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"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 * lodash (Custom Build) \n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright jQuery Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n\n/** Used as the `TypeError` message for \"Functions\" methods. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/** Used as references for various `Number` constants. */\nvar NAN = 0 / 0;\n\n/** `Object#toString` result references. */\nvar symbolTag = '[object Symbol]';\n\n/** Used to match leading and trailing whitespace. */\nvar reTrim = /^\\s+|\\s+$/g;\n\n/** Used to detect bad signed hexadecimal string values. */\nvar reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n/** Used to detect binary string values. */\nvar reIsBinary = /^0b[01]+$/i;\n\n/** Used to detect octal string values. */\nvar reIsOctal = /^0o[0-7]+$/i;\n\n/** Built-in method references without a dependency on `root`. */\nvar freeParseInt = parseInt;\n\n/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objectToString = objectProto.toString;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max,\n nativeMin = Math.min;\n\n/**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\nvar now = function() {\n return root.Date.now();\n};\n\n/**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\nfunction debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n result = wait - timeSinceLastCall;\n\n return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n}\n\n/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n var type = typeof value;\n return !!value && (type == 'object' || type == 'function');\n}\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && objectToString.call(value) == symbolTag);\n}\n\n/**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\nfunction toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = value.replace(reTrim, '');\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n}\n\nmodule.exports = debounce;\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.es = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var Spanish = {\n weekdays: {\n shorthand: [\"Dom\", \"Lun\", \"Mar\", \"Mi\u00E9\", \"Jue\", \"Vie\", \"S\u00E1b\"],\n longhand: [\n \"Domingo\",\n \"Lunes\",\n \"Martes\",\n \"Mi\u00E9rcoles\",\n \"Jueves\",\n \"Viernes\",\n \"S\u00E1bado\",\n ],\n },\n months: {\n shorthand: [\n \"Ene\",\n \"Feb\",\n \"Mar\",\n \"Abr\",\n \"May\",\n \"Jun\",\n \"Jul\",\n \"Ago\",\n \"Sep\",\n \"Oct\",\n \"Nov\",\n \"Dic\",\n ],\n longhand: [\n \"Enero\",\n \"Febrero\",\n \"Marzo\",\n \"Abril\",\n \"Mayo\",\n \"Junio\",\n \"Julio\",\n \"Agosto\",\n \"Septiembre\",\n \"Octubre\",\n \"Noviembre\",\n \"Diciembre\",\n ],\n },\n ordinal: function () {\n return \"\u00BA\";\n },\n firstDayOfWeek: 1,\n rangeSeparator: \" a \",\n time_24hr: true,\n };\n fp.l10ns.es = Spanish;\n var es = fp.l10ns;\n\n exports.Spanish = Spanish;\n exports.default = es;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.fr = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var French = {\n firstDayOfWeek: 1,\n weekdays: {\n shorthand: [\"dim\", \"lun\", \"mar\", \"mer\", \"jeu\", \"ven\", \"sam\"],\n longhand: [\n \"dimanche\",\n \"lundi\",\n \"mardi\",\n \"mercredi\",\n \"jeudi\",\n \"vendredi\",\n \"samedi\",\n ],\n },\n months: {\n shorthand: [\n \"janv\",\n \"f\u00E9vr\",\n \"mars\",\n \"avr\",\n \"mai\",\n \"juin\",\n \"juil\",\n \"ao\u00FBt\",\n \"sept\",\n \"oct\",\n \"nov\",\n \"d\u00E9c\",\n ],\n longhand: [\n \"janvier\",\n \"f\u00E9vrier\",\n \"mars\",\n \"avril\",\n \"mai\",\n \"juin\",\n \"juillet\",\n \"ao\u00FBt\",\n \"septembre\",\n \"octobre\",\n \"novembre\",\n \"d\u00E9cembre\",\n ],\n },\n ordinal: function (nth) {\n if (nth > 1)\n return \"\";\n return \"er\";\n },\n rangeSeparator: \" au \",\n weekAbbreviation: \"Sem\",\n scrollTitle: \"D\u00E9filer pour augmenter la valeur\",\n toggleTitle: \"Cliquer pour basculer\",\n time_24hr: true,\n };\n fp.l10ns.fr = French;\n var fr = fp.l10ns;\n\n exports.French = French;\n exports.default = fr;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.de = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var German = {\n weekdays: {\n shorthand: [\"So\", \"Mo\", \"Di\", \"Mi\", \"Do\", \"Fr\", \"Sa\"],\n longhand: [\n \"Sonntag\",\n \"Montag\",\n \"Dienstag\",\n \"Mittwoch\",\n \"Donnerstag\",\n \"Freitag\",\n \"Samstag\",\n ],\n },\n months: {\n shorthand: [\n \"Jan\",\n \"Feb\",\n \"M\u00E4r\",\n \"Apr\",\n \"Mai\",\n \"Jun\",\n \"Jul\",\n \"Aug\",\n \"Sep\",\n \"Okt\",\n \"Nov\",\n \"Dez\",\n ],\n longhand: [\n \"Januar\",\n \"Februar\",\n \"M\u00E4rz\",\n \"April\",\n \"Mai\",\n \"Juni\",\n \"Juli\",\n \"August\",\n \"September\",\n \"Oktober\",\n \"November\",\n \"Dezember\",\n ],\n },\n firstDayOfWeek: 1,\n weekAbbreviation: \"KW\",\n rangeSeparator: \" bis \",\n scrollTitle: \"Zum \u00C4ndern scrollen\",\n toggleTitle: \"Zum Umschalten klicken\",\n time_24hr: true,\n };\n fp.l10ns.de = German;\n var de = fp.l10ns;\n\n exports.German = German;\n exports.default = de;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.ru = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var Russian = {\n weekdays: {\n shorthand: [\"\u0412\u0441\", \"\u041F\u043D\", \"\u0412\u0442\", \"\u0421\u0440\", \"\u0427\u0442\", \"\u041F\u0442\", \"\u0421\u0431\"],\n longhand: [\n \"\u0412\u043E\u0441\u043A\u0440\u0435\u0441\u0435\u043D\u044C\u0435\",\n \"\u041F\u043E\u043D\u0435\u0434\u0435\u043B\u044C\u043D\u0438\u043A\",\n \"\u0412\u0442\u043E\u0440\u043D\u0438\u043A\",\n \"\u0421\u0440\u0435\u0434\u0430\",\n \"\u0427\u0435\u0442\u0432\u0435\u0440\u0433\",\n \"\u041F\u044F\u0442\u043D\u0438\u0446\u0430\",\n \"\u0421\u0443\u0431\u0431\u043E\u0442\u0430\",\n ],\n },\n months: {\n shorthand: [\n \"\u042F\u043D\u0432\",\n \"\u0424\u0435\u0432\",\n \"\u041C\u0430\u0440\u0442\",\n \"\u0410\u043F\u0440\",\n \"\u041C\u0430\u0439\",\n \"\u0418\u044E\u043D\u044C\",\n \"\u0418\u044E\u043B\u044C\",\n \"\u0410\u0432\u0433\",\n \"\u0421\u0435\u043D\",\n \"\u041E\u043A\u0442\",\n \"\u041D\u043E\u044F\",\n \"\u0414\u0435\u043A\",\n ],\n longhand: [\n \"\u042F\u043D\u0432\u0430\u0440\u044C\",\n \"\u0424\u0435\u0432\u0440\u0430\u043B\u044C\",\n \"\u041C\u0430\u0440\u0442\",\n \"\u0410\u043F\u0440\u0435\u043B\u044C\",\n \"\u041C\u0430\u0439\",\n \"\u0418\u044E\u043D\u044C\",\n \"\u0418\u044E\u043B\u044C\",\n \"\u0410\u0432\u0433\u0443\u0441\u0442\",\n \"\u0421\u0435\u043D\u0442\u044F\u0431\u0440\u044C\",\n \"\u041E\u043A\u0442\u044F\u0431\u0440\u044C\",\n \"\u041D\u043E\u044F\u0431\u0440\u044C\",\n \"\u0414\u0435\u043A\u0430\u0431\u0440\u044C\",\n ],\n },\n firstDayOfWeek: 1,\n ordinal: function () {\n return \"\";\n },\n rangeSeparator: \" \u2014 \",\n weekAbbreviation: \"\u041D\u0435\u0434.\",\n scrollTitle: \"\u041F\u0440\u043E\u043A\u0440\u0443\u0442\u0438\u0442\u0435 \u0434\u043B\u044F \u0443\u0432\u0435\u043B\u0438\u0447\u0435\u043D\u0438\u044F\",\n toggleTitle: \"\u041D\u0430\u0436\u043C\u0438\u0442\u0435 \u0434\u043B\u044F \u043F\u0435\u0440\u0435\u043A\u043B\u044E\u0447\u0435\u043D\u0438\u044F\",\n amPM: [\"\u0414\u041F\", \"\u041F\u041F\"],\n yearAriaLabel: \"\u0413\u043E\u0434\",\n time_24hr: true,\n };\n fp.l10ns.ru = Russian;\n var ru = fp.l10ns;\n\n exports.Russian = Russian;\n exports.default = ru;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.pt = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var Portuguese = {\n weekdays: {\n shorthand: [\"Dom\", \"Seg\", \"Ter\", \"Qua\", \"Qui\", \"Sex\", \"S\u00E1b\"],\n longhand: [\n \"Domingo\",\n \"Segunda-feira\",\n \"Ter\u00E7a-feira\",\n \"Quarta-feira\",\n \"Quinta-feira\",\n \"Sexta-feira\",\n \"S\u00E1bado\",\n ],\n },\n months: {\n shorthand: [\n \"Jan\",\n \"Fev\",\n \"Mar\",\n \"Abr\",\n \"Mai\",\n \"Jun\",\n \"Jul\",\n \"Ago\",\n \"Set\",\n \"Out\",\n \"Nov\",\n \"Dez\",\n ],\n longhand: [\n \"Janeiro\",\n \"Fevereiro\",\n \"Mar\u00E7o\",\n \"Abril\",\n \"Maio\",\n \"Junho\",\n \"Julho\",\n \"Agosto\",\n \"Setembro\",\n \"Outubro\",\n \"Novembro\",\n \"Dezembro\",\n ],\n },\n rangeSeparator: \" at\u00E9 \",\n time_24hr: true,\n };\n fp.l10ns.pt = Portuguese;\n var pt = fp.l10ns;\n\n exports.Portuguese = Portuguese;\n exports.default = pt;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.tr = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var Turkish = {\n weekdays: {\n shorthand: [\"Paz\", \"Pzt\", \"Sal\", \"\u00C7ar\", \"Per\", \"Cum\", \"Cmt\"],\n longhand: [\n \"Pazar\",\n \"Pazartesi\",\n \"Sal\u0131\",\n \"\u00C7ar\u015Famba\",\n \"Per\u015Fembe\",\n \"Cuma\",\n \"Cumartesi\",\n ],\n },\n months: {\n shorthand: [\n \"Oca\",\n \"\u015Eub\",\n \"Mar\",\n \"Nis\",\n \"May\",\n \"Haz\",\n \"Tem\",\n \"A\u011Fu\",\n \"Eyl\",\n \"Eki\",\n \"Kas\",\n \"Ara\",\n ],\n longhand: [\n \"Ocak\",\n \"\u015Eubat\",\n \"Mart\",\n \"Nisan\",\n \"May\u0131s\",\n \"Haziran\",\n \"Temmuz\",\n \"A\u011Fustos\",\n \"Eyl\u00FCl\",\n \"Ekim\",\n \"Kas\u0131m\",\n \"Aral\u0131k\",\n ],\n },\n firstDayOfWeek: 1,\n ordinal: function () {\n return \".\";\n },\n rangeSeparator: \" - \",\n weekAbbreviation: \"Hf\",\n scrollTitle: \"Art\u0131rmak i\u00E7in kayd\u0131r\u0131n\",\n toggleTitle: \"A\u00E7/Kapa\",\n amPM: [\"\u00D6\u00D6\", \"\u00D6S\"],\n time_24hr: true,\n };\n fp.l10ns.tr = Turkish;\n var tr = fp.l10ns;\n\n exports.Turkish = Turkish;\n exports.default = tr;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.it = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var Italian = {\n weekdays: {\n shorthand: [\"Dom\", \"Lun\", \"Mar\", \"Mer\", \"Gio\", \"Ven\", \"Sab\"],\n longhand: [\n \"Domenica\",\n \"Luned\u00EC\",\n \"Marted\u00EC\",\n \"Mercoled\u00EC\",\n \"Gioved\u00EC\",\n \"Venerd\u00EC\",\n \"Sabato\",\n ],\n },\n months: {\n shorthand: [\n \"Gen\",\n \"Feb\",\n \"Mar\",\n \"Apr\",\n \"Mag\",\n \"Giu\",\n \"Lug\",\n \"Ago\",\n \"Set\",\n \"Ott\",\n \"Nov\",\n \"Dic\",\n ],\n longhand: [\n \"Gennaio\",\n \"Febbraio\",\n \"Marzo\",\n \"Aprile\",\n \"Maggio\",\n \"Giugno\",\n \"Luglio\",\n \"Agosto\",\n \"Settembre\",\n \"Ottobre\",\n \"Novembre\",\n \"Dicembre\",\n ],\n },\n firstDayOfWeek: 1,\n ordinal: function () { return \"\u00B0\"; },\n rangeSeparator: \" al \",\n weekAbbreviation: \"Se\",\n scrollTitle: \"Scrolla per aumentare\",\n toggleTitle: \"Clicca per cambiare\",\n time_24hr: true,\n };\n fp.l10ns.it = Italian;\n var it = fp.l10ns;\n\n exports.Italian = Italian;\n exports.default = it;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.id = {}));\n}(this, (function (exports) { 'use strict';\n\n var fp = typeof window !== \"undefined\" && window.flatpickr !== undefined\n ? window.flatpickr\n : {\n l10ns: {},\n };\n var Indonesian = {\n weekdays: {\n shorthand: [\"Min\", \"Sen\", \"Sel\", \"Rab\", \"Kam\", \"Jum\", \"Sab\"],\n longhand: [\"Minggu\", \"Senin\", \"Selasa\", \"Rabu\", \"Kamis\", \"Jumat\", \"Sabtu\"],\n },\n months: {\n shorthand: [\n \"Jan\",\n \"Feb\",\n \"Mar\",\n \"Apr\",\n \"Mei\",\n \"Jun\",\n \"Jul\",\n \"Agu\",\n \"Sep\",\n \"Okt\",\n \"Nov\",\n \"Des\",\n ],\n longhand: [\n \"Januari\",\n \"Februari\",\n \"Maret\",\n \"April\",\n \"Mei\",\n \"Juni\",\n \"Juli\",\n \"Agustus\",\n \"September\",\n \"Oktober\",\n \"November\",\n \"Desember\",\n ],\n },\n firstDayOfWeek: 1,\n ordinal: function () {\n return \"\";\n },\n time_24hr: true,\n rangeSeparator: \" - \",\n };\n fp.l10ns.id = Indonesian;\n var id = fp.l10ns;\n\n exports.Indonesian = Indonesian;\n exports.default = id;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n", "function debounce(function_, wait = 100, options = {}) {\n\tif (typeof function_ !== 'function') {\n\t\tthrow new TypeError(`Expected the first parameter to be a function, got \\`${typeof function_}\\`.`);\n\t}\n\n\tif (wait < 0) {\n\t\tthrow new RangeError('`wait` must not be negative.');\n\t}\n\n\t// TODO: Deprecate the boolean parameter at some point.\n\tconst {immediate} = typeof options === 'boolean' ? {immediate: options} : options;\n\n\tlet storedContext;\n\tlet storedArguments;\n\tlet timeoutId;\n\tlet timestamp;\n\tlet result;\n\n\tfunction later() {\n\t\tconst last = Date.now() - timestamp;\n\n\t\tif (last < wait && last >= 0) {\n\t\t\ttimeoutId = setTimeout(later, wait - last);\n\t\t} else {\n\t\t\ttimeoutId = undefined;\n\n\t\t\tif (!immediate) {\n\t\t\t\tconst callContext = storedContext;\n\t\t\t\tconst callArguments = storedArguments;\n\t\t\t\tstoredContext = undefined;\n\t\t\t\tstoredArguments = undefined;\n\t\t\t\tresult = function_.apply(callContext, callArguments);\n\t\t\t}\n\t\t}\n\t}\n\n\tconst debounced = function (...arguments_) {\n\t\tif (storedContext && this !== storedContext) {\n\t\t\tthrow new Error('Debounced method called with different contexts.');\n\t\t}\n\n\t\tstoredContext = this; // eslint-disable-line unicorn/no-this-assignment\n\t\tstoredArguments = arguments_;\n\t\ttimestamp = Date.now();\n\n\t\tconst callNow = immediate && !timeoutId;\n\n\t\tif (!timeoutId) {\n\t\t\ttimeoutId = setTimeout(later, wait);\n\t\t}\n\n\t\tif (callNow) {\n\t\t\tconst callContext = storedContext;\n\t\t\tconst callArguments = storedArguments;\n\t\t\tstoredContext = undefined;\n\t\t\tstoredArguments = undefined;\n\t\t\tresult = function_.apply(callContext, callArguments);\n\t\t}\n\n\t\treturn result;\n\t};\n\n\tdebounced.clear = () => {\n\t\tif (!timeoutId) {\n\t\t\treturn;\n\t\t}\n\n\t\tclearTimeout(timeoutId);\n\t\ttimeoutId = undefined;\n\t};\n\n\tdebounced.flush = () => {\n\t\tif (!timeoutId) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst callContext = storedContext;\n\t\tconst callArguments = storedArguments;\n\t\tstoredContext = undefined;\n\t\tstoredArguments = undefined;\n\t\tresult = function_.apply(callContext, callArguments);\n\n\t\tclearTimeout(timeoutId);\n\t\ttimeoutId = undefined;\n\t};\n\n\treturn debounced;\n}\n\n// Adds compatibility for ES modules\nmodule.exports.debounce = debounce;\n\nmodule.exports = debounce;\n", "/** @typedef {import('../photoswipe.js').Point} Point */\r\n\r\n/**\r\n * @template {keyof HTMLElementTagNameMap} T\r\n * @param {string} className\r\n * @param {T} tagName\r\n * @param {Node} [appendToEl]\r\n * @returns {HTMLElementTagNameMap[T]}\r\n */\r\nexport function createElement(className, tagName, appendToEl) {\r\n const el = document.createElement(tagName);\r\n if (className) {\r\n el.className = className;\r\n }\r\n if (appendToEl) {\r\n appendToEl.appendChild(el);\r\n }\r\n return el;\r\n}\r\n\r\n/**\r\n * @param {Point} p1\r\n * @param {Point} p2\r\n * @returns {Point}\r\n */\r\nexport function equalizePoints(p1, p2) {\r\n p1.x = p2.x;\r\n p1.y = p2.y;\r\n if (p2.id !== undefined) {\r\n p1.id = p2.id;\r\n }\r\n return p1;\r\n}\r\n\r\n/**\r\n * @param {Point} p\r\n */\r\nexport function roundPoint(p) {\r\n p.x = Math.round(p.x);\r\n p.y = Math.round(p.y);\r\n}\r\n\r\n/**\r\n * Returns distance between two points.\r\n *\r\n * @param {Point} p1\r\n * @param {Point} p2\r\n * @returns {number}\r\n */\r\nexport function getDistanceBetween(p1, p2) {\r\n const x = Math.abs(p1.x - p2.x);\r\n const y = Math.abs(p1.y - p2.y);\r\n return Math.sqrt((x * x) + (y * y));\r\n}\r\n\r\n/**\r\n * Whether X and Y positions of points are equal\r\n *\r\n * @param {Point} p1\r\n * @param {Point} p2\r\n * @returns {boolean}\r\n */\r\nexport function pointsEqual(p1, p2) {\r\n return p1.x === p2.x && p1.y === p2.y;\r\n}\r\n\r\n/**\r\n * The float result between the min and max values.\r\n *\r\n * @param {number} val\r\n * @param {number} min\r\n * @param {number} max\r\n * @returns {number}\r\n */\r\nexport function clamp(val, min, max) {\r\n return Math.min(Math.max(val, min), max);\r\n}\r\n\r\n/**\r\n * Get transform string\r\n *\r\n * @param {number} x\r\n * @param {number} [y]\r\n * @param {number} [scale]\r\n * @returns {string}\r\n */\r\nexport function toTransformString(x, y, scale) {\r\n let propValue = `translate3d(${x}px,${y || 0}px,0)`;\r\n\r\n if (scale !== undefined) {\r\n propValue += ` scale3d(${scale},${scale},1)`;\r\n }\r\n\r\n return propValue;\r\n}\r\n\r\n/**\r\n * Apply transform:translate(x, y) scale(scale) to element\r\n *\r\n * @param {HTMLElement} el\r\n * @param {number} x\r\n * @param {number} [y]\r\n * @param {number} [scale]\r\n */\r\nexport function setTransform(el, x, y, scale) {\r\n el.style.transform = toTransformString(x, y, scale);\r\n}\r\n\r\nconst defaultCSSEasing = 'cubic-bezier(.4,0,.22,1)';\r\n\r\n/**\r\n * Apply CSS transition to element\r\n *\r\n * @param {HTMLElement} el\r\n * @param {string} [prop] CSS property to animate\r\n * @param {number} [duration] in ms\r\n * @param {string} [ease] CSS easing function\r\n */\r\nexport function setTransitionStyle(el, prop, duration, ease) {\r\n // inOut: 'cubic-bezier(.4, 0, .22, 1)', // for \"toggle state\" transitions\r\n // out: 'cubic-bezier(0, 0, .22, 1)', // for \"show\" transitions\r\n // in: 'cubic-bezier(.4, 0, 1, 1)'// for \"hide\" transitions\r\n el.style.transition = prop\r\n ? `${prop} ${duration}ms ${ease || defaultCSSEasing}`\r\n : 'none';\r\n}\r\n\r\n/**\r\n * Apply width and height CSS properties to element\r\n *\r\n * @param {HTMLElement} el\r\n * @param {string | number} w\r\n * @param {string | number} h\r\n */\r\nexport function setWidthHeight(el, w, h) {\r\n el.style.width = (typeof w === 'number') ? `${w}px` : w;\r\n el.style.height = (typeof h === 'number') ? `${h}px` : h;\r\n}\r\n\r\n/**\r\n * @param {HTMLElement} el\r\n */\r\nexport function removeTransitionStyle(el) {\r\n setTransitionStyle(el);\r\n}\r\n\r\n/**\r\n * @param {HTMLImageElement} img\r\n * @returns {Promise}\r\n */\r\nexport function decodeImage(img) {\r\n if ('decode' in img) {\r\n return img.decode().catch(() => {});\r\n }\r\n\r\n if (img.complete) {\r\n return Promise.resolve(img);\r\n }\r\n\r\n return new Promise((resolve, reject) => {\r\n img.onload = () => resolve(img);\r\n img.onerror = reject;\r\n });\r\n}\r\n\r\n/** @typedef {LOAD_STATE[keyof LOAD_STATE]} LoadState */\r\n/** @type {{ IDLE: 'idle'; LOADING: 'loading'; LOADED: 'loaded'; ERROR: 'error' }} */\r\nexport const LOAD_STATE = {\r\n IDLE: 'idle',\r\n LOADING: 'loading',\r\n LOADED: 'loaded',\r\n ERROR: 'error',\r\n};\r\n\r\n\r\n/**\r\n * Check if click or keydown event was dispatched\r\n * with a special key or via mouse wheel.\r\n *\r\n * @param {MouseEvent | KeyboardEvent} e\r\n * @returns {boolean}\r\n */\r\nexport function specialKeyUsed(e) {\r\n return ('button' in e && e.button === 1) || e.ctrlKey || e.metaKey || e.altKey || e.shiftKey;\r\n}\r\n\r\n/**\r\n * Parse `gallery` or `children` options.\r\n *\r\n * @param {import('../photoswipe.js').ElementProvider} [option]\r\n * @param {string} [legacySelector]\r\n * @param {HTMLElement | Document} [parent]\r\n * @returns HTMLElement[]\r\n */\r\nexport function getElementsFromOption(option, legacySelector, parent = document) {\r\n /** @type {HTMLElement[]} */\r\n let elements = [];\r\n\r\n if (option instanceof Element) {\r\n elements = [option];\r\n } else if (option instanceof NodeList || Array.isArray(option)) {\r\n elements = Array.from(option);\r\n } else {\r\n const selector = typeof option === 'string' ? option : legacySelector;\r\n if (selector) {\r\n elements = Array.from(parent.querySelectorAll(selector));\r\n }\r\n }\r\n\r\n return elements;\r\n}\r\n\r\n/**\r\n * Check if variable is PhotoSwipe class\r\n *\r\n * @param {any} fn\r\n * @returns {boolean}\r\n */\r\nexport function isPswpClass(fn) {\r\n return typeof fn === 'function'\r\n && fn.prototype\r\n && fn.prototype.goTo;\r\n}\r\n\r\n/**\r\n * Check if browser is Safari\r\n *\r\n * @returns {boolean}\r\n */\r\nexport function isSafari() {\r\n return !!(navigator.vendor && navigator.vendor.match(/apple/i));\r\n}\r\n\r\n", "// Detect passive event listener support\r\nlet supportsPassive = false;\r\n/* eslint-disable */\r\ntry {\r\n /* @ts-ignore */\r\n window.addEventListener('test', null, Object.defineProperty({}, 'passive', {\r\n get: () => {\r\n supportsPassive = true;\r\n }\r\n }));\r\n} catch (e) {}\r\n/* eslint-enable */\r\n\r\n/**\r\n * @typedef {Object} PoolItem\r\n * @prop {HTMLElement | Window | Document | undefined | null} target\r\n * @prop {string} type\r\n * @prop {EventListenerOrEventListenerObject} listener\r\n * @prop {boolean} [passive]\r\n */\r\n\r\nclass DOMEvents {\r\n constructor() {\r\n /**\r\n * @type {PoolItem[]}\r\n * @private\r\n */\r\n this._pool = [];\r\n }\r\n\r\n /**\r\n * Adds event listeners\r\n *\r\n * @param {PoolItem['target']} target\r\n * @param {PoolItem['type']} type Can be multiple, separated by space.\r\n * @param {PoolItem['listener']} listener\r\n * @param {PoolItem['passive']} [passive]\r\n */\r\n add(target, type, listener, passive) {\r\n this._toggleListener(target, type, listener, passive);\r\n }\r\n\r\n /**\r\n * Removes event listeners\r\n *\r\n * @param {PoolItem['target']} target\r\n * @param {PoolItem['type']} type\r\n * @param {PoolItem['listener']} listener\r\n * @param {PoolItem['passive']} [passive]\r\n */\r\n remove(target, type, listener, passive) {\r\n this._toggleListener(target, type, listener, passive, true);\r\n }\r\n\r\n /**\r\n * Removes all bound events\r\n */\r\n removeAll() {\r\n this._pool.forEach((poolItem) => {\r\n this._toggleListener(\r\n poolItem.target,\r\n poolItem.type,\r\n poolItem.listener,\r\n poolItem.passive,\r\n true,\r\n true\r\n );\r\n });\r\n this._pool = [];\r\n }\r\n\r\n /**\r\n * Adds or removes event\r\n *\r\n * @private\r\n * @param {PoolItem['target']} target\r\n * @param {PoolItem['type']} type\r\n * @param {PoolItem['listener']} listener\r\n * @param {PoolItem['passive']} [passive]\r\n * @param {boolean} [unbind] Whether the event should be added or removed\r\n * @param {boolean} [skipPool] Whether events pool should be skipped\r\n */\r\n _toggleListener(target, type, listener, passive, unbind, skipPool) {\r\n if (!target) {\r\n return;\r\n }\r\n\r\n const methodName = unbind ? 'removeEventListener' : 'addEventListener';\r\n const types = type.split(' ');\r\n types.forEach((eType) => {\r\n if (eType) {\r\n // Events pool is used to easily unbind all events when PhotoSwipe is closed,\r\n // so developer doesn't need to do this manually\r\n if (!skipPool) {\r\n if (unbind) {\r\n // Remove from the events pool\r\n this._pool = this._pool.filter((poolItem) => {\r\n return poolItem.type !== eType\r\n || poolItem.listener !== listener\r\n || poolItem.target !== target;\r\n });\r\n } else {\r\n // Add to the events pool\r\n this._pool.push({\r\n target,\r\n type: eType,\r\n listener,\r\n passive\r\n });\r\n }\r\n }\r\n\r\n // most PhotoSwipe events call preventDefault,\r\n // and we do not need browser to scroll the page\r\n const eventOptions = supportsPassive ? { passive: (passive || false) } : false;\r\n\r\n target[methodName](\r\n eType,\r\n listener,\r\n eventOptions\r\n );\r\n }\r\n });\r\n }\r\n}\r\n\r\nexport default DOMEvents;\r\n", "/** @typedef {import('../photoswipe.js').PhotoSwipeOptions} PhotoSwipeOptions */\r\n/** @typedef {import('../core/base.js').default} PhotoSwipeBase */\r\n/** @typedef {import('../photoswipe.js').Point} Point */\r\n/** @typedef {import('../slide/slide.js').SlideData} SlideData */\r\n\r\n/**\r\n * @param {PhotoSwipeOptions} options\r\n * @param {PhotoSwipeBase} pswp\r\n * @returns {Point}\r\n */\r\nexport function getViewportSize(options, pswp) {\r\n if (options.getViewportSizeFn) {\r\n const newViewportSize = options.getViewportSizeFn(options, pswp);\r\n if (newViewportSize) {\r\n return newViewportSize;\r\n }\r\n }\r\n\r\n return {\r\n x: document.documentElement.clientWidth,\r\n\r\n // TODO: height on mobile is very incosistent due to toolbar\r\n // find a way to improve this\r\n //\r\n // document.documentElement.clientHeight - doesn't seem to work well\r\n y: window.innerHeight\r\n };\r\n}\r\n\r\n/**\r\n * Parses padding option.\r\n * Supported formats:\r\n *\r\n * // Object\r\n * padding: {\r\n * top: 0,\r\n * bottom: 0,\r\n * left: 0,\r\n * right: 0\r\n * }\r\n *\r\n * // A function that returns the object\r\n * paddingFn: (viewportSize, itemData, index) => {\r\n * return {\r\n * top: 0,\r\n * bottom: 0,\r\n * left: 0,\r\n * right: 0\r\n * };\r\n * }\r\n *\r\n * // Legacy variant\r\n * paddingLeft: 0,\r\n * paddingRight: 0,\r\n * paddingTop: 0,\r\n * paddingBottom: 0,\r\n *\r\n * @param {'left' | 'top' | 'bottom' | 'right'} prop\r\n * @param {PhotoSwipeOptions} options PhotoSwipe options\r\n * @param {Point} viewportSize PhotoSwipe viewport size, for example: { x:800, y:600 }\r\n * @param {SlideData} itemData Data about the slide\r\n * @param {number} index Slide index\r\n * @returns {number}\r\n */\r\nexport function parsePaddingOption(prop, options, viewportSize, itemData, index) {\r\n let paddingValue = 0;\r\n\r\n if (options.paddingFn) {\r\n paddingValue = options.paddingFn(viewportSize, itemData, index)[prop];\r\n } else if (options.padding) {\r\n paddingValue = options.padding[prop];\r\n } else {\r\n const legacyPropName = 'padding' + prop[0].toUpperCase() + prop.slice(1);\r\n // @ts-expect-error\r\n if (options[legacyPropName]) {\r\n // @ts-expect-error\r\n paddingValue = options[legacyPropName];\r\n }\r\n }\r\n\r\n return Number(paddingValue) || 0;\r\n}\r\n\r\n/**\r\n * @param {PhotoSwipeOptions} options\r\n * @param {Point} viewportSize\r\n * @param {SlideData} itemData\r\n * @param {number} index\r\n * @returns {Point}\r\n */\r\nexport function getPanAreaSize(options, viewportSize, itemData, index) {\r\n return {\r\n x: viewportSize.x\r\n - parsePaddingOption('left', options, viewportSize, itemData, index)\r\n - parsePaddingOption('right', options, viewportSize, itemData, index),\r\n y: viewportSize.y\r\n - parsePaddingOption('top', options, viewportSize, itemData, index)\r\n - parsePaddingOption('bottom', options, viewportSize, itemData, index)\r\n };\r\n}\r\n", "import { clamp } from '../util/util.js';\r\nimport { parsePaddingOption } from '../util/viewport-size.js';\r\n\r\n/** @typedef {import('./slide.js').default} Slide */\r\n/** @typedef {Record} Point */\r\n/** @typedef {'x' | 'y'} Axis */\r\n\r\n/**\r\n * Calculates minimum, maximum and initial (center) bounds of a slide\r\n */\r\nclass PanBounds {\r\n /**\r\n * @param {Slide} slide\r\n */\r\n constructor(slide) {\r\n this.slide = slide;\r\n this.currZoomLevel = 1;\r\n this.center = /** @type {Point} */ { x: 0, y: 0 };\r\n this.max = /** @type {Point} */ { x: 0, y: 0 };\r\n this.min = /** @type {Point} */ { x: 0, y: 0 };\r\n }\r\n\r\n /**\r\n * _getItemBounds\r\n *\r\n * @param {number} currZoomLevel\r\n */\r\n update(currZoomLevel) {\r\n this.currZoomLevel = currZoomLevel;\r\n\r\n if (!this.slide.width) {\r\n this.reset();\r\n } else {\r\n this._updateAxis('x');\r\n this._updateAxis('y');\r\n this.slide.pswp.dispatch('calcBounds', { slide: this.slide });\r\n }\r\n }\r\n\r\n /**\r\n * _calculateItemBoundsForAxis\r\n *\r\n * @param {Axis} axis\r\n */\r\n _updateAxis(axis) {\r\n const { pswp } = this.slide;\r\n const elSize = this.slide[axis === 'x' ? 'width' : 'height'] * this.currZoomLevel;\r\n const paddingProp = axis === 'x' ? 'left' : 'top';\r\n const padding = parsePaddingOption(\r\n paddingProp,\r\n pswp.options,\r\n pswp.viewportSize,\r\n this.slide.data,\r\n this.slide.index\r\n );\r\n\r\n const panAreaSize = this.slide.panAreaSize[axis];\r\n\r\n // Default position of element.\r\n // By default, it is center of viewport:\r\n this.center[axis] = Math.round((panAreaSize - elSize) / 2) + padding;\r\n\r\n // maximum pan position\r\n this.max[axis] = (elSize > panAreaSize)\r\n ? Math.round(panAreaSize - elSize) + padding\r\n : this.center[axis];\r\n\r\n // minimum pan position\r\n this.min[axis] = (elSize > panAreaSize)\r\n ? padding\r\n : this.center[axis];\r\n }\r\n\r\n // _getZeroBounds\r\n reset() {\r\n this.center.x = 0;\r\n this.center.y = 0;\r\n this.max.x = 0;\r\n this.max.y = 0;\r\n this.min.x = 0;\r\n this.min.y = 0;\r\n }\r\n\r\n /**\r\n * Correct pan position if it's beyond the bounds\r\n *\r\n * @param {Axis} axis x or y\r\n * @param {number} panOffset\r\n * @returns {number}\r\n */\r\n correctPan(axis, panOffset) { // checkPanBounds\r\n return clamp(panOffset, this.max[axis], this.min[axis]);\r\n }\r\n}\r\n\r\nexport default PanBounds;\r\n", "const MAX_IMAGE_WIDTH = 4000;\r\n\r\n/** @typedef {import('../photoswipe.js').default} PhotoSwipe */\r\n/** @typedef {import('../photoswipe.js').PhotoSwipeOptions} PhotoSwipeOptions */\r\n/** @typedef {import('../photoswipe.js').Point} Point */\r\n/** @typedef {import('../slide/slide.js').SlideData} SlideData */\r\n\r\n/** @typedef {'fit' | 'fill' | number | ((zoomLevelObject: ZoomLevel) => number)} ZoomLevelOption */\r\n\r\n/**\r\n * Calculates zoom levels for specific slide.\r\n * Depends on viewport size and image size.\r\n */\r\nclass ZoomLevel {\r\n /**\r\n * @param {PhotoSwipeOptions} options PhotoSwipe options\r\n * @param {SlideData} itemData Slide data\r\n * @param {number} index Slide index\r\n * @param {PhotoSwipe} [pswp] PhotoSwipe instance, can be undefined if not initialized yet\r\n */\r\n constructor(options, itemData, index, pswp) {\r\n this.pswp = pswp;\r\n this.options = options;\r\n this.itemData = itemData;\r\n this.index = index;\r\n /** @type { Point | null } */\r\n this.panAreaSize = null;\r\n /** @type { Point | null } */\r\n this.elementSize = null;\r\n this.fit = 1;\r\n this.fill = 1;\r\n this.vFill = 1;\r\n this.initial = 1;\r\n this.secondary = 1;\r\n this.max = 1;\r\n this.min = 1;\r\n }\r\n\r\n /**\r\n * Calculate initial, secondary and maximum zoom level for the specified slide.\r\n *\r\n * It should be called when either image or viewport size changes.\r\n *\r\n * @param {number} maxWidth\r\n * @param {number} maxHeight\r\n * @param {Point} panAreaSize\r\n */\r\n update(maxWidth, maxHeight, panAreaSize) {\r\n /** @type {Point} */\r\n const elementSize = { x: maxWidth, y: maxHeight };\r\n this.elementSize = elementSize;\r\n this.panAreaSize = panAreaSize;\r\n\r\n const hRatio = panAreaSize.x / elementSize.x;\r\n const vRatio = panAreaSize.y / elementSize.y;\r\n\r\n this.fit = Math.min(1, hRatio < vRatio ? hRatio : vRatio);\r\n this.fill = Math.min(1, hRatio > vRatio ? hRatio : vRatio);\r\n\r\n // zoom.vFill defines zoom level of the image\r\n // when it has 100% of viewport vertical space (height)\r\n this.vFill = Math.min(1, vRatio);\r\n\r\n this.initial = this._getInitial();\r\n this.secondary = this._getSecondary();\r\n this.max = Math.max(\r\n this.initial,\r\n this.secondary,\r\n this._getMax()\r\n );\r\n\r\n this.min = Math.min(\r\n this.fit,\r\n this.initial,\r\n this.secondary\r\n );\r\n\r\n if (this.pswp) {\r\n this.pswp.dispatch('zoomLevelsUpdate', { zoomLevels: this, slideData: this.itemData });\r\n }\r\n }\r\n\r\n /**\r\n * Parses user-defined zoom option.\r\n *\r\n * @private\r\n * @param {'initial' | 'secondary' | 'max'} optionPrefix Zoom level option prefix (initial, secondary, max)\r\n * @returns { number | undefined }\r\n */\r\n _parseZoomLevelOption(optionPrefix) {\r\n const optionName = /** @type {'initialZoomLevel' | 'secondaryZoomLevel' | 'maxZoomLevel'} */ (\r\n optionPrefix + 'ZoomLevel'\r\n );\r\n const optionValue = this.options[optionName];\r\n\r\n if (!optionValue) {\r\n return;\r\n }\r\n\r\n if (typeof optionValue === 'function') {\r\n return optionValue(this);\r\n }\r\n\r\n if (optionValue === 'fill') {\r\n return this.fill;\r\n }\r\n\r\n if (optionValue === 'fit') {\r\n return this.fit;\r\n }\r\n\r\n return Number(optionValue);\r\n }\r\n\r\n /**\r\n * Get zoom level to which image will be zoomed after double-tap gesture,\r\n * or when user clicks on zoom icon,\r\n * or mouse-click on image itself.\r\n * If you return 1 image will be zoomed to its original size.\r\n *\r\n * @private\r\n * @return {number}\r\n */\r\n _getSecondary() {\r\n let currZoomLevel = this._parseZoomLevelOption('secondary');\r\n\r\n if (currZoomLevel) {\r\n return currZoomLevel;\r\n }\r\n\r\n // 3x of \"fit\" state, but not larger than original\r\n currZoomLevel = Math.min(1, this.fit * 3);\r\n\r\n if (this.elementSize && currZoomLevel * this.elementSize.x > MAX_IMAGE_WIDTH) {\r\n currZoomLevel = MAX_IMAGE_WIDTH / this.elementSize.x;\r\n }\r\n\r\n return currZoomLevel;\r\n }\r\n\r\n /**\r\n * Get initial image zoom level.\r\n *\r\n * @private\r\n * @return {number}\r\n */\r\n _getInitial() {\r\n return this._parseZoomLevelOption('initial') || this.fit;\r\n }\r\n\r\n /**\r\n * Maximum zoom level when user zooms\r\n * via zoom/pinch gesture,\r\n * via cmd/ctrl-wheel or via trackpad.\r\n *\r\n * @private\r\n * @return {number}\r\n */\r\n _getMax() {\r\n // max zoom level is x4 from \"fit state\",\r\n // used for zoom gesture and ctrl/trackpad zoom\r\n return this._parseZoomLevelOption('max') || Math.max(1, this.fit * 4);\r\n }\r\n}\r\n\r\nexport default ZoomLevel;\r\n", "/** @typedef {import('../photoswipe.js').default} PhotoSwipe */\r\n/** @typedef {import('../photoswipe.js').Point} Point */\r\n\r\n/**\r\n * @typedef {_SlideData & Record} SlideData\r\n * @typedef {Object} _SlideData\r\n * @prop {HTMLElement} [element] thumbnail element\r\n * @prop {string} [src] image URL\r\n * @prop {string} [srcset] image srcset\r\n * @prop {number} [w] image width (deprecated)\r\n * @prop {number} [h] image height (deprecated)\r\n * @prop {number} [width] image width\r\n * @prop {number} [height] image height\r\n * @prop {string} [msrc] placeholder image URL that's displayed before large image is loaded\r\n * @prop {string} [alt] image alt text\r\n * @prop {boolean} [thumbCropped] whether thumbnail is cropped client-side or not\r\n * @prop {string} [html] html content of a slide\r\n * @prop {'image' | 'html' | string} [type] slide type\r\n */\r\n\r\nimport {\r\n createElement,\r\n setTransform,\r\n equalizePoints,\r\n roundPoint,\r\n toTransformString,\r\n clamp,\r\n} from '../util/util.js';\r\n\r\nimport PanBounds from './pan-bounds.js';\r\nimport ZoomLevel from './zoom-level.js';\r\nimport { getPanAreaSize } from '../util/viewport-size.js';\r\n\r\n/**\r\n * Renders and allows to control a single slide\r\n */\r\nclass Slide {\r\n /**\r\n * @param {SlideData} data\r\n * @param {number} index\r\n * @param {PhotoSwipe} pswp\r\n */\r\n constructor(data, index, pswp) {\r\n this.data = data;\r\n this.index = index;\r\n this.pswp = pswp;\r\n this.isActive = (index === pswp.currIndex);\r\n this.currentResolution = 0;\r\n /** @type {Point} */\r\n this.panAreaSize = { x: 0, y: 0 };\r\n /** @type {Point} */\r\n this.pan = { x: 0, y: 0 };\r\n\r\n this.isFirstSlide = (this.isActive && !pswp.opener.isOpen);\r\n\r\n this.zoomLevels = new ZoomLevel(pswp.options, data, index, pswp);\r\n\r\n this.pswp.dispatch('gettingData', {\r\n slide: this,\r\n data: this.data,\r\n index\r\n });\r\n\r\n this.content = this.pswp.contentLoader.getContentBySlide(this);\r\n this.container = createElement('pswp__zoom-wrap', 'div');\r\n /** @type {HTMLElement | null} */\r\n this.holderElement = null;\r\n\r\n this.currZoomLevel = 1;\r\n /** @type {number} */\r\n this.width = this.content.width;\r\n /** @type {number} */\r\n this.height = this.content.height;\r\n this.heavyAppended = false;\r\n this.bounds = new PanBounds(this);\r\n\r\n this.prevDisplayedWidth = -1;\r\n this.prevDisplayedHeight = -1;\r\n\r\n this.pswp.dispatch('slideInit', { slide: this });\r\n }\r\n\r\n /**\r\n * If this slide is active/current/visible\r\n *\r\n * @param {boolean} isActive\r\n */\r\n setIsActive(isActive) {\r\n if (isActive && !this.isActive) {\r\n // slide just became active\r\n this.activate();\r\n } else if (!isActive && this.isActive) {\r\n // slide just became non-active\r\n this.deactivate();\r\n }\r\n }\r\n\r\n /**\r\n * Appends slide content to DOM\r\n *\r\n * @param {HTMLElement} holderElement\r\n */\r\n append(holderElement) {\r\n this.holderElement = holderElement;\r\n\r\n this.container.style.transformOrigin = '0 0';\r\n\r\n // Slide appended to DOM\r\n if (!this.data) {\r\n return;\r\n }\r\n\r\n this.calculateSize();\r\n\r\n this.load();\r\n this.updateContentSize();\r\n this.appendHeavy();\r\n\r\n this.holderElement.appendChild(this.container);\r\n\r\n this.zoomAndPanToInitial();\r\n\r\n this.pswp.dispatch('firstZoomPan', { slide: this });\r\n\r\n this.applyCurrentZoomPan();\r\n\r\n this.pswp.dispatch('afterSetContent', { slide: this });\r\n\r\n if (this.isActive) {\r\n this.activate();\r\n }\r\n }\r\n\r\n load() {\r\n this.content.load(false);\r\n this.pswp.dispatch('slideLoad', { slide: this });\r\n }\r\n\r\n /**\r\n * Append \"heavy\" DOM elements\r\n *\r\n * This may depend on a type of slide,\r\n * but generally these are large images.\r\n */\r\n appendHeavy() {\r\n const { pswp } = this;\r\n const appendHeavyNearby = true; // todo\r\n\r\n // Avoid appending heavy elements during animations\r\n if (this.heavyAppended\r\n || !pswp.opener.isOpen\r\n || pswp.mainScroll.isShifted()\r\n || (!this.isActive && !appendHeavyNearby)) {\r\n return;\r\n }\r\n\r\n if (this.pswp.dispatch('appendHeavy', { slide: this }).defaultPrevented) {\r\n return;\r\n }\r\n\r\n this.heavyAppended = true;\r\n\r\n this.content.append();\r\n\r\n this.pswp.dispatch('appendHeavyContent', { slide: this });\r\n }\r\n\r\n /**\r\n * Triggered when this slide is active (selected).\r\n *\r\n * If it's part of opening/closing transition -\r\n * activate() will trigger after the transition is ended.\r\n */\r\n activate() {\r\n this.isActive = true;\r\n this.appendHeavy();\r\n this.content.activate();\r\n this.pswp.dispatch('slideActivate', { slide: this });\r\n }\r\n\r\n /**\r\n * Triggered when this slide becomes inactive.\r\n *\r\n * Slide can become inactive only after it was active.\r\n */\r\n deactivate() {\r\n this.isActive = false;\r\n this.content.deactivate();\r\n\r\n if (this.currZoomLevel !== this.zoomLevels.initial) {\r\n // allow filtering\r\n this.calculateSize();\r\n }\r\n\r\n // reset zoom level\r\n this.currentResolution = 0;\r\n this.zoomAndPanToInitial();\r\n this.applyCurrentZoomPan();\r\n this.updateContentSize();\r\n\r\n this.pswp.dispatch('slideDeactivate', { slide: this });\r\n }\r\n\r\n /**\r\n * The slide should destroy itself, it will never be used again.\r\n * (unbind all events and destroy internal components)\r\n */\r\n destroy() {\r\n this.content.hasSlide = false;\r\n this.content.remove();\r\n this.container.remove();\r\n this.pswp.dispatch('slideDestroy', { slide: this });\r\n }\r\n\r\n resize() {\r\n if (this.currZoomLevel === this.zoomLevels.initial || !this.isActive) {\r\n // Keep initial zoom level if it was before the resize,\r\n // as well as when this slide is not active\r\n\r\n // Reset position and scale to original state\r\n this.calculateSize();\r\n this.currentResolution = 0;\r\n this.zoomAndPanToInitial();\r\n this.applyCurrentZoomPan();\r\n this.updateContentSize();\r\n } else {\r\n // readjust pan position if it's beyond the bounds\r\n this.calculateSize();\r\n this.bounds.update(this.currZoomLevel);\r\n this.panTo(this.pan.x, this.pan.y);\r\n }\r\n }\r\n\r\n\r\n /**\r\n * Apply size to current slide content,\r\n * based on the current resolution and scale.\r\n *\r\n * @param {boolean} [force] if size should be updated even if dimensions weren't changed\r\n */\r\n updateContentSize(force) {\r\n // Use initial zoom level\r\n // if resolution is not defined (user didn't zoom yet)\r\n const scaleMultiplier = this.currentResolution || this.zoomLevels.initial;\r\n\r\n if (!scaleMultiplier) {\r\n return;\r\n }\r\n\r\n const width = Math.round(this.width * scaleMultiplier) || this.pswp.viewportSize.x;\r\n const height = Math.round(this.height * scaleMultiplier) || this.pswp.viewportSize.y;\r\n\r\n if (!this.sizeChanged(width, height) && !force) {\r\n return;\r\n }\r\n this.content.setDisplayedSize(width, height);\r\n }\r\n\r\n /**\r\n * @param {number} width\r\n * @param {number} height\r\n */\r\n sizeChanged(width, height) {\r\n if (width !== this.prevDisplayedWidth\r\n || height !== this.prevDisplayedHeight) {\r\n this.prevDisplayedWidth = width;\r\n this.prevDisplayedHeight = height;\r\n return true;\r\n }\r\n\r\n return false;\r\n }\r\n\r\n /** @returns {HTMLImageElement | HTMLDivElement | null | undefined} */\r\n getPlaceholderElement() {\r\n return this.content.placeholder?.element;\r\n }\r\n\r\n /**\r\n * Zoom current slide image to...\r\n *\r\n * @param {number} destZoomLevel Destination zoom level.\r\n * @param {Point} [centerPoint]\r\n * Transform origin center point, or false if viewport center should be used.\r\n * @param {number | false} [transitionDuration] Transition duration, may be set to 0.\r\n * @param {boolean} [ignoreBounds] Minimum and maximum zoom levels will be ignored.\r\n */\r\n zoomTo(destZoomLevel, centerPoint, transitionDuration, ignoreBounds) {\r\n const { pswp } = this;\r\n if (!this.isZoomable()\r\n || pswp.mainScroll.isShifted()) {\r\n return;\r\n }\r\n\r\n pswp.dispatch('beforeZoomTo', {\r\n destZoomLevel, centerPoint, transitionDuration\r\n });\r\n\r\n // stop all pan and zoom transitions\r\n pswp.animations.stopAllPan();\r\n\r\n // if (!centerPoint) {\r\n // centerPoint = pswp.getViewportCenterPoint();\r\n // }\r\n\r\n const prevZoomLevel = this.currZoomLevel;\r\n\r\n if (!ignoreBounds) {\r\n destZoomLevel = clamp(destZoomLevel, this.zoomLevels.min, this.zoomLevels.max);\r\n }\r\n\r\n // if (transitionDuration === undefined) {\r\n // transitionDuration = this.pswp.options.zoomAnimationDuration;\r\n // }\r\n\r\n this.setZoomLevel(destZoomLevel);\r\n this.pan.x = this.calculateZoomToPanOffset('x', centerPoint, prevZoomLevel);\r\n this.pan.y = this.calculateZoomToPanOffset('y', centerPoint, prevZoomLevel);\r\n roundPoint(this.pan);\r\n\r\n const finishTransition = () => {\r\n this._setResolution(destZoomLevel);\r\n this.applyCurrentZoomPan();\r\n };\r\n\r\n if (!transitionDuration) {\r\n finishTransition();\r\n } else {\r\n pswp.animations.startTransition({\r\n isPan: true,\r\n name: 'zoomTo',\r\n target: this.container,\r\n transform: this.getCurrentTransform(),\r\n onComplete: finishTransition,\r\n duration: transitionDuration,\r\n easing: pswp.options.easing\r\n });\r\n }\r\n }\r\n\r\n /**\r\n * @param {Point} [centerPoint]\r\n */\r\n toggleZoom(centerPoint) {\r\n this.zoomTo(\r\n this.currZoomLevel === this.zoomLevels.initial\r\n ? this.zoomLevels.secondary : this.zoomLevels.initial,\r\n centerPoint,\r\n this.pswp.options.zoomAnimationDuration\r\n );\r\n }\r\n\r\n /**\r\n * Updates zoom level property and recalculates new pan bounds,\r\n * unlike zoomTo it does not apply transform (use applyCurrentZoomPan)\r\n *\r\n * @param {number} currZoomLevel\r\n */\r\n setZoomLevel(currZoomLevel) {\r\n this.currZoomLevel = currZoomLevel;\r\n this.bounds.update(this.currZoomLevel);\r\n }\r\n\r\n /**\r\n * Get pan position after zoom at a given `point`.\r\n *\r\n * Always call setZoomLevel(newZoomLevel) beforehand to recalculate\r\n * pan bounds according to the new zoom level.\r\n *\r\n * @param {'x' | 'y'} axis\r\n * @param {Point} [point]\r\n * point based on which zoom is performed, usually refers to the current mouse position,\r\n * if false - viewport center will be used.\r\n * @param {number} [prevZoomLevel] Zoom level before new zoom was applied.\r\n * @returns {number}\r\n */\r\n calculateZoomToPanOffset(axis, point, prevZoomLevel) {\r\n const totalPanDistance = this.bounds.max[axis] - this.bounds.min[axis];\r\n if (totalPanDistance === 0) {\r\n return this.bounds.center[axis];\r\n }\r\n\r\n if (!point) {\r\n point = this.pswp.getViewportCenterPoint();\r\n }\r\n\r\n if (!prevZoomLevel) {\r\n prevZoomLevel = this.zoomLevels.initial;\r\n }\r\n\r\n const zoomFactor = this.currZoomLevel / prevZoomLevel;\r\n return this.bounds.correctPan(\r\n axis,\r\n (this.pan[axis] - point[axis]) * zoomFactor + point[axis]\r\n );\r\n }\r\n\r\n /**\r\n * Apply pan and keep it within bounds.\r\n *\r\n * @param {number} panX\r\n * @param {number} panY\r\n */\r\n panTo(panX, panY) {\r\n this.pan.x = this.bounds.correctPan('x', panX);\r\n this.pan.y = this.bounds.correctPan('y', panY);\r\n this.applyCurrentZoomPan();\r\n }\r\n\r\n /**\r\n * If the slide in the current state can be panned by the user\r\n * @returns {boolean}\r\n */\r\n isPannable() {\r\n return Boolean(this.width) && (this.currZoomLevel > this.zoomLevels.fit);\r\n }\r\n\r\n /**\r\n * If the slide can be zoomed\r\n * @returns {boolean}\r\n */\r\n isZoomable() {\r\n return Boolean(this.width) && this.content.isZoomable();\r\n }\r\n\r\n /**\r\n * Apply transform and scale based on\r\n * the current pan position (this.pan) and zoom level (this.currZoomLevel)\r\n */\r\n applyCurrentZoomPan() {\r\n this._applyZoomTransform(this.pan.x, this.pan.y, this.currZoomLevel);\r\n if (this === this.pswp.currSlide) {\r\n this.pswp.dispatch('zoomPanUpdate', { slide: this });\r\n }\r\n }\r\n\r\n zoomAndPanToInitial() {\r\n this.currZoomLevel = this.zoomLevels.initial;\r\n\r\n // pan according to the zoom level\r\n this.bounds.update(this.currZoomLevel);\r\n equalizePoints(this.pan, this.bounds.center);\r\n this.pswp.dispatch('initialZoomPan', { slide: this });\r\n }\r\n\r\n /**\r\n * Set translate and scale based on current resolution\r\n *\r\n * @param {number} x\r\n * @param {number} y\r\n * @param {number} zoom\r\n * @private\r\n */\r\n _applyZoomTransform(x, y, zoom) {\r\n zoom /= this.currentResolution || this.zoomLevels.initial;\r\n setTransform(this.container, x, y, zoom);\r\n }\r\n\r\n calculateSize() {\r\n const { pswp } = this;\r\n\r\n equalizePoints(\r\n this.panAreaSize,\r\n getPanAreaSize(pswp.options, pswp.viewportSize, this.data, this.index)\r\n );\r\n\r\n this.zoomLevels.update(this.width, this.height, this.panAreaSize);\r\n\r\n pswp.dispatch('calcSlideSize', {\r\n slide: this\r\n });\r\n }\r\n\r\n /** @returns {string} */\r\n getCurrentTransform() {\r\n const scale = this.currZoomLevel / (this.currentResolution || this.zoomLevels.initial);\r\n return toTransformString(this.pan.x, this.pan.y, scale);\r\n }\r\n\r\n /**\r\n * Set resolution and re-render the image.\r\n *\r\n * For example, if the real image size is 2000x1500,\r\n * and resolution is 0.5 - it will be rendered as 1000x750.\r\n *\r\n * Image with zoom level 2 and resolution 0.5 is\r\n * the same as image with zoom level 1 and resolution 1.\r\n *\r\n * Used to optimize animations and make\r\n * sure that browser renders image in the highest quality.\r\n * Also used by responsive images to load the correct one.\r\n *\r\n * @param {number} newResolution\r\n */\r\n _setResolution(newResolution) {\r\n if (newResolution === this.currentResolution) {\r\n return;\r\n }\r\n\r\n this.currentResolution = newResolution;\r\n this.updateContentSize();\r\n\r\n this.pswp.dispatch('resolutionChanged');\r\n }\r\n}\r\n\r\nexport default Slide;\r\n", "import {\r\n equalizePoints, roundPoint, clamp\r\n} from '../util/util.js';\r\n\r\n/** @typedef {import('../photoswipe.js').Point} Point */\r\n/** @typedef {import('./gestures.js').default} Gestures */\r\n\r\nconst PAN_END_FRICTION = 0.35;\r\nconst VERTICAL_DRAG_FRICTION = 0.6;\r\n\r\n// 1 corresponds to the third of viewport height\r\nconst MIN_RATIO_TO_CLOSE = 0.4;\r\n\r\n// Minimum speed required to navigate\r\n// to next or previous slide\r\nconst MIN_NEXT_SLIDE_SPEED = 0.5;\r\n\r\n/**\r\n * @param {number} initialVelocity\r\n * @param {number} decelerationRate\r\n * @returns {number}\r\n */\r\nfunction project(initialVelocity, decelerationRate) {\r\n return initialVelocity * decelerationRate / (1 - decelerationRate);\r\n}\r\n\r\n/**\r\n * Handles single pointer dragging\r\n */\r\nclass DragHandler {\r\n /**\r\n * @param {Gestures} gestures\r\n */\r\n constructor(gestures) {\r\n this.gestures = gestures;\r\n this.pswp = gestures.pswp;\r\n /** @type {Point} */\r\n this.startPan = { x: 0, y: 0 };\r\n }\r\n\r\n start() {\r\n if (this.pswp.currSlide) {\r\n equalizePoints(this.startPan, this.pswp.currSlide.pan);\r\n }\r\n this.pswp.animations.stopAll();\r\n }\r\n\r\n change() {\r\n const { p1, prevP1, dragAxis } = this.gestures;\r\n const { currSlide } = this.pswp;\r\n\r\n if (dragAxis === 'y'\r\n && this.pswp.options.closeOnVerticalDrag\r\n && (currSlide && currSlide.currZoomLevel <= currSlide.zoomLevels.fit)\r\n && !this.gestures.isMultitouch) {\r\n // Handle vertical drag to close\r\n const panY = currSlide.pan.y + (p1.y - prevP1.y);\r\n if (!this.pswp.dispatch('verticalDrag', { panY }).defaultPrevented) {\r\n this._setPanWithFriction('y', panY, VERTICAL_DRAG_FRICTION);\r\n const bgOpacity = 1 - Math.abs(this._getVerticalDragRatio(currSlide.pan.y));\r\n this.pswp.applyBgOpacity(bgOpacity);\r\n currSlide.applyCurrentZoomPan();\r\n }\r\n } else {\r\n const mainScrollChanged = this._panOrMoveMainScroll('x');\r\n if (!mainScrollChanged) {\r\n this._panOrMoveMainScroll('y');\r\n\r\n if (currSlide) {\r\n roundPoint(currSlide.pan);\r\n currSlide.applyCurrentZoomPan();\r\n }\r\n }\r\n }\r\n }\r\n\r\n end() {\r\n const { velocity } = this.gestures;\r\n const { mainScroll, currSlide } = this.pswp;\r\n let indexDiff = 0;\r\n\r\n this.pswp.animations.stopAll();\r\n\r\n // Handle main scroll if it's shifted\r\n if (mainScroll.isShifted()) {\r\n // Position of the main scroll relative to the viewport\r\n const mainScrollShiftDiff = mainScroll.x - mainScroll.getCurrSlideX();\r\n\r\n // Ratio between 0 and 1:\r\n // 0 - slide is not visible at all,\r\n // 0.5 - half of the slide is visible\r\n // 1 - slide is fully visible\r\n const currentSlideVisibilityRatio = (mainScrollShiftDiff / this.pswp.viewportSize.x);\r\n\r\n // Go next slide.\r\n //\r\n // - if velocity and its direction is matched,\r\n // and we see at least tiny part of the next slide\r\n //\r\n // - or if we see less than 50% of the current slide\r\n // and velocity is close to 0\r\n //\r\n if ((velocity.x < -MIN_NEXT_SLIDE_SPEED && currentSlideVisibilityRatio < 0)\r\n || (velocity.x < 0.1 && currentSlideVisibilityRatio < -0.5)) {\r\n // Go to next slide\r\n indexDiff = 1;\r\n velocity.x = Math.min(velocity.x, 0);\r\n } else if ((velocity.x > MIN_NEXT_SLIDE_SPEED && currentSlideVisibilityRatio > 0)\r\n || (velocity.x > -0.1 && currentSlideVisibilityRatio > 0.5)) {\r\n // Go to prev slide\r\n indexDiff = -1;\r\n velocity.x = Math.max(velocity.x, 0);\r\n }\r\n\r\n mainScroll.moveIndexBy(indexDiff, true, velocity.x);\r\n }\r\n\r\n // Restore zoom level\r\n if ((currSlide && currSlide.currZoomLevel > currSlide.zoomLevels.max)\r\n || this.gestures.isMultitouch) {\r\n this.gestures.zoomLevels.correctZoomPan(true);\r\n } else {\r\n // we run two animations instead of one,\r\n // as each axis has own pan boundaries and thus different spring function\r\n // (correctZoomPan does not have this functionality,\r\n // it animates all properties with single timing function)\r\n this._finishPanGestureForAxis('x');\r\n this._finishPanGestureForAxis('y');\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {'x' | 'y'} axis\r\n */\r\n _finishPanGestureForAxis(axis) {\r\n const { velocity } = this.gestures;\r\n const { currSlide } = this.pswp;\r\n\r\n if (!currSlide) {\r\n return;\r\n }\r\n\r\n const { pan, bounds } = currSlide;\r\n const panPos = pan[axis];\r\n const restoreBgOpacity = (this.pswp.bgOpacity < 1 && axis === 'y');\r\n\r\n // 0.995 means - scroll view loses 0.5% of its velocity per millisecond\r\n // Increasing this number will reduce travel distance\r\n const decelerationRate = 0.995; // 0.99\r\n\r\n // Pan position if there is no bounds\r\n const projectedPosition = panPos + project(velocity[axis], decelerationRate);\r\n\r\n if (restoreBgOpacity) {\r\n const vDragRatio = this._getVerticalDragRatio(panPos);\r\n const projectedVDragRatio = this._getVerticalDragRatio(projectedPosition);\r\n\r\n // If we are above and moving upwards,\r\n // or if we are below and moving downwards\r\n if ((vDragRatio < 0 && projectedVDragRatio < -MIN_RATIO_TO_CLOSE)\r\n || (vDragRatio > 0 && projectedVDragRatio > MIN_RATIO_TO_CLOSE)) {\r\n this.pswp.close();\r\n return;\r\n }\r\n }\r\n\r\n // Pan position with corrected bounds\r\n const correctedPanPosition = bounds.correctPan(axis, projectedPosition);\r\n\r\n // Exit if pan position should not be changed\r\n // or if speed it too low\r\n if (panPos === correctedPanPosition) {\r\n return;\r\n }\r\n\r\n // Overshoot if the final position is out of pan bounds\r\n const dampingRatio = (correctedPanPosition === projectedPosition) ? 1 : 0.82;\r\n\r\n const initialBgOpacity = this.pswp.bgOpacity;\r\n const totalPanDist = correctedPanPosition - panPos;\r\n\r\n this.pswp.animations.startSpring({\r\n name: 'panGesture' + axis,\r\n isPan: true,\r\n start: panPos,\r\n end: correctedPanPosition,\r\n velocity: velocity[axis],\r\n dampingRatio,\r\n onUpdate: (pos) => {\r\n // Animate opacity of background relative to Y pan position of an image\r\n if (restoreBgOpacity && this.pswp.bgOpacity < 1) {\r\n // 0 - start of animation, 1 - end of animation\r\n const animationProgressRatio = 1 - (correctedPanPosition - pos) / totalPanDist;\r\n\r\n // We clamp opacity to keep it between 0 and 1.\r\n // As progress ratio can be larger than 1 due to overshoot,\r\n // and we do not want to bounce opacity.\r\n this.pswp.applyBgOpacity(clamp(\r\n initialBgOpacity + (1 - initialBgOpacity) * animationProgressRatio,\r\n 0,\r\n 1\r\n ));\r\n }\r\n\r\n pan[axis] = Math.floor(pos);\r\n currSlide.applyCurrentZoomPan();\r\n },\r\n });\r\n }\r\n\r\n /**\r\n * Update position of the main scroll,\r\n * or/and update pan position of the current slide.\r\n *\r\n * Should return true if it changes (or can change) main scroll.\r\n *\r\n * @private\r\n * @param {'x' | 'y'} axis\r\n * @returns {boolean}\r\n */\r\n _panOrMoveMainScroll(axis) {\r\n const { p1, dragAxis, prevP1, isMultitouch } = this.gestures;\r\n const { currSlide, mainScroll } = this.pswp;\r\n const delta = (p1[axis] - prevP1[axis]);\r\n const newMainScrollX = mainScroll.x + delta;\r\n\r\n if (!delta || !currSlide) {\r\n return false;\r\n }\r\n\r\n // Always move main scroll if image can not be panned\r\n if (axis === 'x' && !currSlide.isPannable() && !isMultitouch) {\r\n mainScroll.moveTo(newMainScrollX, true);\r\n return true; // changed main scroll\r\n }\r\n\r\n const { bounds } = currSlide;\r\n const newPan = currSlide.pan[axis] + delta;\r\n\r\n if (this.pswp.options.allowPanToNext\r\n && dragAxis === 'x'\r\n && axis === 'x'\r\n && !isMultitouch) {\r\n const currSlideMainScrollX = mainScroll.getCurrSlideX();\r\n\r\n // Position of the main scroll relative to the viewport\r\n const mainScrollShiftDiff = mainScroll.x - currSlideMainScrollX;\r\n\r\n const isLeftToRight = delta > 0;\r\n const isRightToLeft = !isLeftToRight;\r\n\r\n if (newPan > bounds.min[axis] && isLeftToRight) {\r\n // Panning from left to right, beyond the left edge\r\n\r\n // Wether the image was at minimum pan position (or less)\r\n // when this drag gesture started.\r\n // Minimum pan position refers to the left edge of the image.\r\n const wasAtMinPanPosition = (bounds.min[axis] <= this.startPan[axis]);\r\n\r\n if (wasAtMinPanPosition) {\r\n mainScroll.moveTo(newMainScrollX, true);\r\n return true;\r\n } else {\r\n this._setPanWithFriction(axis, newPan);\r\n //currSlide.pan[axis] = newPan;\r\n }\r\n } else if (newPan < bounds.max[axis] && isRightToLeft) {\r\n // Paning from right to left, beyond the right edge\r\n\r\n // Maximum pan position refers to the right edge of the image.\r\n const wasAtMaxPanPosition = (this.startPan[axis] <= bounds.max[axis]);\r\n\r\n if (wasAtMaxPanPosition) {\r\n mainScroll.moveTo(newMainScrollX, true);\r\n return true;\r\n } else {\r\n this._setPanWithFriction(axis, newPan);\r\n //currSlide.pan[axis] = newPan;\r\n }\r\n } else {\r\n // If main scroll is shifted\r\n if (mainScrollShiftDiff !== 0) {\r\n // If main scroll is shifted right\r\n if (mainScrollShiftDiff > 0 /*&& isRightToLeft*/) {\r\n mainScroll.moveTo(Math.max(newMainScrollX, currSlideMainScrollX), true);\r\n return true;\r\n } else if (mainScrollShiftDiff < 0 /*&& isLeftToRight*/) {\r\n // Main scroll is shifted left (Position is less than 0 comparing to the viewport 0)\r\n mainScroll.moveTo(Math.min(newMainScrollX, currSlideMainScrollX), true);\r\n return true;\r\n }\r\n } else {\r\n // We are within pan bounds, so just pan\r\n this._setPanWithFriction(axis, newPan);\r\n }\r\n }\r\n } else {\r\n if (axis === 'y') {\r\n // Do not pan vertically if main scroll is shifted o\r\n if (!mainScroll.isShifted() && bounds.min.y !== bounds.max.y) {\r\n this._setPanWithFriction(axis, newPan);\r\n }\r\n } else {\r\n this._setPanWithFriction(axis, newPan);\r\n }\r\n }\r\n\r\n return false;\r\n }\r\n\r\n // If we move above - the ratio is negative\r\n // If we move below the ratio is positive\r\n\r\n /**\r\n * Relation between pan Y position and third of viewport height.\r\n *\r\n * When we are at initial position (center bounds) - the ratio is 0,\r\n * if position is shifted upwards - the ratio is negative,\r\n * if position is shifted downwards - the ratio is positive.\r\n *\r\n * @private\r\n * @param {number} panY The current pan Y position.\r\n * @returns {number}\r\n */\r\n _getVerticalDragRatio(panY) {\r\n return (panY - (this.pswp.currSlide?.bounds.center.y ?? 0)) / (this.pswp.viewportSize.y / 3);\r\n }\r\n\r\n /**\r\n * Set pan position of the current slide.\r\n * Apply friction if the position is beyond the pan bounds,\r\n * or if custom friction is defined.\r\n *\r\n * @private\r\n * @param {'x' | 'y'} axis\r\n * @param {number} potentialPan\r\n * @param {number} [customFriction] (0.1 - 1)\r\n */\r\n _setPanWithFriction(axis, potentialPan, customFriction) {\r\n const { currSlide } = this.pswp;\r\n\r\n if (!currSlide) {\r\n return;\r\n }\r\n\r\n const { pan, bounds } = currSlide;\r\n const correctedPan = bounds.correctPan(axis, potentialPan);\r\n // If we are out of pan bounds\r\n if (correctedPan !== potentialPan || customFriction) {\r\n const delta = Math.round(potentialPan - pan[axis]);\r\n pan[axis] += delta * (customFriction || PAN_END_FRICTION);\r\n } else {\r\n pan[axis] = potentialPan;\r\n }\r\n }\r\n}\r\n\r\nexport default DragHandler;\r\n", "import {\r\n equalizePoints, getDistanceBetween, clamp, pointsEqual\r\n} from '../util/util.js';\r\n\r\n/** @typedef {import('../photoswipe.js').Point} Point */\r\n/** @typedef {import('./gestures.js').default} Gestures */\r\n\r\nconst UPPER_ZOOM_FRICTION = 0.05;\r\nconst LOWER_ZOOM_FRICTION = 0.15;\r\n\r\n\r\n/**\r\n * Get center point between two points\r\n *\r\n * @param {Point} p\r\n * @param {Point} p1\r\n * @param {Point} p2\r\n * @returns {Point}\r\n */\r\nfunction getZoomPointsCenter(p, p1, p2) {\r\n p.x = (p1.x + p2.x) / 2;\r\n p.y = (p1.y + p2.y) / 2;\r\n return p;\r\n}\r\n\r\nclass ZoomHandler {\r\n /**\r\n * @param {Gestures} gestures\r\n */\r\n constructor(gestures) {\r\n this.gestures = gestures;\r\n /**\r\n * @private\r\n * @type {Point}\r\n */\r\n this._startPan = { x: 0, y: 0 };\r\n /**\r\n * @private\r\n * @type {Point}\r\n */\r\n this._startZoomPoint = { x: 0, y: 0 };\r\n /**\r\n * @private\r\n * @type {Point}\r\n */\r\n this._zoomPoint = { x: 0, y: 0 };\r\n /** @private */\r\n this._wasOverFitZoomLevel = false;\r\n /** @private */\r\n this._startZoomLevel = 1;\r\n }\r\n\r\n start() {\r\n const { currSlide } = this.gestures.pswp;\r\n if (currSlide) {\r\n this._startZoomLevel = currSlide.currZoomLevel;\r\n equalizePoints(this._startPan, currSlide.pan);\r\n }\r\n\r\n this.gestures.pswp.animations.stopAllPan();\r\n this._wasOverFitZoomLevel = false;\r\n }\r\n\r\n change() {\r\n const { p1, startP1, p2, startP2, pswp } = this.gestures;\r\n const { currSlide } = pswp;\r\n\r\n if (!currSlide) {\r\n return;\r\n }\r\n\r\n const minZoomLevel = currSlide.zoomLevels.min;\r\n const maxZoomLevel = currSlide.zoomLevels.max;\r\n\r\n if (!currSlide.isZoomable() || pswp.mainScroll.isShifted()) {\r\n return;\r\n }\r\n\r\n getZoomPointsCenter(this._startZoomPoint, startP1, startP2);\r\n getZoomPointsCenter(this._zoomPoint, p1, p2);\r\n\r\n let currZoomLevel = (1 / getDistanceBetween(startP1, startP2))\r\n * getDistanceBetween(p1, p2)\r\n * this._startZoomLevel;\r\n\r\n // slightly over the zoom.fit\r\n if (currZoomLevel > currSlide.zoomLevels.initial + (currSlide.zoomLevels.initial / 15)) {\r\n this._wasOverFitZoomLevel = true;\r\n }\r\n\r\n if (currZoomLevel < minZoomLevel) {\r\n if (pswp.options.pinchToClose\r\n && !this._wasOverFitZoomLevel\r\n && this._startZoomLevel <= currSlide.zoomLevels.initial) {\r\n // fade out background if zooming out\r\n const bgOpacity = 1 - ((minZoomLevel - currZoomLevel) / (minZoomLevel / 1.2));\r\n if (!pswp.dispatch('pinchClose', { bgOpacity }).defaultPrevented) {\r\n pswp.applyBgOpacity(bgOpacity);\r\n }\r\n } else {\r\n // Apply the friction if zoom level is below the min\r\n currZoomLevel = minZoomLevel - (minZoomLevel - currZoomLevel) * LOWER_ZOOM_FRICTION;\r\n }\r\n } else if (currZoomLevel > maxZoomLevel) {\r\n // Apply the friction if zoom level is above the max\r\n currZoomLevel = maxZoomLevel + (currZoomLevel - maxZoomLevel) * UPPER_ZOOM_FRICTION;\r\n }\r\n\r\n currSlide.pan.x = this._calculatePanForZoomLevel('x', currZoomLevel);\r\n currSlide.pan.y = this._calculatePanForZoomLevel('y', currZoomLevel);\r\n\r\n currSlide.setZoomLevel(currZoomLevel);\r\n currSlide.applyCurrentZoomPan();\r\n }\r\n\r\n end() {\r\n const { pswp } = this.gestures;\r\n const { currSlide } = pswp;\r\n if ((!currSlide || currSlide.currZoomLevel < currSlide.zoomLevels.initial)\r\n && !this._wasOverFitZoomLevel\r\n && pswp.options.pinchToClose) {\r\n pswp.close();\r\n } else {\r\n this.correctZoomPan();\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {'x' | 'y'} axis\r\n * @param {number} currZoomLevel\r\n * @returns {number}\r\n */\r\n _calculatePanForZoomLevel(axis, currZoomLevel) {\r\n const zoomFactor = currZoomLevel / this._startZoomLevel;\r\n return this._zoomPoint[axis]\r\n - ((this._startZoomPoint[axis] - this._startPan[axis]) * zoomFactor);\r\n }\r\n\r\n /**\r\n * Correct currZoomLevel and pan if they are\r\n * beyond minimum or maximum values.\r\n * With animation.\r\n *\r\n * @param {boolean} [ignoreGesture]\r\n * Wether gesture coordinates should be ignored when calculating destination pan position.\r\n */\r\n correctZoomPan(ignoreGesture) {\r\n const { pswp } = this.gestures;\r\n const { currSlide } = pswp;\r\n\r\n if (!currSlide?.isZoomable()) {\r\n return;\r\n }\r\n\r\n if (this._zoomPoint.x === 0) {\r\n ignoreGesture = true;\r\n }\r\n\r\n const prevZoomLevel = currSlide.currZoomLevel;\r\n\r\n /** @type {number} */\r\n let destinationZoomLevel;\r\n let currZoomLevelNeedsChange = true;\r\n\r\n if (prevZoomLevel < currSlide.zoomLevels.initial) {\r\n destinationZoomLevel = currSlide.zoomLevels.initial;\r\n // zoom to min\r\n } else if (prevZoomLevel > currSlide.zoomLevels.max) {\r\n destinationZoomLevel = currSlide.zoomLevels.max;\r\n // zoom to max\r\n } else {\r\n currZoomLevelNeedsChange = false;\r\n destinationZoomLevel = prevZoomLevel;\r\n }\r\n\r\n const initialBgOpacity = pswp.bgOpacity;\r\n const restoreBgOpacity = pswp.bgOpacity < 1;\r\n\r\n const initialPan = equalizePoints({ x: 0, y: 0 }, currSlide.pan);\r\n let destinationPan = equalizePoints({ x: 0, y: 0 }, initialPan);\r\n\r\n if (ignoreGesture) {\r\n this._zoomPoint.x = 0;\r\n this._zoomPoint.y = 0;\r\n this._startZoomPoint.x = 0;\r\n this._startZoomPoint.y = 0;\r\n this._startZoomLevel = prevZoomLevel;\r\n equalizePoints(this._startPan, initialPan);\r\n }\r\n\r\n if (currZoomLevelNeedsChange) {\r\n destinationPan = {\r\n x: this._calculatePanForZoomLevel('x', destinationZoomLevel),\r\n y: this._calculatePanForZoomLevel('y', destinationZoomLevel)\r\n };\r\n }\r\n\r\n // set zoom level, so pan bounds are updated according to it\r\n currSlide.setZoomLevel(destinationZoomLevel);\r\n\r\n destinationPan = {\r\n x: currSlide.bounds.correctPan('x', destinationPan.x),\r\n y: currSlide.bounds.correctPan('y', destinationPan.y)\r\n };\r\n\r\n // return zoom level and its bounds to initial\r\n currSlide.setZoomLevel(prevZoomLevel);\r\n\r\n const panNeedsChange = !pointsEqual(destinationPan, initialPan);\r\n\r\n if (!panNeedsChange && !currZoomLevelNeedsChange && !restoreBgOpacity) {\r\n // update resolution after gesture\r\n currSlide._setResolution(destinationZoomLevel);\r\n currSlide.applyCurrentZoomPan();\r\n\r\n // nothing to animate\r\n return;\r\n }\r\n\r\n pswp.animations.stopAllPan();\r\n\r\n pswp.animations.startSpring({\r\n isPan: true,\r\n start: 0,\r\n end: 1000,\r\n velocity: 0,\r\n dampingRatio: 1,\r\n naturalFrequency: 40,\r\n onUpdate: (now) => {\r\n now /= 1000; // 0 - start, 1 - end\r\n\r\n if (panNeedsChange || currZoomLevelNeedsChange) {\r\n if (panNeedsChange) {\r\n currSlide.pan.x = initialPan.x + (destinationPan.x - initialPan.x) * now;\r\n currSlide.pan.y = initialPan.y + (destinationPan.y - initialPan.y) * now;\r\n }\r\n\r\n if (currZoomLevelNeedsChange) {\r\n const newZoomLevel = prevZoomLevel\r\n + (destinationZoomLevel - prevZoomLevel) * now;\r\n currSlide.setZoomLevel(newZoomLevel);\r\n }\r\n\r\n currSlide.applyCurrentZoomPan();\r\n }\r\n\r\n // Restore background opacity\r\n if (restoreBgOpacity && pswp.bgOpacity < 1) {\r\n // We clamp opacity to keep it between 0 and 1.\r\n // As progress ratio can be larger than 1 due to overshoot,\r\n // and we do not want to bounce opacity.\r\n pswp.applyBgOpacity(clamp(\r\n initialBgOpacity + (1 - initialBgOpacity) * now, 0, 1\r\n ));\r\n }\r\n },\r\n onComplete: () => {\r\n // update resolution after transition ends\r\n currSlide._setResolution(destinationZoomLevel);\r\n currSlide.applyCurrentZoomPan();\r\n }\r\n });\r\n }\r\n}\r\n\r\nexport default ZoomHandler;\r\n", "/**\r\n * @template {string} T\r\n * @template {string} P\r\n * @typedef {import('../types.js').AddPostfix} AddPostfix\r\n */\r\n\r\n/** @typedef {import('./gestures.js').default} Gestures */\r\n/** @typedef {import('../photoswipe.js').Point} Point */\r\n\r\n/** @typedef {'imageClick' | 'bgClick' | 'tap' | 'doubleTap'} Actions */\r\n\r\n/**\r\n * Whether the tap was performed on the main slide\r\n * (rather than controls or caption).\r\n *\r\n * @param {PointerEvent} event\r\n * @returns {boolean}\r\n */\r\nfunction didTapOnMainContent(event) {\r\n return !!(/** @type {HTMLElement} */ (event.target).closest('.pswp__container'));\r\n}\r\n\r\n/**\r\n * Tap, double-tap handler.\r\n */\r\nclass TapHandler {\r\n /**\r\n * @param {Gestures} gestures\r\n */\r\n constructor(gestures) {\r\n this.gestures = gestures;\r\n }\r\n\r\n /**\r\n * @param {Point} point\r\n * @param {PointerEvent} originalEvent\r\n */\r\n click(point, originalEvent) {\r\n const targetClassList = /** @type {HTMLElement} */ (originalEvent.target).classList;\r\n const isImageClick = targetClassList.contains('pswp__img');\r\n const isBackgroundClick = targetClassList.contains('pswp__item')\r\n || targetClassList.contains('pswp__zoom-wrap');\r\n\r\n if (isImageClick) {\r\n this._doClickOrTapAction('imageClick', point, originalEvent);\r\n } else if (isBackgroundClick) {\r\n this._doClickOrTapAction('bgClick', point, originalEvent);\r\n }\r\n }\r\n\r\n /**\r\n * @param {Point} point\r\n * @param {PointerEvent} originalEvent\r\n */\r\n tap(point, originalEvent) {\r\n if (didTapOnMainContent(originalEvent)) {\r\n this._doClickOrTapAction('tap', point, originalEvent);\r\n }\r\n }\r\n\r\n /**\r\n * @param {Point} point\r\n * @param {PointerEvent} originalEvent\r\n */\r\n doubleTap(point, originalEvent) {\r\n if (didTapOnMainContent(originalEvent)) {\r\n this._doClickOrTapAction('doubleTap', point, originalEvent);\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {Actions} actionName\r\n * @param {Point} point\r\n * @param {PointerEvent} originalEvent\r\n */\r\n _doClickOrTapAction(actionName, point, originalEvent) {\r\n const { pswp } = this.gestures;\r\n const { currSlide } = pswp;\r\n const actionFullName = /** @type {AddPostfix} */ (actionName + 'Action');\r\n const optionValue = pswp.options[actionFullName];\r\n\r\n if (pswp.dispatch(actionFullName, { point, originalEvent }).defaultPrevented) {\r\n return;\r\n }\r\n\r\n if (typeof optionValue === 'function') {\r\n optionValue.call(pswp, point, originalEvent);\r\n return;\r\n }\r\n\r\n switch (optionValue) {\r\n case 'close':\r\n case 'next':\r\n pswp[optionValue]();\r\n break;\r\n case 'zoom':\r\n currSlide?.toggleZoom(point);\r\n break;\r\n case 'zoom-or-close':\r\n // by default click zooms current image,\r\n // if it can not be zoomed - gallery will be closed\r\n if (currSlide?.isZoomable()\r\n && currSlide.zoomLevels.secondary !== currSlide.zoomLevels.initial) {\r\n currSlide.toggleZoom(point);\r\n } else if (pswp.options.clickToCloseNonZoomable) {\r\n pswp.close();\r\n }\r\n break;\r\n case 'toggle-controls':\r\n this.gestures.pswp.element?.classList.toggle('pswp--ui-visible');\r\n // if (_controlsVisible) {\r\n // _ui.hideControls();\r\n // } else {\r\n // _ui.showControls();\r\n // }\r\n break;\r\n }\r\n }\r\n}\r\n\r\nexport default TapHandler;\r\n", "import {\r\n equalizePoints, pointsEqual, getDistanceBetween\r\n} from '../util/util.js';\r\n\r\nimport DragHandler from './drag-handler.js';\r\nimport ZoomHandler from './zoom-handler.js';\r\nimport TapHandler from './tap-handler.js';\r\n\r\n/** @typedef {import('../photoswipe.js').default} PhotoSwipe */\r\n/** @typedef {import('../photoswipe.js').Point} Point */\r\n\r\n// How far should user should drag\r\n// until we can determine that the gesture is swipe and its direction\r\nconst AXIS_SWIPE_HYSTERISIS = 10;\r\n//const PAN_END_FRICTION = 0.35;\r\n\r\nconst DOUBLE_TAP_DELAY = 300; // ms\r\nconst MIN_TAP_DISTANCE = 25; // px\r\n\r\n/**\r\n * Gestures class bind touch, pointer or mouse events\r\n * and emits drag to drag-handler and zoom events zoom-handler.\r\n *\r\n * Drag and zoom events are emited in requestAnimationFrame,\r\n * and only when one of pointers was actually changed.\r\n */\r\nclass Gestures {\r\n /**\r\n * @param {PhotoSwipe} pswp\r\n */\r\n constructor(pswp) {\r\n this.pswp = pswp;\r\n\r\n /** @type {'x' | 'y' | null} */\r\n this.dragAxis = null;\r\n\r\n // point objects are defined once and reused\r\n // PhotoSwipe keeps track only of two pointers, others are ignored\r\n /** @type {Point} */\r\n this.p1 = { x: 0, y: 0 }; // the first pressed pointer\r\n /** @type {Point} */\r\n this.p2 = { x: 0, y: 0 }; // the second pressed pointer\r\n /** @type {Point} */\r\n this.prevP1 = { x: 0, y: 0 };\r\n /** @type {Point} */\r\n this.prevP2 = { x: 0, y: 0 };\r\n /** @type {Point} */\r\n this.startP1 = { x: 0, y: 0 };\r\n /** @type {Point} */\r\n this.startP2 = { x: 0, y: 0 };\r\n /** @type {Point} */\r\n this.velocity = { x: 0, y: 0 };\r\n\r\n /** @type {Point}\r\n * @private\r\n */\r\n this._lastStartP1 = { x: 0, y: 0 };\r\n /** @type {Point}\r\n * @private\r\n */\r\n this._intervalP1 = { x: 0, y: 0 };\r\n /** @private */\r\n this._numActivePoints = 0;\r\n /** @type {Point[]}\r\n * @private\r\n */\r\n this._ongoingPointers = [];\r\n /** @private */\r\n this._touchEventEnabled = 'ontouchstart' in window;\r\n /** @private */\r\n this._pointerEventEnabled = !!(window.PointerEvent);\r\n this.supportsTouch = this._touchEventEnabled\r\n || (this._pointerEventEnabled && navigator.maxTouchPoints > 1);\r\n /** @private */\r\n this._numActivePoints = 0;\r\n /** @private */\r\n this._intervalTime = 0;\r\n /** @private */\r\n this._velocityCalculated = false;\r\n this.isMultitouch = false;\r\n this.isDragging = false;\r\n this.isZooming = false;\r\n /** @type {number | null} */\r\n this.raf = null;\r\n /** @type {NodeJS.Timeout | null}\r\n * @private\r\n */\r\n this._tapTimer = null;\r\n\r\n if (!this.supportsTouch) {\r\n // disable pan to next slide for non-touch devices\r\n pswp.options.allowPanToNext = false;\r\n }\r\n\r\n this.drag = new DragHandler(this);\r\n this.zoomLevels = new ZoomHandler(this);\r\n this.tapHandler = new TapHandler(this);\r\n\r\n pswp.on('bindEvents', () => {\r\n pswp.events.add(\r\n pswp.scrollWrap,\r\n 'click',\r\n /** @type EventListener */(this._onClick.bind(this))\r\n );\r\n\r\n if (this._pointerEventEnabled) {\r\n this._bindEvents('pointer', 'down', 'up', 'cancel');\r\n } else if (this._touchEventEnabled) {\r\n this._bindEvents('touch', 'start', 'end', 'cancel');\r\n\r\n // In previous versions we also bound mouse event here,\r\n // in case device supports both touch and mouse events,\r\n // but newer versions of browsers now support PointerEvent.\r\n\r\n // on iOS10 if you bind touchmove/end after touchstart,\r\n // and you don't preventDefault touchstart (which PhotoSwipe does),\r\n // preventDefault will have no effect on touchmove and touchend.\r\n // Unless you bind it previously.\r\n if (pswp.scrollWrap) {\r\n pswp.scrollWrap.ontouchmove = () => {};\r\n pswp.scrollWrap.ontouchend = () => {};\r\n }\r\n } else {\r\n this._bindEvents('mouse', 'down', 'up');\r\n }\r\n });\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {'mouse' | 'touch' | 'pointer'} pref\r\n * @param {'down' | 'start'} down\r\n * @param {'up' | 'end'} up\r\n * @param {'cancel'} [cancel]\r\n */\r\n _bindEvents(pref, down, up, cancel) {\r\n const { pswp } = this;\r\n const { events } = pswp;\r\n\r\n const cancelEvent = cancel ? pref + cancel : '';\r\n\r\n events.add(\r\n pswp.scrollWrap,\r\n pref + down,\r\n /** @type EventListener */(this.onPointerDown.bind(this))\r\n );\r\n events.add(window, pref + 'move', /** @type EventListener */(this.onPointerMove.bind(this)));\r\n events.add(window, pref + up, /** @type EventListener */(this.onPointerUp.bind(this)));\r\n if (cancelEvent) {\r\n events.add(\r\n pswp.scrollWrap,\r\n cancelEvent,\r\n /** @type EventListener */(this.onPointerUp.bind(this))\r\n );\r\n }\r\n }\r\n\r\n /**\r\n * @param {PointerEvent} e\r\n */\r\n onPointerDown(e) {\r\n // We do not call preventDefault for touch events\r\n // to allow browser to show native dialog on longpress\r\n // (the one that allows to save image or open it in new tab).\r\n //\r\n // Desktop Safari allows to drag images when preventDefault isn't called on mousedown,\r\n // even though preventDefault IS called on mousemove. That's why we preventDefault mousedown.\r\n const isMousePointer = e.type === 'mousedown' || e.pointerType === 'mouse';\r\n\r\n // Allow dragging only via left mouse button.\r\n // http://www.quirksmode.org/js/events_properties.html\r\n // https://developer.mozilla.org/en-US/docs/Web/API/event.button\r\n if (isMousePointer && e.button > 0) {\r\n return;\r\n }\r\n\r\n const { pswp } = this;\r\n\r\n // if PhotoSwipe is opening or closing\r\n if (!pswp.opener.isOpen) {\r\n e.preventDefault();\r\n return;\r\n }\r\n\r\n if (pswp.dispatch('pointerDown', { originalEvent: e }).defaultPrevented) {\r\n return;\r\n }\r\n\r\n if (isMousePointer) {\r\n pswp.mouseDetected();\r\n\r\n // preventDefault mouse event to prevent\r\n // browser image drag feature\r\n this._preventPointerEventBehaviour(e, 'down');\r\n }\r\n\r\n pswp.animations.stopAll();\r\n\r\n this._updatePoints(e, 'down');\r\n\r\n if (this._numActivePoints === 1) {\r\n this.dragAxis = null;\r\n // we need to store initial point to determine the main axis,\r\n // drag is activated only after the axis is determined\r\n equalizePoints(this.startP1, this.p1);\r\n }\r\n\r\n if (this._numActivePoints > 1) {\r\n // Tap or double tap should not trigger if more than one pointer\r\n this._clearTapTimer();\r\n this.isMultitouch = true;\r\n } else {\r\n this.isMultitouch = false;\r\n }\r\n }\r\n\r\n /**\r\n * @param {PointerEvent} e\r\n */\r\n onPointerMove(e) {\r\n this._preventPointerEventBehaviour(e, 'move');\r\n\r\n if (!this._numActivePoints) {\r\n return;\r\n }\r\n\r\n this._updatePoints(e, 'move');\r\n\r\n if (this.pswp.dispatch('pointerMove', { originalEvent: e }).defaultPrevented) {\r\n return;\r\n }\r\n\r\n if (this._numActivePoints === 1 && !this.isDragging) {\r\n if (!this.dragAxis) {\r\n this._calculateDragDirection();\r\n }\r\n\r\n // Drag axis was detected, emit drag.start\r\n if (this.dragAxis && !this.isDragging) {\r\n if (this.isZooming) {\r\n this.isZooming = false;\r\n this.zoomLevels.end();\r\n }\r\n\r\n this.isDragging = true;\r\n this._clearTapTimer(); // Tap can not trigger after drag\r\n\r\n // Adjust starting point\r\n this._updateStartPoints();\r\n this._intervalTime = Date.now();\r\n //this._startTime = this._intervalTime;\r\n this._velocityCalculated = false;\r\n equalizePoints(this._intervalP1, this.p1);\r\n this.velocity.x = 0;\r\n this.velocity.y = 0;\r\n this.drag.start();\r\n\r\n this._rafStopLoop();\r\n this._rafRenderLoop();\r\n }\r\n } else if (this._numActivePoints > 1 && !this.isZooming) {\r\n this._finishDrag();\r\n\r\n this.isZooming = true;\r\n\r\n // Adjust starting points\r\n this._updateStartPoints();\r\n\r\n this.zoomLevels.start();\r\n\r\n this._rafStopLoop();\r\n this._rafRenderLoop();\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n */\r\n _finishDrag() {\r\n if (this.isDragging) {\r\n this.isDragging = false;\r\n\r\n // Try to calculate velocity,\r\n // if it wasn't calculated yet in drag.change\r\n if (!this._velocityCalculated) {\r\n this._updateVelocity(true);\r\n }\r\n\r\n this.drag.end();\r\n this.dragAxis = null;\r\n }\r\n }\r\n\r\n /**\r\n * @param {PointerEvent} e\r\n */\r\n onPointerUp(e) {\r\n if (!this._numActivePoints) {\r\n return;\r\n }\r\n\r\n this._updatePoints(e, 'up');\r\n\r\n if (this.pswp.dispatch('pointerUp', { originalEvent: e }).defaultPrevented) {\r\n return;\r\n }\r\n\r\n if (this._numActivePoints === 0) {\r\n this._rafStopLoop();\r\n\r\n if (this.isDragging) {\r\n this._finishDrag();\r\n } else if (!this.isZooming && !this.isMultitouch) {\r\n //this.zoomLevels.correctZoomPan();\r\n this._finishTap(e);\r\n }\r\n }\r\n\r\n if (this._numActivePoints < 2 && this.isZooming) {\r\n this.isZooming = false;\r\n this.zoomLevels.end();\r\n\r\n if (this._numActivePoints === 1) {\r\n // Since we have 1 point left, we need to reinitiate drag\r\n this.dragAxis = null;\r\n this._updateStartPoints();\r\n }\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n */\r\n _rafRenderLoop() {\r\n if (this.isDragging || this.isZooming) {\r\n this._updateVelocity();\r\n\r\n if (this.isDragging) {\r\n // make sure that pointer moved since the last update\r\n if (!pointsEqual(this.p1, this.prevP1)) {\r\n this.drag.change();\r\n }\r\n } else /* if (this.isZooming) */ {\r\n if (!pointsEqual(this.p1, this.prevP1)\r\n || !pointsEqual(this.p2, this.prevP2)) {\r\n this.zoomLevels.change();\r\n }\r\n }\r\n\r\n this._updatePrevPoints();\r\n this.raf = requestAnimationFrame(this._rafRenderLoop.bind(this));\r\n }\r\n }\r\n\r\n /**\r\n * Update velocity at 50ms interval\r\n *\r\n * @private\r\n * @param {boolean} [force]\r\n */\r\n _updateVelocity(force) {\r\n const time = Date.now();\r\n const duration = time - this._intervalTime;\r\n\r\n if (duration < 50 && !force) {\r\n return;\r\n }\r\n\r\n\r\n this.velocity.x = this._getVelocity('x', duration);\r\n this.velocity.y = this._getVelocity('y', duration);\r\n\r\n this._intervalTime = time;\r\n equalizePoints(this._intervalP1, this.p1);\r\n this._velocityCalculated = true;\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {PointerEvent} e\r\n */\r\n _finishTap(e) {\r\n const { mainScroll } = this.pswp;\r\n\r\n // Do not trigger tap events if main scroll is shifted\r\n if (mainScroll.isShifted()) {\r\n // restore main scroll position\r\n // (usually happens if stopped in the middle of animation)\r\n mainScroll.moveIndexBy(0, true);\r\n return;\r\n }\r\n\r\n // Do not trigger tap for touchcancel or pointercancel\r\n if (e.type.indexOf('cancel') > 0) {\r\n return;\r\n }\r\n\r\n // Trigger click instead of tap for mouse events\r\n if (e.type === 'mouseup' || e.pointerType === 'mouse') {\r\n this.tapHandler.click(this.startP1, e);\r\n return;\r\n }\r\n\r\n // Disable delay if there is no doubleTapAction\r\n const tapDelay = this.pswp.options.doubleTapAction ? DOUBLE_TAP_DELAY : 0;\r\n\r\n // If tapTimer is defined - we tapped recently,\r\n // check if the current tap is close to the previous one,\r\n // if yes - trigger double tap\r\n if (this._tapTimer) {\r\n this._clearTapTimer();\r\n // Check if two taps were more or less on the same place\r\n if (getDistanceBetween(this._lastStartP1, this.startP1) < MIN_TAP_DISTANCE) {\r\n this.tapHandler.doubleTap(this.startP1, e);\r\n }\r\n } else {\r\n equalizePoints(this._lastStartP1, this.startP1);\r\n this._tapTimer = setTimeout(() => {\r\n this.tapHandler.tap(this.startP1, e);\r\n this._clearTapTimer();\r\n }, tapDelay);\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n */\r\n _clearTapTimer() {\r\n if (this._tapTimer) {\r\n clearTimeout(this._tapTimer);\r\n this._tapTimer = null;\r\n }\r\n }\r\n\r\n /**\r\n * Get velocity for axis\r\n *\r\n * @private\r\n * @param {'x' | 'y'} axis\r\n * @param {number} duration\r\n * @returns {number}\r\n */\r\n _getVelocity(axis, duration) {\r\n // displacement is like distance, but can be negative.\r\n const displacement = this.p1[axis] - this._intervalP1[axis];\r\n\r\n if (Math.abs(displacement) > 1 && duration > 5) {\r\n return displacement / duration;\r\n }\r\n\r\n return 0;\r\n }\r\n\r\n /**\r\n * @private\r\n */\r\n _rafStopLoop() {\r\n if (this.raf) {\r\n cancelAnimationFrame(this.raf);\r\n this.raf = null;\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {PointerEvent} e\r\n * @param {'up' | 'down' | 'move'} pointerType Normalized pointer type\r\n */\r\n _preventPointerEventBehaviour(e, pointerType) {\r\n const preventPointerEvent = this.pswp.applyFilters('preventPointerEvent', true, e, pointerType);\r\n if (preventPointerEvent) {\r\n e.preventDefault();\r\n }\r\n }\r\n\r\n /**\r\n * Parses and normalizes points from the touch, mouse or pointer event.\r\n * Updates p1 and p2.\r\n *\r\n * @private\r\n * @param {PointerEvent | TouchEvent} e\r\n * @param {'up' | 'down' | 'move'} pointerType Normalized pointer type\r\n */\r\n _updatePoints(e, pointerType) {\r\n if (this._pointerEventEnabled) {\r\n const pointerEvent = /** @type {PointerEvent} */ (e);\r\n // Try to find the current pointer in ongoing pointers by its ID\r\n const pointerIndex = this._ongoingPointers.findIndex((ongoingPointer) => {\r\n return ongoingPointer.id === pointerEvent.pointerId;\r\n });\r\n\r\n if (pointerType === 'up' && pointerIndex > -1) {\r\n // release the pointer - remove it from ongoing\r\n this._ongoingPointers.splice(pointerIndex, 1);\r\n } else if (pointerType === 'down' && pointerIndex === -1) {\r\n // add new pointer\r\n this._ongoingPointers.push(this._convertEventPosToPoint(pointerEvent, { x: 0, y: 0 }));\r\n } else if (pointerIndex > -1) {\r\n // update existing pointer\r\n this._convertEventPosToPoint(pointerEvent, this._ongoingPointers[pointerIndex]);\r\n }\r\n\r\n this._numActivePoints = this._ongoingPointers.length;\r\n\r\n // update points that PhotoSwipe uses\r\n // to calculate position and scale\r\n if (this._numActivePoints > 0) {\r\n equalizePoints(this.p1, this._ongoingPointers[0]);\r\n }\r\n\r\n if (this._numActivePoints > 1) {\r\n equalizePoints(this.p2, this._ongoingPointers[1]);\r\n }\r\n } else {\r\n const touchEvent = /** @type {TouchEvent} */ (e);\r\n\r\n this._numActivePoints = 0;\r\n if (touchEvent.type.indexOf('touch') > -1) {\r\n // Touch Event\r\n // https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent\r\n if (touchEvent.touches && touchEvent.touches.length > 0) {\r\n this._convertEventPosToPoint(touchEvent.touches[0], this.p1);\r\n this._numActivePoints++;\r\n if (touchEvent.touches.length > 1) {\r\n this._convertEventPosToPoint(touchEvent.touches[1], this.p2);\r\n this._numActivePoints++;\r\n }\r\n }\r\n } else {\r\n // Mouse Event\r\n this._convertEventPosToPoint(/** @type {PointerEvent} */ (e), this.p1);\r\n if (pointerType === 'up') {\r\n // clear all points on mouseup\r\n this._numActivePoints = 0;\r\n } else {\r\n this._numActivePoints++;\r\n }\r\n }\r\n }\r\n }\r\n\r\n /** update points that were used during previous rAF tick\r\n * @private\r\n */\r\n _updatePrevPoints() {\r\n equalizePoints(this.prevP1, this.p1);\r\n equalizePoints(this.prevP2, this.p2);\r\n }\r\n\r\n /** update points at the start of gesture\r\n * @private\r\n */\r\n _updateStartPoints() {\r\n equalizePoints(this.startP1, this.p1);\r\n equalizePoints(this.startP2, this.p2);\r\n this._updatePrevPoints();\r\n }\r\n\r\n /** @private */\r\n _calculateDragDirection() {\r\n if (this.pswp.mainScroll.isShifted()) {\r\n // if main scroll position is shifted – direction is always horizontal\r\n this.dragAxis = 'x';\r\n } else {\r\n // calculate delta of the last touchmove tick\r\n const diff = Math.abs(this.p1.x - this.startP1.x) - Math.abs(this.p1.y - this.startP1.y);\r\n\r\n if (diff !== 0) {\r\n // check if pointer was shifted horizontally or vertically\r\n const axisToCheck = diff > 0 ? 'x' : 'y';\r\n\r\n if (Math.abs(this.p1[axisToCheck] - this.startP1[axisToCheck]) >= AXIS_SWIPE_HYSTERISIS) {\r\n this.dragAxis = axisToCheck;\r\n }\r\n }\r\n }\r\n }\r\n\r\n /**\r\n * Converts touch, pointer or mouse event\r\n * to PhotoSwipe point.\r\n *\r\n * @private\r\n * @param {Touch | PointerEvent} e\r\n * @param {Point} p\r\n * @returns {Point}\r\n */\r\n _convertEventPosToPoint(e, p) {\r\n p.x = e.pageX - this.pswp.offset.x;\r\n p.y = e.pageY - this.pswp.offset.y;\r\n\r\n if ('pointerId' in e) {\r\n p.id = e.pointerId;\r\n } else if (e.identifier !== undefined) {\r\n p.id = e.identifier;\r\n }\r\n\r\n return p;\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {PointerEvent} e\r\n */\r\n _onClick(e) {\r\n // Do not allow click event to pass through after drag\r\n if (this.pswp.mainScroll.isShifted()) {\r\n e.preventDefault();\r\n e.stopPropagation();\r\n }\r\n }\r\n}\r\n\r\nexport default Gestures;\r\n", "import {\r\n setTransform,\r\n createElement,\r\n} from './util/util.js';\r\n\r\n/** @typedef {import('./photoswipe.js').default} PhotoSwipe */\r\n/** @typedef {import('./slide/slide.js').default} Slide */\r\n\r\n/** @typedef {{ el: HTMLDivElement; slide?: Slide }} ItemHolder */\r\n\r\nconst MAIN_SCROLL_END_FRICTION = 0.35;\r\n\r\n\r\n// const MIN_SWIPE_TRANSITION_DURATION = 250;\r\n// const MAX_SWIPE_TRABSITION_DURATION = 500;\r\n// const DEFAULT_SWIPE_TRANSITION_DURATION = 333;\r\n\r\n/**\r\n * Handles movement of the main scrolling container\r\n * (for example, it repositions when user swipes left or right).\r\n *\r\n * Also stores its state.\r\n */\r\nclass MainScroll {\r\n /**\r\n * @param {PhotoSwipe} pswp\r\n */\r\n constructor(pswp) {\r\n this.pswp = pswp;\r\n this.x = 0;\r\n this.slideWidth = 0;\r\n /** @private */\r\n this._currPositionIndex = 0;\r\n /** @private */\r\n this._prevPositionIndex = 0;\r\n /** @private */\r\n this._containerShiftIndex = -1;\r\n\r\n /** @type {ItemHolder[]} */\r\n this.itemHolders = [];\r\n }\r\n\r\n /**\r\n * Position the scroller and slide containers\r\n * according to viewport size.\r\n *\r\n * @param {boolean} [resizeSlides] Whether slides content should resized\r\n */\r\n resize(resizeSlides) {\r\n const { pswp } = this;\r\n const newSlideWidth = Math.round(\r\n pswp.viewportSize.x + pswp.viewportSize.x * pswp.options.spacing\r\n );\r\n // Mobile browsers might trigger a resize event during a gesture.\r\n // (due to toolbar appearing or hiding).\r\n // Avoid re-adjusting main scroll position if width wasn't changed\r\n const slideWidthChanged = (newSlideWidth !== this.slideWidth);\r\n\r\n if (slideWidthChanged) {\r\n this.slideWidth = newSlideWidth;\r\n this.moveTo(this.getCurrSlideX());\r\n }\r\n\r\n this.itemHolders.forEach((itemHolder, index) => {\r\n if (slideWidthChanged) {\r\n setTransform(itemHolder.el, (index + this._containerShiftIndex)\r\n * this.slideWidth);\r\n }\r\n\r\n if (resizeSlides && itemHolder.slide) {\r\n itemHolder.slide.resize();\r\n }\r\n });\r\n }\r\n\r\n /**\r\n * Reset X position of the main scroller to zero\r\n */\r\n resetPosition() {\r\n // Position on the main scroller (offset)\r\n // it is independent from slide index\r\n this._currPositionIndex = 0;\r\n this._prevPositionIndex = 0;\r\n\r\n // This will force recalculation of size on next resize()\r\n this.slideWidth = 0;\r\n\r\n // _containerShiftIndex*viewportSize will give you amount of transform of the current slide\r\n this._containerShiftIndex = -1;\r\n }\r\n\r\n /**\r\n * Create and append array of three items\r\n * that hold data about slides in DOM\r\n */\r\n appendHolders() {\r\n this.itemHolders = [];\r\n\r\n // append our three slide holders -\r\n // previous, current, and next\r\n for (let i = 0; i < 3; i++) {\r\n const el = createElement('pswp__item', 'div', this.pswp.container);\r\n el.setAttribute('role', 'group');\r\n el.setAttribute('aria-roledescription', 'slide');\r\n el.setAttribute('aria-hidden', 'true');\r\n\r\n // hide nearby item holders until initial zoom animation finishes (to avoid extra Paints)\r\n el.style.display = (i === 1) ? 'block' : 'none';\r\n\r\n this.itemHolders.push({\r\n el,\r\n //index: -1\r\n });\r\n }\r\n }\r\n\r\n /**\r\n * Whether the main scroll can be horizontally swiped to the next or previous slide.\r\n * @returns {boolean}\r\n */\r\n canBeSwiped() {\r\n return this.pswp.getNumItems() > 1;\r\n }\r\n\r\n /**\r\n * Move main scroll by X amount of slides.\r\n * For example:\r\n * `-1` will move to the previous slide,\r\n * `0` will reset the scroll position of the current slide,\r\n * `3` will move three slides forward\r\n *\r\n * If loop option is enabled - index will be automatically looped too,\r\n * (for example `-1` will move to the last slide of the gallery).\r\n *\r\n * @param {number} diff\r\n * @param {boolean} [animate]\r\n * @param {number} [velocityX]\r\n * @returns {boolean} whether index was changed or not\r\n */\r\n moveIndexBy(diff, animate, velocityX) {\r\n const { pswp } = this;\r\n let newIndex = pswp.potentialIndex + diff;\r\n const numSlides = pswp.getNumItems();\r\n\r\n if (pswp.canLoop()) {\r\n newIndex = pswp.getLoopedIndex(newIndex);\r\n const distance = (diff + numSlides) % numSlides;\r\n if (distance <= numSlides / 2) {\r\n // go forward\r\n diff = distance;\r\n } else {\r\n // go backwards\r\n diff = distance - numSlides;\r\n }\r\n } else {\r\n if (newIndex < 0) {\r\n newIndex = 0;\r\n } else if (newIndex >= numSlides) {\r\n newIndex = numSlides - 1;\r\n }\r\n diff = newIndex - pswp.potentialIndex;\r\n }\r\n\r\n pswp.potentialIndex = newIndex;\r\n this._currPositionIndex -= diff;\r\n\r\n pswp.animations.stopMainScroll();\r\n\r\n const destinationX = this.getCurrSlideX();\r\n if (!animate) {\r\n this.moveTo(destinationX);\r\n this.updateCurrItem();\r\n } else {\r\n pswp.animations.startSpring({\r\n isMainScroll: true,\r\n start: this.x,\r\n end: destinationX,\r\n velocity: velocityX || 0,\r\n naturalFrequency: 30,\r\n dampingRatio: 1, //0.7,\r\n onUpdate: (x) => {\r\n this.moveTo(x);\r\n },\r\n onComplete: () => {\r\n this.updateCurrItem();\r\n pswp.appendHeavy();\r\n }\r\n });\r\n\r\n let currDiff = pswp.potentialIndex - pswp.currIndex;\r\n if (pswp.canLoop()) {\r\n const currDistance = (currDiff + numSlides) % numSlides;\r\n if (currDistance <= numSlides / 2) {\r\n // go forward\r\n currDiff = currDistance;\r\n } else {\r\n // go backwards\r\n currDiff = currDistance - numSlides;\r\n }\r\n }\r\n\r\n // Force-append new slides during transition\r\n // if difference between slides is more than 1\r\n if (Math.abs(currDiff) > 1) {\r\n this.updateCurrItem();\r\n }\r\n }\r\n\r\n return Boolean(diff);\r\n }\r\n\r\n /**\r\n * X position of the main scroll for the current slide\r\n * (ignores position during dragging)\r\n * @returns {number}\r\n */\r\n getCurrSlideX() {\r\n return this.slideWidth * this._currPositionIndex;\r\n }\r\n\r\n /**\r\n * Whether scroll position is shifted.\r\n * For example, it will return true if the scroll is being dragged or animated.\r\n * @returns {boolean}\r\n */\r\n isShifted() {\r\n return this.x !== this.getCurrSlideX();\r\n }\r\n\r\n /**\r\n * Update slides X positions and set their content\r\n */\r\n updateCurrItem() {\r\n const { pswp } = this;\r\n const positionDifference = this._prevPositionIndex - this._currPositionIndex;\r\n\r\n if (!positionDifference) {\r\n return;\r\n }\r\n\r\n this._prevPositionIndex = this._currPositionIndex;\r\n\r\n pswp.currIndex = pswp.potentialIndex;\r\n\r\n let diffAbs = Math.abs(positionDifference);\r\n /** @type {ItemHolder | undefined} */\r\n let tempHolder;\r\n\r\n if (diffAbs >= 3) {\r\n this._containerShiftIndex += positionDifference + (positionDifference > 0 ? -3 : 3);\r\n diffAbs = 3;\r\n\r\n // If slides are changed by 3 screens or more - clean up previous slides\r\n this.itemHolders.forEach((itemHolder) => {\r\n itemHolder.slide?.destroy();\r\n itemHolder.slide = undefined;\r\n });\r\n }\r\n\r\n for (let i = 0; i < diffAbs; i++) {\r\n if (positionDifference > 0) {\r\n tempHolder = this.itemHolders.shift();\r\n if (tempHolder) {\r\n this.itemHolders[2] = tempHolder; // move first to last\r\n\r\n this._containerShiftIndex++;\r\n\r\n setTransform(tempHolder.el, (this._containerShiftIndex + 2) * this.slideWidth);\r\n\r\n pswp.setContent(tempHolder, (pswp.currIndex - diffAbs) + i + 2);\r\n }\r\n } else {\r\n tempHolder = this.itemHolders.pop();\r\n if (tempHolder) {\r\n this.itemHolders.unshift(tempHolder); // move last to first\r\n\r\n this._containerShiftIndex--;\r\n\r\n setTransform(tempHolder.el, this._containerShiftIndex * this.slideWidth);\r\n\r\n pswp.setContent(tempHolder, (pswp.currIndex + diffAbs) - i - 2);\r\n }\r\n }\r\n }\r\n\r\n // Reset transfrom every 50ish navigations in one direction.\r\n //\r\n // Otherwise transform will keep growing indefinitely,\r\n // which might cause issues as browsers have a maximum transform limit.\r\n // I wasn't able to reach it, but just to be safe.\r\n // This should not cause noticable lag.\r\n if (Math.abs(this._containerShiftIndex) > 50 && !this.isShifted()) {\r\n this.resetPosition();\r\n this.resize();\r\n }\r\n\r\n // Pan transition might be running (and consntantly updating pan position)\r\n pswp.animations.stopAllPan();\r\n\r\n this.itemHolders.forEach((itemHolder, i) => {\r\n if (itemHolder.slide) {\r\n // Slide in the 2nd holder is always active\r\n itemHolder.slide.setIsActive(i === 1);\r\n }\r\n });\r\n\r\n pswp.currSlide = this.itemHolders[1]?.slide;\r\n pswp.contentLoader.updateLazy(positionDifference);\r\n\r\n if (pswp.currSlide) {\r\n pswp.currSlide.applyCurrentZoomPan();\r\n }\r\n\r\n pswp.dispatch('change');\r\n }\r\n\r\n /**\r\n * Move the X position of the main scroll container\r\n *\r\n * @param {number} x\r\n * @param {boolean} [dragging]\r\n */\r\n moveTo(x, dragging) {\r\n if (!this.pswp.canLoop() && dragging) {\r\n // Apply friction\r\n let newSlideIndexOffset = ((this.slideWidth * this._currPositionIndex) - x) / this.slideWidth;\r\n newSlideIndexOffset += this.pswp.currIndex;\r\n const delta = Math.round(x - this.x);\r\n\r\n if ((newSlideIndexOffset < 0 && delta > 0)\r\n || (newSlideIndexOffset >= this.pswp.getNumItems() - 1 && delta < 0)) {\r\n x = this.x + (delta * MAIN_SCROLL_END_FRICTION);\r\n }\r\n }\r\n\r\n this.x = x;\r\n\r\n if (this.pswp.container) {\r\n setTransform(this.pswp.container, x);\r\n }\r\n\r\n this.pswp.dispatch('moveMainScroll', { x, dragging: dragging ?? false });\r\n }\r\n}\r\n\r\nexport default MainScroll;\r\n", "import { specialKeyUsed } from './util/util.js';\r\n\r\n/** @typedef {import('./photoswipe.js').default} PhotoSwipe */\r\n\r\n/**\r\n * @template T\r\n * @typedef {import('./types.js').Methods} Methods\r\n */\r\n\r\nconst KeyboardKeyCodesMap = {\r\n Escape: 27,\r\n z: 90,\r\n ArrowLeft: 37,\r\n ArrowUp: 38,\r\n ArrowRight: 39,\r\n ArrowDown: 40,\r\n Tab: 9,\r\n};\r\n\r\n/**\r\n * @template {keyof KeyboardKeyCodesMap} T\r\n * @param {T} key\r\n * @param {boolean} isKeySupported\r\n * @returns {T | number | undefined}\r\n */\r\nconst getKeyboardEventKey = (key, isKeySupported) => {\r\n return isKeySupported ? key : KeyboardKeyCodesMap[key];\r\n};\r\n\r\n/**\r\n * - Manages keyboard shortcuts.\r\n * - Helps trap focus within photoswipe.\r\n */\r\nclass Keyboard {\r\n /**\r\n * @param {PhotoSwipe} pswp\r\n */\r\n constructor(pswp) {\r\n this.pswp = pswp;\r\n /** @private */\r\n this._wasFocused = false;\r\n\r\n pswp.on('bindEvents', () => {\r\n if (pswp.options.trapFocus) {\r\n // Dialog was likely opened by keyboard if initial point is not defined\r\n if (!pswp.options.initialPointerPos) {\r\n // focus causes layout,\r\n // which causes lag during the animation,\r\n // that's why we delay it until the opener transition ends\r\n this._focusRoot();\r\n }\r\n\r\n pswp.events.add(\r\n document,\r\n 'focusin',\r\n /** @type EventListener */(this._onFocusIn.bind(this))\r\n );\r\n }\r\n\r\n pswp.events.add(document, 'keydown', /** @type EventListener */(this._onKeyDown.bind(this)));\r\n });\r\n\r\n const lastActiveElement = /** @type {HTMLElement} */ (document.activeElement);\r\n pswp.on('destroy', () => {\r\n if (pswp.options.returnFocus\r\n && lastActiveElement\r\n && this._wasFocused) {\r\n lastActiveElement.focus();\r\n }\r\n });\r\n }\r\n\r\n /** @private */\r\n _focusRoot() {\r\n if (!this._wasFocused && this.pswp.element) {\r\n this.pswp.element.focus();\r\n this._wasFocused = true;\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {KeyboardEvent} e\r\n */\r\n _onKeyDown(e) {\r\n const { pswp } = this;\r\n\r\n if (pswp.dispatch('keydown', { originalEvent: e }).defaultPrevented) {\r\n return;\r\n }\r\n\r\n if (specialKeyUsed(e)) {\r\n // don't do anything if special key pressed\r\n // to prevent from overriding default browser actions\r\n // for example, in Chrome on Mac cmd+arrow-left returns to previous page\r\n return;\r\n }\r\n\r\n /** @type {Methods | undefined} */\r\n let keydownAction;\r\n /** @type {'x' | 'y' | undefined} */\r\n let axis;\r\n let isForward = false;\r\n const isKeySupported = 'key' in e;\r\n\r\n switch (isKeySupported ? e.key : e.keyCode) {\r\n case getKeyboardEventKey('Escape', isKeySupported):\r\n if (pswp.options.escKey) {\r\n keydownAction = 'close';\r\n }\r\n break;\r\n case getKeyboardEventKey('z', isKeySupported):\r\n keydownAction = 'toggleZoom';\r\n break;\r\n case getKeyboardEventKey('ArrowLeft', isKeySupported):\r\n axis = 'x';\r\n break;\r\n case getKeyboardEventKey('ArrowUp', isKeySupported):\r\n axis = 'y';\r\n break;\r\n case getKeyboardEventKey('ArrowRight', isKeySupported):\r\n axis = 'x';\r\n isForward = true;\r\n break;\r\n case getKeyboardEventKey('ArrowDown', isKeySupported):\r\n isForward = true;\r\n axis = 'y';\r\n break;\r\n case getKeyboardEventKey('Tab', isKeySupported):\r\n this._focusRoot();\r\n break;\r\n default:\r\n }\r\n\r\n // if left/right/top/bottom key\r\n if (axis) {\r\n // prevent page scroll\r\n e.preventDefault();\r\n\r\n const { currSlide } = pswp;\r\n\r\n if (pswp.options.arrowKeys\r\n && axis === 'x'\r\n && pswp.getNumItems() > 1) {\r\n keydownAction = isForward ? 'next' : 'prev';\r\n } else if (currSlide && currSlide.currZoomLevel > currSlide.zoomLevels.fit) {\r\n // up/down arrow keys pan the image vertically\r\n // left/right arrow keys pan horizontally.\r\n // Unless there is only one image,\r\n // or arrowKeys option is disabled\r\n currSlide.pan[axis] += isForward ? -80 : 80;\r\n currSlide.panTo(currSlide.pan.x, currSlide.pan.y);\r\n }\r\n }\r\n\r\n if (keydownAction) {\r\n e.preventDefault();\r\n // @ts-ignore\r\n pswp[keydownAction]();\r\n }\r\n }\r\n\r\n /**\r\n * Trap focus inside photoswipe\r\n *\r\n * @private\r\n * @param {FocusEvent} e\r\n */\r\n _onFocusIn(e) {\r\n const { template } = this.pswp;\r\n if (template\r\n && document !== e.target\r\n && template !== e.target\r\n && !template.contains(/** @type {Node} */ (e.target))) {\r\n // focus root element\r\n template.focus();\r\n }\r\n }\r\n}\r\n\r\nexport default Keyboard;\r\n", "import { setTransitionStyle, removeTransitionStyle } from './util.js';\r\n\r\nconst DEFAULT_EASING = 'cubic-bezier(.4,0,.22,1)';\r\n\r\n/** @typedef {import('./animations.js').SharedAnimationProps} SharedAnimationProps */\r\n\r\n/** @typedef {Object} DefaultCssAnimationProps\r\n *\r\n * @prop {HTMLElement} target\r\n * @prop {number} [duration]\r\n * @prop {string} [easing]\r\n * @prop {string} [transform]\r\n * @prop {string} [opacity]\r\n * */\r\n\r\n/** @typedef {SharedAnimationProps & DefaultCssAnimationProps} CssAnimationProps */\r\n\r\n/**\r\n * Runs CSS transition.\r\n */\r\nclass CSSAnimation {\r\n /**\r\n * onComplete can be unpredictable, be careful about current state\r\n *\r\n * @param {CssAnimationProps} props\r\n */\r\n constructor(props) {\r\n this.props = props;\r\n const {\r\n target,\r\n onComplete,\r\n transform,\r\n onFinish = () => {},\r\n duration = 333,\r\n easing = DEFAULT_EASING,\r\n } = props;\r\n\r\n this.onFinish = onFinish;\r\n\r\n // support only transform and opacity\r\n const prop = transform ? 'transform' : 'opacity';\r\n const propValue = props[prop] ?? '';\r\n\r\n /** @private */\r\n this._target = target;\r\n /** @private */\r\n this._onComplete = onComplete;\r\n /** @private */\r\n this._finished = false;\r\n\r\n /** @private */\r\n this._onTransitionEnd = this._onTransitionEnd.bind(this);\r\n\r\n // Using timeout hack to make sure that animation\r\n // starts even if the animated property was changed recently,\r\n // otherwise transitionend might not fire or transition won't start.\r\n // https://drafts.csswg.org/css-transitions/#starting\r\n //\r\n // ¯\\_(ツ)_/¯\r\n /** @private */\r\n this._helperTimeout = setTimeout(() => {\r\n setTransitionStyle(target, prop, duration, easing);\r\n this._helperTimeout = setTimeout(() => {\r\n target.addEventListener('transitionend', this._onTransitionEnd, false);\r\n target.addEventListener('transitioncancel', this._onTransitionEnd, false);\r\n\r\n // Safari occasionally does not emit transitionend event\r\n // if element property was modified during the transition,\r\n // which may be caused by resize or third party component,\r\n // using timeout as a safety fallback\r\n this._helperTimeout = setTimeout(() => {\r\n this._finalizeAnimation();\r\n }, duration + 500);\r\n target.style[prop] = propValue;\r\n }, 30); // Do not reduce this number\r\n }, 0);\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {TransitionEvent} e\r\n */\r\n _onTransitionEnd(e) {\r\n if (e.target === this._target) {\r\n this._finalizeAnimation();\r\n }\r\n }\r\n\r\n /**\r\n * @private\r\n */\r\n _finalizeAnimation() {\r\n if (!this._finished) {\r\n this._finished = true;\r\n this.onFinish();\r\n if (this._onComplete) {\r\n this._onComplete();\r\n }\r\n }\r\n }\r\n\r\n // Destroy is called automatically onFinish\r\n destroy() {\r\n if (this._helperTimeout) {\r\n clearTimeout(this._helperTimeout);\r\n }\r\n removeTransitionStyle(this._target);\r\n this._target.removeEventListener('transitionend', this._onTransitionEnd, false);\r\n this._target.removeEventListener('transitioncancel', this._onTransitionEnd, false);\r\n if (!this._finished) {\r\n this._finalizeAnimation();\r\n }\r\n }\r\n}\r\n\r\nexport default CSSAnimation;\r\n", "const DEFAULT_NATURAL_FREQUENCY = 12;\r\nconst DEFAULT_DAMPING_RATIO = 0.75;\r\n\r\n/**\r\n * Spring easing helper\r\n */\r\nclass SpringEaser {\r\n /**\r\n * @param {number} initialVelocity Initial velocity, px per ms.\r\n *\r\n * @param {number} [dampingRatio]\r\n * Determines how bouncy animation will be.\r\n * From 0 to 1, 0 - always overshoot, 1 - do not overshoot.\r\n * \"overshoot\" refers to part of animation that\r\n * goes beyond the final value.\r\n *\r\n * @param {number} [naturalFrequency]\r\n * Determines how fast animation will slow down.\r\n * The higher value - the stiffer the transition will be,\r\n * and the faster it will slow down.\r\n * Recommended value from 10 to 50\r\n */\r\n constructor(initialVelocity, dampingRatio, naturalFrequency) {\r\n this.velocity = initialVelocity * 1000; // convert to \"pixels per second\"\r\n\r\n // https://en.wikipedia.org/wiki/Damping_ratio\r\n this._dampingRatio = dampingRatio || DEFAULT_DAMPING_RATIO;\r\n\r\n // https://en.wikipedia.org/wiki/Natural_frequency\r\n this._naturalFrequency = naturalFrequency || DEFAULT_NATURAL_FREQUENCY;\r\n\r\n this._dampedFrequency = this._naturalFrequency;\r\n\r\n if (this._dampingRatio < 1) {\r\n this._dampedFrequency *= Math.sqrt(1 - this._dampingRatio * this._dampingRatio);\r\n }\r\n }\r\n\r\n /**\r\n * @param {number} deltaPosition Difference between current and end position of the animation\r\n * @param {number} deltaTime Frame duration in milliseconds\r\n *\r\n * @returns {number} Displacement, relative to the end position.\r\n */\r\n easeFrame(deltaPosition, deltaTime) {\r\n // Inspired by Apple Webkit and Android spring function implementation\r\n // https://en.wikipedia.org/wiki/Oscillation\r\n // https://en.wikipedia.org/wiki/Damping_ratio\r\n // we ignore mass (assume that it's 1kg)\r\n\r\n let displacement = 0;\r\n let coeff;\r\n\r\n deltaTime /= 1000;\r\n\r\n const naturalDumpingPow = Math.E ** (-this._dampingRatio * this._naturalFrequency * deltaTime);\r\n\r\n if (this._dampingRatio === 1) {\r\n coeff = this.velocity + this._naturalFrequency * deltaPosition;\r\n\r\n displacement = (deltaPosition + coeff * deltaTime) * naturalDumpingPow;\r\n\r\n this.velocity = displacement\r\n * (-this._naturalFrequency) + coeff\r\n * naturalDumpingPow;\r\n } else if (this._dampingRatio < 1) {\r\n coeff = (1 / this._dampedFrequency)\r\n * (this._dampingRatio * this._naturalFrequency * deltaPosition + this.velocity);\r\n\r\n const dumpedFCos = Math.cos(this._dampedFrequency * deltaTime);\r\n const dumpedFSin = Math.sin(this._dampedFrequency * deltaTime);\r\n\r\n displacement = naturalDumpingPow\r\n * (deltaPosition * dumpedFCos + coeff * dumpedFSin);\r\n\r\n this.velocity = displacement\r\n * (-this._naturalFrequency)\r\n * this._dampingRatio\r\n + naturalDumpingPow\r\n * (-this._dampedFrequency * deltaPosition * dumpedFSin\r\n + this._dampedFrequency * coeff * dumpedFCos);\r\n }\r\n\r\n // Overdamped (>1) damping ratio is not supported\r\n\r\n return displacement;\r\n }\r\n}\r\n\r\nexport default SpringEaser;\r\n", "import SpringEaser from './spring-easer.js';\r\n\r\n/** @typedef {import('./animations.js').SharedAnimationProps} SharedAnimationProps */\r\n\r\n/**\r\n * @typedef {Object} DefaultSpringAnimationProps\r\n *\r\n * @prop {number} start\r\n * @prop {number} end\r\n * @prop {number} velocity\r\n * @prop {number} [dampingRatio]\r\n * @prop {number} [naturalFrequency]\r\n * @prop {(end: number) => void} onUpdate\r\n */\r\n\r\n/** @typedef {SharedAnimationProps & DefaultSpringAnimationProps} SpringAnimationProps */\r\n\r\nclass SpringAnimation {\r\n /**\r\n * @param {SpringAnimationProps} props\r\n */\r\n constructor(props) {\r\n this.props = props;\r\n this._raf = 0;\r\n\r\n const {\r\n start,\r\n end,\r\n velocity,\r\n onUpdate,\r\n onComplete,\r\n onFinish = () => {},\r\n dampingRatio,\r\n naturalFrequency\r\n } = props;\r\n\r\n this.onFinish = onFinish;\r\n\r\n const easer = new SpringEaser(velocity, dampingRatio, naturalFrequency);\r\n let prevTime = Date.now();\r\n let deltaPosition = start - end;\r\n\r\n const animationLoop = () => {\r\n if (this._raf) {\r\n deltaPosition = easer.easeFrame(deltaPosition, Date.now() - prevTime);\r\n\r\n // Stop the animation if velocity is low and position is close to end\r\n if (Math.abs(deltaPosition) < 1 && Math.abs(easer.velocity) < 50) {\r\n // Finalize the animation\r\n onUpdate(end);\r\n if (onComplete) {\r\n onComplete();\r\n }\r\n this.onFinish();\r\n } else {\r\n prevTime = Date.now();\r\n onUpdate(deltaPosition + end);\r\n this._raf = requestAnimationFrame(animationLoop);\r\n }\r\n }\r\n };\r\n\r\n this._raf = requestAnimationFrame(animationLoop);\r\n }\r\n\r\n // Destroy is called automatically onFinish\r\n destroy() {\r\n if (this._raf >= 0) {\r\n cancelAnimationFrame(this._raf);\r\n }\r\n this._raf = 0;\r\n }\r\n}\r\n\r\nexport default SpringAnimation;\r\n", "import CSSAnimation from './css-animation.js';\r\nimport SpringAnimation from './spring-animation.js';\r\n\r\n/** @typedef {import('./css-animation.js').CssAnimationProps} CssAnimationProps */\r\n/** @typedef {import('./spring-animation.js').SpringAnimationProps} SpringAnimationProps */\r\n\r\n/** @typedef {Object} SharedAnimationProps\r\n * @prop {string} [name]\r\n * @prop {boolean} [isPan]\r\n * @prop {boolean} [isMainScroll]\r\n * @prop {VoidFunction} [onComplete]\r\n * @prop {VoidFunction} [onFinish]\r\n */\r\n\r\n/** @typedef {SpringAnimation | CSSAnimation} Animation */\r\n/** @typedef {SpringAnimationProps | CssAnimationProps} AnimationProps */\r\n\r\n/**\r\n * Manages animations\r\n */\r\nclass Animations {\r\n constructor() {\r\n /** @type {Animation[]} */\r\n this.activeAnimations = [];\r\n }\r\n\r\n /**\r\n * @param {SpringAnimationProps} props\r\n */\r\n startSpring(props) {\r\n this._start(props, true);\r\n }\r\n\r\n /**\r\n * @param {CssAnimationProps} props\r\n */\r\n startTransition(props) {\r\n this._start(props);\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {AnimationProps} props\r\n * @param {boolean} [isSpring]\r\n * @returns {Animation}\r\n */\r\n _start(props, isSpring) {\r\n const animation = isSpring\r\n ? new SpringAnimation(/** @type SpringAnimationProps */ (props))\r\n : new CSSAnimation(/** @type CssAnimationProps */ (props));\r\n\r\n this.activeAnimations.push(animation);\r\n animation.onFinish = () => this.stop(animation);\r\n\r\n return animation;\r\n }\r\n\r\n /**\r\n * @param {Animation} animation\r\n */\r\n stop(animation) {\r\n animation.destroy();\r\n const index = this.activeAnimations.indexOf(animation);\r\n if (index > -1) {\r\n this.activeAnimations.splice(index, 1);\r\n }\r\n }\r\n\r\n stopAll() { // _stopAllAnimations\r\n this.activeAnimations.forEach((animation) => {\r\n animation.destroy();\r\n });\r\n this.activeAnimations = [];\r\n }\r\n\r\n /**\r\n * Stop all pan or zoom transitions\r\n */\r\n stopAllPan() {\r\n this.activeAnimations = this.activeAnimations.filter((animation) => {\r\n if (animation.props.isPan) {\r\n animation.destroy();\r\n return false;\r\n }\r\n\r\n return true;\r\n });\r\n }\r\n\r\n stopMainScroll() {\r\n this.activeAnimations = this.activeAnimations.filter((animation) => {\r\n if (animation.props.isMainScroll) {\r\n animation.destroy();\r\n return false;\r\n }\r\n\r\n return true;\r\n });\r\n }\r\n\r\n /**\r\n * Returns true if main scroll transition is running\r\n */\r\n // isMainScrollRunning() {\r\n // return this.activeAnimations.some((animation) => {\r\n // return animation.props.isMainScroll;\r\n // });\r\n // }\r\n\r\n /**\r\n * Returns true if any pan or zoom transition is running\r\n */\r\n isPanRunning() {\r\n return this.activeAnimations.some((animation) => {\r\n return animation.props.isPan;\r\n });\r\n }\r\n}\r\n\r\nexport default Animations;\r\n", "/** @typedef {import('./photoswipe.js').default} PhotoSwipe */\r\n\r\n/**\r\n * Handles scroll wheel.\r\n * Can pan and zoom current slide image.\r\n */\r\nclass ScrollWheel {\r\n /**\r\n * @param {PhotoSwipe} pswp\r\n */\r\n constructor(pswp) {\r\n this.pswp = pswp;\r\n pswp.events.add(pswp.element, 'wheel', /** @type EventListener */(this._onWheel.bind(this)));\r\n }\r\n\r\n /**\r\n * @private\r\n * @param {WheelEvent} e\r\n */\r\n _onWheel(e) {\r\n e.preventDefault();\r\n const { currSlide } = this.pswp;\r\n let { deltaX, deltaY } = e;\r\n\r\n if (!currSlide) {\r\n return;\r\n }\r\n\r\n if (this.pswp.dispatch('wheel', { originalEvent: e }).defaultPrevented) {\r\n return;\r\n }\r\n\r\n if (e.ctrlKey || this.pswp.options.wheelToZoom) {\r\n // zoom\r\n if (currSlide.isZoomable()) {\r\n let zoomFactor = -deltaY;\r\n if (e.deltaMode === 1 /* DOM_DELTA_LINE */) {\r\n zoomFactor *= 0.05;\r\n } else {\r\n zoomFactor *= e.deltaMode ? 1 : 0.002;\r\n }\r\n zoomFactor = 2 ** zoomFactor;\r\n\r\n const destZoomLevel = currSlide.currZoomLevel * zoomFactor;\r\n currSlide.zoomTo(destZoomLevel, {\r\n x: e.clientX,\r\n y: e.clientY\r\n });\r\n }\r\n } else {\r\n // pan\r\n if (currSlide.isPannable()) {\r\n if (e.deltaMode === 1 /* DOM_DELTA_LINE */) {\r\n // 18 - average line height\r\n deltaX *= 18;\r\n deltaY *= 18;\r\n }\r\n\r\n currSlide.panTo(\r\n currSlide.pan.x - deltaX,\r\n currSlide.pan.y - deltaY\r\n );\r\n }\r\n }\r\n }\r\n}\r\n\r\nexport default ScrollWheel;\r\n", "import { createElement } from '../util/util.js';\r\n\r\n/** @typedef {import('../photoswipe.js').default} PhotoSwipe */\r\n\r\n/**\r\n * @template T\r\n * @typedef {import('../types.js').Methods} Methods\r\n */\r\n\r\n/**\r\n * @typedef {Object} UIElementMarkupProps\r\n * @prop {boolean} [isCustomSVG]\r\n * @prop {string} inner\r\n * @prop {string} [outlineID]\r\n * @prop {number | string} [size]\r\n */\r\n\r\n/**\r\n * @typedef {Object} UIElementData\r\n * @prop {DefaultUIElements | string} [name]\r\n * @prop {string} [className]\r\n * @prop {UIElementMarkup} [html]\r\n * @prop {boolean} [isButton]\r\n * @prop {keyof HTMLElementTagNameMap} [tagName]\r\n * @prop {string} [title]\r\n * @prop {string} [ariaLabel]\r\n * @prop {(element: HTMLElement, pswp: PhotoSwipe) => void} [onInit]\r\n * @prop {Methods | ((e: MouseEvent, element: HTMLElement, pswp: PhotoSwipe) => void)} [onClick]\r\n * @prop {'bar' | 'wrapper' | 'root'} [appendTo]\r\n * @prop {number} [order]\r\n */\r\n\r\n/** @typedef {'arrowPrev' | 'arrowNext' | 'close' | 'zoom' | 'counter'} DefaultUIElements */\r\n\r\n/** @typedef {string | UIElementMarkupProps} UIElementMarkup */\r\n\r\n/**\r\n * @param {UIElementMarkup} [htmlData]\r\n * @returns {string}\r\n */\r\nfunction addElementHTML(htmlData) {\r\n if (typeof htmlData === 'string') {\r\n // Allow developers to provide full svg,\r\n // For example:\r\n // \r\n // Can also be any HTML string.\r\n return htmlData;\r\n }\r\n\r\n if (!htmlData || !htmlData.isCustomSVG) {\r\n return '';\r\n }\r\n\r\n const svgData = htmlData;\r\n let out = '';\r\n\r\n return out;\r\n}\r\n\r\nclass UIElement {\r\n /**\r\n * @param {PhotoSwipe} pswp\r\n * @param {UIElementData} data\r\n */\r\n constructor(pswp, data) {\r\n const name = data.name || data.className;\r\n let elementHTML = data.html;\r\n\r\n // @ts-expect-error lookup only by `data.name` maybe?\r\n if (pswp.options[name] === false) {\r\n // exit if element is disabled from options\r\n return;\r\n }\r\n\r\n // Allow to override SVG icons from options\r\n // @ts-expect-error lookup only by `data.name` maybe?\r\n if (typeof pswp.options[name + 'SVG'] === 'string') {\r\n // arrowPrevSVG\r\n // arrowNextSVG\r\n // closeSVG\r\n // zoomSVG\r\n // @ts-expect-error lookup only by `data.name` maybe?\r\n elementHTML = pswp.options[name + 'SVG'];\r\n }\r\n\r\n pswp.dispatch('uiElementCreate', { data });\r\n\r\n let className = '';\r\n if (data.isButton) {\r\n className += 'pswp__button ';\r\n className += (data.className || `pswp__button--${data.name}`);\r\n } else {\r\n className += (data.className || `pswp__${data.name}`);\r\n }\r\n\r\n let tagName = data.isButton ? (data.tagName || 'button') : (data.tagName || 'div');\r\n tagName = /** @type {keyof HTMLElementTagNameMap} */ (tagName.toLowerCase());\r\n /** @type {HTMLElement} */\r\n const element = createElement(className, tagName);\r\n\r\n if (data.isButton) {\r\n if (tagName === 'button') {\r\n /** @type {HTMLButtonElement} */ (element).type = 'button';\r\n }\r\n\r\n let { title } = data;\r\n const { ariaLabel } = data;\r\n\r\n // @ts-expect-error lookup only by `data.name` maybe?\r\n if (typeof pswp.options[name + 'Title'] === 'string') {\r\n // @ts-expect-error lookup only by `data.name` maybe?\r\n title = pswp.options[name + 'Title'];\r\n }\r\n\r\n if (title) {\r\n element.title = title;\r\n }\r\n\r\n const ariaText = ariaLabel || title;\r\n if (ariaText) {\r\n element.setAttribute('aria-label', ariaText);\r\n }\r\n }\r\n\r\n element.innerHTML = addElementHTML(elementHTML);\r\n\r\n if (data.onInit) {\r\n data.onInit(element, pswp);\r\n }\r\n\r\n if (data.onClick) {\r\n element.onclick = (e) => {\r\n if (typeof data.onClick === 'string') {\r\n // @ts-ignore\r\n pswp[data.onClick]();\r\n } else if (typeof data.onClick === 'function') {\r\n data.onClick(e, element, pswp);\r\n }\r\n };\r\n }\r\n\r\n // Top bar is default position\r\n const appendTo = data.appendTo || 'bar';\r\n /** @type {HTMLElement | undefined} root element by default */\r\n let container = pswp.element;\r\n if (appendTo === 'bar') {\r\n if (!pswp.topBar) {\r\n pswp.topBar = createElement('pswp__top-bar pswp__hide-on-close', 'div', pswp.scrollWrap);\r\n }\r\n container = pswp.topBar;\r\n } else {\r\n // element outside of top bar gets a secondary class\r\n // that makes element fade out on close\r\n element.classList.add('pswp__hide-on-close');\r\n\r\n if (appendTo === 'wrapper') {\r\n container = pswp.scrollWrap;\r\n }\r\n }\r\n\r\n container?.appendChild(pswp.applyFilters('uiElement', element, data));\r\n }\r\n}\r\n\r\nexport default UIElement;\r\n", "/*\r\n Backward and forward arrow buttons\r\n */\r\n\r\n/** @typedef {import('./ui-element.js').UIElementData} UIElementData */\r\n/** @typedef {import('../photoswipe.js').default} PhotoSwipe */\r\n\r\n/**\r\n *\r\n * @param {HTMLElement} element\r\n * @param {PhotoSwipe} pswp\r\n * @param {boolean} [isNextButton]\r\n */\r\nfunction initArrowButton(element, pswp, isNextButton) {\r\n element.classList.add('pswp__button--arrow');\r\n // TODO: this should point to a unique id for this instance\r\n element.setAttribute('aria-controls', 'pswp__items');\r\n pswp.on('change', () => {\r\n if (!pswp.options.loop) {\r\n if (isNextButton) {\r\n /** @type {HTMLButtonElement} */\r\n (element).disabled = !(pswp.currIndex < pswp.getNumItems() - 1);\r\n } else {\r\n /** @type {HTMLButtonElement} */\r\n (element).disabled = !(pswp.currIndex > 0);\r\n }\r\n }\r\n });\r\n}\r\n\r\n/** @type {UIElementData} */\r\nexport const arrowPrev = {\r\n name: 'arrowPrev',\r\n className: 'pswp__button--arrow--prev',\r\n title: 'Previous',\r\n order: 10,\r\n isButton: true,\r\n appendTo: 'wrapper',\r\n html: {\r\n isCustomSVG: true,\r\n size: 60,\r\n inner: '',\r\n outlineID: 'pswp__icn-arrow'\r\n },\r\n onClick: 'prev',\r\n onInit: initArrowButton\r\n};\r\n\r\n/** @type {UIElementData} */\r\nexport const arrowNext = {\r\n name: 'arrowNext',\r\n className: 'pswp__button--arrow--next',\r\n title: 'Next',\r\n order: 11,\r\n isButton: true,\r\n appendTo: 'wrapper',\r\n html: {\r\n isCustomSVG: true,\r\n size: 60,\r\n inner: '