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"../../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 recordPing() {\n this.pingedAt = now()\n }\n\n recordConnect() {\n this.reconnectAttempts = 0\n this.recordPing()\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 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: ${reason}`)\n return this.close({allowReconnect: reconnect})\n case message_types.ping:\n return this.monitor.recordPing()\n case message_types.confirmation:\n this.subscriptions.confirmSubscription(identifier)\n if (this.reconnectAttempted) {\n this.reconnectAttempted = false\n return this.subscriptions.notify(identifier, \"connected\", {reconnected: true})\n } else {\n return this.subscriptions.notify(identifier, \"connected\", {reconnected: false})\n }\n case message_types.rejection:\n return this.subscriptions.reject(identifier)\n default:\n return this.subscriptions.notify(identifier, \"received\", message)\n }\n },\n\n open() {\n logger.log(`WebSocket onopen event, using '${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", "/*!\n * Cropper.js v1.6.2\n * https://fengyuanchen.github.io/cropperjs\n *\n * Copyright 2015-present Chen Fengyuan\n * Released under the MIT license\n *\n * Date: 2024-04-21T07:43:05.335Z\n */\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 = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Cropper = factory());\n})(this, (function () { 'use strict';\n\n function ownKeys(e, r) {\n var t = Object.keys(e);\n if (Object.getOwnPropertySymbols) {\n var o = Object.getOwnPropertySymbols(e);\n r && (o = o.filter(function (r) {\n return Object.getOwnPropertyDescriptor(e, r).enumerable;\n })), t.push.apply(t, o);\n }\n return t;\n }\n function _objectSpread2(e) {\n for (var r = 1; r < arguments.length; r++) {\n var t = null != arguments[r] ? arguments[r] : {};\n r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {\n _defineProperty(e, r, t[r]);\n }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {\n Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));\n });\n }\n return e;\n }\n function _toPrimitive(t, r) {\n if (\"object\" != typeof t || !t) return t;\n var e = t[Symbol.toPrimitive];\n if (void 0 !== e) {\n var i = e.call(t, r || \"default\");\n if (\"object\" != typeof i) return i;\n throw new TypeError(\"@@toPrimitive must return a primitive value.\");\n }\n return (\"string\" === r ? String : Number)(t);\n }\n function _toPropertyKey(t) {\n var i = _toPrimitive(t, \"string\");\n return \"symbol\" == typeof i ? i : i + \"\";\n }\n function _typeof(o) {\n \"@babel/helpers - typeof\";\n\n return _typeof = \"function\" == typeof Symbol && \"symbol\" == typeof Symbol.iterator ? function (o) {\n return typeof o;\n } : function (o) {\n return o && \"function\" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? \"symbol\" : typeof o;\n }, _typeof(o);\n }\n function _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n }\n function _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor);\n }\n }\n function _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n Object.defineProperty(Constructor, \"prototype\", {\n writable: false\n });\n return Constructor;\n }\n function _defineProperty(obj, key, value) {\n key = _toPropertyKey(key);\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n return obj;\n }\n function _toConsumableArray(arr) {\n return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();\n }\n function _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) return _arrayLikeToArray(arr);\n }\n function _iterableToArray(iter) {\n if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter);\n }\n function _unsupportedIterableToArray(o, minLen) {\n if (!o) return;\n if (typeof o === \"string\") return _arrayLikeToArray(o, minLen);\n var n = Object.prototype.toString.call(o).slice(8, -1);\n if (n === \"Object\" && o.constructor) n = o.constructor.name;\n if (n === \"Map\" || n === \"Set\") return Array.from(o);\n if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);\n }\n function _arrayLikeToArray(arr, len) {\n if (len == null || len > arr.length) len = arr.length;\n for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];\n return arr2;\n }\n function _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n }\n\n var IS_BROWSER = typeof window !== 'undefined' && typeof window.document !== 'undefined';\n var WINDOW = IS_BROWSER ? window : {};\n var IS_TOUCH_DEVICE = IS_BROWSER && WINDOW.document.documentElement ? 'ontouchstart' in WINDOW.document.documentElement : false;\n var HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false;\n var NAMESPACE = 'cropper';\n\n // Actions\n var ACTION_ALL = 'all';\n var ACTION_CROP = 'crop';\n var ACTION_MOVE = 'move';\n var ACTION_ZOOM = 'zoom';\n var ACTION_EAST = 'e';\n var ACTION_WEST = 'w';\n var ACTION_SOUTH = 's';\n var ACTION_NORTH = 'n';\n var ACTION_NORTH_EAST = 'ne';\n var ACTION_NORTH_WEST = 'nw';\n var ACTION_SOUTH_EAST = 'se';\n var ACTION_SOUTH_WEST = 'sw';\n\n // Classes\n var CLASS_CROP = \"\".concat(NAMESPACE, \"-crop\");\n var CLASS_DISABLED = \"\".concat(NAMESPACE, \"-disabled\");\n var CLASS_HIDDEN = \"\".concat(NAMESPACE, \"-hidden\");\n var CLASS_HIDE = \"\".concat(NAMESPACE, \"-hide\");\n var CLASS_INVISIBLE = \"\".concat(NAMESPACE, \"-invisible\");\n var CLASS_MODAL = \"\".concat(NAMESPACE, \"-modal\");\n var CLASS_MOVE = \"\".concat(NAMESPACE, \"-move\");\n\n // Data keys\n var DATA_ACTION = \"\".concat(NAMESPACE, \"Action\");\n var DATA_PREVIEW = \"\".concat(NAMESPACE, \"Preview\");\n\n // Drag modes\n var DRAG_MODE_CROP = 'crop';\n var DRAG_MODE_MOVE = 'move';\n var DRAG_MODE_NONE = 'none';\n\n // Events\n var EVENT_CROP = 'crop';\n var EVENT_CROP_END = 'cropend';\n var EVENT_CROP_MOVE = 'cropmove';\n var EVENT_CROP_START = 'cropstart';\n var EVENT_DBLCLICK = 'dblclick';\n var EVENT_TOUCH_START = IS_TOUCH_DEVICE ? 'touchstart' : 'mousedown';\n var EVENT_TOUCH_MOVE = IS_TOUCH_DEVICE ? 'touchmove' : 'mousemove';\n var EVENT_TOUCH_END = IS_TOUCH_DEVICE ? 'touchend touchcancel' : 'mouseup';\n var EVENT_POINTER_DOWN = HAS_POINTER_EVENT ? 'pointerdown' : EVENT_TOUCH_START;\n var EVENT_POINTER_MOVE = HAS_POINTER_EVENT ? 'pointermove' : EVENT_TOUCH_MOVE;\n var EVENT_POINTER_UP = HAS_POINTER_EVENT ? 'pointerup pointercancel' : EVENT_TOUCH_END;\n var EVENT_READY = 'ready';\n var EVENT_RESIZE = 'resize';\n var EVENT_WHEEL = 'wheel';\n var EVENT_ZOOM = 'zoom';\n\n // Mime types\n var MIME_TYPE_JPEG = 'image/jpeg';\n\n // RegExps\n var REGEXP_ACTIONS = /^e|w|s|n|se|sw|ne|nw|all|crop|move|zoom$/;\n var REGEXP_DATA_URL = /^data:/;\n var REGEXP_DATA_URL_JPEG = /^data:image\\/jpeg;base64,/;\n var REGEXP_TAG_NAME = /^img|canvas$/i;\n\n // Misc\n // Inspired by the default width and height of a canvas element.\n var MIN_CONTAINER_WIDTH = 200;\n var MIN_CONTAINER_HEIGHT = 100;\n\n var DEFAULTS = {\n // Define the view mode of the cropper\n viewMode: 0,\n // 0, 1, 2, 3\n\n // Define the dragging mode of the cropper\n dragMode: DRAG_MODE_CROP,\n // 'crop', 'move' or 'none'\n\n // Define the initial aspect ratio of the crop box\n initialAspectRatio: NaN,\n // Define the aspect ratio of the crop box\n aspectRatio: NaN,\n // An object with the previous cropping result data\n data: null,\n // A selector for adding extra containers to preview\n preview: '',\n // Re-render the cropper when resize the window\n responsive: true,\n // Restore the cropped area after resize the window\n restore: true,\n // Check if the current image is a cross-origin image\n checkCrossOrigin: true,\n // Check the current image's Exif Orientation information\n checkOrientation: true,\n // Show the black modal\n modal: true,\n // Show the dashed lines for guiding\n guides: true,\n // Show the center indicator for guiding\n center: true,\n // Show the white modal to highlight the crop box\n highlight: true,\n // Show the grid background\n background: true,\n // Enable to crop the image automatically when initialize\n autoCrop: true,\n // Define the percentage of automatic cropping area when initializes\n autoCropArea: 0.8,\n // Enable to move the image\n movable: true,\n // Enable to rotate the image\n rotatable: true,\n // Enable to scale the image\n scalable: true,\n // Enable to zoom the image\n zoomable: true,\n // Enable to zoom the image by dragging touch\n zoomOnTouch: true,\n // Enable to zoom the image by wheeling mouse\n zoomOnWheel: true,\n // Define zoom ratio when zoom the image by wheeling mouse\n wheelZoomRatio: 0.1,\n // Enable to move the crop box\n cropBoxMovable: true,\n // Enable to resize the crop box\n cropBoxResizable: true,\n // Toggle drag mode between \"crop\" and \"move\" when click twice on the cropper\n toggleDragModeOnDblclick: true,\n // Size limitation\n minCanvasWidth: 0,\n minCanvasHeight: 0,\n minCropBoxWidth: 0,\n minCropBoxHeight: 0,\n minContainerWidth: MIN_CONTAINER_WIDTH,\n minContainerHeight: MIN_CONTAINER_HEIGHT,\n // Shortcuts of events\n ready: null,\n cropstart: null,\n cropmove: null,\n cropend: null,\n crop: null,\n zoom: null\n };\n\n var TEMPLATE = '
' + '
' + '
' + '
' + '
' + '
' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '
' + '
';\n\n /**\n * Check if the given value is not a number.\n */\n var isNaN = Number.isNaN || WINDOW.isNaN;\n\n /**\n * Check if the given value is a number.\n * @param {*} value - The value to check.\n * @returns {boolean} Returns `true` if the given value is a number, else `false`.\n */\n function isNumber(value) {\n return typeof value === 'number' && !isNaN(value);\n }\n\n /**\n * Check if the given value is a positive number.\n * @param {*} value - The value to check.\n * @returns {boolean} Returns `true` if the given value is a positive number, else `false`.\n */\n var isPositiveNumber = function isPositiveNumber(value) {\n return value > 0 && value < Infinity;\n };\n\n /**\n * Check if the given value is undefined.\n * @param {*} value - The value to check.\n * @returns {boolean} Returns `true` if the given value is undefined, else `false`.\n */\n function isUndefined(value) {\n return typeof value === 'undefined';\n }\n\n /**\n * Check if the given value is an object.\n * @param {*} value - The value to check.\n * @returns {boolean} Returns `true` if the given value is an object, else `false`.\n */\n function isObject(value) {\n return _typeof(value) === 'object' && value !== null;\n }\n var hasOwnProperty = Object.prototype.hasOwnProperty;\n\n /**\n * Check if the given value is a plain object.\n * @param {*} value - The value to check.\n * @returns {boolean} Returns `true` if the given value is a plain object, else `false`.\n */\n function isPlainObject(value) {\n if (!isObject(value)) {\n return false;\n }\n try {\n var _constructor = value.constructor;\n var prototype = _constructor.prototype;\n return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');\n } catch (error) {\n return false;\n }\n }\n\n /**\n * Check if the given value is a function.\n * @param {*} value - The value to check.\n * @returns {boolean} Returns `true` if the given value is a function, else `false`.\n */\n function isFunction(value) {\n return typeof value === 'function';\n }\n var slice = Array.prototype.slice;\n\n /**\n * Convert array-like or iterable object to an array.\n * @param {*} value - The value to convert.\n * @returns {Array} Returns a new array.\n */\n function toArray(value) {\n return Array.from ? Array.from(value) : slice.call(value);\n }\n\n /**\n * Iterate the given data.\n * @param {*} data - The data to iterate.\n * @param {Function} callback - The process function for each element.\n * @returns {*} The original data.\n */\n function forEach(data, callback) {\n if (data && isFunction(callback)) {\n if (Array.isArray(data) || isNumber(data.length) /* array-like */) {\n toArray(data).forEach(function (value, key) {\n callback.call(data, value, key, data);\n });\n } else if (isObject(data)) {\n Object.keys(data).forEach(function (key) {\n callback.call(data, data[key], key, data);\n });\n }\n }\n return data;\n }\n\n /**\n * Extend the given object.\n * @param {*} target - The target object to extend.\n * @param {*} args - The rest objects for merging to the target object.\n * @returns {Object} The extended object.\n */\n var assign = Object.assign || function assign(target) {\n for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n if (isObject(target) && args.length > 0) {\n args.forEach(function (arg) {\n if (isObject(arg)) {\n Object.keys(arg).forEach(function (key) {\n target[key] = arg[key];\n });\n }\n });\n }\n return target;\n };\n var REGEXP_DECIMALS = /\\.\\d*(?:0|9){12}\\d*$/;\n\n /**\n * Normalize decimal number.\n * Check out {@link https://0.30000000000000004.com/}\n * @param {number} value - The value to normalize.\n * @param {number} [times=100000000000] - The times for normalizing.\n * @returns {number} Returns the normalized number.\n */\n function normalizeDecimalNumber(value) {\n var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;\n return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;\n }\n var REGEXP_SUFFIX = /^width|height|left|top|marginLeft|marginTop$/;\n\n /**\n * Apply styles to the given element.\n * @param {Element} element - The target element.\n * @param {Object} styles - The styles for applying.\n */\n function setStyle(element, styles) {\n var style = element.style;\n forEach(styles, function (value, property) {\n if (REGEXP_SUFFIX.test(property) && isNumber(value)) {\n value = \"\".concat(value, \"px\");\n }\n style[property] = value;\n });\n }\n\n /**\n * Check if the given element has a special class.\n * @param {Element} element - The element to check.\n * @param {string} value - The class to search.\n * @returns {boolean} Returns `true` if the special class was found.\n */\n function hasClass(element, value) {\n return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;\n }\n\n /**\n * Add classes to the given element.\n * @param {Element} element - The target element.\n * @param {string} value - The classes to be added.\n */\n function addClass(element, value) {\n if (!value) {\n return;\n }\n if (isNumber(element.length)) {\n forEach(element, function (elem) {\n addClass(elem, value);\n });\n return;\n }\n if (element.classList) {\n element.classList.add(value);\n return;\n }\n var className = element.className.trim();\n if (!className) {\n element.className = value;\n } else if (className.indexOf(value) < 0) {\n element.className = \"\".concat(className, \" \").concat(value);\n }\n }\n\n /**\n * Remove classes from the given element.\n * @param {Element} element - The target element.\n * @param {string} value - The classes to be removed.\n */\n function removeClass(element, value) {\n if (!value) {\n return;\n }\n if (isNumber(element.length)) {\n forEach(element, function (elem) {\n removeClass(elem, value);\n });\n return;\n }\n if (element.classList) {\n element.classList.remove(value);\n return;\n }\n if (element.className.indexOf(value) >= 0) {\n element.className = element.className.replace(value, '');\n }\n }\n\n /**\n * Add or remove classes from the given element.\n * @param {Element} element - The target element.\n * @param {string} value - The classes to be toggled.\n * @param {boolean} added - Add only.\n */\n function toggleClass(element, value, added) {\n if (!value) {\n return;\n }\n if (isNumber(element.length)) {\n forEach(element, function (elem) {\n toggleClass(elem, value, added);\n });\n return;\n }\n\n // IE10-11 doesn't support the second parameter of `classList.toggle`\n if (added) {\n addClass(element, value);\n } else {\n removeClass(element, value);\n }\n }\n var REGEXP_CAMEL_CASE = /([a-z\\d])([A-Z])/g;\n\n /**\n * Transform the given string from camelCase to kebab-case\n * @param {string} value - The value to transform.\n * @returns {string} The transformed value.\n */\n function toParamCase(value) {\n return value.replace(REGEXP_CAMEL_CASE, '$1-$2').toLowerCase();\n }\n\n /**\n * Get data from the given element.\n * @param {Element} element - The target element.\n * @param {string} name - The data key to get.\n * @returns {string} The data value.\n */\n function getData(element, name) {\n if (isObject(element[name])) {\n return element[name];\n }\n if (element.dataset) {\n return element.dataset[name];\n }\n return element.getAttribute(\"data-\".concat(toParamCase(name)));\n }\n\n /**\n * Set data to the given element.\n * @param {Element} element - The target element.\n * @param {string} name - The data key to set.\n * @param {string} data - The data value.\n */\n function setData(element, name, data) {\n if (isObject(data)) {\n element[name] = data;\n } else if (element.dataset) {\n element.dataset[name] = data;\n } else {\n element.setAttribute(\"data-\".concat(toParamCase(name)), data);\n }\n }\n\n /**\n * Remove data from the given element.\n * @param {Element} element - The target element.\n * @param {string} name - The data key to remove.\n */\n function removeData(element, name) {\n if (isObject(element[name])) {\n try {\n delete element[name];\n } catch (error) {\n element[name] = undefined;\n }\n } else if (element.dataset) {\n // #128 Safari not allows to delete dataset property\n try {\n delete element.dataset[name];\n } catch (error) {\n element.dataset[name] = undefined;\n }\n } else {\n element.removeAttribute(\"data-\".concat(toParamCase(name)));\n }\n }\n var REGEXP_SPACES = /\\s\\s*/;\n var onceSupported = function () {\n var supported = false;\n if (IS_BROWSER) {\n var once = false;\n var listener = function listener() {};\n var options = Object.defineProperty({}, 'once', {\n get: function get() {\n supported = true;\n return once;\n },\n /**\n * This setter can fix a `TypeError` in strict mode\n * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only}\n * @param {boolean} value - The value to set\n */\n set: function set(value) {\n once = value;\n }\n });\n WINDOW.addEventListener('test', listener, options);\n WINDOW.removeEventListener('test', listener, options);\n }\n return supported;\n }();\n\n /**\n * Remove event listener from the target element.\n * @param {Element} element - The event target.\n * @param {string} type - The event type(s).\n * @param {Function} listener - The event listener.\n * @param {Object} options - The event options.\n */\n function removeListener(element, type, listener) {\n var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};\n var handler = listener;\n type.trim().split(REGEXP_SPACES).forEach(function (event) {\n if (!onceSupported) {\n var listeners = element.listeners;\n if (listeners && listeners[event] && listeners[event][listener]) {\n handler = listeners[event][listener];\n delete listeners[event][listener];\n if (Object.keys(listeners[event]).length === 0) {\n delete listeners[event];\n }\n if (Object.keys(listeners).length === 0) {\n delete element.listeners;\n }\n }\n }\n element.removeEventListener(event, handler, options);\n });\n }\n\n /**\n * Add event listener to the target element.\n * @param {Element} element - The event target.\n * @param {string} type - The event type(s).\n * @param {Function} listener - The event listener.\n * @param {Object} options - The event options.\n */\n function addListener(element, type, listener) {\n var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};\n var _handler = listener;\n type.trim().split(REGEXP_SPACES).forEach(function (event) {\n if (options.once && !onceSupported) {\n var _element$listeners = element.listeners,\n listeners = _element$listeners === void 0 ? {} : _element$listeners;\n _handler = function handler() {\n delete listeners[event][listener];\n element.removeEventListener(event, _handler, options);\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n listener.apply(element, args);\n };\n if (!listeners[event]) {\n listeners[event] = {};\n }\n if (listeners[event][listener]) {\n element.removeEventListener(event, listeners[event][listener], options);\n }\n listeners[event][listener] = _handler;\n element.listeners = listeners;\n }\n element.addEventListener(event, _handler, options);\n });\n }\n\n /**\n * Dispatch event on the target element.\n * @param {Element} element - The event target.\n * @param {string} type - The event type(s).\n * @param {Object} data - The additional event data.\n * @returns {boolean} Indicate if the event is default prevented or not.\n */\n function dispatchEvent(element, type, data) {\n var event;\n\n // Event and CustomEvent on IE9-11 are global objects, not constructors\n if (isFunction(Event) && isFunction(CustomEvent)) {\n event = new CustomEvent(type, {\n detail: data,\n bubbles: true,\n cancelable: true\n });\n } else {\n event = document.createEvent('CustomEvent');\n event.initCustomEvent(type, true, true, data);\n }\n return element.dispatchEvent(event);\n }\n\n /**\n * Get the offset base on the document.\n * @param {Element} element - The target element.\n * @returns {Object} The offset data.\n */\n function getOffset(element) {\n var box = element.getBoundingClientRect();\n return {\n left: box.left + (window.pageXOffset - document.documentElement.clientLeft),\n top: box.top + (window.pageYOffset - document.documentElement.clientTop)\n };\n }\n var location = WINDOW.location;\n var REGEXP_ORIGINS = /^(\\w+:)\\/\\/([^:/?#]*):?(\\d*)/i;\n\n /**\n * Check if the given URL is a cross origin URL.\n * @param {string} url - The target URL.\n * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.\n */\n function isCrossOriginURL(url) {\n var parts = url.match(REGEXP_ORIGINS);\n return parts !== null && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);\n }\n\n /**\n * Add timestamp to the given URL.\n * @param {string} url - The target URL.\n * @returns {string} The result URL.\n */\n function addTimestamp(url) {\n var timestamp = \"timestamp=\".concat(new Date().getTime());\n return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;\n }\n\n /**\n * Get transforms base on the given object.\n * @param {Object} obj - The target object.\n * @returns {string} A string contains transform values.\n */\n function getTransforms(_ref) {\n var rotate = _ref.rotate,\n scaleX = _ref.scaleX,\n scaleY = _ref.scaleY,\n translateX = _ref.translateX,\n translateY = _ref.translateY;\n var values = [];\n if (isNumber(translateX) && translateX !== 0) {\n values.push(\"translateX(\".concat(translateX, \"px)\"));\n }\n if (isNumber(translateY) && translateY !== 0) {\n values.push(\"translateY(\".concat(translateY, \"px)\"));\n }\n\n // Rotate should come first before scale to match orientation transform\n if (isNumber(rotate) && rotate !== 0) {\n values.push(\"rotate(\".concat(rotate, \"deg)\"));\n }\n if (isNumber(scaleX) && scaleX !== 1) {\n values.push(\"scaleX(\".concat(scaleX, \")\"));\n }\n if (isNumber(scaleY) && scaleY !== 1) {\n values.push(\"scaleY(\".concat(scaleY, \")\"));\n }\n var transform = values.length ? values.join(' ') : 'none';\n return {\n WebkitTransform: transform,\n msTransform: transform,\n transform: transform\n };\n }\n\n /**\n * Get the max ratio of a group of pointers.\n * @param {string} pointers - The target pointers.\n * @returns {number} The result ratio.\n */\n function getMaxZoomRatio(pointers) {\n var pointers2 = _objectSpread2({}, pointers);\n var maxRatio = 0;\n forEach(pointers, function (pointer, pointerId) {\n delete pointers2[pointerId];\n forEach(pointers2, function (pointer2) {\n var x1 = Math.abs(pointer.startX - pointer2.startX);\n var y1 = Math.abs(pointer.startY - pointer2.startY);\n var x2 = Math.abs(pointer.endX - pointer2.endX);\n var y2 = Math.abs(pointer.endY - pointer2.endY);\n var z1 = Math.sqrt(x1 * x1 + y1 * y1);\n var z2 = Math.sqrt(x2 * x2 + y2 * y2);\n var ratio = (z2 - z1) / z1;\n if (Math.abs(ratio) > Math.abs(maxRatio)) {\n maxRatio = ratio;\n }\n });\n });\n return maxRatio;\n }\n\n /**\n * Get a pointer from an event object.\n * @param {Object} event - The target event object.\n * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.\n * @returns {Object} The result pointer contains start and/or end point coordinates.\n */\n function getPointer(_ref2, endOnly) {\n var pageX = _ref2.pageX,\n pageY = _ref2.pageY;\n var end = {\n endX: pageX,\n endY: pageY\n };\n return endOnly ? end : _objectSpread2({\n startX: pageX,\n startY: pageY\n }, end);\n }\n\n /**\n * Get the center point coordinate of a group of pointers.\n * @param {Object} pointers - The target pointers.\n * @returns {Object} The center point coordinate.\n */\n function getPointersCenter(pointers) {\n var pageX = 0;\n var pageY = 0;\n var count = 0;\n forEach(pointers, function (_ref3) {\n var startX = _ref3.startX,\n startY = _ref3.startY;\n pageX += startX;\n pageY += startY;\n count += 1;\n });\n pageX /= count;\n pageY /= count;\n return {\n pageX: pageX,\n pageY: pageY\n };\n }\n\n /**\n * Get the max sizes in a rectangle under the given aspect ratio.\n * @param {Object} data - The original sizes.\n * @param {string} [type='contain'] - The adjust type.\n * @returns {Object} The result sizes.\n */\n function getAdjustedSizes(_ref4) {\n var aspectRatio = _ref4.aspectRatio,\n height = _ref4.height,\n width = _ref4.width;\n var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'contain';\n var isValidWidth = isPositiveNumber(width);\n var isValidHeight = isPositiveNumber(height);\n if (isValidWidth && isValidHeight) {\n var adjustedWidth = height * aspectRatio;\n if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) {\n height = width / aspectRatio;\n } else {\n width = height * aspectRatio;\n }\n } else if (isValidWidth) {\n height = width / aspectRatio;\n } else if (isValidHeight) {\n width = height * aspectRatio;\n }\n return {\n width: width,\n height: height\n };\n }\n\n /**\n * Get the new sizes of a rectangle after rotated.\n * @param {Object} data - The original sizes.\n * @returns {Object} The result sizes.\n */\n function getRotatedSizes(_ref5) {\n var width = _ref5.width,\n height = _ref5.height,\n degree = _ref5.degree;\n degree = Math.abs(degree) % 180;\n if (degree === 90) {\n return {\n width: height,\n height: width\n };\n }\n var arc = degree % 90 * Math.PI / 180;\n var sinArc = Math.sin(arc);\n var cosArc = Math.cos(arc);\n var newWidth = width * cosArc + height * sinArc;\n var newHeight = width * sinArc + height * cosArc;\n return degree > 90 ? {\n width: newHeight,\n height: newWidth\n } : {\n width: newWidth,\n height: newHeight\n };\n }\n\n /**\n * Get a canvas which drew the given image.\n * @param {HTMLImageElement} image - The image for drawing.\n * @param {Object} imageData - The image data.\n * @param {Object} canvasData - The canvas data.\n * @param {Object} options - The options.\n * @returns {HTMLCanvasElement} The result canvas.\n */\n function getSourceCanvas(image, _ref6, _ref7, _ref8) {\n var imageAspectRatio = _ref6.aspectRatio,\n imageNaturalWidth = _ref6.naturalWidth,\n imageNaturalHeight = _ref6.naturalHeight,\n _ref6$rotate = _ref6.rotate,\n rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate,\n _ref6$scaleX = _ref6.scaleX,\n scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX,\n _ref6$scaleY = _ref6.scaleY,\n scaleY = _ref6$scaleY === void 0 ? 1 : _ref6$scaleY;\n var aspectRatio = _ref7.aspectRatio,\n naturalWidth = _ref7.naturalWidth,\n naturalHeight = _ref7.naturalHeight;\n var _ref8$fillColor = _ref8.fillColor,\n fillColor = _ref8$fillColor === void 0 ? 'transparent' : _ref8$fillColor,\n _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,\n imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ? true : _ref8$imageSmoothingE,\n _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,\n imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? 'low' : _ref8$imageSmoothingQ,\n _ref8$maxWidth = _ref8.maxWidth,\n maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth,\n _ref8$maxHeight = _ref8.maxHeight,\n maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight,\n _ref8$minWidth = _ref8.minWidth,\n minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth,\n _ref8$minHeight = _ref8.minHeight,\n minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$minHeight;\n var canvas = document.createElement('canvas');\n var context = canvas.getContext('2d');\n var maxSizes = getAdjustedSizes({\n aspectRatio: aspectRatio,\n width: maxWidth,\n height: maxHeight\n });\n var minSizes = getAdjustedSizes({\n aspectRatio: aspectRatio,\n width: minWidth,\n height: minHeight\n }, 'cover');\n var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));\n var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));\n\n // Note: should always use image's natural sizes for drawing as\n // imageData.naturalWidth === canvasData.naturalHeight when rotate % 180 === 90\n var destMaxSizes = getAdjustedSizes({\n aspectRatio: imageAspectRatio,\n width: maxWidth,\n height: maxHeight\n });\n var destMinSizes = getAdjustedSizes({\n aspectRatio: imageAspectRatio,\n width: minWidth,\n height: minHeight\n }, 'cover');\n var destWidth = Math.min(destMaxSizes.width, Math.max(destMinSizes.width, imageNaturalWidth));\n var destHeight = Math.min(destMaxSizes.height, Math.max(destMinSizes.height, imageNaturalHeight));\n var params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight];\n canvas.width = normalizeDecimalNumber(width);\n canvas.height = normalizeDecimalNumber(height);\n context.fillStyle = fillColor;\n context.fillRect(0, 0, width, height);\n context.save();\n context.translate(width / 2, height / 2);\n context.rotate(rotate * Math.PI / 180);\n context.scale(scaleX, scaleY);\n context.imageSmoothingEnabled = imageSmoothingEnabled;\n context.imageSmoothingQuality = imageSmoothingQuality;\n context.drawImage.apply(context, [image].concat(_toConsumableArray(params.map(function (param) {\n return Math.floor(normalizeDecimalNumber(param));\n }))));\n context.restore();\n return canvas;\n }\n var fromCharCode = String.fromCharCode;\n\n /**\n * Get string from char code in data view.\n * @param {DataView} dataView - The data view for read.\n * @param {number} start - The start index.\n * @param {number} length - The read length.\n * @returns {string} The read result.\n */\n function getStringFromCharCode(dataView, start, length) {\n var str = '';\n length += start;\n for (var i = start; i < length; i += 1) {\n str += fromCharCode(dataView.getUint8(i));\n }\n return str;\n }\n var REGEXP_DATA_URL_HEAD = /^data:.*,/;\n\n /**\n * Transform Data URL to array buffer.\n * @param {string} dataURL - The Data URL to transform.\n * @returns {ArrayBuffer} The result array buffer.\n */\n function dataURLToArrayBuffer(dataURL) {\n var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');\n var binary = atob(base64);\n var arrayBuffer = new ArrayBuffer(binary.length);\n var uint8 = new Uint8Array(arrayBuffer);\n forEach(uint8, function (value, i) {\n uint8[i] = binary.charCodeAt(i);\n });\n return arrayBuffer;\n }\n\n /**\n * Transform array buffer to Data URL.\n * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.\n * @param {string} mimeType - The mime type of the Data URL.\n * @returns {string} The result Data URL.\n */\n function arrayBufferToDataURL(arrayBuffer, mimeType) {\n var chunks = [];\n\n // Chunk Typed Array for better performance (#435)\n var chunkSize = 8192;\n var uint8 = new Uint8Array(arrayBuffer);\n while (uint8.length > 0) {\n // XXX: Babel's `toConsumableArray` helper will throw error in IE or Safari 9\n // eslint-disable-next-line prefer-spread\n chunks.push(fromCharCode.apply(null, toArray(uint8.subarray(0, chunkSize))));\n uint8 = uint8.subarray(chunkSize);\n }\n return \"data:\".concat(mimeType, \";base64,\").concat(btoa(chunks.join('')));\n }\n\n /**\n * Get orientation value from given array buffer.\n * @param {ArrayBuffer} arrayBuffer - The array buffer to read.\n * @returns {number} The read orientation value.\n */\n function resetAndGetOrientation(arrayBuffer) {\n var dataView = new DataView(arrayBuffer);\n var orientation;\n\n // Ignores range error when the image does not have correct Exif information\n try {\n var littleEndian;\n var app1Start;\n var ifdStart;\n\n // Only handle JPEG image (start by 0xFFD8)\n if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {\n var length = dataView.byteLength;\n var offset = 2;\n while (offset + 1 < length) {\n if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {\n app1Start = offset;\n break;\n }\n offset += 1;\n }\n }\n if (app1Start) {\n var exifIDCode = app1Start + 4;\n var tiffOffset = app1Start + 10;\n if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {\n var endianness = dataView.getUint16(tiffOffset);\n littleEndian = endianness === 0x4949;\n if (littleEndian || endianness === 0x4D4D /* bigEndian */) {\n if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {\n var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);\n if (firstIFDOffset >= 0x00000008) {\n ifdStart = tiffOffset + firstIFDOffset;\n }\n }\n }\n }\n }\n if (ifdStart) {\n var _length = dataView.getUint16(ifdStart, littleEndian);\n var _offset;\n var i;\n for (i = 0; i < _length; i += 1) {\n _offset = ifdStart + i * 12 + 2;\n if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) {\n // 8 is the offset of the current tag's value\n _offset += 8;\n\n // Get the original orientation value\n orientation = dataView.getUint16(_offset, littleEndian);\n\n // Override the orientation with its default value\n dataView.setUint16(_offset, 1, littleEndian);\n break;\n }\n }\n }\n } catch (error) {\n orientation = 1;\n }\n return orientation;\n }\n\n /**\n * Parse Exif Orientation value.\n * @param {number} orientation - The orientation to parse.\n * @returns {Object} The parsed result.\n */\n function parseOrientation(orientation) {\n var rotate = 0;\n var scaleX = 1;\n var scaleY = 1;\n switch (orientation) {\n // Flip horizontal\n case 2:\n scaleX = -1;\n break;\n\n // Rotate left 180\u00B0\n case 3:\n rotate = -180;\n break;\n\n // Flip vertical\n case 4:\n scaleY = -1;\n break;\n\n // Flip vertical and rotate right 90\u00B0\n case 5:\n rotate = 90;\n scaleY = -1;\n break;\n\n // Rotate right 90\u00B0\n case 6:\n rotate = 90;\n break;\n\n // Flip horizontal and rotate right 90\u00B0\n case 7:\n rotate = 90;\n scaleX = -1;\n break;\n\n // Rotate left 90\u00B0\n case 8:\n rotate = -90;\n break;\n }\n return {\n rotate: rotate,\n scaleX: scaleX,\n scaleY: scaleY\n };\n }\n\n var render = {\n render: function render() {\n this.initContainer();\n this.initCanvas();\n this.initCropBox();\n this.renderCanvas();\n if (this.cropped) {\n this.renderCropBox();\n }\n },\n initContainer: function initContainer() {\n var element = this.element,\n options = this.options,\n container = this.container,\n cropper = this.cropper;\n var minWidth = Number(options.minContainerWidth);\n var minHeight = Number(options.minContainerHeight);\n addClass(cropper, CLASS_HIDDEN);\n removeClass(element, CLASS_HIDDEN);\n var containerData = {\n width: Math.max(container.offsetWidth, minWidth >= 0 ? minWidth : MIN_CONTAINER_WIDTH),\n height: Math.max(container.offsetHeight, minHeight >= 0 ? minHeight : MIN_CONTAINER_HEIGHT)\n };\n this.containerData = containerData;\n setStyle(cropper, {\n width: containerData.width,\n height: containerData.height\n });\n addClass(element, CLASS_HIDDEN);\n removeClass(cropper, CLASS_HIDDEN);\n },\n // Canvas (image wrapper)\n initCanvas: function initCanvas() {\n var containerData = this.containerData,\n imageData = this.imageData;\n var viewMode = this.options.viewMode;\n var rotated = Math.abs(imageData.rotate) % 180 === 90;\n var naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;\n var naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;\n var aspectRatio = naturalWidth / naturalHeight;\n var canvasWidth = containerData.width;\n var canvasHeight = containerData.height;\n if (containerData.height * aspectRatio > containerData.width) {\n if (viewMode === 3) {\n canvasWidth = containerData.height * aspectRatio;\n } else {\n canvasHeight = containerData.width / aspectRatio;\n }\n } else if (viewMode === 3) {\n canvasHeight = containerData.width / aspectRatio;\n } else {\n canvasWidth = containerData.height * aspectRatio;\n }\n var canvasData = {\n aspectRatio: aspectRatio,\n naturalWidth: naturalWidth,\n naturalHeight: naturalHeight,\n width: canvasWidth,\n height: canvasHeight\n };\n this.canvasData = canvasData;\n this.limited = viewMode === 1 || viewMode === 2;\n this.limitCanvas(true, true);\n canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);\n canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);\n canvasData.left = (containerData.width - canvasData.width) / 2;\n canvasData.top = (containerData.height - canvasData.height) / 2;\n canvasData.oldLeft = canvasData.left;\n canvasData.oldTop = canvasData.top;\n this.initialCanvasData = assign({}, canvasData);\n },\n limitCanvas: function limitCanvas(sizeLimited, positionLimited) {\n var options = this.options,\n containerData = this.containerData,\n canvasData = this.canvasData,\n cropBoxData = this.cropBoxData;\n var viewMode = options.viewMode;\n var aspectRatio = canvasData.aspectRatio;\n var cropped = this.cropped && cropBoxData;\n if (sizeLimited) {\n var minCanvasWidth = Number(options.minCanvasWidth) || 0;\n var minCanvasHeight = Number(options.minCanvasHeight) || 0;\n if (viewMode > 1) {\n minCanvasWidth = Math.max(minCanvasWidth, containerData.width);\n minCanvasHeight = Math.max(minCanvasHeight, containerData.height);\n if (viewMode === 3) {\n if (minCanvasHeight * aspectRatio > minCanvasWidth) {\n minCanvasWidth = minCanvasHeight * aspectRatio;\n } else {\n minCanvasHeight = minCanvasWidth / aspectRatio;\n }\n }\n } else if (viewMode > 0) {\n if (minCanvasWidth) {\n minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);\n } else if (minCanvasHeight) {\n minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);\n } else if (cropped) {\n minCanvasWidth = cropBoxData.width;\n minCanvasHeight = cropBoxData.height;\n if (minCanvasHeight * aspectRatio > minCanvasWidth) {\n minCanvasWidth = minCanvasHeight * aspectRatio;\n } else {\n minCanvasHeight = minCanvasWidth / aspectRatio;\n }\n }\n }\n var _getAdjustedSizes = getAdjustedSizes({\n aspectRatio: aspectRatio,\n width: minCanvasWidth,\n height: minCanvasHeight\n });\n minCanvasWidth = _getAdjustedSizes.width;\n minCanvasHeight = _getAdjustedSizes.height;\n canvasData.minWidth = minCanvasWidth;\n canvasData.minHeight = minCanvasHeight;\n canvasData.maxWidth = Infinity;\n canvasData.maxHeight = Infinity;\n }\n if (positionLimited) {\n if (viewMode > (cropped ? 0 : 1)) {\n var newCanvasLeft = containerData.width - canvasData.width;\n var newCanvasTop = containerData.height - canvasData.height;\n canvasData.minLeft = Math.min(0, newCanvasLeft);\n canvasData.minTop = Math.min(0, newCanvasTop);\n canvasData.maxLeft = Math.max(0, newCanvasLeft);\n canvasData.maxTop = Math.max(0, newCanvasTop);\n if (cropped && this.limited) {\n canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));\n canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));\n canvasData.maxLeft = cropBoxData.left;\n canvasData.maxTop = cropBoxData.top;\n if (viewMode === 2) {\n if (canvasData.width >= containerData.width) {\n canvasData.minLeft = Math.min(0, newCanvasLeft);\n canvasData.maxLeft = Math.max(0, newCanvasLeft);\n }\n if (canvasData.height >= containerData.height) {\n canvasData.minTop = Math.min(0, newCanvasTop);\n canvasData.maxTop = Math.max(0, newCanvasTop);\n }\n }\n }\n } else {\n canvasData.minLeft = -canvasData.width;\n canvasData.minTop = -canvasData.height;\n canvasData.maxLeft = containerData.width;\n canvasData.maxTop = containerData.height;\n }\n }\n },\n renderCanvas: function renderCanvas(changed, transformed) {\n var canvasData = this.canvasData,\n imageData = this.imageData;\n if (transformed) {\n var _getRotatedSizes = getRotatedSizes({\n width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),\n height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),\n degree: imageData.rotate || 0\n }),\n naturalWidth = _getRotatedSizes.width,\n naturalHeight = _getRotatedSizes.height;\n var width = canvasData.width * (naturalWidth / canvasData.naturalWidth);\n var height = canvasData.height * (naturalHeight / canvasData.naturalHeight);\n canvasData.left -= (width - canvasData.width) / 2;\n canvasData.top -= (height - canvasData.height) / 2;\n canvasData.width = width;\n canvasData.height = height;\n canvasData.aspectRatio = naturalWidth / naturalHeight;\n canvasData.naturalWidth = naturalWidth;\n canvasData.naturalHeight = naturalHeight;\n this.limitCanvas(true, false);\n }\n if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) {\n canvasData.left = canvasData.oldLeft;\n }\n if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) {\n canvasData.top = canvasData.oldTop;\n }\n canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);\n canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);\n this.limitCanvas(false, true);\n canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft);\n canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop);\n canvasData.oldLeft = canvasData.left;\n canvasData.oldTop = canvasData.top;\n setStyle(this.canvas, assign({\n width: canvasData.width,\n height: canvasData.height\n }, getTransforms({\n translateX: canvasData.left,\n translateY: canvasData.top\n })));\n this.renderImage(changed);\n if (this.cropped && this.limited) {\n this.limitCropBox(true, true);\n }\n },\n renderImage: function renderImage(changed) {\n var canvasData = this.canvasData,\n imageData = this.imageData;\n var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);\n var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);\n assign(imageData, {\n width: width,\n height: height,\n left: (canvasData.width - width) / 2,\n top: (canvasData.height - height) / 2\n });\n setStyle(this.image, assign({\n width: imageData.width,\n height: imageData.height\n }, getTransforms(assign({\n translateX: imageData.left,\n translateY: imageData.top\n }, imageData))));\n if (changed) {\n this.output();\n }\n },\n initCropBox: function initCropBox() {\n var options = this.options,\n canvasData = this.canvasData;\n var aspectRatio = options.aspectRatio || options.initialAspectRatio;\n var autoCropArea = Number(options.autoCropArea) || 0.8;\n var cropBoxData = {\n width: canvasData.width,\n height: canvasData.height\n };\n if (aspectRatio) {\n if (canvasData.height * aspectRatio > canvasData.width) {\n cropBoxData.height = cropBoxData.width / aspectRatio;\n } else {\n cropBoxData.width = cropBoxData.height * aspectRatio;\n }\n }\n this.cropBoxData = cropBoxData;\n this.limitCropBox(true, true);\n\n // Initialize auto crop area\n cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);\n cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);\n\n // The width/height of auto crop area must large than \"minWidth/Height\"\n cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea);\n cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea);\n cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2;\n cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2;\n cropBoxData.oldLeft = cropBoxData.left;\n cropBoxData.oldTop = cropBoxData.top;\n this.initialCropBoxData = assign({}, cropBoxData);\n },\n limitCropBox: function limitCropBox(sizeLimited, positionLimited) {\n var options = this.options,\n containerData = this.containerData,\n canvasData = this.canvasData,\n cropBoxData = this.cropBoxData,\n limited = this.limited;\n var aspectRatio = options.aspectRatio;\n if (sizeLimited) {\n var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;\n var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;\n var maxCropBoxWidth = limited ? Math.min(containerData.width, canvasData.width, canvasData.width + canvasData.left, containerData.width - canvasData.left) : containerData.width;\n var maxCropBoxHeight = limited ? Math.min(containerData.height, canvasData.height, canvasData.height + canvasData.top, containerData.height - canvasData.top) : containerData.height;\n\n // The min/maxCropBoxWidth/Height must be less than container's width/height\n minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);\n minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);\n if (aspectRatio) {\n if (minCropBoxWidth && minCropBoxHeight) {\n if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {\n minCropBoxHeight = minCropBoxWidth / aspectRatio;\n } else {\n minCropBoxWidth = minCropBoxHeight * aspectRatio;\n }\n } else if (minCropBoxWidth) {\n minCropBoxHeight = minCropBoxWidth / aspectRatio;\n } else if (minCropBoxHeight) {\n minCropBoxWidth = minCropBoxHeight * aspectRatio;\n }\n if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {\n maxCropBoxHeight = maxCropBoxWidth / aspectRatio;\n } else {\n maxCropBoxWidth = maxCropBoxHeight * aspectRatio;\n }\n }\n\n // The minWidth/Height must be less than maxWidth/Height\n cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);\n cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);\n cropBoxData.maxWidth = maxCropBoxWidth;\n cropBoxData.maxHeight = maxCropBoxHeight;\n }\n if (positionLimited) {\n if (limited) {\n cropBoxData.minLeft = Math.max(0, canvasData.left);\n cropBoxData.minTop = Math.max(0, canvasData.top);\n cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width;\n cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height;\n } else {\n cropBoxData.minLeft = 0;\n cropBoxData.minTop = 0;\n cropBoxData.maxLeft = containerData.width - cropBoxData.width;\n cropBoxData.maxTop = containerData.height - cropBoxData.height;\n }\n }\n },\n renderCropBox: function renderCropBox() {\n var options = this.options,\n containerData = this.containerData,\n cropBoxData = this.cropBoxData;\n if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) {\n cropBoxData.left = cropBoxData.oldLeft;\n }\n if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) {\n cropBoxData.top = cropBoxData.oldTop;\n }\n cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);\n cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);\n this.limitCropBox(false, true);\n cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft);\n cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop);\n cropBoxData.oldLeft = cropBoxData.left;\n cropBoxData.oldTop = cropBoxData.top;\n if (options.movable && options.cropBoxMovable) {\n // Turn to move the canvas when the crop box is equal to the container\n setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);\n }\n setStyle(this.cropBox, assign({\n width: cropBoxData.width,\n height: cropBoxData.height\n }, getTransforms({\n translateX: cropBoxData.left,\n translateY: cropBoxData.top\n })));\n if (this.cropped && this.limited) {\n this.limitCanvas(true, true);\n }\n if (!this.disabled) {\n this.output();\n }\n },\n output: function output() {\n this.preview();\n dispatchEvent(this.element, EVENT_CROP, this.getData());\n }\n };\n\n var preview = {\n initPreview: function initPreview() {\n var element = this.element,\n crossOrigin = this.crossOrigin;\n var preview = this.options.preview;\n var url = crossOrigin ? this.crossOriginUrl : this.url;\n var alt = element.alt || 'The image to preview';\n var image = document.createElement('img');\n if (crossOrigin) {\n image.crossOrigin = crossOrigin;\n }\n image.src = url;\n image.alt = alt;\n this.viewBox.appendChild(image);\n this.viewBoxImage = image;\n if (!preview) {\n return;\n }\n var previews = preview;\n if (typeof preview === 'string') {\n previews = element.ownerDocument.querySelectorAll(preview);\n } else if (preview.querySelector) {\n previews = [preview];\n }\n this.previews = previews;\n forEach(previews, function (el) {\n var img = document.createElement('img');\n\n // Save the original size for recover\n setData(el, DATA_PREVIEW, {\n width: el.offsetWidth,\n height: el.offsetHeight,\n html: el.innerHTML\n });\n if (crossOrigin) {\n img.crossOrigin = crossOrigin;\n }\n img.src = url;\n img.alt = alt;\n\n /**\n * Override img element styles\n * Add `display:block` to avoid margin top issue\n * Add `height:auto` to override `height` attribute on IE8\n * (Occur only when margin-top <= -height)\n */\n img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;\"';\n el.innerHTML = '';\n el.appendChild(img);\n });\n },\n resetPreview: function resetPreview() {\n forEach(this.previews, function (element) {\n var data = getData(element, DATA_PREVIEW);\n setStyle(element, {\n width: data.width,\n height: data.height\n });\n element.innerHTML = data.html;\n removeData(element, DATA_PREVIEW);\n });\n },\n preview: function preview() {\n var imageData = this.imageData,\n canvasData = this.canvasData,\n cropBoxData = this.cropBoxData;\n var cropBoxWidth = cropBoxData.width,\n cropBoxHeight = cropBoxData.height;\n var width = imageData.width,\n height = imageData.height;\n var left = cropBoxData.left - canvasData.left - imageData.left;\n var top = cropBoxData.top - canvasData.top - imageData.top;\n if (!this.cropped || this.disabled) {\n return;\n }\n setStyle(this.viewBoxImage, assign({\n width: width,\n height: height\n }, getTransforms(assign({\n translateX: -left,\n translateY: -top\n }, imageData))));\n forEach(this.previews, function (element) {\n var data = getData(element, DATA_PREVIEW);\n var originalWidth = data.width;\n var originalHeight = data.height;\n var newWidth = originalWidth;\n var newHeight = originalHeight;\n var ratio = 1;\n if (cropBoxWidth) {\n ratio = originalWidth / cropBoxWidth;\n newHeight = cropBoxHeight * ratio;\n }\n if (cropBoxHeight && newHeight > originalHeight) {\n ratio = originalHeight / cropBoxHeight;\n newWidth = cropBoxWidth * ratio;\n newHeight = originalHeight;\n }\n setStyle(element, {\n width: newWidth,\n height: newHeight\n });\n setStyle(element.getElementsByTagName('img')[0], assign({\n width: width * ratio,\n height: height * ratio\n }, getTransforms(assign({\n translateX: -left * ratio,\n translateY: -top * ratio\n }, imageData))));\n });\n }\n };\n\n var events = {\n bind: function bind() {\n var element = this.element,\n options = this.options,\n cropper = this.cropper;\n if (isFunction(options.cropstart)) {\n addListener(element, EVENT_CROP_START, options.cropstart);\n }\n if (isFunction(options.cropmove)) {\n addListener(element, EVENT_CROP_MOVE, options.cropmove);\n }\n if (isFunction(options.cropend)) {\n addListener(element, EVENT_CROP_END, options.cropend);\n }\n if (isFunction(options.crop)) {\n addListener(element, EVENT_CROP, options.crop);\n }\n if (isFunction(options.zoom)) {\n addListener(element, EVENT_ZOOM, options.zoom);\n }\n addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this));\n if (options.zoomable && options.zoomOnWheel) {\n addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this), {\n passive: false,\n capture: true\n });\n }\n if (options.toggleDragModeOnDblclick) {\n addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this));\n }\n addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this));\n addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this));\n if (options.responsive) {\n addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this));\n }\n },\n unbind: function unbind() {\n var element = this.element,\n options = this.options,\n cropper = this.cropper;\n if (isFunction(options.cropstart)) {\n removeListener(element, EVENT_CROP_START, options.cropstart);\n }\n if (isFunction(options.cropmove)) {\n removeListener(element, EVENT_CROP_MOVE, options.cropmove);\n }\n if (isFunction(options.cropend)) {\n removeListener(element, EVENT_CROP_END, options.cropend);\n }\n if (isFunction(options.crop)) {\n removeListener(element, EVENT_CROP, options.crop);\n }\n if (isFunction(options.zoom)) {\n removeListener(element, EVENT_ZOOM, options.zoom);\n }\n removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart);\n if (options.zoomable && options.zoomOnWheel) {\n removeListener(cropper, EVENT_WHEEL, this.onWheel, {\n passive: false,\n capture: true\n });\n }\n if (options.toggleDragModeOnDblclick) {\n removeListener(cropper, EVENT_DBLCLICK, this.onDblclick);\n }\n removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove);\n removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd);\n if (options.responsive) {\n removeListener(window, EVENT_RESIZE, this.onResize);\n }\n }\n };\n\n var handlers = {\n resize: function resize() {\n if (this.disabled) {\n return;\n }\n var options = this.options,\n container = this.container,\n containerData = this.containerData;\n var ratioX = container.offsetWidth / containerData.width;\n var ratioY = container.offsetHeight / containerData.height;\n var ratio = Math.abs(ratioX - 1) > Math.abs(ratioY - 1) ? ratioX : ratioY;\n\n // Resize when width changed or height changed\n if (ratio !== 1) {\n var canvasData;\n var cropBoxData;\n if (options.restore) {\n canvasData = this.getCanvasData();\n cropBoxData = this.getCropBoxData();\n }\n this.render();\n if (options.restore) {\n this.setCanvasData(forEach(canvasData, function (n, i) {\n canvasData[i] = n * ratio;\n }));\n this.setCropBoxData(forEach(cropBoxData, function (n, i) {\n cropBoxData[i] = n * ratio;\n }));\n }\n }\n },\n dblclick: function dblclick() {\n if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {\n return;\n }\n this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);\n },\n wheel: function wheel(event) {\n var _this = this;\n var ratio = Number(this.options.wheelZoomRatio) || 0.1;\n var delta = 1;\n if (this.disabled) {\n return;\n }\n event.preventDefault();\n\n // Limit wheel speed to prevent zoom too fast (#21)\n if (this.wheeling) {\n return;\n }\n this.wheeling = true;\n setTimeout(function () {\n _this.wheeling = false;\n }, 50);\n if (event.deltaY) {\n delta = event.deltaY > 0 ? 1 : -1;\n } else if (event.wheelDelta) {\n delta = -event.wheelDelta / 120;\n } else if (event.detail) {\n delta = event.detail > 0 ? 1 : -1;\n }\n this.zoom(-delta * ratio, event);\n },\n cropStart: function cropStart(event) {\n var buttons = event.buttons,\n button = event.button;\n if (this.disabled\n\n // Handle mouse event and pointer event and ignore touch event\n || (event.type === 'mousedown' || event.type === 'pointerdown' && event.pointerType === 'mouse') && (\n // No primary button (Usually the left button)\n isNumber(buttons) && buttons !== 1 || isNumber(button) && button !== 0\n\n // Open context menu\n || event.ctrlKey)) {\n return;\n }\n var options = this.options,\n pointers = this.pointers;\n var action;\n if (event.changedTouches) {\n // Handle touch event\n forEach(event.changedTouches, function (touch) {\n pointers[touch.identifier] = getPointer(touch);\n });\n } else {\n // Handle mouse event and pointer event\n pointers[event.pointerId || 0] = getPointer(event);\n }\n if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {\n action = ACTION_ZOOM;\n } else {\n action = getData(event.target, DATA_ACTION);\n }\n if (!REGEXP_ACTIONS.test(action)) {\n return;\n }\n if (dispatchEvent(this.element, EVENT_CROP_START, {\n originalEvent: event,\n action: action\n }) === false) {\n return;\n }\n\n // This line is required for preventing page zooming in iOS browsers\n event.preventDefault();\n this.action = action;\n this.cropping = false;\n if (action === ACTION_CROP) {\n this.cropping = true;\n addClass(this.dragBox, CLASS_MODAL);\n }\n },\n cropMove: function cropMove(event) {\n var action = this.action;\n if (this.disabled || !action) {\n return;\n }\n var pointers = this.pointers;\n event.preventDefault();\n if (dispatchEvent(this.element, EVENT_CROP_MOVE, {\n originalEvent: event,\n action: action\n }) === false) {\n return;\n }\n if (event.changedTouches) {\n forEach(event.changedTouches, function (touch) {\n // The first parameter should not be undefined (#432)\n assign(pointers[touch.identifier] || {}, getPointer(touch, true));\n });\n } else {\n assign(pointers[event.pointerId || 0] || {}, getPointer(event, true));\n }\n this.change(event);\n },\n cropEnd: function cropEnd(event) {\n if (this.disabled) {\n return;\n }\n var action = this.action,\n pointers = this.pointers;\n if (event.changedTouches) {\n forEach(event.changedTouches, function (touch) {\n delete pointers[touch.identifier];\n });\n } else {\n delete pointers[event.pointerId || 0];\n }\n if (!action) {\n return;\n }\n event.preventDefault();\n if (!Object.keys(pointers).length) {\n this.action = '';\n }\n if (this.cropping) {\n this.cropping = false;\n toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal);\n }\n dispatchEvent(this.element, EVENT_CROP_END, {\n originalEvent: event,\n action: action\n });\n }\n };\n\n var change = {\n change: function change(event) {\n var options = this.options,\n canvasData = this.canvasData,\n containerData = this.containerData,\n cropBoxData = this.cropBoxData,\n pointers = this.pointers;\n var action = this.action;\n var aspectRatio = options.aspectRatio;\n var left = cropBoxData.left,\n top = cropBoxData.top,\n width = cropBoxData.width,\n height = cropBoxData.height;\n var right = left + width;\n var bottom = top + height;\n var minLeft = 0;\n var minTop = 0;\n var maxWidth = containerData.width;\n var maxHeight = containerData.height;\n var renderable = true;\n var offset;\n\n // Locking aspect ratio in \"free mode\" by holding shift key\n if (!aspectRatio && event.shiftKey) {\n aspectRatio = width && height ? width / height : 1;\n }\n if (this.limited) {\n minLeft = cropBoxData.minLeft;\n minTop = cropBoxData.minTop;\n maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width);\n maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height);\n }\n var pointer = pointers[Object.keys(pointers)[0]];\n var range = {\n x: pointer.endX - pointer.startX,\n y: pointer.endY - pointer.startY\n };\n var check = function check(side) {\n switch (side) {\n case ACTION_EAST:\n if (right + range.x > maxWidth) {\n range.x = maxWidth - right;\n }\n break;\n case ACTION_WEST:\n if (left + range.x < minLeft) {\n range.x = minLeft - left;\n }\n break;\n case ACTION_NORTH:\n if (top + range.y < minTop) {\n range.y = minTop - top;\n }\n break;\n case ACTION_SOUTH:\n if (bottom + range.y > maxHeight) {\n range.y = maxHeight - bottom;\n }\n break;\n }\n };\n switch (action) {\n // Move crop box\n case ACTION_ALL:\n left += range.x;\n top += range.y;\n break;\n\n // Resize crop box\n case ACTION_EAST:\n if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {\n renderable = false;\n break;\n }\n check(ACTION_EAST);\n width += range.x;\n if (width < 0) {\n action = ACTION_WEST;\n width = -width;\n left -= width;\n }\n if (aspectRatio) {\n height = width / aspectRatio;\n top += (cropBoxData.height - height) / 2;\n }\n break;\n case ACTION_NORTH:\n if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {\n renderable = false;\n break;\n }\n check(ACTION_NORTH);\n height -= range.y;\n top += range.y;\n if (height < 0) {\n action = ACTION_SOUTH;\n height = -height;\n top -= height;\n }\n if (aspectRatio) {\n width = height * aspectRatio;\n left += (cropBoxData.width - width) / 2;\n }\n break;\n case ACTION_WEST:\n if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {\n renderable = false;\n break;\n }\n check(ACTION_WEST);\n width -= range.x;\n left += range.x;\n if (width < 0) {\n action = ACTION_EAST;\n width = -width;\n left -= width;\n }\n if (aspectRatio) {\n height = width / aspectRatio;\n top += (cropBoxData.height - height) / 2;\n }\n break;\n case ACTION_SOUTH:\n if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {\n renderable = false;\n break;\n }\n check(ACTION_SOUTH);\n height += range.y;\n if (height < 0) {\n action = ACTION_NORTH;\n height = -height;\n top -= height;\n }\n if (aspectRatio) {\n width = height * aspectRatio;\n left += (cropBoxData.width - width) / 2;\n }\n break;\n case ACTION_NORTH_EAST:\n if (aspectRatio) {\n if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {\n renderable = false;\n break;\n }\n check(ACTION_NORTH);\n height -= range.y;\n top += range.y;\n width = height * aspectRatio;\n } else {\n check(ACTION_NORTH);\n check(ACTION_EAST);\n if (range.x >= 0) {\n if (right < maxWidth) {\n width += range.x;\n } else if (range.y <= 0 && top <= minTop) {\n renderable = false;\n }\n } else {\n width += range.x;\n }\n if (range.y <= 0) {\n if (top > minTop) {\n height -= range.y;\n top += range.y;\n }\n } else {\n height -= range.y;\n top += range.y;\n }\n }\n if (width < 0 && height < 0) {\n action = ACTION_SOUTH_WEST;\n height = -height;\n width = -width;\n top -= height;\n left -= width;\n } else if (width < 0) {\n action = ACTION_NORTH_WEST;\n width = -width;\n left -= width;\n } else if (height < 0) {\n action = ACTION_SOUTH_EAST;\n height = -height;\n top -= height;\n }\n break;\n case ACTION_NORTH_WEST:\n if (aspectRatio) {\n if (range.y <= 0 && (top <= minTop || left <= minLeft)) {\n renderable = false;\n break;\n }\n check(ACTION_NORTH);\n height -= range.y;\n top += range.y;\n width = height * aspectRatio;\n left += cropBoxData.width - width;\n } else {\n check(ACTION_NORTH);\n check(ACTION_WEST);\n if (range.x <= 0) {\n if (left > minLeft) {\n width -= range.x;\n left += range.x;\n } else if (range.y <= 0 && top <= minTop) {\n renderable = false;\n }\n } else {\n width -= range.x;\n left += range.x;\n }\n if (range.y <= 0) {\n if (top > minTop) {\n height -= range.y;\n top += range.y;\n }\n } else {\n height -= range.y;\n top += range.y;\n }\n }\n if (width < 0 && height < 0) {\n action = ACTION_SOUTH_EAST;\n height = -height;\n width = -width;\n top -= height;\n left -= width;\n } else if (width < 0) {\n action = ACTION_NORTH_EAST;\n width = -width;\n left -= width;\n } else if (height < 0) {\n action = ACTION_SOUTH_WEST;\n height = -height;\n top -= height;\n }\n break;\n case ACTION_SOUTH_WEST:\n if (aspectRatio) {\n if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {\n renderable = false;\n break;\n }\n check(ACTION_WEST);\n width -= range.x;\n left += range.x;\n height = width / aspectRatio;\n } else {\n check(ACTION_SOUTH);\n check(ACTION_WEST);\n if (range.x <= 0) {\n if (left > minLeft) {\n width -= range.x;\n left += range.x;\n } else if (range.y >= 0 && bottom >= maxHeight) {\n renderable = false;\n }\n } else {\n width -= range.x;\n left += range.x;\n }\n if (range.y >= 0) {\n if (bottom < maxHeight) {\n height += range.y;\n }\n } else {\n height += range.y;\n }\n }\n if (width < 0 && height < 0) {\n action = ACTION_NORTH_EAST;\n height = -height;\n width = -width;\n top -= height;\n left -= width;\n } else if (width < 0) {\n action = ACTION_SOUTH_EAST;\n width = -width;\n left -= width;\n } else if (height < 0) {\n action = ACTION_NORTH_WEST;\n height = -height;\n top -= height;\n }\n break;\n case ACTION_SOUTH_EAST:\n if (aspectRatio) {\n if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {\n renderable = false;\n break;\n }\n check(ACTION_EAST);\n width += range.x;\n height = width / aspectRatio;\n } else {\n check(ACTION_SOUTH);\n check(ACTION_EAST);\n if (range.x >= 0) {\n if (right < maxWidth) {\n width += range.x;\n } else if (range.y >= 0 && bottom >= maxHeight) {\n renderable = false;\n }\n } else {\n width += range.x;\n }\n if (range.y >= 0) {\n if (bottom < maxHeight) {\n height += range.y;\n }\n } else {\n height += range.y;\n }\n }\n if (width < 0 && height < 0) {\n action = ACTION_NORTH_WEST;\n height = -height;\n width = -width;\n top -= height;\n left -= width;\n } else if (width < 0) {\n action = ACTION_SOUTH_WEST;\n width = -width;\n left -= width;\n } else if (height < 0) {\n action = ACTION_NORTH_EAST;\n height = -height;\n top -= height;\n }\n break;\n\n // Move canvas\n case ACTION_MOVE:\n this.move(range.x, range.y);\n renderable = false;\n break;\n\n // Zoom canvas\n case ACTION_ZOOM:\n this.zoom(getMaxZoomRatio(pointers), event);\n renderable = false;\n break;\n\n // Create crop box\n case ACTION_CROP:\n if (!range.x || !range.y) {\n renderable = false;\n break;\n }\n offset = getOffset(this.cropper);\n left = pointer.startX - offset.left;\n top = pointer.startY - offset.top;\n width = cropBoxData.minWidth;\n height = cropBoxData.minHeight;\n if (range.x > 0) {\n action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;\n } else if (range.x < 0) {\n left -= width;\n action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;\n }\n if (range.y < 0) {\n top -= height;\n }\n\n // Show the crop box if is hidden\n if (!this.cropped) {\n removeClass(this.cropBox, CLASS_HIDDEN);\n this.cropped = true;\n if (this.limited) {\n this.limitCropBox(true, true);\n }\n }\n break;\n }\n if (renderable) {\n cropBoxData.width = width;\n cropBoxData.height = height;\n cropBoxData.left = left;\n cropBoxData.top = top;\n this.action = action;\n this.renderCropBox();\n }\n\n // Override\n forEach(pointers, function (p) {\n p.startX = p.endX;\n p.startY = p.endY;\n });\n }\n };\n\n var methods = {\n // Show the crop box manually\n crop: function crop() {\n if (this.ready && !this.cropped && !this.disabled) {\n this.cropped = true;\n this.limitCropBox(true, true);\n if (this.options.modal) {\n addClass(this.dragBox, CLASS_MODAL);\n }\n removeClass(this.cropBox, CLASS_HIDDEN);\n this.setCropBoxData(this.initialCropBoxData);\n }\n return this;\n },\n // Reset the image and crop box to their initial states\n reset: function reset() {\n if (this.ready && !this.disabled) {\n this.imageData = assign({}, this.initialImageData);\n this.canvasData = assign({}, this.initialCanvasData);\n this.cropBoxData = assign({}, this.initialCropBoxData);\n this.renderCanvas();\n if (this.cropped) {\n this.renderCropBox();\n }\n }\n return this;\n },\n // Clear the crop box\n clear: function clear() {\n if (this.cropped && !this.disabled) {\n assign(this.cropBoxData, {\n left: 0,\n top: 0,\n width: 0,\n height: 0\n });\n this.cropped = false;\n this.renderCropBox();\n this.limitCanvas(true, true);\n\n // Render canvas after crop box rendered\n this.renderCanvas();\n removeClass(this.dragBox, CLASS_MODAL);\n addClass(this.cropBox, CLASS_HIDDEN);\n }\n return this;\n },\n /**\n * Replace the image's src and rebuild the cropper\n * @param {string} url - The new URL.\n * @param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one.\n * @returns {Cropper} this\n */\n replace: function replace(url) {\n var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n if (!this.disabled && url) {\n if (this.isImg) {\n this.element.src = url;\n }\n if (hasSameSize) {\n this.url = url;\n this.image.src = url;\n if (this.ready) {\n this.viewBoxImage.src = url;\n forEach(this.previews, function (element) {\n element.getElementsByTagName('img')[0].src = url;\n });\n }\n } else {\n if (this.isImg) {\n this.replaced = true;\n }\n this.options.data = null;\n this.uncreate();\n this.load(url);\n }\n }\n return this;\n },\n // Enable (unfreeze) the cropper\n enable: function enable() {\n if (this.ready && this.disabled) {\n this.disabled = false;\n removeClass(this.cropper, CLASS_DISABLED);\n }\n return this;\n },\n // Disable (freeze) the cropper\n disable: function disable() {\n if (this.ready && !this.disabled) {\n this.disabled = true;\n addClass(this.cropper, CLASS_DISABLED);\n }\n return this;\n },\n /**\n * Destroy the cropper and remove the instance from the image\n * @returns {Cropper} this\n */\n destroy: function destroy() {\n var element = this.element;\n if (!element[NAMESPACE]) {\n return this;\n }\n element[NAMESPACE] = undefined;\n if (this.isImg && this.replaced) {\n element.src = this.originalUrl;\n }\n this.uncreate();\n return this;\n },\n /**\n * Move the canvas with relative offsets\n * @param {number} offsetX - The relative offset distance on the x-axis.\n * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis.\n * @returns {Cropper} this\n */\n move: function move(offsetX) {\n var offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX;\n var _this$canvasData = this.canvasData,\n left = _this$canvasData.left,\n top = _this$canvasData.top;\n return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));\n },\n /**\n * Move the canvas to an absolute point\n * @param {number} x - The x-axis coordinate.\n * @param {number} [y=x] - The y-axis coordinate.\n * @returns {Cropper} this\n */\n moveTo: function moveTo(x) {\n var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;\n var canvasData = this.canvasData;\n var changed = false;\n x = Number(x);\n y = Number(y);\n if (this.ready && !this.disabled && this.options.movable) {\n if (isNumber(x)) {\n canvasData.left = x;\n changed = true;\n }\n if (isNumber(y)) {\n canvasData.top = y;\n changed = true;\n }\n if (changed) {\n this.renderCanvas(true);\n }\n }\n return this;\n },\n /**\n * Zoom the canvas with a relative ratio\n * @param {number} ratio - The target ratio.\n * @param {Event} _originalEvent - The original event if any.\n * @returns {Cropper} this\n */\n zoom: function zoom(ratio, _originalEvent) {\n var canvasData = this.canvasData;\n ratio = Number(ratio);\n if (ratio < 0) {\n ratio = 1 / (1 - ratio);\n } else {\n ratio = 1 + ratio;\n }\n return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent);\n },\n /**\n * Zoom the canvas to an absolute ratio\n * @param {number} ratio - The target ratio.\n * @param {Object} pivot - The zoom pivot point coordinate.\n * @param {Event} _originalEvent - The original event if any.\n * @returns {Cropper} this\n */\n zoomTo: function zoomTo(ratio, pivot, _originalEvent) {\n var options = this.options,\n canvasData = this.canvasData;\n var width = canvasData.width,\n height = canvasData.height,\n naturalWidth = canvasData.naturalWidth,\n naturalHeight = canvasData.naturalHeight;\n ratio = Number(ratio);\n if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {\n var newWidth = naturalWidth * ratio;\n var newHeight = naturalHeight * ratio;\n if (dispatchEvent(this.element, EVENT_ZOOM, {\n ratio: ratio,\n oldRatio: width / naturalWidth,\n originalEvent: _originalEvent\n }) === false) {\n return this;\n }\n if (_originalEvent) {\n var pointers = this.pointers;\n var offset = getOffset(this.cropper);\n var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {\n pageX: _originalEvent.pageX,\n pageY: _originalEvent.pageY\n };\n\n // Zoom from the triggering point of the event\n canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width);\n canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height);\n } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {\n canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width);\n canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height);\n } else {\n // Zoom from the center of the canvas\n canvasData.left -= (newWidth - width) / 2;\n canvasData.top -= (newHeight - height) / 2;\n }\n canvasData.width = newWidth;\n canvasData.height = newHeight;\n this.renderCanvas(true);\n }\n return this;\n },\n /**\n * Rotate the canvas with a relative degree\n * @param {number} degree - The rotate degree.\n * @returns {Cropper} this\n */\n rotate: function rotate(degree) {\n return this.rotateTo((this.imageData.rotate || 0) + Number(degree));\n },\n /**\n * Rotate the canvas to an absolute degree\n * @param {number} degree - The rotate degree.\n * @returns {Cropper} this\n */\n rotateTo: function rotateTo(degree) {\n degree = Number(degree);\n if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {\n this.imageData.rotate = degree % 360;\n this.renderCanvas(true, true);\n }\n return this;\n },\n /**\n * Scale the image on the x-axis.\n * @param {number} scaleX - The scale ratio on the x-axis.\n * @returns {Cropper} this\n */\n scaleX: function scaleX(_scaleX) {\n var scaleY = this.imageData.scaleY;\n return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);\n },\n /**\n * Scale the image on the y-axis.\n * @param {number} scaleY - The scale ratio on the y-axis.\n * @returns {Cropper} this\n */\n scaleY: function scaleY(_scaleY) {\n var scaleX = this.imageData.scaleX;\n return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);\n },\n /**\n * Scale the image\n * @param {number} scaleX - The scale ratio on the x-axis.\n * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.\n * @returns {Cropper} this\n */\n scale: function scale(scaleX) {\n var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;\n var imageData = this.imageData;\n var transformed = false;\n scaleX = Number(scaleX);\n scaleY = Number(scaleY);\n if (this.ready && !this.disabled && this.options.scalable) {\n if (isNumber(scaleX)) {\n imageData.scaleX = scaleX;\n transformed = true;\n }\n if (isNumber(scaleY)) {\n imageData.scaleY = scaleY;\n transformed = true;\n }\n if (transformed) {\n this.renderCanvas(true, true);\n }\n }\n return this;\n },\n /**\n * Get the cropped area position and size data (base on the original image)\n * @param {boolean} [rounded=false] - Indicate if round the data values or not.\n * @returns {Object} The result cropped data.\n */\n getData: function getData() {\n var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n var options = this.options,\n imageData = this.imageData,\n canvasData = this.canvasData,\n cropBoxData = this.cropBoxData;\n var data;\n if (this.ready && this.cropped) {\n data = {\n x: cropBoxData.left - canvasData.left,\n y: cropBoxData.top - canvasData.top,\n width: cropBoxData.width,\n height: cropBoxData.height\n };\n var ratio = imageData.width / imageData.naturalWidth;\n forEach(data, function (n, i) {\n data[i] = n / ratio;\n });\n if (rounded) {\n // In case rounding off leads to extra 1px in right or bottom border\n // we should round the top-left corner and the dimension (#343).\n var bottom = Math.round(data.y + data.height);\n var right = Math.round(data.x + data.width);\n data.x = Math.round(data.x);\n data.y = Math.round(data.y);\n data.width = right - data.x;\n data.height = bottom - data.y;\n }\n } else {\n data = {\n x: 0,\n y: 0,\n width: 0,\n height: 0\n };\n }\n if (options.rotatable) {\n data.rotate = imageData.rotate || 0;\n }\n if (options.scalable) {\n data.scaleX = imageData.scaleX || 1;\n data.scaleY = imageData.scaleY || 1;\n }\n return data;\n },\n /**\n * Set the cropped area position and size with new data\n * @param {Object} data - The new data.\n * @returns {Cropper} this\n */\n setData: function setData(data) {\n var options = this.options,\n imageData = this.imageData,\n canvasData = this.canvasData;\n var cropBoxData = {};\n if (this.ready && !this.disabled && isPlainObject(data)) {\n var transformed = false;\n if (options.rotatable) {\n if (isNumber(data.rotate) && data.rotate !== imageData.rotate) {\n imageData.rotate = data.rotate;\n transformed = true;\n }\n }\n if (options.scalable) {\n if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) {\n imageData.scaleX = data.scaleX;\n transformed = true;\n }\n if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) {\n imageData.scaleY = data.scaleY;\n transformed = true;\n }\n }\n if (transformed) {\n this.renderCanvas(true, true);\n }\n var ratio = imageData.width / imageData.naturalWidth;\n if (isNumber(data.x)) {\n cropBoxData.left = data.x * ratio + canvasData.left;\n }\n if (isNumber(data.y)) {\n cropBoxData.top = data.y * ratio + canvasData.top;\n }\n if (isNumber(data.width)) {\n cropBoxData.width = data.width * ratio;\n }\n if (isNumber(data.height)) {\n cropBoxData.height = data.height * ratio;\n }\n this.setCropBoxData(cropBoxData);\n }\n return this;\n },\n /**\n * Get the container size data.\n * @returns {Object} The result container data.\n */\n getContainerData: function getContainerData() {\n return this.ready ? assign({}, this.containerData) : {};\n },\n /**\n * Get the image position and size data.\n * @returns {Object} The result image data.\n */\n getImageData: function getImageData() {\n return this.sized ? assign({}, this.imageData) : {};\n },\n /**\n * Get the canvas position and size data.\n * @returns {Object} The result canvas data.\n */\n getCanvasData: function getCanvasData() {\n var canvasData = this.canvasData;\n var data = {};\n if (this.ready) {\n forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) {\n data[n] = canvasData[n];\n });\n }\n return data;\n },\n /**\n * Set the canvas position and size with new data.\n * @param {Object} data - The new canvas data.\n * @returns {Cropper} this\n */\n setCanvasData: function setCanvasData(data) {\n var canvasData = this.canvasData;\n var aspectRatio = canvasData.aspectRatio;\n if (this.ready && !this.disabled && isPlainObject(data)) {\n if (isNumber(data.left)) {\n canvasData.left = data.left;\n }\n if (isNumber(data.top)) {\n canvasData.top = data.top;\n }\n if (isNumber(data.width)) {\n canvasData.width = data.width;\n canvasData.height = data.width / aspectRatio;\n } else if (isNumber(data.height)) {\n canvasData.height = data.height;\n canvasData.width = data.height * aspectRatio;\n }\n this.renderCanvas(true);\n }\n return this;\n },\n /**\n * Get the crop box position and size data.\n * @returns {Object} The result crop box data.\n */\n getCropBoxData: function getCropBoxData() {\n var cropBoxData = this.cropBoxData;\n var data;\n if (this.ready && this.cropped) {\n data = {\n left: cropBoxData.left,\n top: cropBoxData.top,\n width: cropBoxData.width,\n height: cropBoxData.height\n };\n }\n return data || {};\n },\n /**\n * Set the crop box position and size with new data.\n * @param {Object} data - The new crop box data.\n * @returns {Cropper} this\n */\n setCropBoxData: function setCropBoxData(data) {\n var cropBoxData = this.cropBoxData;\n var aspectRatio = this.options.aspectRatio;\n var widthChanged;\n var heightChanged;\n if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {\n if (isNumber(data.left)) {\n cropBoxData.left = data.left;\n }\n if (isNumber(data.top)) {\n cropBoxData.top = data.top;\n }\n if (isNumber(data.width) && data.width !== cropBoxData.width) {\n widthChanged = true;\n cropBoxData.width = data.width;\n }\n if (isNumber(data.height) && data.height !== cropBoxData.height) {\n heightChanged = true;\n cropBoxData.height = data.height;\n }\n if (aspectRatio) {\n if (widthChanged) {\n cropBoxData.height = cropBoxData.width / aspectRatio;\n } else if (heightChanged) {\n cropBoxData.width = cropBoxData.height * aspectRatio;\n }\n }\n this.renderCropBox();\n }\n return this;\n },\n /**\n * Get a canvas drawn the cropped image.\n * @param {Object} [options={}] - The config options.\n * @returns {HTMLCanvasElement} - The result canvas.\n */\n getCroppedCanvas: function getCroppedCanvas() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n if (!this.ready || !window.HTMLCanvasElement) {\n return null;\n }\n var canvasData = this.canvasData;\n var source = getSourceCanvas(this.image, this.imageData, canvasData, options);\n\n // Returns the source canvas if it is not cropped.\n if (!this.cropped) {\n return source;\n }\n var _this$getData = this.getData(options.rounded),\n initialX = _this$getData.x,\n initialY = _this$getData.y,\n initialWidth = _this$getData.width,\n initialHeight = _this$getData.height;\n var ratio = source.width / Math.floor(canvasData.naturalWidth);\n if (ratio !== 1) {\n initialX *= ratio;\n initialY *= ratio;\n initialWidth *= ratio;\n initialHeight *= ratio;\n }\n var aspectRatio = initialWidth / initialHeight;\n var maxSizes = getAdjustedSizes({\n aspectRatio: aspectRatio,\n width: options.maxWidth || Infinity,\n height: options.maxHeight || Infinity\n });\n var minSizes = getAdjustedSizes({\n aspectRatio: aspectRatio,\n width: options.minWidth || 0,\n height: options.minHeight || 0\n }, 'cover');\n var _getAdjustedSizes = getAdjustedSizes({\n aspectRatio: aspectRatio,\n width: options.width || (ratio !== 1 ? source.width : initialWidth),\n height: options.height || (ratio !== 1 ? source.height : initialHeight)\n }),\n width = _getAdjustedSizes.width,\n height = _getAdjustedSizes.height;\n width = Math.min(maxSizes.width, Math.max(minSizes.width, width));\n height = Math.min(maxSizes.height, Math.max(minSizes.height, height));\n var canvas = document.createElement('canvas');\n var context = canvas.getContext('2d');\n canvas.width = normalizeDecimalNumber(width);\n canvas.height = normalizeDecimalNumber(height);\n context.fillStyle = options.fillColor || 'transparent';\n context.fillRect(0, 0, width, height);\n var _options$imageSmoothi = options.imageSmoothingEnabled,\n imageSmoothingEnabled = _options$imageSmoothi === void 0 ? true : _options$imageSmoothi,\n imageSmoothingQuality = options.imageSmoothingQuality;\n context.imageSmoothingEnabled = imageSmoothingEnabled;\n if (imageSmoothingQuality) {\n context.imageSmoothingQuality = imageSmoothingQuality;\n }\n\n // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage\n var sourceWidth = source.width;\n var sourceHeight = source.height;\n\n // Source canvas parameters\n var srcX = initialX;\n var srcY = initialY;\n var srcWidth;\n var srcHeight;\n\n // Destination canvas parameters\n var dstX;\n var dstY;\n var dstWidth;\n var dstHeight;\n if (srcX <= -initialWidth || srcX > sourceWidth) {\n srcX = 0;\n srcWidth = 0;\n dstX = 0;\n dstWidth = 0;\n } else if (srcX <= 0) {\n dstX = -srcX;\n srcX = 0;\n srcWidth = Math.min(sourceWidth, initialWidth + srcX);\n dstWidth = srcWidth;\n } else if (srcX <= sourceWidth) {\n dstX = 0;\n srcWidth = Math.min(initialWidth, sourceWidth - srcX);\n dstWidth = srcWidth;\n }\n if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {\n srcY = 0;\n srcHeight = 0;\n dstY = 0;\n dstHeight = 0;\n } else if (srcY <= 0) {\n dstY = -srcY;\n srcY = 0;\n srcHeight = Math.min(sourceHeight, initialHeight + srcY);\n dstHeight = srcHeight;\n } else if (srcY <= sourceHeight) {\n dstY = 0;\n srcHeight = Math.min(initialHeight, sourceHeight - srcY);\n dstHeight = srcHeight;\n }\n var params = [srcX, srcY, srcWidth, srcHeight];\n\n // Avoid \"IndexSizeError\"\n if (dstWidth > 0 && dstHeight > 0) {\n var scale = width / initialWidth;\n params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);\n }\n\n // All the numerical parameters should be integer for `drawImage`\n // https://github.com/fengyuanchen/cropper/issues/476\n context.drawImage.apply(context, [source].concat(_toConsumableArray(params.map(function (param) {\n return Math.floor(normalizeDecimalNumber(param));\n }))));\n return canvas;\n },\n /**\n * Change the aspect ratio of the crop box.\n * @param {number} aspectRatio - The new aspect ratio.\n * @returns {Cropper} this\n */\n setAspectRatio: function setAspectRatio(aspectRatio) {\n var options = this.options;\n if (!this.disabled && !isUndefined(aspectRatio)) {\n // 0 -> NaN\n options.aspectRatio = Math.max(0, aspectRatio) || NaN;\n if (this.ready) {\n this.initCropBox();\n if (this.cropped) {\n this.renderCropBox();\n }\n }\n }\n return this;\n },\n /**\n * Change the drag mode.\n * @param {string} mode - The new drag mode.\n * @returns {Cropper} this\n */\n setDragMode: function setDragMode(mode) {\n var options = this.options,\n dragBox = this.dragBox,\n face = this.face;\n if (this.ready && !this.disabled) {\n var croppable = mode === DRAG_MODE_CROP;\n var movable = options.movable && mode === DRAG_MODE_MOVE;\n mode = croppable || movable ? mode : DRAG_MODE_NONE;\n options.dragMode = mode;\n setData(dragBox, DATA_ACTION, mode);\n toggleClass(dragBox, CLASS_CROP, croppable);\n toggleClass(dragBox, CLASS_MOVE, movable);\n if (!options.cropBoxMovable) {\n // Sync drag mode to crop box when it is not movable\n setData(face, DATA_ACTION, mode);\n toggleClass(face, CLASS_CROP, croppable);\n toggleClass(face, CLASS_MOVE, movable);\n }\n }\n return this;\n }\n };\n\n var AnotherCropper = WINDOW.Cropper;\n var Cropper = /*#__PURE__*/function () {\n /**\n * Create a new Cropper.\n * @param {Element} element - The target element for cropping.\n * @param {Object} [options={}] - The configuration options.\n */\n function Cropper(element) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n _classCallCheck(this, Cropper);\n if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {\n throw new Error('The first argument is required and must be an or element.');\n }\n this.element = element;\n this.options = assign({}, DEFAULTS, isPlainObject(options) && options);\n this.cropped = false;\n this.disabled = false;\n this.pointers = {};\n this.ready = false;\n this.reloading = false;\n this.replaced = false;\n this.sized = false;\n this.sizing = false;\n this.init();\n }\n return _createClass(Cropper, [{\n key: \"init\",\n value: function init() {\n var element = this.element;\n var tagName = element.tagName.toLowerCase();\n var url;\n if (element[NAMESPACE]) {\n return;\n }\n element[NAMESPACE] = this;\n if (tagName === 'img') {\n this.isImg = true;\n\n // e.g.: \"img/picture.jpg\"\n url = element.getAttribute('src') || '';\n this.originalUrl = url;\n\n // Stop when it's a blank image\n if (!url) {\n return;\n }\n\n // e.g.: \"https://example.com/img/picture.jpg\"\n url = element.src;\n } else if (tagName === 'canvas' && window.HTMLCanvasElement) {\n url = element.toDataURL();\n }\n this.load(url);\n }\n }, {\n key: \"load\",\n value: function load(url) {\n var _this = this;\n if (!url) {\n return;\n }\n this.url = url;\n this.imageData = {};\n var element = this.element,\n options = this.options;\n if (!options.rotatable && !options.scalable) {\n options.checkOrientation = false;\n }\n\n // Only IE10+ supports Typed Arrays\n if (!options.checkOrientation || !window.ArrayBuffer) {\n this.clone();\n return;\n }\n\n // Detect the mime type of the image directly if it is a Data URL\n if (REGEXP_DATA_URL.test(url)) {\n // Read ArrayBuffer from Data URL of JPEG images directly for better performance\n if (REGEXP_DATA_URL_JPEG.test(url)) {\n this.read(dataURLToArrayBuffer(url));\n } else {\n // Only a JPEG image may contains Exif Orientation information,\n // the rest types of Data URLs are not necessary to check orientation at all.\n this.clone();\n }\n return;\n }\n\n // 1. Detect the mime type of the image by a XMLHttpRequest.\n // 2. Load the image as ArrayBuffer for reading orientation if its a JPEG image.\n var xhr = new XMLHttpRequest();\n var clone = this.clone.bind(this);\n this.reloading = true;\n this.xhr = xhr;\n\n // 1. Cross origin requests are only supported for protocol schemes:\n // http, https, data, chrome, chrome-extension.\n // 2. Access to XMLHttpRequest from a Data URL will be blocked by CORS policy\n // in some browsers as IE11 and Safari.\n xhr.onabort = clone;\n xhr.onerror = clone;\n xhr.ontimeout = clone;\n xhr.onprogress = function () {\n // Abort the request directly if it not a JPEG image for better performance\n if (xhr.getResponseHeader('content-type') !== MIME_TYPE_JPEG) {\n xhr.abort();\n }\n };\n xhr.onload = function () {\n _this.read(xhr.response);\n };\n xhr.onloadend = function () {\n _this.reloading = false;\n _this.xhr = null;\n };\n\n // Bust cache when there is a \"crossOrigin\" property to avoid browser cache error\n if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) {\n url = addTimestamp(url);\n }\n\n // The third parameter is required for avoiding side-effect (#682)\n xhr.open('GET', url, true);\n xhr.responseType = 'arraybuffer';\n xhr.withCredentials = element.crossOrigin === 'use-credentials';\n xhr.send();\n }\n }, {\n key: \"read\",\n value: function read(arrayBuffer) {\n var options = this.options,\n imageData = this.imageData;\n\n // Reset the orientation value to its default value 1\n // as some iOS browsers will render image with its orientation\n var orientation = resetAndGetOrientation(arrayBuffer);\n var rotate = 0;\n var scaleX = 1;\n var scaleY = 1;\n if (orientation > 1) {\n // Generate a new URL which has the default orientation value\n this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_JPEG);\n var _parseOrientation = parseOrientation(orientation);\n rotate = _parseOrientation.rotate;\n scaleX = _parseOrientation.scaleX;\n scaleY = _parseOrientation.scaleY;\n }\n if (options.rotatable) {\n imageData.rotate = rotate;\n }\n if (options.scalable) {\n imageData.scaleX = scaleX;\n imageData.scaleY = scaleY;\n }\n this.clone();\n }\n }, {\n key: \"clone\",\n value: function clone() {\n var element = this.element,\n url = this.url;\n var crossOrigin = element.crossOrigin;\n var crossOriginUrl = url;\n if (this.options.checkCrossOrigin && isCrossOriginURL(url)) {\n if (!crossOrigin) {\n crossOrigin = 'anonymous';\n }\n\n // Bust cache when there is not a \"crossOrigin\" property (#519)\n crossOriginUrl = addTimestamp(url);\n }\n this.crossOrigin = crossOrigin;\n this.crossOriginUrl = crossOriginUrl;\n var image = document.createElement('img');\n if (crossOrigin) {\n image.crossOrigin = crossOrigin;\n }\n image.src = crossOriginUrl || url;\n image.alt = element.alt || 'The image to crop';\n this.image = image;\n image.onload = this.start.bind(this);\n image.onerror = this.stop.bind(this);\n addClass(image, CLASS_HIDE);\n element.parentNode.insertBefore(image, element.nextSibling);\n }\n }, {\n key: \"start\",\n value: function start() {\n var _this2 = this;\n var image = this.image;\n image.onload = null;\n image.onerror = null;\n this.sizing = true;\n\n // Match all browsers that use WebKit as the layout engine in iOS devices,\n // such as Safari for iOS, Chrome for iOS, and in-app browsers.\n var isIOSWebKit = WINDOW.navigator && /(?:iPad|iPhone|iPod).*?AppleWebKit/i.test(WINDOW.navigator.userAgent);\n var done = function done(naturalWidth, naturalHeight) {\n assign(_this2.imageData, {\n naturalWidth: naturalWidth,\n naturalHeight: naturalHeight,\n aspectRatio: naturalWidth / naturalHeight\n });\n _this2.initialImageData = assign({}, _this2.imageData);\n _this2.sizing = false;\n _this2.sized = true;\n _this2.build();\n };\n\n // Most modern browsers (excepts iOS WebKit)\n if (image.naturalWidth && !isIOSWebKit) {\n done(image.naturalWidth, image.naturalHeight);\n return;\n }\n var sizingImage = document.createElement('img');\n var body = document.body || document.documentElement;\n this.sizingImage = sizingImage;\n sizingImage.onload = function () {\n done(sizingImage.width, sizingImage.height);\n if (!isIOSWebKit) {\n body.removeChild(sizingImage);\n }\n };\n sizingImage.src = image.src;\n\n // iOS WebKit will convert the image automatically\n // with its orientation once append it into DOM (#279)\n if (!isIOSWebKit) {\n sizingImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;';\n body.appendChild(sizingImage);\n }\n }\n }, {\n key: \"stop\",\n value: function stop() {\n var image = this.image;\n image.onload = null;\n image.onerror = null;\n image.parentNode.removeChild(image);\n this.image = null;\n }\n }, {\n key: \"build\",\n value: function build() {\n if (!this.sized || this.ready) {\n return;\n }\n var element = this.element,\n options = this.options,\n image = this.image;\n\n // Create cropper elements\n var container = element.parentNode;\n var template = document.createElement('div');\n template.innerHTML = TEMPLATE;\n var cropper = template.querySelector(\".\".concat(NAMESPACE, \"-container\"));\n var canvas = cropper.querySelector(\".\".concat(NAMESPACE, \"-canvas\"));\n var dragBox = cropper.querySelector(\".\".concat(NAMESPACE, \"-drag-box\"));\n var cropBox = cropper.querySelector(\".\".concat(NAMESPACE, \"-crop-box\"));\n var face = cropBox.querySelector(\".\".concat(NAMESPACE, \"-face\"));\n this.container = container;\n this.cropper = cropper;\n this.canvas = canvas;\n this.dragBox = dragBox;\n this.cropBox = cropBox;\n this.viewBox = cropper.querySelector(\".\".concat(NAMESPACE, \"-view-box\"));\n this.face = face;\n canvas.appendChild(image);\n\n // Hide the original image\n addClass(element, CLASS_HIDDEN);\n\n // Inserts the cropper after to the current image\n container.insertBefore(cropper, element.nextSibling);\n\n // Show the hidden image\n removeClass(image, CLASS_HIDE);\n this.initPreview();\n this.bind();\n options.initialAspectRatio = Math.max(0, options.initialAspectRatio) || NaN;\n options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;\n options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;\n addClass(cropBox, CLASS_HIDDEN);\n if (!options.guides) {\n addClass(cropBox.getElementsByClassName(\"\".concat(NAMESPACE, \"-dashed\")), CLASS_HIDDEN);\n }\n if (!options.center) {\n addClass(cropBox.getElementsByClassName(\"\".concat(NAMESPACE, \"-center\")), CLASS_HIDDEN);\n }\n if (options.background) {\n addClass(cropper, \"\".concat(NAMESPACE, \"-bg\"));\n }\n if (!options.highlight) {\n addClass(face, CLASS_INVISIBLE);\n }\n if (options.cropBoxMovable) {\n addClass(face, CLASS_MOVE);\n setData(face, DATA_ACTION, ACTION_ALL);\n }\n if (!options.cropBoxResizable) {\n addClass(cropBox.getElementsByClassName(\"\".concat(NAMESPACE, \"-line\")), CLASS_HIDDEN);\n addClass(cropBox.getElementsByClassName(\"\".concat(NAMESPACE, \"-point\")), CLASS_HIDDEN);\n }\n this.render();\n this.ready = true;\n this.setDragMode(options.dragMode);\n if (options.autoCrop) {\n this.crop();\n }\n this.setData(options.data);\n if (isFunction(options.ready)) {\n addListener(element, EVENT_READY, options.ready, {\n once: true\n });\n }\n dispatchEvent(element, EVENT_READY);\n }\n }, {\n key: \"unbuild\",\n value: function unbuild() {\n if (!this.ready) {\n return;\n }\n this.ready = false;\n this.unbind();\n this.resetPreview();\n var parentNode = this.cropper.parentNode;\n if (parentNode) {\n parentNode.removeChild(this.cropper);\n }\n removeClass(this.element, CLASS_HIDDEN);\n }\n }, {\n key: \"uncreate\",\n value: function uncreate() {\n if (this.ready) {\n this.unbuild();\n this.ready = false;\n this.cropped = false;\n } else if (this.sizing) {\n this.sizingImage.onload = null;\n this.sizing = false;\n this.sized = false;\n } else if (this.reloading) {\n this.xhr.onabort = null;\n this.xhr.abort();\n } else if (this.image) {\n this.stop();\n }\n }\n\n /**\n * Get the no conflict cropper class.\n * @returns {Cropper} The cropper class.\n */\n }], [{\n key: \"noConflict\",\n value: function noConflict() {\n window.Cropper = AnotherCropper;\n return Cropper;\n }\n\n /**\n * Change the default options.\n * @param {Object} options - The new default options.\n */\n }, {\n key: \"setDefaults\",\n value: function setDefaults(options) {\n assign(DEFAULTS, isPlainObject(options) && options);\n }\n }]);\n }();\n assign(Cropper.prototype, render, preview, events, handlers, change, methods);\n\n return Cropper;\n\n}));\n", "/*!\nTurbo 8.0.4\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 /**\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\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 isHTML(url) {\n return !!getExtension(url).match(/^(?:|\\.(?:htm|html|xhtml|php))$/)\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) && isHTML(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\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 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(anchor) {\n if (anchor.hasAttribute(\"target\")) {\n for (const element of document.getElementsByName(anchor.target)) {\n if (element instanceof HTMLIFrameElement) return false\n }\n }\n\n return true\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\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,\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;\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, _element, _submitter) {\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 answer = await FormSubmission.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 this.submitter?.setAttribute(\"disabled\", \"\");\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 this.submitter?.removeAttribute(\"disabled\");\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 if (submitter?.hasAttribute(\"formtarget\") || form.hasAttribute(\"target\")) {\n const target = submitter?.getAttribute(\"formtarget\") || form.target;\n\n for (const element of document.getElementsByName(target)) {\n if (element instanceof HTMLIFrameElement) return false\n }\n\n return true\n } else {\n return true\n }\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.respondsToEventTarget(event.target)) {\n this.clickEvent = event;\n } else {\n delete this.clickEvent;\n }\n }\n\n linkClicked = (event) => {\n if (this.clickEvent && this.respondsToEventTarget(event.target) && event.target instanceof Element) {\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 respondsToEventTarget(target) {\n const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null;\n return 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)) {\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 constructor(currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) {\n this.currentSnapshot = currentSnapshot;\n this.newSnapshot = newSnapshot;\n this.isPreview = isPreview;\n this.willRender = willRender;\n this.renderElement = renderElement;\n this.promise = new Promise((resolve, reject) => (this.resolvingFunctions = { resolve, reject }));\n }\n\n get shouldRender() {\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 const element = this.connectedSnapshot.firstAutofocusableElement;\n if (element) {\n element.focus();\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\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 this.frame = await nextRepaint();\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 }\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\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\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 MorphRenderer extends PageRenderer {\n async render() {\n if (this.willRender) await this.#morphBody();\n }\n\n get renderMethod() {\n return \"morph\"\n }\n\n // Private\n\n async #morphBody() {\n this.#morphElements(this.currentElement, this.newElement);\n this.#reloadRemoteFrames();\n\n dispatch(\"turbo:morph\", {\n detail: {\n currentElement: this.currentElement,\n newElement: this.newElement\n }\n });\n }\n\n #morphElements(currentElement, newElement, morphStyle = \"outerHTML\") {\n this.isMorphingTurboFrame = this.#isFrameReloadedWithMorph(currentElement);\n\n Idiomorph.morph(currentElement, newElement, {\n morphStyle: morphStyle,\n callbacks: {\n beforeNodeAdded: this.#shouldAddElement,\n beforeNodeMorphed: this.#shouldMorphElement,\n beforeAttributeUpdated: this.#shouldUpdateAttribute,\n beforeNodeRemoved: this.#shouldRemoveElement,\n afterNodeMorphed: this.#didMorphElement\n }\n });\n }\n\n #shouldAddElement = (node) => {\n return !(node.id && node.hasAttribute(\"data-turbo-permanent\") && document.getElementById(node.id))\n }\n\n #shouldMorphElement = (oldNode, newNode) => {\n if (oldNode instanceof HTMLElement) {\n if (!oldNode.hasAttribute(\"data-turbo-permanent\") && (this.isMorphingTurboFrame || !this.#isFrameReloadedWithMorph(oldNode))) {\n const event = dispatch(\"turbo:before-morph-element\", {\n cancelable: true,\n target: oldNode,\n detail: {\n newElement: newNode\n }\n });\n\n return !event.defaultPrevented\n } else {\n return false\n }\n }\n }\n\n #shouldUpdateAttribute = (attributeName, target, mutationType) => {\n const event = dispatch(\"turbo:before-morph-attribute\", { cancelable: true, target, detail: { attributeName, mutationType } });\n\n return !event.defaultPrevented\n }\n\n #didMorphElement = (oldNode, newNode) => {\n if (newNode instanceof HTMLElement) {\n dispatch(\"turbo:morph-element\", {\n target: oldNode,\n detail: {\n newElement: newNode\n }\n });\n }\n }\n\n #shouldRemoveElement = (node) => {\n return this.#shouldMorphElement(node)\n }\n\n #reloadRemoteFrames() {\n this.#remoteFrames().forEach((frame) => {\n if (this.#isFrameReloadedWithMorph(frame)) {\n this.#renderFrameWithMorph(frame);\n frame.reload();\n }\n });\n }\n\n #renderFrameWithMorph(frame) {\n frame.addEventListener(\"turbo:before-frame-render\", (event) => {\n event.detail.render = this.#morphFrameUpdate;\n }, { once: true });\n }\n\n #morphFrameUpdate = (currentElement, newElement) => {\n dispatch(\"turbo:before-frame-morph\", {\n target: currentElement,\n detail: { currentElement, newElement }\n });\n this.#morphElements(currentElement, newElement.children, \"innerHTML\");\n }\n\n #isFrameReloadedWithMorph(element) {\n return element.src && element.refresh === \"morph\"\n }\n\n #remoteFrames() {\n return Array.from(document.querySelectorAll('turbo-frame[src]')).filter(frame => {\n return !frame.closest('[data-turbo-permanent]')\n })\n }\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 ? MorphRenderer : PageRenderer;\n\n const renderer = new rendererClass(this.snapshot, snapshot, PageRenderer.renderElement, 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, ErrorRenderer.renderElement, 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 drive = true\n enabled = true\n progressBarDelay = 500\n started = false\n formMode = \"on\"\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) {\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 this.progressBarDelay = delay;\n }\n\n setFormMode(mode) {\n this.formMode = 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 (this.formMode == \"off\") {\n return false\n } else {\n const submitterIsNavigatable = submitter ? this.elementIsNavigatable(submitter) : true;\n\n if (this.formMode == \"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 (this.drive || 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 session.setProgressBarDelay(delay);\n}\n\nfunction setConfirmMethod(confirmMethod) {\n FormSubmission.confirmMethod = confirmMethod;\n}\n\nfunction setFormMode(mode) {\n session.setFormMode(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 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 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 { src } = this.element;\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.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 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\n if (newFrameElement) {\n const snapshot = new Snapshot(newFrameElement);\n const renderer = new FrameRenderer(this, this.view.snapshot, snapshot, FrameRenderer.renderElement, 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 this.targetElements.forEach((e) => e.replaceWith(this.templateContent));\n },\n\n update() {\n this.targetElements.forEach((targetElement) => {\n targetElement.innerHTML = \"\";\n targetElement.append(this.templateContent);\n });\n },\n\n refresh() {\n session.refresh(this.baseURI, this.requestId);\n }\n};\n\n//