates)\n // for a given character.\n function measureChar(cm, line, ch, bias) {\n return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)\n }\n\n // Find a line view that corresponds to the given line number.\n function findViewForLine(cm, lineN) {\n if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)\n { return cm.display.view[findViewIndex(cm, lineN)] }\n var ext = cm.display.externalMeasured;\n if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)\n { return ext }\n }\n\n // Measurement can be split in two steps, the set-up work that\n // applies to the whole line, and the measurement of the actual\n // character. Functions like coordsChar, that need to do a lot of\n // measurements in a row, can thus ensure that the set-up work is\n // only done once.\n function prepareMeasureForLine(cm, line) {\n var lineN = lineNo(line);\n var view = findViewForLine(cm, lineN);\n if (view && !view.text) {\n view = null;\n } else if (view && view.changes) {\n updateLineForChanges(cm, view, lineN, getDimensions(cm));\n cm.curOp.forceUpdate = true;\n }\n if (!view)\n { view = updateExternalMeasurement(cm, line); }\n\n var info = mapFromLineView(view, line, lineN);\n return {\n line: line, view: view, rect: null,\n map: info.map, cache: info.cache, before: info.before,\n hasHeights: false\n }\n }\n\n // Given a prepared measurement object, measures the position of an\n // actual character (or fetches it from the cache).\n function measureCharPrepared(cm, prepared, ch, bias, varHeight) {\n if (prepared.before) { ch = -1; }\n var key = ch + (bias || \"\"), found;\n if (prepared.cache.hasOwnProperty(key)) {\n found = prepared.cache[key];\n } else {\n if (!prepared.rect)\n { prepared.rect = prepared.view.text.getBoundingClientRect(); }\n if (!prepared.hasHeights) {\n ensureLineHeights(cm, prepared.view, prepared.rect);\n prepared.hasHeights = true;\n }\n found = measureCharInner(cm, prepared, ch, bias);\n if (!found.bogus) { prepared.cache[key] = found; }\n }\n return {left: found.left, right: found.right,\n top: varHeight ? found.rtop : found.top,\n bottom: varHeight ? found.rbottom : found.bottom}\n }\n\n var nullRect = {left: 0, right: 0, top: 0, bottom: 0};\n\n function nodeAndOffsetInLineMap(map, ch, bias) {\n var node, start, end, collapse, mStart, mEnd;\n // First, search the line map for the text node corresponding to,\n // or closest to, the target character.\n for (var i = 0; i < map.length; i += 3) {\n mStart = map[i];\n mEnd = map[i + 1];\n if (ch < mStart) {\n start = 0; end = 1;\n collapse = \"left\";\n } else if (ch < mEnd) {\n start = ch - mStart;\n end = start + 1;\n } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {\n end = mEnd - mStart;\n start = end - 1;\n if (ch >= mEnd) { collapse = \"right\"; }\n }\n if (start != null) {\n node = map[i + 2];\n if (mStart == mEnd && bias == (node.insertLeft ? \"left\" : \"right\"))\n { collapse = bias; }\n if (bias == \"left\" && start == 0)\n { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {\n node = map[(i -= 3) + 2];\n collapse = \"left\";\n } }\n if (bias == \"right\" && start == mEnd - mStart)\n { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {\n node = map[(i += 3) + 2];\n collapse = \"right\";\n } }\n break\n }\n }\n return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}\n }\n\n function getUsefulRect(rects, bias) {\n var rect = nullRect;\n if (bias == \"left\") { for (var i = 0; i < rects.length; i++) {\n if ((rect = rects[i]).left != rect.right) { break }\n } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {\n if ((rect = rects[i$1]).left != rect.right) { break }\n } }\n return rect\n }\n\n function measureCharInner(cm, prepared, ch, bias) {\n var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);\n var node = place.node, start = place.start, end = place.end, collapse = place.collapse;\n\n var rect;\n if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.\n for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned\n while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }\n while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }\n if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)\n { rect = node.parentNode.getBoundingClientRect(); }\n else\n { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }\n if (rect.left || rect.right || start == 0) { break }\n end = start;\n start = start - 1;\n collapse = \"right\";\n }\n if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }\n } else { // If it is a widget, simply get the box for the whole widget.\n if (start > 0) { collapse = bias = \"right\"; }\n var rects;\n if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)\n { rect = rects[bias == \"right\" ? rects.length - 1 : 0]; }\n else\n { rect = node.getBoundingClientRect(); }\n }\n if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {\n var rSpan = node.parentNode.getClientRects()[0];\n if (rSpan)\n { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }\n else\n { rect = nullRect; }\n }\n\n var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;\n var mid = (rtop + rbot) / 2;\n var heights = prepared.view.measure.heights;\n var i = 0;\n for (; i < heights.length - 1; i++)\n { if (mid < heights[i]) { break } }\n var top = i ? heights[i - 1] : 0, bot = heights[i];\n var result = {left: (collapse == \"right\" ? rect.right : rect.left) - prepared.rect.left,\n right: (collapse == \"left\" ? rect.left : rect.right) - prepared.rect.left,\n top: top, bottom: bot};\n if (!rect.left && !rect.right) { result.bogus = true; }\n if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }\n\n return result\n }\n\n // Work around problem with bounding client rects on ranges being\n // returned incorrectly when zoomed on IE10 and below.\n function maybeUpdateRectForZooming(measure, rect) {\n if (!window.screen || screen.logicalXDPI == null ||\n screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))\n { return rect }\n var scaleX = screen.logicalXDPI / screen.deviceXDPI;\n var scaleY = screen.logicalYDPI / screen.deviceYDPI;\n return {left: rect.left * scaleX, right: rect.right * scaleX,\n top: rect.top * scaleY, bottom: rect.bottom * scaleY}\n }\n\n function clearLineMeasurementCacheFor(lineView) {\n if (lineView.measure) {\n lineView.measure.cache = {};\n lineView.measure.heights = null;\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { lineView.measure.caches[i] = {}; } }\n }\n }\n\n function clearLineMeasurementCache(cm) {\n cm.display.externalMeasure = null;\n removeChildren(cm.display.lineMeasure);\n for (var i = 0; i < cm.display.view.length; i++)\n { clearLineMeasurementCacheFor(cm.display.view[i]); }\n }\n\n function clearCaches(cm) {\n clearLineMeasurementCache(cm);\n cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;\n if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }\n cm.display.lineNumChars = null;\n }\n\n function pageScrollX(doc) {\n // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206\n // which causes page_Offset and bounding client rects to use\n // different reference viewports and invalidate our calculations.\n if (chrome && android) { return -(doc.body.getBoundingClientRect().left - parseInt(getComputedStyle(doc.body).marginLeft)) }\n return doc.defaultView.pageXOffset || (doc.documentElement || doc.body).scrollLeft\n }\n function pageScrollY(doc) {\n if (chrome && android) { return -(doc.body.getBoundingClientRect().top - parseInt(getComputedStyle(doc.body).marginTop)) }\n return doc.defaultView.pageYOffset || (doc.documentElement || doc.body).scrollTop\n }\n\n function widgetTopHeight(lineObj) {\n var ref = visualLine(lineObj);\n var widgets = ref.widgets;\n var height = 0;\n if (widgets) { for (var i = 0; i < widgets.length; ++i) { if (widgets[i].above)\n { height += widgetHeight(widgets[i]); } } }\n return height\n }\n\n // Converts a {top, bottom, left, right} box from line-local\n // coordinates into another coordinate system. Context may be one of\n // \"line\", \"div\" (display.lineDiv), \"local\"./null (editor), \"window\",\n // or \"page\".\n function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {\n if (!includeWidgets) {\n var height = widgetTopHeight(lineObj);\n rect.top += height; rect.bottom += height;\n }\n if (context == \"line\") { return rect }\n if (!context) { context = \"local\"; }\n var yOff = heightAtLine(lineObj);\n if (context == \"local\") { yOff += paddingTop(cm.display); }\n else { yOff -= cm.display.viewOffset; }\n if (context == \"page\" || context == \"window\") {\n var lOff = cm.display.lineSpace.getBoundingClientRect();\n yOff += lOff.top + (context == \"window\" ? 0 : pageScrollY(doc(cm)));\n var xOff = lOff.left + (context == \"window\" ? 0 : pageScrollX(doc(cm)));\n rect.left += xOff; rect.right += xOff;\n }\n rect.top += yOff; rect.bottom += yOff;\n return rect\n }\n\n // Coverts a box from \"div\" coords to another coordinate system.\n // Context may be \"window\", \"page\", \"div\", or \"local\"./null.\n function fromCoordSystem(cm, coords, context) {\n if (context == \"div\") { return coords }\n var left = coords.left, top = coords.top;\n // First move into \"page\" coordinate system\n if (context == \"page\") {\n left -= pageScrollX(doc(cm));\n top -= pageScrollY(doc(cm));\n } else if (context == \"local\" || !context) {\n var localBox = cm.display.sizer.getBoundingClientRect();\n left += localBox.left;\n top += localBox.top;\n }\n\n var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();\n return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}\n }\n\n function charCoords(cm, pos, context, lineObj, bias) {\n if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }\n return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)\n }\n\n // Returns a box for a given cursor position, which may have an\n // 'other' property containing the position of the secondary cursor\n // on a bidi boundary.\n // A cursor Pos(line, char, \"before\") is on the same visual line as `char - 1`\n // and after `char - 1` in writing order of `char - 1`\n // A cursor Pos(line, char, \"after\") is on the same visual line as `char`\n // and before `char` in writing order of `char`\n // Examples (upper-case letters are RTL, lower-case are LTR):\n // Pos(0, 1, ...)\n // before after\n // ab a|b a|b\n // aB a|B aB|\n // Ab |Ab A|b\n // AB B|A B|A\n // Every position after the last character on a line is considered to stick\n // to the last character on the line.\n function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {\n lineObj = lineObj || getLine(cm.doc, pos.line);\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n function get(ch, right) {\n var m = measureCharPrepared(cm, preparedMeasure, ch, right ? \"right\" : \"left\", varHeight);\n if (right) { m.left = m.right; } else { m.right = m.left; }\n return intoCoordSystem(cm, lineObj, m, context)\n }\n var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;\n if (ch >= lineObj.text.length) {\n ch = lineObj.text.length;\n sticky = \"before\";\n } else if (ch <= 0) {\n ch = 0;\n sticky = \"after\";\n }\n if (!order) { return get(sticky == \"before\" ? ch - 1 : ch, sticky == \"before\") }\n\n function getBidi(ch, partPos, invert) {\n var part = order[partPos], right = part.level == 1;\n return get(invert ? ch - 1 : ch, right != invert)\n }\n var partPos = getBidiPartAt(order, ch, sticky);\n var other = bidiOther;\n var val = getBidi(ch, partPos, sticky == \"before\");\n if (other != null) { val.other = getBidi(ch, other, sticky != \"before\"); }\n return val\n }\n\n // Used to cheaply estimate the coordinates for a position. Used for\n // intermediate scroll updates.\n function estimateCoords(cm, pos) {\n var left = 0;\n pos = clipPos(cm.doc, pos);\n if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }\n var lineObj = getLine(cm.doc, pos.line);\n var top = heightAtLine(lineObj) + paddingTop(cm.display);\n return {left: left, right: left, top: top, bottom: top + lineObj.height}\n }\n\n // Positions returned by coordsChar contain some extra information.\n // xRel is the relative x position of the input coordinates compared\n // to the found position (so xRel > 0 means the coordinates are to\n // the right of the character position, for example). When outside\n // is true, that means the coordinates lie outside the line's\n // vertical range.\n function PosWithInfo(line, ch, sticky, outside, xRel) {\n var pos = Pos(line, ch, sticky);\n pos.xRel = xRel;\n if (outside) { pos.outside = outside; }\n return pos\n }\n\n // Compute the character position closest to the given coordinates.\n // Input must be lineSpace-local (\"div\" coordinate system).\n function coordsChar(cm, x, y) {\n var doc = cm.doc;\n y += cm.display.viewOffset;\n if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) }\n var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;\n if (lineN > last)\n { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) }\n if (x < 0) { x = 0; }\n\n var lineObj = getLine(doc, lineN);\n for (;;) {\n var found = coordsCharInner(cm, lineObj, lineN, x, y);\n var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0));\n if (!collapsed) { return found }\n var rangeEnd = collapsed.find(1);\n if (rangeEnd.line == lineN) { return rangeEnd }\n lineObj = getLine(doc, lineN = rangeEnd.line);\n }\n }\n\n function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {\n y -= widgetTopHeight(lineObj);\n var end = lineObj.text.length;\n var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);\n end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);\n return {begin: begin, end: end}\n }\n\n function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), \"line\").top;\n return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)\n }\n\n // Returns true if the given side of a box is after the given\n // coordinates, in top-to-bottom, left-to-right order.\n function boxIsAfter(box, x, y, left) {\n return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x\n }\n\n function coordsCharInner(cm, lineObj, lineNo, x, y) {\n // Move y into line-local coordinate space\n y -= heightAtLine(lineObj);\n var preparedMeasure = prepareMeasureForLine(cm, lineObj);\n // When directly calling `measureCharPrepared`, we have to adjust\n // for the widgets at this line.\n var widgetHeight = widgetTopHeight(lineObj);\n var begin = 0, end = lineObj.text.length, ltr = true;\n\n var order = getOrder(lineObj, cm.doc.direction);\n // If the line isn't plain left-to-right text, first figure out\n // which bidi section the coordinates fall into.\n if (order) {\n var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)\n (cm, lineObj, lineNo, preparedMeasure, order, x, y);\n ltr = part.level != 1;\n // The awkward -1 offsets are needed because findFirst (called\n // on these below) will treat its first bound as inclusive,\n // second as exclusive, but we want to actually address the\n // characters in the part's range\n begin = ltr ? part.from : part.to - 1;\n end = ltr ? part.to : part.from - 1;\n }\n\n // A binary search to find the first character whose bounding box\n // starts after the coordinates. If we run across any whose box wrap\n // the coordinates, store that.\n var chAround = null, boxAround = null;\n var ch = findFirst(function (ch) {\n var box = measureCharPrepared(cm, preparedMeasure, ch);\n box.top += widgetHeight; box.bottom += widgetHeight;\n if (!boxIsAfter(box, x, y, false)) { return false }\n if (box.top <= y && box.left <= x) {\n chAround = ch;\n boxAround = box;\n }\n return true\n }, begin, end);\n\n var baseX, sticky, outside = false;\n // If a box around the coordinates was found, use that\n if (boxAround) {\n // Distinguish coordinates nearer to the left or right side of the box\n var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;\n ch = chAround + (atStart ? 0 : 1);\n sticky = atStart ? \"after\" : \"before\";\n baseX = atLeft ? boxAround.left : boxAround.right;\n } else {\n // (Adjust for extended bound, if necessary.)\n if (!ltr && (ch == end || ch == begin)) { ch++; }\n // To determine which side to associate with, get the box to the\n // left of the character and compare it's vertical position to the\n // coordinates\n sticky = ch == 0 ? \"after\" : ch == lineObj.text.length ? \"before\" :\n (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight <= y) == ltr ?\n \"after\" : \"before\";\n // Now get accurate coordinates for this place, in order to get a\n // base X position\n var coords = cursorCoords(cm, Pos(lineNo, ch, sticky), \"line\", lineObj, preparedMeasure);\n baseX = coords.left;\n outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0;\n }\n\n ch = skipExtendingChars(lineObj.text, ch, 1);\n return PosWithInfo(lineNo, ch, sticky, outside, x - baseX)\n }\n\n function coordsBidiPart(cm, lineObj, lineNo, preparedMeasure, order, x, y) {\n // Bidi parts are sorted left-to-right, and in a non-line-wrapping\n // situation, we can take this ordering to correspond to the visual\n // ordering. This finds the first part whose end is after the given\n // coordinates.\n var index = findFirst(function (i) {\n var part = order[i], ltr = part.level != 1;\n return boxIsAfter(cursorCoords(cm, Pos(lineNo, ltr ? part.to : part.from, ltr ? \"before\" : \"after\"),\n \"line\", lineObj, preparedMeasure), x, y, true)\n }, 0, order.length - 1);\n var part = order[index];\n // If this isn't the first part, the part's start is also after\n // the coordinates, and the coordinates aren't on the same line as\n // that start, move one part back.\n if (index > 0) {\n var ltr = part.level != 1;\n var start = cursorCoords(cm, Pos(lineNo, ltr ? part.from : part.to, ltr ? \"after\" : \"before\"),\n \"line\", lineObj, preparedMeasure);\n if (boxIsAfter(start, x, y, true) && start.top > y)\n { part = order[index - 1]; }\n }\n return part\n }\n\n function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {\n // In a wrapped line, rtl text on wrapping boundaries can do things\n // that don't correspond to the ordering in our `order` array at\n // all, so a binary search doesn't work, and we want to return a\n // part that only spans one line so that the binary search in\n // coordsCharInner is safe. As such, we first find the extent of the\n // wrapped line, and then do a flat search in which we discard any\n // spans that aren't on the line.\n var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);\n var begin = ref.begin;\n var end = ref.end;\n if (/\\s/.test(lineObj.text.charAt(end - 1))) { end--; }\n var part = null, closestDist = null;\n for (var i = 0; i < order.length; i++) {\n var p = order[i];\n if (p.from >= end || p.to <= begin) { continue }\n var ltr = p.level != 1;\n var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;\n // Weigh against spans ending before this, so that they are only\n // picked if nothing ends after\n var dist = endX < x ? x - endX + 1e9 : endX - x;\n if (!part || closestDist > dist) {\n part = p;\n closestDist = dist;\n }\n }\n if (!part) { part = order[order.length - 1]; }\n // Clip the part to the wrapped line.\n if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }\n if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }\n return part\n }\n\n var measureText;\n // Compute the default text height.\n function textHeight(display) {\n if (display.cachedTextHeight != null) { return display.cachedTextHeight }\n if (measureText == null) {\n measureText = elt(\"pre\", null, \"CodeMirror-line-like\");\n // Measure a bunch of lines, for browsers that compute\n // fractional heights.\n for (var i = 0; i < 49; ++i) {\n measureText.appendChild(document.createTextNode(\"x\"));\n measureText.appendChild(elt(\"br\"));\n }\n measureText.appendChild(document.createTextNode(\"x\"));\n }\n removeChildrenAndAdd(display.measure, measureText);\n var height = measureText.offsetHeight / 50;\n if (height > 3) { display.cachedTextHeight = height; }\n removeChildren(display.measure);\n return height || 1\n }\n\n // Compute the default character width.\n function charWidth(display) {\n if (display.cachedCharWidth != null) { return display.cachedCharWidth }\n var anchor = elt(\"span\", \"xxxxxxxxxx\");\n var pre = elt(\"pre\", [anchor], \"CodeMirror-line-like\");\n removeChildrenAndAdd(display.measure, pre);\n var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;\n if (width > 2) { display.cachedCharWidth = width; }\n return width || 10\n }\n\n // Do a bulk-read of the DOM positions and sizes needed to draw the\n // view, so that we don't interleave reading and writing to the DOM.\n function getDimensions(cm) {\n var d = cm.display, left = {}, width = {};\n var gutterLeft = d.gutters.clientLeft;\n for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {\n var id = cm.display.gutterSpecs[i].className;\n left[id] = n.offsetLeft + n.clientLeft + gutterLeft;\n width[id] = n.clientWidth;\n }\n return {fixedPos: compensateForHScroll(d),\n gutterTotalWidth: d.gutters.offsetWidth,\n gutterLeft: left,\n gutterWidth: width,\n wrapperWidth: d.wrapper.clientWidth}\n }\n\n // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,\n // but using getBoundingClientRect to get a sub-pixel-accurate\n // result.\n function compensateForHScroll(display) {\n return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left\n }\n\n // Returns a function that estimates the height of a line, to use as\n // first approximation until the line becomes visible (and is thus\n // properly measurable).\n function estimateHeight(cm) {\n var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;\n var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);\n return function (line) {\n if (lineIsHidden(cm.doc, line)) { return 0 }\n\n var widgetsHeight = 0;\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {\n if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }\n } }\n\n if (wrapping)\n { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }\n else\n { return widgetsHeight + th }\n }\n }\n\n function estimateLineHeights(cm) {\n var doc = cm.doc, est = estimateHeight(cm);\n doc.iter(function (line) {\n var estHeight = est(line);\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n });\n }\n\n // Given a mouse event, find the corresponding position. If liberal\n // is false, it checks whether a gutter or scrollbar was clicked,\n // and returns null if it was. forRect is used by rectangular\n // selections, and tries to estimate a character position even for\n // coordinates beyond the right of the text.\n function posFromMouse(cm, e, liberal, forRect) {\n var display = cm.display;\n if (!liberal && e_target(e).getAttribute(\"cm-not-content\") == \"true\") { return null }\n\n var x, y, space = display.lineSpace.getBoundingClientRect();\n // Fails unpredictably on IE[67] when mouse is dragged around quickly.\n try { x = e.clientX - space.left; y = e.clientY - space.top; }\n catch (e$1) { return null }\n var coords = coordsChar(cm, x, y), line;\n if (forRect && coords.xRel > 0 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {\n var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;\n coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));\n }\n return coords\n }\n\n // Find the view element corresponding to a given line. Return null\n // when the line isn't visible.\n function findViewIndex(cm, n) {\n if (n >= cm.display.viewTo) { return null }\n n -= cm.display.viewFrom;\n if (n < 0) { return null }\n var view = cm.display.view;\n for (var i = 0; i < view.length; i++) {\n n -= view[i].size;\n if (n < 0) { return i }\n }\n }\n\n // Updates the display.view data structure for a given change to the\n // document. From and to are in pre-change coordinates. Lendiff is\n // the amount of lines added or subtracted by the change. This is\n // used for changes that span multiple lines, or change the way\n // lines are divided into visual lines. regLineChange (below)\n // registers single-line changes.\n function regChange(cm, from, to, lendiff) {\n if (from == null) { from = cm.doc.first; }\n if (to == null) { to = cm.doc.first + cm.doc.size; }\n if (!lendiff) { lendiff = 0; }\n\n var display = cm.display;\n if (lendiff && to < display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers > from))\n { display.updateLineNumbers = from; }\n\n cm.curOp.viewChanged = true;\n\n if (from >= display.viewTo) { // Change after\n if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)\n { resetView(cm); }\n } else if (to <= display.viewFrom) { // Change before\n if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {\n resetView(cm);\n } else {\n display.viewFrom += lendiff;\n display.viewTo += lendiff;\n }\n } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap\n resetView(cm);\n } else if (from <= display.viewFrom) { // Top overlap\n var cut = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cut) {\n display.view = display.view.slice(cut.index);\n display.viewFrom = cut.lineN;\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n } else if (to >= display.viewTo) { // Bottom overlap\n var cut$1 = viewCuttingPoint(cm, from, from, -1);\n if (cut$1) {\n display.view = display.view.slice(0, cut$1.index);\n display.viewTo = cut$1.lineN;\n } else {\n resetView(cm);\n }\n } else { // Gap in the middle\n var cutTop = viewCuttingPoint(cm, from, from, -1);\n var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cutTop && cutBot) {\n display.view = display.view.slice(0, cutTop.index)\n .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))\n .concat(display.view.slice(cutBot.index));\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n }\n\n var ext = display.externalMeasured;\n if (ext) {\n if (to < ext.lineN)\n { ext.lineN += lendiff; }\n else if (from < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n }\n }\n\n // Register a change to a single line. Type must be one of \"text\",\n // \"gutter\", \"class\", \"widget\"\n function regLineChange(cm, line, type) {\n cm.curOp.viewChanged = true;\n var display = cm.display, ext = cm.display.externalMeasured;\n if (ext && line >= ext.lineN && line < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n\n if (line < display.viewFrom || line >= display.viewTo) { return }\n var lineView = display.view[findViewIndex(cm, line)];\n if (lineView.node == null) { return }\n var arr = lineView.changes || (lineView.changes = []);\n if (indexOf(arr, type) == -1) { arr.push(type); }\n }\n\n // Clear the view.\n function resetView(cm) {\n cm.display.viewFrom = cm.display.viewTo = cm.doc.first;\n cm.display.view = [];\n cm.display.viewOffset = 0;\n }\n\n function viewCuttingPoint(cm, oldN, newN, dir) {\n var index = findViewIndex(cm, oldN), diff, view = cm.display.view;\n if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)\n { return {index: index, lineN: newN} }\n var n = cm.display.viewFrom;\n for (var i = 0; i < index; i++)\n { n += view[i].size; }\n if (n != oldN) {\n if (dir > 0) {\n if (index == view.length - 1) { return null }\n diff = (n + view[index].size) - oldN;\n index++;\n } else {\n diff = n - oldN;\n }\n oldN += diff; newN += diff;\n }\n while (visualLineNo(cm.doc, newN) != newN) {\n if (index == (dir < 0 ? 0 : view.length - 1)) { return null }\n newN += dir * view[index - (dir < 0 ? 1 : 0)].size;\n index += dir;\n }\n return {index: index, lineN: newN}\n }\n\n // Force the view to cover a given range, adding empty view element\n // or clipping off existing ones as needed.\n function adjustView(cm, from, to) {\n var display = cm.display, view = display.view;\n if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {\n display.view = buildViewArray(cm, from, to);\n display.viewFrom = from;\n } else {\n if (display.viewFrom > from)\n { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }\n else if (display.viewFrom < from)\n { display.view = display.view.slice(findViewIndex(cm, from)); }\n display.viewFrom = from;\n if (display.viewTo < to)\n { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }\n else if (display.viewTo > to)\n { display.view = display.view.slice(0, findViewIndex(cm, to)); }\n }\n display.viewTo = to;\n }\n\n // Count the number of lines in the view whose DOM representation is\n // out of date (or nonexistent).\n function countDirtyView(cm) {\n var view = cm.display.view, dirty = 0;\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }\n }\n return dirty\n }\n\n function updateSelection(cm) {\n cm.display.input.showSelection(cm.display.input.prepareSelection());\n }\n\n function prepareSelection(cm, primary) {\n if ( primary === void 0 ) primary = true;\n\n var doc = cm.doc, result = {};\n var curFragment = result.cursors = document.createDocumentFragment();\n var selFragment = result.selection = document.createDocumentFragment();\n\n var customCursor = cm.options.$customCursor;\n if (customCursor) { primary = true; }\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n if (!primary && i == doc.sel.primIndex) { continue }\n var range = doc.sel.ranges[i];\n if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue }\n var collapsed = range.empty();\n if (customCursor) {\n var head = customCursor(cm, range);\n if (head) { drawSelectionCursor(cm, head, curFragment); }\n } else if (collapsed || cm.options.showCursorWhenSelecting) {\n drawSelectionCursor(cm, range.head, curFragment);\n }\n if (!collapsed)\n { drawSelectionRange(cm, range, selFragment); }\n }\n return result\n }\n\n // Draws a cursor for the given range\n function drawSelectionCursor(cm, head, output) {\n var pos = cursorCoords(cm, head, \"div\", null, null, !cm.options.singleCursorHeightPerLine);\n\n var cursor = output.appendChild(elt(\"div\", \"\\u00a0\", \"CodeMirror-cursor\"));\n cursor.style.left = pos.left + \"px\";\n cursor.style.top = pos.top + \"px\";\n cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + \"px\";\n\n if (/\\bcm-fat-cursor\\b/.test(cm.getWrapperElement().className)) {\n var charPos = charCoords(cm, head, \"div\", null, null);\n var width = charPos.right - charPos.left;\n cursor.style.width = (width > 0 ? width : cm.defaultCharWidth()) + \"px\";\n }\n\n if (pos.other) {\n // Secondary cursor, shown when on a 'jump' in bi-directional text\n var otherCursor = output.appendChild(elt(\"div\", \"\\u00a0\", \"CodeMirror-cursor CodeMirror-secondarycursor\"));\n otherCursor.style.display = \"\";\n otherCursor.style.left = pos.other.left + \"px\";\n otherCursor.style.top = pos.other.top + \"px\";\n otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + \"px\";\n }\n }\n\n function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }\n\n // Draws the given range as a highlighted selection\n function drawSelectionRange(cm, range, output) {\n var display = cm.display, doc = cm.doc;\n var fragment = document.createDocumentFragment();\n var padding = paddingH(cm.display), leftSide = padding.left;\n var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;\n var docLTR = doc.direction == \"ltr\";\n\n function add(left, top, width, bottom) {\n if (top < 0) { top = 0; }\n top = Math.round(top);\n bottom = Math.round(bottom);\n fragment.appendChild(elt(\"div\", null, \"CodeMirror-selected\", (\"position: absolute; left: \" + left + \"px;\\n top: \" + top + \"px; width: \" + (width == null ? rightSide - left : width) + \"px;\\n height: \" + (bottom - top) + \"px\")));\n }\n\n function drawForLine(line, fromArg, toArg) {\n var lineObj = getLine(doc, line);\n var lineLen = lineObj.text.length;\n var start, end;\n function coords(ch, bias) {\n return charCoords(cm, Pos(line, ch), \"div\", lineObj, bias)\n }\n\n function wrapX(pos, dir, side) {\n var extent = wrappedLineExtentChar(cm, lineObj, null, pos);\n var prop = (dir == \"ltr\") == (side == \"after\") ? \"left\" : \"right\";\n var ch = side == \"after\" ? extent.begin : extent.end - (/\\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);\n return coords(ch, prop)[prop]\n }\n\n var order = getOrder(lineObj, doc.direction);\n iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {\n var ltr = dir == \"ltr\";\n var fromPos = coords(from, ltr ? \"left\" : \"right\");\n var toPos = coords(to - 1, ltr ? \"right\" : \"left\");\n\n var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;\n var first = i == 0, last = !order || i == order.length - 1;\n if (toPos.top - fromPos.top <= 3) { // Single line\n var openLeft = (docLTR ? openStart : openEnd) && first;\n var openRight = (docLTR ? openEnd : openStart) && last;\n var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;\n var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;\n add(left, fromPos.top, right - left, fromPos.bottom);\n } else { // Multiple lines\n var topLeft, topRight, botLeft, botRight;\n if (ltr) {\n topLeft = docLTR && openStart && first ? leftSide : fromPos.left;\n topRight = docLTR ? rightSide : wrapX(from, dir, \"before\");\n botLeft = docLTR ? leftSide : wrapX(to, dir, \"after\");\n botRight = docLTR && openEnd && last ? rightSide : toPos.right;\n } else {\n topLeft = !docLTR ? leftSide : wrapX(from, dir, \"before\");\n topRight = !docLTR && openStart && first ? rightSide : fromPos.right;\n botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;\n botRight = !docLTR ? rightSide : wrapX(to, dir, \"after\");\n }\n add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);\n if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }\n add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);\n }\n\n if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }\n if (cmpCoords(toPos, start) < 0) { start = toPos; }\n if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }\n if (cmpCoords(toPos, end) < 0) { end = toPos; }\n });\n return {start: start, end: end}\n }\n\n var sFrom = range.from(), sTo = range.to();\n if (sFrom.line == sTo.line) {\n drawForLine(sFrom.line, sFrom.ch, sTo.ch);\n } else {\n var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);\n var singleVLine = visualLine(fromLine) == visualLine(toLine);\n var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;\n var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;\n if (singleVLine) {\n if (leftEnd.top < rightStart.top - 2) {\n add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);\n add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);\n } else {\n add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);\n }\n }\n if (leftEnd.bottom < rightStart.top)\n { add(leftSide, leftEnd.bottom, null, rightStart.top); }\n }\n\n output.appendChild(fragment);\n }\n\n // Cursor-blinking\n function restartBlink(cm) {\n if (!cm.state.focused) { return }\n var display = cm.display;\n clearInterval(display.blinker);\n var on = true;\n display.cursorDiv.style.visibility = \"\";\n if (cm.options.cursorBlinkRate > 0)\n { display.blinker = setInterval(function () {\n if (!cm.hasFocus()) { onBlur(cm); }\n display.cursorDiv.style.visibility = (on = !on) ? \"\" : \"hidden\";\n }, cm.options.cursorBlinkRate); }\n else if (cm.options.cursorBlinkRate < 0)\n { display.cursorDiv.style.visibility = \"hidden\"; }\n }\n\n function ensureFocus(cm) {\n if (!cm.hasFocus()) {\n cm.display.input.focus();\n if (!cm.state.focused) { onFocus(cm); }\n }\n }\n\n function delayBlurEvent(cm) {\n cm.state.delayingBlurEvent = true;\n setTimeout(function () { if (cm.state.delayingBlurEvent) {\n cm.state.delayingBlurEvent = false;\n if (cm.state.focused) { onBlur(cm); }\n } }, 100);\n }\n\n function onFocus(cm, e) {\n if (cm.state.delayingBlurEvent && !cm.state.draggingText) { cm.state.delayingBlurEvent = false; }\n\n if (cm.options.readOnly == \"nocursor\") { return }\n if (!cm.state.focused) {\n signal(cm, \"focus\", cm, e);\n cm.state.focused = true;\n addClass(cm.display.wrapper, \"CodeMirror-focused\");\n // This test prevents this from firing when a context\n // menu is closed (since the input reset would kill the\n // select-all detection hack)\n if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {\n cm.display.input.reset();\n if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730\n }\n cm.display.input.receivedFocus();\n }\n restartBlink(cm);\n }\n function onBlur(cm, e) {\n if (cm.state.delayingBlurEvent) { return }\n\n if (cm.state.focused) {\n signal(cm, \"blur\", cm, e);\n cm.state.focused = false;\n rmClass(cm.display.wrapper, \"CodeMirror-focused\");\n }\n clearInterval(cm.display.blinker);\n setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);\n }\n\n // Read the actual heights of the rendered lines, and update their\n // stored heights to match.\n function updateHeightsInViewport(cm) {\n var display = cm.display;\n var prevBottom = display.lineDiv.offsetTop;\n var viewTop = Math.max(0, display.scroller.getBoundingClientRect().top);\n var oldHeight = display.lineDiv.getBoundingClientRect().top;\n var mustScroll = 0;\n for (var i = 0; i < display.view.length; i++) {\n var cur = display.view[i], wrapping = cm.options.lineWrapping;\n var height = (void 0), width = 0;\n if (cur.hidden) { continue }\n oldHeight += cur.line.height;\n if (ie && ie_version < 8) {\n var bot = cur.node.offsetTop + cur.node.offsetHeight;\n height = bot - prevBottom;\n prevBottom = bot;\n } else {\n var box = cur.node.getBoundingClientRect();\n height = box.bottom - box.top;\n // Check that lines don't extend past the right of the current\n // editor width\n if (!wrapping && cur.text.firstChild)\n { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; }\n }\n var diff = cur.line.height - height;\n if (diff > .005 || diff < -.005) {\n if (oldHeight < viewTop) { mustScroll -= diff; }\n updateLineHeight(cur.line, height);\n updateWidgetHeight(cur.line);\n if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)\n { updateWidgetHeight(cur.rest[j]); } }\n }\n if (width > cm.display.sizerWidth) {\n var chWidth = Math.ceil(width / charWidth(cm.display));\n if (chWidth > cm.display.maxLineLength) {\n cm.display.maxLineLength = chWidth;\n cm.display.maxLine = cur.line;\n cm.display.maxLineChanged = true;\n }\n }\n }\n if (Math.abs(mustScroll) > 2) { display.scroller.scrollTop += mustScroll; }\n }\n\n // Read and store the height of line widgets associated with the\n // given line.\n function updateWidgetHeight(line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {\n var w = line.widgets[i], parent = w.node.parentNode;\n if (parent) { w.height = parent.offsetHeight; }\n } }\n }\n\n // Compute the lines that are visible in a given viewport (defaults\n // the the current scroll position). viewport may contain top,\n // height, and ensure (see op.scrollToPos) properties.\n function visibleLines(display, doc, viewport) {\n var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;\n top = Math.floor(top - paddingTop(display));\n var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;\n\n var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);\n // Ensure is a {from: {line, ch}, to: {line, ch}} object, and\n // forces those lines into the viewport (if possible).\n if (viewport && viewport.ensure) {\n var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;\n if (ensureFrom < from) {\n from = ensureFrom;\n to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);\n } else if (Math.min(ensureTo, doc.lastLine()) >= to) {\n from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);\n to = ensureTo;\n }\n }\n return {from: from, to: Math.max(to, from + 1)}\n }\n\n // SCROLLING THINGS INTO VIEW\n\n // If an editor sits on the top or bottom of the window, partially\n // scrolled out of view, this ensures that the cursor is visible.\n function maybeScrollWindow(cm, rect) {\n if (signalDOMEvent(cm, \"scrollCursorIntoView\")) { return }\n\n var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;\n var doc = display.wrapper.ownerDocument;\n if (rect.top + box.top < 0) { doScroll = true; }\n else if (rect.bottom + box.top > (doc.defaultView.innerHeight || doc.documentElement.clientHeight)) { doScroll = false; }\n if (doScroll != null && !phantom) {\n var scrollNode = elt(\"div\", \"\\u200b\", null, (\"position: absolute;\\n top: \" + (rect.top - display.viewOffset - paddingTop(cm.display)) + \"px;\\n height: \" + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + \"px;\\n left: \" + (rect.left) + \"px; width: \" + (Math.max(2, rect.right - rect.left)) + \"px;\"));\n cm.display.lineSpace.appendChild(scrollNode);\n scrollNode.scrollIntoView(doScroll);\n cm.display.lineSpace.removeChild(scrollNode);\n }\n }\n\n // Scroll a given position into view (immediately), verifying that\n // it actually became visible (as line heights are accurately\n // measured, the position of something may 'drift' during drawing).\n function scrollPosIntoView(cm, pos, end, margin) {\n if (margin == null) { margin = 0; }\n var rect;\n if (!cm.options.lineWrapping && pos == end) {\n // Set pos and end to the cursor positions around the character pos sticks to\n // If pos.sticky == \"before\", that is around pos.ch - 1, otherwise around pos.ch\n // If pos == Pos(_, 0, \"before\"), pos and end are unchanged\n end = pos.sticky == \"before\" ? Pos(pos.line, pos.ch + 1, \"before\") : pos;\n pos = pos.ch ? Pos(pos.line, pos.sticky == \"before\" ? pos.ch - 1 : pos.ch, \"after\") : pos;\n }\n for (var limit = 0; limit < 5; limit++) {\n var changed = false;\n var coords = cursorCoords(cm, pos);\n var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);\n rect = {left: Math.min(coords.left, endCoords.left),\n top: Math.min(coords.top, endCoords.top) - margin,\n right: Math.max(coords.left, endCoords.left),\n bottom: Math.max(coords.bottom, endCoords.bottom) + margin};\n var scrollPos = calculateScrollPos(cm, rect);\n var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;\n if (scrollPos.scrollTop != null) {\n updateScrollTop(cm, scrollPos.scrollTop);\n if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }\n }\n if (scrollPos.scrollLeft != null) {\n setScrollLeft(cm, scrollPos.scrollLeft);\n if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }\n }\n if (!changed) { break }\n }\n return rect\n }\n\n // Scroll a given set of coordinates into view (immediately).\n function scrollIntoView(cm, rect) {\n var scrollPos = calculateScrollPos(cm, rect);\n if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }\n if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }\n }\n\n // Calculate a new scroll position needed to scroll the given\n // rectangle into view. Returns an object with scrollTop and\n // scrollLeft properties. When these are undefined, the\n // vertical/horizontal position does not need to be adjusted.\n function calculateScrollPos(cm, rect) {\n var display = cm.display, snapMargin = textHeight(cm.display);\n if (rect.top < 0) { rect.top = 0; }\n var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;\n var screen = displayHeight(cm), result = {};\n if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }\n var docBottom = cm.doc.height + paddingVert(display);\n var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;\n if (rect.top < screentop) {\n result.scrollTop = atTop ? 0 : rect.top;\n } else if (rect.bottom > screentop + screen) {\n var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);\n if (newTop != screentop) { result.scrollTop = newTop; }\n }\n\n var gutterSpace = cm.options.fixedGutter ? 0 : display.gutters.offsetWidth;\n var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - gutterSpace;\n var screenw = displayWidth(cm) - display.gutters.offsetWidth;\n var tooWide = rect.right - rect.left > screenw;\n if (tooWide) { rect.right = rect.left + screenw; }\n if (rect.left < 10)\n { result.scrollLeft = 0; }\n else if (rect.left < screenleft)\n { result.scrollLeft = Math.max(0, rect.left + gutterSpace - (tooWide ? 0 : 10)); }\n else if (rect.right > screenw + screenleft - 3)\n { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }\n return result\n }\n\n // Store a relative adjustment to the scroll position in the current\n // operation (to be applied when the operation finishes).\n function addToScrollTop(cm, top) {\n if (top == null) { return }\n resolveScrollToPos(cm);\n cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;\n }\n\n // Make sure that at the end of the operation the current cursor is\n // shown.\n function ensureCursorVisible(cm) {\n resolveScrollToPos(cm);\n var cur = cm.getCursor();\n cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};\n }\n\n function scrollToCoords(cm, x, y) {\n if (x != null || y != null) { resolveScrollToPos(cm); }\n if (x != null) { cm.curOp.scrollLeft = x; }\n if (y != null) { cm.curOp.scrollTop = y; }\n }\n\n function scrollToRange(cm, range) {\n resolveScrollToPos(cm);\n cm.curOp.scrollToPos = range;\n }\n\n // When an operation has its scrollToPos property set, and another\n // scroll action is applied before the end of the operation, this\n // 'simulates' scrolling that position into view in a cheap way, so\n // that the effect of intermediate scroll commands is not ignored.\n function resolveScrollToPos(cm) {\n var range = cm.curOp.scrollToPos;\n if (range) {\n cm.curOp.scrollToPos = null;\n var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);\n scrollToCoordsRange(cm, from, to, range.margin);\n }\n }\n\n function scrollToCoordsRange(cm, from, to, margin) {\n var sPos = calculateScrollPos(cm, {\n left: Math.min(from.left, to.left),\n top: Math.min(from.top, to.top) - margin,\n right: Math.max(from.right, to.right),\n bottom: Math.max(from.bottom, to.bottom) + margin\n });\n scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);\n }\n\n // Sync the scrollable area and scrollbars, ensure the viewport\n // covers the visible area.\n function updateScrollTop(cm, val) {\n if (Math.abs(cm.doc.scrollTop - val) < 2) { return }\n if (!gecko) { updateDisplaySimple(cm, {top: val}); }\n setScrollTop(cm, val, true);\n if (gecko) { updateDisplaySimple(cm); }\n startWorker(cm, 100);\n }\n\n function setScrollTop(cm, val, forceScroll) {\n val = Math.max(0, Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val));\n if (cm.display.scroller.scrollTop == val && !forceScroll) { return }\n cm.doc.scrollTop = val;\n cm.display.scrollbars.setScrollTop(val);\n if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }\n }\n\n // Sync scroller and scrollbar, ensure the gutter elements are\n // aligned.\n function setScrollLeft(cm, val, isScroller, forceScroll) {\n val = Math.max(0, Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth));\n if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }\n cm.doc.scrollLeft = val;\n alignHorizontally(cm);\n if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }\n cm.display.scrollbars.setScrollLeft(val);\n }\n\n // SCROLLBARS\n\n // Prepare DOM reads needed to update the scrollbars. Done in one\n // shot to minimize update/measure roundtrips.\n function measureForScrollbars(cm) {\n var d = cm.display, gutterW = d.gutters.offsetWidth;\n var docH = Math.round(cm.doc.height + paddingVert(cm.display));\n return {\n clientHeight: d.scroller.clientHeight,\n viewHeight: d.wrapper.clientHeight,\n scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,\n viewWidth: d.wrapper.clientWidth,\n barLeft: cm.options.fixedGutter ? gutterW : 0,\n docHeight: docH,\n scrollHeight: docH + scrollGap(cm) + d.barHeight,\n nativeBarWidth: d.nativeBarWidth,\n gutterWidth: gutterW\n }\n }\n\n var NativeScrollbars = function(place, scroll, cm) {\n this.cm = cm;\n var vert = this.vert = elt(\"div\", [elt(\"div\", null, null, \"min-width: 1px\")], \"CodeMirror-vscrollbar\");\n var horiz = this.horiz = elt(\"div\", [elt(\"div\", null, null, \"height: 100%; min-height: 1px\")], \"CodeMirror-hscrollbar\");\n vert.tabIndex = horiz.tabIndex = -1;\n place(vert); place(horiz);\n\n on(vert, \"scroll\", function () {\n if (vert.clientHeight) { scroll(vert.scrollTop, \"vertical\"); }\n });\n on(horiz, \"scroll\", function () {\n if (horiz.clientWidth) { scroll(horiz.scrollLeft, \"horizontal\"); }\n });\n\n this.checkedZeroWidth = false;\n // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).\n if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = \"18px\"; }\n };\n\n NativeScrollbars.prototype.update = function (measure) {\n var needsH = measure.scrollWidth > measure.clientWidth + 1;\n var needsV = measure.scrollHeight > measure.clientHeight + 1;\n var sWidth = measure.nativeBarWidth;\n\n if (needsV) {\n this.vert.style.display = \"block\";\n this.vert.style.bottom = needsH ? sWidth + \"px\" : \"0\";\n var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);\n // A bug in IE8 can cause this value to be negative, so guard it.\n this.vert.firstChild.style.height =\n Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + \"px\";\n } else {\n this.vert.scrollTop = 0;\n this.vert.style.display = \"\";\n this.vert.firstChild.style.height = \"0\";\n }\n\n if (needsH) {\n this.horiz.style.display = \"block\";\n this.horiz.style.right = needsV ? sWidth + \"px\" : \"0\";\n this.horiz.style.left = measure.barLeft + \"px\";\n var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);\n this.horiz.firstChild.style.width =\n Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + \"px\";\n } else {\n this.horiz.style.display = \"\";\n this.horiz.firstChild.style.width = \"0\";\n }\n\n if (!this.checkedZeroWidth && measure.clientHeight > 0) {\n if (sWidth == 0) { this.zeroWidthHack(); }\n this.checkedZeroWidth = true;\n }\n\n return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}\n };\n\n NativeScrollbars.prototype.setScrollLeft = function (pos) {\n if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }\n if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, \"horiz\"); }\n };\n\n NativeScrollbars.prototype.setScrollTop = function (pos) {\n if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }\n if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, \"vert\"); }\n };\n\n NativeScrollbars.prototype.zeroWidthHack = function () {\n var w = mac && !mac_geMountainLion ? \"12px\" : \"18px\";\n this.horiz.style.height = this.vert.style.width = w;\n this.horiz.style.visibility = this.vert.style.visibility = \"hidden\";\n this.disableHoriz = new Delayed;\n this.disableVert = new Delayed;\n };\n\n NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {\n bar.style.visibility = \"\";\n function maybeDisable() {\n // To find out whether the scrollbar is still visible, we\n // check whether the element under the pixel in the bottom\n // right corner of the scrollbar box is the scrollbar box\n // itself (when the bar is still visible) or its filler child\n // (when the bar is hidden). If it is still visible, we keep\n // it enabled, if it's hidden, we disable pointer events.\n var box = bar.getBoundingClientRect();\n var elt = type == \"vert\" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)\n : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);\n if (elt != bar) { bar.style.visibility = \"hidden\"; }\n else { delay.set(1000, maybeDisable); }\n }\n delay.set(1000, maybeDisable);\n };\n\n NativeScrollbars.prototype.clear = function () {\n var parent = this.horiz.parentNode;\n parent.removeChild(this.horiz);\n parent.removeChild(this.vert);\n };\n\n var NullScrollbars = function () {};\n\n NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };\n NullScrollbars.prototype.setScrollLeft = function () {};\n NullScrollbars.prototype.setScrollTop = function () {};\n NullScrollbars.prototype.clear = function () {};\n\n function updateScrollbars(cm, measure) {\n if (!measure) { measure = measureForScrollbars(cm); }\n var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;\n updateScrollbarsInner(cm, measure);\n for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {\n if (startWidth != cm.display.barWidth && cm.options.lineWrapping)\n { updateHeightsInViewport(cm); }\n updateScrollbarsInner(cm, measureForScrollbars(cm));\n startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;\n }\n }\n\n // Re-synchronize the fake scrollbars with the actual size of the\n // content.\n function updateScrollbarsInner(cm, measure) {\n var d = cm.display;\n var sizes = d.scrollbars.update(measure);\n\n d.sizer.style.paddingRight = (d.barWidth = sizes.right) + \"px\";\n d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + \"px\";\n d.heightForcer.style.borderBottom = sizes.bottom + \"px solid transparent\";\n\n if (sizes.right && sizes.bottom) {\n d.scrollbarFiller.style.display = \"block\";\n d.scrollbarFiller.style.height = sizes.bottom + \"px\";\n d.scrollbarFiller.style.width = sizes.right + \"px\";\n } else { d.scrollbarFiller.style.display = \"\"; }\n if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {\n d.gutterFiller.style.display = \"block\";\n d.gutterFiller.style.height = sizes.bottom + \"px\";\n d.gutterFiller.style.width = measure.gutterWidth + \"px\";\n } else { d.gutterFiller.style.display = \"\"; }\n }\n\n var scrollbarModel = {\"native\": NativeScrollbars, \"null\": NullScrollbars};\n\n function initScrollbars(cm) {\n if (cm.display.scrollbars) {\n cm.display.scrollbars.clear();\n if (cm.display.scrollbars.addClass)\n { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n }\n\n cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {\n cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);\n // Prevent clicks in the scrollbars from killing focus\n on(node, \"mousedown\", function () {\n if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }\n });\n node.setAttribute(\"cm-not-content\", \"true\");\n }, function (pos, axis) {\n if (axis == \"horizontal\") { setScrollLeft(cm, pos); }\n else { updateScrollTop(cm, pos); }\n }, cm);\n if (cm.display.scrollbars.addClass)\n { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n }\n\n // Operations are used to wrap a series of changes to the editor\n // state in such a way that each change won't have to update the\n // cursor and display (which would be awkward, slow, and\n // error-prone). Instead, display updates are batched and then all\n // combined and executed at once.\n\n var nextOpId = 0;\n // Start a new operation.\n function startOperation(cm) {\n cm.curOp = {\n cm: cm,\n viewChanged: false, // Flag that indicates that lines might need to be redrawn\n startHeight: cm.doc.height, // Used to detect need to update scrollbar\n forceUpdate: false, // Used to force a redraw\n updateInput: 0, // Whether to reset the input textarea\n typing: false, // Whether this reset should be careful to leave existing text (for compositing)\n changeObjs: null, // Accumulated changes, for firing change events\n cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on\n cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already\n selectionChanged: false, // Whether the selection needs to be redrawn\n updateMaxLine: false, // Set when the widest line needs to be determined anew\n scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet\n scrollToPos: null, // Used to scroll to a specific position\n focus: false,\n id: ++nextOpId, // Unique ID\n markArrays: null // Used by addMarkedSpan\n };\n pushOperation(cm.curOp);\n }\n\n // Finish an operation, updating the display and signalling delayed events\n function endOperation(cm) {\n var op = cm.curOp;\n if (op) { finishOperation(op, function (group) {\n for (var i = 0; i < group.ops.length; i++)\n { group.ops[i].cm.curOp = null; }\n endOperations(group);\n }); }\n }\n\n // The DOM updates done when an operation finishes are batched so\n // that the minimum number of relayouts are required.\n function endOperations(group) {\n var ops = group.ops;\n for (var i = 0; i < ops.length; i++) // Read DOM\n { endOperation_R1(ops[i]); }\n for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)\n { endOperation_W1(ops[i$1]); }\n for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM\n { endOperation_R2(ops[i$2]); }\n for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)\n { endOperation_W2(ops[i$3]); }\n for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM\n { endOperation_finish(ops[i$4]); }\n }\n\n function endOperation_R1(op) {\n var cm = op.cm, display = cm.display;\n maybeClipScrollbars(cm);\n if (op.updateMaxLine) { findMaxLine(cm); }\n\n op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||\n op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||\n op.scrollToPos.to.line >= display.viewTo) ||\n display.maxLineChanged && cm.options.lineWrapping;\n op.update = op.mustUpdate &&\n new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);\n }\n\n function endOperation_W1(op) {\n op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);\n }\n\n function endOperation_R2(op) {\n var cm = op.cm, display = cm.display;\n if (op.updatedDisplay) { updateHeightsInViewport(cm); }\n\n op.barMeasure = measureForScrollbars(cm);\n\n // If the max line changed since it was last measured, measure it,\n // and ensure the document's width matches it.\n // updateDisplay_W2 will use these properties to do the actual resizing\n if (display.maxLineChanged && !cm.options.lineWrapping) {\n op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;\n cm.display.sizerWidth = op.adjustWidthTo;\n op.barMeasure.scrollWidth =\n Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);\n op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));\n }\n\n if (op.updatedDisplay || op.selectionChanged)\n { op.preparedSelection = display.input.prepareSelection(); }\n }\n\n function endOperation_W2(op) {\n var cm = op.cm;\n\n if (op.adjustWidthTo != null) {\n cm.display.sizer.style.minWidth = op.adjustWidthTo + \"px\";\n if (op.maxScrollLeft < cm.doc.scrollLeft)\n { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }\n cm.display.maxLineChanged = false;\n }\n\n var takeFocus = op.focus && op.focus == activeElt(root(cm));\n if (op.preparedSelection)\n { cm.display.input.showSelection(op.preparedSelection, takeFocus); }\n if (op.updatedDisplay || op.startHeight != cm.doc.height)\n { updateScrollbars(cm, op.barMeasure); }\n if (op.updatedDisplay)\n { setDocumentHeight(cm, op.barMeasure); }\n\n if (op.selectionChanged) { restartBlink(cm); }\n\n if (cm.state.focused && op.updateInput)\n { cm.display.input.reset(op.typing); }\n if (takeFocus) { ensureFocus(op.cm); }\n }\n\n function endOperation_finish(op) {\n var cm = op.cm, display = cm.display, doc = cm.doc;\n\n if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }\n\n // Abort mouse wheel delta measurement, when scrolling explicitly\n if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))\n { display.wheelStartX = display.wheelStartY = null; }\n\n // Propagate the scroll position to the actual DOM scroller\n if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }\n\n if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }\n // If we need to scroll a specific position into view, do so.\n if (op.scrollToPos) {\n var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),\n clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);\n maybeScrollWindow(cm, rect);\n }\n\n // Fire events for markers that are hidden/unidden by editing or\n // undoing\n var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;\n if (hidden) { for (var i = 0; i < hidden.length; ++i)\n { if (!hidden[i].lines.length) { signal(hidden[i], \"hide\"); } } }\n if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)\n { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], \"unhide\"); } } }\n\n if (display.wrapper.offsetHeight)\n { doc.scrollTop = cm.display.scroller.scrollTop; }\n\n // Fire change events, and delayed event handlers\n if (op.changeObjs)\n { signal(cm, \"changes\", cm, op.changeObjs); }\n if (op.update)\n { op.update.finish(); }\n }\n\n // Run the given function in an operation\n function runInOp(cm, f) {\n if (cm.curOp) { return f() }\n startOperation(cm);\n try { return f() }\n finally { endOperation(cm); }\n }\n // Wraps a function in an operation. Returns the wrapped function.\n function operation(cm, f) {\n return function() {\n if (cm.curOp) { return f.apply(cm, arguments) }\n startOperation(cm);\n try { return f.apply(cm, arguments) }\n finally { endOperation(cm); }\n }\n }\n // Used to add methods to editor and doc instances, wrapping them in\n // operations.\n function methodOp(f) {\n return function() {\n if (this.curOp) { return f.apply(this, arguments) }\n startOperation(this);\n try { return f.apply(this, arguments) }\n finally { endOperation(this); }\n }\n }\n function docMethodOp(f) {\n return function() {\n var cm = this.cm;\n if (!cm || cm.curOp) { return f.apply(this, arguments) }\n startOperation(cm);\n try { return f.apply(this, arguments) }\n finally { endOperation(cm); }\n }\n }\n\n // HIGHLIGHT WORKER\n\n function startWorker(cm, time) {\n if (cm.doc.highlightFrontier < cm.display.viewTo)\n { cm.state.highlight.set(time, bind(highlightWorker, cm)); }\n }\n\n function highlightWorker(cm) {\n var doc = cm.doc;\n if (doc.highlightFrontier >= cm.display.viewTo) { return }\n var end = +new Date + cm.options.workTime;\n var context = getContextBefore(cm, doc.highlightFrontier);\n var changedLines = [];\n\n doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {\n if (context.line >= cm.display.viewFrom) { // Visible\n var oldStyles = line.styles;\n var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;\n var highlighted = highlightLine(cm, line, context, true);\n if (resetState) { context.state = resetState; }\n line.styles = highlighted.styles;\n var oldCls = line.styleClasses, newCls = highlighted.classes;\n if (newCls) { line.styleClasses = newCls; }\n else if (oldCls) { line.styleClasses = null; }\n var ischange = !oldStyles || oldStyles.length != line.styles.length ||\n oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);\n for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }\n if (ischange) { changedLines.push(context.line); }\n line.stateAfter = context.save();\n context.nextLine();\n } else {\n if (line.text.length <= cm.options.maxHighlightLength)\n { processLine(cm, line.text, context); }\n line.stateAfter = context.line % 5 == 0 ? context.save() : null;\n context.nextLine();\n }\n if (+new Date > end) {\n startWorker(cm, cm.options.workDelay);\n return true\n }\n });\n doc.highlightFrontier = context.line;\n doc.modeFrontier = Math.max(doc.modeFrontier, context.line);\n if (changedLines.length) { runInOp(cm, function () {\n for (var i = 0; i < changedLines.length; i++)\n { regLineChange(cm, changedLines[i], \"text\"); }\n }); }\n }\n\n // DISPLAY DRAWING\n\n var DisplayUpdate = function(cm, viewport, force) {\n var display = cm.display;\n\n this.viewport = viewport;\n // Store some values that we'll need later (but don't want to force a relayout for)\n this.visible = visibleLines(display, cm.doc, viewport);\n this.editorIsHidden = !display.wrapper.offsetWidth;\n this.wrapperHeight = display.wrapper.clientHeight;\n this.wrapperWidth = display.wrapper.clientWidth;\n this.oldDisplayWidth = displayWidth(cm);\n this.force = force;\n this.dims = getDimensions(cm);\n this.events = [];\n };\n\n DisplayUpdate.prototype.signal = function (emitter, type) {\n if (hasHandler(emitter, type))\n { this.events.push(arguments); }\n };\n DisplayUpdate.prototype.finish = function () {\n for (var i = 0; i < this.events.length; i++)\n { signal.apply(null, this.events[i]); }\n };\n\n function maybeClipScrollbars(cm) {\n var display = cm.display;\n if (!display.scrollbarsClipped && display.scroller.offsetWidth) {\n display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;\n display.heightForcer.style.height = scrollGap(cm) + \"px\";\n display.sizer.style.marginBottom = -display.nativeBarWidth + \"px\";\n display.sizer.style.borderRightWidth = scrollGap(cm) + \"px\";\n display.scrollbarsClipped = true;\n }\n }\n\n function selectionSnapshot(cm) {\n if (cm.hasFocus()) { return null }\n var active = activeElt(root(cm));\n if (!active || !contains(cm.display.lineDiv, active)) { return null }\n var result = {activeElt: active};\n if (window.getSelection) {\n var sel = win(cm).getSelection();\n if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {\n result.anchorNode = sel.anchorNode;\n result.anchorOffset = sel.anchorOffset;\n result.focusNode = sel.focusNode;\n result.focusOffset = sel.focusOffset;\n }\n }\n return result\n }\n\n function restoreSelection(snapshot) {\n if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt(rootNode(snapshot.activeElt))) { return }\n snapshot.activeElt.focus();\n if (!/^(INPUT|TEXTAREA)$/.test(snapshot.activeElt.nodeName) &&\n snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {\n var doc = snapshot.activeElt.ownerDocument;\n var sel = doc.defaultView.getSelection(), range = doc.createRange();\n range.setEnd(snapshot.anchorNode, snapshot.anchorOffset);\n range.collapse(false);\n sel.removeAllRanges();\n sel.addRange(range);\n sel.extend(snapshot.focusNode, snapshot.focusOffset);\n }\n }\n\n // Does the actual updating of the line display. Bails out\n // (returning false) when there is nothing to be done and forced is\n // false.\n function updateDisplayIfNeeded(cm, update) {\n var display = cm.display, doc = cm.doc;\n\n if (update.editorIsHidden) {\n resetView(cm);\n return false\n }\n\n // Bail out if the visible area is already rendered and nothing changed.\n if (!update.force &&\n update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&\n display.renderedView == display.view && countDirtyView(cm) == 0)\n { return false }\n\n if (maybeUpdateLineNumberWidth(cm)) {\n resetView(cm);\n update.dims = getDimensions(cm);\n }\n\n // Compute a suitable new viewport (from & to)\n var end = doc.first + doc.size;\n var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);\n var to = Math.min(end, update.visible.to + cm.options.viewportMargin);\n if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }\n if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }\n if (sawCollapsedSpans) {\n from = visualLineNo(cm.doc, from);\n to = visualLineEndNo(cm.doc, to);\n }\n\n var different = from != display.viewFrom || to != display.viewTo ||\n display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;\n adjustView(cm, from, to);\n\n display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));\n // Position the mover div to align with the current scroll position\n cm.display.mover.style.top = display.viewOffset + \"px\";\n\n var toUpdate = countDirtyView(cm);\n if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))\n { return false }\n\n // For big changes, we hide the enclosing element during the\n // update, since that speeds up the operations on most browsers.\n var selSnapshot = selectionSnapshot(cm);\n if (toUpdate > 4) { display.lineDiv.style.display = \"none\"; }\n patchDisplay(cm, display.updateLineNumbers, update.dims);\n if (toUpdate > 4) { display.lineDiv.style.display = \"\"; }\n display.renderedView = display.view;\n // There might have been a widget with a focused element that got\n // hidden or updated, if so re-focus it.\n restoreSelection(selSnapshot);\n\n // Prevent selection and cursors from interfering with the scroll\n // width and height.\n removeChildren(display.cursorDiv);\n removeChildren(display.selectionDiv);\n display.gutters.style.height = display.sizer.style.minHeight = 0;\n\n if (different) {\n display.lastWrapHeight = update.wrapperHeight;\n display.lastWrapWidth = update.wrapperWidth;\n startWorker(cm, 400);\n }\n\n display.updateLineNumbers = null;\n\n return true\n }\n\n function postUpdateDisplay(cm, update) {\n var viewport = update.viewport;\n\n for (var first = true;; first = false) {\n if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {\n // Clip forced viewport to actual scrollable area.\n if (viewport && viewport.top != null)\n { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }\n // Updated line heights might result in the drawn area not\n // actually covering the viewport. Keep looping until it does.\n update.visible = visibleLines(cm.display, cm.doc, viewport);\n if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)\n { break }\n } else if (first) {\n update.visible = visibleLines(cm.display, cm.doc, viewport);\n }\n if (!updateDisplayIfNeeded(cm, update)) { break }\n updateHeightsInViewport(cm);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.force = false;\n }\n\n update.signal(cm, \"update\", cm);\n if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {\n update.signal(cm, \"viewportChange\", cm, cm.display.viewFrom, cm.display.viewTo);\n cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;\n }\n }\n\n function updateDisplaySimple(cm, viewport) {\n var update = new DisplayUpdate(cm, viewport);\n if (updateDisplayIfNeeded(cm, update)) {\n updateHeightsInViewport(cm);\n postUpdateDisplay(cm, update);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.finish();\n }\n }\n\n // Sync the actual display DOM structure with display.view, removing\n // nodes for lines that are no longer in view, and creating the ones\n // that are not there yet, and updating the ones that are out of\n // date.\n function patchDisplay(cm, updateNumbersFrom, dims) {\n var display = cm.display, lineNumbers = cm.options.lineNumbers;\n var container = display.lineDiv, cur = container.firstChild;\n\n function rm(node) {\n var next = node.nextSibling;\n // Works around a throw-scroll bug in OS X Webkit\n if (webkit && mac && cm.display.currentWheelTarget == node)\n { node.style.display = \"none\"; }\n else\n { node.parentNode.removeChild(node); }\n return next\n }\n\n var view = display.view, lineN = display.viewFrom;\n // Loop over the elements in the view, syncing cur (the DOM nodes\n // in display.lineDiv) with the view as we go.\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet\n var node = buildLineElement(cm, lineView, lineN, dims);\n container.insertBefore(node, cur);\n } else { // Already drawn\n while (cur != lineView.node) { cur = rm(cur); }\n var updateNumber = lineNumbers && updateNumbersFrom != null &&\n updateNumbersFrom <= lineN && lineView.lineNumber;\n if (lineView.changes) {\n if (indexOf(lineView.changes, \"gutter\") > -1) { updateNumber = false; }\n updateLineForChanges(cm, lineView, lineN, dims);\n }\n if (updateNumber) {\n removeChildren(lineView.lineNumber);\n lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));\n }\n cur = lineView.node.nextSibling;\n }\n lineN += lineView.size;\n }\n while (cur) { cur = rm(cur); }\n }\n\n function updateGutterSpace(display) {\n var width = display.gutters.offsetWidth;\n display.sizer.style.marginLeft = width + \"px\";\n // Send an event to consumers responding to changes in gutter width.\n signalLater(display, \"gutterChanged\", display);\n }\n\n function setDocumentHeight(cm, measure) {\n cm.display.sizer.style.minHeight = measure.docHeight + \"px\";\n cm.display.heightForcer.style.top = measure.docHeight + \"px\";\n cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + \"px\";\n }\n\n // Re-align line numbers and gutter marks to compensate for\n // horizontal scrolling.\n function alignHorizontally(cm) {\n var display = cm.display, view = display.view;\n if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }\n var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;\n var gutterW = display.gutters.offsetWidth, left = comp + \"px\";\n for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {\n if (cm.options.fixedGutter) {\n if (view[i].gutter)\n { view[i].gutter.style.left = left; }\n if (view[i].gutterBackground)\n { view[i].gutterBackground.style.left = left; }\n }\n var align = view[i].alignable;\n if (align) { for (var j = 0; j < align.length; j++)\n { align[j].style.left = left; } }\n } }\n if (cm.options.fixedGutter)\n { display.gutters.style.left = (comp + gutterW) + \"px\"; }\n }\n\n // Used to ensure that the line number gutter is still the right\n // size for the current document size. Returns true when an update\n // is needed.\n function maybeUpdateLineNumberWidth(cm) {\n if (!cm.options.lineNumbers) { return false }\n var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;\n if (last.length != display.lineNumChars) {\n var test = display.measure.appendChild(elt(\"div\", [elt(\"div\", last)],\n \"CodeMirror-linenumber CodeMirror-gutter-elt\"));\n var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;\n display.lineGutter.style.width = \"\";\n display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;\n display.lineNumWidth = display.lineNumInnerWidth + padding;\n display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;\n display.lineGutter.style.width = display.lineNumWidth + \"px\";\n updateGutterSpace(cm.display);\n return true\n }\n return false\n }\n\n function getGutters(gutters, lineNumbers) {\n var result = [], sawLineNumbers = false;\n for (var i = 0; i < gutters.length; i++) {\n var name = gutters[i], style = null;\n if (typeof name != \"string\") { style = name.style; name = name.className; }\n if (name == \"CodeMirror-linenumbers\") {\n if (!lineNumbers) { continue }\n else { sawLineNumbers = true; }\n }\n result.push({className: name, style: style});\n }\n if (lineNumbers && !sawLineNumbers) { result.push({className: \"CodeMirror-linenumbers\", style: null}); }\n return result\n }\n\n // Rebuild the gutter elements, ensure the margin to the left of the\n // code matches their width.\n function renderGutters(display) {\n var gutters = display.gutters, specs = display.gutterSpecs;\n removeChildren(gutters);\n display.lineGutter = null;\n for (var i = 0; i < specs.length; ++i) {\n var ref = specs[i];\n var className = ref.className;\n var style = ref.style;\n var gElt = gutters.appendChild(elt(\"div\", null, \"CodeMirror-gutter \" + className));\n if (style) { gElt.style.cssText = style; }\n if (className == \"CodeMirror-linenumbers\") {\n display.lineGutter = gElt;\n gElt.style.width = (display.lineNumWidth || 1) + \"px\";\n }\n }\n gutters.style.display = specs.length ? \"\" : \"none\";\n updateGutterSpace(display);\n }\n\n function updateGutters(cm) {\n renderGutters(cm.display);\n regChange(cm);\n alignHorizontally(cm);\n }\n\n // The display handles the DOM integration, both for input reading\n // and content drawing. It holds references to DOM nodes and\n // display-related state.\n\n function Display(place, doc, input, options) {\n var d = this;\n this.input = input;\n\n // Covers bottom-right square when both scrollbars are present.\n d.scrollbarFiller = elt(\"div\", null, \"CodeMirror-scrollbar-filler\");\n d.scrollbarFiller.setAttribute(\"cm-not-content\", \"true\");\n // Covers bottom of gutter when coverGutterNextToScrollbar is on\n // and h scrollbar is present.\n d.gutterFiller = elt(\"div\", null, \"CodeMirror-gutter-filler\");\n d.gutterFiller.setAttribute(\"cm-not-content\", \"true\");\n // Will contain the actual code, positioned to cover the viewport.\n d.lineDiv = eltP(\"div\", null, \"CodeMirror-code\");\n // Elements are added to these to represent selection and cursors.\n d.selectionDiv = elt(\"div\", null, null, \"position: relative; z-index: 1\");\n d.cursorDiv = elt(\"div\", null, \"CodeMirror-cursors\");\n // A visibility: hidden element used to find the size of things.\n d.measure = elt(\"div\", null, \"CodeMirror-measure\");\n // When lines outside of the viewport are measured, they are drawn in this.\n d.lineMeasure = elt(\"div\", null, \"CodeMirror-measure\");\n // Wraps everything that needs to exist inside the vertically-padded coordinate system\n d.lineSpace = eltP(\"div\", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],\n null, \"position: relative; outline: none\");\n var lines = eltP(\"div\", [d.lineSpace], \"CodeMirror-lines\");\n // Moved around its parent to cover visible view.\n d.mover = elt(\"div\", [lines], null, \"position: relative\");\n // Set to the height of the document, allowing scrolling.\n d.sizer = elt(\"div\", [d.mover], \"CodeMirror-sizer\");\n d.sizerWidth = null;\n // Behavior of elts with overflow: auto and padding is\n // inconsistent across browsers. This is used to ensure the\n // scrollable area is big enough.\n d.heightForcer = elt(\"div\", null, null, \"position: absolute; height: \" + scrollerGap + \"px; width: 1px;\");\n // Will contain the gutters, if any.\n d.gutters = elt(\"div\", null, \"CodeMirror-gutters\");\n d.lineGutter = null;\n // Actual scrollable element.\n d.scroller = elt(\"div\", [d.sizer, d.heightForcer, d.gutters], \"CodeMirror-scroll\");\n d.scroller.setAttribute(\"tabIndex\", \"-1\");\n // The element in which the editor lives.\n d.wrapper = elt(\"div\", [d.scrollbarFiller, d.gutterFiller, d.scroller], \"CodeMirror\");\n // See #6982. FIXME remove when this has been fixed for a while in Chrome\n if (chrome && chrome_version >= 105) { d.wrapper.style.clipPath = \"inset(0px)\"; }\n\n // This attribute is respected by automatic translation systems such as Google Translate,\n // and may also be respected by tools used by human translators.\n d.wrapper.setAttribute('translate', 'no');\n\n // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)\n if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }\n if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }\n\n if (place) {\n if (place.appendChild) { place.appendChild(d.wrapper); }\n else { place(d.wrapper); }\n }\n\n // Current rendered range (may be bigger than the view window).\n d.viewFrom = d.viewTo = doc.first;\n d.reportedViewFrom = d.reportedViewTo = doc.first;\n // Information about the rendered lines.\n d.view = [];\n d.renderedView = null;\n // Holds info about a single rendered line when it was rendered\n // for measurement, while not in view.\n d.externalMeasured = null;\n // Empty space (in pixels) above the view\n d.viewOffset = 0;\n d.lastWrapHeight = d.lastWrapWidth = 0;\n d.updateLineNumbers = null;\n\n d.nativeBarWidth = d.barHeight = d.barWidth = 0;\n d.scrollbarsClipped = false;\n\n // Used to only resize the line number gutter when necessary (when\n // the amount of lines crosses a boundary that makes its width change)\n d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;\n // Set to true when a non-horizontal-scrolling line widget is\n // added. As an optimization, line widget aligning is skipped when\n // this is false.\n d.alignWidgets = false;\n\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n\n // Tracks the maximum line length so that the horizontal scrollbar\n // can be kept static when scrolling.\n d.maxLine = null;\n d.maxLineLength = 0;\n d.maxLineChanged = false;\n\n // Used for measuring wheel scrolling granularity\n d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;\n\n // True when shift is held down.\n d.shift = false;\n\n // Used to track whether anything happened since the context menu\n // was opened.\n d.selForContextMenu = null;\n\n d.activeTouch = null;\n\n d.gutterSpecs = getGutters(options.gutters, options.lineNumbers);\n renderGutters(d);\n\n input.init(d);\n }\n\n // Since the delta values reported on mouse wheel events are\n // unstandardized between browsers and even browser versions, and\n // generally horribly unpredictable, this code starts by measuring\n // the scroll effect that the first few mouse wheel events have,\n // and, from that, detects the way it can convert deltas to pixel\n // offsets afterwards.\n //\n // The reason we want to know the amount a wheel event will scroll\n // is that it gives us a chance to update the display before the\n // actual scrolling happens, reducing flickering.\n\n var wheelSamples = 0, wheelPixelsPerUnit = null;\n // Fill in a browser-detected starting value on browsers where we\n // know one. These don't have to be accurate -- the result of them\n // being wrong would just be a slight flicker on the first wheel\n // scroll (if it is large enough).\n if (ie) { wheelPixelsPerUnit = -.53; }\n else if (gecko) { wheelPixelsPerUnit = 15; }\n else if (chrome) { wheelPixelsPerUnit = -.7; }\n else if (safari) { wheelPixelsPerUnit = -1/3; }\n\n function wheelEventDelta(e) {\n var dx = e.wheelDeltaX, dy = e.wheelDeltaY;\n if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }\n if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }\n else if (dy == null) { dy = e.wheelDelta; }\n return {x: dx, y: dy}\n }\n function wheelEventPixels(e) {\n var delta = wheelEventDelta(e);\n delta.x *= wheelPixelsPerUnit;\n delta.y *= wheelPixelsPerUnit;\n return delta\n }\n\n function onScrollWheel(cm, e) {\n // On Chrome 102, viewport updates somehow stop wheel-based\n // scrolling. Turning off pointer events during the scroll seems\n // to avoid the issue.\n if (chrome && chrome_version == 102) {\n if (cm.display.chromeScrollHack == null) { cm.display.sizer.style.pointerEvents = \"none\"; }\n else { clearTimeout(cm.display.chromeScrollHack); }\n cm.display.chromeScrollHack = setTimeout(function () {\n cm.display.chromeScrollHack = null;\n cm.display.sizer.style.pointerEvents = \"\";\n }, 100);\n }\n var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;\n var pixelsPerUnit = wheelPixelsPerUnit;\n if (e.deltaMode === 0) {\n dx = e.deltaX;\n dy = e.deltaY;\n pixelsPerUnit = 1;\n }\n\n var display = cm.display, scroll = display.scroller;\n // Quit if there's nothing to scroll here\n var canScrollX = scroll.scrollWidth > scroll.clientWidth;\n var canScrollY = scroll.scrollHeight > scroll.clientHeight;\n if (!(dx && canScrollX || dy && canScrollY)) { return }\n\n // Webkit browsers on OS X abort momentum scrolls when the target\n // of the scroll event is removed from the scrollable element.\n // This hack (see related code in patchDisplay) makes sure the\n // element is kept around.\n if (dy && mac && webkit) {\n outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {\n for (var i = 0; i < view.length; i++) {\n if (view[i].node == cur) {\n cm.display.currentWheelTarget = cur;\n break outer\n }\n }\n }\n }\n\n // On some browsers, horizontal scrolling will cause redraws to\n // happen before the gutter has been realigned, causing it to\n // wriggle around in a most unseemly way. When we have an\n // estimated pixels/delta value, we just handle horizontal\n // scrolling entirely here. It'll be slightly off from native, but\n // better than glitching out.\n if (dx && !gecko && !presto && pixelsPerUnit != null) {\n if (dy && canScrollY)\n { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * pixelsPerUnit)); }\n setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * pixelsPerUnit));\n // Only prevent default scrolling if vertical scrolling is\n // actually possible. Otherwise, it causes vertical scroll\n // jitter on OSX trackpads when deltaX is small and deltaY\n // is large (issue #3579)\n if (!dy || (dy && canScrollY))\n { e_preventDefault(e); }\n display.wheelStartX = null; // Abort measurement, if in progress\n return\n }\n\n // 'Project' the visible viewport to cover the area that is being\n // scrolled into view (if we know enough to estimate it).\n if (dy && pixelsPerUnit != null) {\n var pixels = dy * pixelsPerUnit;\n var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;\n if (pixels < 0) { top = Math.max(0, top + pixels - 50); }\n else { bot = Math.min(cm.doc.height, bot + pixels + 50); }\n updateDisplaySimple(cm, {top: top, bottom: bot});\n }\n\n if (wheelSamples < 20 && e.deltaMode !== 0) {\n if (display.wheelStartX == null) {\n display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;\n display.wheelDX = dx; display.wheelDY = dy;\n setTimeout(function () {\n if (display.wheelStartX == null) { return }\n var movedX = scroll.scrollLeft - display.wheelStartX;\n var movedY = scroll.scrollTop - display.wheelStartY;\n var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||\n (movedX && display.wheelDX && movedX / display.wheelDX);\n display.wheelStartX = display.wheelStartY = null;\n if (!sample) { return }\n wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);\n ++wheelSamples;\n }, 200);\n } else {\n display.wheelDX += dx; display.wheelDY += dy;\n }\n }\n }\n\n // Selection objects are immutable. A new one is created every time\n // the selection changes. A selection is one or more non-overlapping\n // (and non-touching) ranges, sorted, and an integer that indicates\n // which one is the primary selection (the one that's scrolled into\n // view, that getCursor returns, etc).\n var Selection = function(ranges, primIndex) {\n this.ranges = ranges;\n this.primIndex = primIndex;\n };\n\n Selection.prototype.primary = function () { return this.ranges[this.primIndex] };\n\n Selection.prototype.equals = function (other) {\n if (other == this) { return true }\n if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }\n for (var i = 0; i < this.ranges.length; i++) {\n var here = this.ranges[i], there = other.ranges[i];\n if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }\n }\n return true\n };\n\n Selection.prototype.deepCopy = function () {\n var out = [];\n for (var i = 0; i < this.ranges.length; i++)\n { out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); }\n return new Selection(out, this.primIndex)\n };\n\n Selection.prototype.somethingSelected = function () {\n for (var i = 0; i < this.ranges.length; i++)\n { if (!this.ranges[i].empty()) { return true } }\n return false\n };\n\n Selection.prototype.contains = function (pos, end) {\n if (!end) { end = pos; }\n for (var i = 0; i < this.ranges.length; i++) {\n var range = this.ranges[i];\n if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)\n { return i }\n }\n return -1\n };\n\n var Range = function(anchor, head) {\n this.anchor = anchor; this.head = head;\n };\n\n Range.prototype.from = function () { return minPos(this.anchor, this.head) };\n Range.prototype.to = function () { return maxPos(this.anchor, this.head) };\n Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };\n\n // Take an unsorted, potentially overlapping set of ranges, and\n // build a selection out of it. 'Consumes' ranges array (modifying\n // it).\n function normalizeSelection(cm, ranges, primIndex) {\n var mayTouch = cm && cm.options.selectionsMayTouch;\n var prim = ranges[primIndex];\n ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });\n primIndex = indexOf(ranges, prim);\n for (var i = 1; i < ranges.length; i++) {\n var cur = ranges[i], prev = ranges[i - 1];\n var diff = cmp(prev.to(), cur.from());\n if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) {\n var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());\n var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;\n if (i <= primIndex) { --primIndex; }\n ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));\n }\n }\n return new Selection(ranges, primIndex)\n }\n\n function simpleSelection(anchor, head) {\n return new Selection([new Range(anchor, head || anchor)], 0)\n }\n\n // Compute the position of the end of a change (its 'to' property\n // refers to the pre-change end).\n function changeEnd(change) {\n if (!change.text) { return change.to }\n return Pos(change.from.line + change.text.length - 1,\n lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))\n }\n\n // Adjust a position to refer to the post-change position of the\n // same text, or the end of the change if the change covers it.\n function adjustForChange(pos, change) {\n if (cmp(pos, change.from) < 0) { return pos }\n if (cmp(pos, change.to) <= 0) { return changeEnd(change) }\n\n var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;\n if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }\n return Pos(line, ch)\n }\n\n function computeSelAfterChange(doc, change) {\n var out = [];\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n var range = doc.sel.ranges[i];\n out.push(new Range(adjustForChange(range.anchor, change),\n adjustForChange(range.head, change)));\n }\n return normalizeSelection(doc.cm, out, doc.sel.primIndex)\n }\n\n function offsetPos(pos, old, nw) {\n if (pos.line == old.line)\n { return Pos(nw.line, pos.ch - old.ch + nw.ch) }\n else\n { return Pos(nw.line + (pos.line - old.line), pos.ch) }\n }\n\n // Used by replaceSelections to allow moving the selection to the\n // start or around the replaced test. Hint may be \"start\" or \"around\".\n function computeReplacedSel(doc, changes, hint) {\n var out = [];\n var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;\n for (var i = 0; i < changes.length; i++) {\n var change = changes[i];\n var from = offsetPos(change.from, oldPrev, newPrev);\n var to = offsetPos(changeEnd(change), oldPrev, newPrev);\n oldPrev = change.to;\n newPrev = to;\n if (hint == \"around\") {\n var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;\n out[i] = new Range(inv ? to : from, inv ? from : to);\n } else {\n out[i] = new Range(from, from);\n }\n }\n return new Selection(out, doc.sel.primIndex)\n }\n\n // Used to get the editor into a consistent state again when options change.\n\n function loadMode(cm) {\n cm.doc.mode = getMode(cm.options, cm.doc.modeOption);\n resetModeState(cm);\n }\n\n function resetModeState(cm) {\n cm.doc.iter(function (line) {\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n });\n cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;\n startWorker(cm, 100);\n cm.state.modeGen++;\n if (cm.curOp) { regChange(cm); }\n }\n\n // DOCUMENT DATA STRUCTURE\n\n // By default, updates that start and end at the beginning of a line\n // are treated specially, in order to make the association of line\n // widgets and marker elements with the text behave more intuitive.\n function isWholeLineUpdate(doc, change) {\n return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == \"\" &&\n (!doc.cm || doc.cm.options.wholeLineUpdateBefore)\n }\n\n // Perform a change on the document data structure.\n function updateDoc(doc, change, markedSpans, estimateHeight) {\n function spansFor(n) {return markedSpans ? markedSpans[n] : null}\n function update(line, text, spans) {\n updateLine(line, text, spans, estimateHeight);\n signalLater(line, \"change\", line, change);\n }\n function linesFor(start, end) {\n var result = [];\n for (var i = start; i < end; ++i)\n { result.push(new Line(text[i], spansFor(i), estimateHeight)); }\n return result\n }\n\n var from = change.from, to = change.to, text = change.text;\n var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);\n var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;\n\n // Adjust the line structure\n if (change.full) {\n doc.insert(0, linesFor(0, text.length));\n doc.remove(text.length, doc.size - text.length);\n } else if (isWholeLineUpdate(doc, change)) {\n // This is a whole-line replace. Treated specially to make\n // sure line objects move the way they are supposed to.\n var added = linesFor(0, text.length - 1);\n update(lastLine, lastLine.text, lastSpans);\n if (nlines) { doc.remove(from.line, nlines); }\n if (added.length) { doc.insert(from.line, added); }\n } else if (firstLine == lastLine) {\n if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);\n } else {\n var added$1 = linesFor(1, text.length - 1);\n added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n doc.insert(from.line + 1, added$1);\n }\n } else if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));\n doc.remove(from.line + 1, nlines);\n } else {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);\n var added$2 = linesFor(1, text.length - 1);\n if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }\n doc.insert(from.line + 1, added$2);\n }\n\n signalLater(doc, \"change\", doc, change);\n }\n\n // Call f for all linked documents.\n function linkedDocs(doc, f, sharedHistOnly) {\n function propagate(doc, skip, sharedHist) {\n if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {\n var rel = doc.linked[i];\n if (rel.doc == skip) { continue }\n var shared = sharedHist && rel.sharedHist;\n if (sharedHistOnly && !shared) { continue }\n f(rel.doc, shared);\n propagate(rel.doc, doc, shared);\n } }\n }\n propagate(doc, null, true);\n }\n\n // Attach a document to an editor.\n function attachDoc(cm, doc) {\n if (doc.cm) { throw new Error(\"This document is already in use.\") }\n cm.doc = doc;\n doc.cm = cm;\n estimateLineHeights(cm);\n loadMode(cm);\n setDirectionClass(cm);\n cm.options.direction = doc.direction;\n if (!cm.options.lineWrapping) { findMaxLine(cm); }\n cm.options.mode = doc.modeOption;\n regChange(cm);\n }\n\n function setDirectionClass(cm) {\n (cm.doc.direction == \"rtl\" ? addClass : rmClass)(cm.display.lineDiv, \"CodeMirror-rtl\");\n }\n\n function directionChanged(cm) {\n runInOp(cm, function () {\n setDirectionClass(cm);\n regChange(cm);\n });\n }\n\n function History(prev) {\n // Arrays of change events and selections. Doing something adds an\n // event to done and clears undo. Undoing moves events from done\n // to undone, redoing moves them in the other direction.\n this.done = []; this.undone = [];\n this.undoDepth = prev ? prev.undoDepth : Infinity;\n // Used to track when changes can be merged into a single undo\n // event\n this.lastModTime = this.lastSelTime = 0;\n this.lastOp = this.lastSelOp = null;\n this.lastOrigin = this.lastSelOrigin = null;\n // Used by the isClean() method\n this.generation = this.maxGeneration = prev ? prev.maxGeneration : 1;\n }\n\n // Create a history change event from an updateDoc-style change\n // object.\n function historyChangeFromChange(doc, change) {\n var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};\n attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);\n linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);\n return histChange\n }\n\n // Pop all selection events off the end of a history array. Stop at\n // a change event.\n function clearSelectionEvents(array) {\n while (array.length) {\n var last = lst(array);\n if (last.ranges) { array.pop(); }\n else { break }\n }\n }\n\n // Find the top change event in the history. Pop off selection\n // events that are in the way.\n function lastChangeEvent(hist, force) {\n if (force) {\n clearSelectionEvents(hist.done);\n return lst(hist.done)\n } else if (hist.done.length && !lst(hist.done).ranges) {\n return lst(hist.done)\n } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {\n hist.done.pop();\n return lst(hist.done)\n }\n }\n\n // Register a change in the history. Merges changes that are within\n // a single operation, or are close together with an origin that\n // allows merging (starting with \"+\") into a single event.\n function addChangeToHistory(doc, change, selAfter, opId) {\n var hist = doc.history;\n hist.undone.length = 0;\n var time = +new Date, cur;\n var last;\n\n if ((hist.lastOp == opId ||\n hist.lastOrigin == change.origin && change.origin &&\n ((change.origin.charAt(0) == \"+\" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) ||\n change.origin.charAt(0) == \"*\")) &&\n (cur = lastChangeEvent(hist, hist.lastOp == opId))) {\n // Merge this change into the last event\n last = lst(cur.changes);\n if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {\n // Optimized case for simple insertion -- don't want to add\n // new changesets for every character typed\n last.to = changeEnd(change);\n } else {\n // Add new sub-event\n cur.changes.push(historyChangeFromChange(doc, change));\n }\n } else {\n // Can not be merged, start a new event.\n var before = lst(hist.done);\n if (!before || !before.ranges)\n { pushSelectionToHistory(doc.sel, hist.done); }\n cur = {changes: [historyChangeFromChange(doc, change)],\n generation: hist.generation};\n hist.done.push(cur);\n while (hist.done.length > hist.undoDepth) {\n hist.done.shift();\n if (!hist.done[0].ranges) { hist.done.shift(); }\n }\n }\n hist.done.push(selAfter);\n hist.generation = ++hist.maxGeneration;\n hist.lastModTime = hist.lastSelTime = time;\n hist.lastOp = hist.lastSelOp = opId;\n hist.lastOrigin = hist.lastSelOrigin = change.origin;\n\n if (!last) { signal(doc, \"historyAdded\"); }\n }\n\n function selectionEventCanBeMerged(doc, origin, prev, sel) {\n var ch = origin.charAt(0);\n return ch == \"*\" ||\n ch == \"+\" &&\n prev.ranges.length == sel.ranges.length &&\n prev.somethingSelected() == sel.somethingSelected() &&\n new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)\n }\n\n // Called whenever the selection changes, sets the new selection as\n // the pending selection in the history, and pushes the old pending\n // selection into the 'done' array when it was significantly\n // different (in number of selected ranges, emptiness, or time).\n function addSelectionToHistory(doc, sel, opId, options) {\n var hist = doc.history, origin = options && options.origin;\n\n // A new event is started when the previous origin does not match\n // the current, or the origins don't allow matching. Origins\n // starting with * are always merged, those starting with + are\n // merged when similar and close together in time.\n if (opId == hist.lastSelOp ||\n (origin && hist.lastSelOrigin == origin &&\n (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||\n selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))\n { hist.done[hist.done.length - 1] = sel; }\n else\n { pushSelectionToHistory(sel, hist.done); }\n\n hist.lastSelTime = +new Date;\n hist.lastSelOrigin = origin;\n hist.lastSelOp = opId;\n if (options && options.clearRedo !== false)\n { clearSelectionEvents(hist.undone); }\n }\n\n function pushSelectionToHistory(sel, dest) {\n var top = lst(dest);\n if (!(top && top.ranges && top.equals(sel)))\n { dest.push(sel); }\n }\n\n // Used to store marked span information in the history.\n function attachLocalSpans(doc, change, from, to) {\n var existing = change[\"spans_\" + doc.id], n = 0;\n doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {\n if (line.markedSpans)\n { (existing || (existing = change[\"spans_\" + doc.id] = {}))[n] = line.markedSpans; }\n ++n;\n });\n }\n\n // When un/re-doing restores text containing marked spans, those\n // that have been explicitly cleared should not be restored.\n function removeClearedSpans(spans) {\n if (!spans) { return null }\n var out;\n for (var i = 0; i < spans.length; ++i) {\n if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }\n else if (out) { out.push(spans[i]); }\n }\n return !out ? spans : out.length ? out : null\n }\n\n // Retrieve and filter the old marked spans stored in a change event.\n function getOldSpans(doc, change) {\n var found = change[\"spans_\" + doc.id];\n if (!found) { return null }\n var nw = [];\n for (var i = 0; i < change.text.length; ++i)\n { nw.push(removeClearedSpans(found[i])); }\n return nw\n }\n\n // Used for un/re-doing changes from the history. Combines the\n // result of computing the existing spans with the set of spans that\n // existed in the history (so that deleting around a span and then\n // undoing brings back the span).\n function mergeOldSpans(doc, change) {\n var old = getOldSpans(doc, change);\n var stretched = stretchSpansOverChange(doc, change);\n if (!old) { return stretched }\n if (!stretched) { return old }\n\n for (var i = 0; i < old.length; ++i) {\n var oldCur = old[i], stretchCur = stretched[i];\n if (oldCur && stretchCur) {\n spans: for (var j = 0; j < stretchCur.length; ++j) {\n var span = stretchCur[j];\n for (var k = 0; k < oldCur.length; ++k)\n { if (oldCur[k].marker == span.marker) { continue spans } }\n oldCur.push(span);\n }\n } else if (stretchCur) {\n old[i] = stretchCur;\n }\n }\n return old\n }\n\n // Used both to provide a JSON-safe object in .getHistory, and, when\n // detaching a document, to split the history in two\n function copyHistoryArray(events, newGroup, instantiateSel) {\n var copy = [];\n for (var i = 0; i < events.length; ++i) {\n var event = events[i];\n if (event.ranges) {\n copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);\n continue\n }\n var changes = event.changes, newChanges = [];\n copy.push({changes: newChanges});\n for (var j = 0; j < changes.length; ++j) {\n var change = changes[j], m = (void 0);\n newChanges.push({from: change.from, to: change.to, text: change.text});\n if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\\d+)$/)) {\n if (indexOf(newGroup, Number(m[1])) > -1) {\n lst(newChanges)[prop] = change[prop];\n delete change[prop];\n }\n } } }\n }\n }\n return copy\n }\n\n // The 'scroll' parameter given to many of these indicated whether\n // the new cursor position should be scrolled into view after\n // modifying the selection.\n\n // If shift is held or the extend flag is set, extends a range to\n // include a given position (and optionally a second position).\n // Otherwise, simply returns the range between the given positions.\n // Used for cursor motion and such.\n function extendRange(range, head, other, extend) {\n if (extend) {\n var anchor = range.anchor;\n if (other) {\n var posBefore = cmp(head, anchor) < 0;\n if (posBefore != (cmp(other, anchor) < 0)) {\n anchor = head;\n head = other;\n } else if (posBefore != (cmp(head, other) < 0)) {\n head = other;\n }\n }\n return new Range(anchor, head)\n } else {\n return new Range(other || head, head)\n }\n }\n\n // Extend the primary selection range, discard the rest.\n function extendSelection(doc, head, other, options, extend) {\n if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }\n setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);\n }\n\n // Extend all selections (pos is an array of selections with length\n // equal the number of selections)\n function extendSelections(doc, heads, options) {\n var out = [];\n var extend = doc.cm && (doc.cm.display.shift || doc.extend);\n for (var i = 0; i < doc.sel.ranges.length; i++)\n { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }\n var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex);\n setSelection(doc, newSel, options);\n }\n\n // Updates a single range in the selection.\n function replaceOneSelection(doc, i, range, options) {\n var ranges = doc.sel.ranges.slice(0);\n ranges[i] = range;\n setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options);\n }\n\n // Reset the selection to a single range.\n function setSimpleSelection(doc, anchor, head, options) {\n setSelection(doc, simpleSelection(anchor, head), options);\n }\n\n // Give beforeSelectionChange handlers a change to influence a\n // selection update.\n function filterSelectionChange(doc, sel, options) {\n var obj = {\n ranges: sel.ranges,\n update: function(ranges) {\n this.ranges = [];\n for (var i = 0; i < ranges.length; i++)\n { this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),\n clipPos(doc, ranges[i].head)); }\n },\n origin: options && options.origin\n };\n signal(doc, \"beforeSelectionChange\", doc, obj);\n if (doc.cm) { signal(doc.cm, \"beforeSelectionChange\", doc.cm, obj); }\n if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) }\n else { return sel }\n }\n\n function setSelectionReplaceHistory(doc, sel, options) {\n var done = doc.history.done, last = lst(done);\n if (last && last.ranges) {\n done[done.length - 1] = sel;\n setSelectionNoUndo(doc, sel, options);\n } else {\n setSelection(doc, sel, options);\n }\n }\n\n // Set a new selection.\n function setSelection(doc, sel, options) {\n setSelectionNoUndo(doc, sel, options);\n addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);\n }\n\n function setSelectionNoUndo(doc, sel, options) {\n if (hasHandler(doc, \"beforeSelectionChange\") || doc.cm && hasHandler(doc.cm, \"beforeSelectionChange\"))\n { sel = filterSelectionChange(doc, sel, options); }\n\n var bias = options && options.bias ||\n (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);\n setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));\n\n if (!(options && options.scroll === false) && doc.cm && doc.cm.getOption(\"readOnly\") != \"nocursor\")\n { ensureCursorVisible(doc.cm); }\n }\n\n function setSelectionInner(doc, sel) {\n if (sel.equals(doc.sel)) { return }\n\n doc.sel = sel;\n\n if (doc.cm) {\n doc.cm.curOp.updateInput = 1;\n doc.cm.curOp.selectionChanged = true;\n signalCursorActivity(doc.cm);\n }\n signalLater(doc, \"cursorActivity\", doc);\n }\n\n // Verify that the selection does not partially select any atomic\n // marked ranges.\n function reCheckSelection(doc) {\n setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));\n }\n\n // Return a selection that does not partially select any atomic\n // ranges.\n function skipAtomicInSelection(doc, sel, bias, mayClear) {\n var out;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range = sel.ranges[i];\n var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];\n var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);\n var newHead = range.head == range.anchor ? newAnchor : skipAtomic(doc, range.head, old && old.head, bias, mayClear);\n if (out || newAnchor != range.anchor || newHead != range.head) {\n if (!out) { out = sel.ranges.slice(0, i); }\n out[i] = new Range(newAnchor, newHead);\n }\n }\n return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel\n }\n\n function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {\n var line = getLine(doc, pos.line);\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var sp = line.markedSpans[i], m = sp.marker;\n\n // Determine if we should prevent the cursor being placed to the left/right of an atomic marker\n // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it\n // is with selectLeft/Right\n var preventCursorLeft = (\"selectLeft\" in m) ? !m.selectLeft : m.inclusiveLeft;\n var preventCursorRight = (\"selectRight\" in m) ? !m.selectRight : m.inclusiveRight;\n\n if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&\n (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) {\n if (mayClear) {\n signal(m, \"beforeCursorEnter\");\n if (m.explicitlyCleared) {\n if (!line.markedSpans) { break }\n else {--i; continue}\n }\n }\n if (!m.atomic) { continue }\n\n if (oldPos) {\n var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);\n if (dir < 0 ? preventCursorRight : preventCursorLeft)\n { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }\n if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))\n { return skipAtomicInner(doc, near, pos, dir, mayClear) }\n }\n\n var far = m.find(dir < 0 ? -1 : 1);\n if (dir < 0 ? preventCursorLeft : preventCursorRight)\n { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }\n return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null\n }\n } }\n return pos\n }\n\n // Ensure a given position is not inside an atomic range.\n function skipAtomic(doc, pos, oldPos, bias, mayClear) {\n var dir = bias || 1;\n var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||\n skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));\n if (!found) {\n doc.cantEdit = true;\n return Pos(doc.first, 0)\n }\n return found\n }\n\n function movePos(doc, pos, dir, line) {\n if (dir < 0 && pos.ch == 0) {\n if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }\n else { return null }\n } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {\n if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }\n else { return null }\n } else {\n return new Pos(pos.line, pos.ch + dir)\n }\n }\n\n function selectAll(cm) {\n cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);\n }\n\n // UPDATING\n\n // Allow \"beforeChange\" event handlers to influence a change\n function filterChange(doc, change, update) {\n var obj = {\n canceled: false,\n from: change.from,\n to: change.to,\n text: change.text,\n origin: change.origin,\n cancel: function () { return obj.canceled = true; }\n };\n if (update) { obj.update = function (from, to, text, origin) {\n if (from) { obj.from = clipPos(doc, from); }\n if (to) { obj.to = clipPos(doc, to); }\n if (text) { obj.text = text; }\n if (origin !== undefined) { obj.origin = origin; }\n }; }\n signal(doc, \"beforeChange\", doc, obj);\n if (doc.cm) { signal(doc.cm, \"beforeChange\", doc.cm, obj); }\n\n if (obj.canceled) {\n if (doc.cm) { doc.cm.curOp.updateInput = 2; }\n return null\n }\n return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}\n }\n\n // Apply a change to a document, and add it to the document's\n // history, and propagating it to all linked documents.\n function makeChange(doc, change, ignoreReadOnly) {\n if (doc.cm) {\n if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }\n if (doc.cm.state.suppressEdits) { return }\n }\n\n if (hasHandler(doc, \"beforeChange\") || doc.cm && hasHandler(doc.cm, \"beforeChange\")) {\n change = filterChange(doc, change, true);\n if (!change) { return }\n }\n\n // Possibly split or suppress the update based on the presence\n // of read-only spans in its range.\n var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);\n if (split) {\n for (var i = split.length - 1; i >= 0; --i)\n { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [\"\"] : change.text, origin: change.origin}); }\n } else {\n makeChangeInner(doc, change);\n }\n }\n\n function makeChangeInner(doc, change) {\n if (change.text.length == 1 && change.text[0] == \"\" && cmp(change.from, change.to) == 0) { return }\n var selAfter = computeSelAfterChange(doc, change);\n addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);\n\n makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));\n var rebased = [];\n\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));\n });\n }\n\n // Revert a change stored in a document's history.\n function makeChangeFromHistory(doc, type, allowSelectionOnly) {\n var suppress = doc.cm && doc.cm.state.suppressEdits;\n if (suppress && !allowSelectionOnly) { return }\n\n var hist = doc.history, event, selAfter = doc.sel;\n var source = type == \"undo\" ? hist.done : hist.undone, dest = type == \"undo\" ? hist.undone : hist.done;\n\n // Verify that there is a useable event (so that ctrl-z won't\n // needlessly clear selection events)\n var i = 0;\n for (; i < source.length; i++) {\n event = source[i];\n if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)\n { break }\n }\n if (i == source.length) { return }\n hist.lastOrigin = hist.lastSelOrigin = null;\n\n for (;;) {\n event = source.pop();\n if (event.ranges) {\n pushSelectionToHistory(event, dest);\n if (allowSelectionOnly && !event.equals(doc.sel)) {\n setSelection(doc, event, {clearRedo: false});\n return\n }\n selAfter = event;\n } else if (suppress) {\n source.push(event);\n return\n } else { break }\n }\n\n // Build up a reverse change object to add to the opposite history\n // stack (redo when undoing, and vice versa).\n var antiChanges = [];\n pushSelectionToHistory(selAfter, dest);\n dest.push({changes: antiChanges, generation: hist.generation});\n hist.generation = event.generation || ++hist.maxGeneration;\n\n var filter = hasHandler(doc, \"beforeChange\") || doc.cm && hasHandler(doc.cm, \"beforeChange\");\n\n var loop = function ( i ) {\n var change = event.changes[i];\n change.origin = type;\n if (filter && !filterChange(doc, change, false)) {\n source.length = 0;\n return {}\n }\n\n antiChanges.push(historyChangeFromChange(doc, change));\n\n var after = i ? computeSelAfterChange(doc, change) : lst(source);\n makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));\n if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }\n var rebased = [];\n\n // Propagate to the linked documents\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));\n });\n };\n\n for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {\n var returned = loop( i$1 );\n\n if ( returned ) return returned.v;\n }\n }\n\n // Sub-views need their line numbers shifted when text is added\n // above or below them in the parent document.\n function shiftDoc(doc, distance) {\n if (distance == 0) { return }\n doc.first += distance;\n doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(\n Pos(range.anchor.line + distance, range.anchor.ch),\n Pos(range.head.line + distance, range.head.ch)\n ); }), doc.sel.primIndex);\n if (doc.cm) {\n regChange(doc.cm, doc.first, doc.first - distance, distance);\n for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)\n { regLineChange(doc.cm, l, \"gutter\"); }\n }\n }\n\n // More lower-level change function, handling only a single document\n // (not linked ones).\n function makeChangeSingleDoc(doc, change, selAfter, spans) {\n if (doc.cm && !doc.cm.curOp)\n { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }\n\n if (change.to.line < doc.first) {\n shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));\n return\n }\n if (change.from.line > doc.lastLine()) { return }\n\n // Clip the change to the size of this doc\n if (change.from.line < doc.first) {\n var shift = change.text.length - 1 - (doc.first - change.from.line);\n shiftDoc(doc, shift);\n change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),\n text: [lst(change.text)], origin: change.origin};\n }\n var last = doc.lastLine();\n if (change.to.line > last) {\n change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),\n text: [change.text[0]], origin: change.origin};\n }\n\n change.removed = getBetween(doc, change.from, change.to);\n\n if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }\n if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }\n else { updateDoc(doc, change, spans); }\n setSelectionNoUndo(doc, selAfter, sel_dontScroll);\n\n if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0)))\n { doc.cantEdit = false; }\n }\n\n // Handle the interaction of a change to a document with the editor\n // that this document is part of.\n function makeChangeSingleDocInEditor(cm, change, spans) {\n var doc = cm.doc, display = cm.display, from = change.from, to = change.to;\n\n var recomputeMaxLength = false, checkWidthStart = from.line;\n if (!cm.options.lineWrapping) {\n checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));\n doc.iter(checkWidthStart, to.line + 1, function (line) {\n if (line == display.maxLine) {\n recomputeMaxLength = true;\n return true\n }\n });\n }\n\n if (doc.sel.contains(change.from, change.to) > -1)\n { signalCursorActivity(cm); }\n\n updateDoc(doc, change, spans, estimateHeight(cm));\n\n if (!cm.options.lineWrapping) {\n doc.iter(checkWidthStart, from.line + change.text.length, function (line) {\n var len = lineLength(line);\n if (len > display.maxLineLength) {\n display.maxLine = line;\n display.maxLineLength = len;\n display.maxLineChanged = true;\n recomputeMaxLength = false;\n }\n });\n if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }\n }\n\n retreatFrontier(doc, from.line);\n startWorker(cm, 400);\n\n var lendiff = change.text.length - (to.line - from.line) - 1;\n // Remember that these lines changed, for updating the display\n if (change.full)\n { regChange(cm); }\n else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))\n { regLineChange(cm, from.line, \"text\"); }\n else\n { regChange(cm, from.line, to.line + 1, lendiff); }\n\n var changesHandler = hasHandler(cm, \"changes\"), changeHandler = hasHandler(cm, \"change\");\n if (changeHandler || changesHandler) {\n var obj = {\n from: from, to: to,\n text: change.text,\n removed: change.removed,\n origin: change.origin\n };\n if (changeHandler) { signalLater(cm, \"change\", cm, obj); }\n if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }\n }\n cm.display.selForContextMenu = null;\n }\n\n function replaceRange(doc, code, from, to, origin) {\n var assign;\n\n if (!to) { to = from; }\n if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); }\n if (typeof code == \"string\") { code = doc.splitLines(code); }\n makeChange(doc, {from: from, to: to, text: code, origin: origin});\n }\n\n // Rebasing/resetting history to deal with externally-sourced changes\n\n function rebaseHistSelSingle(pos, from, to, diff) {\n if (to < pos.line) {\n pos.line += diff;\n } else if (from < pos.line) {\n pos.line = from;\n pos.ch = 0;\n }\n }\n\n // Tries to rebase an array of history events given a change in the\n // document. If the change touches the same lines as the event, the\n // event, and everything 'behind' it, is discarded. If the change is\n // before the event, the event's positions are updated. Uses a\n // copy-on-write scheme for the positions, to avoid having to\n // reallocate them all on every rebase, but also avoid problems with\n // shared position objects being unsafely updated.\n function rebaseHistArray(array, from, to, diff) {\n for (var i = 0; i < array.length; ++i) {\n var sub = array[i], ok = true;\n if (sub.ranges) {\n if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }\n for (var j = 0; j < sub.ranges.length; j++) {\n rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);\n rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);\n }\n continue\n }\n for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {\n var cur = sub.changes[j$1];\n if (to < cur.from.line) {\n cur.from = Pos(cur.from.line + diff, cur.from.ch);\n cur.to = Pos(cur.to.line + diff, cur.to.ch);\n } else if (from <= cur.to.line) {\n ok = false;\n break\n }\n }\n if (!ok) {\n array.splice(0, i + 1);\n i = 0;\n }\n }\n }\n\n function rebaseHist(hist, change) {\n var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;\n rebaseHistArray(hist.done, from, to, diff);\n rebaseHistArray(hist.undone, from, to, diff);\n }\n\n // Utility for applying a change to a line by handle or number,\n // returning the number and optionally registering the line as\n // changed.\n function changeLine(doc, handle, changeType, op) {\n var no = handle, line = handle;\n if (typeof handle == \"number\") { line = getLine(doc, clipLine(doc, handle)); }\n else { no = lineNo(handle); }\n if (no == null) { return null }\n if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }\n return line\n }\n\n // The document is represented as a BTree consisting of leaves, with\n // chunk of lines in them, and branches, with up to ten leaves or\n // other branch nodes below them. The top node is always a branch\n // node, and is the document object itself (meaning it has\n // additional methods and properties).\n //\n // All nodes have parent links. The tree is used both to go from\n // line numbers to line objects, and to go from objects to numbers.\n // It also indexes by height, and is used to convert between height\n // and line object, and to find the total height of the document.\n //\n // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html\n\n function LeafChunk(lines) {\n this.lines = lines;\n this.parent = null;\n var height = 0;\n for (var i = 0; i < lines.length; ++i) {\n lines[i].parent = this;\n height += lines[i].height;\n }\n this.height = height;\n }\n\n LeafChunk.prototype = {\n chunkSize: function() { return this.lines.length },\n\n // Remove the n lines at offset 'at'.\n removeInner: function(at, n) {\n for (var i = at, e = at + n; i < e; ++i) {\n var line = this.lines[i];\n this.height -= line.height;\n cleanUpLine(line);\n signalLater(line, \"delete\");\n }\n this.lines.splice(at, n);\n },\n\n // Helper used to collapse a small branch into a single leaf.\n collapse: function(lines) {\n lines.push.apply(lines, this.lines);\n },\n\n // Insert the given array of lines at offset 'at', count them as\n // having the given height.\n insertInner: function(at, lines, height) {\n this.height += height;\n this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));\n for (var i = 0; i < lines.length; ++i) { lines[i].parent = this; }\n },\n\n // Used to iterate over a part of the tree.\n iterN: function(at, n, op) {\n for (var e = at + n; at < e; ++at)\n { if (op(this.lines[at])) { return true } }\n }\n };\n\n function BranchChunk(children) {\n this.children = children;\n var size = 0, height = 0;\n for (var i = 0; i < children.length; ++i) {\n var ch = children[i];\n size += ch.chunkSize(); height += ch.height;\n ch.parent = this;\n }\n this.size = size;\n this.height = height;\n this.parent = null;\n }\n\n BranchChunk.prototype = {\n chunkSize: function() { return this.size },\n\n removeInner: function(at, n) {\n this.size -= n;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this.children[i], sz = child.chunkSize();\n if (at < sz) {\n var rm = Math.min(n, sz - at), oldHeight = child.height;\n child.removeInner(at, rm);\n this.height -= oldHeight - child.height;\n if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }\n if ((n -= rm) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n // If the result is smaller than 25 lines, ensure that it is a\n // single leaf node.\n if (this.size - n < 25 &&\n (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {\n var lines = [];\n this.collapse(lines);\n this.children = [new LeafChunk(lines)];\n this.children[0].parent = this;\n }\n },\n\n collapse: function(lines) {\n for (var i = 0; i < this.children.length; ++i) { this.children[i].collapse(lines); }\n },\n\n insertInner: function(at, lines, height) {\n this.size += lines.length;\n this.height += height;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this.children[i], sz = child.chunkSize();\n if (at <= sz) {\n child.insertInner(at, lines, height);\n if (child.lines && child.lines.length > 50) {\n // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.\n // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.\n var remaining = child.lines.length % 25 + 25;\n for (var pos = remaining; pos < child.lines.length;) {\n var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));\n child.height -= leaf.height;\n this.children.splice(++i, 0, leaf);\n leaf.parent = this;\n }\n child.lines = child.lines.slice(0, remaining);\n this.maybeSpill();\n }\n break\n }\n at -= sz;\n }\n },\n\n // When a node has grown, check whether it should be split.\n maybeSpill: function() {\n if (this.children.length <= 10) { return }\n var me = this;\n do {\n var spilled = me.children.splice(me.children.length - 5, 5);\n var sibling = new BranchChunk(spilled);\n if (!me.parent) { // Become the parent node\n var copy = new BranchChunk(me.children);\n copy.parent = me;\n me.children = [copy, sibling];\n me = copy;\n } else {\n me.size -= sibling.size;\n me.height -= sibling.height;\n var myIndex = indexOf(me.parent.children, me);\n me.parent.children.splice(myIndex + 1, 0, sibling);\n }\n sibling.parent = me.parent;\n } while (me.children.length > 10)\n me.parent.maybeSpill();\n },\n\n iterN: function(at, n, op) {\n for (var i = 0; i < this.children.length; ++i) {\n var child = this.children[i], sz = child.chunkSize();\n if (at < sz) {\n var used = Math.min(n, sz - at);\n if (child.iterN(at, used, op)) { return true }\n if ((n -= used) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n }\n };\n\n // Line widgets are block elements displayed above or below a line.\n\n var LineWidget = function(doc, node, options) {\n if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))\n { this[opt] = options[opt]; } } }\n this.doc = doc;\n this.node = node;\n };\n\n LineWidget.prototype.clear = function () {\n var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);\n if (no == null || !ws) { return }\n for (var i = 0; i < ws.length; ++i) { if (ws[i] == this) { ws.splice(i--, 1); } }\n if (!ws.length) { line.widgets = null; }\n var height = widgetHeight(this);\n updateLineHeight(line, Math.max(0, line.height - height));\n if (cm) {\n runInOp(cm, function () {\n adjustScrollWhenAboveVisible(cm, line, -height);\n regLineChange(cm, no, \"widget\");\n });\n signalLater(cm, \"lineWidgetCleared\", cm, this, no);\n }\n };\n\n LineWidget.prototype.changed = function () {\n var this$1 = this;\n\n var oldH = this.height, cm = this.doc.cm, line = this.line;\n this.height = null;\n var diff = widgetHeight(this) - oldH;\n if (!diff) { return }\n if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); }\n if (cm) {\n runInOp(cm, function () {\n cm.curOp.forceUpdate = true;\n adjustScrollWhenAboveVisible(cm, line, diff);\n signalLater(cm, \"lineWidgetChanged\", cm, this$1, lineNo(line));\n });\n }\n };\n eventMixin(LineWidget);\n\n function adjustScrollWhenAboveVisible(cm, line, diff) {\n if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))\n { addToScrollTop(cm, diff); }\n }\n\n function addLineWidget(doc, handle, node, options) {\n var widget = new LineWidget(doc, node, options);\n var cm = doc.cm;\n if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }\n changeLine(doc, handle, \"widget\", function (line) {\n var widgets = line.widgets || (line.widgets = []);\n if (widget.insertAt == null) { widgets.push(widget); }\n else { widgets.splice(Math.min(widgets.length, Math.max(0, widget.insertAt)), 0, widget); }\n widget.line = line;\n if (cm && !lineIsHidden(doc, line)) {\n var aboveVisible = heightAtLine(line) < doc.scrollTop;\n updateLineHeight(line, line.height + widgetHeight(widget));\n if (aboveVisible) { addToScrollTop(cm, widget.height); }\n cm.curOp.forceUpdate = true;\n }\n return true\n });\n if (cm) { signalLater(cm, \"lineWidgetAdded\", cm, widget, typeof handle == \"number\" ? handle : lineNo(handle)); }\n return widget\n }\n\n // TEXTMARKERS\n\n // Created with markText and setBookmark methods. A TextMarker is a\n // handle that can be used to clear or find a marked position in the\n // document. Line objects hold arrays (markedSpans) containing\n // {from, to, marker} object pointing to such marker objects, and\n // indicating that such a marker is present on that line. Multiple\n // lines may point to the same marker when it spans across lines.\n // The spans will have null for their from/to properties when the\n // marker continues beyond the start/end of the line. Markers have\n // links back to the lines they currently touch.\n\n // Collapsed markers have unique ids, in order to be able to order\n // them, which is needed for uniquely determining an outer marker\n // when they overlap (they may nest, but not partially overlap).\n var nextMarkerId = 0;\n\n var TextMarker = function(doc, type) {\n this.lines = [];\n this.type = type;\n this.doc = doc;\n this.id = ++nextMarkerId;\n };\n\n // Clear the marker.\n TextMarker.prototype.clear = function () {\n if (this.explicitlyCleared) { return }\n var cm = this.doc.cm, withOp = cm && !cm.curOp;\n if (withOp) { startOperation(cm); }\n if (hasHandler(this, \"clear\")) {\n var found = this.find();\n if (found) { signalLater(this, \"clear\", found.from, found.to); }\n }\n var min = null, max = null;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this);\n if (cm && !this.collapsed) { regLineChange(cm, lineNo(line), \"text\"); }\n else if (cm) {\n if (span.to != null) { max = lineNo(line); }\n if (span.from != null) { min = lineNo(line); }\n }\n line.markedSpans = removeMarkedSpan(line.markedSpans, span);\n if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)\n { updateLineHeight(line, textHeight(cm.display)); }\n }\n if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {\n var visual = visualLine(this.lines[i$1]), len = lineLength(visual);\n if (len > cm.display.maxLineLength) {\n cm.display.maxLine = visual;\n cm.display.maxLineLength = len;\n cm.display.maxLineChanged = true;\n }\n } }\n\n if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }\n this.lines.length = 0;\n this.explicitlyCleared = true;\n if (this.atomic && this.doc.cantEdit) {\n this.doc.cantEdit = false;\n if (cm) { reCheckSelection(cm.doc); }\n }\n if (cm) { signalLater(cm, \"markerCleared\", cm, this, min, max); }\n if (withOp) { endOperation(cm); }\n if (this.parent) { this.parent.clear(); }\n };\n\n // Find the position of the marker in the document. Returns a {from,\n // to} object by default. Side can be passed to get a specific side\n // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the\n // Pos objects returned contain a line object, rather than a line\n // number (used to prevent looking up the same line twice).\n TextMarker.prototype.find = function (side, lineObj) {\n if (side == null && this.type == \"bookmark\") { side = 1; }\n var from, to;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this);\n if (span.from != null) {\n from = Pos(lineObj ? line : lineNo(line), span.from);\n if (side == -1) { return from }\n }\n if (span.to != null) {\n to = Pos(lineObj ? line : lineNo(line), span.to);\n if (side == 1) { return to }\n }\n }\n return from && {from: from, to: to}\n };\n\n // Signals that the marker's widget changed, and surrounding layout\n // should be recomputed.\n TextMarker.prototype.changed = function () {\n var this$1 = this;\n\n var pos = this.find(-1, true), widget = this, cm = this.doc.cm;\n if (!pos || !cm) { return }\n runInOp(cm, function () {\n var line = pos.line, lineN = lineNo(pos.line);\n var view = findViewForLine(cm, lineN);\n if (view) {\n clearLineMeasurementCacheFor(view);\n cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;\n }\n cm.curOp.updateMaxLine = true;\n if (!lineIsHidden(widget.doc, line) && widget.height != null) {\n var oldHeight = widget.height;\n widget.height = null;\n var dHeight = widgetHeight(widget) - oldHeight;\n if (dHeight)\n { updateLineHeight(line, line.height + dHeight); }\n }\n signalLater(cm, \"markerChanged\", cm, this$1);\n });\n };\n\n TextMarker.prototype.attachLine = function (line) {\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp;\n if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)\n { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }\n }\n this.lines.push(line);\n };\n\n TextMarker.prototype.detachLine = function (line) {\n this.lines.splice(indexOf(this.lines, line), 1);\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp\n ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);\n }\n };\n eventMixin(TextMarker);\n\n // Create a marker, wire it up to the right lines, and\n function markText(doc, from, to, options, type) {\n // Shared markers (across linked documents) are handled separately\n // (markTextShared will call out to this again, once per\n // document).\n if (options && options.shared) { return markTextShared(doc, from, to, options, type) }\n // Ensure we are in an operation.\n if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }\n\n var marker = new TextMarker(doc, type), diff = cmp(from, to);\n if (options) { copyObj(options, marker, false); }\n // Don't connect empty markers unless clearWhenEmpty is false\n if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)\n { return marker }\n if (marker.replacedWith) {\n // Showing up as a widget implies collapsed (widget replaces text)\n marker.collapsed = true;\n marker.widgetNode = eltP(\"span\", [marker.replacedWith], \"CodeMirror-widget\");\n if (!options.handleMouseEvents) { marker.widgetNode.setAttribute(\"cm-ignore-events\", \"true\"); }\n if (options.insertLeft) { marker.widgetNode.insertLeft = true; }\n }\n if (marker.collapsed) {\n if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||\n from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))\n { throw new Error(\"Inserting collapsed marker partially overlapping an existing one\") }\n seeCollapsedSpans();\n }\n\n if (marker.addToHistory)\n { addChangeToHistory(doc, {from: from, to: to, origin: \"markText\"}, doc.sel, NaN); }\n\n var curLine = from.line, cm = doc.cm, updateMaxLine;\n doc.iter(curLine, to.line + 1, function (line) {\n if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)\n { updateMaxLine = true; }\n if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }\n addMarkedSpan(line, new MarkedSpan(marker,\n curLine == from.line ? from.ch : null,\n curLine == to.line ? to.ch : null), doc.cm && doc.cm.curOp);\n ++curLine;\n });\n // lineIsHidden depends on the presence of the spans, so needs a second pass\n if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {\n if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }\n }); }\n\n if (marker.clearOnEnter) { on(marker, \"beforeCursorEnter\", function () { return marker.clear(); }); }\n\n if (marker.readOnly) {\n seeReadOnlySpans();\n if (doc.history.done.length || doc.history.undone.length)\n { doc.clearHistory(); }\n }\n if (marker.collapsed) {\n marker.id = ++nextMarkerId;\n marker.atomic = true;\n }\n if (cm) {\n // Sync editor state\n if (updateMaxLine) { cm.curOp.updateMaxLine = true; }\n if (marker.collapsed)\n { regChange(cm, from.line, to.line + 1); }\n else if (marker.className || marker.startStyle || marker.endStyle || marker.css ||\n marker.attributes || marker.title)\n { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, \"text\"); } }\n if (marker.atomic) { reCheckSelection(cm.doc); }\n signalLater(cm, \"markerAdded\", cm, marker);\n }\n return marker\n }\n\n // SHARED TEXTMARKERS\n\n // A shared marker spans multiple linked documents. It is\n // implemented as a meta-marker-object controlling multiple normal\n // markers.\n var SharedTextMarker = function(markers, primary) {\n this.markers = markers;\n this.primary = primary;\n for (var i = 0; i < markers.length; ++i)\n { markers[i].parent = this; }\n };\n\n SharedTextMarker.prototype.clear = function () {\n if (this.explicitlyCleared) { return }\n this.explicitlyCleared = true;\n for (var i = 0; i < this.markers.length; ++i)\n { this.markers[i].clear(); }\n signalLater(this, \"clear\");\n };\n\n SharedTextMarker.prototype.find = function (side, lineObj) {\n return this.primary.find(side, lineObj)\n };\n eventMixin(SharedTextMarker);\n\n function markTextShared(doc, from, to, options, type) {\n options = copyObj(options);\n options.shared = false;\n var markers = [markText(doc, from, to, options, type)], primary = markers[0];\n var widget = options.widgetNode;\n linkedDocs(doc, function (doc) {\n if (widget) { options.widgetNode = widget.cloneNode(true); }\n markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));\n for (var i = 0; i < doc.linked.length; ++i)\n { if (doc.linked[i].isParent) { return } }\n primary = lst(markers);\n });\n return new SharedTextMarker(markers, primary)\n }\n\n function findSharedMarkers(doc) {\n return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })\n }\n\n function copySharedMarkers(doc, markers) {\n for (var i = 0; i < markers.length; i++) {\n var marker = markers[i], pos = marker.find();\n var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);\n if (cmp(mFrom, mTo)) {\n var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);\n marker.markers.push(subMark);\n subMark.parent = marker;\n }\n }\n }\n\n function detachSharedMarkers(markers) {\n var loop = function ( i ) {\n var marker = markers[i], linked = [marker.primary.doc];\n linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });\n for (var j = 0; j < marker.markers.length; j++) {\n var subMarker = marker.markers[j];\n if (indexOf(linked, subMarker.doc) == -1) {\n subMarker.parent = null;\n marker.markers.splice(j--, 1);\n }\n }\n };\n\n for (var i = 0; i < markers.length; i++) loop( i );\n }\n\n var nextDocId = 0;\n var Doc = function(text, mode, firstLine, lineSep, direction) {\n if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }\n if (firstLine == null) { firstLine = 0; }\n\n BranchChunk.call(this, [new LeafChunk([new Line(\"\", null)])]);\n this.first = firstLine;\n this.scrollTop = this.scrollLeft = 0;\n this.cantEdit = false;\n this.cleanGeneration = 1;\n this.modeFrontier = this.highlightFrontier = firstLine;\n var start = Pos(firstLine, 0);\n this.sel = simpleSelection(start);\n this.history = new History(null);\n this.id = ++nextDocId;\n this.modeOption = mode;\n this.lineSep = lineSep;\n this.direction = (direction == \"rtl\") ? \"rtl\" : \"ltr\";\n this.extend = false;\n\n if (typeof text == \"string\") { text = this.splitLines(text); }\n updateDoc(this, {from: start, to: start, text: text});\n setSelection(this, simpleSelection(start), sel_dontScroll);\n };\n\n Doc.prototype = createObj(BranchChunk.prototype, {\n constructor: Doc,\n // Iterate over the document. Supports two forms -- with only one\n // argument, it calls that for each line in the document. With\n // three, it iterates over the range given by the first two (with\n // the second being non-inclusive).\n iter: function(from, to, op) {\n if (op) { this.iterN(from - this.first, to - from, op); }\n else { this.iterN(this.first, this.first + this.size, from); }\n },\n\n // Non-public interface for adding and removing lines.\n insert: function(at, lines) {\n var height = 0;\n for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }\n this.insertInner(at - this.first, lines, height);\n },\n remove: function(at, n) { this.removeInner(at - this.first, n); },\n\n // From here, the methods are part of the public interface. Most\n // are also available from CodeMirror (editor) instances.\n\n getValue: function(lineSep) {\n var lines = getLines(this, this.first, this.first + this.size);\n if (lineSep === false) { return lines }\n return lines.join(lineSep || this.lineSeparator())\n },\n setValue: docMethodOp(function(code) {\n var top = Pos(this.first, 0), last = this.first + this.size - 1;\n makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),\n text: this.splitLines(code), origin: \"setValue\", full: true}, true);\n if (this.cm) { scrollToCoords(this.cm, 0, 0); }\n setSelection(this, simpleSelection(top), sel_dontScroll);\n }),\n replaceRange: function(code, from, to, origin) {\n from = clipPos(this, from);\n to = to ? clipPos(this, to) : from;\n replaceRange(this, code, from, to, origin);\n },\n getRange: function(from, to, lineSep) {\n var lines = getBetween(this, clipPos(this, from), clipPos(this, to));\n if (lineSep === false) { return lines }\n if (lineSep === '') { return lines.join('') }\n return lines.join(lineSep || this.lineSeparator())\n },\n\n getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},\n\n getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},\n getLineNumber: function(line) {return lineNo(line)},\n\n getLineHandleVisualStart: function(line) {\n if (typeof line == \"number\") { line = getLine(this, line); }\n return visualLine(line)\n },\n\n lineCount: function() {return this.size},\n firstLine: function() {return this.first},\n lastLine: function() {return this.first + this.size - 1},\n\n clipPos: function(pos) {return clipPos(this, pos)},\n\n getCursor: function(start) {\n var range = this.sel.primary(), pos;\n if (start == null || start == \"head\") { pos = range.head; }\n else if (start == \"anchor\") { pos = range.anchor; }\n else if (start == \"end\" || start == \"to\" || start === false) { pos = range.to(); }\n else { pos = range.from(); }\n return pos\n },\n listSelections: function() { return this.sel.ranges },\n somethingSelected: function() {return this.sel.somethingSelected()},\n\n setCursor: docMethodOp(function(line, ch, options) {\n setSimpleSelection(this, clipPos(this, typeof line == \"number\" ? Pos(line, ch || 0) : line), null, options);\n }),\n setSelection: docMethodOp(function(anchor, head, options) {\n setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);\n }),\n extendSelection: docMethodOp(function(head, other, options) {\n extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);\n }),\n extendSelections: docMethodOp(function(heads, options) {\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n extendSelectionsBy: docMethodOp(function(f, options) {\n var heads = map(this.sel.ranges, f);\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n setSelections: docMethodOp(function(ranges, primary, options) {\n if (!ranges.length) { return }\n var out = [];\n for (var i = 0; i < ranges.length; i++)\n { out[i] = new Range(clipPos(this, ranges[i].anchor),\n clipPos(this, ranges[i].head || ranges[i].anchor)); }\n if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }\n setSelection(this, normalizeSelection(this.cm, out, primary), options);\n }),\n addSelection: docMethodOp(function(anchor, head, options) {\n var ranges = this.sel.ranges.slice(0);\n ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));\n setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options);\n }),\n\n getSelection: function(lineSep) {\n var ranges = this.sel.ranges, lines;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this, ranges[i].from(), ranges[i].to());\n lines = lines ? lines.concat(sel) : sel;\n }\n if (lineSep === false) { return lines }\n else { return lines.join(lineSep || this.lineSeparator()) }\n },\n getSelections: function(lineSep) {\n var parts = [], ranges = this.sel.ranges;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this, ranges[i].from(), ranges[i].to());\n if (lineSep !== false) { sel = sel.join(lineSep || this.lineSeparator()); }\n parts[i] = sel;\n }\n return parts\n },\n replaceSelection: function(code, collapse, origin) {\n var dup = [];\n for (var i = 0; i < this.sel.ranges.length; i++)\n { dup[i] = code; }\n this.replaceSelections(dup, collapse, origin || \"+input\");\n },\n replaceSelections: docMethodOp(function(code, collapse, origin) {\n var changes = [], sel = this.sel;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range = sel.ranges[i];\n changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin};\n }\n var newSel = collapse && collapse != \"end\" && computeReplacedSel(this, changes, collapse);\n for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)\n { makeChange(this, changes[i$1]); }\n if (newSel) { setSelectionReplaceHistory(this, newSel); }\n else if (this.cm) { ensureCursorVisible(this.cm); }\n }),\n undo: docMethodOp(function() {makeChangeFromHistory(this, \"undo\");}),\n redo: docMethodOp(function() {makeChangeFromHistory(this, \"redo\");}),\n undoSelection: docMethodOp(function() {makeChangeFromHistory(this, \"undo\", true);}),\n redoSelection: docMethodOp(function() {makeChangeFromHistory(this, \"redo\", true);}),\n\n setExtending: function(val) {this.extend = val;},\n getExtending: function() {return this.extend},\n\n historySize: function() {\n var hist = this.history, done = 0, undone = 0;\n for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }\n for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }\n return {undo: done, redo: undone}\n },\n clearHistory: function() {\n var this$1 = this;\n\n this.history = new History(this.history);\n linkedDocs(this, function (doc) { return doc.history = this$1.history; }, true);\n },\n\n markClean: function() {\n this.cleanGeneration = this.changeGeneration(true);\n },\n changeGeneration: function(forceSplit) {\n if (forceSplit)\n { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }\n return this.history.generation\n },\n isClean: function (gen) {\n return this.history.generation == (gen || this.cleanGeneration)\n },\n\n getHistory: function() {\n return {done: copyHistoryArray(this.history.done),\n undone: copyHistoryArray(this.history.undone)}\n },\n setHistory: function(histData) {\n var hist = this.history = new History(this.history);\n hist.done = copyHistoryArray(histData.done.slice(0), null, true);\n hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);\n },\n\n setGutterMarker: docMethodOp(function(line, gutterID, value) {\n return changeLine(this, line, \"gutter\", function (line) {\n var markers = line.gutterMarkers || (line.gutterMarkers = {});\n markers[gutterID] = value;\n if (!value && isEmpty(markers)) { line.gutterMarkers = null; }\n return true\n })\n }),\n\n clearGutter: docMethodOp(function(gutterID) {\n var this$1 = this;\n\n this.iter(function (line) {\n if (line.gutterMarkers && line.gutterMarkers[gutterID]) {\n changeLine(this$1, line, \"gutter\", function () {\n line.gutterMarkers[gutterID] = null;\n if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }\n return true\n });\n }\n });\n }),\n\n lineInfo: function(line) {\n var n;\n if (typeof line == \"number\") {\n if (!isLine(this, line)) { return null }\n n = line;\n line = getLine(this, line);\n if (!line) { return null }\n } else {\n n = lineNo(line);\n if (n == null) { return null }\n }\n return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,\n textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,\n widgets: line.widgets}\n },\n\n addLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == \"gutter\" ? \"gutter\" : \"class\", function (line) {\n var prop = where == \"text\" ? \"textClass\"\n : where == \"background\" ? \"bgClass\"\n : where == \"gutter\" ? \"gutterClass\" : \"wrapClass\";\n if (!line[prop]) { line[prop] = cls; }\n else if (classTest(cls).test(line[prop])) { return false }\n else { line[prop] += \" \" + cls; }\n return true\n })\n }),\n removeLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == \"gutter\" ? \"gutter\" : \"class\", function (line) {\n var prop = where == \"text\" ? \"textClass\"\n : where == \"background\" ? \"bgClass\"\n : where == \"gutter\" ? \"gutterClass\" : \"wrapClass\";\n var cur = line[prop];\n if (!cur) { return false }\n else if (cls == null) { line[prop] = null; }\n else {\n var found = cur.match(classTest(cls));\n if (!found) { return false }\n var end = found.index + found[0].length;\n line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? \"\" : \" \") + cur.slice(end) || null;\n }\n return true\n })\n }),\n\n addLineWidget: docMethodOp(function(handle, node, options) {\n return addLineWidget(this, handle, node, options)\n }),\n removeLineWidget: function(widget) { widget.clear(); },\n\n markText: function(from, to, options) {\n return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || \"range\")\n },\n setBookmark: function(pos, options) {\n var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),\n insertLeft: options && options.insertLeft,\n clearWhenEmpty: false, shared: options && options.shared,\n handleMouseEvents: options && options.handleMouseEvents};\n pos = clipPos(this, pos);\n return markText(this, pos, pos, realOpts, \"bookmark\")\n },\n findMarksAt: function(pos) {\n pos = clipPos(this, pos);\n var markers = [], spans = getLine(this, pos.line).markedSpans;\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if ((span.from == null || span.from <= pos.ch) &&\n (span.to == null || span.to >= pos.ch))\n { markers.push(span.marker.parent || span.marker); }\n } }\n return markers\n },\n findMarks: function(from, to, filter) {\n from = clipPos(this, from); to = clipPos(this, to);\n var found = [], lineNo = from.line;\n this.iter(from.line, to.line + 1, function (line) {\n var spans = line.markedSpans;\n if (spans) { for (var i = 0; i < spans.length; i++) {\n var span = spans[i];\n if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||\n span.from == null && lineNo != from.line ||\n span.from != null && lineNo == to.line && span.from >= to.ch) &&\n (!filter || filter(span.marker)))\n { found.push(span.marker.parent || span.marker); }\n } }\n ++lineNo;\n });\n return found\n },\n getAllMarks: function() {\n var markers = [];\n this.iter(function (line) {\n var sps = line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i)\n { if (sps[i].from != null) { markers.push(sps[i].marker); } } }\n });\n return markers\n },\n\n posFromIndex: function(off) {\n var ch, lineNo = this.first, sepSize = this.lineSeparator().length;\n this.iter(function (line) {\n var sz = line.text.length + sepSize;\n if (sz > off) { ch = off; return true }\n off -= sz;\n ++lineNo;\n });\n return clipPos(this, Pos(lineNo, ch))\n },\n indexFromPos: function (coords) {\n coords = clipPos(this, coords);\n var index = coords.ch;\n if (coords.line < this.first || coords.ch < 0) { return 0 }\n var sepSize = this.lineSeparator().length;\n this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value\n index += line.text.length + sepSize;\n });\n return index\n },\n\n copy: function(copyHistory) {\n var doc = new Doc(getLines(this, this.first, this.first + this.size),\n this.modeOption, this.first, this.lineSep, this.direction);\n doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;\n doc.sel = this.sel;\n doc.extend = false;\n if (copyHistory) {\n doc.history.undoDepth = this.history.undoDepth;\n doc.setHistory(this.getHistory());\n }\n return doc\n },\n\n linkedDoc: function(options) {\n if (!options) { options = {}; }\n var from = this.first, to = this.first + this.size;\n if (options.from != null && options.from > from) { from = options.from; }\n if (options.to != null && options.to < to) { to = options.to; }\n var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);\n if (options.sharedHist) { copy.history = this.history\n ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});\n copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];\n copySharedMarkers(copy, findSharedMarkers(this));\n return copy\n },\n unlinkDoc: function(other) {\n if (other instanceof CodeMirror) { other = other.doc; }\n if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {\n var link = this.linked[i];\n if (link.doc != other) { continue }\n this.linked.splice(i, 1);\n other.unlinkDoc(this);\n detachSharedMarkers(findSharedMarkers(this));\n break\n } }\n // If the histories were shared, split them again\n if (other.history == this.history) {\n var splitIds = [other.id];\n linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);\n other.history = new History(null);\n other.history.done = copyHistoryArray(this.history.done, splitIds);\n other.history.undone = copyHistoryArray(this.history.undone, splitIds);\n }\n },\n iterLinkedDocs: function(f) {linkedDocs(this, f);},\n\n getMode: function() {return this.mode},\n getEditor: function() {return this.cm},\n\n splitLines: function(str) {\n if (this.lineSep) { return str.split(this.lineSep) }\n return splitLinesAuto(str)\n },\n lineSeparator: function() { return this.lineSep || \"\\n\" },\n\n setDirection: docMethodOp(function (dir) {\n if (dir != \"rtl\") { dir = \"ltr\"; }\n if (dir == this.direction) { return }\n this.direction = dir;\n this.iter(function (line) { return line.order = null; });\n if (this.cm) { directionChanged(this.cm); }\n })\n });\n\n // Public alias.\n Doc.prototype.eachLine = Doc.prototype.iter;\n\n // Kludge to work around strange IE behavior where it'll sometimes\n // re-fire a series of drag-related events right after the drop (#1551)\n var lastDrop = 0;\n\n function onDrop(e) {\n var cm = this;\n clearDragCursor(cm);\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))\n { return }\n e_preventDefault(e);\n if (ie) { lastDrop = +new Date; }\n var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;\n if (!pos || cm.isReadOnly()) { return }\n // Might be a file drop, in which case we simply extract the text\n // and insert it.\n if (files && files.length && window.FileReader && window.File) {\n var n = files.length, text = Array(n), read = 0;\n var markAsReadAndPasteIfAllFilesAreRead = function () {\n if (++read == n) {\n operation(cm, function () {\n pos = clipPos(cm.doc, pos);\n var change = {from: pos, to: pos,\n text: cm.doc.splitLines(\n text.filter(function (t) { return t != null; }).join(cm.doc.lineSeparator())),\n origin: \"paste\"};\n makeChange(cm.doc, change);\n setSelectionReplaceHistory(cm.doc, simpleSelection(clipPos(cm.doc, pos), clipPos(cm.doc, changeEnd(change))));\n })();\n }\n };\n var readTextFromFile = function (file, i) {\n if (cm.options.allowDropFileTypes &&\n indexOf(cm.options.allowDropFileTypes, file.type) == -1) {\n markAsReadAndPasteIfAllFilesAreRead();\n return\n }\n var reader = new FileReader;\n reader.onerror = function () { return markAsReadAndPasteIfAllFilesAreRead(); };\n reader.onload = function () {\n var content = reader.result;\n if (/[\\x00-\\x08\\x0e-\\x1f]{2}/.test(content)) {\n markAsReadAndPasteIfAllFilesAreRead();\n return\n }\n text[i] = content;\n markAsReadAndPasteIfAllFilesAreRead();\n };\n reader.readAsText(file);\n };\n for (var i = 0; i < files.length; i++) { readTextFromFile(files[i], i); }\n } else { // Normal drop\n // Don't do a replace if the drop happened inside of the selected text.\n if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {\n cm.state.draggingText(e);\n // Ensure the editor is re-focused\n setTimeout(function () { return cm.display.input.focus(); }, 20);\n return\n }\n try {\n var text$1 = e.dataTransfer.getData(\"Text\");\n if (text$1) {\n var selected;\n if (cm.state.draggingText && !cm.state.draggingText.copy)\n { selected = cm.listSelections(); }\n setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));\n if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)\n { replaceRange(cm.doc, \"\", selected[i$1].anchor, selected[i$1].head, \"drag\"); } }\n cm.replaceSelection(text$1, \"around\", \"paste\");\n cm.display.input.focus();\n }\n }\n catch(e$1){}\n }\n }\n\n function onDragStart(cm, e) {\n if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }\n\n e.dataTransfer.setData(\"Text\", cm.getSelection());\n e.dataTransfer.effectAllowed = \"copyMove\";\n\n // Use dummy image instead of default browsers image.\n // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.\n if (e.dataTransfer.setDragImage && !safari) {\n var img = elt(\"img\", null, null, \"position: fixed; left: 0; top: 0;\");\n img.src = \"data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\";\n if (presto) {\n img.width = img.height = 1;\n cm.display.wrapper.appendChild(img);\n // Force a relayout, or Opera won't use our image for some obscure reason\n img._top = img.offsetTop;\n }\n e.dataTransfer.setDragImage(img, 0, 0);\n if (presto) { img.parentNode.removeChild(img); }\n }\n }\n\n function onDragOver(cm, e) {\n var pos = posFromMouse(cm, e);\n if (!pos) { return }\n var frag = document.createDocumentFragment();\n drawSelectionCursor(cm, pos, frag);\n if (!cm.display.dragCursor) {\n cm.display.dragCursor = elt(\"div\", null, \"CodeMirror-cursors CodeMirror-dragcursors\");\n cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);\n }\n removeChildrenAndAdd(cm.display.dragCursor, frag);\n }\n\n function clearDragCursor(cm) {\n if (cm.display.dragCursor) {\n cm.display.lineSpace.removeChild(cm.display.dragCursor);\n cm.display.dragCursor = null;\n }\n }\n\n // These must be handled carefully, because naively registering a\n // handler for each editor will cause the editors to never be\n // garbage collected.\n\n function forEachCodeMirror(f) {\n if (!document.getElementsByClassName) { return }\n var byClass = document.getElementsByClassName(\"CodeMirror\"), editors = [];\n for (var i = 0; i < byClass.length; i++) {\n var cm = byClass[i].CodeMirror;\n if (cm) { editors.push(cm); }\n }\n if (editors.length) { editors[0].operation(function () {\n for (var i = 0; i < editors.length; i++) { f(editors[i]); }\n }); }\n }\n\n var globalsRegistered = false;\n function ensureGlobalHandlers() {\n if (globalsRegistered) { return }\n registerGlobalHandlers();\n globalsRegistered = true;\n }\n function registerGlobalHandlers() {\n // When the window resizes, we need to refresh active editors.\n var resizeTimer;\n on(window, \"resize\", function () {\n if (resizeTimer == null) { resizeTimer = setTimeout(function () {\n resizeTimer = null;\n forEachCodeMirror(onResize);\n }, 100); }\n });\n // When the window loses focus, we want to show the editor as blurred\n on(window, \"blur\", function () { return forEachCodeMirror(onBlur); });\n }\n // Called when the window resizes\n function onResize(cm) {\n var d = cm.display;\n // Might be a text scaling operation, clear size caches.\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n d.scrollbarsClipped = false;\n cm.setSize();\n }\n\n var keyNames = {\n 3: \"Pause\", 8: \"Backspace\", 9: \"Tab\", 13: \"Enter\", 16: \"Shift\", 17: \"Ctrl\", 18: \"Alt\",\n 19: \"Pause\", 20: \"CapsLock\", 27: \"Esc\", 32: \"Space\", 33: \"PageUp\", 34: \"PageDown\", 35: \"End\",\n 36: \"Home\", 37: \"Left\", 38: \"Up\", 39: \"Right\", 40: \"Down\", 44: \"PrintScrn\", 45: \"Insert\",\n 46: \"Delete\", 59: \";\", 61: \"=\", 91: \"Mod\", 92: \"Mod\", 93: \"Mod\",\n 106: \"*\", 107: \"=\", 109: \"-\", 110: \".\", 111: \"/\", 145: \"ScrollLock\",\n 173: \"-\", 186: \";\", 187: \"=\", 188: \",\", 189: \"-\", 190: \".\", 191: \"/\", 192: \"`\", 219: \"[\", 220: \"\\\\\",\n 221: \"]\", 222: \"'\", 224: \"Mod\", 63232: \"Up\", 63233: \"Down\", 63234: \"Left\", 63235: \"Right\", 63272: \"Delete\",\n 63273: \"Home\", 63275: \"End\", 63276: \"PageUp\", 63277: \"PageDown\", 63302: \"Insert\"\n };\n\n // Number keys\n for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }\n // Alphabetic keys\n for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }\n // Function keys\n for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = \"F\" + i$2; }\n\n var keyMap = {};\n\n keyMap.basic = {\n \"Left\": \"goCharLeft\", \"Right\": \"goCharRight\", \"Up\": \"goLineUp\", \"Down\": \"goLineDown\",\n \"End\": \"goLineEnd\", \"Home\": \"goLineStartSmart\", \"PageUp\": \"goPageUp\", \"PageDown\": \"goPageDown\",\n \"Delete\": \"delCharAfter\", \"Backspace\": \"delCharBefore\", \"Shift-Backspace\": \"delCharBefore\",\n \"Tab\": \"defaultTab\", \"Shift-Tab\": \"indentAuto\",\n \"Enter\": \"newlineAndIndent\", \"Insert\": \"toggleOverwrite\",\n \"Esc\": \"singleSelection\"\n };\n // Note that the save and find-related commands aren't defined by\n // default. User code or addons can define them. Unknown commands\n // are simply ignored.\n keyMap.pcDefault = {\n \"Ctrl-A\": \"selectAll\", \"Ctrl-D\": \"deleteLine\", \"Ctrl-Z\": \"undo\", \"Shift-Ctrl-Z\": \"redo\", \"Ctrl-Y\": \"redo\",\n \"Ctrl-Home\": \"goDocStart\", \"Ctrl-End\": \"goDocEnd\", \"Ctrl-Up\": \"goLineUp\", \"Ctrl-Down\": \"goLineDown\",\n \"Ctrl-Left\": \"goGroupLeft\", \"Ctrl-Right\": \"goGroupRight\", \"Alt-Left\": \"goLineStart\", \"Alt-Right\": \"goLineEnd\",\n \"Ctrl-Backspace\": \"delGroupBefore\", \"Ctrl-Delete\": \"delGroupAfter\", \"Ctrl-S\": \"save\", \"Ctrl-F\": \"find\",\n \"Ctrl-G\": \"findNext\", \"Shift-Ctrl-G\": \"findPrev\", \"Shift-Ctrl-F\": \"replace\", \"Shift-Ctrl-R\": \"replaceAll\",\n \"Ctrl-[\": \"indentLess\", \"Ctrl-]\": \"indentMore\",\n \"Ctrl-U\": \"undoSelection\", \"Shift-Ctrl-U\": \"redoSelection\", \"Alt-U\": \"redoSelection\",\n \"fallthrough\": \"basic\"\n };\n // Very basic readline/emacs-style bindings, which are standard on Mac.\n keyMap.emacsy = {\n \"Ctrl-F\": \"goCharRight\", \"Ctrl-B\": \"goCharLeft\", \"Ctrl-P\": \"goLineUp\", \"Ctrl-N\": \"goLineDown\",\n \"Ctrl-A\": \"goLineStart\", \"Ctrl-E\": \"goLineEnd\", \"Ctrl-V\": \"goPageDown\", \"Shift-Ctrl-V\": \"goPageUp\",\n \"Ctrl-D\": \"delCharAfter\", \"Ctrl-H\": \"delCharBefore\", \"Alt-Backspace\": \"delWordBefore\", \"Ctrl-K\": \"killLine\",\n \"Ctrl-T\": \"transposeChars\", \"Ctrl-O\": \"openLine\"\n };\n keyMap.macDefault = {\n \"Cmd-A\": \"selectAll\", \"Cmd-D\": \"deleteLine\", \"Cmd-Z\": \"undo\", \"Shift-Cmd-Z\": \"redo\", \"Cmd-Y\": \"redo\",\n \"Cmd-Home\": \"goDocStart\", \"Cmd-Up\": \"goDocStart\", \"Cmd-End\": \"goDocEnd\", \"Cmd-Down\": \"goDocEnd\", \"Alt-Left\": \"goGroupLeft\",\n \"Alt-Right\": \"goGroupRight\", \"Cmd-Left\": \"goLineLeft\", \"Cmd-Right\": \"goLineRight\", \"Alt-Backspace\": \"delGroupBefore\",\n \"Ctrl-Alt-Backspace\": \"delGroupAfter\", \"Alt-Delete\": \"delGroupAfter\", \"Cmd-S\": \"save\", \"Cmd-F\": \"find\",\n \"Cmd-G\": \"findNext\", \"Shift-Cmd-G\": \"findPrev\", \"Cmd-Alt-F\": \"replace\", \"Shift-Cmd-Alt-F\": \"replaceAll\",\n \"Cmd-[\": \"indentLess\", \"Cmd-]\": \"indentMore\", \"Cmd-Backspace\": \"delWrappedLineLeft\", \"Cmd-Delete\": \"delWrappedLineRight\",\n \"Cmd-U\": \"undoSelection\", \"Shift-Cmd-U\": \"redoSelection\", \"Ctrl-Up\": \"goDocStart\", \"Ctrl-Down\": \"goDocEnd\",\n \"fallthrough\": [\"basic\", \"emacsy\"]\n };\n keyMap[\"default\"] = mac ? keyMap.macDefault : keyMap.pcDefault;\n\n // KEYMAP DISPATCH\n\n function normalizeKeyName(name) {\n var parts = name.split(/-(?!$)/);\n name = parts[parts.length - 1];\n var alt, ctrl, shift, cmd;\n for (var i = 0; i < parts.length - 1; i++) {\n var mod = parts[i];\n if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }\n else if (/^a(lt)?$/i.test(mod)) { alt = true; }\n else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }\n else if (/^s(hift)?$/i.test(mod)) { shift = true; }\n else { throw new Error(\"Unrecognized modifier name: \" + mod) }\n }\n if (alt) { name = \"Alt-\" + name; }\n if (ctrl) { name = \"Ctrl-\" + name; }\n if (cmd) { name = \"Cmd-\" + name; }\n if (shift) { name = \"Shift-\" + name; }\n return name\n }\n\n // This is a kludge to keep keymaps mostly working as raw objects\n // (backwards compatibility) while at the same time support features\n // like normalization and multi-stroke key bindings. It compiles a\n // new normalized keymap, and then updates the old object to reflect\n // this.\n function normalizeKeyMap(keymap) {\n var copy = {};\n for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {\n var value = keymap[keyname];\n if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }\n if (value == \"...\") { delete keymap[keyname]; continue }\n\n var keys = map(keyname.split(\" \"), normalizeKeyName);\n for (var i = 0; i < keys.length; i++) {\n var val = (void 0), name = (void 0);\n if (i == keys.length - 1) {\n name = keys.join(\" \");\n val = value;\n } else {\n name = keys.slice(0, i + 1).join(\" \");\n val = \"...\";\n }\n var prev = copy[name];\n if (!prev) { copy[name] = val; }\n else if (prev != val) { throw new Error(\"Inconsistent bindings for \" + name) }\n }\n delete keymap[keyname];\n } }\n for (var prop in copy) { keymap[prop] = copy[prop]; }\n return keymap\n }\n\n function lookupKey(key, map, handle, context) {\n map = getKeyMap(map);\n var found = map.call ? map.call(key, context) : map[key];\n if (found === false) { return \"nothing\" }\n if (found === \"...\") { return \"multi\" }\n if (found != null && handle(found)) { return \"handled\" }\n\n if (map.fallthrough) {\n if (Object.prototype.toString.call(map.fallthrough) != \"[object Array]\")\n { return lookupKey(key, map.fallthrough, handle, context) }\n for (var i = 0; i < map.fallthrough.length; i++) {\n var result = lookupKey(key, map.fallthrough[i], handle, context);\n if (result) { return result }\n }\n }\n }\n\n // Modifier key presses don't count as 'real' key presses for the\n // purpose of keymap fallthrough.\n function isModifierKey(value) {\n var name = typeof value == \"string\" ? value : keyNames[value.keyCode];\n return name == \"Ctrl\" || name == \"Alt\" || name == \"Shift\" || name == \"Mod\"\n }\n\n function addModifierNames(name, event, noShift) {\n var base = name;\n if (event.altKey && base != \"Alt\") { name = \"Alt-\" + name; }\n if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != \"Ctrl\") { name = \"Ctrl-\" + name; }\n if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != \"Mod\") { name = \"Cmd-\" + name; }\n if (!noShift && event.shiftKey && base != \"Shift\") { name = \"Shift-\" + name; }\n return name\n }\n\n // Look up the name of a key as indicated by an event object.\n function keyName(event, noShift) {\n if (presto && event.keyCode == 34 && event[\"char\"]) { return false }\n var name = keyNames[event.keyCode];\n if (name == null || event.altGraphKey) { return false }\n // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause,\n // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+)\n if (event.keyCode == 3 && event.code) { name = event.code; }\n return addModifierNames(name, event, noShift)\n }\n\n function getKeyMap(val) {\n return typeof val == \"string\" ? keyMap[val] : val\n }\n\n // Helper for deleting text near the selection(s), used to implement\n // backspace, delete, and similar functionality.\n function deleteNearSelection(cm, compute) {\n var ranges = cm.doc.sel.ranges, kill = [];\n // Build up a set of ranges to kill first, merging overlapping\n // ranges.\n for (var i = 0; i < ranges.length; i++) {\n var toKill = compute(ranges[i]);\n while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {\n var replaced = kill.pop();\n if (cmp(replaced.from, toKill.from) < 0) {\n toKill.from = replaced.from;\n break\n }\n }\n kill.push(toKill);\n }\n // Next, remove those actual ranges.\n runInOp(cm, function () {\n for (var i = kill.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, \"\", kill[i].from, kill[i].to, \"+delete\"); }\n ensureCursorVisible(cm);\n });\n }\n\n function moveCharLogically(line, ch, dir) {\n var target = skipExtendingChars(line.text, ch + dir, dir);\n return target < 0 || target > line.text.length ? null : target\n }\n\n function moveLogically(line, start, dir) {\n var ch = moveCharLogically(line, start.ch, dir);\n return ch == null ? null : new Pos(start.line, ch, dir < 0 ? \"after\" : \"before\")\n }\n\n function endOfLine(visually, cm, lineObj, lineNo, dir) {\n if (visually) {\n if (cm.doc.direction == \"rtl\") { dir = -dir; }\n var order = getOrder(lineObj, cm.doc.direction);\n if (order) {\n var part = dir < 0 ? lst(order) : order[0];\n var moveInStorageOrder = (dir < 0) == (part.level == 1);\n var sticky = moveInStorageOrder ? \"after\" : \"before\";\n var ch;\n // With a wrapped rtl chunk (possibly spanning multiple bidi parts),\n // it could be that the last bidi part is not on the last visual line,\n // since visual lines contain content order-consecutive chunks.\n // Thus, in rtl, we are looking for the first (content-order) character\n // in the rtl chunk that is on the last line (that is, the same line\n // as the last (content-order) character).\n if (part.level > 0 || cm.doc.direction == \"rtl\") {\n var prep = prepareMeasureForLine(cm, lineObj);\n ch = dir < 0 ? lineObj.text.length - 1 : 0;\n var targetTop = measureCharPrepared(cm, prep, ch).top;\n ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);\n if (sticky == \"before\") { ch = moveCharLogically(lineObj, ch, 1); }\n } else { ch = dir < 0 ? part.to : part.from; }\n return new Pos(lineNo, ch, sticky)\n }\n }\n return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? \"before\" : \"after\")\n }\n\n function moveVisually(cm, line, start, dir) {\n var bidi = getOrder(line, cm.doc.direction);\n if (!bidi) { return moveLogically(line, start, dir) }\n if (start.ch >= line.text.length) {\n start.ch = line.text.length;\n start.sticky = \"before\";\n } else if (start.ch <= 0) {\n start.ch = 0;\n start.sticky = \"after\";\n }\n var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];\n if (cm.doc.direction == \"ltr\" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {\n // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,\n // nothing interesting happens.\n return moveLogically(line, start, dir)\n }\n\n var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };\n var prep;\n var getWrappedLineExtent = function (ch) {\n if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }\n prep = prep || prepareMeasureForLine(cm, line);\n return wrappedLineExtentChar(cm, line, prep, ch)\n };\n var wrappedLineExtent = getWrappedLineExtent(start.sticky == \"before\" ? mv(start, -1) : start.ch);\n\n if (cm.doc.direction == \"rtl\" || part.level == 1) {\n var moveInStorageOrder = (part.level == 1) == (dir < 0);\n var ch = mv(start, moveInStorageOrder ? 1 : -1);\n if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {\n // Case 2: We move within an rtl part or in an rtl editor on the same visual line\n var sticky = moveInStorageOrder ? \"before\" : \"after\";\n return new Pos(start.line, ch, sticky)\n }\n }\n\n // Case 3: Could not move within this bidi part in this visual line, so leave\n // the current bidi part\n\n var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {\n var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder\n ? new Pos(start.line, mv(ch, 1), \"before\")\n : new Pos(start.line, ch, \"after\"); };\n\n for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {\n var part = bidi[partPos];\n var moveInStorageOrder = (dir > 0) == (part.level != 1);\n var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);\n if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }\n ch = moveInStorageOrder ? part.from : mv(part.to, -1);\n if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }\n }\n };\n\n // Case 3a: Look for other bidi parts on the same visual line\n var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);\n if (res) { return res }\n\n // Case 3b: Look for other bidi parts on the next visual line\n var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);\n if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {\n res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));\n if (res) { return res }\n }\n\n // Case 4: Nowhere to move\n return null\n }\n\n // Commands are parameter-less actions that can be performed on an\n // editor, mostly used for keybindings.\n var commands = {\n selectAll: selectAll,\n singleSelection: function (cm) { return cm.setSelection(cm.getCursor(\"anchor\"), cm.getCursor(\"head\"), sel_dontScroll); },\n killLine: function (cm) { return deleteNearSelection(cm, function (range) {\n if (range.empty()) {\n var len = getLine(cm.doc, range.head.line).text.length;\n if (range.head.ch == len && range.head.line < cm.lastLine())\n { return {from: range.head, to: Pos(range.head.line + 1, 0)} }\n else\n { return {from: range.head, to: Pos(range.head.line, len)} }\n } else {\n return {from: range.from(), to: range.to()}\n }\n }); },\n deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0),\n to: clipPos(cm.doc, Pos(range.to().line + 1, 0))\n }); }); },\n delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0), to: range.from()\n }); }); },\n delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, \"div\").top + 5;\n var leftPos = cm.coordsChar({left: 0, top: top}, \"div\");\n return {from: leftPos, to: range.from()}\n }); },\n delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, \"div\").top + 5;\n var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, \"div\");\n return {from: range.from(), to: rightPos }\n }); },\n undo: function (cm) { return cm.undo(); },\n redo: function (cm) { return cm.redo(); },\n undoSelection: function (cm) { return cm.undoSelection(); },\n redoSelection: function (cm) { return cm.redoSelection(); },\n goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },\n goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },\n goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },\n {origin: \"+move\", bias: 1}\n ); },\n goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },\n {origin: \"+move\", bias: 1}\n ); },\n goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },\n {origin: \"+move\", bias: -1}\n ); },\n goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, \"div\").top + 5;\n return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, \"div\")\n }, sel_move); },\n goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, \"div\").top + 5;\n return cm.coordsChar({left: 0, top: top}, \"div\")\n }, sel_move); },\n goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, \"div\").top + 5;\n var pos = cm.coordsChar({left: 0, top: top}, \"div\");\n if (pos.ch < cm.getLine(pos.line).search(/\\S/)) { return lineStartSmart(cm, range.head) }\n return pos\n }, sel_move); },\n goLineUp: function (cm) { return cm.moveV(-1, \"line\"); },\n goLineDown: function (cm) { return cm.moveV(1, \"line\"); },\n goPageUp: function (cm) { return cm.moveV(-1, \"page\"); },\n goPageDown: function (cm) { return cm.moveV(1, \"page\"); },\n goCharLeft: function (cm) { return cm.moveH(-1, \"char\"); },\n goCharRight: function (cm) { return cm.moveH(1, \"char\"); },\n goColumnLeft: function (cm) { return cm.moveH(-1, \"column\"); },\n goColumnRight: function (cm) { return cm.moveH(1, \"column\"); },\n goWordLeft: function (cm) { return cm.moveH(-1, \"word\"); },\n goGroupRight: function (cm) { return cm.moveH(1, \"group\"); },\n goGroupLeft: function (cm) { return cm.moveH(-1, \"group\"); },\n goWordRight: function (cm) { return cm.moveH(1, \"word\"); },\n delCharBefore: function (cm) { return cm.deleteH(-1, \"codepoint\"); },\n delCharAfter: function (cm) { return cm.deleteH(1, \"char\"); },\n delWordBefore: function (cm) { return cm.deleteH(-1, \"word\"); },\n delWordAfter: function (cm) { return cm.deleteH(1, \"word\"); },\n delGroupBefore: function (cm) { return cm.deleteH(-1, \"group\"); },\n delGroupAfter: function (cm) { return cm.deleteH(1, \"group\"); },\n indentAuto: function (cm) { return cm.indentSelection(\"smart\"); },\n indentMore: function (cm) { return cm.indentSelection(\"add\"); },\n indentLess: function (cm) { return cm.indentSelection(\"subtract\"); },\n insertTab: function (cm) { return cm.replaceSelection(\"\\t\"); },\n insertSoftTab: function (cm) {\n var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;\n for (var i = 0; i < ranges.length; i++) {\n var pos = ranges[i].from();\n var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);\n spaces.push(spaceStr(tabSize - col % tabSize));\n }\n cm.replaceSelections(spaces);\n },\n defaultTab: function (cm) {\n if (cm.somethingSelected()) { cm.indentSelection(\"add\"); }\n else { cm.execCommand(\"insertTab\"); }\n },\n // Swap the two chars left and right of each selection's head.\n // Move cursor behind the two swapped characters afterwards.\n //\n // Doesn't consider line feeds a character.\n // Doesn't scan more than one line above to find a character.\n // Doesn't do anything on an empty line.\n // Doesn't do anything with non-empty selections.\n transposeChars: function (cm) { return runInOp(cm, function () {\n var ranges = cm.listSelections(), newSel = [];\n for (var i = 0; i < ranges.length; i++) {\n if (!ranges[i].empty()) { continue }\n var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;\n if (line) {\n if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }\n if (cur.ch > 0) {\n cur = new Pos(cur.line, cur.ch + 1);\n cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),\n Pos(cur.line, cur.ch - 2), cur, \"+transpose\");\n } else if (cur.line > cm.doc.first) {\n var prev = getLine(cm.doc, cur.line - 1).text;\n if (prev) {\n cur = new Pos(cur.line, 1);\n cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +\n prev.charAt(prev.length - 1),\n Pos(cur.line - 1, prev.length - 1), cur, \"+transpose\");\n }\n }\n }\n newSel.push(new Range(cur, cur));\n }\n cm.setSelections(newSel);\n }); },\n newlineAndIndent: function (cm) { return runInOp(cm, function () {\n var sels = cm.listSelections();\n for (var i = sels.length - 1; i >= 0; i--)\n { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, \"+input\"); }\n sels = cm.listSelections();\n for (var i$1 = 0; i$1 < sels.length; i$1++)\n { cm.indentLine(sels[i$1].from().line, null, true); }\n ensureCursorVisible(cm);\n }); },\n openLine: function (cm) { return cm.replaceSelection(\"\\n\", \"start\"); },\n toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }\n };\n\n\n function lineStart(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLine(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, visual, lineN, 1)\n }\n function lineEnd(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLineEnd(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, line, lineN, -1)\n }\n function lineStartSmart(cm, pos) {\n var start = lineStart(cm, pos.line);\n var line = getLine(cm.doc, start.line);\n var order = getOrder(line, cm.doc.direction);\n if (!order || order[0].level == 0) {\n var firstNonWS = Math.max(start.ch, line.text.search(/\\S/));\n var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;\n return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)\n }\n return start\n }\n\n // Run a handler that was bound to a key.\n function doHandleBinding(cm, bound, dropShift) {\n if (typeof bound == \"string\") {\n bound = commands[bound];\n if (!bound) { return false }\n }\n // Ensure previous input has been read, so that the handler sees a\n // consistent view of the document\n cm.display.input.ensurePolled();\n var prevShift = cm.display.shift, done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n if (dropShift) { cm.display.shift = false; }\n done = bound(cm) != Pass;\n } finally {\n cm.display.shift = prevShift;\n cm.state.suppressEdits = false;\n }\n return done\n }\n\n function lookupKeyForEditor(cm, name, handle) {\n for (var i = 0; i < cm.state.keyMaps.length; i++) {\n var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);\n if (result) { return result }\n }\n return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))\n || lookupKey(name, cm.options.keyMap, handle, cm)\n }\n\n // Note that, despite the name, this function is also used to check\n // for bound mouse clicks.\n\n var stopSeq = new Delayed;\n\n function dispatchKey(cm, name, e, handle) {\n var seq = cm.state.keySeq;\n if (seq) {\n if (isModifierKey(name)) { return \"handled\" }\n if (/\\'$/.test(name))\n { cm.state.keySeq = null; }\n else\n { stopSeq.set(50, function () {\n if (cm.state.keySeq == seq) {\n cm.state.keySeq = null;\n cm.display.input.reset();\n }\n }); }\n if (dispatchKeyInner(cm, seq + \" \" + name, e, handle)) { return true }\n }\n return dispatchKeyInner(cm, name, e, handle)\n }\n\n function dispatchKeyInner(cm, name, e, handle) {\n var result = lookupKeyForEditor(cm, name, handle);\n\n if (result == \"multi\")\n { cm.state.keySeq = name; }\n if (result == \"handled\")\n { signalLater(cm, \"keyHandled\", cm, name, e); }\n\n if (result == \"handled\" || result == \"multi\") {\n e_preventDefault(e);\n restartBlink(cm);\n }\n\n return !!result\n }\n\n // Handle a key from the keydown event.\n function handleKeyBinding(cm, e) {\n var name = keyName(e, true);\n if (!name) { return false }\n\n if (e.shiftKey && !cm.state.keySeq) {\n // First try to resolve full name (including 'Shift-'). Failing\n // that, see if there is a cursor-motion command (starting with\n // 'go') bound to the keyname without 'Shift-'.\n return dispatchKey(cm, \"Shift-\" + name, e, function (b) { return doHandleBinding(cm, b, true); })\n || dispatchKey(cm, name, e, function (b) {\n if (typeof b == \"string\" ? /^go[A-Z]/.test(b) : b.motion)\n { return doHandleBinding(cm, b) }\n })\n } else {\n return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })\n }\n }\n\n // Handle a key from the keypress event\n function handleCharBinding(cm, e, ch) {\n return dispatchKey(cm, \"'\" + ch + \"'\", e, function (b) { return doHandleBinding(cm, b, true); })\n }\n\n var lastStoppedKey = null;\n function onKeyDown(e) {\n var cm = this;\n if (e.target && e.target != cm.display.input.getField()) { return }\n cm.curOp.focus = activeElt(root(cm));\n if (signalDOMEvent(cm, e)) { return }\n // IE does strange things with escape.\n if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }\n var code = e.keyCode;\n cm.display.shift = code == 16 || e.shiftKey;\n var handled = handleKeyBinding(cm, e);\n if (presto) {\n lastStoppedKey = handled ? code : null;\n // Opera has no cut event... we try to at least catch the key combo\n if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))\n { cm.replaceSelection(\"\", null, \"cut\"); }\n }\n if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand)\n { document.execCommand(\"cut\"); }\n\n // Turn mouse into crosshair when Alt is held on Mac.\n if (code == 18 && !/\\bCodeMirror-crosshair\\b/.test(cm.display.lineDiv.className))\n { showCrossHair(cm); }\n }\n\n function showCrossHair(cm) {\n var lineDiv = cm.display.lineDiv;\n addClass(lineDiv, \"CodeMirror-crosshair\");\n\n function up(e) {\n if (e.keyCode == 18 || !e.altKey) {\n rmClass(lineDiv, \"CodeMirror-crosshair\");\n off(document, \"keyup\", up);\n off(document, \"mouseover\", up);\n }\n }\n on(document, \"keyup\", up);\n on(document, \"mouseover\", up);\n }\n\n function onKeyUp(e) {\n if (e.keyCode == 16) { this.doc.sel.shift = false; }\n signalDOMEvent(this, e);\n }\n\n function onKeyPress(e) {\n var cm = this;\n if (e.target && e.target != cm.display.input.getField()) { return }\n if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }\n var keyCode = e.keyCode, charCode = e.charCode;\n if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}\n if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }\n var ch = String.fromCharCode(charCode == null ? keyCode : charCode);\n // Some browsers fire keypress events for backspace\n if (ch == \"\\x08\") { return }\n if (handleCharBinding(cm, e, ch)) { return }\n cm.display.input.onKeyPress(e);\n }\n\n var DOUBLECLICK_DELAY = 400;\n\n var PastClick = function(time, pos, button) {\n this.time = time;\n this.pos = pos;\n this.button = button;\n };\n\n PastClick.prototype.compare = function (time, pos, button) {\n return this.time + DOUBLECLICK_DELAY > time &&\n cmp(pos, this.pos) == 0 && button == this.button\n };\n\n var lastClick, lastDoubleClick;\n function clickRepeat(pos, button) {\n var now = +new Date;\n if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {\n lastClick = lastDoubleClick = null;\n return \"triple\"\n } else if (lastClick && lastClick.compare(now, pos, button)) {\n lastDoubleClick = new PastClick(now, pos, button);\n lastClick = null;\n return \"double\"\n } else {\n lastClick = new PastClick(now, pos, button);\n lastDoubleClick = null;\n return \"single\"\n }\n }\n\n // A mouse down can be a single click, double click, triple click,\n // start of selection drag, start of text drag, new cursor\n // (ctrl-click), rectangle drag (alt-drag), or xwin\n // middle-click-paste. Or it might be a click on something we should\n // not interfere with, such as a scrollbar or widget.\n function onMouseDown(e) {\n var cm = this, display = cm.display;\n if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }\n display.input.ensurePolled();\n display.shift = e.shiftKey;\n\n if (eventInWidget(display, e)) {\n if (!webkit) {\n // Briefly turn off draggability, to allow widgets to do\n // normal dragging things.\n display.scroller.draggable = false;\n setTimeout(function () { return display.scroller.draggable = true; }, 100);\n }\n return\n }\n if (clickInGutter(cm, e)) { return }\n var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : \"single\";\n win(cm).focus();\n\n // #3261: make sure, that we're not starting a second selection\n if (button == 1 && cm.state.selectingText)\n { cm.state.selectingText(e); }\n\n if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }\n\n if (button == 1) {\n if (pos) { leftButtonDown(cm, pos, repeat, e); }\n else if (e_target(e) == display.scroller) { e_preventDefault(e); }\n } else if (button == 2) {\n if (pos) { extendSelection(cm.doc, pos); }\n setTimeout(function () { return display.input.focus(); }, 20);\n } else if (button == 3) {\n if (captureRightClick) { cm.display.input.onContextMenu(e); }\n else { delayBlurEvent(cm); }\n }\n }\n\n function handleMappedButton(cm, button, pos, repeat, event) {\n var name = \"Click\";\n if (repeat == \"double\") { name = \"Double\" + name; }\n else if (repeat == \"triple\") { name = \"Triple\" + name; }\n name = (button == 1 ? \"Left\" : button == 2 ? \"Middle\" : \"Right\") + name;\n\n return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {\n if (typeof bound == \"string\") { bound = commands[bound]; }\n if (!bound) { return false }\n var done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n done = bound(cm, pos) != Pass;\n } finally {\n cm.state.suppressEdits = false;\n }\n return done\n })\n }\n\n function configureMouse(cm, repeat, event) {\n var option = cm.getOption(\"configureMouse\");\n var value = option ? option(cm, repeat, event) : {};\n if (value.unit == null) {\n var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;\n value.unit = rect ? \"rectangle\" : repeat == \"single\" ? \"char\" : repeat == \"double\" ? \"word\" : \"line\";\n }\n if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }\n if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }\n if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }\n return value\n }\n\n function leftButtonDown(cm, pos, repeat, event) {\n if (ie) { setTimeout(bind(ensureFocus, cm), 0); }\n else { cm.curOp.focus = activeElt(root(cm)); }\n\n var behavior = configureMouse(cm, repeat, event);\n\n var sel = cm.doc.sel, contained;\n if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&\n repeat == \"single\" && (contained = sel.contains(pos)) > -1 &&\n (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&\n (cmp(contained.to(), pos) > 0 || pos.xRel < 0))\n { leftButtonStartDrag(cm, event, pos, behavior); }\n else\n { leftButtonSelect(cm, event, pos, behavior); }\n }\n\n // Start a text drag. When it ends, see if any dragging actually\n // happen, and treat as a click if it didn't.\n function leftButtonStartDrag(cm, event, pos, behavior) {\n var display = cm.display, moved = false;\n var dragEnd = operation(cm, function (e) {\n if (webkit) { display.scroller.draggable = false; }\n cm.state.draggingText = false;\n if (cm.state.delayingBlurEvent) {\n if (cm.hasFocus()) { cm.state.delayingBlurEvent = false; }\n else { delayBlurEvent(cm); }\n }\n off(display.wrapper.ownerDocument, \"mouseup\", dragEnd);\n off(display.wrapper.ownerDocument, \"mousemove\", mouseMove);\n off(display.scroller, \"dragstart\", dragStart);\n off(display.scroller, \"drop\", dragEnd);\n if (!moved) {\n e_preventDefault(e);\n if (!behavior.addNew)\n { extendSelection(cm.doc, pos, null, null, behavior.extend); }\n // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)\n if ((webkit && !safari) || ie && ie_version == 9)\n { setTimeout(function () {display.wrapper.ownerDocument.body.focus({preventScroll: true}); display.input.focus();}, 20); }\n else\n { display.input.focus(); }\n }\n });\n var mouseMove = function(e2) {\n moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;\n };\n var dragStart = function () { return moved = true; };\n // Let the drag handler handle this.\n if (webkit) { display.scroller.draggable = true; }\n cm.state.draggingText = dragEnd;\n dragEnd.copy = !behavior.moveOnDrag;\n on(display.wrapper.ownerDocument, \"mouseup\", dragEnd);\n on(display.wrapper.ownerDocument, \"mousemove\", mouseMove);\n on(display.scroller, \"dragstart\", dragStart);\n on(display.scroller, \"drop\", dragEnd);\n\n cm.state.delayingBlurEvent = true;\n setTimeout(function () { return display.input.focus(); }, 20);\n // IE's approach to draggable\n if (display.scroller.dragDrop) { display.scroller.dragDrop(); }\n }\n\n function rangeForUnit(cm, pos, unit) {\n if (unit == \"char\") { return new Range(pos, pos) }\n if (unit == \"word\") { return cm.findWordAt(pos) }\n if (unit == \"line\") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }\n var result = unit(cm, pos);\n return new Range(result.from, result.to)\n }\n\n // Normal selection, as opposed to text dragging.\n function leftButtonSelect(cm, event, start, behavior) {\n if (ie) { delayBlurEvent(cm); }\n var display = cm.display, doc = cm.doc;\n e_preventDefault(event);\n\n var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;\n if (behavior.addNew && !behavior.extend) {\n ourIndex = doc.sel.contains(start);\n if (ourIndex > -1)\n { ourRange = ranges[ourIndex]; }\n else\n { ourRange = new Range(start, start); }\n } else {\n ourRange = doc.sel.primary();\n ourIndex = doc.sel.primIndex;\n }\n\n if (behavior.unit == \"rectangle\") {\n if (!behavior.addNew) { ourRange = new Range(start, start); }\n start = posFromMouse(cm, event, true, true);\n ourIndex = -1;\n } else {\n var range = rangeForUnit(cm, start, behavior.unit);\n if (behavior.extend)\n { ourRange = extendRange(ourRange, range.anchor, range.head, behavior.extend); }\n else\n { ourRange = range; }\n }\n\n if (!behavior.addNew) {\n ourIndex = 0;\n setSelection(doc, new Selection([ourRange], 0), sel_mouse);\n startSel = doc.sel;\n } else if (ourIndex == -1) {\n ourIndex = ranges.length;\n setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex),\n {scroll: false, origin: \"*mouse\"});\n } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == \"char\" && !behavior.extend) {\n setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),\n {scroll: false, origin: \"*mouse\"});\n startSel = doc.sel;\n } else {\n replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);\n }\n\n var lastPos = start;\n function extendTo(pos) {\n if (cmp(lastPos, pos) == 0) { return }\n lastPos = pos;\n\n if (behavior.unit == \"rectangle\") {\n var ranges = [], tabSize = cm.options.tabSize;\n var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);\n var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);\n var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);\n for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));\n line <= end; line++) {\n var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);\n if (left == right)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }\n else if (text.length > leftPos)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }\n }\n if (!ranges.length) { ranges.push(new Range(start, start)); }\n setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),\n {origin: \"*mouse\", scroll: false});\n cm.scrollIntoView(pos);\n } else {\n var oldRange = ourRange;\n var range = rangeForUnit(cm, pos, behavior.unit);\n var anchor = oldRange.anchor, head;\n if (cmp(range.anchor, anchor) > 0) {\n head = range.head;\n anchor = minPos(oldRange.from(), range.anchor);\n } else {\n head = range.anchor;\n anchor = maxPos(oldRange.to(), range.head);\n }\n var ranges$1 = startSel.ranges.slice(0);\n ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));\n setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse);\n }\n }\n\n var editorSize = display.wrapper.getBoundingClientRect();\n // Used to ensure timeout re-tries don't fire when another extend\n // happened in the meantime (clearTimeout isn't reliable -- at\n // least on Chrome, the timeouts still happen even when cleared,\n // if the clear happens after their scheduled firing time).\n var counter = 0;\n\n function extend(e) {\n var curCount = ++counter;\n var cur = posFromMouse(cm, e, true, behavior.unit == \"rectangle\");\n if (!cur) { return }\n if (cmp(cur, lastPos) != 0) {\n cm.curOp.focus = activeElt(root(cm));\n extendTo(cur);\n var visible = visibleLines(display, doc);\n if (cur.line >= visible.to || cur.line < visible.from)\n { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }\n } else {\n var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;\n if (outside) { setTimeout(operation(cm, function () {\n if (counter != curCount) { return }\n display.scroller.scrollTop += outside;\n extend(e);\n }), 50); }\n }\n }\n\n function done(e) {\n cm.state.selectingText = false;\n counter = Infinity;\n // If e is null or undefined we interpret this as someone trying\n // to explicitly cancel the selection rather than the user\n // letting go of the mouse button.\n if (e) {\n e_preventDefault(e);\n display.input.focus();\n }\n off(display.wrapper.ownerDocument, \"mousemove\", move);\n off(display.wrapper.ownerDocument, \"mouseup\", up);\n doc.history.lastSelOrigin = null;\n }\n\n var move = operation(cm, function (e) {\n if (e.buttons === 0 || !e_button(e)) { done(e); }\n else { extend(e); }\n });\n var up = operation(cm, done);\n cm.state.selectingText = up;\n on(display.wrapper.ownerDocument, \"mousemove\", move);\n on(display.wrapper.ownerDocument, \"mouseup\", up);\n }\n\n // Used when mouse-selecting to adjust the anchor to the proper side\n // of a bidi jump depending on the visual position of the head.\n function bidiSimplify(cm, range) {\n var anchor = range.anchor;\n var head = range.head;\n var anchorLine = getLine(cm.doc, anchor.line);\n if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range }\n var order = getOrder(anchorLine);\n if (!order) { return range }\n var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];\n if (part.from != anchor.ch && part.to != anchor.ch) { return range }\n var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);\n if (boundary == 0 || boundary == order.length) { return range }\n\n // Compute the relative visual position of the head compared to the\n // anchor (<0 is to the left, >0 to the right)\n var leftSide;\n if (head.line != anchor.line) {\n leftSide = (head.line - anchor.line) * (cm.doc.direction == \"ltr\" ? 1 : -1) > 0;\n } else {\n var headIndex = getBidiPartAt(order, head.ch, head.sticky);\n var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);\n if (headIndex == boundary - 1 || headIndex == boundary)\n { leftSide = dir < 0; }\n else\n { leftSide = dir > 0; }\n }\n\n var usePart = order[boundary + (leftSide ? -1 : 0)];\n var from = leftSide == (usePart.level == 1);\n var ch = from ? usePart.from : usePart.to, sticky = from ? \"after\" : \"before\";\n return anchor.ch == ch && anchor.sticky == sticky ? range : new Range(new Pos(anchor.line, ch, sticky), head)\n }\n\n\n // Determines whether an event happened in the gutter, and fires the\n // handlers for the corresponding event.\n function gutterEvent(cm, e, type, prevent) {\n var mX, mY;\n if (e.touches) {\n mX = e.touches[0].clientX;\n mY = e.touches[0].clientY;\n } else {\n try { mX = e.clientX; mY = e.clientY; }\n catch(e$1) { return false }\n }\n if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }\n if (prevent) { e_preventDefault(e); }\n\n var display = cm.display;\n var lineBox = display.lineDiv.getBoundingClientRect();\n\n if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }\n mY -= lineBox.top - display.viewOffset;\n\n for (var i = 0; i < cm.display.gutterSpecs.length; ++i) {\n var g = display.gutters.childNodes[i];\n if (g && g.getBoundingClientRect().right >= mX) {\n var line = lineAtHeight(cm.doc, mY);\n var gutter = cm.display.gutterSpecs[i];\n signal(cm, type, cm, line, gutter.className, e);\n return e_defaultPrevented(e)\n }\n }\n }\n\n function clickInGutter(cm, e) {\n return gutterEvent(cm, e, \"gutterClick\", true)\n }\n\n // CONTEXT MENU HANDLING\n\n // To make the context menu work, we need to briefly unhide the\n // textarea (making it as unobtrusive as possible) to let the\n // right-click take effect on it.\n function onContextMenu(cm, e) {\n if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }\n if (signalDOMEvent(cm, e, \"contextmenu\")) { return }\n if (!captureRightClick) { cm.display.input.onContextMenu(e); }\n }\n\n function contextMenuInGutter(cm, e) {\n if (!hasHandler(cm, \"gutterContextMenu\")) { return false }\n return gutterEvent(cm, e, \"gutterContextMenu\", false)\n }\n\n function themeChanged(cm) {\n cm.display.wrapper.className = cm.display.wrapper.className.replace(/\\s*cm-s-\\S+/g, \"\") +\n cm.options.theme.replace(/(^|\\s)\\s*/g, \" cm-s-\");\n clearCaches(cm);\n }\n\n var Init = {toString: function(){return \"CodeMirror.Init\"}};\n\n var defaults = {};\n var optionHandlers = {};\n\n function defineOptions(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n function option(name, deflt, handle, notOnInit) {\n CodeMirror.defaults[name] = deflt;\n if (handle) { optionHandlers[name] =\n notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }\n }\n\n CodeMirror.defineOption = option;\n\n // Passed to option handlers when there is no old value.\n CodeMirror.Init = Init;\n\n // These two are, on init, called from the constructor because they\n // have to be initialized before the editor can start at all.\n option(\"value\", \"\", function (cm, val) { return cm.setValue(val); }, true);\n option(\"mode\", null, function (cm, val) {\n cm.doc.modeOption = val;\n loadMode(cm);\n }, true);\n\n option(\"indentUnit\", 2, loadMode, true);\n option(\"indentWithTabs\", false);\n option(\"smartIndent\", true);\n option(\"tabSize\", 4, function (cm) {\n resetModeState(cm);\n clearCaches(cm);\n regChange(cm);\n }, true);\n\n option(\"lineSeparator\", null, function (cm, val) {\n cm.doc.lineSep = val;\n if (!val) { return }\n var newBreaks = [], lineNo = cm.doc.first;\n cm.doc.iter(function (line) {\n for (var pos = 0;;) {\n var found = line.text.indexOf(val, pos);\n if (found == -1) { break }\n pos = found + val.length;\n newBreaks.push(Pos(lineNo, found));\n }\n lineNo++;\n });\n for (var i = newBreaks.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }\n });\n option(\"specialChars\", /[\\u0000-\\u001f\\u007f-\\u009f\\u00ad\\u061c\\u200b\\u200e\\u200f\\u2028\\u2029\\u202d\\u202e\\u2066\\u2067\\u2069\\ufeff\\ufff9-\\ufffc]/g, function (cm, val, old) {\n cm.state.specialChars = new RegExp(val.source + (val.test(\"\\t\") ? \"\" : \"|\\t\"), \"g\");\n if (old != Init) { cm.refresh(); }\n });\n option(\"specialCharPlaceholder\", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);\n option(\"electricChars\", true);\n option(\"inputStyle\", mobile ? \"contenteditable\" : \"textarea\", function () {\n throw new Error(\"inputStyle can not (yet) be changed in a running editor\") // FIXME\n }, true);\n option(\"spellcheck\", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);\n option(\"autocorrect\", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true);\n option(\"autocapitalize\", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true);\n option(\"rtlMoveVisually\", !windows);\n option(\"wholeLineUpdateBefore\", true);\n\n option(\"theme\", \"default\", function (cm) {\n themeChanged(cm);\n updateGutters(cm);\n }, true);\n option(\"keyMap\", \"default\", function (cm, val, old) {\n var next = getKeyMap(val);\n var prev = old != Init && getKeyMap(old);\n if (prev && prev.detach) { prev.detach(cm, next); }\n if (next.attach) { next.attach(cm, prev || null); }\n });\n option(\"extraKeys\", null);\n option(\"configureMouse\", null);\n\n option(\"lineWrapping\", false, wrappingChanged, true);\n option(\"gutters\", [], function (cm, val) {\n cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers);\n updateGutters(cm);\n }, true);\n option(\"fixedGutter\", true, function (cm, val) {\n cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + \"px\" : \"0\";\n cm.refresh();\n }, true);\n option(\"coverGutterNextToScrollbar\", false, function (cm) { return updateScrollbars(cm); }, true);\n option(\"scrollbarStyle\", \"native\", function (cm) {\n initScrollbars(cm);\n updateScrollbars(cm);\n cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);\n cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);\n }, true);\n option(\"lineNumbers\", false, function (cm, val) {\n cm.display.gutterSpecs = getGutters(cm.options.gutters, val);\n updateGutters(cm);\n }, true);\n option(\"firstLineNumber\", 1, updateGutters, true);\n option(\"lineNumberFormatter\", function (integer) { return integer; }, updateGutters, true);\n option(\"showCursorWhenSelecting\", false, updateSelection, true);\n\n option(\"resetSelectionOnContextMenu\", true);\n option(\"lineWiseCopyCut\", true);\n option(\"pasteLinesPerSelection\", true);\n option(\"selectionsMayTouch\", false);\n\n option(\"readOnly\", false, function (cm, val) {\n if (val == \"nocursor\") {\n onBlur(cm);\n cm.display.input.blur();\n }\n cm.display.input.readOnlyChanged(val);\n });\n\n option(\"screenReaderLabel\", null, function (cm, val) {\n val = (val === '') ? null : val;\n cm.display.input.screenReaderLabelChanged(val);\n });\n\n option(\"disableInput\", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);\n option(\"dragDrop\", true, dragDropChanged);\n option(\"allowDropFileTypes\", null);\n\n option(\"cursorBlinkRate\", 530);\n option(\"cursorScrollMargin\", 0);\n option(\"cursorHeight\", 1, updateSelection, true);\n option(\"singleCursorHeightPerLine\", true, updateSelection, true);\n option(\"workTime\", 100);\n option(\"workDelay\", 100);\n option(\"flattenSpans\", true, resetModeState, true);\n option(\"addModeClass\", false, resetModeState, true);\n option(\"pollInterval\", 100);\n option(\"undoDepth\", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });\n option(\"historyEventDelay\", 1250);\n option(\"viewportMargin\", 10, function (cm) { return cm.refresh(); }, true);\n option(\"maxHighlightLength\", 10000, resetModeState, true);\n option(\"moveInputWithCursor\", true, function (cm, val) {\n if (!val) { cm.display.input.resetPosition(); }\n });\n\n option(\"tabindex\", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || \"\"; });\n option(\"autofocus\", null);\n option(\"direction\", \"ltr\", function (cm, val) { return cm.doc.setDirection(val); }, true);\n option(\"phrases\", null);\n }\n\n function dragDropChanged(cm, value, old) {\n var wasOn = old && old != Init;\n if (!value != !wasOn) {\n var funcs = cm.display.dragFunctions;\n var toggle = value ? on : off;\n toggle(cm.display.scroller, \"dragstart\", funcs.start);\n toggle(cm.display.scroller, \"dragenter\", funcs.enter);\n toggle(cm.display.scroller, \"dragover\", funcs.over);\n toggle(cm.display.scroller, \"dragleave\", funcs.leave);\n toggle(cm.display.scroller, \"drop\", funcs.drop);\n }\n }\n\n function wrappingChanged(cm) {\n if (cm.options.lineWrapping) {\n addClass(cm.display.wrapper, \"CodeMirror-wrap\");\n cm.display.sizer.style.minWidth = \"\";\n cm.display.sizerWidth = null;\n } else {\n rmClass(cm.display.wrapper, \"CodeMirror-wrap\");\n findMaxLine(cm);\n }\n estimateLineHeights(cm);\n regChange(cm);\n clearCaches(cm);\n setTimeout(function () { return updateScrollbars(cm); }, 100);\n }\n\n // A CodeMirror instance represents an editor. This is the object\n // that user code is usually dealing with.\n\n function CodeMirror(place, options) {\n var this$1 = this;\n\n if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }\n\n this.options = options = options ? copyObj(options) : {};\n // Determine effective options based on given values and defaults.\n copyObj(defaults, options, false);\n\n var doc = options.value;\n if (typeof doc == \"string\") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }\n else if (options.mode) { doc.modeOption = options.mode; }\n this.doc = doc;\n\n var input = new CodeMirror.inputStyles[options.inputStyle](this);\n var display = this.display = new Display(place, doc, input, options);\n display.wrapper.CodeMirror = this;\n themeChanged(this);\n if (options.lineWrapping)\n { this.display.wrapper.className += \" CodeMirror-wrap\"; }\n initScrollbars(this);\n\n this.state = {\n keyMaps: [], // stores maps added by addKeyMap\n overlays: [], // highlighting overlays, as added by addOverlay\n modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info\n overwrite: false,\n delayingBlurEvent: false,\n focused: false,\n suppressEdits: false, // used to disable editing during key handlers when in readOnly mode\n pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll\n selectingText: false,\n draggingText: false,\n highlight: new Delayed(), // stores highlight worker timeout\n keySeq: null, // Unfinished key sequence\n specialChars: null\n };\n\n if (options.autofocus && !mobile) { display.input.focus(); }\n\n // Override magic textarea content restore that IE sometimes does\n // on our hidden textarea on reload\n if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }\n\n registerEventHandlers(this);\n ensureGlobalHandlers();\n\n startOperation(this);\n this.curOp.forceUpdate = true;\n attachDoc(this, doc);\n\n if ((options.autofocus && !mobile) || this.hasFocus())\n { setTimeout(function () {\n if (this$1.hasFocus() && !this$1.state.focused) { onFocus(this$1); }\n }, 20); }\n else\n { onBlur(this); }\n\n for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))\n { optionHandlers[opt](this, options[opt], Init); } }\n maybeUpdateLineNumberWidth(this);\n if (options.finishInit) { options.finishInit(this); }\n for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this); }\n endOperation(this);\n // Suppress optimizelegibility in Webkit, since it breaks text\n // measuring on line wrapping boundaries.\n if (webkit && options.lineWrapping &&\n getComputedStyle(display.lineDiv).textRendering == \"optimizelegibility\")\n { display.lineDiv.style.textRendering = \"auto\"; }\n }\n\n // The default configuration options.\n CodeMirror.defaults = defaults;\n // Functions to run when options are changed.\n CodeMirror.optionHandlers = optionHandlers;\n\n // Attach the necessary event handlers when initializing the editor\n function registerEventHandlers(cm) {\n var d = cm.display;\n on(d.scroller, \"mousedown\", operation(cm, onMouseDown));\n // Older IE's will not fire a second mousedown for a double click\n if (ie && ie_version < 11)\n { on(d.scroller, \"dblclick\", operation(cm, function (e) {\n if (signalDOMEvent(cm, e)) { return }\n var pos = posFromMouse(cm, e);\n if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }\n e_preventDefault(e);\n var word = cm.findWordAt(pos);\n extendSelection(cm.doc, word.anchor, word.head);\n })); }\n else\n { on(d.scroller, \"dblclick\", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }\n // Some browsers fire contextmenu *after* opening the menu, at\n // which point we can't mess with it anymore. Context menu is\n // handled in onMouseDown for these browsers.\n on(d.scroller, \"contextmenu\", function (e) { return onContextMenu(cm, e); });\n on(d.input.getField(), \"contextmenu\", function (e) {\n if (!d.scroller.contains(e.target)) { onContextMenu(cm, e); }\n });\n\n // Used to suppress mouse event handling when a touch happens\n var touchFinished, prevTouch = {end: 0};\n function finishTouch() {\n if (d.activeTouch) {\n touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);\n prevTouch = d.activeTouch;\n prevTouch.end = +new Date;\n }\n }\n function isMouseLikeTouchEvent(e) {\n if (e.touches.length != 1) { return false }\n var touch = e.touches[0];\n return touch.radiusX <= 1 && touch.radiusY <= 1\n }\n function farAway(touch, other) {\n if (other.left == null) { return true }\n var dx = other.left - touch.left, dy = other.top - touch.top;\n return dx * dx + dy * dy > 20 * 20\n }\n on(d.scroller, \"touchstart\", function (e) {\n if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {\n d.input.ensurePolled();\n clearTimeout(touchFinished);\n var now = +new Date;\n d.activeTouch = {start: now, moved: false,\n prev: now - prevTouch.end <= 300 ? prevTouch : null};\n if (e.touches.length == 1) {\n d.activeTouch.left = e.touches[0].pageX;\n d.activeTouch.top = e.touches[0].pageY;\n }\n }\n });\n on(d.scroller, \"touchmove\", function () {\n if (d.activeTouch) { d.activeTouch.moved = true; }\n });\n on(d.scroller, \"touchend\", function (e) {\n var touch = d.activeTouch;\n if (touch && !eventInWidget(d, e) && touch.left != null &&\n !touch.moved && new Date - touch.start < 300) {\n var pos = cm.coordsChar(d.activeTouch, \"page\"), range;\n if (!touch.prev || farAway(touch, touch.prev)) // Single tap\n { range = new Range(pos, pos); }\n else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap\n { range = cm.findWordAt(pos); }\n else // Triple tap\n { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }\n cm.setSelection(range.anchor, range.head);\n cm.focus();\n e_preventDefault(e);\n }\n finishTouch();\n });\n on(d.scroller, \"touchcancel\", finishTouch);\n\n // Sync scrolling between fake scrollbars and real scrollable\n // area, ensure viewport is updated when scrolling.\n on(d.scroller, \"scroll\", function () {\n if (d.scroller.clientHeight) {\n updateScrollTop(cm, d.scroller.scrollTop);\n setScrollLeft(cm, d.scroller.scrollLeft, true);\n signal(cm, \"scroll\", cm);\n }\n });\n\n // Listen to wheel events in order to try and update the viewport on time.\n on(d.scroller, \"mousewheel\", function (e) { return onScrollWheel(cm, e); });\n on(d.scroller, \"DOMMouseScroll\", function (e) { return onScrollWheel(cm, e); });\n\n // Prevent wrapper from ever scrolling\n on(d.wrapper, \"scroll\", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });\n\n d.dragFunctions = {\n enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},\n over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},\n start: function (e) { return onDragStart(cm, e); },\n drop: operation(cm, onDrop),\n leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}\n };\n\n var inp = d.input.getField();\n on(inp, \"keyup\", function (e) { return onKeyUp.call(cm, e); });\n on(inp, \"keydown\", operation(cm, onKeyDown));\n on(inp, \"keypress\", operation(cm, onKeyPress));\n on(inp, \"focus\", function (e) { return onFocus(cm, e); });\n on(inp, \"blur\", function (e) { return onBlur(cm, e); });\n }\n\n var initHooks = [];\n CodeMirror.defineInitHook = function (f) { return initHooks.push(f); };\n\n // Indent the given line. The how parameter can be \"smart\",\n // \"add\"/null, \"subtract\", or \"prev\". When aggressive is false\n // (typically set to true for forced single-line indents), empty\n // lines are not indented, and places where the mode returns Pass\n // are left alone.\n function indentLine(cm, n, how, aggressive) {\n var doc = cm.doc, state;\n if (how == null) { how = \"add\"; }\n if (how == \"smart\") {\n // Fall back to \"prev\" when the mode doesn't have an indentation\n // method.\n if (!doc.mode.indent) { how = \"prev\"; }\n else { state = getContextBefore(cm, n).state; }\n }\n\n var tabSize = cm.options.tabSize;\n var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);\n if (line.stateAfter) { line.stateAfter = null; }\n var curSpaceString = line.text.match(/^\\s*/)[0], indentation;\n if (!aggressive && !/\\S/.test(line.text)) {\n indentation = 0;\n how = \"not\";\n } else if (how == \"smart\") {\n indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);\n if (indentation == Pass || indentation > 150) {\n if (!aggressive) { return }\n how = \"prev\";\n }\n }\n if (how == \"prev\") {\n if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }\n else { indentation = 0; }\n } else if (how == \"add\") {\n indentation = curSpace + cm.options.indentUnit;\n } else if (how == \"subtract\") {\n indentation = curSpace - cm.options.indentUnit;\n } else if (typeof how == \"number\") {\n indentation = curSpace + how;\n }\n indentation = Math.max(0, indentation);\n\n var indentString = \"\", pos = 0;\n if (cm.options.indentWithTabs)\n { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += \"\\t\";} }\n if (pos < indentation) { indentString += spaceStr(indentation - pos); }\n\n if (indentString != curSpaceString) {\n replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), \"+input\");\n line.stateAfter = null;\n return true\n } else {\n // Ensure that, if the cursor was in the whitespace at the start\n // of the line, it is moved to the end of that space.\n for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {\n var range = doc.sel.ranges[i$1];\n if (range.head.line == n && range.head.ch < curSpaceString.length) {\n var pos$1 = Pos(n, curSpaceString.length);\n replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));\n break\n }\n }\n }\n }\n\n // This will be set to a {lineWise: bool, text: [string]} object, so\n // that, when pasting, we know what kind of selections the copied\n // text was made out of.\n var lastCopied = null;\n\n function setLastCopied(newLastCopied) {\n lastCopied = newLastCopied;\n }\n\n function applyTextInput(cm, inserted, deleted, sel, origin) {\n var doc = cm.doc;\n cm.display.shift = false;\n if (!sel) { sel = doc.sel; }\n\n var recent = +new Date - 200;\n var paste = origin == \"paste\" || cm.state.pasteIncoming > recent;\n var textLines = splitLinesAuto(inserted), multiPaste = null;\n // When pasting N lines into N selections, insert one line per selection\n if (paste && sel.ranges.length > 1) {\n if (lastCopied && lastCopied.text.join(\"\\n\") == inserted) {\n if (sel.ranges.length % lastCopied.text.length == 0) {\n multiPaste = [];\n for (var i = 0; i < lastCopied.text.length; i++)\n { multiPaste.push(doc.splitLines(lastCopied.text[i])); }\n }\n } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {\n multiPaste = map(textLines, function (l) { return [l]; });\n }\n }\n\n var updateInput = cm.curOp.updateInput;\n // Normal behavior is to insert the new text into every selection\n for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {\n var range = sel.ranges[i$1];\n var from = range.from(), to = range.to();\n if (range.empty()) {\n if (deleted && deleted > 0) // Handle deletion\n { from = Pos(from.line, from.ch - deleted); }\n else if (cm.state.overwrite && !paste) // Handle overwrite\n { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }\n else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join(\"\\n\") == textLines.join(\"\\n\"))\n { from = to = Pos(from.line, 0); }\n }\n var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,\n origin: origin || (paste ? \"paste\" : cm.state.cutIncoming > recent ? \"cut\" : \"+input\")};\n makeChange(cm.doc, changeEvent);\n signalLater(cm, \"inputRead\", cm, changeEvent);\n }\n if (inserted && !paste)\n { triggerElectric(cm, inserted); }\n\n ensureCursorVisible(cm);\n if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; }\n cm.curOp.typing = true;\n cm.state.pasteIncoming = cm.state.cutIncoming = -1;\n }\n\n function handlePaste(e, cm) {\n var pasted = e.clipboardData && e.clipboardData.getData(\"Text\");\n if (pasted) {\n e.preventDefault();\n if (!cm.isReadOnly() && !cm.options.disableInput && cm.hasFocus())\n { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, \"paste\"); }); }\n return true\n }\n }\n\n function triggerElectric(cm, inserted) {\n // When an 'electric' character is inserted, immediately trigger a reindent\n if (!cm.options.electricChars || !cm.options.smartIndent) { return }\n var sel = cm.doc.sel;\n\n for (var i = sel.ranges.length - 1; i >= 0; i--) {\n var range = sel.ranges[i];\n if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue }\n var mode = cm.getModeAt(range.head);\n var indented = false;\n if (mode.electricChars) {\n for (var j = 0; j < mode.electricChars.length; j++)\n { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {\n indented = indentLine(cm, range.head.line, \"smart\");\n break\n } }\n } else if (mode.electricInput) {\n if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))\n { indented = indentLine(cm, range.head.line, \"smart\"); }\n }\n if (indented) { signalLater(cm, \"electricInput\", cm, range.head.line); }\n }\n }\n\n function copyableRanges(cm) {\n var text = [], ranges = [];\n for (var i = 0; i < cm.doc.sel.ranges.length; i++) {\n var line = cm.doc.sel.ranges[i].head.line;\n var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};\n ranges.push(lineRange);\n text.push(cm.getRange(lineRange.anchor, lineRange.head));\n }\n return {text: text, ranges: ranges}\n }\n\n function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {\n field.setAttribute(\"autocorrect\", autocorrect ? \"on\" : \"off\");\n field.setAttribute(\"autocapitalize\", autocapitalize ? \"on\" : \"off\");\n field.setAttribute(\"spellcheck\", !!spellcheck);\n }\n\n function hiddenTextarea() {\n var te = elt(\"textarea\", null, null, \"position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; min-height: 1em; outline: none\");\n var div = elt(\"div\", [te], null, \"overflow: hidden; position: relative; width: 3px; height: 0px;\");\n // The textarea is kept positioned near the cursor to prevent the\n // fact that it'll be scrolled into view on input from scrolling\n // our fake cursor out of view. On webkit, when wrap=off, paste is\n // very slow. So make the area wide instead.\n if (webkit) { te.style.width = \"1000px\"; }\n else { te.setAttribute(\"wrap\", \"off\"); }\n // If border: 0; -- iOS fails to open keyboard (issue #1287)\n if (ios) { te.style.border = \"1px solid black\"; }\n return div\n }\n\n // The publicly visible API. Note that methodOp(f) means\n // 'wrap f in an operation, performed on its `this` parameter'.\n\n // This is not the complete set of editor methods. Most of the\n // methods defined on the Doc type are also injected into\n // CodeMirror.prototype, for backwards compatibility and\n // convenience.\n\n function addEditorMethods(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n var helpers = CodeMirror.helpers = {};\n\n CodeMirror.prototype = {\n constructor: CodeMirror,\n focus: function(){win(this).focus(); this.display.input.focus();},\n\n setOption: function(option, value) {\n var options = this.options, old = options[option];\n if (options[option] == value && option != \"mode\") { return }\n options[option] = value;\n if (optionHandlers.hasOwnProperty(option))\n { operation(this, optionHandlers[option])(this, value, old); }\n signal(this, \"optionChange\", this, option);\n },\n\n getOption: function(option) {return this.options[option]},\n getDoc: function() {return this.doc},\n\n addKeyMap: function(map, bottom) {\n this.state.keyMaps[bottom ? \"push\" : \"unshift\"](getKeyMap(map));\n },\n removeKeyMap: function(map) {\n var maps = this.state.keyMaps;\n for (var i = 0; i < maps.length; ++i)\n { if (maps[i] == map || maps[i].name == map) {\n maps.splice(i, 1);\n return true\n } }\n },\n\n addOverlay: methodOp(function(spec, options) {\n var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);\n if (mode.startState) { throw new Error(\"Overlays may not be stateful.\") }\n insertSorted(this.state.overlays,\n {mode: mode, modeSpec: spec, opaque: options && options.opaque,\n priority: (options && options.priority) || 0},\n function (overlay) { return overlay.priority; });\n this.state.modeGen++;\n regChange(this);\n }),\n removeOverlay: methodOp(function(spec) {\n var overlays = this.state.overlays;\n for (var i = 0; i < overlays.length; ++i) {\n var cur = overlays[i].modeSpec;\n if (cur == spec || typeof spec == \"string\" && cur.name == spec) {\n overlays.splice(i, 1);\n this.state.modeGen++;\n regChange(this);\n return\n }\n }\n }),\n\n indentLine: methodOp(function(n, dir, aggressive) {\n if (typeof dir != \"string\" && typeof dir != \"number\") {\n if (dir == null) { dir = this.options.smartIndent ? \"smart\" : \"prev\"; }\n else { dir = dir ? \"add\" : \"subtract\"; }\n }\n if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }\n }),\n indentSelection: methodOp(function(how) {\n var ranges = this.doc.sel.ranges, end = -1;\n for (var i = 0; i < ranges.length; i++) {\n var range = ranges[i];\n if (!range.empty()) {\n var from = range.from(), to = range.to();\n var start = Math.max(end, from.line);\n end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;\n for (var j = start; j < end; ++j)\n { indentLine(this, j, how); }\n var newRanges = this.doc.sel.ranges;\n if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)\n { replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }\n } else if (range.head.line > end) {\n indentLine(this, range.head.line, how, true);\n end = range.head.line;\n if (i == this.doc.sel.primIndex) { ensureCursorVisible(this); }\n }\n }\n }),\n\n // Fetch the parser token for a given character. Useful for hacks\n // that want to inspect the mode state (say, for completion).\n getTokenAt: function(pos, precise) {\n return takeToken(this, pos, precise)\n },\n\n getLineTokens: function(line, precise) {\n return takeToken(this, Pos(line), precise, true)\n },\n\n getTokenTypeAt: function(pos) {\n pos = clipPos(this.doc, pos);\n var styles = getLineStyles(this, getLine(this.doc, pos.line));\n var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;\n var type;\n if (ch == 0) { type = styles[2]; }\n else { for (;;) {\n var mid = (before + after) >> 1;\n if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }\n else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }\n else { type = styles[mid * 2 + 2]; break }\n } }\n var cut = type ? type.indexOf(\"overlay \") : -1;\n return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)\n },\n\n getModeAt: function(pos) {\n var mode = this.doc.mode;\n if (!mode.innerMode) { return mode }\n return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode\n },\n\n getHelper: function(pos, type) {\n return this.getHelpers(pos, type)[0]\n },\n\n getHelpers: function(pos, type) {\n var found = [];\n if (!helpers.hasOwnProperty(type)) { return found }\n var help = helpers[type], mode = this.getModeAt(pos);\n if (typeof mode[type] == \"string\") {\n if (help[mode[type]]) { found.push(help[mode[type]]); }\n } else if (mode[type]) {\n for (var i = 0; i < mode[type].length; i++) {\n var val = help[mode[type][i]];\n if (val) { found.push(val); }\n }\n } else if (mode.helperType && help[mode.helperType]) {\n found.push(help[mode.helperType]);\n } else if (help[mode.name]) {\n found.push(help[mode.name]);\n }\n for (var i$1 = 0; i$1 < help._global.length; i$1++) {\n var cur = help._global[i$1];\n if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)\n { found.push(cur.val); }\n }\n return found\n },\n\n getStateAfter: function(line, precise) {\n var doc = this.doc;\n line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);\n return getContextBefore(this, line + 1, precise).state\n },\n\n cursorCoords: function(start, mode) {\n var pos, range = this.doc.sel.primary();\n if (start == null) { pos = range.head; }\n else if (typeof start == \"object\") { pos = clipPos(this.doc, start); }\n else { pos = start ? range.from() : range.to(); }\n return cursorCoords(this, pos, mode || \"page\")\n },\n\n charCoords: function(pos, mode) {\n return charCoords(this, clipPos(this.doc, pos), mode || \"page\")\n },\n\n coordsChar: function(coords, mode) {\n coords = fromCoordSystem(this, coords, mode || \"page\");\n return coordsChar(this, coords.left, coords.top)\n },\n\n lineAtHeight: function(height, mode) {\n height = fromCoordSystem(this, {top: height, left: 0}, mode || \"page\").top;\n return lineAtHeight(this.doc, height + this.display.viewOffset)\n },\n heightAtLine: function(line, mode, includeWidgets) {\n var end = false, lineObj;\n if (typeof line == \"number\") {\n var last = this.doc.first + this.doc.size - 1;\n if (line < this.doc.first) { line = this.doc.first; }\n else if (line > last) { line = last; end = true; }\n lineObj = getLine(this.doc, line);\n } else {\n lineObj = line;\n }\n return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || \"page\", includeWidgets || end).top +\n (end ? this.doc.height - heightAtLine(lineObj) : 0)\n },\n\n defaultTextHeight: function() { return textHeight(this.display) },\n defaultCharWidth: function() { return charWidth(this.display) },\n\n getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},\n\n addWidget: function(pos, node, scroll, vert, horiz) {\n var display = this.display;\n pos = cursorCoords(this, clipPos(this.doc, pos));\n var top = pos.bottom, left = pos.left;\n node.style.position = \"absolute\";\n node.setAttribute(\"cm-ignore-events\", \"true\");\n this.display.input.setUneditable(node);\n display.sizer.appendChild(node);\n if (vert == \"over\") {\n top = pos.top;\n } else if (vert == \"above\" || vert == \"near\") {\n var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),\n hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);\n // Default to positioning above (if specified and possible); otherwise default to positioning below\n if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)\n { top = pos.top - node.offsetHeight; }\n else if (pos.bottom + node.offsetHeight <= vspace)\n { top = pos.bottom; }\n if (left + node.offsetWidth > hspace)\n { left = hspace - node.offsetWidth; }\n }\n node.style.top = top + \"px\";\n node.style.left = node.style.right = \"\";\n if (horiz == \"right\") {\n left = display.sizer.clientWidth - node.offsetWidth;\n node.style.right = \"0px\";\n } else {\n if (horiz == \"left\") { left = 0; }\n else if (horiz == \"middle\") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }\n node.style.left = left + \"px\";\n }\n if (scroll)\n { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }\n },\n\n triggerOnKeyDown: methodOp(onKeyDown),\n triggerOnKeyPress: methodOp(onKeyPress),\n triggerOnKeyUp: onKeyUp,\n triggerOnMouseDown: methodOp(onMouseDown),\n\n execCommand: function(cmd) {\n if (commands.hasOwnProperty(cmd))\n { return commands[cmd].call(null, this) }\n },\n\n triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),\n\n findPosH: function(from, amount, unit, visually) {\n var dir = 1;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n cur = findPosH(this.doc, cur, dir, unit, visually);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveH: methodOp(function(dir, unit) {\n var this$1 = this;\n\n this.extendSelectionsBy(function (range) {\n if (this$1.display.shift || this$1.doc.extend || range.empty())\n { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) }\n else\n { return dir < 0 ? range.from() : range.to() }\n }, sel_move);\n }),\n\n deleteH: methodOp(function(dir, unit) {\n var sel = this.doc.sel, doc = this.doc;\n if (sel.somethingSelected())\n { doc.replaceSelection(\"\", null, \"+delete\"); }\n else\n { deleteNearSelection(this, function (range) {\n var other = findPosH(doc, range.head, dir, unit, false);\n return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}\n }); }\n }),\n\n findPosV: function(from, amount, unit, goalColumn) {\n var dir = 1, x = goalColumn;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n var coords = cursorCoords(this, cur, \"div\");\n if (x == null) { x = coords.left; }\n else { coords.left = x; }\n cur = findPosV(this, coords, dir, unit);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveV: methodOp(function(dir, unit) {\n var this$1 = this;\n\n var doc = this.doc, goals = [];\n var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();\n doc.extendSelectionsBy(function (range) {\n if (collapse)\n { return dir < 0 ? range.from() : range.to() }\n var headPos = cursorCoords(this$1, range.head, \"div\");\n if (range.goalColumn != null) { headPos.left = range.goalColumn; }\n goals.push(headPos.left);\n var pos = findPosV(this$1, headPos, dir, unit);\n if (unit == \"page\" && range == doc.sel.primary())\n { addToScrollTop(this$1, charCoords(this$1, pos, \"div\").top - headPos.top); }\n return pos\n }, sel_move);\n if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)\n { doc.sel.ranges[i].goalColumn = goals[i]; } }\n }),\n\n // Find the word at the given position (as returned by coordsChar).\n findWordAt: function(pos) {\n var doc = this.doc, line = getLine(doc, pos.line).text;\n var start = pos.ch, end = pos.ch;\n if (line) {\n var helper = this.getHelper(pos, \"wordChars\");\n if ((pos.sticky == \"before\" || end == line.length) && start) { --start; } else { ++end; }\n var startChar = line.charAt(start);\n var check = isWordChar(startChar, helper)\n ? function (ch) { return isWordChar(ch, helper); }\n : /\\s/.test(startChar) ? function (ch) { return /\\s/.test(ch); }\n : function (ch) { return (!/\\s/.test(ch) && !isWordChar(ch)); };\n while (start > 0 && check(line.charAt(start - 1))) { --start; }\n while (end < line.length && check(line.charAt(end))) { ++end; }\n }\n return new Range(Pos(pos.line, start), Pos(pos.line, end))\n },\n\n toggleOverwrite: function(value) {\n if (value != null && value == this.state.overwrite) { return }\n if (this.state.overwrite = !this.state.overwrite)\n { addClass(this.display.cursorDiv, \"CodeMirror-overwrite\"); }\n else\n { rmClass(this.display.cursorDiv, \"CodeMirror-overwrite\"); }\n\n signal(this, \"overwriteToggle\", this, this.state.overwrite);\n },\n hasFocus: function() { return this.display.input.getField() == activeElt(root(this)) },\n isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },\n\n scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),\n getScrollInfo: function() {\n var scroller = this.display.scroller;\n return {left: scroller.scrollLeft, top: scroller.scrollTop,\n height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,\n width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,\n clientHeight: displayHeight(this), clientWidth: displayWidth(this)}\n },\n\n scrollIntoView: methodOp(function(range, margin) {\n if (range == null) {\n range = {from: this.doc.sel.primary().head, to: null};\n if (margin == null) { margin = this.options.cursorScrollMargin; }\n } else if (typeof range == \"number\") {\n range = {from: Pos(range, 0), to: null};\n } else if (range.from == null) {\n range = {from: range, to: null};\n }\n if (!range.to) { range.to = range.from; }\n range.margin = margin || 0;\n\n if (range.from.line != null) {\n scrollToRange(this, range);\n } else {\n scrollToCoordsRange(this, range.from, range.to, range.margin);\n }\n }),\n\n setSize: methodOp(function(width, height) {\n var this$1 = this;\n\n var interpret = function (val) { return typeof val == \"number\" || /^\\d+$/.test(String(val)) ? val + \"px\" : val; };\n if (width != null) { this.display.wrapper.style.width = interpret(width); }\n if (height != null) { this.display.wrapper.style.height = interpret(height); }\n if (this.options.lineWrapping) { clearLineMeasurementCache(this); }\n var lineNo = this.display.viewFrom;\n this.doc.iter(lineNo, this.display.viewTo, function (line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)\n { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, \"widget\"); break } } }\n ++lineNo;\n });\n this.curOp.forceUpdate = true;\n signal(this, \"refresh\", this);\n }),\n\n operation: function(f){return runInOp(this, f)},\n startOperation: function(){return startOperation(this)},\n endOperation: function(){return endOperation(this)},\n\n refresh: methodOp(function() {\n var oldHeight = this.display.cachedTextHeight;\n regChange(this);\n this.curOp.forceUpdate = true;\n clearCaches(this);\n scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);\n updateGutterSpace(this.display);\n if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5 || this.options.lineWrapping)\n { estimateLineHeights(this); }\n signal(this, \"refresh\", this);\n }),\n\n swapDoc: methodOp(function(doc) {\n var old = this.doc;\n old.cm = null;\n // Cancel the current text selection if any (#5821)\n if (this.state.selectingText) { this.state.selectingText(); }\n attachDoc(this, doc);\n clearCaches(this);\n this.display.input.reset();\n scrollToCoords(this, doc.scrollLeft, doc.scrollTop);\n this.curOp.forceScroll = true;\n signalLater(this, \"swapDoc\", this, old);\n return old\n }),\n\n phrase: function(phraseText) {\n var phrases = this.options.phrases;\n return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText\n },\n\n getInputField: function(){return this.display.input.getField()},\n getWrapperElement: function(){return this.display.wrapper},\n getScrollerElement: function(){return this.display.scroller},\n getGutterElement: function(){return this.display.gutters}\n };\n eventMixin(CodeMirror);\n\n CodeMirror.registerHelper = function(type, name, value) {\n if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }\n helpers[type][name] = value;\n };\n CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {\n CodeMirror.registerHelper(type, name, value);\n helpers[type]._global.push({pred: predicate, val: value});\n };\n }\n\n // Used for horizontal relative motion. Dir is -1 or 1 (left or\n // right), unit can be \"codepoint\", \"char\", \"column\" (like char, but\n // doesn't cross line boundaries), \"word\" (across next word), or\n // \"group\" (to the start of next group of word or\n // non-word-non-whitespace chars). The visually param controls\n // whether, in right-to-left text, direction 1 means to move towards\n // the next index in the string, or towards the character to the right\n // of the current position. The resulting position will have a\n // hitSide=true property if it reached the end of the document.\n function findPosH(doc, pos, dir, unit, visually) {\n var oldPos = pos;\n var origDir = dir;\n var lineObj = getLine(doc, pos.line);\n var lineDir = visually && doc.direction == \"rtl\" ? -dir : dir;\n function findNextLine() {\n var l = pos.line + lineDir;\n if (l < doc.first || l >= doc.first + doc.size) { return false }\n pos = new Pos(l, pos.ch, pos.sticky);\n return lineObj = getLine(doc, l)\n }\n function moveOnce(boundToLine) {\n var next;\n if (unit == \"codepoint\") {\n var ch = lineObj.text.charCodeAt(pos.ch + (dir > 0 ? 0 : -1));\n if (isNaN(ch)) {\n next = null;\n } else {\n var astral = dir > 0 ? ch >= 0xD800 && ch < 0xDC00 : ch >= 0xDC00 && ch < 0xDFFF;\n next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (astral ? 2 : 1))), -dir);\n }\n } else if (visually) {\n next = moveVisually(doc.cm, lineObj, pos, dir);\n } else {\n next = moveLogically(lineObj, pos, dir);\n }\n if (next == null) {\n if (!boundToLine && findNextLine())\n { pos = endOfLine(visually, doc.cm, lineObj, pos.line, lineDir); }\n else\n { return false }\n } else {\n pos = next;\n }\n return true\n }\n\n if (unit == \"char\" || unit == \"codepoint\") {\n moveOnce();\n } else if (unit == \"column\") {\n moveOnce(true);\n } else if (unit == \"word\" || unit == \"group\") {\n var sawType = null, group = unit == \"group\";\n var helper = doc.cm && doc.cm.getHelper(pos, \"wordChars\");\n for (var first = true;; first = false) {\n if (dir < 0 && !moveOnce(!first)) { break }\n var cur = lineObj.text.charAt(pos.ch) || \"\\n\";\n var type = isWordChar(cur, helper) ? \"w\"\n : group && cur == \"\\n\" ? \"n\"\n : !group || /\\s/.test(cur) ? null\n : \"p\";\n if (group && !first && !type) { type = \"s\"; }\n if (sawType && sawType != type) {\n if (dir < 0) {dir = 1; moveOnce(); pos.sticky = \"after\";}\n break\n }\n\n if (type) { sawType = type; }\n if (dir > 0 && !moveOnce(!first)) { break }\n }\n }\n var result = skipAtomic(doc, pos, oldPos, origDir, true);\n if (equalCursorPos(oldPos, result)) { result.hitSide = true; }\n return result\n }\n\n // For relative vertical movement. Dir may be -1 or 1. Unit can be\n // \"page\" or \"line\". The resulting position will have a hitSide=true\n // property if it reached the end of the document.\n function findPosV(cm, pos, dir, unit) {\n var doc = cm.doc, x = pos.left, y;\n if (unit == \"page\") {\n var pageSize = Math.min(cm.display.wrapper.clientHeight, win(cm).innerHeight || doc(cm).documentElement.clientHeight);\n var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);\n y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;\n\n } else if (unit == \"line\") {\n y = dir > 0 ? pos.bottom + 3 : pos.top - 3;\n }\n var target;\n for (;;) {\n target = coordsChar(cm, x, y);\n if (!target.outside) { break }\n if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }\n y += dir * 5;\n }\n return target\n }\n\n // CONTENTEDITABLE INPUT STYLE\n\n var ContentEditableInput = function(cm) {\n this.cm = cm;\n this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;\n this.polling = new Delayed();\n this.composing = null;\n this.gracePeriod = false;\n this.readDOMTimeout = null;\n };\n\n ContentEditableInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = input.cm;\n var div = input.div = display.lineDiv;\n div.contentEditable = true;\n disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize);\n\n function belongsToInput(e) {\n for (var t = e.target; t; t = t.parentNode) {\n if (t == div) { return true }\n if (/\\bCodeMirror-(?:line)?widget\\b/.test(t.className)) { break }\n }\n return false\n }\n\n on(div, \"paste\", function (e) {\n if (!belongsToInput(e) || signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n // IE doesn't fire input events, so we schedule a read for the pasted content in this way\n if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }\n });\n\n on(div, \"compositionstart\", function (e) {\n this$1.composing = {data: e.data, done: false};\n });\n on(div, \"compositionupdate\", function (e) {\n if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }\n });\n on(div, \"compositionend\", function (e) {\n if (this$1.composing) {\n if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }\n this$1.composing.done = true;\n }\n });\n\n on(div, \"touchstart\", function () { return input.forceCompositionEnd(); });\n\n on(div, \"input\", function () {\n if (!this$1.composing) { this$1.readFromDOMSoon(); }\n });\n\n function onCopyCut(e) {\n if (!belongsToInput(e) || signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n if (e.type == \"cut\") { cm.replaceSelection(\"\", null, \"cut\"); }\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == \"cut\") {\n cm.operation(function () {\n cm.setSelections(ranges.ranges, 0, sel_dontScroll);\n cm.replaceSelection(\"\", null, \"cut\");\n });\n }\n }\n if (e.clipboardData) {\n e.clipboardData.clearData();\n var content = lastCopied.text.join(\"\\n\");\n // iOS exposes the clipboard API, but seems to discard content inserted into it\n e.clipboardData.setData(\"Text\", content);\n if (e.clipboardData.getData(\"Text\") == content) {\n e.preventDefault();\n return\n }\n }\n // Old-fashioned briefly-focus-a-textarea hack\n var kludge = hiddenTextarea(), te = kludge.firstChild;\n disableBrowserMagic(te);\n cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);\n te.value = lastCopied.text.join(\"\\n\");\n var hadFocus = activeElt(rootNode(div));\n selectInput(te);\n setTimeout(function () {\n cm.display.lineSpace.removeChild(kludge);\n hadFocus.focus();\n if (hadFocus == div) { input.showPrimarySelection(); }\n }, 50);\n }\n on(div, \"copy\", onCopyCut);\n on(div, \"cut\", onCopyCut);\n };\n\n ContentEditableInput.prototype.screenReaderLabelChanged = function (label) {\n // Label for screenreaders, accessibility\n if(label) {\n this.div.setAttribute('aria-label', label);\n } else {\n this.div.removeAttribute('aria-label');\n }\n };\n\n ContentEditableInput.prototype.prepareSelection = function () {\n var result = prepareSelection(this.cm, false);\n result.focus = activeElt(rootNode(this.div)) == this.div;\n return result\n };\n\n ContentEditableInput.prototype.showSelection = function (info, takeFocus) {\n if (!info || !this.cm.display.view.length) { return }\n if (info.focus || takeFocus) { this.showPrimarySelection(); }\n this.showMultipleSelections(info);\n };\n\n ContentEditableInput.prototype.getSelection = function () {\n return this.cm.display.wrapper.ownerDocument.getSelection()\n };\n\n ContentEditableInput.prototype.showPrimarySelection = function () {\n var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();\n var from = prim.from(), to = prim.to();\n\n if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {\n sel.removeAllRanges();\n return\n }\n\n var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&\n cmp(minPos(curAnchor, curFocus), from) == 0 &&\n cmp(maxPos(curAnchor, curFocus), to) == 0)\n { return }\n\n var view = cm.display.view;\n var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||\n {node: view[0].measure.map[2], offset: 0};\n var end = to.line < cm.display.viewTo && posToDOM(cm, to);\n if (!end) {\n var measure = view[view.length - 1].measure;\n var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;\n end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]};\n }\n\n if (!start || !end) {\n sel.removeAllRanges();\n return\n }\n\n var old = sel.rangeCount && sel.getRangeAt(0), rng;\n try { rng = range(start.node, start.offset, end.offset, end.node); }\n catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible\n if (rng) {\n if (!gecko && cm.state.focused) {\n sel.collapse(start.node, start.offset);\n if (!rng.collapsed) {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n } else {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n if (old && sel.anchorNode == null) { sel.addRange(old); }\n else if (gecko) { this.startGracePeriod(); }\n }\n this.rememberSelection();\n };\n\n ContentEditableInput.prototype.startGracePeriod = function () {\n var this$1 = this;\n\n clearTimeout(this.gracePeriod);\n this.gracePeriod = setTimeout(function () {\n this$1.gracePeriod = false;\n if (this$1.selectionChanged())\n { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }\n }, 20);\n };\n\n ContentEditableInput.prototype.showMultipleSelections = function (info) {\n removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);\n removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);\n };\n\n ContentEditableInput.prototype.rememberSelection = function () {\n var sel = this.getSelection();\n this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;\n this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;\n };\n\n ContentEditableInput.prototype.selectionInEditor = function () {\n var sel = this.getSelection();\n if (!sel.rangeCount) { return false }\n var node = sel.getRangeAt(0).commonAncestorContainer;\n return contains(this.div, node)\n };\n\n ContentEditableInput.prototype.focus = function () {\n if (this.cm.options.readOnly != \"nocursor\") {\n if (!this.selectionInEditor() || activeElt(rootNode(this.div)) != this.div)\n { this.showSelection(this.prepareSelection(), true); }\n this.div.focus();\n }\n };\n ContentEditableInput.prototype.blur = function () { this.div.blur(); };\n ContentEditableInput.prototype.getField = function () { return this.div };\n\n ContentEditableInput.prototype.supportsTouch = function () { return true };\n\n ContentEditableInput.prototype.receivedFocus = function () {\n var this$1 = this;\n\n var input = this;\n if (this.selectionInEditor())\n { setTimeout(function () { return this$1.pollSelection(); }, 20); }\n else\n { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }\n\n function poll() {\n if (input.cm.state.focused) {\n input.pollSelection();\n input.polling.set(input.cm.options.pollInterval, poll);\n }\n }\n this.polling.set(this.cm.options.pollInterval, poll);\n };\n\n ContentEditableInput.prototype.selectionChanged = function () {\n var sel = this.getSelection();\n return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||\n sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset\n };\n\n ContentEditableInput.prototype.pollSelection = function () {\n if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }\n var sel = this.getSelection(), cm = this.cm;\n // On Android Chrome (version 56, at least), backspacing into an\n // uneditable block element will put the cursor in that element,\n // and then, because it's not editable, hide the virtual keyboard.\n // Because Android doesn't allow us to actually detect backspace\n // presses in a sane way, this code checks for when that happens\n // and simulates a backspace press in this case.\n if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) {\n this.cm.triggerOnKeyDown({type: \"keydown\", keyCode: 8, preventDefault: Math.abs});\n this.blur();\n this.focus();\n return\n }\n if (this.composing) { return }\n this.rememberSelection();\n var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var head = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (anchor && head) { runInOp(cm, function () {\n setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);\n if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }\n }); }\n };\n\n ContentEditableInput.prototype.pollContent = function () {\n if (this.readDOMTimeout != null) {\n clearTimeout(this.readDOMTimeout);\n this.readDOMTimeout = null;\n }\n\n var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();\n var from = sel.from(), to = sel.to();\n if (from.ch == 0 && from.line > cm.firstLine())\n { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }\n if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())\n { to = Pos(to.line + 1, 0); }\n if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }\n\n var fromIndex, fromLine, fromNode;\n if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {\n fromLine = lineNo(display.view[0].line);\n fromNode = display.view[0].node;\n } else {\n fromLine = lineNo(display.view[fromIndex].line);\n fromNode = display.view[fromIndex - 1].node.nextSibling;\n }\n var toIndex = findViewIndex(cm, to.line);\n var toLine, toNode;\n if (toIndex == display.view.length - 1) {\n toLine = display.viewTo - 1;\n toNode = display.lineDiv.lastChild;\n } else {\n toLine = lineNo(display.view[toIndex + 1].line) - 1;\n toNode = display.view[toIndex + 1].node.previousSibling;\n }\n\n if (!fromNode) { return false }\n var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));\n var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));\n while (newText.length > 1 && oldText.length > 1) {\n if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }\n else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }\n else { break }\n }\n\n var cutFront = 0, cutEnd = 0;\n var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);\n while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))\n { ++cutFront; }\n var newBot = lst(newText), oldBot = lst(oldText);\n var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),\n oldBot.length - (oldText.length == 1 ? cutFront : 0));\n while (cutEnd < maxCutEnd &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))\n { ++cutEnd; }\n // Try to move start of change to start of selection if ambiguous\n if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {\n while (cutFront && cutFront > from.ch &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {\n cutFront--;\n cutEnd++;\n }\n }\n\n newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\\u200b+/, \"\");\n newText[0] = newText[0].slice(cutFront).replace(/\\u200b+$/, \"\");\n\n var chFrom = Pos(fromLine, cutFront);\n var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);\n if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {\n replaceRange(cm.doc, newText, chFrom, chTo, \"+input\");\n return true\n }\n };\n\n ContentEditableInput.prototype.ensurePolled = function () {\n this.forceCompositionEnd();\n };\n ContentEditableInput.prototype.reset = function () {\n this.forceCompositionEnd();\n };\n ContentEditableInput.prototype.forceCompositionEnd = function () {\n if (!this.composing) { return }\n clearTimeout(this.readDOMTimeout);\n this.composing = null;\n this.updateFromDOM();\n this.div.blur();\n this.div.focus();\n };\n ContentEditableInput.prototype.readFromDOMSoon = function () {\n var this$1 = this;\n\n if (this.readDOMTimeout != null) { return }\n this.readDOMTimeout = setTimeout(function () {\n this$1.readDOMTimeout = null;\n if (this$1.composing) {\n if (this$1.composing.done) { this$1.composing = null; }\n else { return }\n }\n this$1.updateFromDOM();\n }, 80);\n };\n\n ContentEditableInput.prototype.updateFromDOM = function () {\n var this$1 = this;\n\n if (this.cm.isReadOnly() || !this.pollContent())\n { runInOp(this.cm, function () { return regChange(this$1.cm); }); }\n };\n\n ContentEditableInput.prototype.setUneditable = function (node) {\n node.contentEditable = \"false\";\n };\n\n ContentEditableInput.prototype.onKeyPress = function (e) {\n if (e.charCode == 0 || this.composing) { return }\n e.preventDefault();\n if (!this.cm.isReadOnly())\n { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }\n };\n\n ContentEditableInput.prototype.readOnlyChanged = function (val) {\n this.div.contentEditable = String(val != \"nocursor\");\n };\n\n ContentEditableInput.prototype.onContextMenu = function () {};\n ContentEditableInput.prototype.resetPosition = function () {};\n\n ContentEditableInput.prototype.needsContentAttribute = true;\n\n function posToDOM(cm, pos) {\n var view = findViewForLine(cm, pos.line);\n if (!view || view.hidden) { return null }\n var line = getLine(cm.doc, pos.line);\n var info = mapFromLineView(view, line, pos.line);\n\n var order = getOrder(line, cm.doc.direction), side = \"left\";\n if (order) {\n var partPos = getBidiPartAt(order, pos.ch);\n side = partPos % 2 ? \"right\" : \"left\";\n }\n var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);\n result.offset = result.collapse == \"right\" ? result.end : result.start;\n return result\n }\n\n function isInGutter(node) {\n for (var scan = node; scan; scan = scan.parentNode)\n { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }\n return false\n }\n\n function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }\n\n function domTextBetween(cm, from, to, fromLine, toLine) {\n var text = \"\", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false;\n function recognizeMarker(id) { return function (marker) { return marker.id == id; } }\n function close() {\n if (closing) {\n text += lineSep;\n if (extraLinebreak) { text += lineSep; }\n closing = extraLinebreak = false;\n }\n }\n function addText(str) {\n if (str) {\n close();\n text += str;\n }\n }\n function walk(node) {\n if (node.nodeType == 1) {\n var cmText = node.getAttribute(\"cm-text\");\n if (cmText) {\n addText(cmText);\n return\n }\n var markerID = node.getAttribute(\"cm-marker\"), range;\n if (markerID) {\n var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));\n if (found.length && (range = found[0].find(0)))\n { addText(getBetween(cm.doc, range.from, range.to).join(lineSep)); }\n return\n }\n if (node.getAttribute(\"contenteditable\") == \"false\") { return }\n var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName);\n if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return }\n\n if (isBlock) { close(); }\n for (var i = 0; i < node.childNodes.length; i++)\n { walk(node.childNodes[i]); }\n\n if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; }\n if (isBlock) { closing = true; }\n } else if (node.nodeType == 3) {\n addText(node.nodeValue.replace(/\\u200b/g, \"\").replace(/\\u00a0/g, \" \"));\n }\n }\n for (;;) {\n walk(from);\n if (from == to) { break }\n from = from.nextSibling;\n extraLinebreak = false;\n }\n return text\n }\n\n function domToPos(cm, node, offset) {\n var lineNode;\n if (node == cm.display.lineDiv) {\n lineNode = cm.display.lineDiv.childNodes[offset];\n if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }\n node = null; offset = 0;\n } else {\n for (lineNode = node;; lineNode = lineNode.parentNode) {\n if (!lineNode || lineNode == cm.display.lineDiv) { return null }\n if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }\n }\n }\n for (var i = 0; i < cm.display.view.length; i++) {\n var lineView = cm.display.view[i];\n if (lineView.node == lineNode)\n { return locateNodeInLineView(lineView, node, offset) }\n }\n }\n\n function locateNodeInLineView(lineView, node, offset) {\n var wrapper = lineView.text.firstChild, bad = false;\n if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }\n if (node == wrapper) {\n bad = true;\n node = wrapper.childNodes[offset];\n offset = 0;\n if (!node) {\n var line = lineView.rest ? lst(lineView.rest) : lineView.line;\n return badPos(Pos(lineNo(line), line.text.length), bad)\n }\n }\n\n var textNode = node.nodeType == 3 ? node : null, topNode = node;\n if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {\n textNode = node.firstChild;\n if (offset) { offset = textNode.nodeValue.length; }\n }\n while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }\n var measure = lineView.measure, maps = measure.maps;\n\n function find(textNode, topNode, offset) {\n for (var i = -1; i < (maps ? maps.length : 0); i++) {\n var map = i < 0 ? measure.map : maps[i];\n for (var j = 0; j < map.length; j += 3) {\n var curNode = map[j + 2];\n if (curNode == textNode || curNode == topNode) {\n var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);\n var ch = map[j] + offset;\n if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)]; }\n return Pos(line, ch)\n }\n }\n }\n }\n var found = find(textNode, topNode, offset);\n if (found) { return badPos(found, bad) }\n\n // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems\n for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {\n found = find(after, after.firstChild, 0);\n if (found)\n { return badPos(Pos(found.line, found.ch - dist), bad) }\n else\n { dist += after.textContent.length; }\n }\n for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {\n found = find(before, before.firstChild, -1);\n if (found)\n { return badPos(Pos(found.line, found.ch + dist$1), bad) }\n else\n { dist$1 += before.textContent.length; }\n }\n }\n\n // TEXTAREA INPUT STYLE\n\n var TextareaInput = function(cm) {\n this.cm = cm;\n // See input.poll and input.reset\n this.prevInput = \"\";\n\n // Flag that indicates whether we expect input to appear real soon\n // now (after some event like 'keypress' or 'input') and are\n // polling intensively.\n this.pollingFast = false;\n // Self-resetting timeout for the poller\n this.polling = new Delayed();\n // Used to work around IE issue with selection being forgotten when focus moves away from textarea\n this.hasSelection = false;\n this.composing = null;\n this.resetting = false;\n };\n\n TextareaInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = this.cm;\n this.createField(display);\n var te = this.textarea;\n\n display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild);\n\n // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)\n if (ios) { te.style.width = \"0px\"; }\n\n on(te, \"input\", function () {\n if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }\n input.poll();\n });\n\n on(te, \"paste\", function (e) {\n if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n\n cm.state.pasteIncoming = +new Date;\n input.fastPoll();\n });\n\n function prepareCopyCut(e) {\n if (signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == \"cut\") {\n cm.setSelections(ranges.ranges, null, sel_dontScroll);\n } else {\n input.prevInput = \"\";\n te.value = ranges.text.join(\"\\n\");\n selectInput(te);\n }\n }\n if (e.type == \"cut\") { cm.state.cutIncoming = +new Date; }\n }\n on(te, \"cut\", prepareCopyCut);\n on(te, \"copy\", prepareCopyCut);\n\n on(display.scroller, \"paste\", function (e) {\n if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }\n if (!te.dispatchEvent) {\n cm.state.pasteIncoming = +new Date;\n input.focus();\n return\n }\n\n // Pass the `paste` event to the textarea so it's handled by its event listener.\n var event = new Event(\"paste\");\n event.clipboardData = e.clipboardData;\n te.dispatchEvent(event);\n });\n\n // Prevent normal selection in the editor (we handle our own)\n on(display.lineSpace, \"selectstart\", function (e) {\n if (!eventInWidget(display, e)) { e_preventDefault(e); }\n });\n\n on(te, \"compositionstart\", function () {\n var start = cm.getCursor(\"from\");\n if (input.composing) { input.composing.range.clear(); }\n input.composing = {\n start: start,\n range: cm.markText(start, cm.getCursor(\"to\"), {className: \"CodeMirror-composing\"})\n };\n });\n on(te, \"compositionend\", function () {\n if (input.composing) {\n input.poll();\n input.composing.range.clear();\n input.composing = null;\n }\n });\n };\n\n TextareaInput.prototype.createField = function (_display) {\n // Wraps and hides input textarea\n this.wrapper = hiddenTextarea();\n // The semihidden textarea that is focused when the editor is\n // focused, and receives input.\n this.textarea = this.wrapper.firstChild;\n var opts = this.cm.options;\n disableBrowserMagic(this.textarea, opts.spellcheck, opts.autocorrect, opts.autocapitalize);\n };\n\n TextareaInput.prototype.screenReaderLabelChanged = function (label) {\n // Label for screenreaders, accessibility\n if(label) {\n this.textarea.setAttribute('aria-label', label);\n } else {\n this.textarea.removeAttribute('aria-label');\n }\n };\n\n TextareaInput.prototype.prepareSelection = function () {\n // Redraw the selection and/or cursor\n var cm = this.cm, display = cm.display, doc = cm.doc;\n var result = prepareSelection(cm);\n\n // Move the hidden textarea near the cursor to prevent scrolling artifacts\n if (cm.options.moveInputWithCursor) {\n var headPos = cursorCoords(cm, doc.sel.primary().head, \"div\");\n var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();\n result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,\n headPos.top + lineOff.top - wrapOff.top));\n result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,\n headPos.left + lineOff.left - wrapOff.left));\n }\n\n return result\n };\n\n TextareaInput.prototype.showSelection = function (drawn) {\n var cm = this.cm, display = cm.display;\n removeChildrenAndAdd(display.cursorDiv, drawn.cursors);\n removeChildrenAndAdd(display.selectionDiv, drawn.selection);\n if (drawn.teTop != null) {\n this.wrapper.style.top = drawn.teTop + \"px\";\n this.wrapper.style.left = drawn.teLeft + \"px\";\n }\n };\n\n // Reset the input to correspond to the selection (or to be empty,\n // when not typing and nothing is selected)\n TextareaInput.prototype.reset = function (typing) {\n if (this.contextMenuPending || this.composing && typing) { return }\n var cm = this.cm;\n this.resetting = true;\n if (cm.somethingSelected()) {\n this.prevInput = \"\";\n var content = cm.getSelection();\n this.textarea.value = content;\n if (cm.state.focused) { selectInput(this.textarea); }\n if (ie && ie_version >= 9) { this.hasSelection = content; }\n } else if (!typing) {\n this.prevInput = this.textarea.value = \"\";\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n }\n this.resetting = false;\n };\n\n TextareaInput.prototype.getField = function () { return this.textarea };\n\n TextareaInput.prototype.supportsTouch = function () { return false };\n\n TextareaInput.prototype.focus = function () {\n if (this.cm.options.readOnly != \"nocursor\" && (!mobile || activeElt(rootNode(this.textarea)) != this.textarea)) {\n try { this.textarea.focus(); }\n catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM\n }\n };\n\n TextareaInput.prototype.blur = function () { this.textarea.blur(); };\n\n TextareaInput.prototype.resetPosition = function () {\n this.wrapper.style.top = this.wrapper.style.left = 0;\n };\n\n TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };\n\n // Poll for input changes, using the normal rate of polling. This\n // runs as long as the editor is focused.\n TextareaInput.prototype.slowPoll = function () {\n var this$1 = this;\n\n if (this.pollingFast) { return }\n this.polling.set(this.cm.options.pollInterval, function () {\n this$1.poll();\n if (this$1.cm.state.focused) { this$1.slowPoll(); }\n });\n };\n\n // When an event has just come in that is likely to add or change\n // something in the input textarea, we poll faster, to ensure that\n // the change appears on the screen quickly.\n TextareaInput.prototype.fastPoll = function () {\n var missed = false, input = this;\n input.pollingFast = true;\n function p() {\n var changed = input.poll();\n if (!changed && !missed) {missed = true; input.polling.set(60, p);}\n else {input.pollingFast = false; input.slowPoll();}\n }\n input.polling.set(20, p);\n };\n\n // Read input from the textarea, and update the document to match.\n // When something is selected, it is present in the textarea, and\n // selected (unless it is huge, in which case a placeholder is\n // used). When nothing is selected, the cursor sits after previously\n // seen text (can be empty), which is stored in prevInput (we must\n // not reset the textarea when typing, because that breaks IME).\n TextareaInput.prototype.poll = function () {\n var this$1 = this;\n\n var cm = this.cm, input = this.textarea, prevInput = this.prevInput;\n // Since this is called a *lot*, try to bail out as cheaply as\n // possible when it is clear that nothing happened. hasSelection\n // will be the case when there is a lot of text in the textarea,\n // in which case reading its value would be expensive.\n if (this.contextMenuPending || this.resetting || !cm.state.focused ||\n (hasSelection(input) && !prevInput && !this.composing) ||\n cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)\n { return false }\n\n var text = input.value;\n // If nothing changed, bail.\n if (text == prevInput && !cm.somethingSelected()) { return false }\n // Work around nonsensical selection resetting in IE9/10, and\n // inexplicable appearance of private area unicode characters on\n // some key combos in Mac (#2689).\n if (ie && ie_version >= 9 && this.hasSelection === text ||\n mac && /[\\uf700-\\uf7ff]/.test(text)) {\n cm.display.input.reset();\n return false\n }\n\n if (cm.doc.sel == cm.display.selForContextMenu) {\n var first = text.charCodeAt(0);\n if (first == 0x200b && !prevInput) { prevInput = \"\\u200b\"; }\n if (first == 0x21da) { this.reset(); return this.cm.execCommand(\"undo\") }\n }\n // Find the part of the input that is actually new\n var same = 0, l = Math.min(prevInput.length, text.length);\n while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }\n\n runInOp(cm, function () {\n applyTextInput(cm, text.slice(same), prevInput.length - same,\n null, this$1.composing ? \"*compose\" : null);\n\n // Don't leave long text in the textarea, since it makes further polling slow\n if (text.length > 1000 || text.indexOf(\"\\n\") > -1) { input.value = this$1.prevInput = \"\"; }\n else { this$1.prevInput = text; }\n\n if (this$1.composing) {\n this$1.composing.range.clear();\n this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor(\"to\"),\n {className: \"CodeMirror-composing\"});\n }\n });\n return true\n };\n\n TextareaInput.prototype.ensurePolled = function () {\n if (this.pollingFast && this.poll()) { this.pollingFast = false; }\n };\n\n TextareaInput.prototype.onKeyPress = function () {\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n this.fastPoll();\n };\n\n TextareaInput.prototype.onContextMenu = function (e) {\n var input = this, cm = input.cm, display = cm.display, te = input.textarea;\n if (input.contextMenuPending) { input.contextMenuPending(); }\n var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;\n if (!pos || presto) { return } // Opera is difficult.\n\n // Reset the current text selection only if the click is done outside of the selection\n // and 'resetSelectionOnContextMenu' option is true.\n var reset = cm.options.resetSelectionOnContextMenu;\n if (reset && cm.doc.sel.contains(pos) == -1)\n { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }\n\n var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;\n var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect();\n input.wrapper.style.cssText = \"position: static\";\n te.style.cssText = \"position: absolute; width: 30px; height: 30px;\\n top: \" + (e.clientY - wrapperBox.top - 5) + \"px; left: \" + (e.clientX - wrapperBox.left - 5) + \"px;\\n z-index: 1000; background: \" + (ie ? \"rgba(255, 255, 255, .05)\" : \"transparent\") + \";\\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);\";\n var oldScrollY;\n if (webkit) { oldScrollY = te.ownerDocument.defaultView.scrollY; } // Work around Chrome issue (#2712)\n display.input.focus();\n if (webkit) { te.ownerDocument.defaultView.scrollTo(null, oldScrollY); }\n display.input.reset();\n // Adds \"Select all\" to context menu in FF\n if (!cm.somethingSelected()) { te.value = input.prevInput = \" \"; }\n input.contextMenuPending = rehide;\n display.selForContextMenu = cm.doc.sel;\n clearTimeout(display.detectingSelectAll);\n\n // Select-all will be greyed out if there's nothing to select, so\n // this adds a zero-width space so that we can later check whether\n // it got selected.\n function prepareSelectAllHack() {\n if (te.selectionStart != null) {\n var selected = cm.somethingSelected();\n var extval = \"\\u200b\" + (selected ? te.value : \"\");\n te.value = \"\\u21da\"; // Used to catch context-menu undo\n te.value = extval;\n input.prevInput = selected ? \"\" : \"\\u200b\";\n te.selectionStart = 1; te.selectionEnd = extval.length;\n // Re-set this, in case some other handler touched the\n // selection in the meantime.\n display.selForContextMenu = cm.doc.sel;\n }\n }\n function rehide() {\n if (input.contextMenuPending != rehide) { return }\n input.contextMenuPending = false;\n input.wrapper.style.cssText = oldWrapperCSS;\n te.style.cssText = oldCSS;\n if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }\n\n // Try to detect the user choosing select-all\n if (te.selectionStart != null) {\n if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }\n var i = 0, poll = function () {\n if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&\n te.selectionEnd > 0 && input.prevInput == \"\\u200b\") {\n operation(cm, selectAll)(cm);\n } else if (i++ < 10) {\n display.detectingSelectAll = setTimeout(poll, 500);\n } else {\n display.selForContextMenu = null;\n display.input.reset();\n }\n };\n display.detectingSelectAll = setTimeout(poll, 200);\n }\n }\n\n if (ie && ie_version >= 9) { prepareSelectAllHack(); }\n if (captureRightClick) {\n e_stop(e);\n var mouseup = function () {\n off(window, \"mouseup\", mouseup);\n setTimeout(rehide, 20);\n };\n on(window, \"mouseup\", mouseup);\n } else {\n setTimeout(rehide, 50);\n }\n };\n\n TextareaInput.prototype.readOnlyChanged = function (val) {\n if (!val) { this.reset(); }\n this.textarea.disabled = val == \"nocursor\";\n this.textarea.readOnly = !!val;\n };\n\n TextareaInput.prototype.setUneditable = function () {};\n\n TextareaInput.prototype.needsContentAttribute = false;\n\n function fromTextArea(textarea, options) {\n options = options ? copyObj(options) : {};\n options.value = textarea.value;\n if (!options.tabindex && textarea.tabIndex)\n { options.tabindex = textarea.tabIndex; }\n if (!options.placeholder && textarea.placeholder)\n { options.placeholder = textarea.placeholder; }\n // Set autofocus to true if this textarea is focused, or if it has\n // autofocus and no other element is focused.\n if (options.autofocus == null) {\n var hasFocus = activeElt(rootNode(textarea));\n options.autofocus = hasFocus == textarea ||\n textarea.getAttribute(\"autofocus\") != null && hasFocus == document.body;\n }\n\n function save() {textarea.value = cm.getValue();}\n\n var realSubmit;\n if (textarea.form) {\n on(textarea.form, \"submit\", save);\n // Deplorable hack to make the submit method do the right thing.\n if (!options.leaveSubmitMethodAlone) {\n var form = textarea.form;\n realSubmit = form.submit;\n try {\n var wrappedSubmit = form.submit = function () {\n save();\n form.submit = realSubmit;\n form.submit();\n form.submit = wrappedSubmit;\n };\n } catch(e) {}\n }\n }\n\n options.finishInit = function (cm) {\n cm.save = save;\n cm.getTextArea = function () { return textarea; };\n cm.toTextArea = function () {\n cm.toTextArea = isNaN; // Prevent this from being ran twice\n save();\n textarea.parentNode.removeChild(cm.getWrapperElement());\n textarea.style.display = \"\";\n if (textarea.form) {\n off(textarea.form, \"submit\", save);\n if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == \"function\")\n { textarea.form.submit = realSubmit; }\n }\n };\n };\n\n textarea.style.display = \"none\";\n var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },\n options);\n return cm\n }\n\n function addLegacyProps(CodeMirror) {\n CodeMirror.off = off;\n CodeMirror.on = on;\n CodeMirror.wheelEventPixels = wheelEventPixels;\n CodeMirror.Doc = Doc;\n CodeMirror.splitLines = splitLinesAuto;\n CodeMirror.countColumn = countColumn;\n CodeMirror.findColumn = findColumn;\n CodeMirror.isWordChar = isWordCharBasic;\n CodeMirror.Pass = Pass;\n CodeMirror.signal = signal;\n CodeMirror.Line = Line;\n CodeMirror.changeEnd = changeEnd;\n CodeMirror.scrollbarModel = scrollbarModel;\n CodeMirror.Pos = Pos;\n CodeMirror.cmpPos = cmp;\n CodeMirror.modes = modes;\n CodeMirror.mimeModes = mimeModes;\n CodeMirror.resolveMode = resolveMode;\n CodeMirror.getMode = getMode;\n CodeMirror.modeExtensions = modeExtensions;\n CodeMirror.extendMode = extendMode;\n CodeMirror.copyState = copyState;\n CodeMirror.startState = startState;\n CodeMirror.innerMode = innerMode;\n CodeMirror.commands = commands;\n CodeMirror.keyMap = keyMap;\n CodeMirror.keyName = keyName;\n CodeMirror.isModifierKey = isModifierKey;\n CodeMirror.lookupKey = lookupKey;\n CodeMirror.normalizeKeyMap = normalizeKeyMap;\n CodeMirror.StringStream = StringStream;\n CodeMirror.SharedTextMarker = SharedTextMarker;\n CodeMirror.TextMarker = TextMarker;\n CodeMirror.LineWidget = LineWidget;\n CodeMirror.e_preventDefault = e_preventDefault;\n CodeMirror.e_stopPropagation = e_stopPropagation;\n CodeMirror.e_stop = e_stop;\n CodeMirror.addClass = addClass;\n CodeMirror.contains = contains;\n CodeMirror.rmClass = rmClass;\n CodeMirror.keyNames = keyNames;\n }\n\n // EDITOR CONSTRUCTOR\n\n defineOptions(CodeMirror);\n\n addEditorMethods(CodeMirror);\n\n // Set up methods on CodeMirror's prototype to redirect to the editor's document.\n var dontDelegate = \"iter insert remove copy getEditor constructor\".split(\" \");\n for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)\n { CodeMirror.prototype[prop] = (function(method) {\n return function() {return method.apply(this.doc, arguments)}\n })(Doc.prototype[prop]); } }\n\n eventMixin(Doc);\n CodeMirror.inputStyles = {\"textarea\": TextareaInput, \"contenteditable\": ContentEditableInput};\n\n // Extra arguments are stored as the mode's dependencies, which is\n // used by (legacy) mechanisms like loadmode.js to automatically\n // load a mode. (Preferred mechanism is the require/define calls.)\n CodeMirror.defineMode = function(name/*, mode, \u2026*/) {\n if (!CodeMirror.defaults.mode && name != \"null\") { CodeMirror.defaults.mode = name; }\n defineMode.apply(this, arguments);\n };\n\n CodeMirror.defineMIME = defineMIME;\n\n // Minimal default mode.\n CodeMirror.defineMode(\"null\", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });\n CodeMirror.defineMIME(\"text/plain\", \"null\");\n\n // EXTENSIONS\n\n CodeMirror.defineExtension = function (name, func) {\n CodeMirror.prototype[name] = func;\n };\n CodeMirror.defineDocExtension = function (name, func) {\n Doc.prototype[name] = func;\n };\n\n CodeMirror.fromTextArea = fromTextArea;\n\n addLegacyProps(CodeMirror);\n\n CodeMirror.version = \"5.65.16\";\n\n return CodeMirror;\n\n})));\n", "// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/5/LICENSE\n\n(function(mod) {\n if (typeof exports == \"object\" && typeof module == \"object\") // CommonJS\n mod(require(\"../../lib/codemirror\"));\n else if (typeof define == \"function\" && define.amd) // AMD\n define([\"../../lib/codemirror\"], mod);\n else // Plain browser env\n mod(CodeMirror);\n})(function(CodeMirror) {\n\"use strict\";\n\nvar htmlConfig = {\n autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,\n 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,\n 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,\n 'track': true, 'wbr': true, 'menuitem': true},\n implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,\n 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,\n 'th': true, 'tr': true},\n contextGrabbers: {\n 'dd': {'dd': true, 'dt': true},\n 'dt': {'dd': true, 'dt': true},\n 'li': {'li': true},\n 'option': {'option': true, 'optgroup': true},\n 'optgroup': {'optgroup': true},\n 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,\n 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,\n 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,\n 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,\n 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},\n 'rp': {'rp': true, 'rt': true},\n 'rt': {'rp': true, 'rt': true},\n 'tbody': {'tbody': true, 'tfoot': true},\n 'td': {'td': true, 'th': true},\n 'tfoot': {'tbody': true},\n 'th': {'td': true, 'th': true},\n 'thead': {'tbody': true, 'tfoot': true},\n 'tr': {'tr': true}\n },\n doNotIndent: {\"pre\": true},\n allowUnquoted: true,\n allowMissing: true,\n caseFold: true\n}\n\nvar xmlConfig = {\n autoSelfClosers: {},\n implicitlyClosed: {},\n contextGrabbers: {},\n doNotIndent: {},\n allowUnquoted: false,\n allowMissing: false,\n allowMissingTagName: false,\n caseFold: false\n}\n\nCodeMirror.defineMode(\"xml\", function(editorConf, config_) {\n var indentUnit = editorConf.indentUnit\n var config = {}\n var defaults = config_.htmlMode ? htmlConfig : xmlConfig\n for (var prop in defaults) config[prop] = defaults[prop]\n for (var prop in config_) config[prop] = config_[prop]\n\n // Return variables for tokenizers\n var type, setStyle;\n\n function inText(stream, state) {\n function chain(parser) {\n state.tokenize = parser;\n return parser(stream, state);\n }\n\n var ch = stream.next();\n if (ch == \"<\") {\n if (stream.eat(\"!\")) {\n if (stream.eat(\"[\")) {\n if (stream.match(\"CDATA[\")) return chain(inBlock(\"atom\", \"]]>\"));\n else return null;\n } else if (stream.match(\"--\")) {\n return chain(inBlock(\"comment\", \"-->\"));\n } else if (stream.match(\"DOCTYPE\", true, true)) {\n stream.eatWhile(/[\\w\\._\\-]/);\n return chain(doctype(1));\n } else {\n return null;\n }\n } else if (stream.eat(\"?\")) {\n stream.eatWhile(/[\\w\\._\\-]/);\n state.tokenize = inBlock(\"meta\", \"?>\");\n return \"meta\";\n } else {\n type = stream.eat(\"/\") ? \"closeTag\" : \"openTag\";\n state.tokenize = inTag;\n return \"tag bracket\";\n }\n } else if (ch == \"&\") {\n var ok;\n if (stream.eat(\"#\")) {\n if (stream.eat(\"x\")) {\n ok = stream.eatWhile(/[a-fA-F\\d]/) && stream.eat(\";\");\n } else {\n ok = stream.eatWhile(/[\\d]/) && stream.eat(\";\");\n }\n } else {\n ok = stream.eatWhile(/[\\w\\.\\-:]/) && stream.eat(\";\");\n }\n return ok ? \"atom\" : \"error\";\n } else {\n stream.eatWhile(/[^&<]/);\n return null;\n }\n }\n inText.isInText = true;\n\n function inTag(stream, state) {\n var ch = stream.next();\n if (ch == \">\" || (ch == \"/\" && stream.eat(\">\"))) {\n state.tokenize = inText;\n type = ch == \">\" ? \"endTag\" : \"selfcloseTag\";\n return \"tag bracket\";\n } else if (ch == \"=\") {\n type = \"equals\";\n return null;\n } else if (ch == \"<\") {\n state.tokenize = inText;\n state.state = baseState;\n state.tagName = state.tagStart = null;\n var next = state.tokenize(stream, state);\n return next ? next + \" tag error\" : \"tag error\";\n } else if (/[\\'\\\"]/.test(ch)) {\n state.tokenize = inAttribute(ch);\n state.stringStartCol = stream.column();\n return state.tokenize(stream, state);\n } else {\n stream.match(/^[^\\s\\u00a0=<>\\\"\\']*[^\\s\\u00a0=<>\\\"\\'\\/]/);\n return \"word\";\n }\n }\n\n function inAttribute(quote) {\n var closure = function(stream, state) {\n while (!stream.eol()) {\n if (stream.next() == quote) {\n state.tokenize = inTag;\n break;\n }\n }\n return \"string\";\n };\n closure.isInAttribute = true;\n return closure;\n }\n\n function inBlock(style, terminator) {\n return function(stream, state) {\n while (!stream.eol()) {\n if (stream.match(terminator)) {\n state.tokenize = inText;\n break;\n }\n stream.next();\n }\n return style;\n }\n }\n\n function doctype(depth) {\n return function(stream, state) {\n var ch;\n while ((ch = stream.next()) != null) {\n if (ch == \"<\") {\n state.tokenize = doctype(depth + 1);\n return state.tokenize(stream, state);\n } else if (ch == \">\") {\n if (depth == 1) {\n state.tokenize = inText;\n break;\n } else {\n state.tokenize = doctype(depth - 1);\n return state.tokenize(stream, state);\n }\n }\n }\n return \"meta\";\n };\n }\n\n function lower(tagName) {\n return tagName && tagName.toLowerCase();\n }\n\n function Context(state, tagName, startOfLine) {\n this.prev = state.context;\n this.tagName = tagName || \"\";\n this.indent = state.indented;\n this.startOfLine = startOfLine;\n if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))\n this.noIndent = true;\n }\n function popContext(state) {\n if (state.context) state.context = state.context.prev;\n }\n function maybePopContext(state, nextTagName) {\n var parentTagName;\n while (true) {\n if (!state.context) {\n return;\n }\n parentTagName = state.context.tagName;\n if (!config.contextGrabbers.hasOwnProperty(lower(parentTagName)) ||\n !config.contextGrabbers[lower(parentTagName)].hasOwnProperty(lower(nextTagName))) {\n return;\n }\n popContext(state);\n }\n }\n\n function baseState(type, stream, state) {\n if (type == \"openTag\") {\n state.tagStart = stream.column();\n return tagNameState;\n } else if (type == \"closeTag\") {\n return closeTagNameState;\n } else {\n return baseState;\n }\n }\n function tagNameState(type, stream, state) {\n if (type == \"word\") {\n state.tagName = stream.current();\n setStyle = \"tag\";\n return attrState;\n } else if (config.allowMissingTagName && type == \"endTag\") {\n setStyle = \"tag bracket\";\n return attrState(type, stream, state);\n } else {\n setStyle = \"error\";\n return tagNameState;\n }\n }\n function closeTagNameState(type, stream, state) {\n if (type == \"word\") {\n var tagName = stream.current();\n if (state.context && state.context.tagName != tagName &&\n config.implicitlyClosed.hasOwnProperty(lower(state.context.tagName)))\n popContext(state);\n if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {\n setStyle = \"tag\";\n return closeState;\n } else {\n setStyle = \"tag error\";\n return closeStateErr;\n }\n } else if (config.allowMissingTagName && type == \"endTag\") {\n setStyle = \"tag bracket\";\n return closeState(type, stream, state);\n } else {\n setStyle = \"error\";\n return closeStateErr;\n }\n }\n\n function closeState(type, _stream, state) {\n if (type != \"endTag\") {\n setStyle = \"error\";\n return closeState;\n }\n popContext(state);\n return baseState;\n }\n function closeStateErr(type, stream, state) {\n setStyle = \"error\";\n return closeState(type, stream, state);\n }\n\n function attrState(type, _stream, state) {\n if (type == \"word\") {\n setStyle = \"attribute\";\n return attrEqState;\n } else if (type == \"endTag\" || type == \"selfcloseTag\") {\n var tagName = state.tagName, tagStart = state.tagStart;\n state.tagName = state.tagStart = null;\n if (type == \"selfcloseTag\" ||\n config.autoSelfClosers.hasOwnProperty(lower(tagName))) {\n maybePopContext(state, tagName);\n } else {\n maybePopContext(state, tagName);\n state.context = new Context(state, tagName, tagStart == state.indented);\n }\n return baseState;\n }\n setStyle = \"error\";\n return attrState;\n }\n function attrEqState(type, stream, state) {\n if (type == \"equals\") return attrValueState;\n if (!config.allowMissing) setStyle = \"error\";\n return attrState(type, stream, state);\n }\n function attrValueState(type, stream, state) {\n if (type == \"string\") return attrContinuedState;\n if (type == \"word\" && config.allowUnquoted) {setStyle = \"string\"; return attrState;}\n setStyle = \"error\";\n return attrState(type, stream, state);\n }\n function attrContinuedState(type, stream, state) {\n if (type == \"string\") return attrContinuedState;\n return attrState(type, stream, state);\n }\n\n return {\n startState: function(baseIndent) {\n var state = {tokenize: inText,\n state: baseState,\n indented: baseIndent || 0,\n tagName: null, tagStart: null,\n context: null}\n if (baseIndent != null) state.baseIndent = baseIndent\n return state\n },\n\n token: function(stream, state) {\n if (!state.tagName && stream.sol())\n state.indented = stream.indentation();\n\n if (stream.eatSpace()) return null;\n type = null;\n var style = state.tokenize(stream, state);\n if ((style || type) && style != \"comment\") {\n setStyle = null;\n state.state = state.state(type || style, stream, state);\n if (setStyle)\n style = setStyle == \"error\" ? style + \" error\" : setStyle;\n }\n return style;\n },\n\n indent: function(state, textAfter, fullLine) {\n var context = state.context;\n // Indent multi-line strings (e.g. css).\n if (state.tokenize.isInAttribute) {\n if (state.tagStart == state.indented)\n return state.stringStartCol + 1;\n else\n return state.indented + indentUnit;\n }\n if (context && context.noIndent) return CodeMirror.Pass;\n if (state.tokenize != inTag && state.tokenize != inText)\n return fullLine ? fullLine.match(/^(\\s*)/)[0].length : 0;\n // Indent the starts of attribute names.\n if (state.tagName) {\n if (config.multilineTagIndentPastTag !== false)\n return state.tagStart + state.tagName.length + 2;\n else\n return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);\n }\n if (config.alignCDATA && /$/,\n blockCommentStart: \"\",\n\n configuration: config.htmlMode ? \"html\" : \"xml\",\n helperType: config.htmlMode ? \"html\" : \"xml\",\n\n skipAttribute: function(state) {\n if (state.state == attrValueState)\n state.state = attrState\n },\n\n xmlCurrentTag: function(state) {\n return state.tagName ? {name: state.tagName, close: state.type == \"closeTag\"} : null\n },\n\n xmlCurrentContext: function(state) {\n var context = []\n for (var cx = state.context; cx; cx = cx.prev)\n context.push(cx.tagName)\n return context.reverse()\n }\n };\n});\n\nCodeMirror.defineMIME(\"text/xml\", \"xml\");\nCodeMirror.defineMIME(\"application/xml\", \"xml\");\nif (!CodeMirror.mimeModes.hasOwnProperty(\"text/html\"))\n CodeMirror.defineMIME(\"text/html\", {name: \"xml\", htmlMode: true});\n\n});\n", "// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/5/LICENSE\n\n(function(mod) {\n if (typeof exports == \"object\" && typeof module == \"object\") // CommonJS\n mod(require(\"../../lib/codemirror\"));\n else if (typeof define == \"function\" && define.amd) // AMD\n define([\"../../lib/codemirror\"], mod);\n else // Plain browser env\n mod(CodeMirror);\n})(function(CodeMirror) {\n\"use strict\";\n\nCodeMirror.defineMode(\"javascript\", function(config, parserConfig) {\n var indentUnit = config.indentUnit;\n var statementIndent = parserConfig.statementIndent;\n var jsonldMode = parserConfig.jsonld;\n var jsonMode = parserConfig.json || jsonldMode;\n var trackScope = parserConfig.trackScope !== false\n var isTS = parserConfig.typescript;\n var wordRE = parserConfig.wordCharacters || /[\\w$\\xa1-\\uffff]/;\n\n // Tokenizer\n\n var keywords = function(){\n function kw(type) {return {type: type, style: \"keyword\"};}\n var A = kw(\"keyword a\"), B = kw(\"keyword b\"), C = kw(\"keyword c\"), D = kw(\"keyword d\");\n var operator = kw(\"operator\"), atom = {type: \"atom\", style: \"atom\"};\n\n return {\n \"if\": kw(\"if\"), \"while\": A, \"with\": A, \"else\": B, \"do\": B, \"try\": B, \"finally\": B,\n \"return\": D, \"break\": D, \"continue\": D, \"new\": kw(\"new\"), \"delete\": C, \"void\": C, \"throw\": C,\n \"debugger\": kw(\"debugger\"), \"var\": kw(\"var\"), \"const\": kw(\"var\"), \"let\": kw(\"var\"),\n \"function\": kw(\"function\"), \"catch\": kw(\"catch\"),\n \"for\": kw(\"for\"), \"switch\": kw(\"switch\"), \"case\": kw(\"case\"), \"default\": kw(\"default\"),\n \"in\": operator, \"typeof\": operator, \"instanceof\": operator,\n \"true\": atom, \"false\": atom, \"null\": atom, \"undefined\": atom, \"NaN\": atom, \"Infinity\": atom,\n \"this\": kw(\"this\"), \"class\": kw(\"class\"), \"super\": kw(\"atom\"),\n \"yield\": C, \"export\": kw(\"export\"), \"import\": kw(\"import\"), \"extends\": C,\n \"await\": C\n };\n }();\n\n var isOperatorChar = /[+\\-*&%=<>!?|~^@]/;\n var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)\"/;\n\n function readRegexp(stream) {\n var escaped = false, next, inSet = false;\n while ((next = stream.next()) != null) {\n if (!escaped) {\n if (next == \"/\" && !inSet) return;\n if (next == \"[\") inSet = true;\n else if (inSet && next == \"]\") inSet = false;\n }\n escaped = !escaped && next == \"\\\\\";\n }\n }\n\n // Used as scratch variables to communicate multiple values without\n // consing up tons of objects.\n var type, content;\n function ret(tp, style, cont) {\n type = tp; content = cont;\n return style;\n }\n function tokenBase(stream, state) {\n var ch = stream.next();\n if (ch == '\"' || ch == \"'\") {\n state.tokenize = tokenString(ch);\n return state.tokenize(stream, state);\n } else if (ch == \".\" && stream.match(/^\\d[\\d_]*(?:[eE][+\\-]?[\\d_]+)?/)) {\n return ret(\"number\", \"number\");\n } else if (ch == \".\" && stream.match(\"..\")) {\n return ret(\"spread\", \"meta\");\n } else if (/[\\[\\]{}\\(\\),;\\:\\.]/.test(ch)) {\n return ret(ch);\n } else if (ch == \"=\" && stream.eat(\">\")) {\n return ret(\"=>\", \"operator\");\n } else if (ch == \"0\" && stream.match(/^(?:x[\\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) {\n return ret(\"number\", \"number\");\n } else if (/\\d/.test(ch)) {\n stream.match(/^[\\d_]*(?:n|(?:\\.[\\d_]*)?(?:[eE][+\\-]?[\\d_]+)?)?/);\n return ret(\"number\", \"number\");\n } else if (ch == \"/\") {\n if (stream.eat(\"*\")) {\n state.tokenize = tokenComment;\n return tokenComment(stream, state);\n } else if (stream.eat(\"/\")) {\n stream.skipToEnd();\n return ret(\"comment\", \"comment\");\n } else if (expressionAllowed(stream, state, 1)) {\n readRegexp(stream);\n stream.match(/^\\b(([gimyus])(?![gimyus]*\\2))+\\b/);\n return ret(\"regexp\", \"string-2\");\n } else {\n stream.eat(\"=\");\n return ret(\"operator\", \"operator\", stream.current());\n }\n } else if (ch == \"`\") {\n state.tokenize = tokenQuasi;\n return tokenQuasi(stream, state);\n } else if (ch == \"#\" && stream.peek() == \"!\") {\n stream.skipToEnd();\n return ret(\"meta\", \"meta\");\n } else if (ch == \"#\" && stream.eatWhile(wordRE)) {\n return ret(\"variable\", \"property\")\n } else if (ch == \"<\" && stream.match(\"!--\") ||\n (ch == \"-\" && stream.match(\"->\") && !/\\S/.test(stream.string.slice(0, stream.start)))) {\n stream.skipToEnd()\n return ret(\"comment\", \"comment\")\n } else if (isOperatorChar.test(ch)) {\n if (ch != \">\" || !state.lexical || state.lexical.type != \">\") {\n if (stream.eat(\"=\")) {\n if (ch == \"!\" || ch == \"=\") stream.eat(\"=\")\n } else if (/[<>*+\\-|&?]/.test(ch)) {\n stream.eat(ch)\n if (ch == \">\") stream.eat(ch)\n }\n }\n if (ch == \"?\" && stream.eat(\".\")) return ret(\".\")\n return ret(\"operator\", \"operator\", stream.current());\n } else if (wordRE.test(ch)) {\n stream.eatWhile(wordRE);\n var word = stream.current()\n if (state.lastType != \".\") {\n if (keywords.propertyIsEnumerable(word)) {\n var kw = keywords[word]\n return ret(kw.type, kw.style, word)\n }\n if (word == \"async\" && stream.match(/^(\\s|\\/\\*([^*]|\\*(?!\\/))*?\\*\\/)*[\\[\\(\\w]/, false))\n return ret(\"async\", \"keyword\", word)\n }\n return ret(\"variable\", \"variable\", word)\n }\n }\n\n function tokenString(quote) {\n return function(stream, state) {\n var escaped = false, next;\n if (jsonldMode && stream.peek() == \"@\" && stream.match(isJsonldKeyword)){\n state.tokenize = tokenBase;\n return ret(\"jsonld-keyword\", \"meta\");\n }\n while ((next = stream.next()) != null) {\n if (next == quote && !escaped) break;\n escaped = !escaped && next == \"\\\\\";\n }\n if (!escaped) state.tokenize = tokenBase;\n return ret(\"string\", \"string\");\n };\n }\n\n function tokenComment(stream, state) {\n var maybeEnd = false, ch;\n while (ch = stream.next()) {\n if (ch == \"/\" && maybeEnd) {\n state.tokenize = tokenBase;\n break;\n }\n maybeEnd = (ch == \"*\");\n }\n return ret(\"comment\", \"comment\");\n }\n\n function tokenQuasi(stream, state) {\n var escaped = false, next;\n while ((next = stream.next()) != null) {\n if (!escaped && (next == \"`\" || next == \"$\" && stream.eat(\"{\"))) {\n state.tokenize = tokenBase;\n break;\n }\n escaped = !escaped && next == \"\\\\\";\n }\n return ret(\"quasi\", \"string-2\", stream.current());\n }\n\n var brackets = \"([{}])\";\n // This is a crude lookahead trick to try and notice that we're\n // parsing the argument patterns for a fat-arrow function before we\n // actually hit the arrow token. It only works if the arrow is on\n // the same line as the arguments and there's no strange noise\n // (comments) in between. Fallback is to only notice when we hit the\n // arrow, and not declare the arguments as locals for the arrow\n // body.\n function findFatArrow(stream, state) {\n if (state.fatArrowAt) state.fatArrowAt = null;\n var arrow = stream.string.indexOf(\"=>\", stream.start);\n if (arrow < 0) return;\n\n if (isTS) { // Try to skip TypeScript return type declarations after the arguments\n var m = /:\\s*(?:\\w+(?:<[^>]*>|\\[\\])?|\\{[^}]*\\})\\s*$/.exec(stream.string.slice(stream.start, arrow))\n if (m) arrow = m.index\n }\n\n var depth = 0, sawSomething = false;\n for (var pos = arrow - 1; pos >= 0; --pos) {\n var ch = stream.string.charAt(pos);\n var bracket = brackets.indexOf(ch);\n if (bracket >= 0 && bracket < 3) {\n if (!depth) { ++pos; break; }\n if (--depth == 0) { if (ch == \"(\") sawSomething = true; break; }\n } else if (bracket >= 3 && bracket < 6) {\n ++depth;\n } else if (wordRE.test(ch)) {\n sawSomething = true;\n } else if (/[\"'\\/`]/.test(ch)) {\n for (;; --pos) {\n if (pos == 0) return\n var next = stream.string.charAt(pos - 1)\n if (next == ch && stream.string.charAt(pos - 2) != \"\\\\\") { pos--; break }\n }\n } else if (sawSomething && !depth) {\n ++pos;\n break;\n }\n }\n if (sawSomething && !depth) state.fatArrowAt = pos;\n }\n\n // Parser\n\n var atomicTypes = {\"atom\": true, \"number\": true, \"variable\": true, \"string\": true,\n \"regexp\": true, \"this\": true, \"import\": true, \"jsonld-keyword\": true};\n\n function JSLexical(indented, column, type, align, prev, info) {\n this.indented = indented;\n this.column = column;\n this.type = type;\n this.prev = prev;\n this.info = info;\n if (align != null) this.align = align;\n }\n\n function inScope(state, varname) {\n if (!trackScope) return false\n for (var v = state.localVars; v; v = v.next)\n if (v.name == varname) return true;\n for (var cx = state.context; cx; cx = cx.prev) {\n for (var v = cx.vars; v; v = v.next)\n if (v.name == varname) return true;\n }\n }\n\n function parseJS(state, style, type, content, stream) {\n var cc = state.cc;\n // Communicate our context to the combinators.\n // (Less wasteful than consing up a hundred closures on every call.)\n cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;\n\n if (!state.lexical.hasOwnProperty(\"align\"))\n state.lexical.align = true;\n\n while(true) {\n var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;\n if (combinator(type, content)) {\n while(cc.length && cc[cc.length - 1].lex)\n cc.pop()();\n if (cx.marked) return cx.marked;\n if (type == \"variable\" && inScope(state, content)) return \"variable-2\";\n return style;\n }\n }\n }\n\n // Combinator utils\n\n var cx = {state: null, column: null, marked: null, cc: null};\n function pass() {\n for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);\n }\n function cont() {\n pass.apply(null, arguments);\n return true;\n }\n function inList(name, list) {\n for (var v = list; v; v = v.next) if (v.name == name) return true\n return false;\n }\n function register(varname) {\n var state = cx.state;\n cx.marked = \"def\";\n if (!trackScope) return\n if (state.context) {\n if (state.lexical.info == \"var\" && state.context && state.context.block) {\n // FIXME function decls are also not block scoped\n var newContext = registerVarScoped(varname, state.context)\n if (newContext != null) {\n state.context = newContext\n return\n }\n } else if (!inList(varname, state.localVars)) {\n state.localVars = new Var(varname, state.localVars)\n return\n }\n }\n // Fall through means this is global\n if (parserConfig.globalVars && !inList(varname, state.globalVars))\n state.globalVars = new Var(varname, state.globalVars)\n }\n function registerVarScoped(varname, context) {\n if (!context) {\n return null\n } else if (context.block) {\n var inner = registerVarScoped(varname, context.prev)\n if (!inner) return null\n if (inner == context.prev) return context\n return new Context(inner, context.vars, true)\n } else if (inList(varname, context.vars)) {\n return context\n } else {\n return new Context(context.prev, new Var(varname, context.vars), false)\n }\n }\n\n function isModifier(name) {\n return name == \"public\" || name == \"private\" || name == \"protected\" || name == \"abstract\" || name == \"readonly\"\n }\n\n // Combinators\n\n function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block }\n function Var(name, next) { this.name = name; this.next = next }\n\n var defaultVars = new Var(\"this\", new Var(\"arguments\", null))\n function pushcontext() {\n cx.state.context = new Context(cx.state.context, cx.state.localVars, false)\n cx.state.localVars = defaultVars\n }\n function pushblockcontext() {\n cx.state.context = new Context(cx.state.context, cx.state.localVars, true)\n cx.state.localVars = null\n }\n pushcontext.lex = pushblockcontext.lex = true\n function popcontext() {\n cx.state.localVars = cx.state.context.vars\n cx.state.context = cx.state.context.prev\n }\n popcontext.lex = true\n function pushlex(type, info) {\n var result = function() {\n var state = cx.state, indent = state.indented;\n if (state.lexical.type == \"stat\") indent = state.lexical.indented;\n else for (var outer = state.lexical; outer && outer.type == \")\" && outer.align; outer = outer.prev)\n indent = outer.indented;\n state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);\n };\n result.lex = true;\n return result;\n }\n function poplex() {\n var state = cx.state;\n if (state.lexical.prev) {\n if (state.lexical.type == \")\")\n state.indented = state.lexical.indented;\n state.lexical = state.lexical.prev;\n }\n }\n poplex.lex = true;\n\n function expect(wanted) {\n function exp(type) {\n if (type == wanted) return cont();\n else if (wanted == \";\" || type == \"}\" || type == \")\" || type == \"]\") return pass();\n else return cont(exp);\n };\n return exp;\n }\n\n function statement(type, value) {\n if (type == \"var\") return cont(pushlex(\"vardef\", value), vardef, expect(\";\"), poplex);\n if (type == \"keyword a\") return cont(pushlex(\"form\"), parenExpr, statement, poplex);\n if (type == \"keyword b\") return cont(pushlex(\"form\"), statement, poplex);\n if (type == \"keyword d\") return cx.stream.match(/^\\s*$/, false) ? cont() : cont(pushlex(\"stat\"), maybeexpression, expect(\";\"), poplex);\n if (type == \"debugger\") return cont(expect(\";\"));\n if (type == \"{\") return cont(pushlex(\"}\"), pushblockcontext, block, poplex, popcontext);\n if (type == \";\") return cont();\n if (type == \"if\") {\n if (cx.state.lexical.info == \"else\" && cx.state.cc[cx.state.cc.length - 1] == poplex)\n cx.state.cc.pop()();\n return cont(pushlex(\"form\"), parenExpr, statement, poplex, maybeelse);\n }\n if (type == \"function\") return cont(functiondef);\n if (type == \"for\") return cont(pushlex(\"form\"), pushblockcontext, forspec, statement, popcontext, poplex);\n if (type == \"class\" || (isTS && value == \"interface\")) {\n cx.marked = \"keyword\"\n return cont(pushlex(\"form\", type == \"class\" ? type : value), className, poplex)\n }\n if (type == \"variable\") {\n if (isTS && value == \"declare\") {\n cx.marked = \"keyword\"\n return cont(statement)\n } else if (isTS && (value == \"module\" || value == \"enum\" || value == \"type\") && cx.stream.match(/^\\s*\\w/, false)) {\n cx.marked = \"keyword\"\n if (value == \"enum\") return cont(enumdef);\n else if (value == \"type\") return cont(typename, expect(\"operator\"), typeexpr, expect(\";\"));\n else return cont(pushlex(\"form\"), pattern, expect(\"{\"), pushlex(\"}\"), block, poplex, poplex)\n } else if (isTS && value == \"namespace\") {\n cx.marked = \"keyword\"\n return cont(pushlex(\"form\"), expression, statement, poplex)\n } else if (isTS && value == \"abstract\") {\n cx.marked = \"keyword\"\n return cont(statement)\n } else {\n return cont(pushlex(\"stat\"), maybelabel);\n }\n }\n if (type == \"switch\") return cont(pushlex(\"form\"), parenExpr, expect(\"{\"), pushlex(\"}\", \"switch\"), pushblockcontext,\n block, poplex, poplex, popcontext);\n if (type == \"case\") return cont(expression, expect(\":\"));\n if (type == \"default\") return cont(expect(\":\"));\n if (type == \"catch\") return cont(pushlex(\"form\"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);\n if (type == \"export\") return cont(pushlex(\"stat\"), afterExport, poplex);\n if (type == \"import\") return cont(pushlex(\"stat\"), afterImport, poplex);\n if (type == \"async\") return cont(statement)\n if (value == \"@\") return cont(expression, statement)\n return pass(pushlex(\"stat\"), expression, expect(\";\"), poplex);\n }\n function maybeCatchBinding(type) {\n if (type == \"(\") return cont(funarg, expect(\")\"))\n }\n function expression(type, value) {\n return expressionInner(type, value, false);\n }\n function expressionNoComma(type, value) {\n return expressionInner(type, value, true);\n }\n function parenExpr(type) {\n if (type != \"(\") return pass()\n return cont(pushlex(\")\"), maybeexpression, expect(\")\"), poplex)\n }\n function expressionInner(type, value, noComma) {\n if (cx.state.fatArrowAt == cx.stream.start) {\n var body = noComma ? arrowBodyNoComma : arrowBody;\n if (type == \"(\") return cont(pushcontext, pushlex(\")\"), commasep(funarg, \")\"), poplex, expect(\"=>\"), body, popcontext);\n else if (type == \"variable\") return pass(pushcontext, pattern, expect(\"=>\"), body, popcontext);\n }\n\n var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;\n if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);\n if (type == \"function\") return cont(functiondef, maybeop);\n if (type == \"class\" || (isTS && value == \"interface\")) { cx.marked = \"keyword\"; return cont(pushlex(\"form\"), classExpression, poplex); }\n if (type == \"keyword c\" || type == \"async\") return cont(noComma ? expressionNoComma : expression);\n if (type == \"(\") return cont(pushlex(\")\"), maybeexpression, expect(\")\"), poplex, maybeop);\n if (type == \"operator\" || type == \"spread\") return cont(noComma ? expressionNoComma : expression);\n if (type == \"[\") return cont(pushlex(\"]\"), arrayLiteral, poplex, maybeop);\n if (type == \"{\") return contCommasep(objprop, \"}\", null, maybeop);\n if (type == \"quasi\") return pass(quasi, maybeop);\n if (type == \"new\") return cont(maybeTarget(noComma));\n return cont();\n }\n function maybeexpression(type) {\n if (type.match(/[;\\}\\)\\],]/)) return pass();\n return pass(expression);\n }\n\n function maybeoperatorComma(type, value) {\n if (type == \",\") return cont(maybeexpression);\n return maybeoperatorNoComma(type, value, false);\n }\n function maybeoperatorNoComma(type, value, noComma) {\n var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;\n var expr = noComma == false ? expression : expressionNoComma;\n if (type == \"=>\") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);\n if (type == \"operator\") {\n if (/\\+\\+|--/.test(value) || isTS && value == \"!\") return cont(me);\n if (isTS && value == \"<\" && cx.stream.match(/^([^<>]|<[^<>]*>)*>\\s*\\(/, false))\n return cont(pushlex(\">\"), commasep(typeexpr, \">\"), poplex, me);\n if (value == \"?\") return cont(expression, expect(\":\"), expr);\n return cont(expr);\n }\n if (type == \"quasi\") { return pass(quasi, me); }\n if (type == \";\") return;\n if (type == \"(\") return contCommasep(expressionNoComma, \")\", \"call\", me);\n if (type == \".\") return cont(property, me);\n if (type == \"[\") return cont(pushlex(\"]\"), maybeexpression, expect(\"]\"), poplex, me);\n if (isTS && value == \"as\") { cx.marked = \"keyword\"; return cont(typeexpr, me) }\n if (type == \"regexp\") {\n cx.state.lastType = cx.marked = \"operator\"\n cx.stream.backUp(cx.stream.pos - cx.stream.start - 1)\n return cont(expr)\n }\n }\n function quasi(type, value) {\n if (type != \"quasi\") return pass();\n if (value.slice(value.length - 2) != \"${\") return cont(quasi);\n return cont(maybeexpression, continueQuasi);\n }\n function continueQuasi(type) {\n if (type == \"}\") {\n cx.marked = \"string-2\";\n cx.state.tokenize = tokenQuasi;\n return cont(quasi);\n }\n }\n function arrowBody(type) {\n findFatArrow(cx.stream, cx.state);\n return pass(type == \"{\" ? statement : expression);\n }\n function arrowBodyNoComma(type) {\n findFatArrow(cx.stream, cx.state);\n return pass(type == \"{\" ? statement : expressionNoComma);\n }\n function maybeTarget(noComma) {\n return function(type) {\n if (type == \".\") return cont(noComma ? targetNoComma : target);\n else if (type == \"variable\" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)\n else return pass(noComma ? expressionNoComma : expression);\n };\n }\n function target(_, value) {\n if (value == \"target\") { cx.marked = \"keyword\"; return cont(maybeoperatorComma); }\n }\n function targetNoComma(_, value) {\n if (value == \"target\") { cx.marked = \"keyword\"; return cont(maybeoperatorNoComma); }\n }\n function maybelabel(type) {\n if (type == \":\") return cont(poplex, statement);\n return pass(maybeoperatorComma, expect(\";\"), poplex);\n }\n function property(type) {\n if (type == \"variable\") {cx.marked = \"property\"; return cont();}\n }\n function objprop(type, value) {\n if (type == \"async\") {\n cx.marked = \"property\";\n return cont(objprop);\n } else if (type == \"variable\" || cx.style == \"keyword\") {\n cx.marked = \"property\";\n if (value == \"get\" || value == \"set\") return cont(getterSetter);\n var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params\n if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\\s*:\\s*/, false)))\n cx.state.fatArrowAt = cx.stream.pos + m[0].length\n return cont(afterprop);\n } else if (type == \"number\" || type == \"string\") {\n cx.marked = jsonldMode ? \"property\" : (cx.style + \" property\");\n return cont(afterprop);\n } else if (type == \"jsonld-keyword\") {\n return cont(afterprop);\n } else if (isTS && isModifier(value)) {\n cx.marked = \"keyword\"\n return cont(objprop)\n } else if (type == \"[\") {\n return cont(expression, maybetype, expect(\"]\"), afterprop);\n } else if (type == \"spread\") {\n return cont(expressionNoComma, afterprop);\n } else if (value == \"*\") {\n cx.marked = \"keyword\";\n return cont(objprop);\n } else if (type == \":\") {\n return pass(afterprop)\n }\n }\n function getterSetter(type) {\n if (type != \"variable\") return pass(afterprop);\n cx.marked = \"property\";\n return cont(functiondef);\n }\n function afterprop(type) {\n if (type == \":\") return cont(expressionNoComma);\n if (type == \"(\") return pass(functiondef);\n }\n function commasep(what, end, sep) {\n function proceed(type, value) {\n if (sep ? sep.indexOf(type) > -1 : type == \",\") {\n var lex = cx.state.lexical;\n if (lex.info == \"call\") lex.pos = (lex.pos || 0) + 1;\n return cont(function(type, value) {\n if (type == end || value == end) return pass()\n return pass(what)\n }, proceed);\n }\n if (type == end || value == end) return cont();\n if (sep && sep.indexOf(\";\") > -1) return pass(what)\n return cont(expect(end));\n }\n return function(type, value) {\n if (type == end || value == end) return cont();\n return pass(what, proceed);\n };\n }\n function contCommasep(what, end, info) {\n for (var i = 3; i < arguments.length; i++)\n cx.cc.push(arguments[i]);\n return cont(pushlex(end, info), commasep(what, end), poplex);\n }\n function block(type) {\n if (type == \"}\") return cont();\n return pass(statement, block);\n }\n function maybetype(type, value) {\n if (isTS) {\n if (type == \":\") return cont(typeexpr);\n if (value == \"?\") return cont(maybetype);\n }\n }\n function maybetypeOrIn(type, value) {\n if (isTS && (type == \":\" || value == \"in\")) return cont(typeexpr)\n }\n function mayberettype(type) {\n if (isTS && type == \":\") {\n if (cx.stream.match(/^\\s*\\w+\\s+is\\b/, false)) return cont(expression, isKW, typeexpr)\n else return cont(typeexpr)\n }\n }\n function isKW(_, value) {\n if (value == \"is\") {\n cx.marked = \"keyword\"\n return cont()\n }\n }\n function typeexpr(type, value) {\n if (value == \"keyof\" || value == \"typeof\" || value == \"infer\" || value == \"readonly\") {\n cx.marked = \"keyword\"\n return cont(value == \"typeof\" ? expressionNoComma : typeexpr)\n }\n if (type == \"variable\" || value == \"void\") {\n cx.marked = \"type\"\n return cont(afterType)\n }\n if (value == \"|\" || value == \"&\") return cont(typeexpr)\n if (type == \"string\" || type == \"number\" || type == \"atom\") return cont(afterType);\n if (type == \"[\") return cont(pushlex(\"]\"), commasep(typeexpr, \"]\", \",\"), poplex, afterType)\n if (type == \"{\") return cont(pushlex(\"}\"), typeprops, poplex, afterType)\n if (type == \"(\") return cont(commasep(typearg, \")\"), maybeReturnType, afterType)\n if (type == \"<\") return cont(commasep(typeexpr, \">\"), typeexpr)\n if (type == \"quasi\") { return pass(quasiType, afterType); }\n }\n function maybeReturnType(type) {\n if (type == \"=>\") return cont(typeexpr)\n }\n function typeprops(type) {\n if (type.match(/[\\}\\)\\]]/)) return cont()\n if (type == \",\" || type == \";\") return cont(typeprops)\n return pass(typeprop, typeprops)\n }\n function typeprop(type, value) {\n if (type == \"variable\" || cx.style == \"keyword\") {\n cx.marked = \"property\"\n return cont(typeprop)\n } else if (value == \"?\" || type == \"number\" || type == \"string\") {\n return cont(typeprop)\n } else if (type == \":\") {\n return cont(typeexpr)\n } else if (type == \"[\") {\n return cont(expect(\"variable\"), maybetypeOrIn, expect(\"]\"), typeprop)\n } else if (type == \"(\") {\n return pass(functiondecl, typeprop)\n } else if (!type.match(/[;\\}\\)\\],]/)) {\n return cont()\n }\n }\n function quasiType(type, value) {\n if (type != \"quasi\") return pass();\n if (value.slice(value.length - 2) != \"${\") return cont(quasiType);\n return cont(typeexpr, continueQuasiType);\n }\n function continueQuasiType(type) {\n if (type == \"}\") {\n cx.marked = \"string-2\";\n cx.state.tokenize = tokenQuasi;\n return cont(quasiType);\n }\n }\n function typearg(type, value) {\n if (type == \"variable\" && cx.stream.match(/^\\s*[?:]/, false) || value == \"?\") return cont(typearg)\n if (type == \":\") return cont(typeexpr)\n if (type == \"spread\") return cont(typearg)\n return pass(typeexpr)\n }\n function afterType(type, value) {\n if (value == \"<\") return cont(pushlex(\">\"), commasep(typeexpr, \">\"), poplex, afterType)\n if (value == \"|\" || type == \".\" || value == \"&\") return cont(typeexpr)\n if (type == \"[\") return cont(typeexpr, expect(\"]\"), afterType)\n if (value == \"extends\" || value == \"implements\") { cx.marked = \"keyword\"; return cont(typeexpr) }\n if (value == \"?\") return cont(typeexpr, expect(\":\"), typeexpr)\n }\n function maybeTypeArgs(_, value) {\n if (value == \"<\") return cont(pushlex(\">\"), commasep(typeexpr, \">\"), poplex, afterType)\n }\n function typeparam() {\n return pass(typeexpr, maybeTypeDefault)\n }\n function maybeTypeDefault(_, value) {\n if (value == \"=\") return cont(typeexpr)\n }\n function vardef(_, value) {\n if (value == \"enum\") {cx.marked = \"keyword\"; return cont(enumdef)}\n return pass(pattern, maybetype, maybeAssign, vardefCont);\n }\n function pattern(type, value) {\n if (isTS && isModifier(value)) { cx.marked = \"keyword\"; return cont(pattern) }\n if (type == \"variable\") { register(value); return cont(); }\n if (type == \"spread\") return cont(pattern);\n if (type == \"[\") return contCommasep(eltpattern, \"]\");\n if (type == \"{\") return contCommasep(proppattern, \"}\");\n }\n function proppattern(type, value) {\n if (type == \"variable\" && !cx.stream.match(/^\\s*:/, false)) {\n register(value);\n return cont(maybeAssign);\n }\n if (type == \"variable\") cx.marked = \"property\";\n if (type == \"spread\") return cont(pattern);\n if (type == \"}\") return pass();\n if (type == \"[\") return cont(expression, expect(']'), expect(':'), proppattern);\n return cont(expect(\":\"), pattern, maybeAssign);\n }\n function eltpattern() {\n return pass(pattern, maybeAssign)\n }\n function maybeAssign(_type, value) {\n if (value == \"=\") return cont(expressionNoComma);\n }\n function vardefCont(type) {\n if (type == \",\") return cont(vardef);\n }\n function maybeelse(type, value) {\n if (type == \"keyword b\" && value == \"else\") return cont(pushlex(\"form\", \"else\"), statement, poplex);\n }\n function forspec(type, value) {\n if (value == \"await\") return cont(forspec);\n if (type == \"(\") return cont(pushlex(\")\"), forspec1, poplex);\n }\n function forspec1(type) {\n if (type == \"var\") return cont(vardef, forspec2);\n if (type == \"variable\") return cont(forspec2);\n return pass(forspec2)\n }\n function forspec2(type, value) {\n if (type == \")\") return cont()\n if (type == \";\") return cont(forspec2)\n if (value == \"in\" || value == \"of\") { cx.marked = \"keyword\"; return cont(expression, forspec2) }\n return pass(expression, forspec2)\n }\n function functiondef(type, value) {\n if (value == \"*\") {cx.marked = \"keyword\"; return cont(functiondef);}\n if (type == \"variable\") {register(value); return cont(functiondef);}\n if (type == \"(\") return cont(pushcontext, pushlex(\")\"), commasep(funarg, \")\"), poplex, mayberettype, statement, popcontext);\n if (isTS && value == \"<\") return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex, functiondef)\n }\n function functiondecl(type, value) {\n if (value == \"*\") {cx.marked = \"keyword\"; return cont(functiondecl);}\n if (type == \"variable\") {register(value); return cont(functiondecl);}\n if (type == \"(\") return cont(pushcontext, pushlex(\")\"), commasep(funarg, \")\"), poplex, mayberettype, popcontext);\n if (isTS && value == \"<\") return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex, functiondecl)\n }\n function typename(type, value) {\n if (type == \"keyword\" || type == \"variable\") {\n cx.marked = \"type\"\n return cont(typename)\n } else if (value == \"<\") {\n return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex)\n }\n }\n function funarg(type, value) {\n if (value == \"@\") cont(expression, funarg)\n if (type == \"spread\") return cont(funarg);\n if (isTS && isModifier(value)) { cx.marked = \"keyword\"; return cont(funarg); }\n if (isTS && type == \"this\") return cont(maybetype, maybeAssign)\n return pass(pattern, maybetype, maybeAssign);\n }\n function classExpression(type, value) {\n // Class expressions may have an optional name.\n if (type == \"variable\") return className(type, value);\n return classNameAfter(type, value);\n }\n function className(type, value) {\n if (type == \"variable\") {register(value); return cont(classNameAfter);}\n }\n function classNameAfter(type, value) {\n if (value == \"<\") return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex, classNameAfter)\n if (value == \"extends\" || value == \"implements\" || (isTS && type == \",\")) {\n if (value == \"implements\") cx.marked = \"keyword\";\n return cont(isTS ? typeexpr : expression, classNameAfter);\n }\n if (type == \"{\") return cont(pushlex(\"}\"), classBody, poplex);\n }\n function classBody(type, value) {\n if (type == \"async\" ||\n (type == \"variable\" &&\n (value == \"static\" || value == \"get\" || value == \"set\" || (isTS && isModifier(value))) &&\n cx.stream.match(/^\\s+#?[\\w$\\xa1-\\uffff]/, false))) {\n cx.marked = \"keyword\";\n return cont(classBody);\n }\n if (type == \"variable\" || cx.style == \"keyword\") {\n cx.marked = \"property\";\n return cont(classfield, classBody);\n }\n if (type == \"number\" || type == \"string\") return cont(classfield, classBody);\n if (type == \"[\")\n return cont(expression, maybetype, expect(\"]\"), classfield, classBody)\n if (value == \"*\") {\n cx.marked = \"keyword\";\n return cont(classBody);\n }\n if (isTS && type == \"(\") return pass(functiondecl, classBody)\n if (type == \";\" || type == \",\") return cont(classBody);\n if (type == \"}\") return cont();\n if (value == \"@\") return cont(expression, classBody)\n }\n function classfield(type, value) {\n if (value == \"!\") return cont(classfield)\n if (value == \"?\") return cont(classfield)\n if (type == \":\") return cont(typeexpr, maybeAssign)\n if (value == \"=\") return cont(expressionNoComma)\n var context = cx.state.lexical.prev, isInterface = context && context.info == \"interface\"\n return pass(isInterface ? functiondecl : functiondef)\n }\n function afterExport(type, value) {\n if (value == \"*\") { cx.marked = \"keyword\"; return cont(maybeFrom, expect(\";\")); }\n if (value == \"default\") { cx.marked = \"keyword\"; return cont(expression, expect(\";\")); }\n if (type == \"{\") return cont(commasep(exportField, \"}\"), maybeFrom, expect(\";\"));\n return pass(statement);\n }\n function exportField(type, value) {\n if (value == \"as\") { cx.marked = \"keyword\"; return cont(expect(\"variable\")); }\n if (type == \"variable\") return pass(expressionNoComma, exportField);\n }\n function afterImport(type) {\n if (type == \"string\") return cont();\n if (type == \"(\") return pass(expression);\n if (type == \".\") return pass(maybeoperatorComma);\n return pass(importSpec, maybeMoreImports, maybeFrom);\n }\n function importSpec(type, value) {\n if (type == \"{\") return contCommasep(importSpec, \"}\");\n if (type == \"variable\") register(value);\n if (value == \"*\") cx.marked = \"keyword\";\n return cont(maybeAs);\n }\n function maybeMoreImports(type) {\n if (type == \",\") return cont(importSpec, maybeMoreImports)\n }\n function maybeAs(_type, value) {\n if (value == \"as\") { cx.marked = \"keyword\"; return cont(importSpec); }\n }\n function maybeFrom(_type, value) {\n if (value == \"from\") { cx.marked = \"keyword\"; return cont(expression); }\n }\n function arrayLiteral(type) {\n if (type == \"]\") return cont();\n return pass(commasep(expressionNoComma, \"]\"));\n }\n function enumdef() {\n return pass(pushlex(\"form\"), pattern, expect(\"{\"), pushlex(\"}\"), commasep(enummember, \"}\"), poplex, poplex)\n }\n function enummember() {\n return pass(pattern, maybeAssign);\n }\n\n function isContinuedStatement(state, textAfter) {\n return state.lastType == \"operator\" || state.lastType == \",\" ||\n isOperatorChar.test(textAfter.charAt(0)) ||\n /[,.]/.test(textAfter.charAt(0));\n }\n\n function expressionAllowed(stream, state, backUp) {\n return state.tokenize == tokenBase &&\n /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\\[{}\\(,;:]|=>)$/.test(state.lastType) ||\n (state.lastType == \"quasi\" && /\\{\\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))\n }\n\n // Interface\n\n return {\n startState: function(basecolumn) {\n var state = {\n tokenize: tokenBase,\n lastType: \"sof\",\n cc: [],\n lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, \"block\", false),\n localVars: parserConfig.localVars,\n context: parserConfig.localVars && new Context(null, null, false),\n indented: basecolumn || 0\n };\n if (parserConfig.globalVars && typeof parserConfig.globalVars == \"object\")\n state.globalVars = parserConfig.globalVars;\n return state;\n },\n\n token: function(stream, state) {\n if (stream.sol()) {\n if (!state.lexical.hasOwnProperty(\"align\"))\n state.lexical.align = false;\n state.indented = stream.indentation();\n findFatArrow(stream, state);\n }\n if (state.tokenize != tokenComment && stream.eatSpace()) return null;\n var style = state.tokenize(stream, state);\n if (type == \"comment\") return style;\n state.lastType = type == \"operator\" && (content == \"++\" || content == \"--\") ? \"incdec\" : type;\n return parseJS(state, style, type, content, stream);\n },\n\n indent: function(state, textAfter) {\n if (state.tokenize == tokenComment || state.tokenize == tokenQuasi) return CodeMirror.Pass;\n if (state.tokenize != tokenBase) return 0;\n var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top\n // Kludge to prevent 'maybelse' from blocking lexical scope pops\n if (!/^\\s*else\\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {\n var c = state.cc[i];\n if (c == poplex) lexical = lexical.prev;\n else if (c != maybeelse && c != popcontext) break;\n }\n while ((lexical.type == \"stat\" || lexical.type == \"form\") &&\n (firstChar == \"}\" || ((top = state.cc[state.cc.length - 1]) &&\n (top == maybeoperatorComma || top == maybeoperatorNoComma) &&\n !/^[,\\.=+\\-*:?[\\(]/.test(textAfter))))\n lexical = lexical.prev;\n if (statementIndent && lexical.type == \")\" && lexical.prev.type == \"stat\")\n lexical = lexical.prev;\n var type = lexical.type, closing = firstChar == type;\n\n if (type == \"vardef\") return lexical.indented + (state.lastType == \"operator\" || state.lastType == \",\" ? lexical.info.length + 1 : 0);\n else if (type == \"form\" && firstChar == \"{\") return lexical.indented;\n else if (type == \"form\") return lexical.indented + indentUnit;\n else if (type == \"stat\")\n return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0);\n else if (lexical.info == \"switch\" && !closing && parserConfig.doubleIndentSwitch != false)\n return lexical.indented + (/^(?:case|default)\\b/.test(textAfter) ? indentUnit : 2 * indentUnit);\n else if (lexical.align) return lexical.column + (closing ? 0 : 1);\n else return lexical.indented + (closing ? 0 : indentUnit);\n },\n\n electricInput: /^\\s*(?:case .*?:|default:|\\{|\\})$/,\n blockCommentStart: jsonMode ? null : \"/*\",\n blockCommentEnd: jsonMode ? null : \"*/\",\n blockCommentContinue: jsonMode ? null : \" * \",\n lineComment: jsonMode ? null : \"//\",\n fold: \"brace\",\n closeBrackets: \"()[]{}''\\\"\\\"``\",\n\n helperType: jsonMode ? \"json\" : \"javascript\",\n jsonldMode: jsonldMode,\n jsonMode: jsonMode,\n\n expressionAllowed: expressionAllowed,\n\n skipExpression: function(state) {\n parseJS(state, \"atom\", \"atom\", \"true\", new CodeMirror.StringStream(\"\", 2, null))\n }\n };\n});\n\nCodeMirror.registerHelper(\"wordChars\", \"javascript\", /[\\w$]/);\n\nCodeMirror.defineMIME(\"text/javascript\", \"javascript\");\nCodeMirror.defineMIME(\"text/ecmascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/javascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/x-javascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/ecmascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/json\", { name: \"javascript\", json: true });\nCodeMirror.defineMIME(\"application/x-json\", { name: \"javascript\", json: true });\nCodeMirror.defineMIME(\"application/manifest+json\", { name: \"javascript\", json: true })\nCodeMirror.defineMIME(\"application/ld+json\", { name: \"javascript\", jsonld: true });\nCodeMirror.defineMIME(\"text/typescript\", { name: \"javascript\", typescript: true });\nCodeMirror.defineMIME(\"application/typescript\", { name: \"javascript\", typescript: true });\n\n});\n", "// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/5/LICENSE\n\n(function(mod) {\n if (typeof exports == \"object\" && typeof module == \"object\") // CommonJS\n mod(require(\"../../lib/codemirror\"));\n else if (typeof define == \"function\" && define.amd) // AMD\n define([\"../../lib/codemirror\"], mod);\n else // Plain browser env\n mod(CodeMirror);\n})(function(CodeMirror) {\n\"use strict\";\n\nCodeMirror.defineMode(\"css\", function(config, parserConfig) {\n var inline = parserConfig.inline\n if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode(\"text/css\");\n\n var indentUnit = config.indentUnit,\n tokenHooks = parserConfig.tokenHooks,\n documentTypes = parserConfig.documentTypes || {},\n mediaTypes = parserConfig.mediaTypes || {},\n mediaFeatures = parserConfig.mediaFeatures || {},\n mediaValueKeywords = parserConfig.mediaValueKeywords || {},\n propertyKeywords = parserConfig.propertyKeywords || {},\n nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {},\n fontProperties = parserConfig.fontProperties || {},\n counterDescriptors = parserConfig.counterDescriptors || {},\n colorKeywords = parserConfig.colorKeywords || {},\n valueKeywords = parserConfig.valueKeywords || {},\n allowNested = parserConfig.allowNested,\n lineComment = parserConfig.lineComment,\n supportsAtComponent = parserConfig.supportsAtComponent === true,\n highlightNonStandardPropertyKeywords = config.highlightNonStandardPropertyKeywords !== false;\n\n var type, override;\n function ret(style, tp) { type = tp; return style; }\n\n // Tokenizers\n\n function tokenBase(stream, state) {\n var ch = stream.next();\n if (tokenHooks[ch]) {\n var result = tokenHooks[ch](stream, state);\n if (result !== false) return result;\n }\n if (ch == \"@\") {\n stream.eatWhile(/[\\w\\\\\\-]/);\n return ret(\"def\", stream.current());\n } else if (ch == \"=\" || (ch == \"~\" || ch == \"|\") && stream.eat(\"=\")) {\n return ret(null, \"compare\");\n } else if (ch == \"\\\"\" || ch == \"'\") {\n state.tokenize = tokenString(ch);\n return state.tokenize(stream, state);\n } else if (ch == \"#\") {\n stream.eatWhile(/[\\w\\\\\\-]/);\n return ret(\"atom\", \"hash\");\n } else if (ch == \"!\") {\n stream.match(/^\\s*\\w*/);\n return ret(\"keyword\", \"important\");\n } else if (/\\d/.test(ch) || ch == \".\" && stream.eat(/\\d/)) {\n stream.eatWhile(/[\\w.%]/);\n return ret(\"number\", \"unit\");\n } else if (ch === \"-\") {\n if (/[\\d.]/.test(stream.peek())) {\n stream.eatWhile(/[\\w.%]/);\n return ret(\"number\", \"unit\");\n } else if (stream.match(/^-[\\w\\\\\\-]*/)) {\n stream.eatWhile(/[\\w\\\\\\-]/);\n if (stream.match(/^\\s*:/, false))\n return ret(\"variable-2\", \"variable-definition\");\n return ret(\"variable-2\", \"variable\");\n } else if (stream.match(/^\\w+-/)) {\n return ret(\"meta\", \"meta\");\n }\n } else if (/[,+>*\\/]/.test(ch)) {\n return ret(null, \"select-op\");\n } else if (ch == \".\" && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {\n return ret(\"qualifier\", \"qualifier\");\n } else if (/[:;{}\\[\\]\\(\\)]/.test(ch)) {\n return ret(null, ch);\n } else if (stream.match(/^[\\w-.]+(?=\\()/)) {\n if (/^(url(-prefix)?|domain|regexp)$/i.test(stream.current())) {\n state.tokenize = tokenParenthesized;\n }\n return ret(\"variable callee\", \"variable\");\n } else if (/[\\w\\\\\\-]/.test(ch)) {\n stream.eatWhile(/[\\w\\\\\\-]/);\n return ret(\"property\", \"word\");\n } else {\n return ret(null, null);\n }\n }\n\n function tokenString(quote) {\n return function(stream, state) {\n var escaped = false, ch;\n while ((ch = stream.next()) != null) {\n if (ch == quote && !escaped) {\n if (quote == \")\") stream.backUp(1);\n break;\n }\n escaped = !escaped && ch == \"\\\\\";\n }\n if (ch == quote || !escaped && quote != \")\") state.tokenize = null;\n return ret(\"string\", \"string\");\n };\n }\n\n function tokenParenthesized(stream, state) {\n stream.next(); // Must be '('\n if (!stream.match(/^\\s*[\\\"\\')]/, false))\n state.tokenize = tokenString(\")\");\n else\n state.tokenize = null;\n return ret(null, \"(\");\n }\n\n // Context management\n\n function Context(type, indent, prev) {\n this.type = type;\n this.indent = indent;\n this.prev = prev;\n }\n\n function pushContext(state, stream, type, indent) {\n state.context = new Context(type, stream.indentation() + (indent === false ? 0 : indentUnit), state.context);\n return type;\n }\n\n function popContext(state) {\n if (state.context.prev)\n state.context = state.context.prev;\n return state.context.type;\n }\n\n function pass(type, stream, state) {\n return states[state.context.type](type, stream, state);\n }\n function popAndPass(type, stream, state, n) {\n for (var i = n || 1; i > 0; i--)\n state.context = state.context.prev;\n return pass(type, stream, state);\n }\n\n // Parser\n\n function wordAsValue(stream) {\n var word = stream.current().toLowerCase();\n if (valueKeywords.hasOwnProperty(word))\n override = \"atom\";\n else if (colorKeywords.hasOwnProperty(word))\n override = \"keyword\";\n else\n override = \"variable\";\n }\n\n var states = {};\n\n states.top = function(type, stream, state) {\n if (type == \"{\") {\n return pushContext(state, stream, \"block\");\n } else if (type == \"}\" && state.context.prev) {\n return popContext(state);\n } else if (supportsAtComponent && /@component/i.test(type)) {\n return pushContext(state, stream, \"atComponentBlock\");\n } else if (/^@(-moz-)?document$/i.test(type)) {\n return pushContext(state, stream, \"documentTypes\");\n } else if (/^@(media|supports|(-moz-)?document|import)$/i.test(type)) {\n return pushContext(state, stream, \"atBlock\");\n } else if (/^@(font-face|counter-style)/i.test(type)) {\n state.stateArg = type;\n return \"restricted_atBlock_before\";\n } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/i.test(type)) {\n return \"keyframes\";\n } else if (type && type.charAt(0) == \"@\") {\n return pushContext(state, stream, \"at\");\n } else if (type == \"hash\") {\n override = \"builtin\";\n } else if (type == \"word\") {\n override = \"tag\";\n } else if (type == \"variable-definition\") {\n return \"maybeprop\";\n } else if (type == \"interpolation\") {\n return pushContext(state, stream, \"interpolation\");\n } else if (type == \":\") {\n return \"pseudo\";\n } else if (allowNested && type == \"(\") {\n return pushContext(state, stream, \"parens\");\n }\n return state.context.type;\n };\n\n states.block = function(type, stream, state) {\n if (type == \"word\") {\n var word = stream.current().toLowerCase();\n if (propertyKeywords.hasOwnProperty(word)) {\n override = \"property\";\n return \"maybeprop\";\n } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {\n override = highlightNonStandardPropertyKeywords ? \"string-2\" : \"property\";\n return \"maybeprop\";\n } else if (allowNested) {\n override = stream.match(/^\\s*:(?:\\s|$)/, false) ? \"property\" : \"tag\";\n return \"block\";\n } else {\n override += \" error\";\n return \"maybeprop\";\n }\n } else if (type == \"meta\") {\n return \"block\";\n } else if (!allowNested && (type == \"hash\" || type == \"qualifier\")) {\n override = \"error\";\n return \"block\";\n } else {\n return states.top(type, stream, state);\n }\n };\n\n states.maybeprop = function(type, stream, state) {\n if (type == \":\") return pushContext(state, stream, \"prop\");\n return pass(type, stream, state);\n };\n\n states.prop = function(type, stream, state) {\n if (type == \";\") return popContext(state);\n if (type == \"{\" && allowNested) return pushContext(state, stream, \"propBlock\");\n if (type == \"}\" || type == \"{\") return popAndPass(type, stream, state);\n if (type == \"(\") return pushContext(state, stream, \"parens\");\n\n if (type == \"hash\" && !/^#([0-9a-fA-F]{3,4}|[0-9a-fA-F]{6}|[0-9a-fA-F]{8})$/.test(stream.current())) {\n override += \" error\";\n } else if (type == \"word\") {\n wordAsValue(stream);\n } else if (type == \"interpolation\") {\n return pushContext(state, stream, \"interpolation\");\n }\n return \"prop\";\n };\n\n states.propBlock = function(type, _stream, state) {\n if (type == \"}\") return popContext(state);\n if (type == \"word\") { override = \"property\"; return \"maybeprop\"; }\n return state.context.type;\n };\n\n states.parens = function(type, stream, state) {\n if (type == \"{\" || type == \"}\") return popAndPass(type, stream, state);\n if (type == \")\") return popContext(state);\n if (type == \"(\") return pushContext(state, stream, \"parens\");\n if (type == \"interpolation\") return pushContext(state, stream, \"interpolation\");\n if (type == \"word\") wordAsValue(stream);\n return \"parens\";\n };\n\n states.pseudo = function(type, stream, state) {\n if (type == \"meta\") return \"pseudo\";\n\n if (type == \"word\") {\n override = \"variable-3\";\n return state.context.type;\n }\n return pass(type, stream, state);\n };\n\n states.documentTypes = function(type, stream, state) {\n if (type == \"word\" && documentTypes.hasOwnProperty(stream.current())) {\n override = \"tag\";\n return state.context.type;\n } else {\n return states.atBlock(type, stream, state);\n }\n };\n\n states.atBlock = function(type, stream, state) {\n if (type == \"(\") return pushContext(state, stream, \"atBlock_parens\");\n if (type == \"}\" || type == \";\") return popAndPass(type, stream, state);\n if (type == \"{\") return popContext(state) && pushContext(state, stream, allowNested ? \"block\" : \"top\");\n\n if (type == \"interpolation\") return pushContext(state, stream, \"interpolation\");\n\n if (type == \"word\") {\n var word = stream.current().toLowerCase();\n if (word == \"only\" || word == \"not\" || word == \"and\" || word == \"or\")\n override = \"keyword\";\n else if (mediaTypes.hasOwnProperty(word))\n override = \"attribute\";\n else if (mediaFeatures.hasOwnProperty(word))\n override = \"property\";\n else if (mediaValueKeywords.hasOwnProperty(word))\n override = \"keyword\";\n else if (propertyKeywords.hasOwnProperty(word))\n override = \"property\";\n else if (nonStandardPropertyKeywords.hasOwnProperty(word))\n override = highlightNonStandardPropertyKeywords ? \"string-2\" : \"property\";\n else if (valueKeywords.hasOwnProperty(word))\n override = \"atom\";\n else if (colorKeywords.hasOwnProperty(word))\n override = \"keyword\";\n else\n override = \"error\";\n }\n return state.context.type;\n };\n\n states.atComponentBlock = function(type, stream, state) {\n if (type == \"}\")\n return popAndPass(type, stream, state);\n if (type == \"{\")\n return popContext(state) && pushContext(state, stream, allowNested ? \"block\" : \"top\", false);\n if (type == \"word\")\n override = \"error\";\n return state.context.type;\n };\n\n states.atBlock_parens = function(type, stream, state) {\n if (type == \")\") return popContext(state);\n if (type == \"{\" || type == \"}\") return popAndPass(type, stream, state, 2);\n return states.atBlock(type, stream, state);\n };\n\n states.restricted_atBlock_before = function(type, stream, state) {\n if (type == \"{\")\n return pushContext(state, stream, \"restricted_atBlock\");\n if (type == \"word\" && state.stateArg == \"@counter-style\") {\n override = \"variable\";\n return \"restricted_atBlock_before\";\n }\n return pass(type, stream, state);\n };\n\n states.restricted_atBlock = function(type, stream, state) {\n if (type == \"}\") {\n state.stateArg = null;\n return popContext(state);\n }\n if (type == \"word\") {\n if ((state.stateArg == \"@font-face\" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) ||\n (state.stateArg == \"@counter-style\" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase())))\n override = \"error\";\n else\n override = \"property\";\n return \"maybeprop\";\n }\n return \"restricted_atBlock\";\n };\n\n states.keyframes = function(type, stream, state) {\n if (type == \"word\") { override = \"variable\"; return \"keyframes\"; }\n if (type == \"{\") return pushContext(state, stream, \"top\");\n return pass(type, stream, state);\n };\n\n states.at = function(type, stream, state) {\n if (type == \";\") return popContext(state);\n if (type == \"{\" || type == \"}\") return popAndPass(type, stream, state);\n if (type == \"word\") override = \"tag\";\n else if (type == \"hash\") override = \"builtin\";\n return \"at\";\n };\n\n states.interpolation = function(type, stream, state) {\n if (type == \"}\") return popContext(state);\n if (type == \"{\" || type == \";\") return popAndPass(type, stream, state);\n if (type == \"word\") override = \"variable\";\n else if (type != \"variable\" && type != \"(\" && type != \")\") override = \"error\";\n return \"interpolation\";\n };\n\n return {\n startState: function(base) {\n return {tokenize: null,\n state: inline ? \"block\" : \"top\",\n stateArg: null,\n context: new Context(inline ? \"block\" : \"top\", base || 0, null)};\n },\n\n token: function(stream, state) {\n if (!state.tokenize && stream.eatSpace()) return null;\n var style = (state.tokenize || tokenBase)(stream, state);\n if (style && typeof style == \"object\") {\n type = style[1];\n style = style[0];\n }\n override = style;\n if (type != \"comment\")\n state.state = states[state.state](type, stream, state);\n return override;\n },\n\n indent: function(state, textAfter) {\n var cx = state.context, ch = textAfter && textAfter.charAt(0);\n var indent = cx.indent;\n if (cx.type == \"prop\" && (ch == \"}\" || ch == \")\")) cx = cx.prev;\n if (cx.prev) {\n if (ch == \"}\" && (cx.type == \"block\" || cx.type == \"top\" ||\n cx.type == \"interpolation\" || cx.type == \"restricted_atBlock\")) {\n // Resume indentation from parent context.\n cx = cx.prev;\n indent = cx.indent;\n } else if (ch == \")\" && (cx.type == \"parens\" || cx.type == \"atBlock_parens\") ||\n ch == \"{\" && (cx.type == \"at\" || cx.type == \"atBlock\")) {\n // Dedent relative to current context.\n indent = Math.max(0, cx.indent - indentUnit);\n }\n }\n return indent;\n },\n\n electricChars: \"}\",\n blockCommentStart: \"/*\",\n blockCommentEnd: \"*/\",\n blockCommentContinue: \" * \",\n lineComment: lineComment,\n fold: \"brace\"\n };\n});\n\n function keySet(array) {\n var keys = {};\n for (var i = 0; i < array.length; ++i) {\n keys[array[i].toLowerCase()] = true;\n }\n return keys;\n }\n\n var documentTypes_ = [\n \"domain\", \"regexp\", \"url\", \"url-prefix\"\n ], documentTypes = keySet(documentTypes_);\n\n var mediaTypes_ = [\n \"all\", \"aural\", \"braille\", \"handheld\", \"print\", \"projection\", \"screen\",\n \"tty\", \"tv\", \"embossed\"\n ], mediaTypes = keySet(mediaTypes_);\n\n var mediaFeatures_ = [\n \"width\", \"min-width\", \"max-width\", \"height\", \"min-height\", \"max-height\",\n \"device-width\", \"min-device-width\", \"max-device-width\", \"device-height\",\n \"min-device-height\", \"max-device-height\", \"aspect-ratio\",\n \"min-aspect-ratio\", \"max-aspect-ratio\", \"device-aspect-ratio\",\n \"min-device-aspect-ratio\", \"max-device-aspect-ratio\", \"color\", \"min-color\",\n \"max-color\", \"color-index\", \"min-color-index\", \"max-color-index\",\n \"monochrome\", \"min-monochrome\", \"max-monochrome\", \"resolution\",\n \"min-resolution\", \"max-resolution\", \"scan\", \"grid\", \"orientation\",\n \"device-pixel-ratio\", \"min-device-pixel-ratio\", \"max-device-pixel-ratio\",\n \"pointer\", \"any-pointer\", \"hover\", \"any-hover\", \"prefers-color-scheme\",\n \"dynamic-range\", \"video-dynamic-range\"\n ], mediaFeatures = keySet(mediaFeatures_);\n\n var mediaValueKeywords_ = [\n \"landscape\", \"portrait\", \"none\", \"coarse\", \"fine\", \"on-demand\", \"hover\",\n \"interlace\", \"progressive\",\n \"dark\", \"light\",\n \"standard\", \"high\"\n ], mediaValueKeywords = keySet(mediaValueKeywords_);\n\n var propertyKeywords_ = [\n \"align-content\", \"align-items\", \"align-self\", \"alignment-adjust\",\n \"alignment-baseline\", \"all\", \"anchor-point\", \"animation\", \"animation-delay\",\n \"animation-direction\", \"animation-duration\", \"animation-fill-mode\",\n \"animation-iteration-count\", \"animation-name\", \"animation-play-state\",\n \"animation-timing-function\", \"appearance\", \"azimuth\", \"backdrop-filter\",\n \"backface-visibility\", \"background\", \"background-attachment\",\n \"background-blend-mode\", \"background-clip\", \"background-color\",\n \"background-image\", \"background-origin\", \"background-position\",\n \"background-position-x\", \"background-position-y\", \"background-repeat\",\n \"background-size\", \"baseline-shift\", \"binding\", \"bleed\", \"block-size\",\n \"bookmark-label\", \"bookmark-level\", \"bookmark-state\", \"bookmark-target\",\n \"border\", \"border-bottom\", \"border-bottom-color\", \"border-bottom-left-radius\",\n \"border-bottom-right-radius\", \"border-bottom-style\", \"border-bottom-width\",\n \"border-collapse\", \"border-color\", \"border-image\", \"border-image-outset\",\n \"border-image-repeat\", \"border-image-slice\", \"border-image-source\",\n \"border-image-width\", \"border-left\", \"border-left-color\", \"border-left-style\",\n \"border-left-width\", \"border-radius\", \"border-right\", \"border-right-color\",\n \"border-right-style\", \"border-right-width\", \"border-spacing\", \"border-style\",\n \"border-top\", \"border-top-color\", \"border-top-left-radius\",\n \"border-top-right-radius\", \"border-top-style\", \"border-top-width\",\n \"border-width\", \"bottom\", \"box-decoration-break\", \"box-shadow\", \"box-sizing\",\n \"break-after\", \"break-before\", \"break-inside\", \"caption-side\", \"caret-color\",\n \"clear\", \"clip\", \"color\", \"color-profile\", \"column-count\", \"column-fill\",\n \"column-gap\", \"column-rule\", \"column-rule-color\", \"column-rule-style\",\n \"column-rule-width\", \"column-span\", \"column-width\", \"columns\", \"contain\",\n \"content\", \"counter-increment\", \"counter-reset\", \"crop\", \"cue\", \"cue-after\",\n \"cue-before\", \"cursor\", \"direction\", \"display\", \"dominant-baseline\",\n \"drop-initial-after-adjust\", \"drop-initial-after-align\",\n \"drop-initial-before-adjust\", \"drop-initial-before-align\", \"drop-initial-size\",\n \"drop-initial-value\", \"elevation\", \"empty-cells\", \"fit\", \"fit-content\", \"fit-position\",\n \"flex\", \"flex-basis\", \"flex-direction\", \"flex-flow\", \"flex-grow\",\n \"flex-shrink\", \"flex-wrap\", \"float\", \"float-offset\", \"flow-from\", \"flow-into\",\n \"font\", \"font-family\", \"font-feature-settings\", \"font-kerning\",\n \"font-language-override\", \"font-optical-sizing\", \"font-size\",\n \"font-size-adjust\", \"font-stretch\", \"font-style\", \"font-synthesis\",\n \"font-variant\", \"font-variant-alternates\", \"font-variant-caps\",\n \"font-variant-east-asian\", \"font-variant-ligatures\", \"font-variant-numeric\",\n \"font-variant-position\", \"font-variation-settings\", \"font-weight\", \"gap\",\n \"grid\", \"grid-area\", \"grid-auto-columns\", \"grid-auto-flow\", \"grid-auto-rows\",\n \"grid-column\", \"grid-column-end\", \"grid-column-gap\", \"grid-column-start\",\n \"grid-gap\", \"grid-row\", \"grid-row-end\", \"grid-row-gap\", \"grid-row-start\",\n \"grid-template\", \"grid-template-areas\", \"grid-template-columns\",\n \"grid-template-rows\", \"hanging-punctuation\", \"height\", \"hyphens\", \"icon\",\n \"image-orientation\", \"image-rendering\", \"image-resolution\", \"inline-box-align\",\n \"inset\", \"inset-block\", \"inset-block-end\", \"inset-block-start\", \"inset-inline\",\n \"inset-inline-end\", \"inset-inline-start\", \"isolation\", \"justify-content\",\n \"justify-items\", \"justify-self\", \"left\", \"letter-spacing\", \"line-break\",\n \"line-height\", \"line-height-step\", \"line-stacking\", \"line-stacking-ruby\",\n \"line-stacking-shift\", \"line-stacking-strategy\", \"list-style\",\n \"list-style-image\", \"list-style-position\", \"list-style-type\", \"margin\",\n \"margin-bottom\", \"margin-left\", \"margin-right\", \"margin-top\", \"marks\",\n \"marquee-direction\", \"marquee-loop\", \"marquee-play-count\", \"marquee-speed\",\n \"marquee-style\", \"mask-clip\", \"mask-composite\", \"mask-image\", \"mask-mode\",\n \"mask-origin\", \"mask-position\", \"mask-repeat\", \"mask-size\",\"mask-type\",\n \"max-block-size\", \"max-height\", \"max-inline-size\",\n \"max-width\", \"min-block-size\", \"min-height\", \"min-inline-size\", \"min-width\",\n \"mix-blend-mode\", \"move-to\", \"nav-down\", \"nav-index\", \"nav-left\", \"nav-right\",\n \"nav-up\", \"object-fit\", \"object-position\", \"offset\", \"offset-anchor\",\n \"offset-distance\", \"offset-path\", \"offset-position\", \"offset-rotate\",\n \"opacity\", \"order\", \"orphans\", \"outline\", \"outline-color\", \"outline-offset\",\n \"outline-style\", \"outline-width\", \"overflow\", \"overflow-style\",\n \"overflow-wrap\", \"overflow-x\", \"overflow-y\", \"padding\", \"padding-bottom\",\n \"padding-left\", \"padding-right\", \"padding-top\", \"page\", \"page-break-after\",\n \"page-break-before\", \"page-break-inside\", \"page-policy\", \"pause\",\n \"pause-after\", \"pause-before\", \"perspective\", \"perspective-origin\", \"pitch\",\n \"pitch-range\", \"place-content\", \"place-items\", \"place-self\", \"play-during\",\n \"position\", \"presentation-level\", \"punctuation-trim\", \"quotes\",\n \"region-break-after\", \"region-break-before\", \"region-break-inside\",\n \"region-fragment\", \"rendering-intent\", \"resize\", \"rest\", \"rest-after\",\n \"rest-before\", \"richness\", \"right\", \"rotate\", \"rotation\", \"rotation-point\",\n \"row-gap\", \"ruby-align\", \"ruby-overhang\", \"ruby-position\", \"ruby-span\",\n \"scale\", \"scroll-behavior\", \"scroll-margin\", \"scroll-margin-block\",\n \"scroll-margin-block-end\", \"scroll-margin-block-start\", \"scroll-margin-bottom\",\n \"scroll-margin-inline\", \"scroll-margin-inline-end\",\n \"scroll-margin-inline-start\", \"scroll-margin-left\", \"scroll-margin-right\",\n \"scroll-margin-top\", \"scroll-padding\", \"scroll-padding-block\",\n \"scroll-padding-block-end\", \"scroll-padding-block-start\",\n \"scroll-padding-bottom\", \"scroll-padding-inline\", \"scroll-padding-inline-end\",\n \"scroll-padding-inline-start\", \"scroll-padding-left\", \"scroll-padding-right\",\n \"scroll-padding-top\", \"scroll-snap-align\", \"scroll-snap-type\",\n \"shape-image-threshold\", \"shape-inside\", \"shape-margin\", \"shape-outside\",\n \"size\", \"speak\", \"speak-as\", \"speak-header\", \"speak-numeral\",\n \"speak-punctuation\", \"speech-rate\", \"stress\", \"string-set\", \"tab-size\",\n \"table-layout\", \"target\", \"target-name\", \"target-new\", \"target-position\",\n \"text-align\", \"text-align-last\", \"text-combine-upright\", \"text-decoration\",\n \"text-decoration-color\", \"text-decoration-line\", \"text-decoration-skip\",\n \"text-decoration-skip-ink\", \"text-decoration-style\", \"text-emphasis\",\n \"text-emphasis-color\", \"text-emphasis-position\", \"text-emphasis-style\",\n \"text-height\", \"text-indent\", \"text-justify\", \"text-orientation\",\n \"text-outline\", \"text-overflow\", \"text-rendering\", \"text-shadow\",\n \"text-size-adjust\", \"text-space-collapse\", \"text-transform\",\n \"text-underline-position\", \"text-wrap\", \"top\", \"touch-action\", \"transform\", \"transform-origin\",\n \"transform-style\", \"transition\", \"transition-delay\", \"transition-duration\",\n \"transition-property\", \"transition-timing-function\", \"translate\",\n \"unicode-bidi\", \"user-select\", \"vertical-align\", \"visibility\", \"voice-balance\",\n \"voice-duration\", \"voice-family\", \"voice-pitch\", \"voice-range\", \"voice-rate\",\n \"voice-stress\", \"voice-volume\", \"volume\", \"white-space\", \"widows\", \"width\",\n \"will-change\", \"word-break\", \"word-spacing\", \"word-wrap\", \"writing-mode\", \"z-index\",\n // SVG-specific\n \"clip-path\", \"clip-rule\", \"mask\", \"enable-background\", \"filter\", \"flood-color\",\n \"flood-opacity\", \"lighting-color\", \"stop-color\", \"stop-opacity\", \"pointer-events\",\n \"color-interpolation\", \"color-interpolation-filters\",\n \"color-rendering\", \"fill\", \"fill-opacity\", \"fill-rule\", \"image-rendering\",\n \"marker\", \"marker-end\", \"marker-mid\", \"marker-start\", \"paint-order\", \"shape-rendering\", \"stroke\",\n \"stroke-dasharray\", \"stroke-dashoffset\", \"stroke-linecap\", \"stroke-linejoin\",\n \"stroke-miterlimit\", \"stroke-opacity\", \"stroke-width\", \"text-rendering\",\n \"baseline-shift\", \"dominant-baseline\", \"glyph-orientation-horizontal\",\n \"glyph-orientation-vertical\", \"text-anchor\", \"writing-mode\",\n ], propertyKeywords = keySet(propertyKeywords_);\n\n var nonStandardPropertyKeywords_ = [\n \"accent-color\", \"aspect-ratio\", \"border-block\", \"border-block-color\", \"border-block-end\",\n \"border-block-end-color\", \"border-block-end-style\", \"border-block-end-width\",\n \"border-block-start\", \"border-block-start-color\", \"border-block-start-style\",\n \"border-block-start-width\", \"border-block-style\", \"border-block-width\",\n \"border-inline\", \"border-inline-color\", \"border-inline-end\",\n \"border-inline-end-color\", \"border-inline-end-style\",\n \"border-inline-end-width\", \"border-inline-start\", \"border-inline-start-color\",\n \"border-inline-start-style\", \"border-inline-start-width\",\n \"border-inline-style\", \"border-inline-width\", \"content-visibility\", \"margin-block\",\n \"margin-block-end\", \"margin-block-start\", \"margin-inline\", \"margin-inline-end\",\n \"margin-inline-start\", \"overflow-anchor\", \"overscroll-behavior\", \"padding-block\", \"padding-block-end\",\n \"padding-block-start\", \"padding-inline\", \"padding-inline-end\",\n \"padding-inline-start\", \"scroll-snap-stop\", \"scrollbar-3d-light-color\",\n \"scrollbar-arrow-color\", \"scrollbar-base-color\", \"scrollbar-dark-shadow-color\",\n \"scrollbar-face-color\", \"scrollbar-highlight-color\", \"scrollbar-shadow-color\",\n \"scrollbar-track-color\", \"searchfield-cancel-button\", \"searchfield-decoration\",\n \"searchfield-results-button\", \"searchfield-results-decoration\", \"shape-inside\", \"zoom\"\n ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_);\n\n var fontProperties_ = [\n \"font-display\", \"font-family\", \"src\", \"unicode-range\", \"font-variant\",\n \"font-feature-settings\", \"font-stretch\", \"font-weight\", \"font-style\"\n ], fontProperties = keySet(fontProperties_);\n\n var counterDescriptors_ = [\n \"additive-symbols\", \"fallback\", \"negative\", \"pad\", \"prefix\", \"range\",\n \"speak-as\", \"suffix\", \"symbols\", \"system\"\n ], counterDescriptors = keySet(counterDescriptors_);\n\n var colorKeywords_ = [\n \"aliceblue\", \"antiquewhite\", \"aqua\", \"aquamarine\", \"azure\", \"beige\",\n \"bisque\", \"black\", \"blanchedalmond\", \"blue\", \"blueviolet\", \"brown\",\n \"burlywood\", \"cadetblue\", \"chartreuse\", \"chocolate\", \"coral\", \"cornflowerblue\",\n \"cornsilk\", \"crimson\", \"cyan\", \"darkblue\", \"darkcyan\", \"darkgoldenrod\",\n \"darkgray\", \"darkgreen\", \"darkgrey\", \"darkkhaki\", \"darkmagenta\", \"darkolivegreen\",\n \"darkorange\", \"darkorchid\", \"darkred\", \"darksalmon\", \"darkseagreen\",\n \"darkslateblue\", \"darkslategray\", \"darkslategrey\", \"darkturquoise\", \"darkviolet\",\n \"deeppink\", \"deepskyblue\", \"dimgray\", \"dimgrey\", \"dodgerblue\", \"firebrick\",\n \"floralwhite\", \"forestgreen\", \"fuchsia\", \"gainsboro\", \"ghostwhite\",\n \"gold\", \"goldenrod\", \"gray\", \"grey\", \"green\", \"greenyellow\", \"honeydew\",\n \"hotpink\", \"indianred\", \"indigo\", \"ivory\", \"khaki\", \"lavender\",\n \"lavenderblush\", \"lawngreen\", \"lemonchiffon\", \"lightblue\", \"lightcoral\",\n \"lightcyan\", \"lightgoldenrodyellow\", \"lightgray\", \"lightgreen\", \"lightgrey\", \"lightpink\",\n \"lightsalmon\", \"lightseagreen\", \"lightskyblue\", \"lightslategray\", \"lightslategrey\",\n \"lightsteelblue\", \"lightyellow\", \"lime\", \"limegreen\", \"linen\", \"magenta\",\n \"maroon\", \"mediumaquamarine\", \"mediumblue\", \"mediumorchid\", \"mediumpurple\",\n \"mediumseagreen\", \"mediumslateblue\", \"mediumspringgreen\", \"mediumturquoise\",\n \"mediumvioletred\", \"midnightblue\", \"mintcream\", \"mistyrose\", \"moccasin\",\n \"navajowhite\", \"navy\", \"oldlace\", \"olive\", \"olivedrab\", \"orange\", \"orangered\",\n \"orchid\", \"palegoldenrod\", \"palegreen\", \"paleturquoise\", \"palevioletred\",\n \"papayawhip\", \"peachpuff\", \"peru\", \"pink\", \"plum\", \"powderblue\",\n \"purple\", \"rebeccapurple\", \"red\", \"rosybrown\", \"royalblue\", \"saddlebrown\",\n \"salmon\", \"sandybrown\", \"seagreen\", \"seashell\", \"sienna\", \"silver\", \"skyblue\",\n \"slateblue\", \"slategray\", \"slategrey\", \"snow\", \"springgreen\", \"steelblue\", \"tan\",\n \"teal\", \"thistle\", \"tomato\", \"turquoise\", \"violet\", \"wheat\", \"white\",\n \"whitesmoke\", \"yellow\", \"yellowgreen\"\n ], colorKeywords = keySet(colorKeywords_);\n\n var valueKeywords_ = [\n \"above\", \"absolute\", \"activeborder\", \"additive\", \"activecaption\", \"afar\",\n \"after-white-space\", \"ahead\", \"alias\", \"all\", \"all-scroll\", \"alphabetic\", \"alternate\",\n \"always\", \"amharic\", \"amharic-abegede\", \"antialiased\", \"appworkspace\",\n \"arabic-indic\", \"armenian\", \"asterisks\", \"attr\", \"auto\", \"auto-flow\", \"avoid\", \"avoid-column\", \"avoid-page\",\n \"avoid-region\", \"axis-pan\", \"background\", \"backwards\", \"baseline\", \"below\", \"bidi-override\", \"binary\",\n \"bengali\", \"blink\", \"block\", \"block-axis\", \"blur\", \"bold\", \"bolder\", \"border\", \"border-box\",\n \"both\", \"bottom\", \"break\", \"break-all\", \"break-word\", \"brightness\", \"bullets\", \"button\",\n \"buttonface\", \"buttonhighlight\", \"buttonshadow\", \"buttontext\", \"calc\", \"cambodian\",\n \"capitalize\", \"caps-lock-indicator\", \"caption\", \"captiontext\", \"caret\",\n \"cell\", \"center\", \"checkbox\", \"circle\", \"cjk-decimal\", \"cjk-earthly-branch\",\n \"cjk-heavenly-stem\", \"cjk-ideographic\", \"clear\", \"clip\", \"close-quote\",\n \"col-resize\", \"collapse\", \"color\", \"color-burn\", \"color-dodge\", \"column\", \"column-reverse\",\n \"compact\", \"condensed\", \"conic-gradient\", \"contain\", \"content\", \"contents\",\n \"content-box\", \"context-menu\", \"continuous\", \"contrast\", \"copy\", \"counter\", \"counters\", \"cover\", \"crop\",\n \"cross\", \"crosshair\", \"cubic-bezier\", \"currentcolor\", \"cursive\", \"cyclic\", \"darken\", \"dashed\", \"decimal\",\n \"decimal-leading-zero\", \"default\", \"default-button\", \"dense\", \"destination-atop\",\n \"destination-in\", \"destination-out\", \"destination-over\", \"devanagari\", \"difference\",\n \"disc\", \"discard\", \"disclosure-closed\", \"disclosure-open\", \"document\",\n \"dot-dash\", \"dot-dot-dash\",\n \"dotted\", \"double\", \"down\", \"drop-shadow\", \"e-resize\", \"ease\", \"ease-in\", \"ease-in-out\", \"ease-out\",\n \"element\", \"ellipse\", \"ellipsis\", \"embed\", \"end\", \"ethiopic\", \"ethiopic-abegede\",\n \"ethiopic-abegede-am-et\", \"ethiopic-abegede-gez\", \"ethiopic-abegede-ti-er\",\n \"ethiopic-abegede-ti-et\", \"ethiopic-halehame-aa-er\",\n \"ethiopic-halehame-aa-et\", \"ethiopic-halehame-am-et\",\n \"ethiopic-halehame-gez\", \"ethiopic-halehame-om-et\",\n \"ethiopic-halehame-sid-et\", \"ethiopic-halehame-so-et\",\n \"ethiopic-halehame-ti-er\", \"ethiopic-halehame-ti-et\", \"ethiopic-halehame-tig\",\n \"ethiopic-numeric\", \"ew-resize\", \"exclusion\", \"expanded\", \"extends\", \"extra-condensed\",\n \"extra-expanded\", \"fantasy\", \"fast\", \"fill\", \"fill-box\", \"fixed\", \"flat\", \"flex\", \"flex-end\", \"flex-start\", \"footnotes\",\n \"forwards\", \"from\", \"geometricPrecision\", \"georgian\", \"grayscale\", \"graytext\", \"grid\", \"groove\",\n \"gujarati\", \"gurmukhi\", \"hand\", \"hangul\", \"hangul-consonant\", \"hard-light\", \"hebrew\",\n \"help\", \"hidden\", \"hide\", \"higher\", \"highlight\", \"highlighttext\",\n \"hiragana\", \"hiragana-iroha\", \"horizontal\", \"hsl\", \"hsla\", \"hue\", \"hue-rotate\", \"icon\", \"ignore\",\n \"inactiveborder\", \"inactivecaption\", \"inactivecaptiontext\", \"infinite\",\n \"infobackground\", \"infotext\", \"inherit\", \"initial\", \"inline\", \"inline-axis\",\n \"inline-block\", \"inline-flex\", \"inline-grid\", \"inline-table\", \"inset\", \"inside\", \"intrinsic\", \"invert\",\n \"italic\", \"japanese-formal\", \"japanese-informal\", \"justify\", \"kannada\",\n \"katakana\", \"katakana-iroha\", \"keep-all\", \"khmer\",\n \"korean-hangul-formal\", \"korean-hanja-formal\", \"korean-hanja-informal\",\n \"landscape\", \"lao\", \"large\", \"larger\", \"left\", \"level\", \"lighter\", \"lighten\",\n \"line-through\", \"linear\", \"linear-gradient\", \"lines\", \"list-item\", \"listbox\", \"listitem\",\n \"local\", \"logical\", \"loud\", \"lower\", \"lower-alpha\", \"lower-armenian\",\n \"lower-greek\", \"lower-hexadecimal\", \"lower-latin\", \"lower-norwegian\",\n \"lower-roman\", \"lowercase\", \"ltr\", \"luminosity\", \"malayalam\", \"manipulation\", \"match\", \"matrix\", \"matrix3d\",\n \"media-play-button\", \"media-slider\", \"media-sliderthumb\",\n \"media-volume-slider\", \"media-volume-sliderthumb\", \"medium\",\n \"menu\", \"menulist\", \"menulist-button\",\n \"menutext\", \"message-box\", \"middle\", \"min-intrinsic\",\n \"mix\", \"mongolian\", \"monospace\", \"move\", \"multiple\", \"multiple_mask_images\", \"multiply\", \"myanmar\", \"n-resize\",\n \"narrower\", \"ne-resize\", \"nesw-resize\", \"no-close-quote\", \"no-drop\",\n \"no-open-quote\", \"no-repeat\", \"none\", \"normal\", \"not-allowed\", \"nowrap\",\n \"ns-resize\", \"numbers\", \"numeric\", \"nw-resize\", \"nwse-resize\", \"oblique\", \"octal\", \"opacity\", \"open-quote\",\n \"optimizeLegibility\", \"optimizeSpeed\", \"oriya\", \"oromo\", \"outset\",\n \"outside\", \"outside-shape\", \"overlay\", \"overline\", \"padding\", \"padding-box\",\n \"painted\", \"page\", \"paused\", \"persian\", \"perspective\", \"pinch-zoom\", \"plus-darker\", \"plus-lighter\",\n \"pointer\", \"polygon\", \"portrait\", \"pre\", \"pre-line\", \"pre-wrap\", \"preserve-3d\",\n \"progress\", \"push-button\", \"radial-gradient\", \"radio\", \"read-only\",\n \"read-write\", \"read-write-plaintext-only\", \"rectangle\", \"region\",\n \"relative\", \"repeat\", \"repeating-linear-gradient\", \"repeating-radial-gradient\",\n \"repeating-conic-gradient\", \"repeat-x\", \"repeat-y\", \"reset\", \"reverse\",\n \"rgb\", \"rgba\", \"ridge\", \"right\", \"rotate\", \"rotate3d\", \"rotateX\", \"rotateY\",\n \"rotateZ\", \"round\", \"row\", \"row-resize\", \"row-reverse\", \"rtl\", \"run-in\", \"running\",\n \"s-resize\", \"sans-serif\", \"saturate\", \"saturation\", \"scale\", \"scale3d\", \"scaleX\", \"scaleY\", \"scaleZ\", \"screen\",\n \"scroll\", \"scrollbar\", \"scroll-position\", \"se-resize\", \"searchfield\",\n \"searchfield-cancel-button\", \"searchfield-decoration\",\n \"searchfield-results-button\", \"searchfield-results-decoration\", \"self-start\", \"self-end\",\n \"semi-condensed\", \"semi-expanded\", \"separate\", \"sepia\", \"serif\", \"show\", \"sidama\",\n \"simp-chinese-formal\", \"simp-chinese-informal\", \"single\",\n \"skew\", \"skewX\", \"skewY\", \"skip-white-space\", \"slide\", \"slider-horizontal\",\n \"slider-vertical\", \"sliderthumb-horizontal\", \"sliderthumb-vertical\", \"slow\",\n \"small\", \"small-caps\", \"small-caption\", \"smaller\", \"soft-light\", \"solid\", \"somali\",\n \"source-atop\", \"source-in\", \"source-out\", \"source-over\", \"space\", \"space-around\", \"space-between\", \"space-evenly\", \"spell-out\", \"square\",\n \"square-button\", \"start\", \"static\", \"status-bar\", \"stretch\", \"stroke\", \"stroke-box\", \"sub\",\n \"subpixel-antialiased\", \"svg_masks\", \"super\", \"sw-resize\", \"symbolic\", \"symbols\", \"system-ui\", \"table\",\n \"table-caption\", \"table-cell\", \"table-column\", \"table-column-group\",\n \"table-footer-group\", \"table-header-group\", \"table-row\", \"table-row-group\",\n \"tamil\",\n \"telugu\", \"text\", \"text-bottom\", \"text-top\", \"textarea\", \"textfield\", \"thai\",\n \"thick\", \"thin\", \"threeddarkshadow\", \"threedface\", \"threedhighlight\",\n \"threedlightshadow\", \"threedshadow\", \"tibetan\", \"tigre\", \"tigrinya-er\",\n \"tigrinya-er-abegede\", \"tigrinya-et\", \"tigrinya-et-abegede\", \"to\", \"top\",\n \"trad-chinese-formal\", \"trad-chinese-informal\", \"transform\",\n \"translate\", \"translate3d\", \"translateX\", \"translateY\", \"translateZ\",\n \"transparent\", \"ultra-condensed\", \"ultra-expanded\", \"underline\", \"unidirectional-pan\", \"unset\", \"up\",\n \"upper-alpha\", \"upper-armenian\", \"upper-greek\", \"upper-hexadecimal\",\n \"upper-latin\", \"upper-norwegian\", \"upper-roman\", \"uppercase\", \"urdu\", \"url\",\n \"var\", \"vertical\", \"vertical-text\", \"view-box\", \"visible\", \"visibleFill\", \"visiblePainted\",\n \"visibleStroke\", \"visual\", \"w-resize\", \"wait\", \"wave\", \"wider\",\n \"window\", \"windowframe\", \"windowtext\", \"words\", \"wrap\", \"wrap-reverse\", \"x-large\", \"x-small\", \"xor\",\n \"xx-large\", \"xx-small\"\n ], valueKeywords = keySet(valueKeywords_);\n\n var allWords = documentTypes_.concat(mediaTypes_).concat(mediaFeatures_).concat(mediaValueKeywords_)\n .concat(propertyKeywords_).concat(nonStandardPropertyKeywords_).concat(colorKeywords_)\n .concat(valueKeywords_);\n CodeMirror.registerHelper(\"hintWords\", \"css\", allWords);\n\n function tokenCComment(stream, state) {\n var maybeEnd = false, ch;\n while ((ch = stream.next()) != null) {\n if (maybeEnd && ch == \"/\") {\n state.tokenize = null;\n break;\n }\n maybeEnd = (ch == \"*\");\n }\n return [\"comment\", \"comment\"];\n }\n\n CodeMirror.defineMIME(\"text/css\", {\n documentTypes: documentTypes,\n mediaTypes: mediaTypes,\n mediaFeatures: mediaFeatures,\n mediaValueKeywords: mediaValueKeywords,\n propertyKeywords: propertyKeywords,\n nonStandardPropertyKeywords: nonStandardPropertyKeywords,\n fontProperties: fontProperties,\n counterDescriptors: counterDescriptors,\n colorKeywords: colorKeywords,\n valueKeywords: valueKeywords,\n tokenHooks: {\n \"/\": function(stream, state) {\n if (!stream.eat(\"*\")) return false;\n state.tokenize = tokenCComment;\n return tokenCComment(stream, state);\n }\n },\n name: \"css\"\n });\n\n CodeMirror.defineMIME(\"text/x-scss\", {\n mediaTypes: mediaTypes,\n mediaFeatures: mediaFeatures,\n mediaValueKeywords: mediaValueKeywords,\n propertyKeywords: propertyKeywords,\n nonStandardPropertyKeywords: nonStandardPropertyKeywords,\n colorKeywords: colorKeywords,\n valueKeywords: valueKeywords,\n fontProperties: fontProperties,\n allowNested: true,\n lineComment: \"//\",\n tokenHooks: {\n \"/\": function(stream, state) {\n if (stream.eat(\"/\")) {\n stream.skipToEnd();\n return [\"comment\", \"comment\"];\n } else if (stream.eat(\"*\")) {\n state.tokenize = tokenCComment;\n return tokenCComment(stream, state);\n } else {\n return [\"operator\", \"operator\"];\n }\n },\n \":\": function(stream) {\n if (stream.match(/^\\s*\\{/, false))\n return [null, null]\n return false;\n },\n \"$\": function(stream) {\n stream.match(/^[\\w-]+/);\n if (stream.match(/^\\s*:/, false))\n return [\"variable-2\", \"variable-definition\"];\n return [\"variable-2\", \"variable\"];\n },\n \"#\": function(stream) {\n if (!stream.eat(\"{\")) return false;\n return [null, \"interpolation\"];\n }\n },\n name: \"css\",\n helperType: \"scss\"\n });\n\n CodeMirror.defineMIME(\"text/x-less\", {\n mediaTypes: mediaTypes,\n mediaFeatures: mediaFeatures,\n mediaValueKeywords: mediaValueKeywords,\n propertyKeywords: propertyKeywords,\n nonStandardPropertyKeywords: nonStandardPropertyKeywords,\n colorKeywords: colorKeywords,\n valueKeywords: valueKeywords,\n fontProperties: fontProperties,\n allowNested: true,\n lineComment: \"//\",\n tokenHooks: {\n \"/\": function(stream, state) {\n if (stream.eat(\"/\")) {\n stream.skipToEnd();\n return [\"comment\", \"comment\"];\n } else if (stream.eat(\"*\")) {\n state.tokenize = tokenCComment;\n return tokenCComment(stream, state);\n } else {\n return [\"operator\", \"operator\"];\n }\n },\n \"@\": function(stream) {\n if (stream.eat(\"{\")) return [null, \"interpolation\"];\n if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\\b/i, false)) return false;\n stream.eatWhile(/[\\w\\\\\\-]/);\n if (stream.match(/^\\s*:/, false))\n return [\"variable-2\", \"variable-definition\"];\n return [\"variable-2\", \"variable\"];\n },\n \"&\": function() {\n return [\"atom\", \"atom\"];\n }\n },\n name: \"css\",\n helperType: \"less\"\n });\n\n CodeMirror.defineMIME(\"text/x-gss\", {\n documentTypes: documentTypes,\n mediaTypes: mediaTypes,\n mediaFeatures: mediaFeatures,\n propertyKeywords: propertyKeywords,\n nonStandardPropertyKeywords: nonStandardPropertyKeywords,\n fontProperties: fontProperties,\n counterDescriptors: counterDescriptors,\n colorKeywords: colorKeywords,\n valueKeywords: valueKeywords,\n supportsAtComponent: true,\n tokenHooks: {\n \"/\": function(stream, state) {\n if (!stream.eat(\"*\")) return false;\n state.tokenize = tokenCComment;\n return tokenCComment(stream, state);\n }\n },\n name: \"css\",\n helperType: \"gss\"\n });\n\n});\n", "// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/5/LICENSE\n\n(function(mod) {\n if (typeof exports == \"object\" && typeof module == \"object\") // CommonJS\n mod(require(\"../../lib/codemirror\"), require(\"../xml/xml\"), require(\"../javascript/javascript\"), require(\"../css/css\"));\n else if (typeof define == \"function\" && define.amd) // AMD\n define([\"../../lib/codemirror\", \"../xml/xml\", \"../javascript/javascript\", \"../css/css\"], mod);\n else // Plain browser env\n mod(CodeMirror);\n})(function(CodeMirror) {\n \"use strict\";\n\n var defaultTags = {\n script: [\n [\"lang\", /(javascript|babel)/i, \"javascript\"],\n [\"type\", /^(?:text|application)\\/(?:x-)?(?:java|ecma)script$|^module$|^$/i, \"javascript\"],\n [\"type\", /./, \"text/plain\"],\n [null, null, \"javascript\"]\n ],\n style: [\n [\"lang\", /^css$/i, \"css\"],\n [\"type\", /^(text\\/)?(x-)?(stylesheet|css)$/i, \"css\"],\n [\"type\", /./, \"text/plain\"],\n [null, null, \"css\"]\n ]\n };\n\n function maybeBackup(stream, pat, style) {\n var cur = stream.current(), close = cur.search(pat);\n if (close > -1) {\n stream.backUp(cur.length - close);\n } else if (cur.match(/<\\/?$/)) {\n stream.backUp(cur.length);\n if (!stream.match(pat, false)) stream.match(cur);\n }\n return style;\n }\n\n var attrRegexpCache = {};\n function getAttrRegexp(attr) {\n var regexp = attrRegexpCache[attr];\n if (regexp) return regexp;\n return attrRegexpCache[attr] = new RegExp(\"\\\\s+\" + attr + \"\\\\s*=\\\\s*('|\\\")?([^'\\\"]+)('|\\\")?\\\\s*\");\n }\n\n function getAttrValue(text, attr) {\n var match = text.match(getAttrRegexp(attr))\n return match ? /^\\s*(.*?)\\s*$/.exec(match[2])[1] : \"\"\n }\n\n function getTagRegexp(tagName, anchored) {\n return new RegExp((anchored ? \"^\" : \"\") + \"<\\/\\\\s*\" + tagName + \"\\\\s*>\", \"i\");\n }\n\n function addTags(from, to) {\n for (var tag in from) {\n var dest = to[tag] || (to[tag] = []);\n var source = from[tag];\n for (var i = source.length - 1; i >= 0; i--)\n dest.unshift(source[i])\n }\n }\n\n function findMatchingMode(tagInfo, tagText) {\n for (var i = 0; i < tagInfo.length; i++) {\n var spec = tagInfo[i];\n if (!spec[0] || spec[1].test(getAttrValue(tagText, spec[0]))) return spec[2];\n }\n }\n\n CodeMirror.defineMode(\"htmlmixed\", function (config, parserConfig) {\n var htmlMode = CodeMirror.getMode(config, {\n name: \"xml\",\n htmlMode: true,\n multilineTagIndentFactor: parserConfig.multilineTagIndentFactor,\n multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag,\n allowMissingTagName: parserConfig.allowMissingTagName,\n });\n\n var tags = {};\n var configTags = parserConfig && parserConfig.tags, configScript = parserConfig && parserConfig.scriptTypes;\n addTags(defaultTags, tags);\n if (configTags) addTags(configTags, tags);\n if (configScript) for (var i = configScript.length - 1; i >= 0; i--)\n tags.script.unshift([\"type\", configScript[i].matches, configScript[i].mode])\n\n function html(stream, state) {\n var style = htmlMode.token(stream, state.htmlState), tag = /\\btag\\b/.test(style), tagName\n if (tag && !/[<>\\s\\/]/.test(stream.current()) &&\n (tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase()) &&\n tags.hasOwnProperty(tagName)) {\n state.inTag = tagName + \" \"\n } else if (state.inTag && tag && />$/.test(stream.current())) {\n var inTag = /^([\\S]+) (.*)/.exec(state.inTag)\n state.inTag = null\n var modeSpec = stream.current() == \">\" && findMatchingMode(tags[inTag[1]], inTag[2])\n var mode = CodeMirror.getMode(config, modeSpec)\n var endTagA = getTagRegexp(inTag[1], true), endTag = getTagRegexp(inTag[1], false);\n state.token = function (stream, state) {\n if (stream.match(endTagA, false)) {\n state.token = html;\n state.localState = state.localMode = null;\n return null;\n }\n return maybeBackup(stream, endTag, state.localMode.token(stream, state.localState));\n };\n state.localMode = mode;\n state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, \"\", \"\"));\n } else if (state.inTag) {\n state.inTag += stream.current()\n if (stream.eol()) state.inTag += \" \"\n }\n return style;\n };\n\n return {\n startState: function () {\n var state = CodeMirror.startState(htmlMode);\n return {token: html, inTag: null, localMode: null, localState: null, htmlState: state};\n },\n\n copyState: function (state) {\n var local;\n if (state.localState) {\n local = CodeMirror.copyState(state.localMode, state.localState);\n }\n return {token: state.token, inTag: state.inTag,\n localMode: state.localMode, localState: local,\n htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};\n },\n\n token: function (stream, state) {\n return state.token(stream, state);\n },\n\n indent: function (state, textAfter, line) {\n if (!state.localMode || /^\\s*<\\//.test(textAfter))\n return htmlMode.indent(state.htmlState, textAfter, line);\n else if (state.localMode.indent)\n return state.localMode.indent(state.localState, textAfter, line);\n else\n return CodeMirror.Pass;\n },\n\n innerMode: function (state) {\n return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode};\n }\n };\n }, \"xml\", \"javascript\", \"css\");\n\n CodeMirror.defineMIME(\"text/html\", \"htmlmixed\");\n});\n", "/* eslint-disable no-multi-assign */\n\nfunction deepFreeze(obj) {\n if (obj instanceof Map) {\n obj.clear =\n obj.delete =\n obj.set =\n function () {\n throw new Error('map is read-only');\n };\n } else if (obj instanceof Set) {\n obj.add =\n obj.clear =\n obj.delete =\n function () {\n throw new Error('set is read-only');\n };\n }\n\n // Freeze self\n Object.freeze(obj);\n\n Object.getOwnPropertyNames(obj).forEach((name) => {\n const prop = obj[name];\n const type = typeof prop;\n\n // Freeze prop if it is an object or function and also not already frozen\n if ((type === 'object' || type === 'function') && !Object.isFrozen(prop)) {\n deepFreeze(prop);\n }\n });\n\n return obj;\n}\n\n/** @typedef {import('highlight.js').CallbackResponse} CallbackResponse */\n/** @typedef {import('highlight.js').CompiledMode} CompiledMode */\n/** @implements CallbackResponse */\n\nclass Response {\n /**\n * @param {CompiledMode} mode\n */\n constructor(mode) {\n // eslint-disable-next-line no-undefined\n if (mode.data === undefined) mode.data = {};\n\n this.data = mode.data;\n this.isMatchIgnored = false;\n }\n\n ignoreMatch() {\n this.isMatchIgnored = true;\n }\n}\n\n/**\n * @param {string} value\n * @returns {string}\n */\nfunction escapeHTML(value) {\n return value\n .replace(/&/g, '&')\n .replace(//g, '>')\n .replace(/\"/g, '"')\n .replace(/'/g, ''');\n}\n\n/**\n * performs a shallow merge of multiple objects into one\n *\n * @template T\n * @param {T} original\n * @param {Record[]} objects\n * @returns {T} a single new object\n */\nfunction inherit$1(original, ...objects) {\n /** @type Record */\n const result = Object.create(null);\n\n for (const key in original) {\n result[key] = original[key];\n }\n objects.forEach(function(obj) {\n for (const key in obj) {\n result[key] = obj[key];\n }\n });\n return /** @type {T} */ (result);\n}\n\n/**\n * @typedef {object} Renderer\n * @property {(text: string) => void} addText\n * @property {(node: Node) => void} openNode\n * @property {(node: Node) => void} closeNode\n * @property {() => string} value\n */\n\n/** @typedef {{scope?: string, language?: string, sublanguage?: boolean}} Node */\n/** @typedef {{walk: (r: Renderer) => void}} Tree */\n/** */\n\nconst SPAN_CLOSE = '';\n\n/**\n * Determines if a node needs to be wrapped in \n *\n * @param {Node} node */\nconst emitsWrappingTags = (node) => {\n // rarely we can have a sublanguage where language is undefined\n // TODO: track down why\n return !!node.scope;\n};\n\n/**\n *\n * @param {string} name\n * @param {{prefix:string}} options\n */\nconst scopeToCSSClass = (name, { prefix }) => {\n // sub-language\n if (name.startsWith(\"language:\")) {\n return name.replace(\"language:\", \"language-\");\n }\n // tiered scope: comment.line\n if (name.includes(\".\")) {\n const pieces = name.split(\".\");\n return [\n `${prefix}${pieces.shift()}`,\n ...(pieces.map((x, i) => `${x}${\"_\".repeat(i + 1)}`))\n ].join(\" \");\n }\n // simple scope\n return `${prefix}${name}`;\n};\n\n/** @type {Renderer} */\nclass HTMLRenderer {\n /**\n * Creates a new HTMLRenderer\n *\n * @param {Tree} parseTree - the parse tree (must support `walk` API)\n * @param {{classPrefix: string}} options\n */\n constructor(parseTree, options) {\n this.buffer = \"\";\n this.classPrefix = options.classPrefix;\n parseTree.walk(this);\n }\n\n /**\n * Adds texts to the output stream\n *\n * @param {string} text */\n addText(text) {\n this.buffer += escapeHTML(text);\n }\n\n /**\n * Adds a node open to the output stream (if needed)\n *\n * @param {Node} node */\n openNode(node) {\n if (!emitsWrappingTags(node)) return;\n\n const className = scopeToCSSClass(node.scope,\n { prefix: this.classPrefix });\n this.span(className);\n }\n\n /**\n * Adds a node close to the output stream (if needed)\n *\n * @param {Node} node */\n closeNode(node) {\n if (!emitsWrappingTags(node)) return;\n\n this.buffer += SPAN_CLOSE;\n }\n\n /**\n * returns the accumulated buffer\n */\n value() {\n return this.buffer;\n }\n\n // helpers\n\n /**\n * Builds a span element\n *\n * @param {string} className */\n span(className) {\n this.buffer += ``;\n }\n}\n\n/** @typedef {{scope?: string, language?: string, children: Node[]} | string} Node */\n/** @typedef {{scope?: string, language?: string, children: Node[]} } DataNode */\n/** @typedef {import('highlight.js').Emitter} Emitter */\n/** */\n\n/** @returns {DataNode} */\nconst newNode = (opts = {}) => {\n /** @type DataNode */\n const result = { children: [] };\n Object.assign(result, opts);\n return result;\n};\n\nclass TokenTree {\n constructor() {\n /** @type DataNode */\n this.rootNode = newNode();\n this.stack = [this.rootNode];\n }\n\n get top() {\n return this.stack[this.stack.length - 1];\n }\n\n get root() { return this.rootNode; }\n\n /** @param {Node} node */\n add(node) {\n this.top.children.push(node);\n }\n\n /** @param {string} scope */\n openNode(scope) {\n /** @type Node */\n const node = newNode({ scope });\n this.add(node);\n this.stack.push(node);\n }\n\n closeNode() {\n if (this.stack.length > 1) {\n return this.stack.pop();\n }\n // eslint-disable-next-line no-undefined\n return undefined;\n }\n\n closeAllNodes() {\n while (this.closeNode());\n }\n\n toJSON() {\n return JSON.stringify(this.rootNode, null, 4);\n }\n\n /**\n * @typedef { import(\"./html_renderer\").Renderer } Renderer\n * @param {Renderer} builder\n */\n walk(builder) {\n // this does not\n return this.constructor._walk(builder, this.rootNode);\n // this works\n // return TokenTree._walk(builder, this.rootNode);\n }\n\n /**\n * @param {Renderer} builder\n * @param {Node} node\n */\n static _walk(builder, node) {\n if (typeof node === \"string\") {\n builder.addText(node);\n } else if (node.children) {\n builder.openNode(node);\n node.children.forEach((child) => this._walk(builder, child));\n builder.closeNode(node);\n }\n return builder;\n }\n\n /**\n * @param {Node} node\n */\n static _collapse(node) {\n if (typeof node === \"string\") return;\n if (!node.children) return;\n\n if (node.children.every(el => typeof el === \"string\")) {\n // node.text = node.children.join(\"\");\n // delete node.children;\n node.children = [node.children.join(\"\")];\n } else {\n node.children.forEach((child) => {\n TokenTree._collapse(child);\n });\n }\n }\n}\n\n/**\n Currently this is all private API, but this is the minimal API necessary\n that an Emitter must implement to fully support the parser.\n\n Minimal interface:\n\n - addText(text)\n - __addSublanguage(emitter, subLanguageName)\n - startScope(scope)\n - endScope()\n - finalize()\n - toHTML()\n\n*/\n\n/**\n * @implements {Emitter}\n */\nclass TokenTreeEmitter extends TokenTree {\n /**\n * @param {*} options\n */\n constructor(options) {\n super();\n this.options = options;\n }\n\n /**\n * @param {string} text\n */\n addText(text) {\n if (text === \"\") { return; }\n\n this.add(text);\n }\n\n /** @param {string} scope */\n startScope(scope) {\n this.openNode(scope);\n }\n\n endScope() {\n this.closeNode();\n }\n\n /**\n * @param {Emitter & {root: DataNode}} emitter\n * @param {string} name\n */\n __addSublanguage(emitter, name) {\n /** @type DataNode */\n const node = emitter.root;\n if (name) node.scope = `language:${name}`;\n\n this.add(node);\n }\n\n toHTML() {\n const renderer = new HTMLRenderer(this, this.options);\n return renderer.value();\n }\n\n finalize() {\n this.closeAllNodes();\n return true;\n }\n}\n\n/**\n * @param {string} value\n * @returns {RegExp}\n * */\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction source(re) {\n if (!re) return null;\n if (typeof re === \"string\") return re;\n\n return re.source;\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction lookahead(re) {\n return concat('(?=', re, ')');\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction anyNumberOfTimes(re) {\n return concat('(?:', re, ')*');\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction optional(re) {\n return concat('(?:', re, ')?');\n}\n\n/**\n * @param {...(RegExp | string) } args\n * @returns {string}\n */\nfunction concat(...args) {\n const joined = args.map((x) => source(x)).join(\"\");\n return joined;\n}\n\n/**\n * @param { Array } args\n * @returns {object}\n */\nfunction stripOptionsFromArgs(args) {\n const opts = args[args.length - 1];\n\n if (typeof opts === 'object' && opts.constructor === Object) {\n args.splice(args.length - 1, 1);\n return opts;\n } else {\n return {};\n }\n}\n\n/** @typedef { {capture?: boolean} } RegexEitherOptions */\n\n/**\n * Any of the passed expresssions may match\n *\n * Creates a huge this | this | that | that match\n * @param {(RegExp | string)[] | [...(RegExp | string)[], RegexEitherOptions]} args\n * @returns {string}\n */\nfunction either(...args) {\n /** @type { object & {capture?: boolean} } */\n const opts = stripOptionsFromArgs(args);\n const joined = '('\n + (opts.capture ? \"\" : \"?:\")\n + args.map((x) => source(x)).join(\"|\") + \")\";\n return joined;\n}\n\n/**\n * @param {RegExp | string} re\n * @returns {number}\n */\nfunction countMatchGroups(re) {\n return (new RegExp(re.toString() + '|')).exec('').length - 1;\n}\n\n/**\n * Does lexeme start with a regular expression match at the beginning\n * @param {RegExp} re\n * @param {string} lexeme\n */\nfunction startsWith(re, lexeme) {\n const match = re && re.exec(lexeme);\n return match && match.index === 0;\n}\n\n// BACKREF_RE matches an open parenthesis or backreference. To avoid\n// an incorrect parse, it additionally matches the following:\n// - [...] elements, where the meaning of parentheses and escapes change\n// - other escape sequences, so we do not misparse escape sequences as\n// interesting elements\n// - non-matching or lookahead parentheses, which do not capture. These\n// follow the '(' with a '?'.\nconst BACKREF_RE = /\\[(?:[^\\\\\\]]|\\\\.)*\\]|\\(\\??|\\\\([1-9][0-9]*)|\\\\./;\n\n// **INTERNAL** Not intended for outside usage\n// join logically computes regexps.join(separator), but fixes the\n// backreferences so they continue to match.\n// it also places each individual regular expression into it's own\n// match group, keeping track of the sequencing of those match groups\n// is currently an exercise for the caller. :-)\n/**\n * @param {(string | RegExp)[]} regexps\n * @param {{joinWith: string}} opts\n * @returns {string}\n */\nfunction _rewriteBackreferences(regexps, { joinWith }) {\n let numCaptures = 0;\n\n return regexps.map((regex) => {\n numCaptures += 1;\n const offset = numCaptures;\n let re = source(regex);\n let out = '';\n\n while (re.length > 0) {\n const match = BACKREF_RE.exec(re);\n if (!match) {\n out += re;\n break;\n }\n out += re.substring(0, match.index);\n re = re.substring(match.index + match[0].length);\n if (match[0][0] === '\\\\' && match[1]) {\n // Adjust the backreference.\n out += '\\\\' + String(Number(match[1]) + offset);\n } else {\n out += match[0];\n if (match[0] === '(') {\n numCaptures++;\n }\n }\n }\n return out;\n }).map(re => `(${re})`).join(joinWith);\n}\n\n/** @typedef {import('highlight.js').Mode} Mode */\n/** @typedef {import('highlight.js').ModeCallback} ModeCallback */\n\n// Common regexps\nconst MATCH_NOTHING_RE = /\\b\\B/;\nconst IDENT_RE = '[a-zA-Z]\\\\w*';\nconst UNDERSCORE_IDENT_RE = '[a-zA-Z_]\\\\w*';\nconst NUMBER_RE = '\\\\b\\\\d+(\\\\.\\\\d+)?';\nconst C_NUMBER_RE = '(-?)(\\\\b0[xX][a-fA-F0-9]+|(\\\\b\\\\d+(\\\\.\\\\d*)?|\\\\.\\\\d+)([eE][-+]?\\\\d+)?)'; // 0x..., 0..., decimal, float\nconst BINARY_NUMBER_RE = '\\\\b(0b[01]+)'; // 0b...\nconst RE_STARTERS_RE = '!|!=|!==|%|%=|&|&&|&=|\\\\*|\\\\*=|\\\\+|\\\\+=|,|-|-=|/=|/|:|;|<<|<<=|<=|<|===|==|=|>>>=|>>=|>=|>>>|>>|>|\\\\?|\\\\[|\\\\{|\\\\(|\\\\^|\\\\^=|\\\\||\\\\|=|\\\\|\\\\||~';\n\n/**\n* @param { Partial & {binary?: string | RegExp} } opts\n*/\nconst SHEBANG = (opts = {}) => {\n const beginShebang = /^#![ ]*\\//;\n if (opts.binary) {\n opts.begin = concat(\n beginShebang,\n /.*\\b/,\n opts.binary,\n /\\b.*/);\n }\n return inherit$1({\n scope: 'meta',\n begin: beginShebang,\n end: /$/,\n relevance: 0,\n /** @type {ModeCallback} */\n \"on:begin\": (m, resp) => {\n if (m.index !== 0) resp.ignoreMatch();\n }\n }, opts);\n};\n\n// Common modes\nconst BACKSLASH_ESCAPE = {\n begin: '\\\\\\\\[\\\\s\\\\S]', relevance: 0\n};\nconst APOS_STRING_MODE = {\n scope: 'string',\n begin: '\\'',\n end: '\\'',\n illegal: '\\\\n',\n contains: [BACKSLASH_ESCAPE]\n};\nconst QUOTE_STRING_MODE = {\n scope: 'string',\n begin: '\"',\n end: '\"',\n illegal: '\\\\n',\n contains: [BACKSLASH_ESCAPE]\n};\nconst PHRASAL_WORDS_MODE = {\n begin: /\\b(a|an|the|are|I'm|isn't|don't|doesn't|won't|but|just|should|pretty|simply|enough|gonna|going|wtf|so|such|will|you|your|they|like|more)\\b/\n};\n/**\n * Creates a comment mode\n *\n * @param {string | RegExp} begin\n * @param {string | RegExp} end\n * @param {Mode | {}} [modeOptions]\n * @returns {Partial}\n */\nconst COMMENT = function(begin, end, modeOptions = {}) {\n const mode = inherit$1(\n {\n scope: 'comment',\n begin,\n end,\n contains: []\n },\n modeOptions\n );\n mode.contains.push({\n scope: 'doctag',\n // hack to avoid the space from being included. the space is necessary to\n // match here to prevent the plain text rule below from gobbling up doctags\n begin: '[ ]*(?=(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):)',\n end: /(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):/,\n excludeBegin: true,\n relevance: 0\n });\n const ENGLISH_WORD = either(\n // list of common 1 and 2 letter words in English\n \"I\",\n \"a\",\n \"is\",\n \"so\",\n \"us\",\n \"to\",\n \"at\",\n \"if\",\n \"in\",\n \"it\",\n \"on\",\n // note: this is not an exhaustive list of contractions, just popular ones\n /[A-Za-z]+['](d|ve|re|ll|t|s|n)/, // contractions - can't we'd they're let's, etc\n /[A-Za-z]+[-][a-z]+/, // `no-way`, etc.\n /[A-Za-z][a-z]{2,}/ // allow capitalized words at beginning of sentences\n );\n // looking like plain text, more likely to be a comment\n mode.contains.push(\n {\n // TODO: how to include \", (, ) without breaking grammars that use these for\n // comment delimiters?\n // begin: /[ ]+([()\"]?([A-Za-z'-]{3,}|is|a|I|so|us|[tT][oO]|at|if|in|it|on)[.]?[()\":]?([.][ ]|[ ]|\\))){3}/\n // ---\n\n // this tries to find sequences of 3 english words in a row (without any\n // \"programming\" type syntax) this gives us a strong signal that we've\n // TRULY found a comment - vs perhaps scanning with the wrong language.\n // It's possible to find something that LOOKS like the start of the\n // comment - but then if there is no readable text - good chance it is a\n // false match and not a comment.\n //\n // for a visual example please see:\n // https://github.com/highlightjs/highlight.js/issues/2827\n\n begin: concat(\n /[ ]+/, // necessary to prevent us gobbling up doctags like /* @author Bob Mcgill */\n '(',\n ENGLISH_WORD,\n /[.]?[:]?([.][ ]|[ ])/,\n '){3}') // look for 3 words in a row\n }\n );\n return mode;\n};\nconst C_LINE_COMMENT_MODE = COMMENT('//', '$');\nconst C_BLOCK_COMMENT_MODE = COMMENT('/\\\\*', '\\\\*/');\nconst HASH_COMMENT_MODE = COMMENT('#', '$');\nconst NUMBER_MODE = {\n scope: 'number',\n begin: NUMBER_RE,\n relevance: 0\n};\nconst C_NUMBER_MODE = {\n scope: 'number',\n begin: C_NUMBER_RE,\n relevance: 0\n};\nconst BINARY_NUMBER_MODE = {\n scope: 'number',\n begin: BINARY_NUMBER_RE,\n relevance: 0\n};\nconst REGEXP_MODE = {\n scope: \"regexp\",\n begin: /\\/(?=[^/\\n]*\\/)/,\n end: /\\/[gimuy]*/,\n contains: [\n BACKSLASH_ESCAPE,\n {\n begin: /\\[/,\n end: /\\]/,\n relevance: 0,\n contains: [BACKSLASH_ESCAPE]\n }\n ]\n};\nconst TITLE_MODE = {\n scope: 'title',\n begin: IDENT_RE,\n relevance: 0\n};\nconst UNDERSCORE_TITLE_MODE = {\n scope: 'title',\n begin: UNDERSCORE_IDENT_RE,\n relevance: 0\n};\nconst METHOD_GUARD = {\n // excludes method names from keyword processing\n begin: '\\\\.\\\\s*' + UNDERSCORE_IDENT_RE,\n relevance: 0\n};\n\n/**\n * Adds end same as begin mechanics to a mode\n *\n * Your mode must include at least a single () match group as that first match\n * group is what is used for comparison\n * @param {Partial} mode\n */\nconst END_SAME_AS_BEGIN = function(mode) {\n return Object.assign(mode,\n {\n /** @type {ModeCallback} */\n 'on:begin': (m, resp) => { resp.data._beginMatch = m[1]; },\n /** @type {ModeCallback} */\n 'on:end': (m, resp) => { if (resp.data._beginMatch !== m[1]) resp.ignoreMatch(); }\n });\n};\n\nvar MODES = /*#__PURE__*/Object.freeze({\n __proto__: null,\n APOS_STRING_MODE: APOS_STRING_MODE,\n BACKSLASH_ESCAPE: BACKSLASH_ESCAPE,\n BINARY_NUMBER_MODE: BINARY_NUMBER_MODE,\n BINARY_NUMBER_RE: BINARY_NUMBER_RE,\n COMMENT: COMMENT,\n C_BLOCK_COMMENT_MODE: C_BLOCK_COMMENT_MODE,\n C_LINE_COMMENT_MODE: C_LINE_COMMENT_MODE,\n C_NUMBER_MODE: C_NUMBER_MODE,\n C_NUMBER_RE: C_NUMBER_RE,\n END_SAME_AS_BEGIN: END_SAME_AS_BEGIN,\n HASH_COMMENT_MODE: HASH_COMMENT_MODE,\n IDENT_RE: IDENT_RE,\n MATCH_NOTHING_RE: MATCH_NOTHING_RE,\n METHOD_GUARD: METHOD_GUARD,\n NUMBER_MODE: NUMBER_MODE,\n NUMBER_RE: NUMBER_RE,\n PHRASAL_WORDS_MODE: PHRASAL_WORDS_MODE,\n QUOTE_STRING_MODE: QUOTE_STRING_MODE,\n REGEXP_MODE: REGEXP_MODE,\n RE_STARTERS_RE: RE_STARTERS_RE,\n SHEBANG: SHEBANG,\n TITLE_MODE: TITLE_MODE,\n UNDERSCORE_IDENT_RE: UNDERSCORE_IDENT_RE,\n UNDERSCORE_TITLE_MODE: UNDERSCORE_TITLE_MODE\n});\n\n/**\n@typedef {import('highlight.js').CallbackResponse} CallbackResponse\n@typedef {import('highlight.js').CompilerExt} CompilerExt\n*/\n\n// Grammar extensions / plugins\n// See: https://github.com/highlightjs/highlight.js/issues/2833\n\n// Grammar extensions allow \"syntactic sugar\" to be added to the grammar modes\n// without requiring any underlying changes to the compiler internals.\n\n// `compileMatch` being the perfect small example of now allowing a grammar\n// author to write `match` when they desire to match a single expression rather\n// than being forced to use `begin`. The extension then just moves `match` into\n// `begin` when it runs. Ie, no features have been added, but we've just made\n// the experience of writing (and reading grammars) a little bit nicer.\n\n// ------\n\n// TODO: We need negative look-behind support to do this properly\n/**\n * Skip a match if it has a preceding dot\n *\n * This is used for `beginKeywords` to prevent matching expressions such as\n * `bob.keyword.do()`. The mode compiler automatically wires this up as a\n * special _internal_ 'on:begin' callback for modes with `beginKeywords`\n * @param {RegExpMatchArray} match\n * @param {CallbackResponse} response\n */\nfunction skipIfHasPrecedingDot(match, response) {\n const before = match.input[match.index - 1];\n if (before === \".\") {\n response.ignoreMatch();\n }\n}\n\n/**\n *\n * @type {CompilerExt}\n */\nfunction scopeClassName(mode, _parent) {\n // eslint-disable-next-line no-undefined\n if (mode.className !== undefined) {\n mode.scope = mode.className;\n delete mode.className;\n }\n}\n\n/**\n * `beginKeywords` syntactic sugar\n * @type {CompilerExt}\n */\nfunction beginKeywords(mode, parent) {\n if (!parent) return;\n if (!mode.beginKeywords) return;\n\n // for languages with keywords that include non-word characters checking for\n // a word boundary is not sufficient, so instead we check for a word boundary\n // or whitespace - this does no harm in any case since our keyword engine\n // doesn't allow spaces in keywords anyways and we still check for the boundary\n // first\n mode.begin = '\\\\b(' + mode.beginKeywords.split(' ').join('|') + ')(?!\\\\.)(?=\\\\b|\\\\s)';\n mode.__beforeBegin = skipIfHasPrecedingDot;\n mode.keywords = mode.keywords || mode.beginKeywords;\n delete mode.beginKeywords;\n\n // prevents double relevance, the keywords themselves provide\n // relevance, the mode doesn't need to double it\n // eslint-disable-next-line no-undefined\n if (mode.relevance === undefined) mode.relevance = 0;\n}\n\n/**\n * Allow `illegal` to contain an array of illegal values\n * @type {CompilerExt}\n */\nfunction compileIllegal(mode, _parent) {\n if (!Array.isArray(mode.illegal)) return;\n\n mode.illegal = either(...mode.illegal);\n}\n\n/**\n * `match` to match a single expression for readability\n * @type {CompilerExt}\n */\nfunction compileMatch(mode, _parent) {\n if (!mode.match) return;\n if (mode.begin || mode.end) throw new Error(\"begin & end are not supported with match\");\n\n mode.begin = mode.match;\n delete mode.match;\n}\n\n/**\n * provides the default 1 relevance to all modes\n * @type {CompilerExt}\n */\nfunction compileRelevance(mode, _parent) {\n // eslint-disable-next-line no-undefined\n if (mode.relevance === undefined) mode.relevance = 1;\n}\n\n// allow beforeMatch to act as a \"qualifier\" for the match\n// the full match begin must be [beforeMatch][begin]\nconst beforeMatchExt = (mode, parent) => {\n if (!mode.beforeMatch) return;\n // starts conflicts with endsParent which we need to make sure the child\n // rule is not matched multiple times\n if (mode.starts) throw new Error(\"beforeMatch cannot be used with starts\");\n\n const originalMode = Object.assign({}, mode);\n Object.keys(mode).forEach((key) => { delete mode[key]; });\n\n mode.keywords = originalMode.keywords;\n mode.begin = concat(originalMode.beforeMatch, lookahead(originalMode.begin));\n mode.starts = {\n relevance: 0,\n contains: [\n Object.assign(originalMode, { endsParent: true })\n ]\n };\n mode.relevance = 0;\n\n delete originalMode.beforeMatch;\n};\n\n// keywords that should have no default relevance value\nconst COMMON_KEYWORDS = [\n 'of',\n 'and',\n 'for',\n 'in',\n 'not',\n 'or',\n 'if',\n 'then',\n 'parent', // common variable name\n 'list', // common variable name\n 'value' // common variable name\n];\n\nconst DEFAULT_KEYWORD_SCOPE = \"keyword\";\n\n/**\n * Given raw keywords from a language definition, compile them.\n *\n * @param {string | Record | Array} rawKeywords\n * @param {boolean} caseInsensitive\n */\nfunction compileKeywords(rawKeywords, caseInsensitive, scopeName = DEFAULT_KEYWORD_SCOPE) {\n /** @type {import(\"highlight.js/private\").KeywordDict} */\n const compiledKeywords = Object.create(null);\n\n // input can be a string of keywords, an array of keywords, or a object with\n // named keys representing scopeName (which can then point to a string or array)\n if (typeof rawKeywords === 'string') {\n compileList(scopeName, rawKeywords.split(\" \"));\n } else if (Array.isArray(rawKeywords)) {\n compileList(scopeName, rawKeywords);\n } else {\n Object.keys(rawKeywords).forEach(function(scopeName) {\n // collapse all our objects back into the parent object\n Object.assign(\n compiledKeywords,\n compileKeywords(rawKeywords[scopeName], caseInsensitive, scopeName)\n );\n });\n }\n return compiledKeywords;\n\n // ---\n\n /**\n * Compiles an individual list of keywords\n *\n * Ex: \"for if when while|5\"\n *\n * @param {string} scopeName\n * @param {Array} keywordList\n */\n function compileList(scopeName, keywordList) {\n if (caseInsensitive) {\n keywordList = keywordList.map(x => x.toLowerCase());\n }\n keywordList.forEach(function(keyword) {\n const pair = keyword.split('|');\n compiledKeywords[pair[0]] = [scopeName, scoreForKeyword(pair[0], pair[1])];\n });\n }\n}\n\n/**\n * Returns the proper score for a given keyword\n *\n * Also takes into account comment keywords, which will be scored 0 UNLESS\n * another score has been manually assigned.\n * @param {string} keyword\n * @param {string} [providedScore]\n */\nfunction scoreForKeyword(keyword, providedScore) {\n // manual scores always win over common keywords\n // so you can force a score of 1 if you really insist\n if (providedScore) {\n return Number(providedScore);\n }\n\n return commonKeyword(keyword) ? 0 : 1;\n}\n\n/**\n * Determines if a given keyword is common or not\n *\n * @param {string} keyword */\nfunction commonKeyword(keyword) {\n return COMMON_KEYWORDS.includes(keyword.toLowerCase());\n}\n\n/*\n\nFor the reasoning behind this please see:\nhttps://github.com/highlightjs/highlight.js/issues/2880#issuecomment-747275419\n\n*/\n\n/**\n * @type {Record}\n */\nconst seenDeprecations = {};\n\n/**\n * @param {string} message\n */\nconst error = (message) => {\n console.error(message);\n};\n\n/**\n * @param {string} message\n * @param {any} args\n */\nconst warn = (message, ...args) => {\n console.log(`WARN: ${message}`, ...args);\n};\n\n/**\n * @param {string} version\n * @param {string} message\n */\nconst deprecated = (version, message) => {\n if (seenDeprecations[`${version}/${message}`]) return;\n\n console.log(`Deprecated as of ${version}. ${message}`);\n seenDeprecations[`${version}/${message}`] = true;\n};\n\n/* eslint-disable no-throw-literal */\n\n/**\n@typedef {import('highlight.js').CompiledMode} CompiledMode\n*/\n\nconst MultiClassError = new Error();\n\n/**\n * Renumbers labeled scope names to account for additional inner match\n * groups that otherwise would break everything.\n *\n * Lets say we 3 match scopes:\n *\n * { 1 => ..., 2 => ..., 3 => ... }\n *\n * So what we need is a clean match like this:\n *\n * (a)(b)(c) => [ \"a\", \"b\", \"c\" ]\n *\n * But this falls apart with inner match groups:\n *\n * (a)(((b)))(c) => [\"a\", \"b\", \"b\", \"b\", \"c\" ]\n *\n * Our scopes are now \"out of alignment\" and we're repeating `b` 3 times.\n * What needs to happen is the numbers are remapped:\n *\n * { 1 => ..., 2 => ..., 5 => ... }\n *\n * We also need to know that the ONLY groups that should be output\n * are 1, 2, and 5. This function handles this behavior.\n *\n * @param {CompiledMode} mode\n * @param {Array} regexes\n * @param {{key: \"beginScope\"|\"endScope\"}} opts\n */\nfunction remapScopeNames(mode, regexes, { key }) {\n let offset = 0;\n const scopeNames = mode[key];\n /** @type Record */\n const emit = {};\n /** @type Record */\n const positions = {};\n\n for (let i = 1; i <= regexes.length; i++) {\n positions[i + offset] = scopeNames[i];\n emit[i + offset] = true;\n offset += countMatchGroups(regexes[i - 1]);\n }\n // we use _emit to keep track of which match groups are \"top-level\" to avoid double\n // output from inside match groups\n mode[key] = positions;\n mode[key]._emit = emit;\n mode[key]._multi = true;\n}\n\n/**\n * @param {CompiledMode} mode\n */\nfunction beginMultiClass(mode) {\n if (!Array.isArray(mode.begin)) return;\n\n if (mode.skip || mode.excludeBegin || mode.returnBegin) {\n error(\"skip, excludeBegin, returnBegin not compatible with beginScope: {}\");\n throw MultiClassError;\n }\n\n if (typeof mode.beginScope !== \"object\" || mode.beginScope === null) {\n error(\"beginScope must be object\");\n throw MultiClassError;\n }\n\n remapScopeNames(mode, mode.begin, { key: \"beginScope\" });\n mode.begin = _rewriteBackreferences(mode.begin, { joinWith: \"\" });\n}\n\n/**\n * @param {CompiledMode} mode\n */\nfunction endMultiClass(mode) {\n if (!Array.isArray(mode.end)) return;\n\n if (mode.skip || mode.excludeEnd || mode.returnEnd) {\n error(\"skip, excludeEnd, returnEnd not compatible with endScope: {}\");\n throw MultiClassError;\n }\n\n if (typeof mode.endScope !== \"object\" || mode.endScope === null) {\n error(\"endScope must be object\");\n throw MultiClassError;\n }\n\n remapScopeNames(mode, mode.end, { key: \"endScope\" });\n mode.end = _rewriteBackreferences(mode.end, { joinWith: \"\" });\n}\n\n/**\n * this exists only to allow `scope: {}` to be used beside `match:`\n * Otherwise `beginScope` would necessary and that would look weird\n\n {\n match: [ /def/, /\\w+/ ]\n scope: { 1: \"keyword\" , 2: \"title\" }\n }\n\n * @param {CompiledMode} mode\n */\nfunction scopeSugar(mode) {\n if (mode.scope && typeof mode.scope === \"object\" && mode.scope !== null) {\n mode.beginScope = mode.scope;\n delete mode.scope;\n }\n}\n\n/**\n * @param {CompiledMode} mode\n */\nfunction MultiClass(mode) {\n scopeSugar(mode);\n\n if (typeof mode.beginScope === \"string\") {\n mode.beginScope = { _wrap: mode.beginScope };\n }\n if (typeof mode.endScope === \"string\") {\n mode.endScope = { _wrap: mode.endScope };\n }\n\n beginMultiClass(mode);\n endMultiClass(mode);\n}\n\n/**\n@typedef {import('highlight.js').Mode} Mode\n@typedef {import('highlight.js').CompiledMode} CompiledMode\n@typedef {import('highlight.js').Language} Language\n@typedef {import('highlight.js').HLJSPlugin} HLJSPlugin\n@typedef {import('highlight.js').CompiledLanguage} CompiledLanguage\n*/\n\n// compilation\n\n/**\n * Compiles a language definition result\n *\n * Given the raw result of a language definition (Language), compiles this so\n * that it is ready for highlighting code.\n * @param {Language} language\n * @returns {CompiledLanguage}\n */\nfunction compileLanguage(language) {\n /**\n * Builds a regex with the case sensitivity of the current language\n *\n * @param {RegExp | string} value\n * @param {boolean} [global]\n */\n function langRe(value, global) {\n return new RegExp(\n source(value),\n 'm'\n + (language.case_insensitive ? 'i' : '')\n + (language.unicodeRegex ? 'u' : '')\n + (global ? 'g' : '')\n );\n }\n\n /**\n Stores multiple regular expressions and allows you to quickly search for\n them all in a string simultaneously - returning the first match. It does\n this by creating a huge (a|b|c) regex - each individual item wrapped with ()\n and joined by `|` - using match groups to track position. When a match is\n found checking which position in the array has content allows us to figure\n out which of the original regexes / match groups triggered the match.\n\n The match object itself (the result of `Regex.exec`) is returned but also\n enhanced by merging in any meta-data that was registered with the regex.\n This is how we keep track of which mode matched, and what type of rule\n (`illegal`, `begin`, end, etc).\n */\n class MultiRegex {\n constructor() {\n this.matchIndexes = {};\n // @ts-ignore\n this.regexes = [];\n this.matchAt = 1;\n this.position = 0;\n }\n\n // @ts-ignore\n addRule(re, opts) {\n opts.position = this.position++;\n // @ts-ignore\n this.matchIndexes[this.matchAt] = opts;\n this.regexes.push([opts, re]);\n this.matchAt += countMatchGroups(re) + 1;\n }\n\n compile() {\n if (this.regexes.length === 0) {\n // avoids the need to check length every time exec is called\n // @ts-ignore\n this.exec = () => null;\n }\n const terminators = this.regexes.map(el => el[1]);\n this.matcherRe = langRe(_rewriteBackreferences(terminators, { joinWith: '|' }), true);\n this.lastIndex = 0;\n }\n\n /** @param {string} s */\n exec(s) {\n this.matcherRe.lastIndex = this.lastIndex;\n const match = this.matcherRe.exec(s);\n if (!match) { return null; }\n\n // eslint-disable-next-line no-undefined\n const i = match.findIndex((el, i) => i > 0 && el !== undefined);\n // @ts-ignore\n const matchData = this.matchIndexes[i];\n // trim off any earlier non-relevant match groups (ie, the other regex\n // match groups that make up the multi-matcher)\n match.splice(0, i);\n\n return Object.assign(match, matchData);\n }\n }\n\n /*\n Created to solve the key deficiently with MultiRegex - there is no way to\n test for multiple matches at a single location. Why would we need to do\n that? In the future a more dynamic engine will allow certain matches to be\n ignored. An example: if we matched say the 3rd regex in a large group but\n decided to ignore it - we'd need to started testing again at the 4th\n regex... but MultiRegex itself gives us no real way to do that.\n\n So what this class creates MultiRegexs on the fly for whatever search\n position they are needed.\n\n NOTE: These additional MultiRegex objects are created dynamically. For most\n grammars most of the time we will never actually need anything more than the\n first MultiRegex - so this shouldn't have too much overhead.\n\n Say this is our search group, and we match regex3, but wish to ignore it.\n\n regex1 | regex2 | regex3 | regex4 | regex5 ' ie, startAt = 0\n\n What we need is a new MultiRegex that only includes the remaining\n possibilities:\n\n regex4 | regex5 ' ie, startAt = 3\n\n This class wraps all that complexity up in a simple API... `startAt` decides\n where in the array of expressions to start doing the matching. It\n auto-increments, so if a match is found at position 2, then startAt will be\n set to 3. If the end is reached startAt will return to 0.\n\n MOST of the time the parser will be setting startAt manually to 0.\n */\n class ResumableMultiRegex {\n constructor() {\n // @ts-ignore\n this.rules = [];\n // @ts-ignore\n this.multiRegexes = [];\n this.count = 0;\n\n this.lastIndex = 0;\n this.regexIndex = 0;\n }\n\n // @ts-ignore\n getMatcher(index) {\n if (this.multiRegexes[index]) return this.multiRegexes[index];\n\n const matcher = new MultiRegex();\n this.rules.slice(index).forEach(([re, opts]) => matcher.addRule(re, opts));\n matcher.compile();\n this.multiRegexes[index] = matcher;\n return matcher;\n }\n\n resumingScanAtSamePosition() {\n return this.regexIndex !== 0;\n }\n\n considerAll() {\n this.regexIndex = 0;\n }\n\n // @ts-ignore\n addRule(re, opts) {\n this.rules.push([re, opts]);\n if (opts.type === \"begin\") this.count++;\n }\n\n /** @param {string} s */\n exec(s) {\n const m = this.getMatcher(this.regexIndex);\n m.lastIndex = this.lastIndex;\n let result = m.exec(s);\n\n // The following is because we have no easy way to say \"resume scanning at the\n // existing position but also skip the current rule ONLY\". What happens is\n // all prior rules are also skipped which can result in matching the wrong\n // thing. Example of matching \"booger\":\n\n // our matcher is [string, \"booger\", number]\n //\n // ....booger....\n\n // if \"booger\" is ignored then we'd really need a regex to scan from the\n // SAME position for only: [string, number] but ignoring \"booger\" (if it\n // was the first match), a simple resume would scan ahead who knows how\n // far looking only for \"number\", ignoring potential string matches (or\n // future \"booger\" matches that might be valid.)\n\n // So what we do: We execute two matchers, one resuming at the same\n // position, but the second full matcher starting at the position after:\n\n // /--- resume first regex match here (for [number])\n // |/---- full match here for [string, \"booger\", number]\n // vv\n // ....booger....\n\n // Which ever results in a match first is then used. So this 3-4 step\n // process essentially allows us to say \"match at this position, excluding\n // a prior rule that was ignored\".\n //\n // 1. Match \"booger\" first, ignore. Also proves that [string] does non match.\n // 2. Resume matching for [number]\n // 3. Match at index + 1 for [string, \"booger\", number]\n // 4. If #2 and #3 result in matches, which came first?\n if (this.resumingScanAtSamePosition()) {\n if (result && result.index === this.lastIndex) ; else { // use the second matcher result\n const m2 = this.getMatcher(0);\n m2.lastIndex = this.lastIndex + 1;\n result = m2.exec(s);\n }\n }\n\n if (result) {\n this.regexIndex += result.position + 1;\n if (this.regexIndex === this.count) {\n // wrap-around to considering all matches again\n this.considerAll();\n }\n }\n\n return result;\n }\n }\n\n /**\n * Given a mode, builds a huge ResumableMultiRegex that can be used to walk\n * the content and find matches.\n *\n * @param {CompiledMode} mode\n * @returns {ResumableMultiRegex}\n */\n function buildModeRegex(mode) {\n const mm = new ResumableMultiRegex();\n\n mode.contains.forEach(term => mm.addRule(term.begin, { rule: term, type: \"begin\" }));\n\n if (mode.terminatorEnd) {\n mm.addRule(mode.terminatorEnd, { type: \"end\" });\n }\n if (mode.illegal) {\n mm.addRule(mode.illegal, { type: \"illegal\" });\n }\n\n return mm;\n }\n\n /** skip vs abort vs ignore\n *\n * @skip - The mode is still entered and exited normally (and contains rules apply),\n * but all content is held and added to the parent buffer rather than being\n * output when the mode ends. Mostly used with `sublanguage` to build up\n * a single large buffer than can be parsed by sublanguage.\n *\n * - The mode begin ands ends normally.\n * - Content matched is added to the parent mode buffer.\n * - The parser cursor is moved forward normally.\n *\n * @abort - A hack placeholder until we have ignore. Aborts the mode (as if it\n * never matched) but DOES NOT continue to match subsequent `contains`\n * modes. Abort is bad/suboptimal because it can result in modes\n * farther down not getting applied because an earlier rule eats the\n * content but then aborts.\n *\n * - The mode does not begin.\n * - Content matched by `begin` is added to the mode buffer.\n * - The parser cursor is moved forward accordingly.\n *\n * @ignore - Ignores the mode (as if it never matched) and continues to match any\n * subsequent `contains` modes. Ignore isn't technically possible with\n * the current parser implementation.\n *\n * - The mode does not begin.\n * - Content matched by `begin` is ignored.\n * - The parser cursor is not moved forward.\n */\n\n /**\n * Compiles an individual mode\n *\n * This can raise an error if the mode contains certain detectable known logic\n * issues.\n * @param {Mode} mode\n * @param {CompiledMode | null} [parent]\n * @returns {CompiledMode | never}\n */\n function compileMode(mode, parent) {\n const cmode = /** @type CompiledMode */ (mode);\n if (mode.isCompiled) return cmode;\n\n [\n scopeClassName,\n // do this early so compiler extensions generally don't have to worry about\n // the distinction between match/begin\n compileMatch,\n MultiClass,\n beforeMatchExt\n ].forEach(ext => ext(mode, parent));\n\n language.compilerExtensions.forEach(ext => ext(mode, parent));\n\n // __beforeBegin is considered private API, internal use only\n mode.__beforeBegin = null;\n\n [\n beginKeywords,\n // do this later so compiler extensions that come earlier have access to the\n // raw array if they wanted to perhaps manipulate it, etc.\n compileIllegal,\n // default to 1 relevance if not specified\n compileRelevance\n ].forEach(ext => ext(mode, parent));\n\n mode.isCompiled = true;\n\n let keywordPattern = null;\n if (typeof mode.keywords === \"object\" && mode.keywords.$pattern) {\n // we need a copy because keywords might be compiled multiple times\n // so we can't go deleting $pattern from the original on the first\n // pass\n mode.keywords = Object.assign({}, mode.keywords);\n keywordPattern = mode.keywords.$pattern;\n delete mode.keywords.$pattern;\n }\n keywordPattern = keywordPattern || /\\w+/;\n\n if (mode.keywords) {\n mode.keywords = compileKeywords(mode.keywords, language.case_insensitive);\n }\n\n cmode.keywordPatternRe = langRe(keywordPattern, true);\n\n if (parent) {\n if (!mode.begin) mode.begin = /\\B|\\b/;\n cmode.beginRe = langRe(cmode.begin);\n if (!mode.end && !mode.endsWithParent) mode.end = /\\B|\\b/;\n if (mode.end) cmode.endRe = langRe(cmode.end);\n cmode.terminatorEnd = source(cmode.end) || '';\n if (mode.endsWithParent && parent.terminatorEnd) {\n cmode.terminatorEnd += (mode.end ? '|' : '') + parent.terminatorEnd;\n }\n }\n if (mode.illegal) cmode.illegalRe = langRe(/** @type {RegExp | string} */ (mode.illegal));\n if (!mode.contains) mode.contains = [];\n\n mode.contains = [].concat(...mode.contains.map(function(c) {\n return expandOrCloneMode(c === 'self' ? mode : c);\n }));\n mode.contains.forEach(function(c) { compileMode(/** @type Mode */ (c), cmode); });\n\n if (mode.starts) {\n compileMode(mode.starts, parent);\n }\n\n cmode.matcher = buildModeRegex(cmode);\n return cmode;\n }\n\n if (!language.compilerExtensions) language.compilerExtensions = [];\n\n // self is not valid at the top-level\n if (language.contains && language.contains.includes('self')) {\n throw new Error(\"ERR: contains `self` is not supported at the top-level of a language. See documentation.\");\n }\n\n // we need a null object, which inherit will guarantee\n language.classNameAliases = inherit$1(language.classNameAliases || {});\n\n return compileMode(/** @type Mode */ (language));\n}\n\n/**\n * Determines if a mode has a dependency on it's parent or not\n *\n * If a mode does have a parent dependency then often we need to clone it if\n * it's used in multiple places so that each copy points to the correct parent,\n * where-as modes without a parent can often safely be re-used at the bottom of\n * a mode chain.\n *\n * @param {Mode | null} mode\n * @returns {boolean} - is there a dependency on the parent?\n * */\nfunction dependencyOnParent(mode) {\n if (!mode) return false;\n\n return mode.endsWithParent || dependencyOnParent(mode.starts);\n}\n\n/**\n * Expands a mode or clones it if necessary\n *\n * This is necessary for modes with parental dependenceis (see notes on\n * `dependencyOnParent`) and for nodes that have `variants` - which must then be\n * exploded into their own individual modes at compile time.\n *\n * @param {Mode} mode\n * @returns {Mode | Mode[]}\n * */\nfunction expandOrCloneMode(mode) {\n if (mode.variants && !mode.cachedVariants) {\n mode.cachedVariants = mode.variants.map(function(variant) {\n return inherit$1(mode, { variants: null }, variant);\n });\n }\n\n // EXPAND\n // if we have variants then essentially \"replace\" the mode with the variants\n // this happens in compileMode, where this function is called from\n if (mode.cachedVariants) {\n return mode.cachedVariants;\n }\n\n // CLONE\n // if we have dependencies on parents then we need a unique\n // instance of ourselves, so we can be reused with many\n // different parents without issue\n if (dependencyOnParent(mode)) {\n return inherit$1(mode, { starts: mode.starts ? inherit$1(mode.starts) : null });\n }\n\n if (Object.isFrozen(mode)) {\n return inherit$1(mode);\n }\n\n // no special dependency issues, just return ourselves\n return mode;\n}\n\nvar version = \"11.9.0\";\n\nclass HTMLInjectionError extends Error {\n constructor(reason, html) {\n super(reason);\n this.name = \"HTMLInjectionError\";\n this.html = html;\n }\n}\n\n/*\nSyntax highlighting with language autodetection.\nhttps://highlightjs.org/\n*/\n\n\n\n/**\n@typedef {import('highlight.js').Mode} Mode\n@typedef {import('highlight.js').CompiledMode} CompiledMode\n@typedef {import('highlight.js').CompiledScope} CompiledScope\n@typedef {import('highlight.js').Language} Language\n@typedef {import('highlight.js').HLJSApi} HLJSApi\n@typedef {import('highlight.js').HLJSPlugin} HLJSPlugin\n@typedef {import('highlight.js').PluginEvent} PluginEvent\n@typedef {import('highlight.js').HLJSOptions} HLJSOptions\n@typedef {import('highlight.js').LanguageFn} LanguageFn\n@typedef {import('highlight.js').HighlightedHTMLElement} HighlightedHTMLElement\n@typedef {import('highlight.js').BeforeHighlightContext} BeforeHighlightContext\n@typedef {import('highlight.js/private').MatchType} MatchType\n@typedef {import('highlight.js/private').KeywordData} KeywordData\n@typedef {import('highlight.js/private').EnhancedMatch} EnhancedMatch\n@typedef {import('highlight.js/private').AnnotatedError} AnnotatedError\n@typedef {import('highlight.js').AutoHighlightResult} AutoHighlightResult\n@typedef {import('highlight.js').HighlightOptions} HighlightOptions\n@typedef {import('highlight.js').HighlightResult} HighlightResult\n*/\n\n\nconst escape = escapeHTML;\nconst inherit = inherit$1;\nconst NO_MATCH = Symbol(\"nomatch\");\nconst MAX_KEYWORD_HITS = 7;\n\n/**\n * @param {any} hljs - object that is extended (legacy)\n * @returns {HLJSApi}\n */\nconst HLJS = function(hljs) {\n // Global internal variables used within the highlight.js library.\n /** @type {Record} */\n const languages = Object.create(null);\n /** @type {Record} */\n const aliases = Object.create(null);\n /** @type {HLJSPlugin[]} */\n const plugins = [];\n\n // safe/production mode - swallows more errors, tries to keep running\n // even if a single syntax or parse hits a fatal error\n let SAFE_MODE = true;\n const LANGUAGE_NOT_FOUND = \"Could not find the language '{}', did you forget to load/include a language module?\";\n /** @type {Language} */\n const PLAINTEXT_LANGUAGE = { disableAutodetect: true, name: 'Plain text', contains: [] };\n\n // Global options used when within external APIs. This is modified when\n // calling the `hljs.configure` function.\n /** @type HLJSOptions */\n let options = {\n ignoreUnescapedHTML: false,\n throwUnescapedHTML: false,\n noHighlightRe: /^(no-?highlight)$/i,\n languageDetectRe: /\\blang(?:uage)?-([\\w-]+)\\b/i,\n classPrefix: 'hljs-',\n cssSelector: 'pre code',\n languages: null,\n // beta configuration options, subject to change, welcome to discuss\n // https://github.com/highlightjs/highlight.js/issues/1086\n __emitter: TokenTreeEmitter\n };\n\n /* Utility functions */\n\n /**\n * Tests a language name to see if highlighting should be skipped\n * @param {string} languageName\n */\n function shouldNotHighlight(languageName) {\n return options.noHighlightRe.test(languageName);\n }\n\n /**\n * @param {HighlightedHTMLElement} block - the HTML element to determine language for\n */\n function blockLanguage(block) {\n let classes = block.className + ' ';\n\n classes += block.parentNode ? block.parentNode.className : '';\n\n // language-* takes precedence over non-prefixed class names.\n const match = options.languageDetectRe.exec(classes);\n if (match) {\n const language = getLanguage(match[1]);\n if (!language) {\n warn(LANGUAGE_NOT_FOUND.replace(\"{}\", match[1]));\n warn(\"Falling back to no-highlight mode for this block.\", block);\n }\n return language ? match[1] : 'no-highlight';\n }\n\n return classes\n .split(/\\s+/)\n .find((_class) => shouldNotHighlight(_class) || getLanguage(_class));\n }\n\n /**\n * Core highlighting function.\n *\n * OLD API\n * highlight(lang, code, ignoreIllegals, continuation)\n *\n * NEW API\n * highlight(code, {lang, ignoreIllegals})\n *\n * @param {string} codeOrLanguageName - the language to use for highlighting\n * @param {string | HighlightOptions} optionsOrCode - the code to highlight\n * @param {boolean} [ignoreIllegals] - whether to ignore illegal matches, default is to bail\n *\n * @returns {HighlightResult} Result - an object that represents the result\n * @property {string} language - the language name\n * @property {number} relevance - the relevance score\n * @property {string} value - the highlighted HTML code\n * @property {string} code - the original raw code\n * @property {CompiledMode} top - top of the current mode stack\n * @property {boolean} illegal - indicates whether any illegal matches were found\n */\n function highlight(codeOrLanguageName, optionsOrCode, ignoreIllegals) {\n let code = \"\";\n let languageName = \"\";\n if (typeof optionsOrCode === \"object\") {\n code = codeOrLanguageName;\n ignoreIllegals = optionsOrCode.ignoreIllegals;\n languageName = optionsOrCode.language;\n } else {\n // old API\n deprecated(\"10.7.0\", \"highlight(lang, code, ...args) has been deprecated.\");\n deprecated(\"10.7.0\", \"Please use highlight(code, options) instead.\\nhttps://github.com/highlightjs/highlight.js/issues/2277\");\n languageName = codeOrLanguageName;\n code = optionsOrCode;\n }\n\n // https://github.com/highlightjs/highlight.js/issues/3149\n // eslint-disable-next-line no-undefined\n if (ignoreIllegals === undefined) { ignoreIllegals = true; }\n\n /** @type {BeforeHighlightContext} */\n const context = {\n code,\n language: languageName\n };\n // the plugin can change the desired language or the code to be highlighted\n // just be changing the object it was passed\n fire(\"before:highlight\", context);\n\n // a before plugin can usurp the result completely by providing it's own\n // in which case we don't even need to call highlight\n const result = context.result\n ? context.result\n : _highlight(context.language, context.code, ignoreIllegals);\n\n result.code = context.code;\n // the plugin can change anything in result to suite it\n fire(\"after:highlight\", result);\n\n return result;\n }\n\n /**\n * private highlight that's used internally and does not fire callbacks\n *\n * @param {string} languageName - the language to use for highlighting\n * @param {string} codeToHighlight - the code to highlight\n * @param {boolean?} [ignoreIllegals] - whether to ignore illegal matches, default is to bail\n * @param {CompiledMode?} [continuation] - current continuation mode, if any\n * @returns {HighlightResult} - result of the highlight operation\n */\n function _highlight(languageName, codeToHighlight, ignoreIllegals, continuation) {\n const keywordHits = Object.create(null);\n\n /**\n * Return keyword data if a match is a keyword\n * @param {CompiledMode} mode - current mode\n * @param {string} matchText - the textual match\n * @returns {KeywordData | false}\n */\n function keywordData(mode, matchText) {\n return mode.keywords[matchText];\n }\n\n function processKeywords() {\n if (!top.keywords) {\n emitter.addText(modeBuffer);\n return;\n }\n\n let lastIndex = 0;\n top.keywordPatternRe.lastIndex = 0;\n let match = top.keywordPatternRe.exec(modeBuffer);\n let buf = \"\";\n\n while (match) {\n buf += modeBuffer.substring(lastIndex, match.index);\n const word = language.case_insensitive ? match[0].toLowerCase() : match[0];\n const data = keywordData(top, word);\n if (data) {\n const [kind, keywordRelevance] = data;\n emitter.addText(buf);\n buf = \"\";\n\n keywordHits[word] = (keywordHits[word] || 0) + 1;\n if (keywordHits[word] <= MAX_KEYWORD_HITS) relevance += keywordRelevance;\n if (kind.startsWith(\"_\")) {\n // _ implied for relevance only, do not highlight\n // by applying a class name\n buf += match[0];\n } else {\n const cssClass = language.classNameAliases[kind] || kind;\n emitKeyword(match[0], cssClass);\n }\n } else {\n buf += match[0];\n }\n lastIndex = top.keywordPatternRe.lastIndex;\n match = top.keywordPatternRe.exec(modeBuffer);\n }\n buf += modeBuffer.substring(lastIndex);\n emitter.addText(buf);\n }\n\n function processSubLanguage() {\n if (modeBuffer === \"\") return;\n /** @type HighlightResult */\n let result = null;\n\n if (typeof top.subLanguage === 'string') {\n if (!languages[top.subLanguage]) {\n emitter.addText(modeBuffer);\n return;\n }\n result = _highlight(top.subLanguage, modeBuffer, true, continuations[top.subLanguage]);\n continuations[top.subLanguage] = /** @type {CompiledMode} */ (result._top);\n } else {\n result = highlightAuto(modeBuffer, top.subLanguage.length ? top.subLanguage : null);\n }\n\n // Counting embedded language score towards the host language may be disabled\n // with zeroing the containing mode relevance. Use case in point is Markdown that\n // allows XML everywhere and makes every XML snippet to have a much larger Markdown\n // score.\n if (top.relevance > 0) {\n relevance += result.relevance;\n }\n emitter.__addSublanguage(result._emitter, result.language);\n }\n\n function processBuffer() {\n if (top.subLanguage != null) {\n processSubLanguage();\n } else {\n processKeywords();\n }\n modeBuffer = '';\n }\n\n /**\n * @param {string} text\n * @param {string} scope\n */\n function emitKeyword(keyword, scope) {\n if (keyword === \"\") return;\n\n emitter.startScope(scope);\n emitter.addText(keyword);\n emitter.endScope();\n }\n\n /**\n * @param {CompiledScope} scope\n * @param {RegExpMatchArray} match\n */\n function emitMultiClass(scope, match) {\n let i = 1;\n const max = match.length - 1;\n while (i <= max) {\n if (!scope._emit[i]) { i++; continue; }\n const klass = language.classNameAliases[scope[i]] || scope[i];\n const text = match[i];\n if (klass) {\n emitKeyword(text, klass);\n } else {\n modeBuffer = text;\n processKeywords();\n modeBuffer = \"\";\n }\n i++;\n }\n }\n\n /**\n * @param {CompiledMode} mode - new mode to start\n * @param {RegExpMatchArray} match\n */\n function startNewMode(mode, match) {\n if (mode.scope && typeof mode.scope === \"string\") {\n emitter.openNode(language.classNameAliases[mode.scope] || mode.scope);\n }\n if (mode.beginScope) {\n // beginScope just wraps the begin match itself in a scope\n if (mode.beginScope._wrap) {\n emitKeyword(modeBuffer, language.classNameAliases[mode.beginScope._wrap] || mode.beginScope._wrap);\n modeBuffer = \"\";\n } else if (mode.beginScope._multi) {\n // at this point modeBuffer should just be the match\n emitMultiClass(mode.beginScope, match);\n modeBuffer = \"\";\n }\n }\n\n top = Object.create(mode, { parent: { value: top } });\n return top;\n }\n\n /**\n * @param {CompiledMode } mode - the mode to potentially end\n * @param {RegExpMatchArray} match - the latest match\n * @param {string} matchPlusRemainder - match plus remainder of content\n * @returns {CompiledMode | void} - the next mode, or if void continue on in current mode\n */\n function endOfMode(mode, match, matchPlusRemainder) {\n let matched = startsWith(mode.endRe, matchPlusRemainder);\n\n if (matched) {\n if (mode[\"on:end\"]) {\n const resp = new Response(mode);\n mode[\"on:end\"](match, resp);\n if (resp.isMatchIgnored) matched = false;\n }\n\n if (matched) {\n while (mode.endsParent && mode.parent) {\n mode = mode.parent;\n }\n return mode;\n }\n }\n // even if on:end fires an `ignore` it's still possible\n // that we might trigger the end node because of a parent mode\n if (mode.endsWithParent) {\n return endOfMode(mode.parent, match, matchPlusRemainder);\n }\n }\n\n /**\n * Handle matching but then ignoring a sequence of text\n *\n * @param {string} lexeme - string containing full match text\n */\n function doIgnore(lexeme) {\n if (top.matcher.regexIndex === 0) {\n // no more regexes to potentially match here, so we move the cursor forward one\n // space\n modeBuffer += lexeme[0];\n return 1;\n } else {\n // no need to move the cursor, we still have additional regexes to try and\n // match at this very spot\n resumeScanAtSamePosition = true;\n return 0;\n }\n }\n\n /**\n * Handle the start of a new potential mode match\n *\n * @param {EnhancedMatch} match - the current match\n * @returns {number} how far to advance the parse cursor\n */\n function doBeginMatch(match) {\n const lexeme = match[0];\n const newMode = match.rule;\n\n const resp = new Response(newMode);\n // first internal before callbacks, then the public ones\n const beforeCallbacks = [newMode.__beforeBegin, newMode[\"on:begin\"]];\n for (const cb of beforeCallbacks) {\n if (!cb) continue;\n cb(match, resp);\n if (resp.isMatchIgnored) return doIgnore(lexeme);\n }\n\n if (newMode.skip) {\n modeBuffer += lexeme;\n } else {\n if (newMode.excludeBegin) {\n modeBuffer += lexeme;\n }\n processBuffer();\n if (!newMode.returnBegin && !newMode.excludeBegin) {\n modeBuffer = lexeme;\n }\n }\n startNewMode(newMode, match);\n return newMode.returnBegin ? 0 : lexeme.length;\n }\n\n /**\n * Handle the potential end of mode\n *\n * @param {RegExpMatchArray} match - the current match\n */\n function doEndMatch(match) {\n const lexeme = match[0];\n const matchPlusRemainder = codeToHighlight.substring(match.index);\n\n const endMode = endOfMode(top, match, matchPlusRemainder);\n if (!endMode) { return NO_MATCH; }\n\n const origin = top;\n if (top.endScope && top.endScope._wrap) {\n processBuffer();\n emitKeyword(lexeme, top.endScope._wrap);\n } else if (top.endScope && top.endScope._multi) {\n processBuffer();\n emitMultiClass(top.endScope, match);\n } else if (origin.skip) {\n modeBuffer += lexeme;\n } else {\n if (!(origin.returnEnd || origin.excludeEnd)) {\n modeBuffer += lexeme;\n }\n processBuffer();\n if (origin.excludeEnd) {\n modeBuffer = lexeme;\n }\n }\n do {\n if (top.scope) {\n emitter.closeNode();\n }\n if (!top.skip && !top.subLanguage) {\n relevance += top.relevance;\n }\n top = top.parent;\n } while (top !== endMode.parent);\n if (endMode.starts) {\n startNewMode(endMode.starts, match);\n }\n return origin.returnEnd ? 0 : lexeme.length;\n }\n\n function processContinuations() {\n const list = [];\n for (let current = top; current !== language; current = current.parent) {\n if (current.scope) {\n list.unshift(current.scope);\n }\n }\n list.forEach(item => emitter.openNode(item));\n }\n\n /** @type {{type?: MatchType, index?: number, rule?: Mode}}} */\n let lastMatch = {};\n\n /**\n * Process an individual match\n *\n * @param {string} textBeforeMatch - text preceding the match (since the last match)\n * @param {EnhancedMatch} [match] - the match itself\n */\n function processLexeme(textBeforeMatch, match) {\n const lexeme = match && match[0];\n\n // add non-matched text to the current mode buffer\n modeBuffer += textBeforeMatch;\n\n if (lexeme == null) {\n processBuffer();\n return 0;\n }\n\n // we've found a 0 width match and we're stuck, so we need to advance\n // this happens when we have badly behaved rules that have optional matchers to the degree that\n // sometimes they can end up matching nothing at all\n // Ref: https://github.com/highlightjs/highlight.js/issues/2140\n if (lastMatch.type === \"begin\" && match.type === \"end\" && lastMatch.index === match.index && lexeme === \"\") {\n // spit the \"skipped\" character that our regex choked on back into the output sequence\n modeBuffer += codeToHighlight.slice(match.index, match.index + 1);\n if (!SAFE_MODE) {\n /** @type {AnnotatedError} */\n const err = new Error(`0 width match regex (${languageName})`);\n err.languageName = languageName;\n err.badRule = lastMatch.rule;\n throw err;\n }\n return 1;\n }\n lastMatch = match;\n\n if (match.type === \"begin\") {\n return doBeginMatch(match);\n } else if (match.type === \"illegal\" && !ignoreIllegals) {\n // illegal match, we do not continue processing\n /** @type {AnnotatedError} */\n const err = new Error('Illegal lexeme \"' + lexeme + '\" for mode \"' + (top.scope || '') + '\"');\n err.mode = top;\n throw err;\n } else if (match.type === \"end\") {\n const processed = doEndMatch(match);\n if (processed !== NO_MATCH) {\n return processed;\n }\n }\n\n // edge case for when illegal matches $ (end of line) which is technically\n // a 0 width match but not a begin/end match so it's not caught by the\n // first handler (when ignoreIllegals is true)\n if (match.type === \"illegal\" && lexeme === \"\") {\n // advance so we aren't stuck in an infinite loop\n return 1;\n }\n\n // infinite loops are BAD, this is a last ditch catch all. if we have a\n // decent number of iterations yet our index (cursor position in our\n // parsing) still 3x behind our index then something is very wrong\n // so we bail\n if (iterations > 100000 && iterations > match.index * 3) {\n const err = new Error('potential infinite loop, way more iterations than matches');\n throw err;\n }\n\n /*\n Why might be find ourselves here? An potential end match that was\n triggered but could not be completed. IE, `doEndMatch` returned NO_MATCH.\n (this could be because a callback requests the match be ignored, etc)\n\n This causes no real harm other than stopping a few times too many.\n */\n\n modeBuffer += lexeme;\n return lexeme.length;\n }\n\n const language = getLanguage(languageName);\n if (!language) {\n error(LANGUAGE_NOT_FOUND.replace(\"{}\", languageName));\n throw new Error('Unknown language: \"' + languageName + '\"');\n }\n\n const md = compileLanguage(language);\n let result = '';\n /** @type {CompiledMode} */\n let top = continuation || md;\n /** @type Record */\n const continuations = {}; // keep continuations for sub-languages\n const emitter = new options.__emitter(options);\n processContinuations();\n let modeBuffer = '';\n let relevance = 0;\n let index = 0;\n let iterations = 0;\n let resumeScanAtSamePosition = false;\n\n try {\n if (!language.__emitTokens) {\n top.matcher.considerAll();\n\n for (;;) {\n iterations++;\n if (resumeScanAtSamePosition) {\n // only regexes not matched previously will now be\n // considered for a potential match\n resumeScanAtSamePosition = false;\n } else {\n top.matcher.considerAll();\n }\n top.matcher.lastIndex = index;\n\n const match = top.matcher.exec(codeToHighlight);\n // console.log(\"match\", match[0], match.rule && match.rule.begin)\n\n if (!match) break;\n\n const beforeMatch = codeToHighlight.substring(index, match.index);\n const processedCount = processLexeme(beforeMatch, match);\n index = match.index + processedCount;\n }\n processLexeme(codeToHighlight.substring(index));\n } else {\n language.__emitTokens(codeToHighlight, emitter);\n }\n\n emitter.finalize();\n result = emitter.toHTML();\n\n return {\n language: languageName,\n value: result,\n relevance,\n illegal: false,\n _emitter: emitter,\n _top: top\n };\n } catch (err) {\n if (err.message && err.message.includes('Illegal')) {\n return {\n language: languageName,\n value: escape(codeToHighlight),\n illegal: true,\n relevance: 0,\n _illegalBy: {\n message: err.message,\n index,\n context: codeToHighlight.slice(index - 100, index + 100),\n mode: err.mode,\n resultSoFar: result\n },\n _emitter: emitter\n };\n } else if (SAFE_MODE) {\n return {\n language: languageName,\n value: escape(codeToHighlight),\n illegal: false,\n relevance: 0,\n errorRaised: err,\n _emitter: emitter,\n _top: top\n };\n } else {\n throw err;\n }\n }\n }\n\n /**\n * returns a valid highlight result, without actually doing any actual work,\n * auto highlight starts with this and it's possible for small snippets that\n * auto-detection may not find a better match\n * @param {string} code\n * @returns {HighlightResult}\n */\n function justTextHighlightResult(code) {\n const result = {\n value: escape(code),\n illegal: false,\n relevance: 0,\n _top: PLAINTEXT_LANGUAGE,\n _emitter: new options.__emitter(options)\n };\n result._emitter.addText(code);\n return result;\n }\n\n /**\n Highlighting with language detection. Accepts a string with the code to\n highlight. Returns an object with the following properties:\n\n - language (detected language)\n - relevance (int)\n - value (an HTML string with highlighting markup)\n - secondBest (object with the same structure for second-best heuristically\n detected language, may be absent)\n\n @param {string} code\n @param {Array} [languageSubset]\n @returns {AutoHighlightResult}\n */\n function highlightAuto(code, languageSubset) {\n languageSubset = languageSubset || options.languages || Object.keys(languages);\n const plaintext = justTextHighlightResult(code);\n\n const results = languageSubset.filter(getLanguage).filter(autoDetection).map(name =>\n _highlight(name, code, false)\n );\n results.unshift(plaintext); // plaintext is always an option\n\n const sorted = results.sort((a, b) => {\n // sort base on relevance\n if (a.relevance !== b.relevance) return b.relevance - a.relevance;\n\n // always award the tie to the base language\n // ie if C++ and Arduino are tied, it's more likely to be C++\n if (a.language && b.language) {\n if (getLanguage(a.language).supersetOf === b.language) {\n return 1;\n } else if (getLanguage(b.language).supersetOf === a.language) {\n return -1;\n }\n }\n\n // otherwise say they are equal, which has the effect of sorting on\n // relevance while preserving the original ordering - which is how ties\n // have historically been settled, ie the language that comes first always\n // wins in the case of a tie\n return 0;\n });\n\n const [best, secondBest] = sorted;\n\n /** @type {AutoHighlightResult} */\n const result = best;\n result.secondBest = secondBest;\n\n return result;\n }\n\n /**\n * Builds new class name for block given the language name\n *\n * @param {HTMLElement} element\n * @param {string} [currentLang]\n * @param {string} [resultLang]\n */\n function updateClassName(element, currentLang, resultLang) {\n const language = (currentLang && aliases[currentLang]) || resultLang;\n\n element.classList.add(\"hljs\");\n element.classList.add(`language-${language}`);\n }\n\n /**\n * Applies highlighting to a DOM node containing code.\n *\n * @param {HighlightedHTMLElement} element - the HTML element to highlight\n */\n function highlightElement(element) {\n /** @type HTMLElement */\n let node = null;\n const language = blockLanguage(element);\n\n if (shouldNotHighlight(language)) return;\n\n fire(\"before:highlightElement\",\n { el: element, language });\n\n if (element.dataset.highlighted) {\n console.log(\"Element previously highlighted. To highlight again, first unset `dataset.highlighted`.\", element);\n return;\n }\n\n // we should be all text, no child nodes (unescaped HTML) - this is possibly\n // an HTML injection attack - it's likely too late if this is already in\n // production (the code has likely already done its damage by the time\n // we're seeing it)... but we yell loudly about this so that hopefully it's\n // more likely to be caught in development before making it to production\n if (element.children.length > 0) {\n if (!options.ignoreUnescapedHTML) {\n console.warn(\"One of your code blocks includes unescaped HTML. This is a potentially serious security risk.\");\n console.warn(\"https://github.com/highlightjs/highlight.js/wiki/security\");\n console.warn(\"The element with unescaped HTML:\");\n console.warn(element);\n }\n if (options.throwUnescapedHTML) {\n const err = new HTMLInjectionError(\n \"One of your code blocks includes unescaped HTML.\",\n element.innerHTML\n );\n throw err;\n }\n }\n\n node = element;\n const text = node.textContent;\n const result = language ? highlight(text, { language, ignoreIllegals: true }) : highlightAuto(text);\n\n element.innerHTML = result.value;\n element.dataset.highlighted = \"yes\";\n updateClassName(element, language, result.language);\n element.result = {\n language: result.language,\n // TODO: remove with version 11.0\n re: result.relevance,\n relevance: result.relevance\n };\n if (result.secondBest) {\n element.secondBest = {\n language: result.secondBest.language,\n relevance: result.secondBest.relevance\n };\n }\n\n fire(\"after:highlightElement\", { el: element, result, text });\n }\n\n /**\n * Updates highlight.js global options with the passed options\n *\n * @param {Partial} userOptions\n */\n function configure(userOptions) {\n options = inherit(options, userOptions);\n }\n\n // TODO: remove v12, deprecated\n const initHighlighting = () => {\n highlightAll();\n deprecated(\"10.6.0\", \"initHighlighting() deprecated. Use highlightAll() now.\");\n };\n\n // TODO: remove v12, deprecated\n function initHighlightingOnLoad() {\n highlightAll();\n deprecated(\"10.6.0\", \"initHighlightingOnLoad() deprecated. Use highlightAll() now.\");\n }\n\n let wantsHighlight = false;\n\n /**\n * auto-highlights all pre>code elements on the page\n */\n function highlightAll() {\n // if we are called too early in the loading process\n if (document.readyState === \"loading\") {\n wantsHighlight = true;\n return;\n }\n\n const blocks = document.querySelectorAll(options.cssSelector);\n blocks.forEach(highlightElement);\n }\n\n function boot() {\n // if a highlight was requested before DOM was loaded, do now\n if (wantsHighlight) highlightAll();\n }\n\n // make sure we are in the browser environment\n if (typeof window !== 'undefined' && window.addEventListener) {\n window.addEventListener('DOMContentLoaded', boot, false);\n }\n\n /**\n * Register a language grammar module\n *\n * @param {string} languageName\n * @param {LanguageFn} languageDefinition\n */\n function registerLanguage(languageName, languageDefinition) {\n let lang = null;\n try {\n lang = languageDefinition(hljs);\n } catch (error$1) {\n error(\"Language definition for '{}' could not be registered.\".replace(\"{}\", languageName));\n // hard or soft error\n if (!SAFE_MODE) { throw error$1; } else { error(error$1); }\n // languages that have serious errors are replaced with essentially a\n // \"plaintext\" stand-in so that the code blocks will still get normal\n // css classes applied to them - and one bad language won't break the\n // entire highlighter\n lang = PLAINTEXT_LANGUAGE;\n }\n // give it a temporary name if it doesn't have one in the meta-data\n if (!lang.name) lang.name = languageName;\n languages[languageName] = lang;\n lang.rawDefinition = languageDefinition.bind(null, hljs);\n\n if (lang.aliases) {\n registerAliases(lang.aliases, { languageName });\n }\n }\n\n /**\n * Remove a language grammar module\n *\n * @param {string} languageName\n */\n function unregisterLanguage(languageName) {\n delete languages[languageName];\n for (const alias of Object.keys(aliases)) {\n if (aliases[alias] === languageName) {\n delete aliases[alias];\n }\n }\n }\n\n /**\n * @returns {string[]} List of language internal names\n */\n function listLanguages() {\n return Object.keys(languages);\n }\n\n /**\n * @param {string} name - name of the language to retrieve\n * @returns {Language | undefined}\n */\n function getLanguage(name) {\n name = (name || '').toLowerCase();\n return languages[name] || languages[aliases[name]];\n }\n\n /**\n *\n * @param {string|string[]} aliasList - single alias or list of aliases\n * @param {{languageName: string}} opts\n */\n function registerAliases(aliasList, { languageName }) {\n if (typeof aliasList === 'string') {\n aliasList = [aliasList];\n }\n aliasList.forEach(alias => { aliases[alias.toLowerCase()] = languageName; });\n }\n\n /**\n * Determines if a given language has auto-detection enabled\n * @param {string} name - name of the language\n */\n function autoDetection(name) {\n const lang = getLanguage(name);\n return lang && !lang.disableAutodetect;\n }\n\n /**\n * Upgrades the old highlightBlock plugins to the new\n * highlightElement API\n * @param {HLJSPlugin} plugin\n */\n function upgradePluginAPI(plugin) {\n // TODO: remove with v12\n if (plugin[\"before:highlightBlock\"] && !plugin[\"before:highlightElement\"]) {\n plugin[\"before:highlightElement\"] = (data) => {\n plugin[\"before:highlightBlock\"](\n Object.assign({ block: data.el }, data)\n );\n };\n }\n if (plugin[\"after:highlightBlock\"] && !plugin[\"after:highlightElement\"]) {\n plugin[\"after:highlightElement\"] = (data) => {\n plugin[\"after:highlightBlock\"](\n Object.assign({ block: data.el }, data)\n );\n };\n }\n }\n\n /**\n * @param {HLJSPlugin} plugin\n */\n function addPlugin(plugin) {\n upgradePluginAPI(plugin);\n plugins.push(plugin);\n }\n\n /**\n * @param {HLJSPlugin} plugin\n */\n function removePlugin(plugin) {\n const index = plugins.indexOf(plugin);\n if (index !== -1) {\n plugins.splice(index, 1);\n }\n }\n\n /**\n *\n * @param {PluginEvent} event\n * @param {any} args\n */\n function fire(event, args) {\n const cb = event;\n plugins.forEach(function(plugin) {\n if (plugin[cb]) {\n plugin[cb](args);\n }\n });\n }\n\n /**\n * DEPRECATED\n * @param {HighlightedHTMLElement} el\n */\n function deprecateHighlightBlock(el) {\n deprecated(\"10.7.0\", \"highlightBlock will be removed entirely in v12.0\");\n deprecated(\"10.7.0\", \"Please use highlightElement now.\");\n\n return highlightElement(el);\n }\n\n /* Interface definition */\n Object.assign(hljs, {\n highlight,\n highlightAuto,\n highlightAll,\n highlightElement,\n // TODO: Remove with v12 API\n highlightBlock: deprecateHighlightBlock,\n configure,\n initHighlighting,\n initHighlightingOnLoad,\n registerLanguage,\n unregisterLanguage,\n listLanguages,\n getLanguage,\n registerAliases,\n autoDetection,\n inherit,\n addPlugin,\n removePlugin\n });\n\n hljs.debugMode = function() { SAFE_MODE = false; };\n hljs.safeMode = function() { SAFE_MODE = true; };\n hljs.versionString = version;\n\n hljs.regex = {\n concat: concat,\n lookahead: lookahead,\n either: either,\n optional: optional,\n anyNumberOfTimes: anyNumberOfTimes\n };\n\n for (const key in MODES) {\n // @ts-ignore\n if (typeof MODES[key] === \"object\") {\n // @ts-ignore\n deepFreeze(MODES[key]);\n }\n }\n\n // merge all the modes/regexes into our main object\n Object.assign(hljs, MODES);\n\n return hljs;\n};\n\n// Other names for the variable may break build script\nconst highlight = HLJS({});\n\n// returns a new instance of the highlighter to be used for extensions\n// check https://github.com/wooorm/lowlight/issues/47\nhighlight.newInstance = () => HLJS({});\n\nmodule.exports = highlight;\nhighlight.HighlightJS = highlight;\nhighlight.default = highlight;\n", "//\n// strftime\n// github.com/samsonjs/strftime\n// @_sjs\n//\n// Copyright 2010 - 2021 Sami Samhuri \n//\n// MIT License\n// http://sjs.mit-license.org\n//\n\n; (function () {\n\n var Locales = {\n de_DE: {\n identifier: 'de-DE',\n days: ['Sonntag', 'Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag'],\n shortDays: ['So', 'Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa'],\n months: ['Januar', 'Februar', 'M\u00E4rz', 'April', 'Mai', 'Juni', 'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember'],\n shortMonths: ['Jan', 'Feb', 'M\u00E4r', 'Apr', 'Mai', 'Jun', 'Jul', 'Aug', 'Sep', 'Okt', 'Nov', 'Dez'],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d.%m.%Y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n en_CA: {\n identifier: 'en-CA',\n days: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],\n shortDays: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],\n months: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],\n shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],\n ordinalSuffixes: [\n 'st', 'nd', 'rd', 'th', 'th', 'th', 'th', 'th', 'th', 'th',\n 'th', 'th', 'th', 'th', 'th', 'th', 'th', 'th', 'th', 'th',\n 'st', 'nd', 'rd', 'th', 'th', 'th', 'th', 'th', 'th', 'th',\n 'st'\n ],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d/%m/%y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%r',\n x: '%D'\n }\n },\n\n en_US: {\n identifier: 'en-US',\n days: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],\n shortDays: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],\n months: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],\n shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],\n ordinalSuffixes: [\n 'st', 'nd', 'rd', 'th', 'th', 'th', 'th', 'th', 'th', 'th',\n 'th', 'th', 'th', 'th', 'th', 'th', 'th', 'th', 'th', 'th',\n 'st', 'nd', 'rd', 'th', 'th', 'th', 'th', 'th', 'th', 'th',\n 'st'\n ],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%m/%d/%y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%r',\n x: '%D'\n }\n },\n\n es_MX: {\n identifier: 'es-MX',\n days: ['domingo', 'lunes', 'martes', 'mi\u00E9rcoles', 'jueves', 'viernes', 's\u00E1bado'],\n shortDays: ['dom', 'lun', 'mar', 'mi\u00E9', 'jue', 'vie', 's\u00E1b'],\n months: ['enero', 'febrero', 'marzo', 'abril', 'mayo', 'junio', 'julio', 'agosto', 'septiembre', 'octubre', 'noviembre', 'diciembre'],\n shortMonths: ['ene', 'feb', 'mar', 'abr', 'may', 'jun', 'jul', 'ago', 'sep', 'oct', 'nov', 'dic'],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d/%m/%Y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n fr_FR: {\n identifier: 'fr-FR',\n days: ['dimanche', 'lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi'],\n shortDays: ['dim.', 'lun.', 'mar.', 'mer.', 'jeu.', 'ven.', 'sam.'],\n months: ['janvier', 'f\u00E9vrier', 'mars', 'avril', 'mai', 'juin', 'juillet', 'ao\u00FBt', 'septembre', 'octobre', 'novembre', 'd\u00E9cembre'],\n shortMonths: ['janv.', 'f\u00E9vr.', 'mars', 'avril', 'mai', 'juin', 'juil.', 'ao\u00FBt', 'sept.', 'oct.', 'nov.', 'd\u00E9c.'],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d/%m/%Y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n it_IT: {\n identifier: 'it-IT',\n days: ['domenica', 'luned\u00EC', 'marted\u00EC', 'mercoled\u00EC', 'gioved\u00EC', 'venerd\u00EC', 'sabato'],\n shortDays: ['dom', 'lun', 'mar', 'mer', 'gio', 'ven', 'sab'],\n months: ['gennaio', 'febbraio', 'marzo', 'aprile', 'maggio', 'giugno', 'luglio', 'agosto', 'settembre', 'ottobre', 'novembre', 'dicembre'],\n shortMonths: ['gen', 'feb', 'mar', 'apr', 'mag', 'giu', 'lug', 'ago', 'set', 'ott', 'nov', 'dic'],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d/%m/%Y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n nl_NL: {\n identifier: 'nl-NL',\n days: ['zondag', 'maandag', 'dinsdag', 'woensdag', 'donderdag', 'vrijdag', 'zaterdag'],\n shortDays: ['zo', 'ma', 'di', 'wo', 'do', 'vr', 'za'],\n months: ['januari', 'februari', 'maart', 'april', 'mei', 'juni', 'juli', 'augustus', 'september', 'oktober', 'november', 'december'],\n shortMonths: ['jan', 'feb', 'mrt', 'apr', 'mei', 'jun', 'jul', 'aug', 'sep', 'okt', 'nov', 'dec'],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d-%m-%y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n pt_BR: {\n identifier: 'pt-BR',\n days: ['domingo', 'segunda', 'ter\u00E7a', 'quarta', 'quinta', 'sexta', 's\u00E1bado'],\n shortDays: ['Dom', 'Seg', 'Ter', 'Qua', 'Qui', 'Sex', 'S\u00E1b'],\n months: ['janeiro', 'fevereiro', 'mar\u00E7o', 'abril', 'maio', 'junho', 'julho', 'agosto', 'setembro', 'outubro', 'novembro', 'dezembro'],\n shortMonths: ['Jan', 'Fev', 'Mar', 'Abr', 'Mai', 'Jun', 'Jul', 'Ago', 'Set', 'Out', 'Nov', 'Dez'],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d-%m-%Y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n ru_RU: {\n identifier: 'ru-RU',\n days: ['\u0412\u043E\u0441\u043A\u0440\u0435\u0441\u0435\u043D\u044C\u0435', '\u041F\u043E\u043D\u0435\u0434\u0435\u043B\u044C\u043D\u0438\u043A', '\u0412\u0442\u043E\u0440\u043D\u0438\u043A', '\u0421\u0440\u0435\u0434\u0430', '\u0427\u0435\u0442\u0432\u0435\u0440\u0433', '\u041F\u044F\u0442\u043D\u0438\u0446\u0430', '\u0421\u0443\u0431\u0431\u043E\u0442\u0430'],\n shortDays: ['\u0412\u0441', '\u041F\u043D', '\u0412\u0442', '\u0421\u0440', '\u0427\u0442', '\u041F\u0442', '\u0421\u0431'],\n months: ['\u042F\u043D\u0432\u0430\u0440\u044C', '\u0424\u0435\u0432\u0440\u0430\u043B\u044C', '\u041C\u0430\u0440\u0442', '\u0410\u043F\u0440\u0435\u043B\u044C', '\u041C\u0430\u0439', '\u0418\u044E\u043D\u044C', '\u0418\u044E\u043B\u044C', '\u0410\u0432\u0433\u0443\u0441\u0442', '\u0421\u0435\u043D\u0442\u044F\u0431\u0440\u044C', '\u041E\u043A\u0442\u044F\u0431\u0440\u044C', '\u041D\u043E\u044F\u0431\u0440\u044C', '\u0414\u0435\u043A\u0430\u0431\u0440\u044C'],\n shortMonths: ['\u044F\u043D\u0432', '\u0444\u0435\u0432', '\u043C\u0430\u0440', '\u0430\u043F\u0440', '\u043C\u0430\u0439', '\u0438\u044E\u043D', '\u0438\u044E\u043B', '\u0430\u0432\u0433', '\u0441\u0435\u043D', '\u043E\u043A\u0442', '\u043D\u043E\u044F', '\u0434\u0435\u043A'],\n AM: 'AM',\n PM: 'PM',\n am: 'am',\n pm: 'pm',\n formats: {\n c: '%a %d %b %Y %X',\n D: '%d.%m.%y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n tr_TR: {\n identifier: 'tr-TR',\n days: ['Pazar', 'Pazartesi', 'Sal\u0131', '\u00C7ar\u015Famba', 'Per\u015Fembe', 'Cuma', 'Cumartesi'],\n shortDays: ['Paz', 'Pzt', 'Sal', '\u00C7r\u015F', 'Pr\u015F', 'Cum', 'Cts'],\n months: ['Ocak', '\u015Eubat', 'Mart', 'Nisan', 'May\u0131s', 'Haziran', 'Temmuz', 'A\u011Fustos', 'Eyl\u00FCl', 'Ekim', 'Kas\u0131m', 'Aral\u0131k'],\n shortMonths: ['Oca', '\u015Eub', 'Mar', 'Nis', 'May', 'Haz', 'Tem', 'A\u011Fu', 'Eyl', 'Eki', 'Kas', 'Ara'],\n AM: '\u00D6\u00D6',\n PM: '\u00D6S',\n am: '\u00D6\u00D6',\n pm: '\u00D6S',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d-%m-%Y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%T',\n x: '%D'\n }\n },\n\n // By michaeljayt\n // https://github.com/michaeljayt/strftime/commit/bcb4c12743811d51e568175aa7bff3fd2a77cef3\n zh_CN: {\n identifier: 'zh-CN',\n days: ['\u661F\u671F\u65E5', '\u661F\u671F\u4E00', '\u661F\u671F\u4E8C', '\u661F\u671F\u4E09', '\u661F\u671F\u56DB', '\u661F\u671F\u4E94', '\u661F\u671F\u516D'],\n shortDays: ['\u65E5', '\u4E00', '\u4E8C', '\u4E09', '\u56DB', '\u4E94', '\u516D'],\n months: ['\u4E00\u6708', '\u4E8C\u6708', '\u4E09\u6708', '\u56DB\u6708', '\u4E94\u6708', '\u516D\u6708', '\u4E03\u6708', '\u516B\u6708', '\u4E5D\u6708', '\u5341\u6708', '\u5341\u4E00\u6708', '\u5341\u4E8C\u6708'],\n shortMonths: ['\u4E00\u6708', '\u4E8C\u6708', '\u4E09\u6708', '\u56DB\u6708', '\u4E94\u6708', '\u516D\u6708', '\u4E03\u6708', '\u516B\u6708', '\u4E5D\u6708', '\u5341\u6708', '\u5341\u4E00\u6708', '\u5341\u4E8C\u6708'],\n AM: '\u4E0A\u5348',\n PM: '\u4E0B\u5348',\n am: '\u4E0A\u5348',\n pm: '\u4E0B\u5348',\n formats: {\n c: '%a %d %b %Y %X %Z',\n D: '%d/%m/%y',\n F: '%Y-%m-%d',\n R: '%H:%M',\n r: '%I:%M:%S %p',\n T: '%H:%M:%S',\n v: '%e-%b-%Y',\n X: '%r',\n x: '%D'\n }\n }\n };\n\n var DefaultLocale = Locales['en_US'],\n defaultStrftime = new Strftime(DefaultLocale, 0, false),\n isCommonJS = typeof module !== 'undefined',\n namespace;\n\n // CommonJS / Node module\n if (isCommonJS) {\n namespace = module.exports = defaultStrftime;\n }\n // Browsers and other environments\n else {\n // Get the global object. Works in ES3, ES5, and ES5 strict mode.\n namespace = (function () { return this || (1, eval)('this'); }());\n namespace.strftime = defaultStrftime;\n }\n\n // Polyfill Date.now for old browsers.\n if (typeof Date.now !== 'function') {\n Date.now = function () {\n return +new Date();\n };\n }\n\n function Strftime(locale, customTimezoneOffset, useUtcTimezone) {\n var _locale = locale || DefaultLocale,\n _customTimezoneOffset = customTimezoneOffset || 0,\n _useUtcBasedDate = useUtcTimezone || false,\n\n // we store unix timestamp value here to not create new Date() each iteration (each millisecond)\n // Date.now() is 2 times faster than new Date()\n // while millisecond precise is enough here\n // this could be very helpful when strftime triggered a lot of times one by one\n _cachedDateTimestamp = 0,\n _cachedDate;\n\n function _strftime(format, date) {\n var timestamp;\n\n if (!date) {\n var currentTimestamp = Date.now();\n if (currentTimestamp > _cachedDateTimestamp) {\n _cachedDateTimestamp = currentTimestamp;\n _cachedDate = new Date(_cachedDateTimestamp);\n\n timestamp = _cachedDateTimestamp;\n\n if (_useUtcBasedDate) {\n // how to avoid duplication of date instantiation for utc here?\n // we tied to getTimezoneOffset of the current date\n _cachedDate = new Date(_cachedDateTimestamp + getTimestampToUtcOffsetFor(_cachedDate) + _customTimezoneOffset);\n }\n }\n else {\n timestamp = _cachedDateTimestamp;\n }\n date = _cachedDate;\n }\n else {\n timestamp = date.getTime();\n\n if (_useUtcBasedDate) {\n var utcOffset = getTimestampToUtcOffsetFor(date);\n date = new Date(timestamp + utcOffset + _customTimezoneOffset);\n // If we've crossed a DST boundary with this calculation we need to\n // adjust the new date accordingly or it will be off by an hour in UTC.\n if (getTimestampToUtcOffsetFor(date) !== utcOffset) {\n var newUTCOffset = getTimestampToUtcOffsetFor(date);\n date = new Date(timestamp + newUTCOffset + _customTimezoneOffset);\n }\n }\n }\n\n return _processFormat(format, date, _locale, timestamp);\n }\n\n function _processFormat(format, date, locale, timestamp) {\n var resultString = '',\n padding = null,\n isInScope = false,\n length = format.length,\n extendedTZ = false;\n\n for (var i = 0; i < length; i++) {\n\n var currentCharCode = format.charCodeAt(i);\n\n if (isInScope === true) {\n // '-'\n if (currentCharCode === 45) {\n padding = '';\n continue;\n }\n // '_'\n else if (currentCharCode === 95) {\n padding = ' ';\n continue;\n }\n // '0'\n else if (currentCharCode === 48) {\n padding = '0';\n continue;\n }\n // ':'\n else if (currentCharCode === 58) {\n if (extendedTZ) {\n warn(\"[WARNING] detected use of unsupported %:: or %::: modifiers to strftime\");\n }\n extendedTZ = true;\n continue;\n }\n\n switch (currentCharCode) {\n\n // Examples for new Date(0) in GMT\n\n // '%'\n // case '%':\n case 37:\n resultString += '%';\n break;\n\n // 'Thursday'\n // case 'A':\n case 65:\n resultString += locale.days[date.getDay()];\n break;\n\n // 'January'\n // case 'B':\n case 66:\n resultString += locale.months[date.getMonth()];\n break;\n\n // '19'\n // case 'C':\n case 67:\n resultString += padTill2(Math.floor(date.getFullYear() / 100), padding);\n break;\n\n // '01/01/70'\n // case 'D':\n case 68:\n resultString += _processFormat(locale.formats.D, date, locale, timestamp);\n break;\n\n // '1970-01-01'\n // case 'F':\n case 70:\n resultString += _processFormat(locale.formats.F, date, locale, timestamp);\n break;\n\n // '00'\n // case 'H':\n case 72:\n resultString += padTill2(date.getHours(), padding);\n break;\n\n // '12'\n // case 'I':\n case 73:\n resultString += padTill2(hours12(date.getHours()), padding);\n break;\n\n // '000'\n // case 'L':\n case 76:\n resultString += padTill3(Math.floor(timestamp % 1000));\n break;\n\n // '00'\n // case 'M':\n case 77:\n resultString += padTill2(date.getMinutes(), padding);\n break;\n\n // 'am'\n // case 'P':\n case 80:\n resultString += date.getHours() < 12 ? locale.am : locale.pm;\n break;\n\n // '00:00'\n // case 'R':\n case 82:\n resultString += _processFormat(locale.formats.R, date, locale, timestamp);\n break;\n\n // '00'\n // case 'S':\n case 83:\n resultString += padTill2(date.getSeconds(), padding);\n break;\n\n // '00:00:00'\n // case 'T':\n case 84:\n resultString += _processFormat(locale.formats.T, date, locale, timestamp);\n break;\n\n // '00'\n // case 'U':\n case 85:\n resultString += padTill2(weekNumber(date, 'sunday'), padding);\n break;\n\n // '00'\n // case 'W':\n case 87:\n resultString += padTill2(weekNumber(date, 'monday'), padding);\n break;\n\n // '16:00:00'\n // case 'X':\n case 88:\n resultString += _processFormat(locale.formats.X, date, locale, timestamp);\n break;\n\n // '1970'\n // case 'Y':\n case 89:\n resultString += date.getFullYear();\n break;\n\n // 'GMT'\n // case 'Z':\n case 90:\n if (_useUtcBasedDate && _customTimezoneOffset === 0) {\n resultString += \"GMT\";\n }\n else {\n var tzName = getTimezoneName(date);\n resultString += tzName || '';\n }\n break;\n\n // 'Thu'\n // case 'a':\n case 97:\n resultString += locale.shortDays[date.getDay()];\n break;\n\n // 'Jan'\n // case 'b':\n case 98:\n resultString += locale.shortMonths[date.getMonth()];\n break;\n\n // ''\n // case 'c':\n case 99:\n resultString += _processFormat(locale.formats.c, date, locale, timestamp);\n break;\n\n // '01'\n // case 'd':\n case 100:\n resultString += padTill2(date.getDate(), padding);\n break;\n\n // ' 1'\n // case 'e':\n case 101:\n resultString += padTill2(date.getDate(), padding == null ? ' ' : padding);\n break;\n\n // 'Jan'\n // case 'h':\n case 104:\n resultString += locale.shortMonths[date.getMonth()];\n break;\n\n // '000'\n // case 'j':\n case 106:\n var y = new Date(date.getFullYear(), 0, 1);\n var day = Math.ceil((date.getTime() - y.getTime()) / (1000 * 60 * 60 * 24));\n resultString += padTill3(day);\n break;\n\n // ' 0'\n // case 'k':\n case 107:\n resultString += padTill2(date.getHours(), padding == null ? ' ' : padding);\n break;\n\n // '12'\n // case 'l':\n case 108:\n resultString += padTill2(hours12(date.getHours()), padding == null ? ' ' : padding);\n break;\n\n // '01'\n // case 'm':\n case 109:\n resultString += padTill2(date.getMonth() + 1, padding);\n break;\n\n // '\\n'\n // case 'n':\n case 110:\n resultString += '\\n';\n break;\n\n // '1st'\n // case 'o':\n case 111:\n // Try to use an ordinal suffix from the locale, but fall back to using the old\n // function for compatibility with old locales that lack them.\n var day = date.getDate();\n if (locale.ordinalSuffixes) {\n resultString += String(day) + (locale.ordinalSuffixes[day - 1] || ordinal(day));\n }\n else {\n resultString += String(day) + ordinal(day);\n }\n break;\n\n // 'AM'\n // case 'p':\n case 112:\n resultString += date.getHours() < 12 ? locale.AM : locale.PM;\n break;\n\n // '12:00:00 AM'\n // case 'r':\n case 114:\n resultString += _processFormat(locale.formats.r, date, locale, timestamp);\n break;\n\n // '0'\n // case 's':\n case 115:\n resultString += Math.floor(timestamp / 1000);\n break;\n\n // '\\t'\n // case 't':\n case 116:\n resultString += '\\t';\n break;\n\n // '4'\n // case 'u':\n case 117:\n var day = date.getDay();\n resultString += day === 0 ? 7 : day;\n break; // 1 - 7, Monday is first day of the week\n\n // ' 1-Jan-1970'\n // case 'v':\n case 118:\n resultString += _processFormat(locale.formats.v, date, locale, timestamp);\n break;\n\n // '4'\n // case 'w':\n case 119:\n resultString += date.getDay();\n break; // 0 - 6, Sunday is first day of the week\n\n // '12/31/69'\n // case 'x':\n case 120:\n resultString += _processFormat(locale.formats.x, date, locale, timestamp);\n break;\n\n // '70'\n // case 'y':\n case 121:\n resultString += padTill2(date.getFullYear() % 100, padding);\n break;\n\n // '+0000'\n // case 'z':\n case 122:\n if (_useUtcBasedDate && _customTimezoneOffset === 0) {\n resultString += extendedTZ ? \"+00:00\" : \"+0000\";\n }\n else {\n var off;\n if (_customTimezoneOffset !== 0) {\n off = _customTimezoneOffset / (60 * 1000);\n }\n else {\n off = -date.getTimezoneOffset();\n }\n var sign = off < 0 ? '-' : '+';\n var sep = extendedTZ ? ':' : '';\n var hours = Math.floor(Math.abs(off / 60));\n var mins = Math.abs(off % 60);\n resultString += sign + padTill2(hours) + sep + padTill2(mins);\n }\n break;\n\n default:\n if (isInScope) {\n resultString += '%';\n }\n resultString += format[i];\n break;\n }\n\n padding = null;\n isInScope = false;\n continue;\n }\n\n // '%'\n if (currentCharCode === 37) {\n isInScope = true;\n continue;\n }\n\n resultString += format[i];\n }\n\n return resultString;\n }\n\n var strftime = _strftime;\n\n strftime.localize = function (locale) {\n return new Strftime(locale || _locale, _customTimezoneOffset, _useUtcBasedDate);\n };\n\n strftime.localizeByIdentifier = function (localeIdentifier) {\n var locale = Locales[localeIdentifier];\n if (!locale) {\n warn('[WARNING] No locale found with identifier \"' + localeIdentifier + '\".');\n return strftime;\n }\n return strftime.localize(locale);\n };\n\n strftime.timezone = function (timezone) {\n var customTimezoneOffset = _customTimezoneOffset;\n var useUtcBasedDate = _useUtcBasedDate;\n\n var timezoneType = typeof timezone;\n if (timezoneType === 'number' || timezoneType === 'string') {\n useUtcBasedDate = true;\n\n // ISO 8601 format timezone string, [-+]HHMM\n if (timezoneType === 'string') {\n var sign = timezone[0] === '-' ? -1 : 1,\n hours = parseInt(timezone.slice(1, 3), 10),\n minutes = parseInt(timezone.slice(3, 5), 10);\n\n customTimezoneOffset = sign * ((60 * hours) + minutes) * 60 * 1000;\n // in minutes: 420\n }\n else if (timezoneType === 'number') {\n customTimezoneOffset = timezone * 60 * 1000;\n }\n }\n\n return new Strftime(_locale, customTimezoneOffset, useUtcBasedDate);\n };\n\n strftime.utc = function () {\n return new Strftime(_locale, _customTimezoneOffset, true);\n };\n\n return strftime;\n }\n\n function padTill2(numberToPad, paddingChar) {\n if (paddingChar === '' || numberToPad > 9) {\n return '' + numberToPad;\n }\n if (paddingChar == null) {\n paddingChar = '0';\n }\n return paddingChar + numberToPad;\n }\n\n function padTill3(numberToPad) {\n if (numberToPad > 99) {\n return numberToPad;\n }\n if (numberToPad > 9) {\n return '0' + numberToPad;\n }\n return '00' + numberToPad;\n }\n\n function hours12(hour) {\n if (hour === 0) {\n return 12;\n }\n else if (hour > 12) {\n return hour - 12;\n }\n return hour;\n }\n\n // firstWeekday: 'sunday' or 'monday', default is 'sunday'\n //\n // Pilfered & ported from Ruby's strftime implementation.\n function weekNumber(date, firstWeekday) {\n firstWeekday = firstWeekday || 'sunday';\n\n // This works by shifting the weekday back by one day if we\n // are treating Monday as the first day of the week.\n var weekday = date.getDay();\n if (firstWeekday === 'monday') {\n if (weekday === 0) // Sunday\n weekday = 6;\n else\n weekday--;\n }\n\n var firstDayOfYearUtc = Date.UTC(date.getFullYear(), 0, 1),\n dateUtc = Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()),\n yday = Math.floor((dateUtc - firstDayOfYearUtc) / 86400000),\n weekNum = (yday + 7 - weekday) / 7;\n\n return Math.floor(weekNum);\n }\n\n // Get the ordinal suffix for a number: st, nd, rd, or th\n function ordinal(number) {\n var i = number % 10;\n var ii = number % 100;\n\n if ((ii >= 11 && ii <= 13) || i === 0 || i >= 4) {\n return 'th';\n }\n switch (i) {\n case 1: return 'st';\n case 2: return 'nd';\n case 3: return 'rd';\n }\n }\n\n function getTimestampToUtcOffsetFor(date) {\n return (date.getTimezoneOffset() || 0) * 60000;\n }\n\n // Tries to get a short timezone name using Date.toLocaleString, falling back on the platform default\n // using Date.toString if necessary.\n function getTimezoneName(date, localeIdentifier) {\n return getShortTimezoneName(date, localeIdentifier) || getDefaultTimezoneName(date);\n }\n\n // Unfortunately this returns GMT+2 when running with `TZ=Europe/Amsterdam node test.js` so it's not\n // perfect.\n function getShortTimezoneName(date, localeIdentifier) {\n if (localeIdentifier == null) return null;\n\n var tzString = date\n .toLocaleString(localeIdentifier, { timeZoneName: 'short' })\n .match(/\\s([\\w]+)$/);\n return tzString && tzString[1];\n }\n\n // This varies by platform so it's not an ideal way to get the time zone name. On most platforms it's\n // a short name but in Node v10+ and Chrome 66+ it's a long name now. Prefer getShortTimezoneName(date)\n // where possible.\n function getDefaultTimezoneName(date) {\n var tzString = date.toString().match(/\\(([\\w\\s]+)\\)/);\n return tzString && tzString[1];\n }\n\n function warn(message) {\n if (typeof console !== 'undefined' && typeof console.warn == 'function') {\n console.warn(message)\n }\n }\n\n}());\n", "/*!\nTurbo 8.0.10\nCopyright \u00A9 2024 37signals LLC\n */\n/**\n * The MIT License (MIT)\n *\n * Copyright (c) 2019 Javan Makhmali\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n(function (prototype) {\n if (typeof prototype.requestSubmit == \"function\") return\n\n prototype.requestSubmit = function (submitter) {\n if (submitter) {\n validateSubmitter(submitter, this);\n submitter.click();\n } else {\n submitter = document.createElement(\"input\");\n submitter.type = \"submit\";\n submitter.hidden = true;\n this.appendChild(submitter);\n submitter.click();\n this.removeChild(submitter);\n }\n };\n\n function validateSubmitter(submitter, form) {\n submitter instanceof HTMLElement || raise(TypeError, \"parameter 1 is not of type 'HTMLElement'\");\n submitter.type == \"submit\" || raise(TypeError, \"The specified element is not a submit button\");\n submitter.form == form ||\n raise(DOMException, \"The specified element is not owned by this form element\", \"NotFoundError\");\n }\n\n function raise(errorConstructor, message, name) {\n throw new errorConstructor(\"Failed to execute 'requestSubmit' on 'HTMLFormElement': \" + message + \".\", name)\n }\n})(HTMLFormElement.prototype);\n\nconst submittersByForm = new WeakMap();\n\nfunction findSubmitterFromClickTarget(target) {\n const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null;\n const candidate = element ? element.closest(\"input, button\") : null;\n return candidate?.type == \"submit\" ? candidate : null\n}\n\nfunction clickCaptured(event) {\n const submitter = findSubmitterFromClickTarget(event.target);\n\n if (submitter && submitter.form) {\n submittersByForm.set(submitter.form, submitter);\n }\n}\n\n(function () {\n if (\"submitter\" in Event.prototype) return\n\n let prototype = window.Event.prototype;\n // Certain versions of Safari 15 have a bug where they won't\n // populate the submitter. This hurts TurboDrive's enable/disable detection.\n // See https://bugs.webkit.org/show_bug.cgi?id=229660\n if (\"SubmitEvent\" in window) {\n const prototypeOfSubmitEvent = window.SubmitEvent.prototype;\n\n if (/Apple Computer/.test(navigator.vendor) && !(\"submitter\" in prototypeOfSubmitEvent)) {\n prototype = prototypeOfSubmitEvent;\n } else {\n return // polyfill not needed\n }\n }\n\n addEventListener(\"click\", clickCaptured, true);\n\n Object.defineProperty(prototype, \"submitter\", {\n get() {\n if (this.type == \"submit\" && this.target instanceof HTMLFormElement) {\n return submittersByForm.get(this.target)\n }\n }\n });\n})();\n\nconst FrameLoadingStyle = {\n eager: \"eager\",\n lazy: \"lazy\"\n};\n\n/**\n * Contains a fragment of HTML which is updated based on navigation within\n * it (e.g. via links or form submissions).\n *\n * @customElement turbo-frame\n * @example\n * \n * \n * Show all expanded messages in this frame.\n * \n *\n *
\n * Show response from this form within this frame.\n *
\n *
\n */\nclass FrameElement extends HTMLElement {\n static delegateConstructor = undefined\n\n loaded = Promise.resolve()\n\n static get observedAttributes() {\n return [\"disabled\", \"loading\", \"src\"]\n }\n\n constructor() {\n super();\n this.delegate = new FrameElement.delegateConstructor(this);\n }\n\n connectedCallback() {\n this.delegate.connect();\n }\n\n disconnectedCallback() {\n this.delegate.disconnect();\n }\n\n reload() {\n return this.delegate.sourceURLReloaded()\n }\n\n attributeChangedCallback(name) {\n if (name == \"loading\") {\n this.delegate.loadingStyleChanged();\n } else if (name == \"src\") {\n this.delegate.sourceURLChanged();\n } else if (name == \"disabled\") {\n this.delegate.disabledChanged();\n }\n }\n\n /**\n * Gets the URL to lazily load source HTML from\n */\n get src() {\n return this.getAttribute(\"src\")\n }\n\n /**\n * Sets the URL to lazily load source HTML from\n */\n set src(value) {\n if (value) {\n this.setAttribute(\"src\", value);\n } else {\n this.removeAttribute(\"src\");\n }\n }\n\n /**\n * Gets the refresh mode for the frame.\n */\n get refresh() {\n return this.getAttribute(\"refresh\")\n }\n\n /**\n * Sets the refresh mode for the frame.\n */\n set refresh(value) {\n if (value) {\n this.setAttribute(\"refresh\", value);\n } else {\n this.removeAttribute(\"refresh\");\n }\n }\n\n get shouldReloadWithMorph() {\n return this.src && this.refresh === \"morph\"\n }\n\n /**\n * Determines if the element is loading\n */\n get loading() {\n return frameLoadingStyleFromString(this.getAttribute(\"loading\") || \"\")\n }\n\n /**\n * Sets the value of if the element is loading\n */\n set loading(value) {\n if (value) {\n this.setAttribute(\"loading\", value);\n } else {\n this.removeAttribute(\"loading\");\n }\n }\n\n /**\n * Gets the disabled state of the frame.\n *\n * If disabled, no requests will be intercepted by the frame.\n */\n get disabled() {\n return this.hasAttribute(\"disabled\")\n }\n\n /**\n * Sets the disabled state of the frame.\n *\n * If disabled, no requests will be intercepted by the frame.\n */\n set disabled(value) {\n if (value) {\n this.setAttribute(\"disabled\", \"\");\n } else {\n this.removeAttribute(\"disabled\");\n }\n }\n\n /**\n * Gets the autoscroll state of the frame.\n *\n * If true, the frame will be scrolled into view automatically on update.\n */\n get autoscroll() {\n return this.hasAttribute(\"autoscroll\")\n }\n\n /**\n * Sets the autoscroll state of the frame.\n *\n * If true, the frame will be scrolled into view automatically on update.\n */\n set autoscroll(value) {\n if (value) {\n this.setAttribute(\"autoscroll\", \"\");\n } else {\n this.removeAttribute(\"autoscroll\");\n }\n }\n\n /**\n * Determines if the element has finished loading\n */\n get complete() {\n return !this.delegate.isLoading\n }\n\n /**\n * Gets the active state of the frame.\n *\n * If inactive, source changes will not be observed.\n */\n get isActive() {\n return this.ownerDocument === document && !this.isPreview\n }\n\n /**\n * Sets the active state of the frame.\n *\n * If inactive, source changes will not be observed.\n */\n get isPreview() {\n return this.ownerDocument?.documentElement?.hasAttribute(\"data-turbo-preview\")\n }\n}\n\nfunction frameLoadingStyleFromString(style) {\n switch (style.toLowerCase()) {\n case \"lazy\":\n return FrameLoadingStyle.lazy\n default:\n return FrameLoadingStyle.eager\n }\n}\n\nconst drive = {\n enabled: true,\n progressBarDelay: 500,\n unvisitableExtensions: new Set(\n [\n \".7z\", \".aac\", \".apk\", \".avi\", \".bmp\", \".bz2\", \".css\", \".csv\", \".deb\", \".dmg\", \".doc\",\n \".docx\", \".exe\", \".gif\", \".gz\", \".heic\", \".heif\", \".ico\", \".iso\", \".jpeg\", \".jpg\",\n \".js\", \".json\", \".m4a\", \".mkv\", \".mov\", \".mp3\", \".mp4\", \".mpeg\", \".mpg\", \".msi\",\n \".ogg\", \".ogv\", \".pdf\", \".pkg\", \".png\", \".ppt\", \".pptx\", \".rar\", \".rtf\",\n \".svg\", \".tar\", \".tif\", \".tiff\", \".txt\", \".wav\", \".webm\", \".webp\", \".wma\", \".wmv\",\n \".xls\", \".xlsx\", \".xml\", \".zip\"\n ]\n )\n};\n\nfunction activateScriptElement(element) {\n if (element.getAttribute(\"data-turbo-eval\") == \"false\") {\n return element\n } else {\n const createdScriptElement = document.createElement(\"script\");\n const cspNonce = getMetaContent(\"csp-nonce\");\n if (cspNonce) {\n createdScriptElement.nonce = cspNonce;\n }\n createdScriptElement.textContent = element.textContent;\n createdScriptElement.async = false;\n copyElementAttributes(createdScriptElement, element);\n return createdScriptElement\n }\n}\n\nfunction copyElementAttributes(destinationElement, sourceElement) {\n for (const { name, value } of sourceElement.attributes) {\n destinationElement.setAttribute(name, value);\n }\n}\n\nfunction createDocumentFragment(html) {\n const template = document.createElement(\"template\");\n template.innerHTML = html;\n return template.content\n}\n\nfunction dispatch(eventName, { target, cancelable, detail } = {}) {\n const event = new CustomEvent(eventName, {\n cancelable,\n bubbles: true,\n composed: true,\n detail\n });\n\n if (target && target.isConnected) {\n target.dispatchEvent(event);\n } else {\n document.documentElement.dispatchEvent(event);\n }\n\n return event\n}\n\nfunction cancelEvent(event) {\n event.preventDefault();\n event.stopImmediatePropagation();\n}\n\nfunction nextRepaint() {\n if (document.visibilityState === \"hidden\") {\n return nextEventLoopTick()\n } else {\n return nextAnimationFrame()\n }\n}\n\nfunction nextAnimationFrame() {\n return new Promise((resolve) => requestAnimationFrame(() => resolve()))\n}\n\nfunction nextEventLoopTick() {\n return new Promise((resolve) => setTimeout(() => resolve(), 0))\n}\n\nfunction nextMicrotask() {\n return Promise.resolve()\n}\n\nfunction parseHTMLDocument(html = \"\") {\n return new DOMParser().parseFromString(html, \"text/html\")\n}\n\nfunction unindent(strings, ...values) {\n const lines = interpolate(strings, values).replace(/^\\n/, \"\").split(\"\\n\");\n const match = lines[0].match(/^\\s+/);\n const indent = match ? match[0].length : 0;\n return lines.map((line) => line.slice(indent)).join(\"\\n\")\n}\n\nfunction interpolate(strings, values) {\n return strings.reduce((result, string, i) => {\n const value = values[i] == undefined ? \"\" : values[i];\n return result + string + value\n }, \"\")\n}\n\nfunction uuid() {\n return Array.from({ length: 36 })\n .map((_, i) => {\n if (i == 8 || i == 13 || i == 18 || i == 23) {\n return \"-\"\n } else if (i == 14) {\n return \"4\"\n } else if (i == 19) {\n return (Math.floor(Math.random() * 4) + 8).toString(16)\n } else {\n return Math.floor(Math.random() * 15).toString(16)\n }\n })\n .join(\"\")\n}\n\nfunction getAttribute(attributeName, ...elements) {\n for (const value of elements.map((element) => element?.getAttribute(attributeName))) {\n if (typeof value == \"string\") return value\n }\n\n return null\n}\n\nfunction hasAttribute(attributeName, ...elements) {\n return elements.some((element) => element && element.hasAttribute(attributeName))\n}\n\nfunction markAsBusy(...elements) {\n for (const element of elements) {\n if (element.localName == \"turbo-frame\") {\n element.setAttribute(\"busy\", \"\");\n }\n element.setAttribute(\"aria-busy\", \"true\");\n }\n}\n\nfunction clearBusyState(...elements) {\n for (const element of elements) {\n if (element.localName == \"turbo-frame\") {\n element.removeAttribute(\"busy\");\n }\n\n element.removeAttribute(\"aria-busy\");\n }\n}\n\nfunction waitForLoad(element, timeoutInMilliseconds = 2000) {\n return new Promise((resolve) => {\n const onComplete = () => {\n element.removeEventListener(\"error\", onComplete);\n element.removeEventListener(\"load\", onComplete);\n resolve();\n };\n\n element.addEventListener(\"load\", onComplete, { once: true });\n element.addEventListener(\"error\", onComplete, { once: true });\n setTimeout(resolve, timeoutInMilliseconds);\n })\n}\n\nfunction getHistoryMethodForAction(action) {\n switch (action) {\n case \"replace\":\n return history.replaceState\n case \"advance\":\n case \"restore\":\n return history.pushState\n }\n}\n\nfunction isAction(action) {\n return action == \"advance\" || action == \"replace\" || action == \"restore\"\n}\n\nfunction getVisitAction(...elements) {\n const action = getAttribute(\"data-turbo-action\", ...elements);\n\n return isAction(action) ? action : null\n}\n\nfunction getMetaElement(name) {\n return document.querySelector(`meta[name=\"${name}\"]`)\n}\n\nfunction getMetaContent(name) {\n const element = getMetaElement(name);\n return element && element.content\n}\n\nfunction setMetaContent(name, content) {\n let element = getMetaElement(name);\n\n if (!element) {\n element = document.createElement(\"meta\");\n element.setAttribute(\"name\", name);\n\n document.head.appendChild(element);\n }\n\n element.setAttribute(\"content\", content);\n\n return element\n}\n\nfunction findClosestRecursively(element, selector) {\n if (element instanceof Element) {\n return (\n element.closest(selector) || findClosestRecursively(element.assignedSlot || element.getRootNode()?.host, selector)\n )\n }\n}\n\nfunction elementIsFocusable(element) {\n const inertDisabledOrHidden = \"[inert], :disabled, [hidden], details:not([open]), dialog:not([open])\";\n\n return !!element && element.closest(inertDisabledOrHidden) == null && typeof element.focus == \"function\"\n}\n\nfunction queryAutofocusableElement(elementOrDocumentFragment) {\n return Array.from(elementOrDocumentFragment.querySelectorAll(\"[autofocus]\")).find(elementIsFocusable)\n}\n\nasync function around(callback, reader) {\n const before = reader();\n\n callback();\n\n await nextAnimationFrame();\n\n const after = reader();\n\n return [before, after]\n}\n\nfunction doesNotTargetIFrame(name) {\n if (name === \"_blank\") {\n return false\n } else if (name) {\n for (const element of document.getElementsByName(name)) {\n if (element instanceof HTMLIFrameElement) return false\n }\n\n return true\n } else {\n return true\n }\n}\n\nfunction findLinkFromClickTarget(target) {\n return findClosestRecursively(target, \"a[href]:not([target^=_]):not([download])\")\n}\n\nfunction getLocationForLink(link) {\n return expandURL(link.getAttribute(\"href\") || \"\")\n}\n\nfunction debounce(fn, delay) {\n let timeoutId = null;\n\n return (...args) => {\n const callback = () => fn.apply(this, args);\n clearTimeout(timeoutId);\n timeoutId = setTimeout(callback, delay);\n }\n}\n\nconst submitter = {\n \"aria-disabled\": {\n beforeSubmit: submitter => {\n submitter.setAttribute(\"aria-disabled\", \"true\");\n submitter.addEventListener(\"click\", cancelEvent);\n },\n\n afterSubmit: submitter => {\n submitter.removeAttribute(\"aria-disabled\");\n submitter.removeEventListener(\"click\", cancelEvent);\n }\n },\n\n \"disabled\": {\n beforeSubmit: submitter => submitter.disabled = true,\n afterSubmit: submitter => submitter.disabled = false\n }\n};\n\nclass Config {\n #submitter = null\n\n constructor(config) {\n Object.assign(this, config);\n }\n\n get submitter() {\n return this.#submitter\n }\n\n set submitter(value) {\n this.#submitter = submitter[value] || value;\n }\n}\n\nconst forms = new Config({\n mode: \"on\",\n submitter: \"disabled\"\n});\n\nconst config = {\n drive,\n forms\n};\n\nfunction expandURL(locatable) {\n return new URL(locatable.toString(), document.baseURI)\n}\n\nfunction getAnchor(url) {\n let anchorMatch;\n if (url.hash) {\n return url.hash.slice(1)\n // eslint-disable-next-line no-cond-assign\n } else if ((anchorMatch = url.href.match(/#(.*)$/))) {\n return anchorMatch[1]\n }\n}\n\nfunction getAction$1(form, submitter) {\n const action = submitter?.getAttribute(\"formaction\") || form.getAttribute(\"action\") || form.action;\n\n return expandURL(action)\n}\n\nfunction getExtension(url) {\n return (getLastPathComponent(url).match(/\\.[^.]*$/) || [])[0] || \"\"\n}\n\nfunction isPrefixedBy(baseURL, url) {\n const prefix = getPrefix(url);\n return baseURL.href === expandURL(prefix).href || baseURL.href.startsWith(prefix)\n}\n\nfunction locationIsVisitable(location, rootLocation) {\n return isPrefixedBy(location, rootLocation) && !config.drive.unvisitableExtensions.has(getExtension(location))\n}\n\nfunction getRequestURL(url) {\n const anchor = getAnchor(url);\n return anchor != null ? url.href.slice(0, -(anchor.length + 1)) : url.href\n}\n\nfunction toCacheKey(url) {\n return getRequestURL(url)\n}\n\nfunction urlsAreEqual(left, right) {\n return expandURL(left).href == expandURL(right).href\n}\n\nfunction getPathComponents(url) {\n return url.pathname.split(\"/\").slice(1)\n}\n\nfunction getLastPathComponent(url) {\n return getPathComponents(url).slice(-1)[0]\n}\n\nfunction getPrefix(url) {\n return addTrailingSlash(url.origin + url.pathname)\n}\n\nfunction addTrailingSlash(value) {\n return value.endsWith(\"/\") ? value : value + \"/\"\n}\n\nclass FetchResponse {\n constructor(response) {\n this.response = response;\n }\n\n get succeeded() {\n return this.response.ok\n }\n\n get failed() {\n return !this.succeeded\n }\n\n get clientError() {\n return this.statusCode >= 400 && this.statusCode <= 499\n }\n\n get serverError() {\n return this.statusCode >= 500 && this.statusCode <= 599\n }\n\n get redirected() {\n return this.response.redirected\n }\n\n get location() {\n return expandURL(this.response.url)\n }\n\n get isHTML() {\n return this.contentType && this.contentType.match(/^(?:text\\/([^\\s;,]+\\b)?html|application\\/xhtml\\+xml)\\b/)\n }\n\n get statusCode() {\n return this.response.status\n }\n\n get contentType() {\n return this.header(\"Content-Type\")\n }\n\n get responseText() {\n return this.response.clone().text()\n }\n\n get responseHTML() {\n if (this.isHTML) {\n return this.response.clone().text()\n } else {\n return Promise.resolve(undefined)\n }\n }\n\n header(name) {\n return this.response.headers.get(name)\n }\n}\n\nclass LimitedSet extends Set {\n constructor(maxSize) {\n super();\n this.maxSize = maxSize;\n }\n\n add(value) {\n if (this.size >= this.maxSize) {\n const iterator = this.values();\n const oldestValue = iterator.next().value;\n this.delete(oldestValue);\n }\n super.add(value);\n }\n}\n\nconst recentRequests = new LimitedSet(20);\n\nconst nativeFetch = window.fetch;\n\nfunction fetchWithTurboHeaders(url, options = {}) {\n const modifiedHeaders = new Headers(options.headers || {});\n const requestUID = uuid();\n recentRequests.add(requestUID);\n modifiedHeaders.append(\"X-Turbo-Request-Id\", requestUID);\n\n return nativeFetch(url, {\n ...options,\n headers: modifiedHeaders\n })\n}\n\nfunction fetchMethodFromString(method) {\n switch (method.toLowerCase()) {\n case \"get\":\n return FetchMethod.get\n case \"post\":\n return FetchMethod.post\n case \"put\":\n return FetchMethod.put\n case \"patch\":\n return FetchMethod.patch\n case \"delete\":\n return FetchMethod.delete\n }\n}\n\nconst FetchMethod = {\n get: \"get\",\n post: \"post\",\n put: \"put\",\n patch: \"patch\",\n delete: \"delete\"\n};\n\nfunction fetchEnctypeFromString(encoding) {\n switch (encoding.toLowerCase()) {\n case FetchEnctype.multipart:\n return FetchEnctype.multipart\n case FetchEnctype.plain:\n return FetchEnctype.plain\n default:\n return FetchEnctype.urlEncoded\n }\n}\n\nconst FetchEnctype = {\n urlEncoded: \"application/x-www-form-urlencoded\",\n multipart: \"multipart/form-data\",\n plain: \"text/plain\"\n};\n\nclass FetchRequest {\n abortController = new AbortController()\n #resolveRequestPromise = (_value) => {}\n\n constructor(delegate, method, location, requestBody = new URLSearchParams(), target = null, enctype = FetchEnctype.urlEncoded) {\n const [url, body] = buildResourceAndBody(expandURL(location), method, requestBody, enctype);\n\n this.delegate = delegate;\n this.url = url;\n this.target = target;\n this.fetchOptions = {\n credentials: \"same-origin\",\n redirect: \"follow\",\n method: method.toUpperCase(),\n headers: { ...this.defaultHeaders },\n body: body,\n signal: this.abortSignal,\n referrer: this.delegate.referrer?.href\n };\n this.enctype = enctype;\n }\n\n get method() {\n return this.fetchOptions.method\n }\n\n set method(value) {\n const fetchBody = this.isSafe ? this.url.searchParams : this.fetchOptions.body || new FormData();\n const fetchMethod = fetchMethodFromString(value) || FetchMethod.get;\n\n this.url.search = \"\";\n\n const [url, body] = buildResourceAndBody(this.url, fetchMethod, fetchBody, this.enctype);\n\n this.url = url;\n this.fetchOptions.body = body;\n this.fetchOptions.method = fetchMethod.toUpperCase();\n }\n\n get headers() {\n return this.fetchOptions.headers\n }\n\n set headers(value) {\n this.fetchOptions.headers = value;\n }\n\n get body() {\n if (this.isSafe) {\n return this.url.searchParams\n } else {\n return this.fetchOptions.body\n }\n }\n\n set body(value) {\n this.fetchOptions.body = value;\n }\n\n get location() {\n return this.url\n }\n\n get params() {\n return this.url.searchParams\n }\n\n get entries() {\n return this.body ? Array.from(this.body.entries()) : []\n }\n\n cancel() {\n this.abortController.abort();\n }\n\n async perform() {\n const { fetchOptions } = this;\n this.delegate.prepareRequest(this);\n const event = await this.#allowRequestToBeIntercepted(fetchOptions);\n try {\n this.delegate.requestStarted(this);\n\n if (event.detail.fetchRequest) {\n this.response = event.detail.fetchRequest.response;\n } else {\n this.response = fetchWithTurboHeaders(this.url.href, fetchOptions);\n }\n\n const response = await this.response;\n return await this.receive(response)\n } catch (error) {\n if (error.name !== \"AbortError\") {\n if (this.#willDelegateErrorHandling(error)) {\n this.delegate.requestErrored(this, error);\n }\n throw error\n }\n } finally {\n this.delegate.requestFinished(this);\n }\n }\n\n async receive(response) {\n const fetchResponse = new FetchResponse(response);\n const event = dispatch(\"turbo:before-fetch-response\", {\n cancelable: true,\n detail: { fetchResponse },\n target: this.target\n });\n if (event.defaultPrevented) {\n this.delegate.requestPreventedHandlingResponse(this, fetchResponse);\n } else if (fetchResponse.succeeded) {\n this.delegate.requestSucceededWithResponse(this, fetchResponse);\n } else {\n this.delegate.requestFailedWithResponse(this, fetchResponse);\n }\n return fetchResponse\n }\n\n get defaultHeaders() {\n return {\n Accept: \"text/html, application/xhtml+xml\"\n }\n }\n\n get isSafe() {\n return isSafe(this.method)\n }\n\n get abortSignal() {\n return this.abortController.signal\n }\n\n acceptResponseType(mimeType) {\n this.headers[\"Accept\"] = [mimeType, this.headers[\"Accept\"]].join(\", \");\n }\n\n async #allowRequestToBeIntercepted(fetchOptions) {\n const requestInterception = new Promise((resolve) => (this.#resolveRequestPromise = resolve));\n const event = dispatch(\"turbo:before-fetch-request\", {\n cancelable: true,\n detail: {\n fetchOptions,\n url: this.url,\n resume: this.#resolveRequestPromise\n },\n target: this.target\n });\n this.url = event.detail.url;\n if (event.defaultPrevented) await requestInterception;\n\n return event\n }\n\n #willDelegateErrorHandling(error) {\n const event = dispatch(\"turbo:fetch-request-error\", {\n target: this.target,\n cancelable: true,\n detail: { request: this, error: error }\n });\n\n return !event.defaultPrevented\n }\n}\n\nfunction isSafe(fetchMethod) {\n return fetchMethodFromString(fetchMethod) == FetchMethod.get\n}\n\nfunction buildResourceAndBody(resource, method, requestBody, enctype) {\n const searchParams =\n Array.from(requestBody).length > 0 ? new URLSearchParams(entriesExcludingFiles(requestBody)) : resource.searchParams;\n\n if (isSafe(method)) {\n return [mergeIntoURLSearchParams(resource, searchParams), null]\n } else if (enctype == FetchEnctype.urlEncoded) {\n return [resource, searchParams]\n } else {\n return [resource, requestBody]\n }\n}\n\nfunction entriesExcludingFiles(requestBody) {\n const entries = [];\n\n for (const [name, value] of requestBody) {\n if (value instanceof File) continue\n else entries.push([name, value]);\n }\n\n return entries\n}\n\nfunction mergeIntoURLSearchParams(url, requestBody) {\n const searchParams = new URLSearchParams(entriesExcludingFiles(requestBody));\n\n url.search = searchParams.toString();\n\n return url\n}\n\nclass AppearanceObserver {\n started = false\n\n constructor(delegate, element) {\n this.delegate = delegate;\n this.element = element;\n this.intersectionObserver = new IntersectionObserver(this.intersect);\n }\n\n start() {\n if (!this.started) {\n this.started = true;\n this.intersectionObserver.observe(this.element);\n }\n }\n\n stop() {\n if (this.started) {\n this.started = false;\n this.intersectionObserver.unobserve(this.element);\n }\n }\n\n intersect = (entries) => {\n const lastEntry = entries.slice(-1)[0];\n if (lastEntry?.isIntersecting) {\n this.delegate.elementAppearedInViewport(this.element);\n }\n }\n}\n\nclass StreamMessage {\n static contentType = \"text/vnd.turbo-stream.html\"\n\n static wrap(message) {\n if (typeof message == \"string\") {\n return new this(createDocumentFragment(message))\n } else {\n return message\n }\n }\n\n constructor(fragment) {\n this.fragment = importStreamElements(fragment);\n }\n}\n\nfunction importStreamElements(fragment) {\n for (const element of fragment.querySelectorAll(\"turbo-stream\")) {\n const streamElement = document.importNode(element, true);\n\n for (const inertScriptElement of streamElement.templateElement.content.querySelectorAll(\"script\")) {\n inertScriptElement.replaceWith(activateScriptElement(inertScriptElement));\n }\n\n element.replaceWith(streamElement);\n }\n\n return fragment\n}\n\nconst PREFETCH_DELAY = 100;\n\nclass PrefetchCache {\n #prefetchTimeout = null\n #prefetched = null\n\n get(url) {\n if (this.#prefetched && this.#prefetched.url === url && this.#prefetched.expire > Date.now()) {\n return this.#prefetched.request\n }\n }\n\n setLater(url, request, ttl) {\n this.clear();\n\n this.#prefetchTimeout = setTimeout(() => {\n request.perform();\n this.set(url, request, ttl);\n this.#prefetchTimeout = null;\n }, PREFETCH_DELAY);\n }\n\n set(url, request, ttl) {\n this.#prefetched = { url, request, expire: new Date(new Date().getTime() + ttl) };\n }\n\n clear() {\n if (this.#prefetchTimeout) clearTimeout(this.#prefetchTimeout);\n this.#prefetched = null;\n }\n}\n\nconst cacheTtl = 10 * 1000;\nconst prefetchCache = new PrefetchCache();\n\nconst FormSubmissionState = {\n initialized: \"initialized\",\n requesting: \"requesting\",\n waiting: \"waiting\",\n receiving: \"receiving\",\n stopping: \"stopping\",\n stopped: \"stopped\"\n};\n\nclass FormSubmission {\n state = FormSubmissionState.initialized\n\n static confirmMethod(message) {\n return Promise.resolve(confirm(message))\n }\n\n constructor(delegate, formElement, submitter, mustRedirect = false) {\n const method = getMethod(formElement, submitter);\n const action = getAction(getFormAction(formElement, submitter), method);\n const body = buildFormData(formElement, submitter);\n const enctype = getEnctype(formElement, submitter);\n\n this.delegate = delegate;\n this.formElement = formElement;\n this.submitter = submitter;\n this.fetchRequest = new FetchRequest(this, method, action, body, formElement, enctype);\n this.mustRedirect = mustRedirect;\n }\n\n get method() {\n return this.fetchRequest.method\n }\n\n set method(value) {\n this.fetchRequest.method = value;\n }\n\n get action() {\n return this.fetchRequest.url.toString()\n }\n\n set action(value) {\n this.fetchRequest.url = expandURL(value);\n }\n\n get body() {\n return this.fetchRequest.body\n }\n\n get enctype() {\n return this.fetchRequest.enctype\n }\n\n get isSafe() {\n return this.fetchRequest.isSafe\n }\n\n get location() {\n return this.fetchRequest.url\n }\n\n // The submission process\n\n async start() {\n const { initialized, requesting } = FormSubmissionState;\n const confirmationMessage = getAttribute(\"data-turbo-confirm\", this.submitter, this.formElement);\n\n if (typeof confirmationMessage === \"string\") {\n const confirmMethod = typeof config.forms.confirm === \"function\" ?\n config.forms.confirm :\n FormSubmission.confirmMethod;\n\n const answer = await confirmMethod(confirmationMessage, this.formElement, this.submitter);\n if (!answer) {\n return\n }\n }\n\n if (this.state == initialized) {\n this.state = requesting;\n return this.fetchRequest.perform()\n }\n }\n\n stop() {\n const { stopping, stopped } = FormSubmissionState;\n if (this.state != stopping && this.state != stopped) {\n this.state = stopping;\n this.fetchRequest.cancel();\n return true\n }\n }\n\n // Fetch request delegate\n\n prepareRequest(request) {\n if (!request.isSafe) {\n const token = getCookieValue(getMetaContent(\"csrf-param\")) || getMetaContent(\"csrf-token\");\n if (token) {\n request.headers[\"X-CSRF-Token\"] = token;\n }\n }\n\n if (this.requestAcceptsTurboStreamResponse(request)) {\n request.acceptResponseType(StreamMessage.contentType);\n }\n }\n\n requestStarted(_request) {\n this.state = FormSubmissionState.waiting;\n if (this.submitter) config.forms.submitter.beforeSubmit(this.submitter);\n this.setSubmitsWith();\n markAsBusy(this.formElement);\n dispatch(\"turbo:submit-start\", {\n target: this.formElement,\n detail: { formSubmission: this }\n });\n this.delegate.formSubmissionStarted(this);\n }\n\n requestPreventedHandlingResponse(request, response) {\n prefetchCache.clear();\n\n this.result = { success: response.succeeded, fetchResponse: response };\n }\n\n requestSucceededWithResponse(request, response) {\n if (response.clientError || response.serverError) {\n this.delegate.formSubmissionFailedWithResponse(this, response);\n return\n }\n\n prefetchCache.clear();\n\n if (this.requestMustRedirect(request) && responseSucceededWithoutRedirect(response)) {\n const error = new Error(\"Form responses must redirect to another location\");\n this.delegate.formSubmissionErrored(this, error);\n } else {\n this.state = FormSubmissionState.receiving;\n this.result = { success: true, fetchResponse: response };\n this.delegate.formSubmissionSucceededWithResponse(this, response);\n }\n }\n\n requestFailedWithResponse(request, response) {\n this.result = { success: false, fetchResponse: response };\n this.delegate.formSubmissionFailedWithResponse(this, response);\n }\n\n requestErrored(request, error) {\n this.result = { success: false, error };\n this.delegate.formSubmissionErrored(this, error);\n }\n\n requestFinished(_request) {\n this.state = FormSubmissionState.stopped;\n if (this.submitter) config.forms.submitter.afterSubmit(this.submitter);\n this.resetSubmitterText();\n clearBusyState(this.formElement);\n dispatch(\"turbo:submit-end\", {\n target: this.formElement,\n detail: { formSubmission: this, ...this.result }\n });\n this.delegate.formSubmissionFinished(this);\n }\n\n // Private\n\n setSubmitsWith() {\n if (!this.submitter || !this.submitsWith) return\n\n if (this.submitter.matches(\"button\")) {\n this.originalSubmitText = this.submitter.innerHTML;\n this.submitter.innerHTML = this.submitsWith;\n } else if (this.submitter.matches(\"input\")) {\n const input = this.submitter;\n this.originalSubmitText = input.value;\n input.value = this.submitsWith;\n }\n }\n\n resetSubmitterText() {\n if (!this.submitter || !this.originalSubmitText) return\n\n if (this.submitter.matches(\"button\")) {\n this.submitter.innerHTML = this.originalSubmitText;\n } else if (this.submitter.matches(\"input\")) {\n const input = this.submitter;\n input.value = this.originalSubmitText;\n }\n }\n\n requestMustRedirect(request) {\n return !request.isSafe && this.mustRedirect\n }\n\n requestAcceptsTurboStreamResponse(request) {\n return !request.isSafe || hasAttribute(\"data-turbo-stream\", this.submitter, this.formElement)\n }\n\n get submitsWith() {\n return this.submitter?.getAttribute(\"data-turbo-submits-with\")\n }\n}\n\nfunction buildFormData(formElement, submitter) {\n const formData = new FormData(formElement);\n const name = submitter?.getAttribute(\"name\");\n const value = submitter?.getAttribute(\"value\");\n\n if (name) {\n formData.append(name, value || \"\");\n }\n\n return formData\n}\n\nfunction getCookieValue(cookieName) {\n if (cookieName != null) {\n const cookies = document.cookie ? document.cookie.split(\"; \") : [];\n const cookie = cookies.find((cookie) => cookie.startsWith(cookieName));\n if (cookie) {\n const value = cookie.split(\"=\").slice(1).join(\"=\");\n return value ? decodeURIComponent(value) : undefined\n }\n }\n}\n\nfunction responseSucceededWithoutRedirect(response) {\n return response.statusCode == 200 && !response.redirected\n}\n\nfunction getFormAction(formElement, submitter) {\n const formElementAction = typeof formElement.action === \"string\" ? formElement.action : null;\n\n if (submitter?.hasAttribute(\"formaction\")) {\n return submitter.getAttribute(\"formaction\") || \"\"\n } else {\n return formElement.getAttribute(\"action\") || formElementAction || \"\"\n }\n}\n\nfunction getAction(formAction, fetchMethod) {\n const action = expandURL(formAction);\n\n if (isSafe(fetchMethod)) {\n action.search = \"\";\n }\n\n return action\n}\n\nfunction getMethod(formElement, submitter) {\n const method = submitter?.getAttribute(\"formmethod\") || formElement.getAttribute(\"method\") || \"\";\n return fetchMethodFromString(method.toLowerCase()) || FetchMethod.get\n}\n\nfunction getEnctype(formElement, submitter) {\n return fetchEnctypeFromString(submitter?.getAttribute(\"formenctype\") || formElement.enctype)\n}\n\nclass Snapshot {\n constructor(element) {\n this.element = element;\n }\n\n get activeElement() {\n return this.element.ownerDocument.activeElement\n }\n\n get children() {\n return [...this.element.children]\n }\n\n hasAnchor(anchor) {\n return this.getElementForAnchor(anchor) != null\n }\n\n getElementForAnchor(anchor) {\n return anchor ? this.element.querySelector(`[id='${anchor}'], a[name='${anchor}']`) : null\n }\n\n get isConnected() {\n return this.element.isConnected\n }\n\n get firstAutofocusableElement() {\n return queryAutofocusableElement(this.element)\n }\n\n get permanentElements() {\n return queryPermanentElementsAll(this.element)\n }\n\n getPermanentElementById(id) {\n return getPermanentElementById(this.element, id)\n }\n\n getPermanentElementMapForSnapshot(snapshot) {\n const permanentElementMap = {};\n\n for (const currentPermanentElement of this.permanentElements) {\n const { id } = currentPermanentElement;\n const newPermanentElement = snapshot.getPermanentElementById(id);\n if (newPermanentElement) {\n permanentElementMap[id] = [currentPermanentElement, newPermanentElement];\n }\n }\n\n return permanentElementMap\n }\n}\n\nfunction getPermanentElementById(node, id) {\n return node.querySelector(`#${id}[data-turbo-permanent]`)\n}\n\nfunction queryPermanentElementsAll(node) {\n return node.querySelectorAll(\"[id][data-turbo-permanent]\")\n}\n\nclass FormSubmitObserver {\n started = false\n\n constructor(delegate, eventTarget) {\n this.delegate = delegate;\n this.eventTarget = eventTarget;\n }\n\n start() {\n if (!this.started) {\n this.eventTarget.addEventListener(\"submit\", this.submitCaptured, true);\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n this.eventTarget.removeEventListener(\"submit\", this.submitCaptured, true);\n this.started = false;\n }\n }\n\n submitCaptured = () => {\n this.eventTarget.removeEventListener(\"submit\", this.submitBubbled, false);\n this.eventTarget.addEventListener(\"submit\", this.submitBubbled, false);\n }\n\n submitBubbled = (event) => {\n if (!event.defaultPrevented) {\n const form = event.target instanceof HTMLFormElement ? event.target : undefined;\n const submitter = event.submitter || undefined;\n\n if (\n form &&\n submissionDoesNotDismissDialog(form, submitter) &&\n submissionDoesNotTargetIFrame(form, submitter) &&\n this.delegate.willSubmitForm(form, submitter)\n ) {\n event.preventDefault();\n event.stopImmediatePropagation();\n this.delegate.formSubmitted(form, submitter);\n }\n }\n }\n}\n\nfunction submissionDoesNotDismissDialog(form, submitter) {\n const method = submitter?.getAttribute(\"formmethod\") || form.getAttribute(\"method\");\n\n return method != \"dialog\"\n}\n\nfunction submissionDoesNotTargetIFrame(form, submitter) {\n const target = submitter?.getAttribute(\"formtarget\") || form.getAttribute(\"target\");\n\n return doesNotTargetIFrame(target)\n}\n\nclass View {\n #resolveRenderPromise = (_value) => {}\n #resolveInterceptionPromise = (_value) => {}\n\n constructor(delegate, element) {\n this.delegate = delegate;\n this.element = element;\n }\n\n // Scrolling\n\n scrollToAnchor(anchor) {\n const element = this.snapshot.getElementForAnchor(anchor);\n if (element) {\n this.scrollToElement(element);\n this.focusElement(element);\n } else {\n this.scrollToPosition({ x: 0, y: 0 });\n }\n }\n\n scrollToAnchorFromLocation(location) {\n this.scrollToAnchor(getAnchor(location));\n }\n\n scrollToElement(element) {\n element.scrollIntoView();\n }\n\n focusElement(element) {\n if (element instanceof HTMLElement) {\n if (element.hasAttribute(\"tabindex\")) {\n element.focus();\n } else {\n element.setAttribute(\"tabindex\", \"-1\");\n element.focus();\n element.removeAttribute(\"tabindex\");\n }\n }\n }\n\n scrollToPosition({ x, y }) {\n this.scrollRoot.scrollTo(x, y);\n }\n\n scrollToTop() {\n this.scrollToPosition({ x: 0, y: 0 });\n }\n\n get scrollRoot() {\n return window\n }\n\n // Rendering\n\n async render(renderer) {\n const { isPreview, shouldRender, willRender, newSnapshot: snapshot } = renderer;\n\n // A workaround to ignore tracked element mismatch reloads when performing\n // a promoted Visit from a frame navigation\n const shouldInvalidate = willRender;\n\n if (shouldRender) {\n try {\n this.renderPromise = new Promise((resolve) => (this.#resolveRenderPromise = resolve));\n this.renderer = renderer;\n await this.prepareToRenderSnapshot(renderer);\n\n const renderInterception = new Promise((resolve) => (this.#resolveInterceptionPromise = resolve));\n const options = { resume: this.#resolveInterceptionPromise, render: this.renderer.renderElement, renderMethod: this.renderer.renderMethod };\n const immediateRender = this.delegate.allowsImmediateRender(snapshot, options);\n if (!immediateRender) await renderInterception;\n\n await this.renderSnapshot(renderer);\n this.delegate.viewRenderedSnapshot(snapshot, isPreview, this.renderer.renderMethod);\n this.delegate.preloadOnLoadLinksForView(this.element);\n this.finishRenderingSnapshot(renderer);\n } finally {\n delete this.renderer;\n this.#resolveRenderPromise(undefined);\n delete this.renderPromise;\n }\n } else if (shouldInvalidate) {\n this.invalidate(renderer.reloadReason);\n }\n }\n\n invalidate(reason) {\n this.delegate.viewInvalidated(reason);\n }\n\n async prepareToRenderSnapshot(renderer) {\n this.markAsPreview(renderer.isPreview);\n await renderer.prepareToRender();\n }\n\n markAsPreview(isPreview) {\n if (isPreview) {\n this.element.setAttribute(\"data-turbo-preview\", \"\");\n } else {\n this.element.removeAttribute(\"data-turbo-preview\");\n }\n }\n\n markVisitDirection(direction) {\n this.element.setAttribute(\"data-turbo-visit-direction\", direction);\n }\n\n unmarkVisitDirection() {\n this.element.removeAttribute(\"data-turbo-visit-direction\");\n }\n\n async renderSnapshot(renderer) {\n await renderer.render();\n }\n\n finishRenderingSnapshot(renderer) {\n renderer.finishRendering();\n }\n}\n\nclass FrameView extends View {\n missing() {\n this.element.innerHTML = `Content missing`;\n }\n\n get snapshot() {\n return new Snapshot(this.element)\n }\n}\n\nclass LinkInterceptor {\n constructor(delegate, element) {\n this.delegate = delegate;\n this.element = element;\n }\n\n start() {\n this.element.addEventListener(\"click\", this.clickBubbled);\n document.addEventListener(\"turbo:click\", this.linkClicked);\n document.addEventListener(\"turbo:before-visit\", this.willVisit);\n }\n\n stop() {\n this.element.removeEventListener(\"click\", this.clickBubbled);\n document.removeEventListener(\"turbo:click\", this.linkClicked);\n document.removeEventListener(\"turbo:before-visit\", this.willVisit);\n }\n\n clickBubbled = (event) => {\n if (this.clickEventIsSignificant(event)) {\n this.clickEvent = event;\n } else {\n delete this.clickEvent;\n }\n }\n\n linkClicked = (event) => {\n if (this.clickEvent && this.clickEventIsSignificant(event)) {\n if (this.delegate.shouldInterceptLinkClick(event.target, event.detail.url, event.detail.originalEvent)) {\n this.clickEvent.preventDefault();\n event.preventDefault();\n this.delegate.linkClickIntercepted(event.target, event.detail.url, event.detail.originalEvent);\n }\n }\n delete this.clickEvent;\n }\n\n willVisit = (_event) => {\n delete this.clickEvent;\n }\n\n clickEventIsSignificant(event) {\n const target = event.composed ? event.target?.parentElement : event.target;\n const element = findLinkFromClickTarget(target) || target;\n\n return element instanceof Element && element.closest(\"turbo-frame, html\") == this.element\n }\n}\n\nclass LinkClickObserver {\n started = false\n\n constructor(delegate, eventTarget) {\n this.delegate = delegate;\n this.eventTarget = eventTarget;\n }\n\n start() {\n if (!this.started) {\n this.eventTarget.addEventListener(\"click\", this.clickCaptured, true);\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n this.eventTarget.removeEventListener(\"click\", this.clickCaptured, true);\n this.started = false;\n }\n }\n\n clickCaptured = () => {\n this.eventTarget.removeEventListener(\"click\", this.clickBubbled, false);\n this.eventTarget.addEventListener(\"click\", this.clickBubbled, false);\n }\n\n clickBubbled = (event) => {\n if (event instanceof MouseEvent && this.clickEventIsSignificant(event)) {\n const target = (event.composedPath && event.composedPath()[0]) || event.target;\n const link = findLinkFromClickTarget(target);\n if (link && doesNotTargetIFrame(link.target)) {\n const location = getLocationForLink(link);\n if (this.delegate.willFollowLinkToLocation(link, location, event)) {\n event.preventDefault();\n this.delegate.followedLinkToLocation(link, location);\n }\n }\n }\n }\n\n clickEventIsSignificant(event) {\n return !(\n (event.target && event.target.isContentEditable) ||\n event.defaultPrevented ||\n event.which > 1 ||\n event.altKey ||\n event.ctrlKey ||\n event.metaKey ||\n event.shiftKey\n )\n }\n}\n\nclass FormLinkClickObserver {\n constructor(delegate, element) {\n this.delegate = delegate;\n this.linkInterceptor = new LinkClickObserver(this, element);\n }\n\n start() {\n this.linkInterceptor.start();\n }\n\n stop() {\n this.linkInterceptor.stop();\n }\n\n // Link hover observer delegate\n\n canPrefetchRequestToLocation(link, location) {\n return false\n }\n\n prefetchAndCacheRequestToLocation(link, location) {\n return\n }\n\n // Link click observer delegate\n\n willFollowLinkToLocation(link, location, originalEvent) {\n return (\n this.delegate.willSubmitFormLinkToLocation(link, location, originalEvent) &&\n (link.hasAttribute(\"data-turbo-method\") || link.hasAttribute(\"data-turbo-stream\"))\n )\n }\n\n followedLinkToLocation(link, location) {\n const form = document.createElement(\"form\");\n\n const type = \"hidden\";\n for (const [name, value] of location.searchParams) {\n form.append(Object.assign(document.createElement(\"input\"), { type, name, value }));\n }\n\n const action = Object.assign(location, { search: \"\" });\n form.setAttribute(\"data-turbo\", \"true\");\n form.setAttribute(\"action\", action.href);\n form.setAttribute(\"hidden\", \"\");\n\n const method = link.getAttribute(\"data-turbo-method\");\n if (method) form.setAttribute(\"method\", method);\n\n const turboFrame = link.getAttribute(\"data-turbo-frame\");\n if (turboFrame) form.setAttribute(\"data-turbo-frame\", turboFrame);\n\n const turboAction = getVisitAction(link);\n if (turboAction) form.setAttribute(\"data-turbo-action\", turboAction);\n\n const turboConfirm = link.getAttribute(\"data-turbo-confirm\");\n if (turboConfirm) form.setAttribute(\"data-turbo-confirm\", turboConfirm);\n\n const turboStream = link.hasAttribute(\"data-turbo-stream\");\n if (turboStream) form.setAttribute(\"data-turbo-stream\", \"\");\n\n this.delegate.submittedFormLinkToLocation(link, location, form);\n\n document.body.appendChild(form);\n form.addEventListener(\"turbo:submit-end\", () => form.remove(), { once: true });\n requestAnimationFrame(() => form.requestSubmit());\n }\n}\n\nclass Bardo {\n static async preservingPermanentElements(delegate, permanentElementMap, callback) {\n const bardo = new this(delegate, permanentElementMap);\n bardo.enter();\n await callback();\n bardo.leave();\n }\n\n constructor(delegate, permanentElementMap) {\n this.delegate = delegate;\n this.permanentElementMap = permanentElementMap;\n }\n\n enter() {\n for (const id in this.permanentElementMap) {\n const [currentPermanentElement, newPermanentElement] = this.permanentElementMap[id];\n this.delegate.enteringBardo(currentPermanentElement, newPermanentElement);\n this.replaceNewPermanentElementWithPlaceholder(newPermanentElement);\n }\n }\n\n leave() {\n for (const id in this.permanentElementMap) {\n const [currentPermanentElement] = this.permanentElementMap[id];\n this.replaceCurrentPermanentElementWithClone(currentPermanentElement);\n this.replacePlaceholderWithPermanentElement(currentPermanentElement);\n this.delegate.leavingBardo(currentPermanentElement);\n }\n }\n\n replaceNewPermanentElementWithPlaceholder(permanentElement) {\n const placeholder = createPlaceholderForPermanentElement(permanentElement);\n permanentElement.replaceWith(placeholder);\n }\n\n replaceCurrentPermanentElementWithClone(permanentElement) {\n const clone = permanentElement.cloneNode(true);\n permanentElement.replaceWith(clone);\n }\n\n replacePlaceholderWithPermanentElement(permanentElement) {\n const placeholder = this.getPlaceholderById(permanentElement.id);\n placeholder?.replaceWith(permanentElement);\n }\n\n getPlaceholderById(id) {\n return this.placeholders.find((element) => element.content == id)\n }\n\n get placeholders() {\n return [...document.querySelectorAll(\"meta[name=turbo-permanent-placeholder][content]\")]\n }\n}\n\nfunction createPlaceholderForPermanentElement(permanentElement) {\n const element = document.createElement(\"meta\");\n element.setAttribute(\"name\", \"turbo-permanent-placeholder\");\n element.setAttribute(\"content\", permanentElement.id);\n return element\n}\n\nclass Renderer {\n #activeElement = null\n\n static renderElement(currentElement, newElement) {\n // Abstract method\n }\n\n constructor(currentSnapshot, newSnapshot, isPreview, willRender = true) {\n this.currentSnapshot = currentSnapshot;\n this.newSnapshot = newSnapshot;\n this.isPreview = isPreview;\n this.willRender = willRender;\n this.renderElement = this.constructor.renderElement;\n this.promise = new Promise((resolve, reject) => (this.resolvingFunctions = { resolve, reject }));\n }\n\n get shouldRender() {\n return true\n }\n\n get shouldAutofocus() {\n return true\n }\n\n get reloadReason() {\n return\n }\n\n prepareToRender() {\n return\n }\n\n render() {\n // Abstract method\n }\n\n finishRendering() {\n if (this.resolvingFunctions) {\n this.resolvingFunctions.resolve();\n delete this.resolvingFunctions;\n }\n }\n\n async preservingPermanentElements(callback) {\n await Bardo.preservingPermanentElements(this, this.permanentElementMap, callback);\n }\n\n focusFirstAutofocusableElement() {\n if (this.shouldAutofocus) {\n const element = this.connectedSnapshot.firstAutofocusableElement;\n if (element) {\n element.focus();\n }\n }\n }\n\n // Bardo delegate\n\n enteringBardo(currentPermanentElement) {\n if (this.#activeElement) return\n\n if (currentPermanentElement.contains(this.currentSnapshot.activeElement)) {\n this.#activeElement = this.currentSnapshot.activeElement;\n }\n }\n\n leavingBardo(currentPermanentElement) {\n if (currentPermanentElement.contains(this.#activeElement) && this.#activeElement instanceof HTMLElement) {\n this.#activeElement.focus();\n\n this.#activeElement = null;\n }\n }\n\n get connectedSnapshot() {\n return this.newSnapshot.isConnected ? this.newSnapshot : this.currentSnapshot\n }\n\n get currentElement() {\n return this.currentSnapshot.element\n }\n\n get newElement() {\n return this.newSnapshot.element\n }\n\n get permanentElementMap() {\n return this.currentSnapshot.getPermanentElementMapForSnapshot(this.newSnapshot)\n }\n\n get renderMethod() {\n return \"replace\"\n }\n}\n\nclass FrameRenderer extends Renderer {\n static renderElement(currentElement, newElement) {\n const destinationRange = document.createRange();\n destinationRange.selectNodeContents(currentElement);\n destinationRange.deleteContents();\n\n const frameElement = newElement;\n const sourceRange = frameElement.ownerDocument?.createRange();\n if (sourceRange) {\n sourceRange.selectNodeContents(frameElement);\n currentElement.appendChild(sourceRange.extractContents());\n }\n }\n\n constructor(delegate, currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) {\n super(currentSnapshot, newSnapshot, renderElement, isPreview, willRender);\n this.delegate = delegate;\n }\n\n get shouldRender() {\n return true\n }\n\n async render() {\n await nextRepaint();\n this.preservingPermanentElements(() => {\n this.loadFrameElement();\n });\n this.scrollFrameIntoView();\n await nextRepaint();\n this.focusFirstAutofocusableElement();\n await nextRepaint();\n this.activateScriptElements();\n }\n\n loadFrameElement() {\n this.delegate.willRenderFrame(this.currentElement, this.newElement);\n this.renderElement(this.currentElement, this.newElement);\n }\n\n scrollFrameIntoView() {\n if (this.currentElement.autoscroll || this.newElement.autoscroll) {\n const element = this.currentElement.firstElementChild;\n const block = readScrollLogicalPosition(this.currentElement.getAttribute(\"data-autoscroll-block\"), \"end\");\n const behavior = readScrollBehavior(this.currentElement.getAttribute(\"data-autoscroll-behavior\"), \"auto\");\n\n if (element) {\n element.scrollIntoView({ block, behavior });\n return true\n }\n }\n return false\n }\n\n activateScriptElements() {\n for (const inertScriptElement of this.newScriptElements) {\n const activatedScriptElement = activateScriptElement(inertScriptElement);\n inertScriptElement.replaceWith(activatedScriptElement);\n }\n }\n\n get newScriptElements() {\n return this.currentElement.querySelectorAll(\"script\")\n }\n}\n\nfunction readScrollLogicalPosition(value, defaultValue) {\n if (value == \"end\" || value == \"start\" || value == \"center\" || value == \"nearest\") {\n return value\n } else {\n return defaultValue\n }\n}\n\nfunction readScrollBehavior(value, defaultValue) {\n if (value == \"auto\" || value == \"smooth\") {\n return value\n } else {\n return defaultValue\n }\n}\n\n// base IIFE to define idiomorph\nvar Idiomorph = (function () {\n\n //=============================================================================\n // AND NOW IT BEGINS...\n //=============================================================================\n let EMPTY_SET = new Set();\n\n // default configuration values, updatable by users now\n let defaults = {\n morphStyle: \"outerHTML\",\n callbacks : {\n beforeNodeAdded: noOp,\n afterNodeAdded: noOp,\n beforeNodeMorphed: noOp,\n afterNodeMorphed: noOp,\n beforeNodeRemoved: noOp,\n afterNodeRemoved: noOp,\n beforeAttributeUpdated: noOp,\n\n },\n head: {\n style: 'merge',\n shouldPreserve: function (elt) {\n return elt.getAttribute(\"im-preserve\") === \"true\";\n },\n shouldReAppend: function (elt) {\n return elt.getAttribute(\"im-re-append\") === \"true\";\n },\n shouldRemove: noOp,\n afterHeadMorphed: noOp,\n }\n };\n\n //=============================================================================\n // Core Morphing Algorithm - morph, morphNormalizedContent, morphOldNodeTo, morphChildren\n //=============================================================================\n function morph(oldNode, newContent, config = {}) {\n\n if (oldNode instanceof Document) {\n oldNode = oldNode.documentElement;\n }\n\n if (typeof newContent === 'string') {\n newContent = parseContent(newContent);\n }\n\n let normalizedContent = normalizeContent(newContent);\n\n let ctx = createMorphContext(oldNode, normalizedContent, config);\n\n return morphNormalizedContent(oldNode, normalizedContent, ctx);\n }\n\n function morphNormalizedContent(oldNode, normalizedNewContent, ctx) {\n if (ctx.head.block) {\n let oldHead = oldNode.querySelector('head');\n let newHead = normalizedNewContent.querySelector('head');\n if (oldHead && newHead) {\n let promises = handleHeadElement(newHead, oldHead, ctx);\n // when head promises resolve, call morph again, ignoring the head tag\n Promise.all(promises).then(function () {\n morphNormalizedContent(oldNode, normalizedNewContent, Object.assign(ctx, {\n head: {\n block: false,\n ignore: true\n }\n }));\n });\n return;\n }\n }\n\n if (ctx.morphStyle === \"innerHTML\") {\n\n // innerHTML, so we are only updating the children\n morphChildren(normalizedNewContent, oldNode, ctx);\n return oldNode.children;\n\n } else if (ctx.morphStyle === \"outerHTML\" || ctx.morphStyle == null) {\n // otherwise find the best element match in the new content, morph that, and merge its siblings\n // into either side of the best match\n let bestMatch = findBestNodeMatch(normalizedNewContent, oldNode, ctx);\n\n // stash the siblings that will need to be inserted on either side of the best match\n let previousSibling = bestMatch?.previousSibling;\n let nextSibling = bestMatch?.nextSibling;\n\n // morph it\n let morphedNode = morphOldNodeTo(oldNode, bestMatch, ctx);\n\n if (bestMatch) {\n // if there was a best match, merge the siblings in too and return the\n // whole bunch\n return insertSiblings(previousSibling, morphedNode, nextSibling);\n } else {\n // otherwise nothing was added to the DOM\n return []\n }\n } else {\n throw \"Do not understand how to morph style \" + ctx.morphStyle;\n }\n }\n\n\n /**\n * @param possibleActiveElement\n * @param ctx\n * @returns {boolean}\n */\n function ignoreValueOfActiveElement(possibleActiveElement, ctx) {\n return ctx.ignoreActiveValue && possibleActiveElement === document.activeElement && possibleActiveElement !== document.body;\n }\n\n /**\n * @param oldNode root node to merge content into\n * @param newContent new content to merge\n * @param ctx the merge context\n * @returns {Element} the element that ended up in the DOM\n */\n function morphOldNodeTo(oldNode, newContent, ctx) {\n if (ctx.ignoreActive && oldNode === document.activeElement) ; else if (newContent == null) {\n if (ctx.callbacks.beforeNodeRemoved(oldNode) === false) return oldNode;\n\n oldNode.remove();\n ctx.callbacks.afterNodeRemoved(oldNode);\n return null;\n } else if (!isSoftMatch(oldNode, newContent)) {\n if (ctx.callbacks.beforeNodeRemoved(oldNode) === false) return oldNode;\n if (ctx.callbacks.beforeNodeAdded(newContent) === false) return oldNode;\n\n oldNode.parentElement.replaceChild(newContent, oldNode);\n ctx.callbacks.afterNodeAdded(newContent);\n ctx.callbacks.afterNodeRemoved(oldNode);\n return newContent;\n } else {\n if (ctx.callbacks.beforeNodeMorphed(oldNode, newContent) === false) return oldNode;\n\n if (oldNode instanceof HTMLHeadElement && ctx.head.ignore) ; else if (oldNode instanceof HTMLHeadElement && ctx.head.style !== \"morph\") {\n handleHeadElement(newContent, oldNode, ctx);\n } else {\n syncNodeFrom(newContent, oldNode, ctx);\n if (!ignoreValueOfActiveElement(oldNode, ctx)) {\n morphChildren(newContent, oldNode, ctx);\n }\n }\n ctx.callbacks.afterNodeMorphed(oldNode, newContent);\n return oldNode;\n }\n }\n\n /**\n * This is the core algorithm for matching up children. The idea is to use id sets to try to match up\n * nodes as faithfully as possible. We greedily match, which allows us to keep the algorithm fast, but\n * by using id sets, we are able to better match up with content deeper in the DOM.\n *\n * Basic algorithm is, for each node in the new content:\n *\n * - if we have reached the end of the old parent, append the new content\n * - if the new content has an id set match with the current insertion point, morph\n * - search for an id set match\n * - if id set match found, morph\n * - otherwise search for a \"soft\" match\n * - if a soft match is found, morph\n * - otherwise, prepend the new node before the current insertion point\n *\n * The two search algorithms terminate if competing node matches appear to outweigh what can be achieved\n * with the current node. See findIdSetMatch() and findSoftMatch() for details.\n *\n * @param {Element} newParent the parent element of the new content\n * @param {Element } oldParent the old content that we are merging the new content into\n * @param ctx the merge context\n */\n function morphChildren(newParent, oldParent, ctx) {\n\n let nextNewChild = newParent.firstChild;\n let insertionPoint = oldParent.firstChild;\n let newChild;\n\n // run through all the new content\n while (nextNewChild) {\n\n newChild = nextNewChild;\n nextNewChild = newChild.nextSibling;\n\n // if we are at the end of the exiting parent's children, just append\n if (insertionPoint == null) {\n if (ctx.callbacks.beforeNodeAdded(newChild) === false) return;\n\n oldParent.appendChild(newChild);\n ctx.callbacks.afterNodeAdded(newChild);\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // if the current node has an id set match then morph\n if (isIdSetMatch(newChild, insertionPoint, ctx)) {\n morphOldNodeTo(insertionPoint, newChild, ctx);\n insertionPoint = insertionPoint.nextSibling;\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // otherwise search forward in the existing old children for an id set match\n let idSetMatch = findIdSetMatch(newParent, oldParent, newChild, insertionPoint, ctx);\n\n // if we found a potential match, remove the nodes until that point and morph\n if (idSetMatch) {\n insertionPoint = removeNodesBetween(insertionPoint, idSetMatch, ctx);\n morphOldNodeTo(idSetMatch, newChild, ctx);\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // no id set match found, so scan forward for a soft match for the current node\n let softMatch = findSoftMatch(newParent, oldParent, newChild, insertionPoint, ctx);\n\n // if we found a soft match for the current node, morph\n if (softMatch) {\n insertionPoint = removeNodesBetween(insertionPoint, softMatch, ctx);\n morphOldNodeTo(softMatch, newChild, ctx);\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // abandon all hope of morphing, just insert the new child before the insertion point\n // and move on\n if (ctx.callbacks.beforeNodeAdded(newChild) === false) return;\n\n oldParent.insertBefore(newChild, insertionPoint);\n ctx.callbacks.afterNodeAdded(newChild);\n removeIdsFromConsideration(ctx, newChild);\n }\n\n // remove any remaining old nodes that didn't match up with new content\n while (insertionPoint !== null) {\n\n let tempNode = insertionPoint;\n insertionPoint = insertionPoint.nextSibling;\n removeNode(tempNode, ctx);\n }\n }\n\n //=============================================================================\n // Attribute Syncing Code\n //=============================================================================\n\n /**\n * @param attr {String} the attribute to be mutated\n * @param to {Element} the element that is going to be updated\n * @param updateType {(\"update\"|\"remove\")}\n * @param ctx the merge context\n * @returns {boolean} true if the attribute should be ignored, false otherwise\n */\n function ignoreAttribute(attr, to, updateType, ctx) {\n if(attr === 'value' && ctx.ignoreActiveValue && to === document.activeElement){\n return true;\n }\n return ctx.callbacks.beforeAttributeUpdated(attr, to, updateType) === false;\n }\n\n /**\n * syncs a given node with another node, copying over all attributes and\n * inner element state from the 'from' node to the 'to' node\n *\n * @param {Element} from the element to copy attributes & state from\n * @param {Element} to the element to copy attributes & state to\n * @param ctx the merge context\n */\n function syncNodeFrom(from, to, ctx) {\n let type = from.nodeType;\n\n // if is an element type, sync the attributes from the\n // new node into the new node\n if (type === 1 /* element type */) {\n const fromAttributes = from.attributes;\n const toAttributes = to.attributes;\n for (const fromAttribute of fromAttributes) {\n if (ignoreAttribute(fromAttribute.name, to, 'update', ctx)) {\n continue;\n }\n if (to.getAttribute(fromAttribute.name) !== fromAttribute.value) {\n to.setAttribute(fromAttribute.name, fromAttribute.value);\n }\n }\n // iterate backwards to avoid skipping over items when a delete occurs\n for (let i = toAttributes.length - 1; 0 <= i; i--) {\n const toAttribute = toAttributes[i];\n if (ignoreAttribute(toAttribute.name, to, 'remove', ctx)) {\n continue;\n }\n if (!from.hasAttribute(toAttribute.name)) {\n to.removeAttribute(toAttribute.name);\n }\n }\n }\n\n // sync text nodes\n if (type === 8 /* comment */ || type === 3 /* text */) {\n if (to.nodeValue !== from.nodeValue) {\n to.nodeValue = from.nodeValue;\n }\n }\n\n if (!ignoreValueOfActiveElement(to, ctx)) {\n // sync input values\n syncInputValue(from, to, ctx);\n }\n }\n\n /**\n * @param from {Element} element to sync the value from\n * @param to {Element} element to sync the value to\n * @param attributeName {String} the attribute name\n * @param ctx the merge context\n */\n function syncBooleanAttribute(from, to, attributeName, ctx) {\n if (from[attributeName] !== to[attributeName]) {\n let ignoreUpdate = ignoreAttribute(attributeName, to, 'update', ctx);\n if (!ignoreUpdate) {\n to[attributeName] = from[attributeName];\n }\n if (from[attributeName]) {\n if (!ignoreUpdate) {\n to.setAttribute(attributeName, from[attributeName]);\n }\n } else {\n if (!ignoreAttribute(attributeName, to, 'remove', ctx)) {\n to.removeAttribute(attributeName);\n }\n }\n }\n }\n\n /**\n * NB: many bothans died to bring us information:\n *\n * https://github.com/patrick-steele-idem/morphdom/blob/master/src/specialElHandlers.js\n * https://github.com/choojs/nanomorph/blob/master/lib/morph.jsL113\n *\n * @param from {Element} the element to sync the input value from\n * @param to {Element} the element to sync the input value to\n * @param ctx the merge context\n */\n function syncInputValue(from, to, ctx) {\n if (from instanceof HTMLInputElement &&\n to instanceof HTMLInputElement &&\n from.type !== 'file') {\n\n let fromValue = from.value;\n let toValue = to.value;\n\n // sync boolean attributes\n syncBooleanAttribute(from, to, 'checked', ctx);\n syncBooleanAttribute(from, to, 'disabled', ctx);\n\n if (!from.hasAttribute('value')) {\n if (!ignoreAttribute('value', to, 'remove', ctx)) {\n to.value = '';\n to.removeAttribute('value');\n }\n } else if (fromValue !== toValue) {\n if (!ignoreAttribute('value', to, 'update', ctx)) {\n to.setAttribute('value', fromValue);\n to.value = fromValue;\n }\n }\n } else if (from instanceof HTMLOptionElement) {\n syncBooleanAttribute(from, to, 'selected', ctx);\n } else if (from instanceof HTMLTextAreaElement && to instanceof HTMLTextAreaElement) {\n let fromValue = from.value;\n let toValue = to.value;\n if (ignoreAttribute('value', to, 'update', ctx)) {\n return;\n }\n if (fromValue !== toValue) {\n to.value = fromValue;\n }\n if (to.firstChild && to.firstChild.nodeValue !== fromValue) {\n to.firstChild.nodeValue = fromValue;\n }\n }\n }\n\n //=============================================================================\n // the HEAD tag can be handled specially, either w/ a 'merge' or 'append' style\n //=============================================================================\n function handleHeadElement(newHeadTag, currentHead, ctx) {\n\n let added = [];\n let removed = [];\n let preserved = [];\n let nodesToAppend = [];\n\n let headMergeStyle = ctx.head.style;\n\n // put all new head elements into a Map, by their outerHTML\n let srcToNewHeadNodes = new Map();\n for (const newHeadChild of newHeadTag.children) {\n srcToNewHeadNodes.set(newHeadChild.outerHTML, newHeadChild);\n }\n\n // for each elt in the current head\n for (const currentHeadElt of currentHead.children) {\n\n // If the current head element is in the map\n let inNewContent = srcToNewHeadNodes.has(currentHeadElt.outerHTML);\n let isReAppended = ctx.head.shouldReAppend(currentHeadElt);\n let isPreserved = ctx.head.shouldPreserve(currentHeadElt);\n if (inNewContent || isPreserved) {\n if (isReAppended) {\n // remove the current version and let the new version replace it and re-execute\n removed.push(currentHeadElt);\n } else {\n // this element already exists and should not be re-appended, so remove it from\n // the new content map, preserving it in the DOM\n srcToNewHeadNodes.delete(currentHeadElt.outerHTML);\n preserved.push(currentHeadElt);\n }\n } else {\n if (headMergeStyle === \"append\") {\n // we are appending and this existing element is not new content\n // so if and only if it is marked for re-append do we do anything\n if (isReAppended) {\n removed.push(currentHeadElt);\n nodesToAppend.push(currentHeadElt);\n }\n } else {\n // if this is a merge, we remove this content since it is not in the new head\n if (ctx.head.shouldRemove(currentHeadElt) !== false) {\n removed.push(currentHeadElt);\n }\n }\n }\n }\n\n // Push the remaining new head elements in the Map into the\n // nodes to append to the head tag\n nodesToAppend.push(...srcToNewHeadNodes.values());\n\n let promises = [];\n for (const newNode of nodesToAppend) {\n let newElt = document.createRange().createContextualFragment(newNode.outerHTML).firstChild;\n if (ctx.callbacks.beforeNodeAdded(newElt) !== false) {\n if (newElt.href || newElt.src) {\n let resolve = null;\n let promise = new Promise(function (_resolve) {\n resolve = _resolve;\n });\n newElt.addEventListener('load', function () {\n resolve();\n });\n promises.push(promise);\n }\n currentHead.appendChild(newElt);\n ctx.callbacks.afterNodeAdded(newElt);\n added.push(newElt);\n }\n }\n\n // remove all removed elements, after we have appended the new elements to avoid\n // additional network requests for things like style sheets\n for (const removedElement of removed) {\n if (ctx.callbacks.beforeNodeRemoved(removedElement) !== false) {\n currentHead.removeChild(removedElement);\n ctx.callbacks.afterNodeRemoved(removedElement);\n }\n }\n\n ctx.head.afterHeadMorphed(currentHead, {added: added, kept: preserved, removed: removed});\n return promises;\n }\n\n function noOp() {\n }\n\n /*\n Deep merges the config object and the Idiomoroph.defaults object to\n produce a final configuration object\n */\n function mergeDefaults(config) {\n let finalConfig = {};\n // copy top level stuff into final config\n Object.assign(finalConfig, defaults);\n Object.assign(finalConfig, config);\n\n // copy callbacks into final config (do this to deep merge the callbacks)\n finalConfig.callbacks = {};\n Object.assign(finalConfig.callbacks, defaults.callbacks);\n Object.assign(finalConfig.callbacks, config.callbacks);\n\n // copy head config into final config (do this to deep merge the head)\n finalConfig.head = {};\n Object.assign(finalConfig.head, defaults.head);\n Object.assign(finalConfig.head, config.head);\n return finalConfig;\n }\n\n function createMorphContext(oldNode, newContent, config) {\n config = mergeDefaults(config);\n return {\n target: oldNode,\n newContent: newContent,\n config: config,\n morphStyle: config.morphStyle,\n ignoreActive: config.ignoreActive,\n ignoreActiveValue: config.ignoreActiveValue,\n idMap: createIdMap(oldNode, newContent),\n deadIds: new Set(),\n callbacks: config.callbacks,\n head: config.head\n }\n }\n\n function isIdSetMatch(node1, node2, ctx) {\n if (node1 == null || node2 == null) {\n return false;\n }\n if (node1.nodeType === node2.nodeType && node1.tagName === node2.tagName) {\n if (node1.id !== \"\" && node1.id === node2.id) {\n return true;\n } else {\n return getIdIntersectionCount(ctx, node1, node2) > 0;\n }\n }\n return false;\n }\n\n function isSoftMatch(node1, node2) {\n if (node1 == null || node2 == null) {\n return false;\n }\n return node1.nodeType === node2.nodeType && node1.tagName === node2.tagName\n }\n\n function removeNodesBetween(startInclusive, endExclusive, ctx) {\n while (startInclusive !== endExclusive) {\n let tempNode = startInclusive;\n startInclusive = startInclusive.nextSibling;\n removeNode(tempNode, ctx);\n }\n removeIdsFromConsideration(ctx, endExclusive);\n return endExclusive.nextSibling;\n }\n\n //=============================================================================\n // Scans forward from the insertionPoint in the old parent looking for a potential id match\n // for the newChild. We stop if we find a potential id match for the new child OR\n // if the number of potential id matches we are discarding is greater than the\n // potential id matches for the new child\n //=============================================================================\n function findIdSetMatch(newContent, oldParent, newChild, insertionPoint, ctx) {\n\n // max id matches we are willing to discard in our search\n let newChildPotentialIdCount = getIdIntersectionCount(ctx, newChild, oldParent);\n\n let potentialMatch = null;\n\n // only search forward if there is a possibility of an id match\n if (newChildPotentialIdCount > 0) {\n let potentialMatch = insertionPoint;\n // if there is a possibility of an id match, scan forward\n // keep track of the potential id match count we are discarding (the\n // newChildPotentialIdCount must be greater than this to make it likely\n // worth it)\n let otherMatchCount = 0;\n while (potentialMatch != null) {\n\n // If we have an id match, return the current potential match\n if (isIdSetMatch(newChild, potentialMatch, ctx)) {\n return potentialMatch;\n }\n\n // computer the other potential matches of this new content\n otherMatchCount += getIdIntersectionCount(ctx, potentialMatch, newContent);\n if (otherMatchCount > newChildPotentialIdCount) {\n // if we have more potential id matches in _other_ content, we\n // do not have a good candidate for an id match, so return null\n return null;\n }\n\n // advanced to the next old content child\n potentialMatch = potentialMatch.nextSibling;\n }\n }\n return potentialMatch;\n }\n\n //=============================================================================\n // Scans forward from the insertionPoint in the old parent looking for a potential soft match\n // for the newChild. We stop if we find a potential soft match for the new child OR\n // if we find a potential id match in the old parents children OR if we find two\n // potential soft matches for the next two pieces of new content\n //=============================================================================\n function findSoftMatch(newContent, oldParent, newChild, insertionPoint, ctx) {\n\n let potentialSoftMatch = insertionPoint;\n let nextSibling = newChild.nextSibling;\n let siblingSoftMatchCount = 0;\n\n while (potentialSoftMatch != null) {\n\n if (getIdIntersectionCount(ctx, potentialSoftMatch, newContent) > 0) {\n // the current potential soft match has a potential id set match with the remaining new\n // content so bail out of looking\n return null;\n }\n\n // if we have a soft match with the current node, return it\n if (isSoftMatch(newChild, potentialSoftMatch)) {\n return potentialSoftMatch;\n }\n\n if (isSoftMatch(nextSibling, potentialSoftMatch)) {\n // the next new node has a soft match with this node, so\n // increment the count of future soft matches\n siblingSoftMatchCount++;\n nextSibling = nextSibling.nextSibling;\n\n // If there are two future soft matches, bail to allow the siblings to soft match\n // so that we don't consume future soft matches for the sake of the current node\n if (siblingSoftMatchCount >= 2) {\n return null;\n }\n }\n\n // advanced to the next old content child\n potentialSoftMatch = potentialSoftMatch.nextSibling;\n }\n\n return potentialSoftMatch;\n }\n\n function parseContent(newContent) {\n let parser = new DOMParser();\n\n // remove svgs to avoid false-positive matches on head, etc.\n let contentWithSvgsRemoved = newContent.replace(/]*>|>)([\\s\\S]*?)<\\/svg>/gim, '');\n\n // if the newContent contains a html, head or body tag, we can simply parse it w/o wrapping\n if (contentWithSvgsRemoved.match(/<\\/html>/) || contentWithSvgsRemoved.match(/<\\/head>/) || contentWithSvgsRemoved.match(/<\\/body>/)) {\n let content = parser.parseFromString(newContent, \"text/html\");\n // if it is a full HTML document, return the document itself as the parent container\n if (contentWithSvgsRemoved.match(/<\\/html>/)) {\n content.generatedByIdiomorph = true;\n return content;\n } else {\n // otherwise return the html element as the parent container\n let htmlElement = content.firstChild;\n if (htmlElement) {\n htmlElement.generatedByIdiomorph = true;\n return htmlElement;\n } else {\n return null;\n }\n }\n } else {\n // if it is partial HTML, wrap it in a template tag to provide a parent element and also to help\n // deal with touchy tags like tr, tbody, etc.\n let responseDoc = parser.parseFromString(\"\", \"text/html\");\n let content = responseDoc.body.querySelector('template').content;\n content.generatedByIdiomorph = true;\n return content\n }\n }\n\n function normalizeContent(newContent) {\n if (newContent == null) {\n // noinspection UnnecessaryLocalVariableJS\n const dummyParent = document.createElement('div');\n return dummyParent;\n } else if (newContent.generatedByIdiomorph) {\n // the template tag created by idiomorph parsing can serve as a dummy parent\n return newContent;\n } else if (newContent instanceof Node) {\n // a single node is added as a child to a dummy parent\n const dummyParent = document.createElement('div');\n dummyParent.append(newContent);\n return dummyParent;\n } else {\n // all nodes in the array or HTMLElement collection are consolidated under\n // a single dummy parent element\n const dummyParent = document.createElement('div');\n for (const elt of [...newContent]) {\n dummyParent.append(elt);\n }\n return dummyParent;\n }\n }\n\n function insertSiblings(previousSibling, morphedNode, nextSibling) {\n let stack = [];\n let added = [];\n while (previousSibling != null) {\n stack.push(previousSibling);\n previousSibling = previousSibling.previousSibling;\n }\n while (stack.length > 0) {\n let node = stack.pop();\n added.push(node); // push added preceding siblings on in order and insert\n morphedNode.parentElement.insertBefore(node, morphedNode);\n }\n added.push(morphedNode);\n while (nextSibling != null) {\n stack.push(nextSibling);\n added.push(nextSibling); // here we are going in order, so push on as we scan, rather than add\n nextSibling = nextSibling.nextSibling;\n }\n while (stack.length > 0) {\n morphedNode.parentElement.insertBefore(stack.pop(), morphedNode.nextSibling);\n }\n return added;\n }\n\n function findBestNodeMatch(newContent, oldNode, ctx) {\n let currentElement;\n currentElement = newContent.firstChild;\n let bestElement = currentElement;\n let score = 0;\n while (currentElement) {\n let newScore = scoreElement(currentElement, oldNode, ctx);\n if (newScore > score) {\n bestElement = currentElement;\n score = newScore;\n }\n currentElement = currentElement.nextSibling;\n }\n return bestElement;\n }\n\n function scoreElement(node1, node2, ctx) {\n if (isSoftMatch(node1, node2)) {\n return .5 + getIdIntersectionCount(ctx, node1, node2);\n }\n return 0;\n }\n\n function removeNode(tempNode, ctx) {\n removeIdsFromConsideration(ctx, tempNode);\n if (ctx.callbacks.beforeNodeRemoved(tempNode) === false) return;\n\n tempNode.remove();\n ctx.callbacks.afterNodeRemoved(tempNode);\n }\n\n //=============================================================================\n // ID Set Functions\n //=============================================================================\n\n function isIdInConsideration(ctx, id) {\n return !ctx.deadIds.has(id);\n }\n\n function idIsWithinNode(ctx, id, targetNode) {\n let idSet = ctx.idMap.get(targetNode) || EMPTY_SET;\n return idSet.has(id);\n }\n\n function removeIdsFromConsideration(ctx, node) {\n let idSet = ctx.idMap.get(node) || EMPTY_SET;\n for (const id of idSet) {\n ctx.deadIds.add(id);\n }\n }\n\n function getIdIntersectionCount(ctx, node1, node2) {\n let sourceSet = ctx.idMap.get(node1) || EMPTY_SET;\n let matchCount = 0;\n for (const id of sourceSet) {\n // a potential match is an id in the source and potentialIdsSet, but\n // that has not already been merged into the DOM\n if (isIdInConsideration(ctx, id) && idIsWithinNode(ctx, id, node2)) {\n ++matchCount;\n }\n }\n return matchCount;\n }\n\n /**\n * A bottom up algorithm that finds all elements with ids inside of the node\n * argument and populates id sets for those nodes and all their parents, generating\n * a set of ids contained within all nodes for the entire hierarchy in the DOM\n *\n * @param node {Element}\n * @param {Map>} idMap\n */\n function populateIdMapForNode(node, idMap) {\n let nodeParent = node.parentElement;\n // find all elements with an id property\n let idElements = node.querySelectorAll('[id]');\n for (const elt of idElements) {\n let current = elt;\n // walk up the parent hierarchy of that element, adding the id\n // of element to the parent's id set\n while (current !== nodeParent && current != null) {\n let idSet = idMap.get(current);\n // if the id set doesn't exist, create it and insert it in the map\n if (idSet == null) {\n idSet = new Set();\n idMap.set(current, idSet);\n }\n idSet.add(elt.id);\n current = current.parentElement;\n }\n }\n }\n\n /**\n * This function computes a map of nodes to all ids contained within that node (inclusive of the\n * node). This map can be used to ask if two nodes have intersecting sets of ids, which allows\n * for a looser definition of \"matching\" than tradition id matching, and allows child nodes\n * to contribute to a parent nodes matching.\n *\n * @param {Element} oldContent the old content that will be morphed\n * @param {Element} newContent the new content to morph to\n * @returns {Map>} a map of nodes to id sets for the\n */\n function createIdMap(oldContent, newContent) {\n let idMap = new Map();\n populateIdMapForNode(oldContent, idMap);\n populateIdMapForNode(newContent, idMap);\n return idMap;\n }\n\n //=============================================================================\n // This is what ends up becoming the Idiomorph global object\n //=============================================================================\n return {\n morph,\n defaults\n }\n })();\n\nfunction morphElements(currentElement, newElement, { callbacks, ...options } = {}) {\n Idiomorph.morph(currentElement, newElement, {\n ...options,\n callbacks: new DefaultIdiomorphCallbacks(callbacks)\n });\n}\n\nfunction morphChildren(currentElement, newElement) {\n morphElements(currentElement, newElement.children, {\n morphStyle: \"innerHTML\"\n });\n}\n\nclass DefaultIdiomorphCallbacks {\n #beforeNodeMorphed\n\n constructor({ beforeNodeMorphed } = {}) {\n this.#beforeNodeMorphed = beforeNodeMorphed || (() => true);\n }\n\n beforeNodeAdded = (node) => {\n return !(node.id && node.hasAttribute(\"data-turbo-permanent\") && document.getElementById(node.id))\n }\n\n beforeNodeMorphed = (currentElement, newElement) => {\n if (currentElement instanceof Element) {\n if (!currentElement.hasAttribute(\"data-turbo-permanent\") && this.#beforeNodeMorphed(currentElement, newElement)) {\n const event = dispatch(\"turbo:before-morph-element\", {\n cancelable: true,\n target: currentElement,\n detail: { currentElement, newElement }\n });\n\n return !event.defaultPrevented\n } else {\n return false\n }\n }\n }\n\n beforeAttributeUpdated = (attributeName, target, mutationType) => {\n const event = dispatch(\"turbo:before-morph-attribute\", {\n cancelable: true,\n target,\n detail: { attributeName, mutationType }\n });\n\n return !event.defaultPrevented\n }\n\n beforeNodeRemoved = (node) => {\n return this.beforeNodeMorphed(node)\n }\n\n afterNodeMorphed = (currentElement, newElement) => {\n if (currentElement instanceof Element) {\n dispatch(\"turbo:morph-element\", {\n target: currentElement,\n detail: { currentElement, newElement }\n });\n }\n }\n}\n\nclass MorphingFrameRenderer extends FrameRenderer {\n static renderElement(currentElement, newElement) {\n dispatch(\"turbo:before-frame-morph\", {\n target: currentElement,\n detail: { currentElement, newElement }\n });\n\n morphChildren(currentElement, newElement);\n }\n\n async preservingPermanentElements(callback) {\n return await callback()\n }\n}\n\nclass ProgressBar {\n static animationDuration = 300 /*ms*/\n\n static get defaultCSS() {\n return unindent`\n .turbo-progress-bar {\n position: fixed;\n display: block;\n top: 0;\n left: 0;\n height: 3px;\n background: #0076ff;\n z-index: 2147483647;\n transition:\n width ${ProgressBar.animationDuration}ms ease-out,\n opacity ${ProgressBar.animationDuration / 2}ms ${ProgressBar.animationDuration / 2}ms ease-in;\n transform: translate3d(0, 0, 0);\n }\n `\n }\n\n hiding = false\n value = 0\n visible = false\n\n constructor() {\n this.stylesheetElement = this.createStylesheetElement();\n this.progressElement = this.createProgressElement();\n this.installStylesheetElement();\n this.setValue(0);\n }\n\n show() {\n if (!this.visible) {\n this.visible = true;\n this.installProgressElement();\n this.startTrickling();\n }\n }\n\n hide() {\n if (this.visible && !this.hiding) {\n this.hiding = true;\n this.fadeProgressElement(() => {\n this.uninstallProgressElement();\n this.stopTrickling();\n this.visible = false;\n this.hiding = false;\n });\n }\n }\n\n setValue(value) {\n this.value = value;\n this.refresh();\n }\n\n // Private\n\n installStylesheetElement() {\n document.head.insertBefore(this.stylesheetElement, document.head.firstChild);\n }\n\n installProgressElement() {\n this.progressElement.style.width = \"0\";\n this.progressElement.style.opacity = \"1\";\n document.documentElement.insertBefore(this.progressElement, document.body);\n this.refresh();\n }\n\n fadeProgressElement(callback) {\n this.progressElement.style.opacity = \"0\";\n setTimeout(callback, ProgressBar.animationDuration * 1.5);\n }\n\n uninstallProgressElement() {\n if (this.progressElement.parentNode) {\n document.documentElement.removeChild(this.progressElement);\n }\n }\n\n startTrickling() {\n if (!this.trickleInterval) {\n this.trickleInterval = window.setInterval(this.trickle, ProgressBar.animationDuration);\n }\n }\n\n stopTrickling() {\n window.clearInterval(this.trickleInterval);\n delete this.trickleInterval;\n }\n\n trickle = () => {\n this.setValue(this.value + Math.random() / 100);\n }\n\n refresh() {\n requestAnimationFrame(() => {\n this.progressElement.style.width = `${10 + this.value * 90}%`;\n });\n }\n\n createStylesheetElement() {\n const element = document.createElement(\"style\");\n element.type = \"text/css\";\n element.textContent = ProgressBar.defaultCSS;\n if (this.cspNonce) {\n element.nonce = this.cspNonce;\n }\n return element\n }\n\n createProgressElement() {\n const element = document.createElement(\"div\");\n element.className = \"turbo-progress-bar\";\n return element\n }\n\n get cspNonce() {\n return getMetaContent(\"csp-nonce\")\n }\n}\n\nclass HeadSnapshot extends Snapshot {\n detailsByOuterHTML = this.children\n .filter((element) => !elementIsNoscript(element))\n .map((element) => elementWithoutNonce(element))\n .reduce((result, element) => {\n const { outerHTML } = element;\n const details =\n outerHTML in result\n ? result[outerHTML]\n : {\n type: elementType(element),\n tracked: elementIsTracked(element),\n elements: []\n };\n return {\n ...result,\n [outerHTML]: {\n ...details,\n elements: [...details.elements, element]\n }\n }\n }, {})\n\n get trackedElementSignature() {\n return Object.keys(this.detailsByOuterHTML)\n .filter((outerHTML) => this.detailsByOuterHTML[outerHTML].tracked)\n .join(\"\")\n }\n\n getScriptElementsNotInSnapshot(snapshot) {\n return this.getElementsMatchingTypeNotInSnapshot(\"script\", snapshot)\n }\n\n getStylesheetElementsNotInSnapshot(snapshot) {\n return this.getElementsMatchingTypeNotInSnapshot(\"stylesheet\", snapshot)\n }\n\n getElementsMatchingTypeNotInSnapshot(matchedType, snapshot) {\n return Object.keys(this.detailsByOuterHTML)\n .filter((outerHTML) => !(outerHTML in snapshot.detailsByOuterHTML))\n .map((outerHTML) => this.detailsByOuterHTML[outerHTML])\n .filter(({ type }) => type == matchedType)\n .map(({ elements: [element] }) => element)\n }\n\n get provisionalElements() {\n return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => {\n const { type, tracked, elements } = this.detailsByOuterHTML[outerHTML];\n if (type == null && !tracked) {\n return [...result, ...elements]\n } else if (elements.length > 1) {\n return [...result, ...elements.slice(1)]\n } else {\n return result\n }\n }, [])\n }\n\n getMetaValue(name) {\n const element = this.findMetaElementByName(name);\n return element ? element.getAttribute(\"content\") : null\n }\n\n findMetaElementByName(name) {\n return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => {\n const {\n elements: [element]\n } = this.detailsByOuterHTML[outerHTML];\n return elementIsMetaElementWithName(element, name) ? element : result\n }, undefined | undefined)\n }\n}\n\nfunction elementType(element) {\n if (elementIsScript(element)) {\n return \"script\"\n } else if (elementIsStylesheet(element)) {\n return \"stylesheet\"\n }\n}\n\nfunction elementIsTracked(element) {\n return element.getAttribute(\"data-turbo-track\") == \"reload\"\n}\n\nfunction elementIsScript(element) {\n const tagName = element.localName;\n return tagName == \"script\"\n}\n\nfunction elementIsNoscript(element) {\n const tagName = element.localName;\n return tagName == \"noscript\"\n}\n\nfunction elementIsStylesheet(element) {\n const tagName = element.localName;\n return tagName == \"style\" || (tagName == \"link\" && element.getAttribute(\"rel\") == \"stylesheet\")\n}\n\nfunction elementIsMetaElementWithName(element, name) {\n const tagName = element.localName;\n return tagName == \"meta\" && element.getAttribute(\"name\") == name\n}\n\nfunction elementWithoutNonce(element) {\n if (element.hasAttribute(\"nonce\")) {\n element.setAttribute(\"nonce\", \"\");\n }\n\n return element\n}\n\nclass PageSnapshot extends Snapshot {\n static fromHTMLString(html = \"\") {\n return this.fromDocument(parseHTMLDocument(html))\n }\n\n static fromElement(element) {\n return this.fromDocument(element.ownerDocument)\n }\n\n static fromDocument({ documentElement, body, head }) {\n return new this(documentElement, body, new HeadSnapshot(head))\n }\n\n constructor(documentElement, body, headSnapshot) {\n super(body);\n this.documentElement = documentElement;\n this.headSnapshot = headSnapshot;\n }\n\n clone() {\n const clonedElement = this.element.cloneNode(true);\n\n const selectElements = this.element.querySelectorAll(\"select\");\n const clonedSelectElements = clonedElement.querySelectorAll(\"select\");\n\n for (const [index, source] of selectElements.entries()) {\n const clone = clonedSelectElements[index];\n for (const option of clone.selectedOptions) option.selected = false;\n for (const option of source.selectedOptions) clone.options[option.index].selected = true;\n }\n\n for (const clonedPasswordInput of clonedElement.querySelectorAll('input[type=\"password\"]')) {\n clonedPasswordInput.value = \"\";\n }\n\n return new PageSnapshot(this.documentElement, clonedElement, this.headSnapshot)\n }\n\n get lang() {\n return this.documentElement.getAttribute(\"lang\")\n }\n\n get headElement() {\n return this.headSnapshot.element\n }\n\n get rootLocation() {\n const root = this.getSetting(\"root\") ?? \"/\";\n return expandURL(root)\n }\n\n get cacheControlValue() {\n return this.getSetting(\"cache-control\")\n }\n\n get isPreviewable() {\n return this.cacheControlValue != \"no-preview\"\n }\n\n get isCacheable() {\n return this.cacheControlValue != \"no-cache\"\n }\n\n get isVisitable() {\n return this.getSetting(\"visit-control\") != \"reload\"\n }\n\n get prefersViewTransitions() {\n return this.headSnapshot.getMetaValue(\"view-transition\") === \"same-origin\"\n }\n\n get shouldMorphPage() {\n return this.getSetting(\"refresh-method\") === \"morph\"\n }\n\n get shouldPreserveScrollPosition() {\n return this.getSetting(\"refresh-scroll\") === \"preserve\"\n }\n\n // Private\n\n getSetting(name) {\n return this.headSnapshot.getMetaValue(`turbo-${name}`)\n }\n}\n\nclass ViewTransitioner {\n #viewTransitionStarted = false\n #lastOperation = Promise.resolve()\n\n renderChange(useViewTransition, render) {\n if (useViewTransition && this.viewTransitionsAvailable && !this.#viewTransitionStarted) {\n this.#viewTransitionStarted = true;\n this.#lastOperation = this.#lastOperation.then(async () => {\n await document.startViewTransition(render).finished;\n });\n } else {\n this.#lastOperation = this.#lastOperation.then(render);\n }\n\n return this.#lastOperation\n }\n\n get viewTransitionsAvailable() {\n return document.startViewTransition\n }\n}\n\nconst defaultOptions = {\n action: \"advance\",\n historyChanged: false,\n visitCachedSnapshot: () => {},\n willRender: true,\n updateHistory: true,\n shouldCacheSnapshot: true,\n acceptsStreamResponse: false\n};\n\nconst TimingMetric = {\n visitStart: \"visitStart\",\n requestStart: \"requestStart\",\n requestEnd: \"requestEnd\",\n visitEnd: \"visitEnd\"\n};\n\nconst VisitState = {\n initialized: \"initialized\",\n started: \"started\",\n canceled: \"canceled\",\n failed: \"failed\",\n completed: \"completed\"\n};\n\nconst SystemStatusCode = {\n networkFailure: 0,\n timeoutFailure: -1,\n contentTypeMismatch: -2\n};\n\nconst Direction = {\n advance: \"forward\",\n restore: \"back\",\n replace: \"none\"\n};\n\nclass Visit {\n identifier = uuid() // Required by turbo-ios\n timingMetrics = {}\n\n followedRedirect = false\n historyChanged = false\n scrolled = false\n shouldCacheSnapshot = true\n acceptsStreamResponse = false\n snapshotCached = false\n state = VisitState.initialized\n viewTransitioner = new ViewTransitioner()\n\n constructor(delegate, location, restorationIdentifier, options = {}) {\n this.delegate = delegate;\n this.location = location;\n this.restorationIdentifier = restorationIdentifier || uuid();\n\n const {\n action,\n historyChanged,\n referrer,\n snapshot,\n snapshotHTML,\n response,\n visitCachedSnapshot,\n willRender,\n updateHistory,\n shouldCacheSnapshot,\n acceptsStreamResponse,\n direction\n } = {\n ...defaultOptions,\n ...options\n };\n this.action = action;\n this.historyChanged = historyChanged;\n this.referrer = referrer;\n this.snapshot = snapshot;\n this.snapshotHTML = snapshotHTML;\n this.response = response;\n this.isSamePage = this.delegate.locationWithActionIsSamePage(this.location, this.action);\n this.isPageRefresh = this.view.isPageRefresh(this);\n this.visitCachedSnapshot = visitCachedSnapshot;\n this.willRender = willRender;\n this.updateHistory = updateHistory;\n this.scrolled = !willRender;\n this.shouldCacheSnapshot = shouldCacheSnapshot;\n this.acceptsStreamResponse = acceptsStreamResponse;\n this.direction = direction || Direction[action];\n }\n\n get adapter() {\n return this.delegate.adapter\n }\n\n get view() {\n return this.delegate.view\n }\n\n get history() {\n return this.delegate.history\n }\n\n get restorationData() {\n return this.history.getRestorationDataForIdentifier(this.restorationIdentifier)\n }\n\n get silent() {\n return this.isSamePage\n }\n\n start() {\n if (this.state == VisitState.initialized) {\n this.recordTimingMetric(TimingMetric.visitStart);\n this.state = VisitState.started;\n this.adapter.visitStarted(this);\n this.delegate.visitStarted(this);\n }\n }\n\n cancel() {\n if (this.state == VisitState.started) {\n if (this.request) {\n this.request.cancel();\n }\n this.cancelRender();\n this.state = VisitState.canceled;\n }\n }\n\n complete() {\n if (this.state == VisitState.started) {\n this.recordTimingMetric(TimingMetric.visitEnd);\n this.adapter.visitCompleted(this);\n this.state = VisitState.completed;\n this.followRedirect();\n\n if (!this.followedRedirect) {\n this.delegate.visitCompleted(this);\n }\n }\n }\n\n fail() {\n if (this.state == VisitState.started) {\n this.state = VisitState.failed;\n this.adapter.visitFailed(this);\n this.delegate.visitCompleted(this);\n }\n }\n\n changeHistory() {\n if (!this.historyChanged && this.updateHistory) {\n const actionForHistory = this.location.href === this.referrer?.href ? \"replace\" : this.action;\n const method = getHistoryMethodForAction(actionForHistory);\n this.history.update(method, this.location, this.restorationIdentifier);\n this.historyChanged = true;\n }\n }\n\n issueRequest() {\n if (this.hasPreloadedResponse()) {\n this.simulateRequest();\n } else if (this.shouldIssueRequest() && !this.request) {\n this.request = new FetchRequest(this, FetchMethod.get, this.location);\n this.request.perform();\n }\n }\n\n simulateRequest() {\n if (this.response) {\n this.startRequest();\n this.recordResponse();\n this.finishRequest();\n }\n }\n\n startRequest() {\n this.recordTimingMetric(TimingMetric.requestStart);\n this.adapter.visitRequestStarted(this);\n }\n\n recordResponse(response = this.response) {\n this.response = response;\n if (response) {\n const { statusCode } = response;\n if (isSuccessful(statusCode)) {\n this.adapter.visitRequestCompleted(this);\n } else {\n this.adapter.visitRequestFailedWithStatusCode(this, statusCode);\n }\n }\n }\n\n finishRequest() {\n this.recordTimingMetric(TimingMetric.requestEnd);\n this.adapter.visitRequestFinished(this);\n }\n\n loadResponse() {\n if (this.response) {\n const { statusCode, responseHTML } = this.response;\n this.render(async () => {\n if (this.shouldCacheSnapshot) this.cacheSnapshot();\n if (this.view.renderPromise) await this.view.renderPromise;\n\n if (isSuccessful(statusCode) && responseHTML != null) {\n const snapshot = PageSnapshot.fromHTMLString(responseHTML);\n await this.renderPageSnapshot(snapshot, false);\n\n this.adapter.visitRendered(this);\n this.complete();\n } else {\n await this.view.renderError(PageSnapshot.fromHTMLString(responseHTML), this);\n this.adapter.visitRendered(this);\n this.fail();\n }\n });\n }\n }\n\n getCachedSnapshot() {\n const snapshot = this.view.getCachedSnapshotForLocation(this.location) || this.getPreloadedSnapshot();\n\n if (snapshot && (!getAnchor(this.location) || snapshot.hasAnchor(getAnchor(this.location)))) {\n if (this.action == \"restore\" || snapshot.isPreviewable) {\n return snapshot\n }\n }\n }\n\n getPreloadedSnapshot() {\n if (this.snapshotHTML) {\n return PageSnapshot.fromHTMLString(this.snapshotHTML)\n }\n }\n\n hasCachedSnapshot() {\n return this.getCachedSnapshot() != null\n }\n\n loadCachedSnapshot() {\n const snapshot = this.getCachedSnapshot();\n if (snapshot) {\n const isPreview = this.shouldIssueRequest();\n this.render(async () => {\n this.cacheSnapshot();\n if (this.isSamePage || this.isPageRefresh) {\n this.adapter.visitRendered(this);\n } else {\n if (this.view.renderPromise) await this.view.renderPromise;\n\n await this.renderPageSnapshot(snapshot, isPreview);\n\n this.adapter.visitRendered(this);\n if (!isPreview) {\n this.complete();\n }\n }\n });\n }\n }\n\n followRedirect() {\n if (this.redirectedToLocation && !this.followedRedirect && this.response?.redirected) {\n this.adapter.visitProposedToLocation(this.redirectedToLocation, {\n action: \"replace\",\n response: this.response,\n shouldCacheSnapshot: false,\n willRender: false\n });\n this.followedRedirect = true;\n }\n }\n\n goToSamePageAnchor() {\n if (this.isSamePage) {\n this.render(async () => {\n this.cacheSnapshot();\n this.performScroll();\n this.changeHistory();\n this.adapter.visitRendered(this);\n });\n }\n }\n\n // Fetch request delegate\n\n prepareRequest(request) {\n if (this.acceptsStreamResponse) {\n request.acceptResponseType(StreamMessage.contentType);\n }\n }\n\n requestStarted() {\n this.startRequest();\n }\n\n requestPreventedHandlingResponse(_request, _response) {}\n\n async requestSucceededWithResponse(request, response) {\n const responseHTML = await response.responseHTML;\n const { redirected, statusCode } = response;\n if (responseHTML == undefined) {\n this.recordResponse({\n statusCode: SystemStatusCode.contentTypeMismatch,\n redirected\n });\n } else {\n this.redirectedToLocation = response.redirected ? response.location : undefined;\n this.recordResponse({ statusCode: statusCode, responseHTML, redirected });\n }\n }\n\n async requestFailedWithResponse(request, response) {\n const responseHTML = await response.responseHTML;\n const { redirected, statusCode } = response;\n if (responseHTML == undefined) {\n this.recordResponse({\n statusCode: SystemStatusCode.contentTypeMismatch,\n redirected\n });\n } else {\n this.recordResponse({ statusCode: statusCode, responseHTML, redirected });\n }\n }\n\n requestErrored(_request, _error) {\n this.recordResponse({\n statusCode: SystemStatusCode.networkFailure,\n redirected: false\n });\n }\n\n requestFinished() {\n this.finishRequest();\n }\n\n // Scrolling\n\n performScroll() {\n if (!this.scrolled && !this.view.forceReloaded && !this.view.shouldPreserveScrollPosition(this)) {\n if (this.action == \"restore\") {\n this.scrollToRestoredPosition() || this.scrollToAnchor() || this.view.scrollToTop();\n } else {\n this.scrollToAnchor() || this.view.scrollToTop();\n }\n if (this.isSamePage) {\n this.delegate.visitScrolledToSamePageLocation(this.view.lastRenderedLocation, this.location);\n }\n\n this.scrolled = true;\n }\n }\n\n scrollToRestoredPosition() {\n const { scrollPosition } = this.restorationData;\n if (scrollPosition) {\n this.view.scrollToPosition(scrollPosition);\n return true\n }\n }\n\n scrollToAnchor() {\n const anchor = getAnchor(this.location);\n if (anchor != null) {\n this.view.scrollToAnchor(anchor);\n return true\n }\n }\n\n // Instrumentation\n\n recordTimingMetric(metric) {\n this.timingMetrics[metric] = new Date().getTime();\n }\n\n getTimingMetrics() {\n return { ...this.timingMetrics }\n }\n\n // Private\n\n getHistoryMethodForAction(action) {\n switch (action) {\n case \"replace\":\n return history.replaceState\n case \"advance\":\n case \"restore\":\n return history.pushState\n }\n }\n\n hasPreloadedResponse() {\n return typeof this.response == \"object\"\n }\n\n shouldIssueRequest() {\n if (this.isSamePage) {\n return false\n } else if (this.action == \"restore\") {\n return !this.hasCachedSnapshot()\n } else {\n return this.willRender\n }\n }\n\n cacheSnapshot() {\n if (!this.snapshotCached) {\n this.view.cacheSnapshot(this.snapshot).then((snapshot) => snapshot && this.visitCachedSnapshot(snapshot));\n this.snapshotCached = true;\n }\n }\n\n async render(callback) {\n this.cancelRender();\n await new Promise((resolve) => {\n this.frame =\n document.visibilityState === \"hidden\" ? setTimeout(() => resolve(), 0) : requestAnimationFrame(() => resolve());\n });\n await callback();\n delete this.frame;\n }\n\n async renderPageSnapshot(snapshot, isPreview) {\n await this.viewTransitioner.renderChange(this.view.shouldTransitionTo(snapshot), async () => {\n await this.view.renderPage(snapshot, isPreview, this.willRender, this);\n this.performScroll();\n });\n }\n\n cancelRender() {\n if (this.frame) {\n cancelAnimationFrame(this.frame);\n delete this.frame;\n }\n }\n}\n\nfunction isSuccessful(statusCode) {\n return statusCode >= 200 && statusCode < 300\n}\n\nclass BrowserAdapter {\n progressBar = new ProgressBar()\n\n constructor(session) {\n this.session = session;\n }\n\n visitProposedToLocation(location, options) {\n if (locationIsVisitable(location, this.navigator.rootLocation)) {\n this.navigator.startVisit(location, options?.restorationIdentifier || uuid(), options);\n } else {\n window.location.href = location.toString();\n }\n }\n\n visitStarted(visit) {\n this.location = visit.location;\n visit.loadCachedSnapshot();\n visit.issueRequest();\n visit.goToSamePageAnchor();\n }\n\n visitRequestStarted(visit) {\n this.progressBar.setValue(0);\n if (visit.hasCachedSnapshot() || visit.action != \"restore\") {\n this.showVisitProgressBarAfterDelay();\n } else {\n this.showProgressBar();\n }\n }\n\n visitRequestCompleted(visit) {\n visit.loadResponse();\n }\n\n visitRequestFailedWithStatusCode(visit, statusCode) {\n switch (statusCode) {\n case SystemStatusCode.networkFailure:\n case SystemStatusCode.timeoutFailure:\n case SystemStatusCode.contentTypeMismatch:\n return this.reload({\n reason: \"request_failed\",\n context: {\n statusCode\n }\n })\n default:\n return visit.loadResponse()\n }\n }\n\n visitRequestFinished(_visit) {}\n\n visitCompleted(_visit) {\n this.progressBar.setValue(1);\n this.hideVisitProgressBar();\n }\n\n pageInvalidated(reason) {\n this.reload(reason);\n }\n\n visitFailed(_visit) {\n this.progressBar.setValue(1);\n this.hideVisitProgressBar();\n }\n\n visitRendered(_visit) {}\n\n // Form Submission Delegate\n\n formSubmissionStarted(_formSubmission) {\n this.progressBar.setValue(0);\n this.showFormProgressBarAfterDelay();\n }\n\n formSubmissionFinished(_formSubmission) {\n this.progressBar.setValue(1);\n this.hideFormProgressBar();\n }\n\n // Private\n\n showVisitProgressBarAfterDelay() {\n this.visitProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay);\n }\n\n hideVisitProgressBar() {\n this.progressBar.hide();\n if (this.visitProgressBarTimeout != null) {\n window.clearTimeout(this.visitProgressBarTimeout);\n delete this.visitProgressBarTimeout;\n }\n }\n\n showFormProgressBarAfterDelay() {\n if (this.formProgressBarTimeout == null) {\n this.formProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay);\n }\n }\n\n hideFormProgressBar() {\n this.progressBar.hide();\n if (this.formProgressBarTimeout != null) {\n window.clearTimeout(this.formProgressBarTimeout);\n delete this.formProgressBarTimeout;\n }\n }\n\n showProgressBar = () => {\n this.progressBar.show();\n }\n\n reload(reason) {\n dispatch(\"turbo:reload\", { detail: reason });\n\n window.location.href = this.location?.toString() || window.location.href;\n }\n\n get navigator() {\n return this.session.navigator\n }\n}\n\nclass CacheObserver {\n selector = \"[data-turbo-temporary]\"\n deprecatedSelector = \"[data-turbo-cache=false]\"\n\n started = false\n\n start() {\n if (!this.started) {\n this.started = true;\n addEventListener(\"turbo:before-cache\", this.removeTemporaryElements, false);\n }\n }\n\n stop() {\n if (this.started) {\n this.started = false;\n removeEventListener(\"turbo:before-cache\", this.removeTemporaryElements, false);\n }\n }\n\n removeTemporaryElements = (_event) => {\n for (const element of this.temporaryElements) {\n element.remove();\n }\n }\n\n get temporaryElements() {\n return [...document.querySelectorAll(this.selector), ...this.temporaryElementsWithDeprecation]\n }\n\n get temporaryElementsWithDeprecation() {\n const elements = document.querySelectorAll(this.deprecatedSelector);\n\n if (elements.length) {\n console.warn(\n `The ${this.deprecatedSelector} selector is deprecated and will be removed in a future version. Use ${this.selector} instead.`\n );\n }\n\n return [...elements]\n }\n}\n\nclass FrameRedirector {\n constructor(session, element) {\n this.session = session;\n this.element = element;\n this.linkInterceptor = new LinkInterceptor(this, element);\n this.formSubmitObserver = new FormSubmitObserver(this, element);\n }\n\n start() {\n this.linkInterceptor.start();\n this.formSubmitObserver.start();\n }\n\n stop() {\n this.linkInterceptor.stop();\n this.formSubmitObserver.stop();\n }\n\n // Link interceptor delegate\n\n shouldInterceptLinkClick(element, _location, _event) {\n return this.#shouldRedirect(element)\n }\n\n linkClickIntercepted(element, url, event) {\n const frame = this.#findFrameElement(element);\n if (frame) {\n frame.delegate.linkClickIntercepted(element, url, event);\n }\n }\n\n // Form submit observer delegate\n\n willSubmitForm(element, submitter) {\n return (\n element.closest(\"turbo-frame\") == null &&\n this.#shouldSubmit(element, submitter) &&\n this.#shouldRedirect(element, submitter)\n )\n }\n\n formSubmitted(element, submitter) {\n const frame = this.#findFrameElement(element, submitter);\n if (frame) {\n frame.delegate.formSubmitted(element, submitter);\n }\n }\n\n #shouldSubmit(form, submitter) {\n const action = getAction$1(form, submitter);\n const meta = this.element.ownerDocument.querySelector(`meta[name=\"turbo-root\"]`);\n const rootLocation = expandURL(meta?.content ?? \"/\");\n\n return this.#shouldRedirect(form, submitter) && locationIsVisitable(action, rootLocation)\n }\n\n #shouldRedirect(element, submitter) {\n const isNavigatable =\n element instanceof HTMLFormElement\n ? this.session.submissionIsNavigatable(element, submitter)\n : this.session.elementIsNavigatable(element);\n\n if (isNavigatable) {\n const frame = this.#findFrameElement(element, submitter);\n return frame ? frame != element.closest(\"turbo-frame\") : false\n } else {\n return false\n }\n }\n\n #findFrameElement(element, submitter) {\n const id = submitter?.getAttribute(\"data-turbo-frame\") || element.getAttribute(\"data-turbo-frame\");\n if (id && id != \"_top\") {\n const frame = this.element.querySelector(`#${id}:not([disabled])`);\n if (frame instanceof FrameElement) {\n return frame\n }\n }\n }\n}\n\nclass History {\n location\n restorationIdentifier = uuid()\n restorationData = {}\n started = false\n pageLoaded = false\n currentIndex = 0\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.started) {\n addEventListener(\"popstate\", this.onPopState, false);\n addEventListener(\"load\", this.onPageLoad, false);\n this.currentIndex = history.state?.turbo?.restorationIndex || 0;\n this.started = true;\n this.replace(new URL(window.location.href));\n }\n }\n\n stop() {\n if (this.started) {\n removeEventListener(\"popstate\", this.onPopState, false);\n removeEventListener(\"load\", this.onPageLoad, false);\n this.started = false;\n }\n }\n\n push(location, restorationIdentifier) {\n this.update(history.pushState, location, restorationIdentifier);\n }\n\n replace(location, restorationIdentifier) {\n this.update(history.replaceState, location, restorationIdentifier);\n }\n\n update(method, location, restorationIdentifier = uuid()) {\n if (method === history.pushState) ++this.currentIndex;\n\n const state = { turbo: { restorationIdentifier, restorationIndex: this.currentIndex } };\n method.call(history, state, \"\", location.href);\n this.location = location;\n this.restorationIdentifier = restorationIdentifier;\n }\n\n // Restoration data\n\n getRestorationDataForIdentifier(restorationIdentifier) {\n return this.restorationData[restorationIdentifier] || {}\n }\n\n updateRestorationData(additionalData) {\n const { restorationIdentifier } = this;\n const restorationData = this.restorationData[restorationIdentifier];\n this.restorationData[restorationIdentifier] = {\n ...restorationData,\n ...additionalData\n };\n }\n\n // Scroll restoration\n\n assumeControlOfScrollRestoration() {\n if (!this.previousScrollRestoration) {\n this.previousScrollRestoration = history.scrollRestoration ?? \"auto\";\n history.scrollRestoration = \"manual\";\n }\n }\n\n relinquishControlOfScrollRestoration() {\n if (this.previousScrollRestoration) {\n history.scrollRestoration = this.previousScrollRestoration;\n delete this.previousScrollRestoration;\n }\n }\n\n // Event handlers\n\n onPopState = (event) => {\n if (this.shouldHandlePopState()) {\n const { turbo } = event.state || {};\n if (turbo) {\n this.location = new URL(window.location.href);\n const { restorationIdentifier, restorationIndex } = turbo;\n this.restorationIdentifier = restorationIdentifier;\n const direction = restorationIndex > this.currentIndex ? \"forward\" : \"back\";\n this.delegate.historyPoppedToLocationWithRestorationIdentifierAndDirection(this.location, restorationIdentifier, direction);\n this.currentIndex = restorationIndex;\n }\n }\n }\n\n onPageLoad = async (_event) => {\n await nextMicrotask();\n this.pageLoaded = true;\n }\n\n // Private\n\n shouldHandlePopState() {\n // Safari dispatches a popstate event after window's load event, ignore it\n return this.pageIsLoaded()\n }\n\n pageIsLoaded() {\n return this.pageLoaded || document.readyState == \"complete\"\n }\n}\n\nclass LinkPrefetchObserver {\n started = false\n #prefetchedLink = null\n\n constructor(delegate, eventTarget) {\n this.delegate = delegate;\n this.eventTarget = eventTarget;\n }\n\n start() {\n if (this.started) return\n\n if (this.eventTarget.readyState === \"loading\") {\n this.eventTarget.addEventListener(\"DOMContentLoaded\", this.#enable, { once: true });\n } else {\n this.#enable();\n }\n }\n\n stop() {\n if (!this.started) return\n\n this.eventTarget.removeEventListener(\"mouseenter\", this.#tryToPrefetchRequest, {\n capture: true,\n passive: true\n });\n this.eventTarget.removeEventListener(\"mouseleave\", this.#cancelRequestIfObsolete, {\n capture: true,\n passive: true\n });\n\n this.eventTarget.removeEventListener(\"turbo:before-fetch-request\", this.#tryToUsePrefetchedRequest, true);\n this.started = false;\n }\n\n #enable = () => {\n this.eventTarget.addEventListener(\"mouseenter\", this.#tryToPrefetchRequest, {\n capture: true,\n passive: true\n });\n this.eventTarget.addEventListener(\"mouseleave\", this.#cancelRequestIfObsolete, {\n capture: true,\n passive: true\n });\n\n this.eventTarget.addEventListener(\"turbo:before-fetch-request\", this.#tryToUsePrefetchedRequest, true);\n this.started = true;\n }\n\n #tryToPrefetchRequest = (event) => {\n if (getMetaContent(\"turbo-prefetch\") === \"false\") return\n\n const target = event.target;\n const isLink = target.matches && target.matches(\"a[href]:not([target^=_]):not([download])\");\n\n if (isLink && this.#isPrefetchable(target)) {\n const link = target;\n const location = getLocationForLink(link);\n\n if (this.delegate.canPrefetchRequestToLocation(link, location)) {\n this.#prefetchedLink = link;\n\n const fetchRequest = new FetchRequest(\n this,\n FetchMethod.get,\n location,\n new URLSearchParams(),\n target\n );\n\n prefetchCache.setLater(location.toString(), fetchRequest, this.#cacheTtl);\n }\n }\n }\n\n #cancelRequestIfObsolete = (event) => {\n if (event.target === this.#prefetchedLink) this.#cancelPrefetchRequest();\n }\n\n #cancelPrefetchRequest = () => {\n prefetchCache.clear();\n this.#prefetchedLink = null;\n }\n\n #tryToUsePrefetchedRequest = (event) => {\n if (event.target.tagName !== \"FORM\" && event.detail.fetchOptions.method === \"GET\") {\n const cached = prefetchCache.get(event.detail.url.toString());\n\n if (cached) {\n // User clicked link, use cache response\n event.detail.fetchRequest = cached;\n }\n\n prefetchCache.clear();\n }\n }\n\n prepareRequest(request) {\n const link = request.target;\n\n request.headers[\"X-Sec-Purpose\"] = \"prefetch\";\n\n const turboFrame = link.closest(\"turbo-frame\");\n const turboFrameTarget = link.getAttribute(\"data-turbo-frame\") || turboFrame?.getAttribute(\"target\") || turboFrame?.id;\n\n if (turboFrameTarget && turboFrameTarget !== \"_top\") {\n request.headers[\"Turbo-Frame\"] = turboFrameTarget;\n }\n }\n\n // Fetch request interface\n\n requestSucceededWithResponse() {}\n\n requestStarted(fetchRequest) {}\n\n requestErrored(fetchRequest) {}\n\n requestFinished(fetchRequest) {}\n\n requestPreventedHandlingResponse(fetchRequest, fetchResponse) {}\n\n requestFailedWithResponse(fetchRequest, fetchResponse) {}\n\n get #cacheTtl() {\n return Number(getMetaContent(\"turbo-prefetch-cache-time\")) || cacheTtl\n }\n\n #isPrefetchable(link) {\n const href = link.getAttribute(\"href\");\n\n if (!href) return false\n\n if (unfetchableLink(link)) return false\n if (linkToTheSamePage(link)) return false\n if (linkOptsOut(link)) return false\n if (nonSafeLink(link)) return false\n if (eventPrevented(link)) return false\n\n return true\n }\n}\n\nconst unfetchableLink = (link) => {\n return link.origin !== document.location.origin || ![\"http:\", \"https:\"].includes(link.protocol) || link.hasAttribute(\"target\")\n};\n\nconst linkToTheSamePage = (link) => {\n return (link.pathname + link.search === document.location.pathname + document.location.search) || link.href.startsWith(\"#\")\n};\n\nconst linkOptsOut = (link) => {\n if (link.getAttribute(\"data-turbo-prefetch\") === \"false\") return true\n if (link.getAttribute(\"data-turbo\") === \"false\") return true\n\n const turboPrefetchParent = findClosestRecursively(link, \"[data-turbo-prefetch]\");\n if (turboPrefetchParent && turboPrefetchParent.getAttribute(\"data-turbo-prefetch\") === \"false\") return true\n\n return false\n};\n\nconst nonSafeLink = (link) => {\n const turboMethod = link.getAttribute(\"data-turbo-method\");\n if (turboMethod && turboMethod.toLowerCase() !== \"get\") return true\n\n if (isUJS(link)) return true\n if (link.hasAttribute(\"data-turbo-confirm\")) return true\n if (link.hasAttribute(\"data-turbo-stream\")) return true\n\n return false\n};\n\nconst isUJS = (link) => {\n return link.hasAttribute(\"data-remote\") || link.hasAttribute(\"data-behavior\") || link.hasAttribute(\"data-confirm\") || link.hasAttribute(\"data-method\")\n};\n\nconst eventPrevented = (link) => {\n const event = dispatch(\"turbo:before-prefetch\", { target: link, cancelable: true });\n return event.defaultPrevented\n};\n\nclass Navigator {\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n proposeVisit(location, options = {}) {\n if (this.delegate.allowsVisitingLocationWithAction(location, options.action)) {\n this.delegate.visitProposedToLocation(location, options);\n }\n }\n\n startVisit(locatable, restorationIdentifier, options = {}) {\n this.stop();\n this.currentVisit = new Visit(this, expandURL(locatable), restorationIdentifier, {\n referrer: this.location,\n ...options\n });\n this.currentVisit.start();\n }\n\n submitForm(form, submitter) {\n this.stop();\n this.formSubmission = new FormSubmission(this, form, submitter, true);\n\n this.formSubmission.start();\n }\n\n stop() {\n if (this.formSubmission) {\n this.formSubmission.stop();\n delete this.formSubmission;\n }\n\n if (this.currentVisit) {\n this.currentVisit.cancel();\n delete this.currentVisit;\n }\n }\n\n get adapter() {\n return this.delegate.adapter\n }\n\n get view() {\n return this.delegate.view\n }\n\n get rootLocation() {\n return this.view.snapshot.rootLocation\n }\n\n get history() {\n return this.delegate.history\n }\n\n // Form submission delegate\n\n formSubmissionStarted(formSubmission) {\n // Not all adapters implement formSubmissionStarted\n if (typeof this.adapter.formSubmissionStarted === \"function\") {\n this.adapter.formSubmissionStarted(formSubmission);\n }\n }\n\n async formSubmissionSucceededWithResponse(formSubmission, fetchResponse) {\n if (formSubmission == this.formSubmission) {\n const responseHTML = await fetchResponse.responseHTML;\n if (responseHTML) {\n const shouldCacheSnapshot = formSubmission.isSafe;\n if (!shouldCacheSnapshot) {\n this.view.clearSnapshotCache();\n }\n\n const { statusCode, redirected } = fetchResponse;\n const action = this.#getActionForFormSubmission(formSubmission, fetchResponse);\n const visitOptions = {\n action,\n shouldCacheSnapshot,\n response: { statusCode, responseHTML, redirected }\n };\n this.proposeVisit(fetchResponse.location, visitOptions);\n }\n }\n }\n\n async formSubmissionFailedWithResponse(formSubmission, fetchResponse) {\n const responseHTML = await fetchResponse.responseHTML;\n\n if (responseHTML) {\n const snapshot = PageSnapshot.fromHTMLString(responseHTML);\n if (fetchResponse.serverError) {\n await this.view.renderError(snapshot, this.currentVisit);\n } else {\n await this.view.renderPage(snapshot, false, true, this.currentVisit);\n }\n if(!snapshot.shouldPreserveScrollPosition) {\n this.view.scrollToTop();\n }\n this.view.clearSnapshotCache();\n }\n }\n\n formSubmissionErrored(formSubmission, error) {\n console.error(error);\n }\n\n formSubmissionFinished(formSubmission) {\n // Not all adapters implement formSubmissionFinished\n if (typeof this.adapter.formSubmissionFinished === \"function\") {\n this.adapter.formSubmissionFinished(formSubmission);\n }\n }\n\n // Visit delegate\n\n visitStarted(visit) {\n this.delegate.visitStarted(visit);\n }\n\n visitCompleted(visit) {\n this.delegate.visitCompleted(visit);\n delete this.currentVisit;\n }\n\n locationWithActionIsSamePage(location, action) {\n const anchor = getAnchor(location);\n const currentAnchor = getAnchor(this.view.lastRenderedLocation);\n const isRestorationToTop = action === \"restore\" && typeof anchor === \"undefined\";\n\n return (\n action !== \"replace\" &&\n getRequestURL(location) === getRequestURL(this.view.lastRenderedLocation) &&\n (isRestorationToTop || (anchor != null && anchor !== currentAnchor))\n )\n }\n\n visitScrolledToSamePageLocation(oldURL, newURL) {\n this.delegate.visitScrolledToSamePageLocation(oldURL, newURL);\n }\n\n // Visits\n\n get location() {\n return this.history.location\n }\n\n get restorationIdentifier() {\n return this.history.restorationIdentifier\n }\n\n #getActionForFormSubmission(formSubmission, fetchResponse) {\n const { submitter, formElement } = formSubmission;\n return getVisitAction(submitter, formElement) || this.#getDefaultAction(fetchResponse)\n }\n\n #getDefaultAction(fetchResponse) {\n const sameLocationRedirect = fetchResponse.redirected && fetchResponse.location.href === this.location?.href;\n return sameLocationRedirect ? \"replace\" : \"advance\"\n }\n}\n\nconst PageStage = {\n initial: 0,\n loading: 1,\n interactive: 2,\n complete: 3\n};\n\nclass PageObserver {\n stage = PageStage.initial\n started = false\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.started) {\n if (this.stage == PageStage.initial) {\n this.stage = PageStage.loading;\n }\n document.addEventListener(\"readystatechange\", this.interpretReadyState, false);\n addEventListener(\"pagehide\", this.pageWillUnload, false);\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n document.removeEventListener(\"readystatechange\", this.interpretReadyState, false);\n removeEventListener(\"pagehide\", this.pageWillUnload, false);\n this.started = false;\n }\n }\n\n interpretReadyState = () => {\n const { readyState } = this;\n if (readyState == \"interactive\") {\n this.pageIsInteractive();\n } else if (readyState == \"complete\") {\n this.pageIsComplete();\n }\n }\n\n pageIsInteractive() {\n if (this.stage == PageStage.loading) {\n this.stage = PageStage.interactive;\n this.delegate.pageBecameInteractive();\n }\n }\n\n pageIsComplete() {\n this.pageIsInteractive();\n if (this.stage == PageStage.interactive) {\n this.stage = PageStage.complete;\n this.delegate.pageLoaded();\n }\n }\n\n pageWillUnload = () => {\n this.delegate.pageWillUnload();\n }\n\n get readyState() {\n return document.readyState\n }\n}\n\nclass ScrollObserver {\n started = false\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.started) {\n addEventListener(\"scroll\", this.onScroll, false);\n this.onScroll();\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n removeEventListener(\"scroll\", this.onScroll, false);\n this.started = false;\n }\n }\n\n onScroll = () => {\n this.updatePosition({ x: window.pageXOffset, y: window.pageYOffset });\n }\n\n // Private\n\n updatePosition(position) {\n this.delegate.scrollPositionChanged(position);\n }\n}\n\nclass StreamMessageRenderer {\n render({ fragment }) {\n Bardo.preservingPermanentElements(this, getPermanentElementMapForFragment(fragment), () => {\n withAutofocusFromFragment(fragment, () => {\n withPreservedFocus(() => {\n document.documentElement.appendChild(fragment);\n });\n });\n });\n }\n\n // Bardo delegate\n\n enteringBardo(currentPermanentElement, newPermanentElement) {\n newPermanentElement.replaceWith(currentPermanentElement.cloneNode(true));\n }\n\n leavingBardo() {}\n}\n\nfunction getPermanentElementMapForFragment(fragment) {\n const permanentElementsInDocument = queryPermanentElementsAll(document.documentElement);\n const permanentElementMap = {};\n for (const permanentElementInDocument of permanentElementsInDocument) {\n const { id } = permanentElementInDocument;\n\n for (const streamElement of fragment.querySelectorAll(\"turbo-stream\")) {\n const elementInStream = getPermanentElementById(streamElement.templateElement.content, id);\n\n if (elementInStream) {\n permanentElementMap[id] = [permanentElementInDocument, elementInStream];\n }\n }\n }\n\n return permanentElementMap\n}\n\nasync function withAutofocusFromFragment(fragment, callback) {\n const generatedID = `turbo-stream-autofocus-${uuid()}`;\n const turboStreams = fragment.querySelectorAll(\"turbo-stream\");\n const elementWithAutofocus = firstAutofocusableElementInStreams(turboStreams);\n let willAutofocusId = null;\n\n if (elementWithAutofocus) {\n if (elementWithAutofocus.id) {\n willAutofocusId = elementWithAutofocus.id;\n } else {\n willAutofocusId = generatedID;\n }\n\n elementWithAutofocus.id = willAutofocusId;\n }\n\n callback();\n await nextRepaint();\n\n const hasNoActiveElement = document.activeElement == null || document.activeElement == document.body;\n\n if (hasNoActiveElement && willAutofocusId) {\n const elementToAutofocus = document.getElementById(willAutofocusId);\n\n if (elementIsFocusable(elementToAutofocus)) {\n elementToAutofocus.focus();\n }\n if (elementToAutofocus && elementToAutofocus.id == generatedID) {\n elementToAutofocus.removeAttribute(\"id\");\n }\n }\n}\n\nasync function withPreservedFocus(callback) {\n const [activeElementBeforeRender, activeElementAfterRender] = await around(callback, () => document.activeElement);\n\n const restoreFocusTo = activeElementBeforeRender && activeElementBeforeRender.id;\n\n if (restoreFocusTo) {\n const elementToFocus = document.getElementById(restoreFocusTo);\n\n if (elementIsFocusable(elementToFocus) && elementToFocus != activeElementAfterRender) {\n elementToFocus.focus();\n }\n }\n}\n\nfunction firstAutofocusableElementInStreams(nodeListOfStreamElements) {\n for (const streamElement of nodeListOfStreamElements) {\n const elementWithAutofocus = queryAutofocusableElement(streamElement.templateElement.content);\n\n if (elementWithAutofocus) return elementWithAutofocus\n }\n\n return null\n}\n\nclass StreamObserver {\n sources = new Set()\n #started = false\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.#started) {\n this.#started = true;\n addEventListener(\"turbo:before-fetch-response\", this.inspectFetchResponse, false);\n }\n }\n\n stop() {\n if (this.#started) {\n this.#started = false;\n removeEventListener(\"turbo:before-fetch-response\", this.inspectFetchResponse, false);\n }\n }\n\n connectStreamSource(source) {\n if (!this.streamSourceIsConnected(source)) {\n this.sources.add(source);\n source.addEventListener(\"message\", this.receiveMessageEvent, false);\n }\n }\n\n disconnectStreamSource(source) {\n if (this.streamSourceIsConnected(source)) {\n this.sources.delete(source);\n source.removeEventListener(\"message\", this.receiveMessageEvent, false);\n }\n }\n\n streamSourceIsConnected(source) {\n return this.sources.has(source)\n }\n\n inspectFetchResponse = (event) => {\n const response = fetchResponseFromEvent(event);\n if (response && fetchResponseIsStream(response)) {\n event.preventDefault();\n this.receiveMessageResponse(response);\n }\n }\n\n receiveMessageEvent = (event) => {\n if (this.#started && typeof event.data == \"string\") {\n this.receiveMessageHTML(event.data);\n }\n }\n\n async receiveMessageResponse(response) {\n const html = await response.responseHTML;\n if (html) {\n this.receiveMessageHTML(html);\n }\n }\n\n receiveMessageHTML(html) {\n this.delegate.receivedMessageFromStream(StreamMessage.wrap(html));\n }\n}\n\nfunction fetchResponseFromEvent(event) {\n const fetchResponse = event.detail?.fetchResponse;\n if (fetchResponse instanceof FetchResponse) {\n return fetchResponse\n }\n}\n\nfunction fetchResponseIsStream(response) {\n const contentType = response.contentType ?? \"\";\n return contentType.startsWith(StreamMessage.contentType)\n}\n\nclass ErrorRenderer extends Renderer {\n static renderElement(currentElement, newElement) {\n const { documentElement, body } = document;\n\n documentElement.replaceChild(newElement, body);\n }\n\n async render() {\n this.replaceHeadAndBody();\n this.activateScriptElements();\n }\n\n replaceHeadAndBody() {\n const { documentElement, head } = document;\n documentElement.replaceChild(this.newHead, head);\n this.renderElement(this.currentElement, this.newElement);\n }\n\n activateScriptElements() {\n for (const replaceableElement of this.scriptElements) {\n const parentNode = replaceableElement.parentNode;\n if (parentNode) {\n const element = activateScriptElement(replaceableElement);\n parentNode.replaceChild(element, replaceableElement);\n }\n }\n }\n\n get newHead() {\n return this.newSnapshot.headSnapshot.element\n }\n\n get scriptElements() {\n return document.documentElement.querySelectorAll(\"script\")\n }\n}\n\nclass PageRenderer extends Renderer {\n static renderElement(currentElement, newElement) {\n if (document.body && newElement instanceof HTMLBodyElement) {\n document.body.replaceWith(newElement);\n } else {\n document.documentElement.appendChild(newElement);\n }\n }\n\n get shouldRender() {\n return this.newSnapshot.isVisitable && this.trackedElementsAreIdentical\n }\n\n get reloadReason() {\n if (!this.newSnapshot.isVisitable) {\n return {\n reason: \"turbo_visit_control_is_reload\"\n }\n }\n\n if (!this.trackedElementsAreIdentical) {\n return {\n reason: \"tracked_element_mismatch\"\n }\n }\n }\n\n async prepareToRender() {\n this.#setLanguage();\n await this.mergeHead();\n }\n\n async render() {\n if (this.willRender) {\n await this.replaceBody();\n }\n }\n\n finishRendering() {\n super.finishRendering();\n if (!this.isPreview) {\n this.focusFirstAutofocusableElement();\n }\n }\n\n get currentHeadSnapshot() {\n return this.currentSnapshot.headSnapshot\n }\n\n get newHeadSnapshot() {\n return this.newSnapshot.headSnapshot\n }\n\n get newElement() {\n return this.newSnapshot.element\n }\n\n #setLanguage() {\n const { documentElement } = this.currentSnapshot;\n const { lang } = this.newSnapshot;\n\n if (lang) {\n documentElement.setAttribute(\"lang\", lang);\n } else {\n documentElement.removeAttribute(\"lang\");\n }\n }\n\n async mergeHead() {\n const mergedHeadElements = this.mergeProvisionalElements();\n const newStylesheetElements = this.copyNewHeadStylesheetElements();\n this.copyNewHeadScriptElements();\n\n await mergedHeadElements;\n await newStylesheetElements;\n\n if (this.willRender) {\n this.removeUnusedDynamicStylesheetElements();\n }\n }\n\n async replaceBody() {\n await this.preservingPermanentElements(async () => {\n this.activateNewBody();\n await this.assignNewBody();\n });\n }\n\n get trackedElementsAreIdentical() {\n return this.currentHeadSnapshot.trackedElementSignature == this.newHeadSnapshot.trackedElementSignature\n }\n\n async copyNewHeadStylesheetElements() {\n const loadingElements = [];\n\n for (const element of this.newHeadStylesheetElements) {\n loadingElements.push(waitForLoad(element));\n\n document.head.appendChild(element);\n }\n\n await Promise.all(loadingElements);\n }\n\n copyNewHeadScriptElements() {\n for (const element of this.newHeadScriptElements) {\n document.head.appendChild(activateScriptElement(element));\n }\n }\n\n removeUnusedDynamicStylesheetElements() {\n for (const element of this.unusedDynamicStylesheetElements) {\n document.head.removeChild(element);\n }\n }\n\n async mergeProvisionalElements() {\n const newHeadElements = [...this.newHeadProvisionalElements];\n\n for (const element of this.currentHeadProvisionalElements) {\n if (!this.isCurrentElementInElementList(element, newHeadElements)) {\n document.head.removeChild(element);\n }\n }\n\n for (const element of newHeadElements) {\n document.head.appendChild(element);\n }\n }\n\n isCurrentElementInElementList(element, elementList) {\n for (const [index, newElement] of elementList.entries()) {\n // if title element...\n if (element.tagName == \"TITLE\") {\n if (newElement.tagName != \"TITLE\") {\n continue\n }\n if (element.innerHTML == newElement.innerHTML) {\n elementList.splice(index, 1);\n return true\n }\n }\n\n // if any other element...\n if (newElement.isEqualNode(element)) {\n elementList.splice(index, 1);\n return true\n }\n }\n\n return false\n }\n\n removeCurrentHeadProvisionalElements() {\n for (const element of this.currentHeadProvisionalElements) {\n document.head.removeChild(element);\n }\n }\n\n copyNewHeadProvisionalElements() {\n for (const element of this.newHeadProvisionalElements) {\n document.head.appendChild(element);\n }\n }\n\n activateNewBody() {\n document.adoptNode(this.newElement);\n this.activateNewBodyScriptElements();\n }\n\n activateNewBodyScriptElements() {\n for (const inertScriptElement of this.newBodyScriptElements) {\n const activatedScriptElement = activateScriptElement(inertScriptElement);\n inertScriptElement.replaceWith(activatedScriptElement);\n }\n }\n\n async assignNewBody() {\n await this.renderElement(this.currentElement, this.newElement);\n }\n\n get unusedDynamicStylesheetElements() {\n return this.oldHeadStylesheetElements.filter((element) => {\n return element.getAttribute(\"data-turbo-track\") === \"dynamic\"\n })\n }\n\n get oldHeadStylesheetElements() {\n return this.currentHeadSnapshot.getStylesheetElementsNotInSnapshot(this.newHeadSnapshot)\n }\n\n get newHeadStylesheetElements() {\n return this.newHeadSnapshot.getStylesheetElementsNotInSnapshot(this.currentHeadSnapshot)\n }\n\n get newHeadScriptElements() {\n return this.newHeadSnapshot.getScriptElementsNotInSnapshot(this.currentHeadSnapshot)\n }\n\n get currentHeadProvisionalElements() {\n return this.currentHeadSnapshot.provisionalElements\n }\n\n get newHeadProvisionalElements() {\n return this.newHeadSnapshot.provisionalElements\n }\n\n get newBodyScriptElements() {\n return this.newElement.querySelectorAll(\"script\")\n }\n}\n\nclass MorphingPageRenderer extends PageRenderer {\n static renderElement(currentElement, newElement) {\n morphElements(currentElement, newElement, {\n callbacks: {\n beforeNodeMorphed: element => !canRefreshFrame(element)\n }\n });\n\n for (const frame of currentElement.querySelectorAll(\"turbo-frame\")) {\n if (canRefreshFrame(frame)) frame.reload();\n }\n\n dispatch(\"turbo:morph\", { detail: { currentElement, newElement } });\n }\n\n async preservingPermanentElements(callback) {\n return await callback()\n }\n\n get renderMethod() {\n return \"morph\"\n }\n\n get shouldAutofocus() {\n return false\n }\n}\n\nfunction canRefreshFrame(frame) {\n return frame instanceof FrameElement &&\n frame.src &&\n frame.refresh === \"morph\" &&\n !frame.closest(\"[data-turbo-permanent]\")\n}\n\nclass SnapshotCache {\n keys = []\n snapshots = {}\n\n constructor(size) {\n this.size = size;\n }\n\n has(location) {\n return toCacheKey(location) in this.snapshots\n }\n\n get(location) {\n if (this.has(location)) {\n const snapshot = this.read(location);\n this.touch(location);\n return snapshot\n }\n }\n\n put(location, snapshot) {\n this.write(location, snapshot);\n this.touch(location);\n return snapshot\n }\n\n clear() {\n this.snapshots = {};\n }\n\n // Private\n\n read(location) {\n return this.snapshots[toCacheKey(location)]\n }\n\n write(location, snapshot) {\n this.snapshots[toCacheKey(location)] = snapshot;\n }\n\n touch(location) {\n const key = toCacheKey(location);\n const index = this.keys.indexOf(key);\n if (index > -1) this.keys.splice(index, 1);\n this.keys.unshift(key);\n this.trim();\n }\n\n trim() {\n for (const key of this.keys.splice(this.size)) {\n delete this.snapshots[key];\n }\n }\n}\n\nclass PageView extends View {\n snapshotCache = new SnapshotCache(10)\n lastRenderedLocation = new URL(location.href)\n forceReloaded = false\n\n shouldTransitionTo(newSnapshot) {\n return this.snapshot.prefersViewTransitions && newSnapshot.prefersViewTransitions\n }\n\n renderPage(snapshot, isPreview = false, willRender = true, visit) {\n const shouldMorphPage = this.isPageRefresh(visit) && this.snapshot.shouldMorphPage;\n const rendererClass = shouldMorphPage ? MorphingPageRenderer : PageRenderer;\n\n const renderer = new rendererClass(this.snapshot, snapshot, isPreview, willRender);\n\n if (!renderer.shouldRender) {\n this.forceReloaded = true;\n } else {\n visit?.changeHistory();\n }\n\n return this.render(renderer)\n }\n\n renderError(snapshot, visit) {\n visit?.changeHistory();\n const renderer = new ErrorRenderer(this.snapshot, snapshot, false);\n return this.render(renderer)\n }\n\n clearSnapshotCache() {\n this.snapshotCache.clear();\n }\n\n async cacheSnapshot(snapshot = this.snapshot) {\n if (snapshot.isCacheable) {\n this.delegate.viewWillCacheSnapshot();\n const { lastRenderedLocation: location } = this;\n await nextEventLoopTick();\n const cachedSnapshot = snapshot.clone();\n this.snapshotCache.put(location, cachedSnapshot);\n return cachedSnapshot\n }\n }\n\n getCachedSnapshotForLocation(location) {\n return this.snapshotCache.get(location)\n }\n\n isPageRefresh(visit) {\n return !visit || (this.lastRenderedLocation.pathname === visit.location.pathname && visit.action === \"replace\")\n }\n\n shouldPreserveScrollPosition(visit) {\n return this.isPageRefresh(visit) && this.snapshot.shouldPreserveScrollPosition\n }\n\n get snapshot() {\n return PageSnapshot.fromElement(this.element)\n }\n}\n\nclass Preloader {\n selector = \"a[data-turbo-preload]\"\n\n constructor(delegate, snapshotCache) {\n this.delegate = delegate;\n this.snapshotCache = snapshotCache;\n }\n\n start() {\n if (document.readyState === \"loading\") {\n document.addEventListener(\"DOMContentLoaded\", this.#preloadAll);\n } else {\n this.preloadOnLoadLinksForView(document.body);\n }\n }\n\n stop() {\n document.removeEventListener(\"DOMContentLoaded\", this.#preloadAll);\n }\n\n preloadOnLoadLinksForView(element) {\n for (const link of element.querySelectorAll(this.selector)) {\n if (this.delegate.shouldPreloadLink(link)) {\n this.preloadURL(link);\n }\n }\n }\n\n async preloadURL(link) {\n const location = new URL(link.href);\n\n if (this.snapshotCache.has(location)) {\n return\n }\n\n const fetchRequest = new FetchRequest(this, FetchMethod.get, location, new URLSearchParams(), link);\n await fetchRequest.perform();\n }\n\n // Fetch request delegate\n\n prepareRequest(fetchRequest) {\n fetchRequest.headers[\"X-Sec-Purpose\"] = \"prefetch\";\n }\n\n async requestSucceededWithResponse(fetchRequest, fetchResponse) {\n try {\n const responseHTML = await fetchResponse.responseHTML;\n const snapshot = PageSnapshot.fromHTMLString(responseHTML);\n\n this.snapshotCache.put(fetchRequest.url, snapshot);\n } catch (_) {\n // If we cannot preload that is ok!\n }\n }\n\n requestStarted(fetchRequest) {}\n\n requestErrored(fetchRequest) {}\n\n requestFinished(fetchRequest) {}\n\n requestPreventedHandlingResponse(fetchRequest, fetchResponse) {}\n\n requestFailedWithResponse(fetchRequest, fetchResponse) {}\n\n #preloadAll = () => {\n this.preloadOnLoadLinksForView(document.body);\n }\n}\n\nclass Cache {\n constructor(session) {\n this.session = session;\n }\n\n clear() {\n this.session.clearCache();\n }\n\n resetCacheControl() {\n this.#setCacheControl(\"\");\n }\n\n exemptPageFromCache() {\n this.#setCacheControl(\"no-cache\");\n }\n\n exemptPageFromPreview() {\n this.#setCacheControl(\"no-preview\");\n }\n\n #setCacheControl(value) {\n setMetaContent(\"turbo-cache-control\", value);\n }\n}\n\nclass Session {\n navigator = new Navigator(this)\n history = new History(this)\n view = new PageView(this, document.documentElement)\n adapter = new BrowserAdapter(this)\n\n pageObserver = new PageObserver(this)\n cacheObserver = new CacheObserver()\n linkPrefetchObserver = new LinkPrefetchObserver(this, document)\n linkClickObserver = new LinkClickObserver(this, window)\n formSubmitObserver = new FormSubmitObserver(this, document)\n scrollObserver = new ScrollObserver(this)\n streamObserver = new StreamObserver(this)\n formLinkClickObserver = new FormLinkClickObserver(this, document.documentElement)\n frameRedirector = new FrameRedirector(this, document.documentElement)\n streamMessageRenderer = new StreamMessageRenderer()\n cache = new Cache(this)\n\n enabled = true\n started = false\n #pageRefreshDebouncePeriod = 150\n\n constructor(recentRequests) {\n this.recentRequests = recentRequests;\n this.preloader = new Preloader(this, this.view.snapshotCache);\n this.debouncedRefresh = this.refresh;\n this.pageRefreshDebouncePeriod = this.pageRefreshDebouncePeriod;\n }\n\n start() {\n if (!this.started) {\n this.pageObserver.start();\n this.cacheObserver.start();\n this.linkPrefetchObserver.start();\n this.formLinkClickObserver.start();\n this.linkClickObserver.start();\n this.formSubmitObserver.start();\n this.scrollObserver.start();\n this.streamObserver.start();\n this.frameRedirector.start();\n this.history.start();\n this.preloader.start();\n this.started = true;\n this.enabled = true;\n }\n }\n\n disable() {\n this.enabled = false;\n }\n\n stop() {\n if (this.started) {\n this.pageObserver.stop();\n this.cacheObserver.stop();\n this.linkPrefetchObserver.stop();\n this.formLinkClickObserver.stop();\n this.linkClickObserver.stop();\n this.formSubmitObserver.stop();\n this.scrollObserver.stop();\n this.streamObserver.stop();\n this.frameRedirector.stop();\n this.history.stop();\n this.preloader.stop();\n this.started = false;\n }\n }\n\n registerAdapter(adapter) {\n this.adapter = adapter;\n }\n\n visit(location, options = {}) {\n const frameElement = options.frame ? document.getElementById(options.frame) : null;\n\n if (frameElement instanceof FrameElement) {\n const action = options.action || getVisitAction(frameElement);\n\n frameElement.delegate.proposeVisitIfNavigatedWithAction(frameElement, action);\n frameElement.src = location.toString();\n } else {\n this.navigator.proposeVisit(expandURL(location), options);\n }\n }\n\n refresh(url, requestId) {\n const isRecentRequest = requestId && this.recentRequests.has(requestId);\n if (!isRecentRequest && !this.navigator.currentVisit) {\n this.visit(url, { action: \"replace\", shouldCacheSnapshot: false });\n }\n }\n\n connectStreamSource(source) {\n this.streamObserver.connectStreamSource(source);\n }\n\n disconnectStreamSource(source) {\n this.streamObserver.disconnectStreamSource(source);\n }\n\n renderStreamMessage(message) {\n this.streamMessageRenderer.render(StreamMessage.wrap(message));\n }\n\n clearCache() {\n this.view.clearSnapshotCache();\n }\n\n setProgressBarDelay(delay) {\n console.warn(\n \"Please replace `session.setProgressBarDelay(delay)` with `session.progressBarDelay = delay`. The function is deprecated and will be removed in a future version of Turbo.`\"\n );\n\n this.progressBarDelay = delay;\n }\n\n set progressBarDelay(delay) {\n config.drive.progressBarDelay = delay;\n }\n\n get progressBarDelay() {\n return config.drive.progressBarDelay\n }\n\n set drive(value) {\n config.drive.enabled = value;\n }\n\n get drive() {\n return config.drive.enabled\n }\n\n set formMode(value) {\n config.forms.mode = value;\n }\n\n get formMode() {\n return config.forms.mode\n }\n\n get location() {\n return this.history.location\n }\n\n get restorationIdentifier() {\n return this.history.restorationIdentifier\n }\n\n get pageRefreshDebouncePeriod() {\n return this.#pageRefreshDebouncePeriod\n }\n\n set pageRefreshDebouncePeriod(value) {\n this.refresh = debounce(this.debouncedRefresh.bind(this), value);\n this.#pageRefreshDebouncePeriod = value;\n }\n\n // Preloader delegate\n\n shouldPreloadLink(element) {\n const isUnsafe = element.hasAttribute(\"data-turbo-method\");\n const isStream = element.hasAttribute(\"data-turbo-stream\");\n const frameTarget = element.getAttribute(\"data-turbo-frame\");\n const frame = frameTarget == \"_top\" ?\n null :\n document.getElementById(frameTarget) || findClosestRecursively(element, \"turbo-frame:not([disabled])\");\n\n if (isUnsafe || isStream || frame instanceof FrameElement) {\n return false\n } else {\n const location = new URL(element.href);\n\n return this.elementIsNavigatable(element) && locationIsVisitable(location, this.snapshot.rootLocation)\n }\n }\n\n // History delegate\n\n historyPoppedToLocationWithRestorationIdentifierAndDirection(location, restorationIdentifier, direction) {\n if (this.enabled) {\n this.navigator.startVisit(location, restorationIdentifier, {\n action: \"restore\",\n historyChanged: true,\n direction\n });\n } else {\n this.adapter.pageInvalidated({\n reason: \"turbo_disabled\"\n });\n }\n }\n\n // Scroll observer delegate\n\n scrollPositionChanged(position) {\n this.history.updateRestorationData({ scrollPosition: position });\n }\n\n // Form click observer delegate\n\n willSubmitFormLinkToLocation(link, location) {\n return this.elementIsNavigatable(link) && locationIsVisitable(location, this.snapshot.rootLocation)\n }\n\n submittedFormLinkToLocation() {}\n\n // Link hover observer delegate\n\n canPrefetchRequestToLocation(link, location) {\n return (\n this.elementIsNavigatable(link) &&\n locationIsVisitable(location, this.snapshot.rootLocation)\n )\n }\n\n // Link click observer delegate\n\n willFollowLinkToLocation(link, location, event) {\n return (\n this.elementIsNavigatable(link) &&\n locationIsVisitable(location, this.snapshot.rootLocation) &&\n this.applicationAllowsFollowingLinkToLocation(link, location, event)\n )\n }\n\n followedLinkToLocation(link, location) {\n const action = this.getActionForLink(link);\n const acceptsStreamResponse = link.hasAttribute(\"data-turbo-stream\");\n\n this.visit(location.href, { action, acceptsStreamResponse });\n }\n\n // Navigator delegate\n\n allowsVisitingLocationWithAction(location, action) {\n return this.locationWithActionIsSamePage(location, action) || this.applicationAllowsVisitingLocation(location)\n }\n\n visitProposedToLocation(location, options) {\n extendURLWithDeprecatedProperties(location);\n this.adapter.visitProposedToLocation(location, options);\n }\n\n // Visit delegate\n\n visitStarted(visit) {\n if (!visit.acceptsStreamResponse) {\n markAsBusy(document.documentElement);\n this.view.markVisitDirection(visit.direction);\n }\n extendURLWithDeprecatedProperties(visit.location);\n if (!visit.silent) {\n this.notifyApplicationAfterVisitingLocation(visit.location, visit.action);\n }\n }\n\n visitCompleted(visit) {\n this.view.unmarkVisitDirection();\n clearBusyState(document.documentElement);\n this.notifyApplicationAfterPageLoad(visit.getTimingMetrics());\n }\n\n locationWithActionIsSamePage(location, action) {\n return this.navigator.locationWithActionIsSamePage(location, action)\n }\n\n visitScrolledToSamePageLocation(oldURL, newURL) {\n this.notifyApplicationAfterVisitingSamePageLocation(oldURL, newURL);\n }\n\n // Form submit observer delegate\n\n willSubmitForm(form, submitter) {\n const action = getAction$1(form, submitter);\n\n return (\n this.submissionIsNavigatable(form, submitter) &&\n locationIsVisitable(expandURL(action), this.snapshot.rootLocation)\n )\n }\n\n formSubmitted(form, submitter) {\n this.navigator.submitForm(form, submitter);\n }\n\n // Page observer delegate\n\n pageBecameInteractive() {\n this.view.lastRenderedLocation = this.location;\n this.notifyApplicationAfterPageLoad();\n }\n\n pageLoaded() {\n this.history.assumeControlOfScrollRestoration();\n }\n\n pageWillUnload() {\n this.history.relinquishControlOfScrollRestoration();\n }\n\n // Stream observer delegate\n\n receivedMessageFromStream(message) {\n this.renderStreamMessage(message);\n }\n\n // Page view delegate\n\n viewWillCacheSnapshot() {\n if (!this.navigator.currentVisit?.silent) {\n this.notifyApplicationBeforeCachingSnapshot();\n }\n }\n\n allowsImmediateRender({ element }, options) {\n const event = this.notifyApplicationBeforeRender(element, options);\n const {\n defaultPrevented,\n detail: { render }\n } = event;\n\n if (this.view.renderer && render) {\n this.view.renderer.renderElement = render;\n }\n\n return !defaultPrevented\n }\n\n viewRenderedSnapshot(_snapshot, _isPreview, renderMethod) {\n this.view.lastRenderedLocation = this.history.location;\n this.notifyApplicationAfterRender(renderMethod);\n }\n\n preloadOnLoadLinksForView(element) {\n this.preloader.preloadOnLoadLinksForView(element);\n }\n\n viewInvalidated(reason) {\n this.adapter.pageInvalidated(reason);\n }\n\n // Frame element\n\n frameLoaded(frame) {\n this.notifyApplicationAfterFrameLoad(frame);\n }\n\n frameRendered(fetchResponse, frame) {\n this.notifyApplicationAfterFrameRender(fetchResponse, frame);\n }\n\n // Application events\n\n applicationAllowsFollowingLinkToLocation(link, location, ev) {\n const event = this.notifyApplicationAfterClickingLinkToLocation(link, location, ev);\n return !event.defaultPrevented\n }\n\n applicationAllowsVisitingLocation(location) {\n const event = this.notifyApplicationBeforeVisitingLocation(location);\n return !event.defaultPrevented\n }\n\n notifyApplicationAfterClickingLinkToLocation(link, location, event) {\n return dispatch(\"turbo:click\", {\n target: link,\n detail: { url: location.href, originalEvent: event },\n cancelable: true\n })\n }\n\n notifyApplicationBeforeVisitingLocation(location) {\n return dispatch(\"turbo:before-visit\", {\n detail: { url: location.href },\n cancelable: true\n })\n }\n\n notifyApplicationAfterVisitingLocation(location, action) {\n return dispatch(\"turbo:visit\", { detail: { url: location.href, action } })\n }\n\n notifyApplicationBeforeCachingSnapshot() {\n return dispatch(\"turbo:before-cache\")\n }\n\n notifyApplicationBeforeRender(newBody, options) {\n return dispatch(\"turbo:before-render\", {\n detail: { newBody, ...options },\n cancelable: true\n })\n }\n\n notifyApplicationAfterRender(renderMethod) {\n return dispatch(\"turbo:render\", { detail: { renderMethod } })\n }\n\n notifyApplicationAfterPageLoad(timing = {}) {\n return dispatch(\"turbo:load\", {\n detail: { url: this.location.href, timing }\n })\n }\n\n notifyApplicationAfterVisitingSamePageLocation(oldURL, newURL) {\n dispatchEvent(\n new HashChangeEvent(\"hashchange\", {\n oldURL: oldURL.toString(),\n newURL: newURL.toString()\n })\n );\n }\n\n notifyApplicationAfterFrameLoad(frame) {\n return dispatch(\"turbo:frame-load\", { target: frame })\n }\n\n notifyApplicationAfterFrameRender(fetchResponse, frame) {\n return dispatch(\"turbo:frame-render\", {\n detail: { fetchResponse },\n target: frame,\n cancelable: true\n })\n }\n\n // Helpers\n\n submissionIsNavigatable(form, submitter) {\n if (config.forms.mode == \"off\") {\n return false\n } else {\n const submitterIsNavigatable = submitter ? this.elementIsNavigatable(submitter) : true;\n\n if (config.forms.mode == \"optin\") {\n return submitterIsNavigatable && form.closest('[data-turbo=\"true\"]') != null\n } else {\n return submitterIsNavigatable && this.elementIsNavigatable(form)\n }\n }\n }\n\n elementIsNavigatable(element) {\n const container = findClosestRecursively(element, \"[data-turbo]\");\n const withinFrame = findClosestRecursively(element, \"turbo-frame\");\n\n // Check if Drive is enabled on the session or we're within a Frame.\n if (config.drive.enabled || withinFrame) {\n // Element is navigatable by default, unless `data-turbo=\"false\"`.\n if (container) {\n return container.getAttribute(\"data-turbo\") != \"false\"\n } else {\n return true\n }\n } else {\n // Element isn't navigatable by default, unless `data-turbo=\"true\"`.\n if (container) {\n return container.getAttribute(\"data-turbo\") == \"true\"\n } else {\n return false\n }\n }\n }\n\n // Private\n\n getActionForLink(link) {\n return getVisitAction(link) || \"advance\"\n }\n\n get snapshot() {\n return this.view.snapshot\n }\n}\n\n// Older versions of the Turbo Native adapters referenced the\n// `Location#absoluteURL` property in their implementations of\n// the `Adapter#visitProposedToLocation()` and `#visitStarted()`\n// methods. The Location class has since been removed in favor\n// of the DOM URL API, and accordingly all Adapter methods now\n// receive URL objects.\n//\n// We alias #absoluteURL to #toString() here to avoid crashing\n// older adapters which do not expect URL objects. We should\n// consider removing this support at some point in the future.\n\nfunction extendURLWithDeprecatedProperties(url) {\n Object.defineProperties(url, deprecatedLocationPropertyDescriptors);\n}\n\nconst deprecatedLocationPropertyDescriptors = {\n absoluteURL: {\n get() {\n return this.toString()\n }\n }\n};\n\nconst session = new Session(recentRequests);\nconst { cache, navigator: navigator$1 } = session;\n\n/**\n * Starts the main session.\n * This initialises any necessary observers such as those to monitor\n * link interactions.\n */\nfunction start() {\n session.start();\n}\n\n/**\n * Registers an adapter for the main session.\n *\n * @param adapter Adapter to register\n */\nfunction registerAdapter(adapter) {\n session.registerAdapter(adapter);\n}\n\n/**\n * Performs an application visit to the given location.\n *\n * @param location Location to visit (a URL or path)\n * @param options Options to apply\n * @param options.action Type of history navigation to apply (\"restore\",\n * \"replace\" or \"advance\")\n * @param options.historyChanged Specifies whether the browser history has\n * already been changed for this visit or not\n * @param options.referrer Specifies the referrer of this visit such that\n * navigations to the same page will not result in a new history entry.\n * @param options.snapshotHTML Cached snapshot to render\n * @param options.response Response of the specified location\n */\nfunction visit(location, options) {\n session.visit(location, options);\n}\n\n/**\n * Connects a stream source to the main session.\n *\n * @param source Stream source to connect\n */\nfunction connectStreamSource(source) {\n session.connectStreamSource(source);\n}\n\n/**\n * Disconnects a stream source from the main session.\n *\n * @param source Stream source to disconnect\n */\nfunction disconnectStreamSource(source) {\n session.disconnectStreamSource(source);\n}\n\n/**\n * Renders a stream message to the main session by appending it to the\n * current document.\n *\n * @param message Message to render\n */\nfunction renderStreamMessage(message) {\n session.renderStreamMessage(message);\n}\n\n/**\n * Removes all entries from the Turbo Drive page cache.\n * Call this when state has changed on the server that may affect cached pages.\n *\n * @deprecated since version 7.2.0 in favor of `Turbo.cache.clear()`\n */\nfunction clearCache() {\n console.warn(\n \"Please replace `Turbo.clearCache()` with `Turbo.cache.clear()`. The top-level function is deprecated and will be removed in a future version of Turbo.`\"\n );\n session.clearCache();\n}\n\n/**\n * Sets the delay after which the progress bar will appear during navigation.\n *\n * The progress bar appears after 500ms by default.\n *\n * Note that this method has no effect when used with the iOS or Android\n * adapters.\n *\n * @param delay Time to delay in milliseconds\n */\nfunction setProgressBarDelay(delay) {\n console.warn(\n \"Please replace `Turbo.setProgressBarDelay(delay)` with `Turbo.config.drive.progressBarDelay = delay`. The top-level function is deprecated and will be removed in a future version of Turbo.`\"\n );\n config.drive.progressBarDelay = delay;\n}\n\nfunction setConfirmMethod(confirmMethod) {\n console.warn(\n \"Please replace `Turbo.setConfirmMethod(confirmMethod)` with `Turbo.config.forms.confirm = confirmMethod`. The top-level function is deprecated and will be removed in a future version of Turbo.`\"\n );\n config.forms.confirm = confirmMethod;\n}\n\nfunction setFormMode(mode) {\n console.warn(\n \"Please replace `Turbo.setFormMode(mode)` with `Turbo.config.forms.mode = mode`. The top-level function is deprecated and will be removed in a future version of Turbo.`\"\n );\n config.forms.mode = mode;\n}\n\nvar Turbo = /*#__PURE__*/Object.freeze({\n __proto__: null,\n navigator: navigator$1,\n session: session,\n cache: cache,\n PageRenderer: PageRenderer,\n PageSnapshot: PageSnapshot,\n FrameRenderer: FrameRenderer,\n fetch: fetchWithTurboHeaders,\n config: config,\n start: start,\n registerAdapter: registerAdapter,\n visit: visit,\n connectStreamSource: connectStreamSource,\n disconnectStreamSource: disconnectStreamSource,\n renderStreamMessage: renderStreamMessage,\n clearCache: clearCache,\n setProgressBarDelay: setProgressBarDelay,\n setConfirmMethod: setConfirmMethod,\n setFormMode: setFormMode\n});\n\nclass TurboFrameMissingError extends Error {}\n\nclass FrameController {\n fetchResponseLoaded = (_fetchResponse) => Promise.resolve()\n #currentFetchRequest = null\n #resolveVisitPromise = () => {}\n #connected = false\n #hasBeenLoaded = false\n #ignoredAttributes = new Set()\n #shouldMorphFrame = false\n action = null\n\n constructor(element) {\n this.element = element;\n this.view = new FrameView(this, this.element);\n this.appearanceObserver = new AppearanceObserver(this, this.element);\n this.formLinkClickObserver = new FormLinkClickObserver(this, this.element);\n this.linkInterceptor = new LinkInterceptor(this, this.element);\n this.restorationIdentifier = uuid();\n this.formSubmitObserver = new FormSubmitObserver(this, this.element);\n }\n\n // Frame delegate\n\n connect() {\n if (!this.#connected) {\n this.#connected = true;\n if (this.loadingStyle == FrameLoadingStyle.lazy) {\n this.appearanceObserver.start();\n } else {\n this.#loadSourceURL();\n }\n this.formLinkClickObserver.start();\n this.linkInterceptor.start();\n this.formSubmitObserver.start();\n }\n }\n\n disconnect() {\n if (this.#connected) {\n this.#connected = false;\n this.appearanceObserver.stop();\n this.formLinkClickObserver.stop();\n this.linkInterceptor.stop();\n this.formSubmitObserver.stop();\n }\n }\n\n disabledChanged() {\n if (this.loadingStyle == FrameLoadingStyle.eager) {\n this.#loadSourceURL();\n }\n }\n\n sourceURLChanged() {\n if (this.#isIgnoringChangesTo(\"src\")) return\n\n if (this.element.isConnected) {\n this.complete = false;\n }\n\n if (this.loadingStyle == FrameLoadingStyle.eager || this.#hasBeenLoaded) {\n this.#loadSourceURL();\n }\n }\n\n sourceURLReloaded() {\n const { refresh, src } = this.element;\n\n this.#shouldMorphFrame = src && refresh === \"morph\";\n\n this.element.removeAttribute(\"complete\");\n this.element.src = null;\n this.element.src = src;\n return this.element.loaded\n }\n\n loadingStyleChanged() {\n if (this.loadingStyle == FrameLoadingStyle.lazy) {\n this.appearanceObserver.start();\n } else {\n this.appearanceObserver.stop();\n this.#loadSourceURL();\n }\n }\n\n async #loadSourceURL() {\n if (this.enabled && this.isActive && !this.complete && this.sourceURL) {\n this.element.loaded = this.#visit(expandURL(this.sourceURL));\n this.appearanceObserver.stop();\n await this.element.loaded;\n this.#hasBeenLoaded = true;\n }\n }\n\n async loadResponse(fetchResponse) {\n if (fetchResponse.redirected || (fetchResponse.succeeded && fetchResponse.isHTML)) {\n this.sourceURL = fetchResponse.response.url;\n }\n\n try {\n const html = await fetchResponse.responseHTML;\n if (html) {\n const document = parseHTMLDocument(html);\n const pageSnapshot = PageSnapshot.fromDocument(document);\n\n if (pageSnapshot.isVisitable) {\n await this.#loadFrameResponse(fetchResponse, document);\n } else {\n await this.#handleUnvisitableFrameResponse(fetchResponse);\n }\n }\n } finally {\n this.#shouldMorphFrame = false;\n this.fetchResponseLoaded = () => Promise.resolve();\n }\n }\n\n // Appearance observer delegate\n\n elementAppearedInViewport(element) {\n this.proposeVisitIfNavigatedWithAction(element, getVisitAction(element));\n this.#loadSourceURL();\n }\n\n // Form link click observer delegate\n\n willSubmitFormLinkToLocation(link) {\n return this.#shouldInterceptNavigation(link)\n }\n\n submittedFormLinkToLocation(link, _location, form) {\n const frame = this.#findFrameElement(link);\n if (frame) form.setAttribute(\"data-turbo-frame\", frame.id);\n }\n\n // Link interceptor delegate\n\n shouldInterceptLinkClick(element, _location, _event) {\n return this.#shouldInterceptNavigation(element)\n }\n\n linkClickIntercepted(element, location) {\n this.#navigateFrame(element, location);\n }\n\n // Form submit observer delegate\n\n willSubmitForm(element, submitter) {\n return element.closest(\"turbo-frame\") == this.element && this.#shouldInterceptNavigation(element, submitter)\n }\n\n formSubmitted(element, submitter) {\n if (this.formSubmission) {\n this.formSubmission.stop();\n }\n\n this.formSubmission = new FormSubmission(this, element, submitter);\n const { fetchRequest } = this.formSubmission;\n this.prepareRequest(fetchRequest);\n this.formSubmission.start();\n }\n\n // Fetch request delegate\n\n prepareRequest(request) {\n request.headers[\"Turbo-Frame\"] = this.id;\n\n if (this.currentNavigationElement?.hasAttribute(\"data-turbo-stream\")) {\n request.acceptResponseType(StreamMessage.contentType);\n }\n }\n\n requestStarted(_request) {\n markAsBusy(this.element);\n }\n\n requestPreventedHandlingResponse(_request, _response) {\n this.#resolveVisitPromise();\n }\n\n async requestSucceededWithResponse(request, response) {\n await this.loadResponse(response);\n this.#resolveVisitPromise();\n }\n\n async requestFailedWithResponse(request, response) {\n await this.loadResponse(response);\n this.#resolveVisitPromise();\n }\n\n requestErrored(request, error) {\n console.error(error);\n this.#resolveVisitPromise();\n }\n\n requestFinished(_request) {\n clearBusyState(this.element);\n }\n\n // Form submission delegate\n\n formSubmissionStarted({ formElement }) {\n markAsBusy(formElement, this.#findFrameElement(formElement));\n }\n\n formSubmissionSucceededWithResponse(formSubmission, response) {\n const frame = this.#findFrameElement(formSubmission.formElement, formSubmission.submitter);\n\n frame.delegate.proposeVisitIfNavigatedWithAction(frame, getVisitAction(formSubmission.submitter, formSubmission.formElement, frame));\n frame.delegate.loadResponse(response);\n\n if (!formSubmission.isSafe) {\n session.clearCache();\n }\n }\n\n formSubmissionFailedWithResponse(formSubmission, fetchResponse) {\n this.element.delegate.loadResponse(fetchResponse);\n session.clearCache();\n }\n\n formSubmissionErrored(formSubmission, error) {\n console.error(error);\n }\n\n formSubmissionFinished({ formElement }) {\n clearBusyState(formElement, this.#findFrameElement(formElement));\n }\n\n // View delegate\n\n allowsImmediateRender({ element: newFrame }, options) {\n const event = dispatch(\"turbo:before-frame-render\", {\n target: this.element,\n detail: { newFrame, ...options },\n cancelable: true\n });\n\n const {\n defaultPrevented,\n detail: { render }\n } = event;\n\n if (this.view.renderer && render) {\n this.view.renderer.renderElement = render;\n }\n\n return !defaultPrevented\n }\n\n viewRenderedSnapshot(_snapshot, _isPreview, _renderMethod) {}\n\n preloadOnLoadLinksForView(element) {\n session.preloadOnLoadLinksForView(element);\n }\n\n viewInvalidated() {}\n\n // Frame renderer delegate\n\n willRenderFrame(currentElement, _newElement) {\n this.previousFrameElement = currentElement.cloneNode(true);\n }\n\n visitCachedSnapshot = ({ element }) => {\n const frame = element.querySelector(\"#\" + this.element.id);\n\n if (frame && this.previousFrameElement) {\n frame.replaceChildren(...this.previousFrameElement.children);\n }\n\n delete this.previousFrameElement;\n }\n\n // Private\n\n async #loadFrameResponse(fetchResponse, document) {\n const newFrameElement = await this.extractForeignFrameElement(document.body);\n const rendererClass = this.#shouldMorphFrame ? MorphingFrameRenderer : FrameRenderer;\n\n if (newFrameElement) {\n const snapshot = new Snapshot(newFrameElement);\n const renderer = new rendererClass(this, this.view.snapshot, snapshot, false, false);\n if (this.view.renderPromise) await this.view.renderPromise;\n this.changeHistory();\n\n await this.view.render(renderer);\n this.complete = true;\n session.frameRendered(fetchResponse, this.element);\n session.frameLoaded(this.element);\n await this.fetchResponseLoaded(fetchResponse);\n } else if (this.#willHandleFrameMissingFromResponse(fetchResponse)) {\n this.#handleFrameMissingFromResponse(fetchResponse);\n }\n }\n\n async #visit(url) {\n const request = new FetchRequest(this, FetchMethod.get, url, new URLSearchParams(), this.element);\n\n this.#currentFetchRequest?.cancel();\n this.#currentFetchRequest = request;\n\n return new Promise((resolve) => {\n this.#resolveVisitPromise = () => {\n this.#resolveVisitPromise = () => {};\n this.#currentFetchRequest = null;\n resolve();\n };\n request.perform();\n })\n }\n\n #navigateFrame(element, url, submitter) {\n const frame = this.#findFrameElement(element, submitter);\n\n frame.delegate.proposeVisitIfNavigatedWithAction(frame, getVisitAction(submitter, element, frame));\n\n this.#withCurrentNavigationElement(element, () => {\n frame.src = url;\n });\n }\n\n proposeVisitIfNavigatedWithAction(frame, action = null) {\n this.action = action;\n\n if (this.action) {\n const pageSnapshot = PageSnapshot.fromElement(frame).clone();\n const { visitCachedSnapshot } = frame.delegate;\n\n frame.delegate.fetchResponseLoaded = async (fetchResponse) => {\n if (frame.src) {\n const { statusCode, redirected } = fetchResponse;\n const responseHTML = await fetchResponse.responseHTML;\n const response = { statusCode, redirected, responseHTML };\n const options = {\n response,\n visitCachedSnapshot,\n willRender: false,\n updateHistory: false,\n restorationIdentifier: this.restorationIdentifier,\n snapshot: pageSnapshot\n };\n\n if (this.action) options.action = this.action;\n\n session.visit(frame.src, options);\n }\n };\n }\n }\n\n changeHistory() {\n if (this.action) {\n const method = getHistoryMethodForAction(this.action);\n session.history.update(method, expandURL(this.element.src || \"\"), this.restorationIdentifier);\n }\n }\n\n async #handleUnvisitableFrameResponse(fetchResponse) {\n console.warn(\n `The response (${fetchResponse.statusCode}) from is performing a full page visit due to turbo-visit-control.`\n );\n\n await this.#visitResponse(fetchResponse.response);\n }\n\n #willHandleFrameMissingFromResponse(fetchResponse) {\n this.element.setAttribute(\"complete\", \"\");\n\n const response = fetchResponse.response;\n const visit = async (url, options) => {\n if (url instanceof Response) {\n this.#visitResponse(url);\n } else {\n session.visit(url, options);\n }\n };\n\n const event = dispatch(\"turbo:frame-missing\", {\n target: this.element,\n detail: { response, visit },\n cancelable: true\n });\n\n return !event.defaultPrevented\n }\n\n #handleFrameMissingFromResponse(fetchResponse) {\n this.view.missing();\n this.#throwFrameMissingError(fetchResponse);\n }\n\n #throwFrameMissingError(fetchResponse) {\n const message = `The response (${fetchResponse.statusCode}) did not contain the expected and will be ignored. To perform a full page visit instead, set turbo-visit-control to reload.`;\n throw new TurboFrameMissingError(message)\n }\n\n async #visitResponse(response) {\n const wrapped = new FetchResponse(response);\n const responseHTML = await wrapped.responseHTML;\n const { location, redirected, statusCode } = wrapped;\n\n return session.visit(location, { response: { redirected, statusCode, responseHTML } })\n }\n\n #findFrameElement(element, submitter) {\n const id = getAttribute(\"data-turbo-frame\", submitter, element) || this.element.getAttribute(\"target\");\n return getFrameElementById(id) ?? this.element\n }\n\n async extractForeignFrameElement(container) {\n let element;\n const id = CSS.escape(this.id);\n\n try {\n element = activateElement(container.querySelector(`turbo-frame#${id}`), this.sourceURL);\n if (element) {\n return element\n }\n\n element = activateElement(container.querySelector(`turbo-frame[src][recurse~=${id}]`), this.sourceURL);\n if (element) {\n await element.loaded;\n return await this.extractForeignFrameElement(element)\n }\n } catch (error) {\n console.error(error);\n return new FrameElement()\n }\n\n return null\n }\n\n #formActionIsVisitable(form, submitter) {\n const action = getAction$1(form, submitter);\n\n return locationIsVisitable(expandURL(action), this.rootLocation)\n }\n\n #shouldInterceptNavigation(element, submitter) {\n const id = getAttribute(\"data-turbo-frame\", submitter, element) || this.element.getAttribute(\"target\");\n\n if (element instanceof HTMLFormElement && !this.#formActionIsVisitable(element, submitter)) {\n return false\n }\n\n if (!this.enabled || id == \"_top\") {\n return false\n }\n\n if (id) {\n const frameElement = getFrameElementById(id);\n if (frameElement) {\n return !frameElement.disabled\n }\n }\n\n if (!session.elementIsNavigatable(element)) {\n return false\n }\n\n if (submitter && !session.elementIsNavigatable(submitter)) {\n return false\n }\n\n return true\n }\n\n // Computed properties\n\n get id() {\n return this.element.id\n }\n\n get enabled() {\n return !this.element.disabled\n }\n\n get sourceURL() {\n if (this.element.src) {\n return this.element.src\n }\n }\n\n set sourceURL(sourceURL) {\n this.#ignoringChangesToAttribute(\"src\", () => {\n this.element.src = sourceURL ?? null;\n });\n }\n\n get loadingStyle() {\n return this.element.loading\n }\n\n get isLoading() {\n return this.formSubmission !== undefined || this.#resolveVisitPromise() !== undefined\n }\n\n get complete() {\n return this.element.hasAttribute(\"complete\")\n }\n\n set complete(value) {\n if (value) {\n this.element.setAttribute(\"complete\", \"\");\n } else {\n this.element.removeAttribute(\"complete\");\n }\n }\n\n get isActive() {\n return this.element.isActive && this.#connected\n }\n\n get rootLocation() {\n const meta = this.element.ownerDocument.querySelector(`meta[name=\"turbo-root\"]`);\n const root = meta?.content ?? \"/\";\n return expandURL(root)\n }\n\n #isIgnoringChangesTo(attributeName) {\n return this.#ignoredAttributes.has(attributeName)\n }\n\n #ignoringChangesToAttribute(attributeName, callback) {\n this.#ignoredAttributes.add(attributeName);\n callback();\n this.#ignoredAttributes.delete(attributeName);\n }\n\n #withCurrentNavigationElement(element, callback) {\n this.currentNavigationElement = element;\n callback();\n delete this.currentNavigationElement;\n }\n}\n\nfunction getFrameElementById(id) {\n if (id != null) {\n const element = document.getElementById(id);\n if (element instanceof FrameElement) {\n return element\n }\n }\n}\n\nfunction activateElement(element, currentURL) {\n if (element) {\n const src = element.getAttribute(\"src\");\n if (src != null && currentURL != null && urlsAreEqual(src, currentURL)) {\n throw new Error(`Matching element has a source URL which references itself`)\n }\n if (element.ownerDocument !== document) {\n element = document.importNode(element, true);\n }\n\n if (element instanceof FrameElement) {\n element.connectedCallback();\n element.disconnectedCallback();\n return element\n }\n }\n}\n\nconst StreamActions = {\n after() {\n this.targetElements.forEach((e) => e.parentElement?.insertBefore(this.templateContent, e.nextSibling));\n },\n\n append() {\n this.removeDuplicateTargetChildren();\n this.targetElements.forEach((e) => e.append(this.templateContent));\n },\n\n before() {\n this.targetElements.forEach((e) => e.parentElement?.insertBefore(this.templateContent, e));\n },\n\n prepend() {\n this.removeDuplicateTargetChildren();\n this.targetElements.forEach((e) => e.prepend(this.templateContent));\n },\n\n remove() {\n this.targetElements.forEach((e) => e.remove());\n },\n\n replace() {\n const method = this.getAttribute(\"method\");\n\n this.targetElements.forEach((targetElement) => {\n if (method === \"morph\") {\n morphElements(targetElement, this.templateContent);\n } else {\n targetElement.replaceWith(this.templateContent);\n }\n });\n },\n\n update() {\n const method = this.getAttribute(\"method\");\n\n this.targetElements.forEach((targetElement) => {\n if (method === \"morph\") {\n morphChildren(targetElement, this.templateContent);\n } else {\n targetElement.innerHTML = \"\";\n targetElement.append(this.templateContent);\n }\n });\n },\n\n refresh() {\n session.refresh(this.baseURI, this.requestId);\n }\n};\n\n//