\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n","import mod from \"-!../../node_modules/cache-loader/dist/cjs.js??ref--12-0!../../node_modules/thread-loader/dist/cjs.js!../../node_modules/babel-loader/lib/index.js!../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../node_modules/vue-loader/lib/index.js??vue-loader-options!./horizontal-nav.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../../node_modules/cache-loader/dist/cjs.js??ref--12-0!../../node_modules/thread-loader/dist/cjs.js!../../node_modules/babel-loader/lib/index.js!../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../node_modules/vue-loader/lib/index.js??vue-loader-options!./horizontal-nav.vue?vue&type=script&lang=js&\"","import { render, staticRenderFns } from \"./horizontal-nav.vue?vue&type=template&id=266dc4db&\"\nimport script from \"./horizontal-nav.vue?vue&type=script&lang=js&\"\nexport * from \"./horizontal-nav.vue?vue&type=script&lang=js&\"\n\n\n/* normalize component */\nimport normalizer from \"!../../node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n script,\n render,\n staticRenderFns,\n false,\n null,\n null,\n null\n \n)\n\nexport default component.exports","\r\n\r\n\r\n
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\n INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\n LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\n OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\n PERFORMANCE OF THIS SOFTWARE.\r\n ***************************************************************************** */\r\n\r\n var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n };\r\n return __assign.apply(this, arguments);\r\n };\n\n var Default = {\n parentTrigger: 'li',\n subMenu: 'ul',\n toggle: true,\n triggerElement: 'a',\n };\n var ClassName = {\n ACTIVE: 'mm-active',\n COLLAPSE: 'mm-collapse',\n COLLAPSED: 'mm-collapsed',\n COLLAPSING: 'mm-collapsing',\n METIS: 'metismenu',\n SHOW: 'mm-show',\n };\n\n function matches(element, selector) {\n var nativeMatches = element.matches\n || element.webkitMatchesSelector\n || element.msMatchesSelector;\n return nativeMatches.call(element, selector);\n }\n function closest(element, selector) {\n if (element.closest) {\n return element.closest(selector);\n }\n var el = element;\n while (el) {\n if (matches(el, selector)) {\n return el;\n }\n el = el.parentElement;\n }\n return null;\n }\n\n var MetisMenu = /** @class */ (function () {\n /**\n * Creates an instance of MetisMenu.\n *\n * @constructor\n * @param {Element | string} element\n * @param {IMMOptions} [options]\n * @memberof MetisMenu\n */\n function MetisMenu(element, options) {\n this.element = MetisMenu.isElement(element) ? element : document.querySelector(element);\n this.config = __assign(__assign({}, Default), options);\n this.disposed = false;\n this.triggerArr = [];\n this.init();\n }\n MetisMenu.attach = function (el, opt) {\n return new MetisMenu(el, opt);\n };\n MetisMenu.prototype.init = function () {\n var _this = this;\n var METIS = ClassName.METIS, ACTIVE = ClassName.ACTIVE, COLLAPSE = ClassName.COLLAPSE;\n this.element.classList.add(METIS);\n [].slice.call(this.element.querySelectorAll(this.config.subMenu)).forEach(function (ul) {\n ul.classList.add(COLLAPSE);\n var li = closest(ul, _this.config.parentTrigger);\n if (li === null || li === void 0 ? void 0 : li.classList.contains(ACTIVE)) {\n _this.show(ul);\n }\n else {\n _this.hide(ul);\n }\n var a = li === null || li === void 0 ? void 0 : li.querySelector(_this.config.triggerElement);\n if ((a === null || a === void 0 ? void 0 : a.getAttribute('aria-disabled')) === 'true') {\n return;\n }\n a === null || a === void 0 ? void 0 : a.setAttribute('aria-expanded', 'false');\n a === null || a === void 0 ? void 0 : a.addEventListener('click', _this.clickEvent.bind(_this));\n _this.triggerArr.push(a);\n });\n };\n MetisMenu.prototype.clickEvent = function (evt) {\n if (!this.disposed) {\n var target = evt === null || evt === void 0 ? void 0 : evt.currentTarget;\n if (target && target.tagName === 'A') {\n evt.preventDefault();\n }\n var li = closest(target, this.config.parentTrigger);\n var ul = li === null || li === void 0 ? void 0 : li.querySelector(this.config.subMenu);\n this.toggle(ul);\n }\n };\n MetisMenu.prototype.update = function () {\n this.disposed = false;\n this.init();\n };\n MetisMenu.prototype.dispose = function () {\n var _this = this;\n this.triggerArr.forEach(function (arr) {\n arr.removeEventListener('click', _this.clickEvent.bind(_this));\n });\n this.disposed = true;\n };\n MetisMenu.prototype.on = function (evtType, handler, options) {\n this.element.addEventListener(evtType, handler, options);\n return this;\n };\n MetisMenu.prototype.off = function (evtType, handler, options) {\n this.element.removeEventListener(evtType, handler, options);\n return this;\n };\n MetisMenu.prototype.emit = function (evtType, evtData, shouldBubble) {\n if (shouldBubble === void 0) { shouldBubble = false; }\n var evt;\n if (typeof CustomEvent === 'function') {\n evt = new CustomEvent(evtType, {\n bubbles: shouldBubble,\n detail: evtData,\n });\n }\n else {\n evt = document.createEvent('CustomEvent');\n evt.initCustomEvent(evtType, shouldBubble, false, evtData);\n }\n this.element.dispatchEvent(evt);\n return this;\n };\n MetisMenu.prototype.toggle = function (ul) {\n var li = closest(ul, this.config.parentTrigger);\n if (li === null || li === void 0 ? void 0 : li.classList.contains(ClassName.ACTIVE)) {\n this.hide(ul);\n }\n else {\n this.show(ul);\n }\n };\n MetisMenu.prototype.show = function (el) {\n var _this = this;\n var _a;\n var ul = el;\n var ACTIVE = ClassName.ACTIVE, COLLAPSE = ClassName.COLLAPSE, COLLAPSED = ClassName.COLLAPSED, COLLAPSING = ClassName.COLLAPSING, SHOW = ClassName.SHOW;\n if (this.isTransitioning || ul.classList.contains(COLLAPSING)) {\n return;\n }\n var complete = function () {\n ul.classList.remove(COLLAPSING);\n ul.style.height = '';\n ul.removeEventListener('transitionend', complete);\n _this.setTransitioning(false);\n _this.emit('shown.metisMenu', {\n shownElement: ul,\n });\n };\n var li = closest(ul, this.config.parentTrigger);\n li === null || li === void 0 ? void 0 : li.classList.add(ACTIVE);\n var a = li === null || li === void 0 ? void 0 : li.querySelector(this.config.triggerElement);\n a === null || a === void 0 ? void 0 : a.setAttribute('aria-expanded', 'true');\n a === null || a === void 0 ? void 0 : a.classList.remove(COLLAPSED);\n ul.style.height = '0px';\n ul.classList.remove(COLLAPSE);\n ul.classList.remove(SHOW);\n ul.classList.add(COLLAPSING);\n var eleParentSiblins = [].slice\n .call((_a = li === null || li === void 0 ? void 0 : li.parentNode) === null || _a === void 0 ? void 0 : _a.children)\n .filter(function (c) { return c !== li; });\n if (this.config.toggle && eleParentSiblins.length > 0) {\n eleParentSiblins.forEach(function (sibli) {\n var sibUl = sibli.querySelector(_this.config.subMenu);\n if (sibUl) {\n _this.hide(sibUl);\n }\n });\n }\n this.setTransitioning(true);\n ul.classList.add(COLLAPSE);\n ul.classList.add(SHOW);\n ul.style.height = ul.scrollHeight + \"px\";\n this.emit('show.metisMenu', {\n showElement: ul,\n });\n ul.addEventListener('transitionend', complete);\n };\n MetisMenu.prototype.hide = function (el) {\n var _this = this;\n var ACTIVE = ClassName.ACTIVE, COLLAPSE = ClassName.COLLAPSE, COLLAPSED = ClassName.COLLAPSED, COLLAPSING = ClassName.COLLAPSING, SHOW = ClassName.SHOW;\n var ul = el;\n if (this.isTransitioning || !ul.classList.contains(SHOW)) {\n return;\n }\n this.emit('hide.metisMenu', {\n hideElement: ul,\n });\n var li = closest(ul, this.config.parentTrigger);\n li === null || li === void 0 ? void 0 : li.classList.remove(ACTIVE);\n var complete = function () {\n ul.classList.remove(COLLAPSING);\n ul.classList.add(COLLAPSE);\n ul.style.height = '';\n ul.removeEventListener('transitionend', complete);\n _this.setTransitioning(false);\n _this.emit('hidden.metisMenu', {\n hiddenElement: ul,\n });\n };\n ul.style.height = ul.getBoundingClientRect().height + \"px\";\n ul.style.height = ul.offsetHeight + \"px\";\n ul.classList.add(COLLAPSING);\n ul.classList.remove(COLLAPSE);\n ul.classList.remove(SHOW);\n this.setTransitioning(true);\n ul.addEventListener('transitionend', complete);\n ul.style.height = '0px';\n var a = li === null || li === void 0 ? void 0 : li.querySelector(this.config.triggerElement);\n a === null || a === void 0 ? void 0 : a.setAttribute('aria-expanded', 'false');\n a === null || a === void 0 ? void 0 : a.classList.add(COLLAPSED);\n };\n MetisMenu.prototype.setTransitioning = function (isTransitioning) {\n this.isTransitioning = isTransitioning;\n };\n MetisMenu.isElement = function (element) {\n return Boolean(element.classList);\n };\n return MetisMenu;\n }());\n\n return MetisMenu;\n\n})));\n//# sourceMappingURL=metismenujs.js.map\n","module.exports = __webpack_public_path__ + \"img/logo-dark.a5a6af2c.png\";","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar isForced = require('../internals/is-forced');\nvar redefine = require('../internals/redefine');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar iterate = require('../internals/iterate');\nvar anInstance = require('../internals/an-instance');\nvar isObject = require('../internals/is-object');\nvar fails = require('../internals/fails');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar inheritIfRequired = require('../internals/inherit-if-required');\n\nmodule.exports = function (CONSTRUCTOR_NAME, wrapper, common) {\n var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;\n var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;\n var ADDER = IS_MAP ? 'set' : 'add';\n var NativeConstructor = global[CONSTRUCTOR_NAME];\n var NativePrototype = NativeConstructor && NativeConstructor.prototype;\n var Constructor = NativeConstructor;\n var exported = {};\n\n var fixMethod = function (KEY) {\n var nativeMethod = NativePrototype[KEY];\n redefine(NativePrototype, KEY,\n KEY == 'add' ? function add(value) {\n nativeMethod.call(this, value === 0 ? 0 : value);\n return this;\n } : KEY == 'delete' ? function (key) {\n return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n } : KEY == 'get' ? function get(key) {\n return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);\n } : KEY == 'has' ? function has(key) {\n return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n } : function set(key, value) {\n nativeMethod.call(this, key === 0 ? 0 : key, value);\n return this;\n }\n );\n };\n\n // eslint-disable-next-line max-len\n if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {\n new NativeConstructor().entries().next();\n })))) {\n // create collection constructor\n Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);\n InternalMetadataModule.REQUIRED = true;\n } else if (isForced(CONSTRUCTOR_NAME, true)) {\n var instance = new Constructor();\n // early implementations not supports chaining\n var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;\n // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false\n var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });\n // most early implementations doesn't supports iterables, most modern - not close it correctly\n // eslint-disable-next-line no-new\n var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });\n // for early implementations -0 and +0 not the same\n var BUGGY_ZERO = !IS_WEAK && fails(function () {\n // V8 ~ Chromium 42- fails only with 5+ elements\n var $instance = new NativeConstructor();\n var index = 5;\n while (index--) $instance[ADDER](index, index);\n return !$instance.has(-0);\n });\n\n if (!ACCEPT_ITERABLES) {\n Constructor = wrapper(function (dummy, iterable) {\n anInstance(dummy, Constructor, CONSTRUCTOR_NAME);\n var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);\n if (iterable != undefined) iterate(iterable, that[ADDER], { that: that, AS_ENTRIES: IS_MAP });\n return that;\n });\n Constructor.prototype = NativePrototype;\n NativePrototype.constructor = Constructor;\n }\n\n if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {\n fixMethod('delete');\n fixMethod('has');\n IS_MAP && fixMethod('get');\n }\n\n if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);\n\n // weak collections should not contains .clear method\n if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;\n }\n\n exported[CONSTRUCTOR_NAME] = Constructor;\n $({ global: true, forced: Constructor != NativeConstructor }, exported);\n\n setToStringTag(Constructor, CONSTRUCTOR_NAME);\n\n if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);\n\n return Constructor;\n};\n","/**\r\n * A collection of shims that provide minimal functionality of the ES6 collections.\r\n *\r\n * These implementations are not meant to be used outside of the ResizeObserver\r\n * modules as they cover only a limited range of use cases.\r\n */\r\n/* eslint-disable require-jsdoc, valid-jsdoc */\r\nvar MapShim = (function () {\r\n if (typeof Map !== 'undefined') {\r\n return Map;\r\n }\r\n /**\r\n * Returns index in provided array that matches the specified key.\r\n *\r\n * @param {Array} arr\r\n * @param {*} key\r\n * @returns {number}\r\n */\r\n function getIndex(arr, key) {\r\n var result = -1;\r\n arr.some(function (entry, index) {\r\n if (entry[0] === key) {\r\n result = index;\r\n return true;\r\n }\r\n return false;\r\n });\r\n return result;\r\n }\r\n return /** @class */ (function () {\r\n function class_1() {\r\n this.__entries__ = [];\r\n }\r\n Object.defineProperty(class_1.prototype, \"size\", {\r\n /**\r\n * @returns {boolean}\r\n */\r\n get: function () {\r\n return this.__entries__.length;\r\n },\r\n enumerable: true,\r\n configurable: true\r\n });\r\n /**\r\n * @param {*} key\r\n * @returns {*}\r\n */\r\n class_1.prototype.get = function (key) {\r\n var index = getIndex(this.__entries__, key);\r\n var entry = this.__entries__[index];\r\n return entry && entry[1];\r\n };\r\n /**\r\n * @param {*} key\r\n * @param {*} value\r\n * @returns {void}\r\n */\r\n class_1.prototype.set = function (key, value) {\r\n var index = getIndex(this.__entries__, key);\r\n if (~index) {\r\n this.__entries__[index][1] = value;\r\n }\r\n else {\r\n this.__entries__.push([key, value]);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.delete = function (key) {\r\n var entries = this.__entries__;\r\n var index = getIndex(entries, key);\r\n if (~index) {\r\n entries.splice(index, 1);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.has = function (key) {\r\n return !!~getIndex(this.__entries__, key);\r\n };\r\n /**\r\n * @returns {void}\r\n */\r\n class_1.prototype.clear = function () {\r\n this.__entries__.splice(0);\r\n };\r\n /**\r\n * @param {Function} callback\r\n * @param {*} [ctx=null]\r\n * @returns {void}\r\n */\r\n class_1.prototype.forEach = function (callback, ctx) {\r\n if (ctx === void 0) { ctx = null; }\r\n for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {\r\n var entry = _a[_i];\r\n callback.call(ctx, entry[1], entry[0]);\r\n }\r\n };\r\n return class_1;\r\n }());\r\n})();\n\n/**\r\n * Detects whether window and document objects are available in current environment.\r\n */\r\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && window.document === document;\n\n// Returns global object of a current environment.\r\nvar global$1 = (function () {\r\n if (typeof global !== 'undefined' && global.Math === Math) {\r\n return global;\r\n }\r\n if (typeof self !== 'undefined' && self.Math === Math) {\r\n return self;\r\n }\r\n if (typeof window !== 'undefined' && window.Math === Math) {\r\n return window;\r\n }\r\n // eslint-disable-next-line no-new-func\r\n return Function('return this')();\r\n})();\n\n/**\r\n * A shim for the requestAnimationFrame which falls back to the setTimeout if\r\n * first one is not supported.\r\n *\r\n * @returns {number} Requests' identifier.\r\n */\r\nvar requestAnimationFrame$1 = (function () {\r\n if (typeof requestAnimationFrame === 'function') {\r\n // It's required to use a bounded function because IE sometimes throws\r\n // an \"Invalid calling object\" error if rAF is invoked without the global\r\n // object on the left hand side.\r\n return requestAnimationFrame.bind(global$1);\r\n }\r\n return function (callback) { return setTimeout(function () { return callback(Date.now()); }, 1000 / 60); };\r\n})();\n\n// Defines minimum timeout before adding a trailing call.\r\nvar trailingTimeout = 2;\r\n/**\r\n * Creates a wrapper function which ensures that provided callback will be\r\n * invoked only once during the specified delay period.\r\n *\r\n * @param {Function} callback - Function to be invoked after the delay period.\r\n * @param {number} delay - Delay after which to invoke callback.\r\n * @returns {Function}\r\n */\r\nfunction throttle (callback, delay) {\r\n var leadingCall = false, trailingCall = false, lastCallTime = 0;\r\n /**\r\n * Invokes the original callback function and schedules new invocation if\r\n * the \"proxy\" was called during current request.\r\n *\r\n * @returns {void}\r\n */\r\n function resolvePending() {\r\n if (leadingCall) {\r\n leadingCall = false;\r\n callback();\r\n }\r\n if (trailingCall) {\r\n proxy();\r\n }\r\n }\r\n /**\r\n * Callback invoked after the specified delay. It will further postpone\r\n * invocation of the original function delegating it to the\r\n * requestAnimationFrame.\r\n *\r\n * @returns {void}\r\n */\r\n function timeoutCallback() {\r\n requestAnimationFrame$1(resolvePending);\r\n }\r\n /**\r\n * Schedules invocation of the original function.\r\n *\r\n * @returns {void}\r\n */\r\n function proxy() {\r\n var timeStamp = Date.now();\r\n if (leadingCall) {\r\n // Reject immediately following calls.\r\n if (timeStamp - lastCallTime < trailingTimeout) {\r\n return;\r\n }\r\n // Schedule new call to be in invoked when the pending one is resolved.\r\n // This is important for \"transitions\" which never actually start\r\n // immediately so there is a chance that we might miss one if change\r\n // happens amids the pending invocation.\r\n trailingCall = true;\r\n }\r\n else {\r\n leadingCall = true;\r\n trailingCall = false;\r\n setTimeout(timeoutCallback, delay);\r\n }\r\n lastCallTime = timeStamp;\r\n }\r\n return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserverController.\r\n *\r\n * @private\r\n */\r\n function ResizeObserverController() {\r\n /**\r\n * Indicates whether DOM listeners have been added.\r\n *\r\n * @private {boolean}\r\n */\r\n this.connected_ = false;\r\n /**\r\n * Tells that controller has subscribed for Mutation Events.\r\n *\r\n * @private {boolean}\r\n */\r\n this.mutationEventsAdded_ = false;\r\n /**\r\n * Keeps reference to the instance of MutationObserver.\r\n *\r\n * @private {MutationObserver}\r\n */\r\n this.mutationsObserver_ = null;\r\n /**\r\n * A list of connected observers.\r\n *\r\n * @private {Array}\r\n */\r\n this.observers_ = [];\r\n this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n }\r\n /**\r\n * Adds observer to observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be added.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.addObserver = function (observer) {\r\n if (!~this.observers_.indexOf(observer)) {\r\n this.observers_.push(observer);\r\n }\r\n // Add listeners if they haven't been added yet.\r\n if (!this.connected_) {\r\n this.connect_();\r\n }\r\n };\r\n /**\r\n * Removes observer from observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.removeObserver = function (observer) {\r\n var observers = this.observers_;\r\n var index = observers.indexOf(observer);\r\n // Remove observer if it's present in registry.\r\n if (~index) {\r\n observers.splice(index, 1);\r\n }\r\n // Remove listeners if controller has no connected observers.\r\n if (!observers.length && this.connected_) {\r\n this.disconnect_();\r\n }\r\n };\r\n /**\r\n * Invokes the update of observers. It will continue running updates insofar\r\n * it detects changes.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.refresh = function () {\r\n var changesDetected = this.updateObservers_();\r\n // Continue running updates if changes have been detected as there might\r\n // be future ones caused by CSS transitions.\r\n if (changesDetected) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Updates every observer from observers list and notifies them of queued\r\n * entries.\r\n *\r\n * @private\r\n * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n * dimensions of it's elements.\r\n */\r\n ResizeObserverController.prototype.updateObservers_ = function () {\r\n // Collect observers that have active observations.\r\n var activeObservers = this.observers_.filter(function (observer) {\r\n return observer.gatherActive(), observer.hasActive();\r\n });\r\n // Deliver notifications in a separate cycle in order to avoid any\r\n // collisions between observers, e.g. when multiple instances of\r\n // ResizeObserver are tracking the same element and the callback of one\r\n // of them changes content dimensions of the observed target. Sometimes\r\n // this may result in notifications being blocked for the rest of observers.\r\n activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n return activeObservers.length > 0;\r\n };\r\n /**\r\n * Initializes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.connect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already added.\r\n if (!isBrowser || this.connected_) {\r\n return;\r\n }\r\n // Subscription to the \"Transitionend\" event is used as a workaround for\r\n // delayed transitions. This way it's possible to capture at least the\r\n // final state of an element.\r\n document.addEventListener('transitionend', this.onTransitionEnd_);\r\n window.addEventListener('resize', this.refresh);\r\n if (mutationObserverSupported) {\r\n this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n this.mutationsObserver_.observe(document, {\r\n attributes: true,\r\n childList: true,\r\n characterData: true,\r\n subtree: true\r\n });\r\n }\r\n else {\r\n document.addEventListener('DOMSubtreeModified', this.refresh);\r\n this.mutationEventsAdded_ = true;\r\n }\r\n this.connected_ = true;\r\n };\r\n /**\r\n * Removes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.disconnect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already removed.\r\n if (!isBrowser || !this.connected_) {\r\n return;\r\n }\r\n document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n window.removeEventListener('resize', this.refresh);\r\n if (this.mutationsObserver_) {\r\n this.mutationsObserver_.disconnect();\r\n }\r\n if (this.mutationEventsAdded_) {\r\n document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n }\r\n this.mutationsObserver_ = null;\r\n this.mutationEventsAdded_ = false;\r\n this.connected_ = false;\r\n };\r\n /**\r\n * \"Transitionend\" event handler.\r\n *\r\n * @private\r\n * @param {TransitionEvent} event\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n // Detect whether transition may affect dimensions of an element.\r\n var isReflowProperty = transitionKeys.some(function (key) {\r\n return !!~propertyName.indexOf(key);\r\n });\r\n if (isReflowProperty) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Returns instance of the ResizeObserverController.\r\n *\r\n * @returns {ResizeObserverController}\r\n */\r\n ResizeObserverController.getInstance = function () {\r\n if (!this.instance_) {\r\n this.instance_ = new ResizeObserverController();\r\n }\r\n return this.instance_;\r\n };\r\n /**\r\n * Holds reference to the controller's instance.\r\n *\r\n * @private {ResizeObserverController}\r\n */\r\n ResizeObserverController.instance_ = null;\r\n return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n var key = _a[_i];\r\n Object.defineProperty(target, key, {\r\n value: props[key],\r\n enumerable: false,\r\n writable: false,\r\n configurable: true\r\n });\r\n }\r\n return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n // Assume that the element is an instance of Node, which means that it\r\n // has the \"ownerDocument\" property from which we can retrieve a\r\n // corresponding global object.\r\n var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n // Return the local global object if it's not possible extract one from\r\n // provided element.\r\n return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n var positions = [];\r\n for (var _i = 1; _i < arguments.length; _i++) {\r\n positions[_i - 1] = arguments[_i];\r\n }\r\n return positions.reduce(function (size, position) {\r\n var value = styles['border-' + position + '-width'];\r\n return size + toFloat(value);\r\n }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n var positions = ['top', 'right', 'bottom', 'left'];\r\n var paddings = {};\r\n for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n var position = positions_1[_i];\r\n var value = styles['padding-' + position];\r\n paddings[position] = toFloat(value);\r\n }\r\n return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n * to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n var bbox = target.getBBox();\r\n return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n // Client width & height properties can't be\r\n // used exclusively as they provide rounded values.\r\n var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n // By this condition we can catch all non-replaced inline, hidden and\r\n // detached elements. Though elements with width & height properties less\r\n // than 0.5 will be discarded as well.\r\n //\r\n // Without it we would need to implement separate methods for each of\r\n // those cases and it's not possible to perform a precise and performance\r\n // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n // gives wrong results for elements with width & height less than 0.5.\r\n if (!clientWidth && !clientHeight) {\r\n return emptyRect;\r\n }\r\n var styles = getWindowOf(target).getComputedStyle(target);\r\n var paddings = getPaddings(styles);\r\n var horizPad = paddings.left + paddings.right;\r\n var vertPad = paddings.top + paddings.bottom;\r\n // Computed styles of width & height are being used because they are the\r\n // only dimensions available to JS that contain non-rounded values. It could\r\n // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n var width = toFloat(styles.width), height = toFloat(styles.height);\r\n // Width & height include paddings and borders when the 'border-box' box\r\n // model is applied (except for IE).\r\n if (styles.boxSizing === 'border-box') {\r\n // Following conditions are required to handle Internet Explorer which\r\n // doesn't include paddings and borders to computed CSS dimensions.\r\n //\r\n // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n // properties then it's either IE, and thus we don't need to subtract\r\n // anything, or an element merely doesn't have paddings/borders styles.\r\n if (Math.round(width + horizPad) !== clientWidth) {\r\n width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n }\r\n if (Math.round(height + vertPad) !== clientHeight) {\r\n height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n }\r\n }\r\n // Following steps can't be applied to the document's root element as its\r\n // client[Width/Height] properties represent viewport area of the window.\r\n // Besides, it's as well not necessary as the itself neither has\r\n // rendered scroll bars nor it can be clipped.\r\n if (!isDocumentElement(target)) {\r\n // In some browsers (only in Firefox, actually) CSS width & height\r\n // include scroll bars size which can be removed at this step as scroll\r\n // bars are the only difference between rounded dimensions + paddings\r\n // and \"client\" properties, though that is not always true in Chrome.\r\n var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n // Chrome has a rather weird rounding of \"client\" properties.\r\n // E.g. for an element with content width of 314.2px it sometimes gives\r\n // the client width of 315px and for the width of 314.7px it may give\r\n // 314px. And it doesn't happen all the time. So just ignore this delta\r\n // as a non-relevant.\r\n if (Math.abs(vertScrollbar) !== 1) {\r\n width -= vertScrollbar;\r\n }\r\n if (Math.abs(horizScrollbar) !== 1) {\r\n height -= horizScrollbar;\r\n }\r\n }\r\n return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n // interface.\r\n if (typeof SVGGraphicsElement !== 'undefined') {\r\n return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n }\r\n // If it's so, then check that element is at least an instance of the\r\n // SVGElement and that it has the \"getBBox\" method.\r\n // eslint-disable-next-line no-extra-parens\r\n return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element ().\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n if (!isBrowser) {\r\n return emptyRect;\r\n }\r\n if (isSVGGraphicsElement(target)) {\r\n return getSVGContentRect(target);\r\n }\r\n return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n var rect = Object.create(Constr.prototype);\r\n // Rectangle's properties are not writable and non-enumerable.\r\n defineConfigurable(rect, {\r\n x: x, y: y, width: width, height: height,\r\n top: y,\r\n right: x + width,\r\n bottom: height + y,\r\n left: x\r\n });\r\n return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObservation.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n */\r\n function ResizeObservation(target) {\r\n /**\r\n * Broadcasted width of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastWidth = 0;\r\n /**\r\n * Broadcasted height of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastHeight = 0;\r\n /**\r\n * Reference to the last observed content rectangle.\r\n *\r\n * @private {DOMRectInit}\r\n */\r\n this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n this.target = target;\r\n }\r\n /**\r\n * Updates content rectangle and tells whether it's width or height properties\r\n * have changed since the last broadcast.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObservation.prototype.isActive = function () {\r\n var rect = getContentRect(this.target);\r\n this.contentRect_ = rect;\r\n return (rect.width !== this.broadcastWidth ||\r\n rect.height !== this.broadcastHeight);\r\n };\r\n /**\r\n * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n * from the corresponding properties of the last observed content rectangle.\r\n *\r\n * @returns {DOMRectInit} Last observed content rectangle.\r\n */\r\n ResizeObservation.prototype.broadcastRect = function () {\r\n var rect = this.contentRect_;\r\n this.broadcastWidth = rect.width;\r\n this.broadcastHeight = rect.height;\r\n return rect;\r\n };\r\n return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObserverEntry.\r\n *\r\n * @param {Element} target - Element that is being observed.\r\n * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n */\r\n function ResizeObserverEntry(target, rectInit) {\r\n var contentRect = createReadOnlyRect(rectInit);\r\n // According to the specification following properties are not writable\r\n // and are also not enumerable in the native implementation.\r\n //\r\n // Property accessors are not being used as they'd require to define a\r\n // private WeakMap storage which may cause memory leaks in browsers that\r\n // don't support this type of collections.\r\n defineConfigurable(this, { target: target, contentRect: contentRect });\r\n }\r\n return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n * when one of the observed elements changes it's content dimensions.\r\n * @param {ResizeObserverController} controller - Controller instance which\r\n * is responsible for the updates of observer.\r\n * @param {ResizeObserver} callbackCtx - Reference to the public\r\n * ResizeObserver instance which will be passed to callback function.\r\n */\r\n function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n /**\r\n * Collection of resize observations that have detected changes in dimensions\r\n * of elements.\r\n *\r\n * @private {Array}\r\n */\r\n this.activeObservations_ = [];\r\n /**\r\n * Registry of the ResizeObservation instances.\r\n *\r\n * @private {Map}\r\n */\r\n this.observations_ = new MapShim();\r\n if (typeof callback !== 'function') {\r\n throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n }\r\n this.callback_ = callback;\r\n this.controller_ = controller;\r\n this.callbackCtx_ = callbackCtx;\r\n }\r\n /**\r\n * Starts observing provided element.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.observe = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is already being observed.\r\n if (observations.has(target)) {\r\n return;\r\n }\r\n observations.set(target, new ResizeObservation(target));\r\n this.controller_.addObserver(this);\r\n // Force the update of observations.\r\n this.controller_.refresh();\r\n };\r\n /**\r\n * Stops observing provided element.\r\n *\r\n * @param {Element} target - Element to stop observing.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.unobserve = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is not being observed.\r\n if (!observations.has(target)) {\r\n return;\r\n }\r\n observations.delete(target);\r\n if (!observations.size) {\r\n this.controller_.removeObserver(this);\r\n }\r\n };\r\n /**\r\n * Stops observing all elements.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.disconnect = function () {\r\n this.clearActive();\r\n this.observations_.clear();\r\n this.controller_.removeObserver(this);\r\n };\r\n /**\r\n * Collects observation instances the associated element of which has changed\r\n * it's content rectangle.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.gatherActive = function () {\r\n var _this = this;\r\n this.clearActive();\r\n this.observations_.forEach(function (observation) {\r\n if (observation.isActive()) {\r\n _this.activeObservations_.push(observation);\r\n }\r\n });\r\n };\r\n /**\r\n * Invokes initial callback function with a list of ResizeObserverEntry\r\n * instances collected from active resize observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.broadcastActive = function () {\r\n // Do nothing if observer doesn't have active observations.\r\n if (!this.hasActive()) {\r\n return;\r\n }\r\n var ctx = this.callbackCtx_;\r\n // Create ResizeObserverEntry instance for every active observation.\r\n var entries = this.activeObservations_.map(function (observation) {\r\n return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n });\r\n this.callback_.call(ctx, entries, ctx);\r\n this.clearActive();\r\n };\r\n /**\r\n * Clears the collection of active observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.clearActive = function () {\r\n this.activeObservations_.splice(0);\r\n };\r\n /**\r\n * Tells whether observer has active observations.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObserverSPI.prototype.hasActive = function () {\r\n return this.activeObservations_.length > 0;\r\n };\r\n return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n * dimensions of the observed elements change.\r\n */\r\n function ResizeObserver(callback) {\r\n if (!(this instanceof ResizeObserver)) {\r\n throw new TypeError('Cannot call a class as a function.');\r\n }\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n var controller = ResizeObserverController.getInstance();\r\n var observer = new ResizeObserverSPI(callback, controller, this);\r\n observers.set(this, observer);\r\n }\r\n return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n 'observe',\r\n 'unobserve',\r\n 'disconnect'\r\n].forEach(function (method) {\r\n ResizeObserver.prototype[method] = function () {\r\n var _a;\r\n return (_a = observers.get(this))[method].apply(_a, arguments);\r\n };\r\n});\n\nvar index = (function () {\r\n // Export existing implementation if available.\r\n if (typeof global$1.ResizeObserver !== 'undefined') {\r\n return global$1.ResizeObserver;\r\n }\r\n return ResizeObserver;\r\n})();\n\nexport default index;\n","module.exports = __webpack_public_path__ + \"img/layout-1.a4629b63.jpg\";","module.exports = __webpack_public_path__ + \"img/g-colored.dc368323.png\";","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { NullLogger } from \"./Loggers\";\r\n// Version token that will be replaced by the prepack command\r\n/** The version of the SignalR client. */\r\nexport const VERSION = \"6.0.16\";\r\n/** @private */\r\nexport class Arg {\r\n static isRequired(val, name) {\r\n if (val === null || val === undefined) {\r\n throw new Error(`The '${name}' argument is required.`);\r\n }\r\n }\r\n static isNotEmpty(val, name) {\r\n if (!val || val.match(/^\\s*$/)) {\r\n throw new Error(`The '${name}' argument should not be empty.`);\r\n }\r\n }\r\n static isIn(val, values, name) {\r\n // TypeScript enums have keys for **both** the name and the value of each enum member on the type itself.\r\n if (!(val in values)) {\r\n throw new Error(`Unknown ${name} value: ${val}.`);\r\n }\r\n }\r\n}\r\n/** @private */\r\nexport class Platform {\r\n // react-native has a window but no document so we should check both\r\n static get isBrowser() {\r\n return typeof window === \"object\" && typeof window.document === \"object\";\r\n }\r\n // WebWorkers don't have a window object so the isBrowser check would fail\r\n static get isWebWorker() {\r\n return typeof self === \"object\" && \"importScripts\" in self;\r\n }\r\n // react-native has a window but no document\r\n static get isReactNative() {\r\n return typeof window === \"object\" && typeof window.document === \"undefined\";\r\n }\r\n // Node apps shouldn't have a window object, but WebWorkers don't either\r\n // so we need to check for both WebWorker and window\r\n static get isNode() {\r\n return !this.isBrowser && !this.isWebWorker && !this.isReactNative;\r\n }\r\n}\r\n/** @private */\r\nexport function getDataDetail(data, includeContent) {\r\n let detail = \"\";\r\n if (isArrayBuffer(data)) {\r\n detail = `Binary data of length ${data.byteLength}`;\r\n if (includeContent) {\r\n detail += `. Content: '${formatArrayBuffer(data)}'`;\r\n }\r\n }\r\n else if (typeof data === \"string\") {\r\n detail = `String data of length ${data.length}`;\r\n if (includeContent) {\r\n detail += `. Content: '${data}'`;\r\n }\r\n }\r\n return detail;\r\n}\r\n/** @private */\r\nexport function formatArrayBuffer(data) {\r\n const view = new Uint8Array(data);\r\n // Uint8Array.map only supports returning another Uint8Array?\r\n let str = \"\";\r\n view.forEach((num) => {\r\n const pad = num < 16 ? \"0\" : \"\";\r\n str += `0x${pad}${num.toString(16)} `;\r\n });\r\n // Trim of trailing space.\r\n return str.substr(0, str.length - 1);\r\n}\r\n// Also in signalr-protocol-msgpack/Utils.ts\r\n/** @private */\r\nexport function isArrayBuffer(val) {\r\n return val && typeof ArrayBuffer !== \"undefined\" &&\r\n (val instanceof ArrayBuffer ||\r\n // Sometimes we get an ArrayBuffer that doesn't satisfy instanceof\r\n (val.constructor && val.constructor.name === \"ArrayBuffer\"));\r\n}\r\n/** @private */\r\nexport async function sendMessage(logger, transportName, httpClient, url, accessTokenFactory, content, options) {\r\n let headers = {};\r\n if (accessTokenFactory) {\r\n const token = await accessTokenFactory();\r\n if (token) {\r\n headers = {\r\n [\"Authorization\"]: `Bearer ${token}`,\r\n };\r\n }\r\n }\r\n const [name, value] = getUserAgentHeader();\r\n headers[name] = value;\r\n logger.log(LogLevel.Trace, `(${transportName} transport) sending data. ${getDataDetail(content, options.logMessageContent)}.`);\r\n const responseType = isArrayBuffer(content) ? \"arraybuffer\" : \"text\";\r\n const response = await httpClient.post(url, {\r\n content,\r\n headers: { ...headers, ...options.headers },\r\n responseType,\r\n timeout: options.timeout,\r\n withCredentials: options.withCredentials,\r\n });\r\n logger.log(LogLevel.Trace, `(${transportName} transport) request complete. Response status: ${response.statusCode}.`);\r\n}\r\n/** @private */\r\nexport function createLogger(logger) {\r\n if (logger === undefined) {\r\n return new ConsoleLogger(LogLevel.Information);\r\n }\r\n if (logger === null) {\r\n return NullLogger.instance;\r\n }\r\n if (logger.log !== undefined) {\r\n return logger;\r\n }\r\n return new ConsoleLogger(logger);\r\n}\r\n/** @private */\r\nexport class SubjectSubscription {\r\n constructor(subject, observer) {\r\n this._subject = subject;\r\n this._observer = observer;\r\n }\r\n dispose() {\r\n const index = this._subject.observers.indexOf(this._observer);\r\n if (index > -1) {\r\n this._subject.observers.splice(index, 1);\r\n }\r\n if (this._subject.observers.length === 0 && this._subject.cancelCallback) {\r\n this._subject.cancelCallback().catch((_) => { });\r\n }\r\n }\r\n}\r\n/** @private */\r\nexport class ConsoleLogger {\r\n constructor(minimumLogLevel) {\r\n this._minLevel = minimumLogLevel;\r\n this.out = console;\r\n }\r\n log(logLevel, message) {\r\n if (logLevel >= this._minLevel) {\r\n const msg = `[${new Date().toISOString()}] ${LogLevel[logLevel]}: ${message}`;\r\n switch (logLevel) {\r\n case LogLevel.Critical:\r\n case LogLevel.Error:\r\n this.out.error(msg);\r\n break;\r\n case LogLevel.Warning:\r\n this.out.warn(msg);\r\n break;\r\n case LogLevel.Information:\r\n this.out.info(msg);\r\n break;\r\n default:\r\n // console.debug only goes to attached debuggers in Node, so we use console.log for Trace and Debug\r\n this.out.log(msg);\r\n break;\r\n }\r\n }\r\n }\r\n}\r\n/** @private */\r\nexport function getUserAgentHeader() {\r\n let userAgentHeaderName = \"X-SignalR-User-Agent\";\r\n if (Platform.isNode) {\r\n userAgentHeaderName = \"User-Agent\";\r\n }\r\n return [userAgentHeaderName, constructUserAgent(VERSION, getOsName(), getRuntime(), getRuntimeVersion())];\r\n}\r\n/** @private */\r\nexport function constructUserAgent(version, os, runtime, runtimeVersion) {\r\n // Microsoft SignalR/[Version] ([Detailed Version]; [Operating System]; [Runtime]; [Runtime Version])\r\n let userAgent = \"Microsoft SignalR/\";\r\n const majorAndMinor = version.split(\".\");\r\n userAgent += `${majorAndMinor[0]}.${majorAndMinor[1]}`;\r\n userAgent += ` (${version}; `;\r\n if (os && os !== \"\") {\r\n userAgent += `${os}; `;\r\n }\r\n else {\r\n userAgent += \"Unknown OS; \";\r\n }\r\n userAgent += `${runtime}`;\r\n if (runtimeVersion) {\r\n userAgent += `; ${runtimeVersion}`;\r\n }\r\n else {\r\n userAgent += \"; Unknown Runtime Version\";\r\n }\r\n userAgent += \")\";\r\n return userAgent;\r\n}\r\n// eslint-disable-next-line spaced-comment\r\n/*#__PURE__*/ function getOsName() {\r\n if (Platform.isNode) {\r\n switch (process.platform) {\r\n case \"win32\":\r\n return \"Windows NT\";\r\n case \"darwin\":\r\n return \"macOS\";\r\n case \"linux\":\r\n return \"Linux\";\r\n default:\r\n return process.platform;\r\n }\r\n }\r\n else {\r\n return \"\";\r\n }\r\n}\r\n// eslint-disable-next-line spaced-comment\r\n/*#__PURE__*/ function getRuntimeVersion() {\r\n if (Platform.isNode) {\r\n return process.versions.node;\r\n }\r\n return undefined;\r\n}\r\nfunction getRuntime() {\r\n if (Platform.isNode) {\r\n return \"NodeJS\";\r\n }\r\n else {\r\n return \"Browser\";\r\n }\r\n}\r\n/** @private */\r\nexport function getErrorString(e) {\r\n if (e.stack) {\r\n return e.stack;\r\n }\r\n else if (e.message) {\r\n return e.message;\r\n }\r\n return `${e}`;\r\n}\r\n/** @private */\r\nexport function getGlobalThis() {\r\n // globalThis is semi-new and not available in Node until v12\r\n if (typeof globalThis !== \"undefined\") {\r\n return globalThis;\r\n }\r\n if (typeof self !== \"undefined\") {\r\n return self;\r\n }\r\n if (typeof window !== \"undefined\") {\r\n return window;\r\n }\r\n if (typeof global !== \"undefined\") {\r\n return global;\r\n }\r\n throw new Error(\"could not find global\");\r\n}\r\n//# sourceMappingURL=Utils.js.map","/**\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 * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` 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 throttled 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 `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\nfunction throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\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 = throttle;\n","/**\n * SimpleBar.js - v5.3.0\n * Scrollbars, simpler.\n * https://grsmto.github.io/simplebar/\n *\n * Made by Adrien Denat from a fork by Jonathan Nicol\n * Under MIT License\n */\n\nimport 'core-js/modules/es.array.for-each';\nimport 'core-js/modules/web.dom-collections.for-each';\nimport canUseDOM from 'can-use-dom';\nimport 'core-js/modules/es.array.filter';\nimport 'core-js/modules/es.array.iterator';\nimport 'core-js/modules/es.object.assign';\nimport 'core-js/modules/es.object.to-string';\nimport 'core-js/modules/es.parse-int';\nimport 'core-js/modules/es.string.iterator';\nimport 'core-js/modules/es.weak-map';\nimport 'core-js/modules/web.dom-collections.iterator';\nimport throttle from 'lodash.throttle';\nimport debounce from 'lodash.debounce';\nimport memoize from 'lodash.memoize';\nimport ResizeObserver from 'resize-observer-polyfill';\nimport 'core-js/modules/es.array.reduce';\nimport 'core-js/modules/es.function.name';\nimport 'core-js/modules/es.regexp.exec';\nimport 'core-js/modules/es.string.match';\nimport 'core-js/modules/es.string.replace';\n\nvar cachedScrollbarWidth = null;\nvar cachedDevicePixelRatio = null;\n\nif (canUseDOM) {\n window.addEventListener('resize', function () {\n if (cachedDevicePixelRatio !== window.devicePixelRatio) {\n cachedDevicePixelRatio = window.devicePixelRatio;\n cachedScrollbarWidth = null;\n }\n });\n}\n\nfunction scrollbarWidth() {\n if (cachedScrollbarWidth === null) {\n if (typeof document === 'undefined') {\n cachedScrollbarWidth = 0;\n return cachedScrollbarWidth;\n }\n\n var body = document.body;\n var box = document.createElement('div');\n box.classList.add('simplebar-hide-scrollbar');\n body.appendChild(box);\n var width = box.getBoundingClientRect().right;\n body.removeChild(box);\n cachedScrollbarWidth = width;\n }\n\n return cachedScrollbarWidth;\n}\n\n// Helper function to retrieve options from element attributes\nvar getOptions = function getOptions(obj) {\n var options = Array.prototype.reduce.call(obj, function (acc, attribute) {\n var option = attribute.name.match(/data-simplebar-(.+)/);\n\n if (option) {\n var key = option[1].replace(/\\W+(.)/g, function (x, chr) {\n return chr.toUpperCase();\n });\n\n switch (attribute.value) {\n case 'true':\n acc[key] = true;\n break;\n\n case 'false':\n acc[key] = false;\n break;\n\n case undefined:\n acc[key] = true;\n break;\n\n default:\n acc[key] = attribute.value;\n }\n }\n\n return acc;\n }, {});\n return options;\n};\nfunction getElementWindow(element) {\n if (!element || !element.ownerDocument || !element.ownerDocument.defaultView) {\n return window;\n }\n\n return element.ownerDocument.defaultView;\n}\nfunction getElementDocument(element) {\n if (!element || !element.ownerDocument) {\n return document;\n }\n\n return element.ownerDocument;\n}\n\nvar SimpleBar =\n/*#__PURE__*/\nfunction () {\n function SimpleBar(element, options) {\n var _this = this;\n\n this.onScroll = function () {\n var elWindow = getElementWindow(_this.el);\n\n if (!_this.scrollXTicking) {\n elWindow.requestAnimationFrame(_this.scrollX);\n _this.scrollXTicking = true;\n }\n\n if (!_this.scrollYTicking) {\n elWindow.requestAnimationFrame(_this.scrollY);\n _this.scrollYTicking = true;\n }\n };\n\n this.scrollX = function () {\n if (_this.axis.x.isOverflowing) {\n _this.showScrollbar('x');\n\n _this.positionScrollbar('x');\n }\n\n _this.scrollXTicking = false;\n };\n\n this.scrollY = function () {\n if (_this.axis.y.isOverflowing) {\n _this.showScrollbar('y');\n\n _this.positionScrollbar('y');\n }\n\n _this.scrollYTicking = false;\n };\n\n this.onMouseEnter = function () {\n _this.showScrollbar('x');\n\n _this.showScrollbar('y');\n };\n\n this.onMouseMove = function (e) {\n _this.mouseX = e.clientX;\n _this.mouseY = e.clientY;\n\n if (_this.axis.x.isOverflowing || _this.axis.x.forceVisible) {\n _this.onMouseMoveForAxis('x');\n }\n\n if (_this.axis.y.isOverflowing || _this.axis.y.forceVisible) {\n _this.onMouseMoveForAxis('y');\n }\n };\n\n this.onMouseLeave = function () {\n _this.onMouseMove.cancel();\n\n if (_this.axis.x.isOverflowing || _this.axis.x.forceVisible) {\n _this.onMouseLeaveForAxis('x');\n }\n\n if (_this.axis.y.isOverflowing || _this.axis.y.forceVisible) {\n _this.onMouseLeaveForAxis('y');\n }\n\n _this.mouseX = -1;\n _this.mouseY = -1;\n };\n\n this.onWindowResize = function () {\n // Recalculate scrollbarWidth in case it's a zoom\n _this.scrollbarWidth = _this.getScrollbarWidth();\n\n _this.hideNativeScrollbar();\n };\n\n this.hideScrollbars = function () {\n _this.axis.x.track.rect = _this.axis.x.track.el.getBoundingClientRect();\n _this.axis.y.track.rect = _this.axis.y.track.el.getBoundingClientRect();\n\n if (!_this.isWithinBounds(_this.axis.y.track.rect)) {\n _this.axis.y.scrollbar.el.classList.remove(_this.classNames.visible);\n\n _this.axis.y.isVisible = false;\n }\n\n if (!_this.isWithinBounds(_this.axis.x.track.rect)) {\n _this.axis.x.scrollbar.el.classList.remove(_this.classNames.visible);\n\n _this.axis.x.isVisible = false;\n }\n };\n\n this.onPointerEvent = function (e) {\n var isWithinTrackXBounds, isWithinTrackYBounds;\n _this.axis.x.track.rect = _this.axis.x.track.el.getBoundingClientRect();\n _this.axis.y.track.rect = _this.axis.y.track.el.getBoundingClientRect();\n\n if (_this.axis.x.isOverflowing || _this.axis.x.forceVisible) {\n isWithinTrackXBounds = _this.isWithinBounds(_this.axis.x.track.rect);\n }\n\n if (_this.axis.y.isOverflowing || _this.axis.y.forceVisible) {\n isWithinTrackYBounds = _this.isWithinBounds(_this.axis.y.track.rect);\n } // If any pointer event is called on the scrollbar\n\n\n if (isWithinTrackXBounds || isWithinTrackYBounds) {\n // Preventing the event's default action stops text being\n // selectable during the drag.\n e.preventDefault(); // Prevent event leaking\n\n e.stopPropagation();\n\n if (e.type === 'mousedown') {\n if (isWithinTrackXBounds) {\n _this.axis.x.scrollbar.rect = _this.axis.x.scrollbar.el.getBoundingClientRect();\n\n if (_this.isWithinBounds(_this.axis.x.scrollbar.rect)) {\n _this.onDragStart(e, 'x');\n } else {\n _this.onTrackClick(e, 'x');\n }\n }\n\n if (isWithinTrackYBounds) {\n _this.axis.y.scrollbar.rect = _this.axis.y.scrollbar.el.getBoundingClientRect();\n\n if (_this.isWithinBounds(_this.axis.y.scrollbar.rect)) {\n _this.onDragStart(e, 'y');\n } else {\n _this.onTrackClick(e, 'y');\n }\n }\n }\n }\n };\n\n this.drag = function (e) {\n var eventOffset;\n var track = _this.axis[_this.draggedAxis].track;\n var trackSize = track.rect[_this.axis[_this.draggedAxis].sizeAttr];\n var scrollbar = _this.axis[_this.draggedAxis].scrollbar;\n var contentSize = _this.contentWrapperEl[_this.axis[_this.draggedAxis].scrollSizeAttr];\n var hostSize = parseInt(_this.elStyles[_this.axis[_this.draggedAxis].sizeAttr], 10);\n e.preventDefault();\n e.stopPropagation();\n\n if (_this.draggedAxis === 'y') {\n eventOffset = e.pageY;\n } else {\n eventOffset = e.pageX;\n } // Calculate how far the user's mouse is from the top/left of the scrollbar (minus the dragOffset).\n\n\n var dragPos = eventOffset - track.rect[_this.axis[_this.draggedAxis].offsetAttr] - _this.axis[_this.draggedAxis].dragOffset; // Convert the mouse position into a percentage of the scrollbar height/width.\n\n var dragPerc = dragPos / (trackSize - scrollbar.size); // Scroll the content by the same percentage.\n\n var scrollPos = dragPerc * (contentSize - hostSize); // Fix browsers inconsistency on RTL\n\n if (_this.draggedAxis === 'x') {\n scrollPos = _this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollbarInverted ? scrollPos - (trackSize + scrollbar.size) : scrollPos;\n scrollPos = _this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollingInverted ? -scrollPos : scrollPos;\n }\n\n _this.contentWrapperEl[_this.axis[_this.draggedAxis].scrollOffsetAttr] = scrollPos;\n };\n\n this.onEndDrag = function (e) {\n var elDocument = getElementDocument(_this.el);\n var elWindow = getElementWindow(_this.el);\n e.preventDefault();\n e.stopPropagation();\n\n _this.el.classList.remove(_this.classNames.dragging);\n\n elDocument.removeEventListener('mousemove', _this.drag, true);\n elDocument.removeEventListener('mouseup', _this.onEndDrag, true);\n _this.removePreventClickId = elWindow.setTimeout(function () {\n // Remove these asynchronously so we still suppress click events\n // generated simultaneously with mouseup.\n elDocument.removeEventListener('click', _this.preventClick, true);\n elDocument.removeEventListener('dblclick', _this.preventClick, true);\n _this.removePreventClickId = null;\n });\n };\n\n this.preventClick = function (e) {\n e.preventDefault();\n e.stopPropagation();\n };\n\n this.el = element;\n this.minScrollbarWidth = 20;\n this.options = Object.assign({}, SimpleBar.defaultOptions, {}, options);\n this.classNames = Object.assign({}, SimpleBar.defaultOptions.classNames, {}, this.options.classNames);\n this.axis = {\n x: {\n scrollOffsetAttr: 'scrollLeft',\n sizeAttr: 'width',\n scrollSizeAttr: 'scrollWidth',\n offsetSizeAttr: 'offsetWidth',\n offsetAttr: 'left',\n overflowAttr: 'overflowX',\n dragOffset: 0,\n isOverflowing: true,\n isVisible: false,\n forceVisible: false,\n track: {},\n scrollbar: {}\n },\n y: {\n scrollOffsetAttr: 'scrollTop',\n sizeAttr: 'height',\n scrollSizeAttr: 'scrollHeight',\n offsetSizeAttr: 'offsetHeight',\n offsetAttr: 'top',\n overflowAttr: 'overflowY',\n dragOffset: 0,\n isOverflowing: true,\n isVisible: false,\n forceVisible: false,\n track: {},\n scrollbar: {}\n }\n };\n this.removePreventClickId = null; // Don't re-instantiate over an existing one\n\n if (SimpleBar.instances.has(this.el)) {\n return;\n }\n\n this.recalculate = throttle(this.recalculate.bind(this), 64);\n this.onMouseMove = throttle(this.onMouseMove.bind(this), 64);\n this.hideScrollbars = debounce(this.hideScrollbars.bind(this), this.options.timeout);\n this.onWindowResize = debounce(this.onWindowResize.bind(this), 64, {\n leading: true\n });\n SimpleBar.getRtlHelpers = memoize(SimpleBar.getRtlHelpers);\n this.init();\n }\n /**\n * Static properties\n */\n\n /**\n * Helper to fix browsers inconsistency on RTL:\n * - Firefox inverts the scrollbar initial position\n * - IE11 inverts both scrollbar position and scrolling offset\n * Directly inspired by @KingSora's OverlayScrollbars https://github.com/KingSora/OverlayScrollbars/blob/master/js/OverlayScrollbars.js#L1634\n */\n\n\n SimpleBar.getRtlHelpers = function getRtlHelpers() {\n var dummyDiv = document.createElement('div');\n dummyDiv.innerHTML = '
';\n var scrollbarDummyEl = dummyDiv.firstElementChild;\n document.body.appendChild(scrollbarDummyEl);\n var dummyContainerChild = scrollbarDummyEl.firstElementChild;\n scrollbarDummyEl.scrollLeft = 0;\n var dummyContainerOffset = SimpleBar.getOffset(scrollbarDummyEl);\n var dummyContainerChildOffset = SimpleBar.getOffset(dummyContainerChild);\n scrollbarDummyEl.scrollLeft = 999;\n var dummyContainerScrollOffsetAfterScroll = SimpleBar.getOffset(dummyContainerChild);\n return {\n // determines if the scrolling is responding with negative values\n isRtlScrollingInverted: dummyContainerOffset.left !== dummyContainerChildOffset.left && dummyContainerChildOffset.left - dummyContainerScrollOffsetAfterScroll.left !== 0,\n // determines if the origin scrollbar position is inverted or not (positioned on left or right)\n isRtlScrollbarInverted: dummyContainerOffset.left !== dummyContainerChildOffset.left\n };\n };\n\n SimpleBar.getOffset = function getOffset(el) {\n var rect = el.getBoundingClientRect();\n var elDocument = getElementDocument(el);\n var elWindow = getElementWindow(el);\n return {\n top: rect.top + (elWindow.pageYOffset || elDocument.documentElement.scrollTop),\n left: rect.left + (elWindow.pageXOffset || elDocument.documentElement.scrollLeft)\n };\n };\n\n var _proto = SimpleBar.prototype;\n\n _proto.init = function init() {\n // Save a reference to the instance, so we know this DOM node has already been instancied\n SimpleBar.instances.set(this.el, this); // We stop here on server-side\n\n if (canUseDOM) {\n this.initDOM();\n this.scrollbarWidth = this.getScrollbarWidth();\n this.recalculate();\n this.initListeners();\n }\n };\n\n _proto.initDOM = function initDOM() {\n var _this2 = this;\n\n // make sure this element doesn't have the elements yet\n if (Array.prototype.filter.call(this.el.children, function (child) {\n return child.classList.contains(_this2.classNames.wrapper);\n }).length) {\n // assume that element has his DOM already initiated\n this.wrapperEl = this.el.querySelector(\".\" + this.classNames.wrapper);\n this.contentWrapperEl = this.options.scrollableNode || this.el.querySelector(\".\" + this.classNames.contentWrapper);\n this.contentEl = this.options.contentNode || this.el.querySelector(\".\" + this.classNames.contentEl);\n this.offsetEl = this.el.querySelector(\".\" + this.classNames.offset);\n this.maskEl = this.el.querySelector(\".\" + this.classNames.mask);\n this.placeholderEl = this.findChild(this.wrapperEl, \".\" + this.classNames.placeholder);\n this.heightAutoObserverWrapperEl = this.el.querySelector(\".\" + this.classNames.heightAutoObserverWrapperEl);\n this.heightAutoObserverEl = this.el.querySelector(\".\" + this.classNames.heightAutoObserverEl);\n this.axis.x.track.el = this.findChild(this.el, \".\" + this.classNames.track + \".\" + this.classNames.horizontal);\n this.axis.y.track.el = this.findChild(this.el, \".\" + this.classNames.track + \".\" + this.classNames.vertical);\n } else {\n // Prepare DOM\n this.wrapperEl = document.createElement('div');\n this.contentWrapperEl = document.createElement('div');\n this.offsetEl = document.createElement('div');\n this.maskEl = document.createElement('div');\n this.contentEl = document.createElement('div');\n this.placeholderEl = document.createElement('div');\n this.heightAutoObserverWrapperEl = document.createElement('div');\n this.heightAutoObserverEl = document.createElement('div');\n this.wrapperEl.classList.add(this.classNames.wrapper);\n this.contentWrapperEl.classList.add(this.classNames.contentWrapper);\n this.offsetEl.classList.add(this.classNames.offset);\n this.maskEl.classList.add(this.classNames.mask);\n this.contentEl.classList.add(this.classNames.contentEl);\n this.placeholderEl.classList.add(this.classNames.placeholder);\n this.heightAutoObserverWrapperEl.classList.add(this.classNames.heightAutoObserverWrapperEl);\n this.heightAutoObserverEl.classList.add(this.classNames.heightAutoObserverEl);\n\n while (this.el.firstChild) {\n this.contentEl.appendChild(this.el.firstChild);\n }\n\n this.contentWrapperEl.appendChild(this.contentEl);\n this.offsetEl.appendChild(this.contentWrapperEl);\n this.maskEl.appendChild(this.offsetEl);\n this.heightAutoObserverWrapperEl.appendChild(this.heightAutoObserverEl);\n this.wrapperEl.appendChild(this.heightAutoObserverWrapperEl);\n this.wrapperEl.appendChild(this.maskEl);\n this.wrapperEl.appendChild(this.placeholderEl);\n this.el.appendChild(this.wrapperEl);\n }\n\n if (!this.axis.x.track.el || !this.axis.y.track.el) {\n var track = document.createElement('div');\n var scrollbar = document.createElement('div');\n track.classList.add(this.classNames.track);\n scrollbar.classList.add(this.classNames.scrollbar);\n track.appendChild(scrollbar);\n this.axis.x.track.el = track.cloneNode(true);\n this.axis.x.track.el.classList.add(this.classNames.horizontal);\n this.axis.y.track.el = track.cloneNode(true);\n this.axis.y.track.el.classList.add(this.classNames.vertical);\n this.el.appendChild(this.axis.x.track.el);\n this.el.appendChild(this.axis.y.track.el);\n }\n\n this.axis.x.scrollbar.el = this.axis.x.track.el.querySelector(\".\" + this.classNames.scrollbar);\n this.axis.y.scrollbar.el = this.axis.y.track.el.querySelector(\".\" + this.classNames.scrollbar);\n\n if (!this.options.autoHide) {\n this.axis.x.scrollbar.el.classList.add(this.classNames.visible);\n this.axis.y.scrollbar.el.classList.add(this.classNames.visible);\n }\n\n this.el.setAttribute('data-simplebar', 'init');\n };\n\n _proto.initListeners = function initListeners() {\n var _this3 = this;\n\n var elWindow = getElementWindow(this.el); // Event listeners\n\n if (this.options.autoHide) {\n this.el.addEventListener('mouseenter', this.onMouseEnter);\n }\n\n ['mousedown', 'click', 'dblclick'].forEach(function (e) {\n _this3.el.addEventListener(e, _this3.onPointerEvent, true);\n });\n ['touchstart', 'touchend', 'touchmove'].forEach(function (e) {\n _this3.el.addEventListener(e, _this3.onPointerEvent, {\n capture: true,\n passive: true\n });\n });\n this.el.addEventListener('mousemove', this.onMouseMove);\n this.el.addEventListener('mouseleave', this.onMouseLeave);\n this.contentWrapperEl.addEventListener('scroll', this.onScroll); // Browser zoom triggers a window resize\n\n elWindow.addEventListener('resize', this.onWindowResize); // Hack for https://github.com/WICG/ResizeObserver/issues/38\n\n var resizeObserverStarted = false;\n var resizeObserver = elWindow.ResizeObserver || ResizeObserver;\n this.resizeObserver = new resizeObserver(function () {\n if (!resizeObserverStarted) return;\n\n _this3.recalculate();\n });\n this.resizeObserver.observe(this.el);\n this.resizeObserver.observe(this.contentEl);\n elWindow.requestAnimationFrame(function () {\n resizeObserverStarted = true;\n }); // This is required to detect horizontal scroll. Vertical scroll only needs the resizeObserver.\n\n this.mutationObserver = new elWindow.MutationObserver(this.recalculate);\n this.mutationObserver.observe(this.contentEl, {\n childList: true,\n subtree: true,\n characterData: true\n });\n };\n\n _proto.recalculate = function recalculate() {\n var elWindow = getElementWindow(this.el);\n this.elStyles = elWindow.getComputedStyle(this.el);\n this.isRtl = this.elStyles.direction === 'rtl';\n var isHeightAuto = this.heightAutoObserverEl.offsetHeight <= 1;\n var isWidthAuto = this.heightAutoObserverEl.offsetWidth <= 1;\n var contentElOffsetWidth = this.contentEl.offsetWidth;\n var contentWrapperElOffsetWidth = this.contentWrapperEl.offsetWidth;\n var elOverflowX = this.elStyles.overflowX;\n var elOverflowY = this.elStyles.overflowY;\n this.contentEl.style.padding = this.elStyles.paddingTop + \" \" + this.elStyles.paddingRight + \" \" + this.elStyles.paddingBottom + \" \" + this.elStyles.paddingLeft;\n this.wrapperEl.style.margin = \"-\" + this.elStyles.paddingTop + \" -\" + this.elStyles.paddingRight + \" -\" + this.elStyles.paddingBottom + \" -\" + this.elStyles.paddingLeft;\n var contentElScrollHeight = this.contentEl.scrollHeight;\n var contentElScrollWidth = this.contentEl.scrollWidth;\n this.contentWrapperEl.style.height = isHeightAuto ? 'auto' : '100%'; // Determine placeholder size\n\n this.placeholderEl.style.width = isWidthAuto ? contentElOffsetWidth + \"px\" : 'auto';\n this.placeholderEl.style.height = contentElScrollHeight + \"px\";\n var contentWrapperElOffsetHeight = this.contentWrapperEl.offsetHeight;\n this.axis.x.isOverflowing = contentElScrollWidth > contentElOffsetWidth;\n this.axis.y.isOverflowing = contentElScrollHeight > contentWrapperElOffsetHeight; // Set isOverflowing to false if user explicitely set hidden overflow\n\n this.axis.x.isOverflowing = elOverflowX === 'hidden' ? false : this.axis.x.isOverflowing;\n this.axis.y.isOverflowing = elOverflowY === 'hidden' ? false : this.axis.y.isOverflowing;\n this.axis.x.forceVisible = this.options.forceVisible === 'x' || this.options.forceVisible === true;\n this.axis.y.forceVisible = this.options.forceVisible === 'y' || this.options.forceVisible === true;\n this.hideNativeScrollbar(); // Set isOverflowing to false if scrollbar is not necessary (content is shorter than offset)\n\n var offsetForXScrollbar = this.axis.x.isOverflowing ? this.scrollbarWidth : 0;\n var offsetForYScrollbar = this.axis.y.isOverflowing ? this.scrollbarWidth : 0;\n this.axis.x.isOverflowing = this.axis.x.isOverflowing && contentElScrollWidth > contentWrapperElOffsetWidth - offsetForYScrollbar;\n this.axis.y.isOverflowing = this.axis.y.isOverflowing && contentElScrollHeight > contentWrapperElOffsetHeight - offsetForXScrollbar;\n this.axis.x.scrollbar.size = this.getScrollbarSize('x');\n this.axis.y.scrollbar.size = this.getScrollbarSize('y');\n this.axis.x.scrollbar.el.style.width = this.axis.x.scrollbar.size + \"px\";\n this.axis.y.scrollbar.el.style.height = this.axis.y.scrollbar.size + \"px\";\n this.positionScrollbar('x');\n this.positionScrollbar('y');\n this.toggleTrackVisibility('x');\n this.toggleTrackVisibility('y');\n }\n /**\n * Calculate scrollbar size\n */\n ;\n\n _proto.getScrollbarSize = function getScrollbarSize(axis) {\n if (axis === void 0) {\n axis = 'y';\n }\n\n if (!this.axis[axis].isOverflowing) {\n return 0;\n }\n\n var contentSize = this.contentEl[this.axis[axis].scrollSizeAttr];\n var trackSize = this.axis[axis].track.el[this.axis[axis].offsetSizeAttr];\n var scrollbarSize;\n var scrollbarRatio = trackSize / contentSize; // Calculate new height/position of drag handle.\n\n scrollbarSize = Math.max(~~(scrollbarRatio * trackSize), this.options.scrollbarMinSize);\n\n if (this.options.scrollbarMaxSize) {\n scrollbarSize = Math.min(scrollbarSize, this.options.scrollbarMaxSize);\n }\n\n return scrollbarSize;\n };\n\n _proto.positionScrollbar = function positionScrollbar(axis) {\n if (axis === void 0) {\n axis = 'y';\n }\n\n if (!this.axis[axis].isOverflowing) {\n return;\n }\n\n var contentSize = this.contentWrapperEl[this.axis[axis].scrollSizeAttr];\n var trackSize = this.axis[axis].track.el[this.axis[axis].offsetSizeAttr];\n var hostSize = parseInt(this.elStyles[this.axis[axis].sizeAttr], 10);\n var scrollbar = this.axis[axis].scrollbar;\n var scrollOffset = this.contentWrapperEl[this.axis[axis].scrollOffsetAttr];\n scrollOffset = axis === 'x' && this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollingInverted ? -scrollOffset : scrollOffset;\n var scrollPourcent = scrollOffset / (contentSize - hostSize);\n var handleOffset = ~~((trackSize - scrollbar.size) * scrollPourcent);\n handleOffset = axis === 'x' && this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollbarInverted ? handleOffset + (trackSize - scrollbar.size) : handleOffset;\n scrollbar.el.style.transform = axis === 'x' ? \"translate3d(\" + handleOffset + \"px, 0, 0)\" : \"translate3d(0, \" + handleOffset + \"px, 0)\";\n };\n\n _proto.toggleTrackVisibility = function toggleTrackVisibility(axis) {\n if (axis === void 0) {\n axis = 'y';\n }\n\n var track = this.axis[axis].track.el;\n var scrollbar = this.axis[axis].scrollbar.el;\n\n if (this.axis[axis].isOverflowing || this.axis[axis].forceVisible) {\n track.style.visibility = 'visible';\n this.contentWrapperEl.style[this.axis[axis].overflowAttr] = 'scroll';\n } else {\n track.style.visibility = 'hidden';\n this.contentWrapperEl.style[this.axis[axis].overflowAttr] = 'hidden';\n } // Even if forceVisible is enabled, scrollbar itself should be hidden\n\n\n if (this.axis[axis].isOverflowing) {\n scrollbar.style.display = 'block';\n } else {\n scrollbar.style.display = 'none';\n }\n };\n\n _proto.hideNativeScrollbar = function hideNativeScrollbar() {\n this.offsetEl.style[this.isRtl ? 'left' : 'right'] = this.axis.y.isOverflowing || this.axis.y.forceVisible ? \"-\" + this.scrollbarWidth + \"px\" : 0;\n this.offsetEl.style.bottom = this.axis.x.isOverflowing || this.axis.x.forceVisible ? \"-\" + this.scrollbarWidth + \"px\" : 0;\n }\n /**\n * On scroll event handling\n */\n ;\n\n _proto.onMouseMoveForAxis = function onMouseMoveForAxis(axis) {\n if (axis === void 0) {\n axis = 'y';\n }\n\n this.axis[axis].track.rect = this.axis[axis].track.el.getBoundingClientRect();\n this.axis[axis].scrollbar.rect = this.axis[axis].scrollbar.el.getBoundingClientRect();\n var isWithinScrollbarBoundsX = this.isWithinBounds(this.axis[axis].scrollbar.rect);\n\n if (isWithinScrollbarBoundsX) {\n this.axis[axis].scrollbar.el.classList.add(this.classNames.hover);\n } else {\n this.axis[axis].scrollbar.el.classList.remove(this.classNames.hover);\n }\n\n if (this.isWithinBounds(this.axis[axis].track.rect)) {\n this.showScrollbar(axis);\n this.axis[axis].track.el.classList.add(this.classNames.hover);\n } else {\n this.axis[axis].track.el.classList.remove(this.classNames.hover);\n }\n };\n\n _proto.onMouseLeaveForAxis = function onMouseLeaveForAxis(axis) {\n if (axis === void 0) {\n axis = 'y';\n }\n\n this.axis[axis].track.el.classList.remove(this.classNames.hover);\n this.axis[axis].scrollbar.el.classList.remove(this.classNames.hover);\n };\n\n /**\n * Show scrollbar\n */\n _proto.showScrollbar = function showScrollbar(axis) {\n if (axis === void 0) {\n axis = 'y';\n }\n\n var scrollbar = this.axis[axis].scrollbar.el;\n\n if (!this.axis[axis].isVisible) {\n scrollbar.classList.add(this.classNames.visible);\n this.axis[axis].isVisible = true;\n }\n\n if (this.options.autoHide) {\n this.hideScrollbars();\n }\n }\n /**\n * Hide Scrollbar\n */\n ;\n\n /**\n * on scrollbar handle drag movement starts\n */\n _proto.onDragStart = function onDragStart(e, axis) {\n if (axis === void 0) {\n axis = 'y';\n }\n\n var elDocument = getElementDocument(this.el);\n var elWindow = getElementWindow(this.el);\n var scrollbar = this.axis[axis].scrollbar; // Measure how far the user's mouse is from the top of the scrollbar drag handle.\n\n var eventOffset = axis === 'y' ? e.pageY : e.pageX;\n this.axis[axis].dragOffset = eventOffset - scrollbar.rect[this.axis[axis].offsetAttr];\n this.draggedAxis = axis;\n this.el.classList.add(this.classNames.dragging);\n elDocument.addEventListener('mousemove', this.drag, true);\n elDocument.addEventListener('mouseup', this.onEndDrag, true);\n\n if (this.removePreventClickId === null) {\n elDocument.addEventListener('click', this.preventClick, true);\n elDocument.addEventListener('dblclick', this.preventClick, true);\n } else {\n elWindow.clearTimeout(this.removePreventClickId);\n this.removePreventClickId = null;\n }\n }\n /**\n * Drag scrollbar handle\n */\n ;\n\n _proto.onTrackClick = function onTrackClick(e, axis) {\n var _this4 = this;\n\n if (axis === void 0) {\n axis = 'y';\n }\n\n if (!this.options.clickOnTrack) return;\n var elWindow = getElementWindow(this.el);\n this.axis[axis].scrollbar.rect = this.axis[axis].scrollbar.el.getBoundingClientRect();\n var scrollbar = this.axis[axis].scrollbar;\n var scrollbarOffset = scrollbar.rect[this.axis[axis].offsetAttr];\n var hostSize = parseInt(this.elStyles[this.axis[axis].sizeAttr], 10);\n var scrolled = this.contentWrapperEl[this.axis[axis].scrollOffsetAttr];\n var t = axis === 'y' ? this.mouseY - scrollbarOffset : this.mouseX - scrollbarOffset;\n var dir = t < 0 ? -1 : 1;\n var scrollSize = dir === -1 ? scrolled - hostSize : scrolled + hostSize;\n\n var scrollTo = function scrollTo() {\n if (dir === -1) {\n if (scrolled > scrollSize) {\n var _this4$contentWrapper;\n\n scrolled -= _this4.options.clickOnTrackSpeed;\n\n _this4.contentWrapperEl.scrollTo((_this4$contentWrapper = {}, _this4$contentWrapper[_this4.axis[axis].offsetAttr] = scrolled, _this4$contentWrapper));\n\n elWindow.requestAnimationFrame(scrollTo);\n }\n } else {\n if (scrolled < scrollSize) {\n var _this4$contentWrapper2;\n\n scrolled += _this4.options.clickOnTrackSpeed;\n\n _this4.contentWrapperEl.scrollTo((_this4$contentWrapper2 = {}, _this4$contentWrapper2[_this4.axis[axis].offsetAttr] = scrolled, _this4$contentWrapper2));\n\n elWindow.requestAnimationFrame(scrollTo);\n }\n }\n };\n\n scrollTo();\n }\n /**\n * Getter for content element\n */\n ;\n\n _proto.getContentElement = function getContentElement() {\n return this.contentEl;\n }\n /**\n * Getter for original scrolling element\n */\n ;\n\n _proto.getScrollElement = function getScrollElement() {\n return this.contentWrapperEl;\n };\n\n _proto.getScrollbarWidth = function getScrollbarWidth() {\n // Try/catch for FF 56 throwing on undefined computedStyles\n try {\n // Detect browsers supporting CSS scrollbar styling and do not calculate\n if (getComputedStyle(this.contentWrapperEl, '::-webkit-scrollbar').display === 'none' || 'scrollbarWidth' in document.documentElement.style || '-ms-overflow-style' in document.documentElement.style) {\n return 0;\n } else {\n return scrollbarWidth();\n }\n } catch (e) {\n return scrollbarWidth();\n }\n };\n\n _proto.removeListeners = function removeListeners() {\n var _this5 = this;\n\n var elWindow = getElementWindow(this.el); // Event listeners\n\n if (this.options.autoHide) {\n this.el.removeEventListener('mouseenter', this.onMouseEnter);\n }\n\n ['mousedown', 'click', 'dblclick'].forEach(function (e) {\n _this5.el.removeEventListener(e, _this5.onPointerEvent, true);\n });\n ['touchstart', 'touchend', 'touchmove'].forEach(function (e) {\n _this5.el.removeEventListener(e, _this5.onPointerEvent, {\n capture: true,\n passive: true\n });\n });\n this.el.removeEventListener('mousemove', this.onMouseMove);\n this.el.removeEventListener('mouseleave', this.onMouseLeave);\n\n if (this.contentWrapperEl) {\n this.contentWrapperEl.removeEventListener('scroll', this.onScroll);\n }\n\n elWindow.removeEventListener('resize', this.onWindowResize);\n\n if (this.mutationObserver) {\n this.mutationObserver.disconnect();\n }\n\n if (this.resizeObserver) {\n this.resizeObserver.disconnect();\n } // Cancel all debounced functions\n\n\n this.recalculate.cancel();\n this.onMouseMove.cancel();\n this.hideScrollbars.cancel();\n this.onWindowResize.cancel();\n }\n /**\n * UnMount mutation observer and delete SimpleBar instance from DOM element\n */\n ;\n\n _proto.unMount = function unMount() {\n this.removeListeners();\n SimpleBar.instances.delete(this.el);\n }\n /**\n * Check if mouse is within bounds\n */\n ;\n\n _proto.isWithinBounds = function isWithinBounds(bbox) {\n return this.mouseX >= bbox.left && this.mouseX <= bbox.left + bbox.width && this.mouseY >= bbox.top && this.mouseY <= bbox.top + bbox.height;\n }\n /**\n * Find element children matches query\n */\n ;\n\n _proto.findChild = function findChild(el, query) {\n var matches = el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector;\n return Array.prototype.filter.call(el.children, function (child) {\n return matches.call(child, query);\n })[0];\n };\n\n return SimpleBar;\n}();\n\nSimpleBar.defaultOptions = {\n autoHide: true,\n forceVisible: false,\n clickOnTrack: true,\n clickOnTrackSpeed: 40,\n classNames: {\n contentEl: 'simplebar-content',\n contentWrapper: 'simplebar-content-wrapper',\n offset: 'simplebar-offset',\n mask: 'simplebar-mask',\n wrapper: 'simplebar-wrapper',\n placeholder: 'simplebar-placeholder',\n scrollbar: 'simplebar-scrollbar',\n track: 'simplebar-track',\n heightAutoObserverWrapperEl: 'simplebar-height-auto-observer-wrapper',\n heightAutoObserverEl: 'simplebar-height-auto-observer',\n visible: 'simplebar-visible',\n horizontal: 'simplebar-horizontal',\n vertical: 'simplebar-vertical',\n hover: 'simplebar-hover',\n dragging: 'simplebar-dragging'\n },\n scrollbarMinSize: 25,\n scrollbarMaxSize: 0,\n timeout: 1000\n};\nSimpleBar.instances = new WeakMap();\n\nSimpleBar.initDOMLoadedElements = function () {\n document.removeEventListener('DOMContentLoaded', this.initDOMLoadedElements);\n window.removeEventListener('load', this.initDOMLoadedElements);\n Array.prototype.forEach.call(document.querySelectorAll('[data-simplebar]'), function (el) {\n if (el.getAttribute('data-simplebar') !== 'init' && !SimpleBar.instances.has(el)) new SimpleBar(el, getOptions(el.attributes));\n });\n};\n\nSimpleBar.removeObserver = function () {\n this.globalObserver.disconnect();\n};\n\nSimpleBar.initHtmlApi = function () {\n this.initDOMLoadedElements = this.initDOMLoadedElements.bind(this); // MutationObserver is IE11+\n\n if (typeof MutationObserver !== 'undefined') {\n // Mutation observer to observe dynamically added elements\n this.globalObserver = new MutationObserver(SimpleBar.handleMutations);\n this.globalObserver.observe(document, {\n childList: true,\n subtree: true\n });\n } // Taken from jQuery `ready` function\n // Instantiate elements already present on the page\n\n\n if (document.readyState === 'complete' || document.readyState !== 'loading' && !document.documentElement.doScroll) {\n // Handle it asynchronously to allow scripts the opportunity to delay init\n window.setTimeout(this.initDOMLoadedElements);\n } else {\n document.addEventListener('DOMContentLoaded', this.initDOMLoadedElements);\n window.addEventListener('load', this.initDOMLoadedElements);\n }\n};\n\nSimpleBar.handleMutations = function (mutations) {\n mutations.forEach(function (mutation) {\n Array.prototype.forEach.call(mutation.addedNodes, function (addedNode) {\n if (addedNode.nodeType === 1) {\n if (addedNode.hasAttribute('data-simplebar')) {\n !SimpleBar.instances.has(addedNode) && new SimpleBar(addedNode, getOptions(addedNode.attributes));\n } else {\n Array.prototype.forEach.call(addedNode.querySelectorAll('[data-simplebar]'), function (el) {\n if (el.getAttribute('data-simplebar') !== 'init' && !SimpleBar.instances.has(el)) new SimpleBar(el, getOptions(el.attributes));\n });\n }\n }\n });\n Array.prototype.forEach.call(mutation.removedNodes, function (removedNode) {\n if (removedNode.nodeType === 1) {\n if (removedNode.hasAttribute('[data-simplebar=\"init\"]')) {\n SimpleBar.instances.has(removedNode) && SimpleBar.instances.get(removedNode).unMount();\n } else {\n Array.prototype.forEach.call(removedNode.querySelectorAll('[data-simplebar=\"init\"]'), function (el) {\n SimpleBar.instances.has(el) && SimpleBar.instances.get(el).unMount();\n });\n }\n }\n });\n });\n};\n\nSimpleBar.getOptions = getOptions;\n/**\n * HTML API\n * Called only in a browser env.\n */\n\nif (canUseDOM) {\n SimpleBar.initHtmlApi();\n}\n\nexport default SimpleBar;\n//# sourceMappingURL=simplebar.esm.js.map\n","/**\n * simplebar-vue - v1.6.0\n * Vue component for SimpleBar\n * https://grsmto.github.io/simplebar/\n *\n * Made by Piers Olenski\n * Under MIT License\n */\n\nimport 'core-js/modules/es.array.concat';\nimport SimpleBar from 'simplebar';\n\n//\nvar script = {\n name: 'simplebar-vue',\n mounted: function mounted() {\n var options = SimpleBar.getOptions(this.$refs.element.attributes);\n this.SimpleBar = new SimpleBar(this.$refs.element, options);\n },\n computed: {\n scrollElement: function scrollElement() {\n return this.$refs.scrollElement;\n },\n contentElement: function contentElement() {\n return this.$refs.contentElement;\n }\n }\n};\n\nvar __vue_script__ = script;\n/* template */\n\nvar __vue_render__ = function __vue_render__() {\n var _vm = this;\n\n var _h = _vm.$createElement;\n\n var _c = _vm._self._c || _h;\n\n return _c(\"div\", {\n ref: \"element\"\n }, [_c(\"div\", {\n staticClass: \"simplebar-wrapper\"\n }, [_vm._m(0), _vm._v(\" \"), _c(\"div\", {\n staticClass: \"simplebar-mask\"\n }, [_c(\"div\", {\n staticClass: \"simplebar-offset\"\n }, [_c(\"div\", {\n ref: \"scrollElement\",\n staticClass: \"simplebar-content-wrapper\"\n }, [_c(\"div\", {\n ref: \"contentElement\",\n staticClass: \"simplebar-content\"\n }, [_vm._t(\"default\")], 2)])])]), _vm._v(\" \"), _c(\"div\", {\n staticClass: \"simplebar-placeholder\"\n })]), _vm._v(\" \"), _vm._m(1), _vm._v(\" \"), _vm._m(2)]);\n};\n\nvar __vue_staticRenderFns__ = [function () {\n var _vm = this;\n\n var _h = _vm.$createElement;\n\n var _c = _vm._self._c || _h;\n\n return _c(\"div\", {\n staticClass: \"simplebar-height-auto-observer-wrapper\"\n }, [_c(\"div\", {\n staticClass: \"simplebar-height-auto-observer\"\n })]);\n}, function () {\n var _vm = this;\n\n var _h = _vm.$createElement;\n\n var _c = _vm._self._c || _h;\n\n return _c(\"div\", {\n staticClass: \"simplebar-track simplebar-horizontal\"\n }, [_c(\"div\", {\n staticClass: \"simplebar-scrollbar\"\n })]);\n}, function () {\n var _vm = this;\n\n var _h = _vm.$createElement;\n\n var _c = _vm._self._c || _h;\n\n return _c(\"div\", {\n staticClass: \"simplebar-track simplebar-vertical\"\n }, [_c(\"div\", {\n staticClass: \"simplebar-scrollbar\"\n })]);\n}];\n__vue_render__._withStripped = true;\n/* style */\n\nvar __vue_inject_styles__ = undefined;\n/* scoped */\n\nvar __vue_scope_id__ = undefined;\n/* functional template */\n\nvar __vue_is_functional_template__ = false;\n/* component normalizer */\n\nfunction __vue_normalize__(template, style, script, scope, functional, moduleIdentifier, createInjector, createInjectorSSR) {\n var component = (typeof script === 'function' ? script.options : script) || {}; // For security concerns, we use only base name in production mode.\n\n component.__file = \"/Users/adriendenat/Sites/simplebar/packages/simplebar-vue/index.vue\";\n\n if (!component.render) {\n component.render = template.render;\n component.staticRenderFns = template.staticRenderFns;\n component._compiled = true;\n if (functional) component.functional = true;\n }\n\n component._scopeId = scope;\n\n return component;\n}\n/* style inject */\n\n/* style inject SSR */\n\n\nvar simplebar = __vue_normalize__({\n render: __vue_render__,\n staticRenderFns: __vue_staticRenderFns__\n}, __vue_inject_styles__, __vue_script__, __vue_scope_id__, __vue_is_functional_template__);\n\nexport default simplebar;\n","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('b-modal',{attrs:{\"id\":_vm.propId ? (\"print-options-modal-\" + _vm.propId) : \"print-options-modal\",\"title\":\"Print Options\",\"size\":\"md\",\"title-class\":\"font-18\",\"hide-footer\":\"\",\"no-close-on-backdrop\":\"\"}},[_c('div',{staticClass:\"d-flex justify-content-center\"},[_c('div',{staticClass:\"cursor-pointer text-center mb-2 print-opt\",on:{\"click\":function($event){return _vm.print(0)}}},[_c('img',{staticClass:\"print-icons\",attrs:{\"src\":_vm.pdfIcon,\"alt\":\"PDF Icon\",\"loading\":\"lazy\"}})]),_c('div',{staticClass:\"cursor-pointer text-center mb-2 print-opt\",on:{\"click\":function($event){return _vm.print(1)}}},[_c('img',{staticClass:\"print-icons\",attrs:{\"src\":_vm.xlsIcon,\"alt\":\"Excel Icon\",\"loading\":\"lazy\"}})]),_c('div',{staticClass:\"cursor-pointer text-center mb-2 print-opt\",on:{\"click\":function($event){return _vm.print(2)}}},[_c('img',{staticClass:\"print-icons\",attrs:{\"src\":_vm.docIcon,\"alt\":\"Document Icon\",\"loading\":\"lazy\"}})])])])}\nvar staticRenderFns = []\n\nexport { render, staticRenderFns }","\r\n\r\n \r\n
\r\n \r\n \r\n
\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n","import mod from \"-!../../../node_modules/cache-loader/dist/cjs.js??ref--12-0!../../../node_modules/thread-loader/dist/cjs.js!../../../node_modules/babel-loader/lib/index.js!../../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./print-options.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../../../node_modules/cache-loader/dist/cjs.js??ref--12-0!../../../node_modules/thread-loader/dist/cjs.js!../../../node_modules/babel-loader/lib/index.js!../../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./print-options.vue?vue&type=script&lang=js&\"","import { render, staticRenderFns } from \"./print-options.vue?vue&type=template&id=77139dd8&\"\nimport script from \"./print-options.vue?vue&type=script&lang=js&\"\nexport * from \"./print-options.vue?vue&type=script&lang=js&\"\n\n\n/* normalize component */\nimport normalizer from \"!../../../node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n script,\n render,\n staticRenderFns,\n false,\n null,\n null,\n null\n \n)\n\nexport default component.exports","module.exports = __webpack_public_path__ + \"img/layout-2.5afd4b42.jpg\";","module.exports = __webpack_public_path__ + \"img/g-white.c9464889.png\";","'use strict';\nvar redefineAll = require('../internals/redefine-all');\nvar getWeakData = require('../internals/internal-metadata').getWeakData;\nvar anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar ArrayIterationModule = require('../internals/array-iteration');\nvar $has = require('../internals/has');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\nvar find = ArrayIterationModule.find;\nvar findIndex = ArrayIterationModule.findIndex;\nvar id = 0;\n\n// fallback for uncaught frozen keys\nvar uncaughtFrozenStore = function (store) {\n return store.frozen || (store.frozen = new UncaughtFrozenStore());\n};\n\nvar UncaughtFrozenStore = function () {\n this.entries = [];\n};\n\nvar findUncaughtFrozen = function (store, key) {\n return find(store.entries, function (it) {\n return it[0] === key;\n });\n};\n\nUncaughtFrozenStore.prototype = {\n get: function (key) {\n var entry = findUncaughtFrozen(this, key);\n if (entry) return entry[1];\n },\n has: function (key) {\n return !!findUncaughtFrozen(this, key);\n },\n set: function (key, value) {\n var entry = findUncaughtFrozen(this, key);\n if (entry) entry[1] = value;\n else this.entries.push([key, value]);\n },\n 'delete': function (key) {\n var index = findIndex(this.entries, function (it) {\n return it[0] === key;\n });\n if (~index) this.entries.splice(index, 1);\n return !!~index;\n }\n};\n\nmodule.exports = {\n getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n var C = wrapper(function (that, iterable) {\n anInstance(that, C, CONSTRUCTOR_NAME);\n setInternalState(that, {\n type: CONSTRUCTOR_NAME,\n id: id++,\n frozen: undefined\n });\n if (iterable != undefined) iterate(iterable, that[ADDER], { that: that, AS_ENTRIES: IS_MAP });\n });\n\n var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n var define = function (that, key, value) {\n var state = getInternalState(that);\n var data = getWeakData(anObject(key), true);\n if (data === true) uncaughtFrozenStore(state).set(key, value);\n else data[state.id] = value;\n return that;\n };\n\n redefineAll(C.prototype, {\n // 23.3.3.2 WeakMap.prototype.delete(key)\n // 23.4.3.3 WeakSet.prototype.delete(value)\n 'delete': function (key) {\n var state = getInternalState(this);\n if (!isObject(key)) return false;\n var data = getWeakData(key);\n if (data === true) return uncaughtFrozenStore(state)['delete'](key);\n return data && $has(data, state.id) && delete data[state.id];\n },\n // 23.3.3.4 WeakMap.prototype.has(key)\n // 23.4.3.4 WeakSet.prototype.has(value)\n has: function has(key) {\n var state = getInternalState(this);\n if (!isObject(key)) return false;\n var data = getWeakData(key);\n if (data === true) return uncaughtFrozenStore(state).has(key);\n return data && $has(data, state.id);\n }\n });\n\n redefineAll(C.prototype, IS_MAP ? {\n // 23.3.3.3 WeakMap.prototype.get(key)\n get: function get(key) {\n var state = getInternalState(this);\n if (isObject(key)) {\n var data = getWeakData(key);\n if (data === true) return uncaughtFrozenStore(state).get(key);\n return data ? data[state.id] : undefined;\n }\n },\n // 23.3.3.5 WeakMap.prototype.set(key, value)\n set: function set(key, value) {\n return define(this, key, value);\n }\n } : {\n // 23.4.3.1 WeakSet.prototype.add(value)\n add: function add(value) {\n return define(this, value, true);\n }\n });\n\n return C;\n }\n};\n","var $ = require('../internals/export');\nvar lastIndexOf = require('../internals/array-last-index-of');\n\n// `Array.prototype.lastIndexOf` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof\n$({ target: 'Array', proto: true, forced: lastIndexOf !== [].lastIndexOf }, {\n lastIndexOf: lastIndexOf\n});\n","module.exports = __webpack_public_path__ + \"img/giams-logo.1769c5e3.svg\";","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n// 0, 2, 10, 30 second delays before reconnect attempts.\r\nconst DEFAULT_RETRY_DELAYS_IN_MILLISECONDS = [0, 2000, 10000, 30000, null];\r\n/** @private */\r\nexport class DefaultReconnectPolicy {\r\n constructor(retryDelays) {\r\n this._retryDelays = retryDelays !== undefined ? [...retryDelays, null] : DEFAULT_RETRY_DELAYS_IN_MILLISECONDS;\r\n }\r\n nextRetryDelayInMilliseconds(retryContext) {\r\n return this._retryDelays[retryContext.previousRetryCount];\r\n }\r\n}\r\n//# sourceMappingURL=DefaultReconnectPolicy.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n/** Error thrown when an HTTP request fails. */\r\nexport class HttpError extends Error {\r\n /** Constructs a new instance of {@link @microsoft/signalr.HttpError}.\r\n *\r\n * @param {string} errorMessage A descriptive error message.\r\n * @param {number} statusCode The HTTP status code represented by this error.\r\n */\r\n constructor(errorMessage, statusCode) {\r\n const trueProto = new.target.prototype;\r\n super(`${errorMessage}: Status code '${statusCode}'`);\r\n this.statusCode = statusCode;\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n/** Error thrown when a timeout elapses. */\r\nexport class TimeoutError extends Error {\r\n /** Constructs a new instance of {@link @microsoft/signalr.TimeoutError}.\r\n *\r\n * @param {string} errorMessage A descriptive error message.\r\n */\r\n constructor(errorMessage = \"A timeout occurred.\") {\r\n const trueProto = new.target.prototype;\r\n super(errorMessage);\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n/** Error thrown when an action is aborted. */\r\nexport class AbortError extends Error {\r\n /** Constructs a new instance of {@link AbortError}.\r\n *\r\n * @param {string} errorMessage A descriptive error message.\r\n */\r\n constructor(errorMessage = \"An abort occurred.\") {\r\n const trueProto = new.target.prototype;\r\n super(errorMessage);\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n/** Error thrown when the selected transport is unsupported by the browser. */\r\n/** @private */\r\nexport class UnsupportedTransportError extends Error {\r\n /** Constructs a new instance of {@link @microsoft/signalr.UnsupportedTransportError}.\r\n *\r\n * @param {string} message A descriptive error message.\r\n * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occured on.\r\n */\r\n constructor(message, transport) {\r\n const trueProto = new.target.prototype;\r\n super(message);\r\n this.transport = transport;\r\n this.errorType = 'UnsupportedTransportError';\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n/** Error thrown when the selected transport is disabled by the browser. */\r\n/** @private */\r\nexport class DisabledTransportError extends Error {\r\n /** Constructs a new instance of {@link @microsoft/signalr.DisabledTransportError}.\r\n *\r\n * @param {string} message A descriptive error message.\r\n * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occured on.\r\n */\r\n constructor(message, transport) {\r\n const trueProto = new.target.prototype;\r\n super(message);\r\n this.transport = transport;\r\n this.errorType = 'DisabledTransportError';\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n/** Error thrown when the selected transport cannot be started. */\r\n/** @private */\r\nexport class FailedToStartTransportError extends Error {\r\n /** Constructs a new instance of {@link @microsoft/signalr.FailedToStartTransportError}.\r\n *\r\n * @param {string} message A descriptive error message.\r\n * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occured on.\r\n */\r\n constructor(message, transport) {\r\n const trueProto = new.target.prototype;\r\n super(message);\r\n this.transport = transport;\r\n this.errorType = 'FailedToStartTransportError';\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n/** Error thrown when the negotiation with the server failed to complete. */\r\n/** @private */\r\nexport class FailedToNegotiateWithServerError extends Error {\r\n /** Constructs a new instance of {@link @microsoft/signalr.FailedToNegotiateWithServerError}.\r\n *\r\n * @param {string} message A descriptive error message.\r\n */\r\n constructor(message) {\r\n const trueProto = new.target.prototype;\r\n super(message);\r\n this.errorType = 'FailedToNegotiateWithServerError';\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n/** Error thrown when multiple errors have occured. */\r\n/** @private */\r\nexport class AggregateErrors extends Error {\r\n /** Constructs a new instance of {@link @microsoft/signalr.AggregateErrors}.\r\n *\r\n * @param {string} message A descriptive error message.\r\n * @param {Error[]} innerErrors The collection of errors this error is aggregating.\r\n */\r\n constructor(message, innerErrors) {\r\n const trueProto = new.target.prototype;\r\n super(message);\r\n this.innerErrors = innerErrors;\r\n // Workaround issue in Typescript compiler\r\n // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200\r\n this.__proto__ = trueProto;\r\n }\r\n}\r\n//# sourceMappingURL=Errors.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n/** Represents an HTTP response. */\r\nexport class HttpResponse {\r\n constructor(statusCode, statusText, content) {\r\n this.statusCode = statusCode;\r\n this.statusText = statusText;\r\n this.content = content;\r\n }\r\n}\r\n/** Abstraction over an HTTP client.\r\n *\r\n * This class provides an abstraction over an HTTP client so that a different implementation can be provided on different platforms.\r\n */\r\nexport class HttpClient {\r\n get(url, options) {\r\n return this.send({\r\n ...options,\r\n method: \"GET\",\r\n url,\r\n });\r\n }\r\n post(url, options) {\r\n return this.send({\r\n ...options,\r\n method: \"POST\",\r\n url,\r\n });\r\n }\r\n delete(url, options) {\r\n return this.send({\r\n ...options,\r\n method: \"DELETE\",\r\n url,\r\n });\r\n }\r\n /** Gets all cookies that apply to the specified URL.\r\n *\r\n * @param url The URL that the cookies are valid for.\r\n * @returns {string} A string containing all the key-value cookie pairs for the specified URL.\r\n */\r\n // @ts-ignore\r\n getCookieString(url) {\r\n return \"\";\r\n }\r\n}\r\n//# sourceMappingURL=HttpClient.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n// This will be treated as a bit flag in the future, so we keep it using power-of-two values.\r\n/** Specifies a specific HTTP transport type. */\r\nexport var HttpTransportType;\r\n(function (HttpTransportType) {\r\n /** Specifies no transport preference. */\r\n HttpTransportType[HttpTransportType[\"None\"] = 0] = \"None\";\r\n /** Specifies the WebSockets transport. */\r\n HttpTransportType[HttpTransportType[\"WebSockets\"] = 1] = \"WebSockets\";\r\n /** Specifies the Server-Sent Events transport. */\r\n HttpTransportType[HttpTransportType[\"ServerSentEvents\"] = 2] = \"ServerSentEvents\";\r\n /** Specifies the Long Polling transport. */\r\n HttpTransportType[HttpTransportType[\"LongPolling\"] = 4] = \"LongPolling\";\r\n})(HttpTransportType || (HttpTransportType = {}));\r\n/** Specifies the transfer format for a connection. */\r\nexport var TransferFormat;\r\n(function (TransferFormat) {\r\n /** Specifies that only text data will be transmitted over the connection. */\r\n TransferFormat[TransferFormat[\"Text\"] = 1] = \"Text\";\r\n /** Specifies that binary data will be transmitted over the connection. */\r\n TransferFormat[TransferFormat[\"Binary\"] = 2] = \"Binary\";\r\n})(TransferFormat || (TransferFormat = {}));\r\n//# sourceMappingURL=ITransport.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { AbortError, HttpError, TimeoutError } from \"./Errors\";\r\nimport { HttpClient, HttpResponse } from \"./HttpClient\";\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { Platform, getGlobalThis } from \"./Utils\";\r\nexport class FetchHttpClient extends HttpClient {\r\n constructor(logger) {\r\n super();\r\n this._logger = logger;\r\n if (typeof fetch === \"undefined\") {\r\n // In order to ignore the dynamic require in webpack builds we need to do this magic\r\n // @ts-ignore: TS doesn't know about these names\r\n const requireFunc = typeof __webpack_require__ === \"function\" ? __non_webpack_require__ : require;\r\n // Cookies aren't automatically handled in Node so we need to add a CookieJar to preserve cookies across requests\r\n this._jar = new (requireFunc(\"tough-cookie\")).CookieJar();\r\n this._fetchType = requireFunc(\"node-fetch\");\r\n // node-fetch doesn't have a nice API for getting and setting cookies\r\n // fetch-cookie will wrap a fetch implementation with a default CookieJar or a provided one\r\n this._fetchType = requireFunc(\"fetch-cookie\")(this._fetchType, this._jar);\r\n }\r\n else {\r\n this._fetchType = fetch.bind(getGlobalThis());\r\n }\r\n if (typeof AbortController === \"undefined\") {\r\n // In order to ignore the dynamic require in webpack builds we need to do this magic\r\n // @ts-ignore: TS doesn't know about these names\r\n const requireFunc = typeof __webpack_require__ === \"function\" ? __non_webpack_require__ : require;\r\n // Node needs EventListener methods on AbortController which our custom polyfill doesn't provide\r\n this._abortControllerType = requireFunc(\"abort-controller\");\r\n }\r\n else {\r\n this._abortControllerType = AbortController;\r\n }\r\n }\r\n /** @inheritDoc */\r\n async send(request) {\r\n // Check that abort was not signaled before calling send\r\n if (request.abortSignal && request.abortSignal.aborted) {\r\n throw new AbortError();\r\n }\r\n if (!request.method) {\r\n throw new Error(\"No method defined.\");\r\n }\r\n if (!request.url) {\r\n throw new Error(\"No url defined.\");\r\n }\r\n const abortController = new this._abortControllerType();\r\n let error;\r\n // Hook our abortSignal into the abort controller\r\n if (request.abortSignal) {\r\n request.abortSignal.onabort = () => {\r\n abortController.abort();\r\n error = new AbortError();\r\n };\r\n }\r\n // If a timeout has been passed in, setup a timeout to call abort\r\n // Type needs to be any to fit window.setTimeout and NodeJS.setTimeout\r\n let timeoutId = null;\r\n if (request.timeout) {\r\n const msTimeout = request.timeout;\r\n timeoutId = setTimeout(() => {\r\n abortController.abort();\r\n this._logger.log(LogLevel.Warning, `Timeout from HTTP request.`);\r\n error = new TimeoutError();\r\n }, msTimeout);\r\n }\r\n let response;\r\n try {\r\n response = await this._fetchType(request.url, {\r\n body: request.content,\r\n cache: \"no-cache\",\r\n credentials: request.withCredentials === true ? \"include\" : \"same-origin\",\r\n headers: {\r\n \"Content-Type\": \"text/plain;charset=UTF-8\",\r\n \"X-Requested-With\": \"XMLHttpRequest\",\r\n ...request.headers,\r\n },\r\n method: request.method,\r\n mode: \"cors\",\r\n redirect: \"follow\",\r\n signal: abortController.signal,\r\n });\r\n }\r\n catch (e) {\r\n if (error) {\r\n throw error;\r\n }\r\n this._logger.log(LogLevel.Warning, `Error from HTTP request. ${e}.`);\r\n throw e;\r\n }\r\n finally {\r\n if (timeoutId) {\r\n clearTimeout(timeoutId);\r\n }\r\n if (request.abortSignal) {\r\n request.abortSignal.onabort = null;\r\n }\r\n }\r\n if (!response.ok) {\r\n const errorMessage = await deserializeContent(response, \"text\");\r\n throw new HttpError(errorMessage || response.statusText, response.status);\r\n }\r\n const content = deserializeContent(response, request.responseType);\r\n const payload = await content;\r\n return new HttpResponse(response.status, response.statusText, payload);\r\n }\r\n getCookieString(url) {\r\n let cookies = \"\";\r\n if (Platform.isNode && this._jar) {\r\n // @ts-ignore: unused variable\r\n this._jar.getCookies(url, (e, c) => cookies = c.join(\"; \"));\r\n }\r\n return cookies;\r\n }\r\n}\r\nfunction deserializeContent(response, responseType) {\r\n let content;\r\n switch (responseType) {\r\n case \"arraybuffer\":\r\n content = response.arrayBuffer();\r\n break;\r\n case \"text\":\r\n content = response.text();\r\n break;\r\n case \"blob\":\r\n case \"document\":\r\n case \"json\":\r\n throw new Error(`${responseType} is not supported.`);\r\n default:\r\n content = response.text();\r\n break;\r\n }\r\n return content;\r\n}\r\n//# sourceMappingURL=FetchHttpClient.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { AbortError, HttpError, TimeoutError } from \"./Errors\";\r\nimport { HttpClient, HttpResponse } from \"./HttpClient\";\r\nimport { LogLevel } from \"./ILogger\";\r\nexport class XhrHttpClient extends HttpClient {\r\n constructor(logger) {\r\n super();\r\n this._logger = logger;\r\n }\r\n /** @inheritDoc */\r\n send(request) {\r\n // Check that abort was not signaled before calling send\r\n if (request.abortSignal && request.abortSignal.aborted) {\r\n return Promise.reject(new AbortError());\r\n }\r\n if (!request.method) {\r\n return Promise.reject(new Error(\"No method defined.\"));\r\n }\r\n if (!request.url) {\r\n return Promise.reject(new Error(\"No url defined.\"));\r\n }\r\n return new Promise((resolve, reject) => {\r\n const xhr = new XMLHttpRequest();\r\n xhr.open(request.method, request.url, true);\r\n xhr.withCredentials = request.withCredentials === undefined ? true : request.withCredentials;\r\n xhr.setRequestHeader(\"X-Requested-With\", \"XMLHttpRequest\");\r\n // Explicitly setting the Content-Type header for React Native on Android platform.\r\n xhr.setRequestHeader(\"Content-Type\", \"text/plain;charset=UTF-8\");\r\n const headers = request.headers;\r\n if (headers) {\r\n Object.keys(headers)\r\n .forEach((header) => {\r\n xhr.setRequestHeader(header, headers[header]);\r\n });\r\n }\r\n if (request.responseType) {\r\n xhr.responseType = request.responseType;\r\n }\r\n if (request.abortSignal) {\r\n request.abortSignal.onabort = () => {\r\n xhr.abort();\r\n reject(new AbortError());\r\n };\r\n }\r\n if (request.timeout) {\r\n xhr.timeout = request.timeout;\r\n }\r\n xhr.onload = () => {\r\n if (request.abortSignal) {\r\n request.abortSignal.onabort = null;\r\n }\r\n if (xhr.status >= 200 && xhr.status < 300) {\r\n resolve(new HttpResponse(xhr.status, xhr.statusText, xhr.response || xhr.responseText));\r\n }\r\n else {\r\n reject(new HttpError(xhr.response || xhr.responseText || xhr.statusText, xhr.status));\r\n }\r\n };\r\n xhr.onerror = () => {\r\n this._logger.log(LogLevel.Warning, `Error from HTTP request. ${xhr.status}: ${xhr.statusText}.`);\r\n reject(new HttpError(xhr.statusText, xhr.status));\r\n };\r\n xhr.ontimeout = () => {\r\n this._logger.log(LogLevel.Warning, `Timeout from HTTP request.`);\r\n reject(new TimeoutError());\r\n };\r\n xhr.send(request.content || \"\");\r\n });\r\n }\r\n}\r\n//# sourceMappingURL=XhrHttpClient.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { AbortError } from \"./Errors\";\r\nimport { FetchHttpClient } from \"./FetchHttpClient\";\r\nimport { HttpClient } from \"./HttpClient\";\r\nimport { Platform } from \"./Utils\";\r\nimport { XhrHttpClient } from \"./XhrHttpClient\";\r\n/** Default implementation of {@link @microsoft/signalr.HttpClient}. */\r\nexport class DefaultHttpClient extends HttpClient {\r\n /** Creates a new instance of the {@link @microsoft/signalr.DefaultHttpClient}, using the provided {@link @microsoft/signalr.ILogger} to log messages. */\r\n constructor(logger) {\r\n super();\r\n if (typeof fetch !== \"undefined\" || Platform.isNode) {\r\n this._httpClient = new FetchHttpClient(logger);\r\n }\r\n else if (typeof XMLHttpRequest !== \"undefined\") {\r\n this._httpClient = new XhrHttpClient(logger);\r\n }\r\n else {\r\n throw new Error(\"No usable HttpClient found.\");\r\n }\r\n }\r\n /** @inheritDoc */\r\n send(request) {\r\n // Check that abort was not signaled before calling send\r\n if (request.abortSignal && request.abortSignal.aborted) {\r\n return Promise.reject(new AbortError());\r\n }\r\n if (!request.method) {\r\n return Promise.reject(new Error(\"No method defined.\"));\r\n }\r\n if (!request.url) {\r\n return Promise.reject(new Error(\"No url defined.\"));\r\n }\r\n return this._httpClient.send(request);\r\n }\r\n getCookieString(url) {\r\n return this._httpClient.getCookieString(url);\r\n }\r\n}\r\n//# sourceMappingURL=DefaultHttpClient.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nexport class HeaderNames {\r\n}\r\nHeaderNames.Authorization = \"Authorization\";\r\nHeaderNames.Cookie = \"Cookie\";\r\n//# sourceMappingURL=HeaderNames.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n// Rough polyfill of https://developer.mozilla.org/en-US/docs/Web/API/AbortController\r\n// We don't actually ever use the API being polyfilled, we always use the polyfill because\r\n// it's a very new API right now.\r\n// Not exported from index.\r\n/** @private */\r\nexport class AbortController {\r\n constructor() {\r\n this._isAborted = false;\r\n this.onabort = null;\r\n }\r\n abort() {\r\n if (!this._isAborted) {\r\n this._isAborted = true;\r\n if (this.onabort) {\r\n this.onabort();\r\n }\r\n }\r\n }\r\n get signal() {\r\n return this;\r\n }\r\n get aborted() {\r\n return this._isAborted;\r\n }\r\n}\r\n//# sourceMappingURL=AbortController.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { AbortController } from \"./AbortController\";\r\nimport { HttpError, TimeoutError } from \"./Errors\";\r\nimport { HeaderNames } from \"./HeaderNames\";\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { TransferFormat } from \"./ITransport\";\r\nimport { Arg, getDataDetail, getUserAgentHeader, sendMessage } from \"./Utils\";\r\n// Not exported from 'index', this type is internal.\r\n/** @private */\r\nexport class LongPollingTransport {\r\n constructor(httpClient, accessTokenFactory, logger, options) {\r\n this._httpClient = httpClient;\r\n this._accessTokenFactory = accessTokenFactory;\r\n this._logger = logger;\r\n this._pollAbort = new AbortController();\r\n this._options = options;\r\n this._running = false;\r\n this.onreceive = null;\r\n this.onclose = null;\r\n }\r\n // This is an internal type, not exported from 'index' so this is really just internal.\r\n get pollAborted() {\r\n return this._pollAbort.aborted;\r\n }\r\n async connect(url, transferFormat) {\r\n Arg.isRequired(url, \"url\");\r\n Arg.isRequired(transferFormat, \"transferFormat\");\r\n Arg.isIn(transferFormat, TransferFormat, \"transferFormat\");\r\n this._url = url;\r\n this._logger.log(LogLevel.Trace, \"(LongPolling transport) Connecting.\");\r\n // Allow binary format on Node and Browsers that support binary content (indicated by the presence of responseType property)\r\n if (transferFormat === TransferFormat.Binary &&\r\n (typeof XMLHttpRequest !== \"undefined\" && typeof new XMLHttpRequest().responseType !== \"string\")) {\r\n throw new Error(\"Binary protocols over XmlHttpRequest not implementing advanced features are not supported.\");\r\n }\r\n const [name, value] = getUserAgentHeader();\r\n const headers = { [name]: value, ...this._options.headers };\r\n const pollOptions = {\r\n abortSignal: this._pollAbort.signal,\r\n headers,\r\n timeout: 100000,\r\n withCredentials: this._options.withCredentials,\r\n };\r\n if (transferFormat === TransferFormat.Binary) {\r\n pollOptions.responseType = \"arraybuffer\";\r\n }\r\n const token = await this._getAccessToken();\r\n this._updateHeaderToken(pollOptions, token);\r\n // Make initial long polling request\r\n // Server uses first long polling request to finish initializing connection and it returns without data\r\n const pollUrl = `${url}&_=${Date.now()}`;\r\n this._logger.log(LogLevel.Trace, `(LongPolling transport) polling: ${pollUrl}.`);\r\n const response = await this._httpClient.get(pollUrl, pollOptions);\r\n if (response.statusCode !== 200) {\r\n this._logger.log(LogLevel.Error, `(LongPolling transport) Unexpected response code: ${response.statusCode}.`);\r\n // Mark running as false so that the poll immediately ends and runs the close logic\r\n this._closeError = new HttpError(response.statusText || \"\", response.statusCode);\r\n this._running = false;\r\n }\r\n else {\r\n this._running = true;\r\n }\r\n this._receiving = this._poll(this._url, pollOptions);\r\n }\r\n async _getAccessToken() {\r\n if (this._accessTokenFactory) {\r\n return await this._accessTokenFactory();\r\n }\r\n return null;\r\n }\r\n _updateHeaderToken(request, token) {\r\n if (!request.headers) {\r\n request.headers = {};\r\n }\r\n if (token) {\r\n request.headers[HeaderNames.Authorization] = `Bearer ${token}`;\r\n return;\r\n }\r\n if (request.headers[HeaderNames.Authorization]) {\r\n delete request.headers[HeaderNames.Authorization];\r\n }\r\n }\r\n async _poll(url, pollOptions) {\r\n try {\r\n while (this._running) {\r\n // We have to get the access token on each poll, in case it changes\r\n const token = await this._getAccessToken();\r\n this._updateHeaderToken(pollOptions, token);\r\n try {\r\n const pollUrl = `${url}&_=${Date.now()}`;\r\n this._logger.log(LogLevel.Trace, `(LongPolling transport) polling: ${pollUrl}.`);\r\n const response = await this._httpClient.get(pollUrl, pollOptions);\r\n if (response.statusCode === 204) {\r\n this._logger.log(LogLevel.Information, \"(LongPolling transport) Poll terminated by server.\");\r\n this._running = false;\r\n }\r\n else if (response.statusCode !== 200) {\r\n this._logger.log(LogLevel.Error, `(LongPolling transport) Unexpected response code: ${response.statusCode}.`);\r\n // Unexpected status code\r\n this._closeError = new HttpError(response.statusText || \"\", response.statusCode);\r\n this._running = false;\r\n }\r\n else {\r\n // Process the response\r\n if (response.content) {\r\n this._logger.log(LogLevel.Trace, `(LongPolling transport) data received. ${getDataDetail(response.content, this._options.logMessageContent)}.`);\r\n if (this.onreceive) {\r\n this.onreceive(response.content);\r\n }\r\n }\r\n else {\r\n // This is another way timeout manifest.\r\n this._logger.log(LogLevel.Trace, \"(LongPolling transport) Poll timed out, reissuing.\");\r\n }\r\n }\r\n }\r\n catch (e) {\r\n if (!this._running) {\r\n // Log but disregard errors that occur after stopping\r\n this._logger.log(LogLevel.Trace, `(LongPolling transport) Poll errored after shutdown: ${e.message}`);\r\n }\r\n else {\r\n if (e instanceof TimeoutError) {\r\n // Ignore timeouts and reissue the poll.\r\n this._logger.log(LogLevel.Trace, \"(LongPolling transport) Poll timed out, reissuing.\");\r\n }\r\n else {\r\n // Close the connection with the error as the result.\r\n this._closeError = e;\r\n this._running = false;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n finally {\r\n this._logger.log(LogLevel.Trace, \"(LongPolling transport) Polling complete.\");\r\n // We will reach here with pollAborted==false when the server returned a response causing the transport to stop.\r\n // If pollAborted==true then client initiated the stop and the stop method will raise the close event after DELETE is sent.\r\n if (!this.pollAborted) {\r\n this._raiseOnClose();\r\n }\r\n }\r\n }\r\n async send(data) {\r\n if (!this._running) {\r\n return Promise.reject(new Error(\"Cannot send until the transport is connected\"));\r\n }\r\n return sendMessage(this._logger, \"LongPolling\", this._httpClient, this._url, this._accessTokenFactory, data, this._options);\r\n }\r\n async stop() {\r\n this._logger.log(LogLevel.Trace, \"(LongPolling transport) Stopping polling.\");\r\n // Tell receiving loop to stop, abort any current request, and then wait for it to finish\r\n this._running = false;\r\n this._pollAbort.abort();\r\n try {\r\n await this._receiving;\r\n // Send DELETE to clean up long polling on the server\r\n this._logger.log(LogLevel.Trace, `(LongPolling transport) sending DELETE request to ${this._url}.`);\r\n const headers = {};\r\n const [name, value] = getUserAgentHeader();\r\n headers[name] = value;\r\n const deleteOptions = {\r\n headers: { ...headers, ...this._options.headers },\r\n timeout: this._options.timeout,\r\n withCredentials: this._options.withCredentials,\r\n };\r\n const token = await this._getAccessToken();\r\n this._updateHeaderToken(deleteOptions, token);\r\n await this._httpClient.delete(this._url, deleteOptions);\r\n this._logger.log(LogLevel.Trace, \"(LongPolling transport) DELETE request sent.\");\r\n }\r\n finally {\r\n this._logger.log(LogLevel.Trace, \"(LongPolling transport) Stop finished.\");\r\n // Raise close event here instead of in polling\r\n // It needs to happen after the DELETE request is sent\r\n this._raiseOnClose();\r\n }\r\n }\r\n _raiseOnClose() {\r\n if (this.onclose) {\r\n let logMessage = \"(LongPolling transport) Firing onclose event.\";\r\n if (this._closeError) {\r\n logMessage += \" Error: \" + this._closeError;\r\n }\r\n this._logger.log(LogLevel.Trace, logMessage);\r\n this.onclose(this._closeError);\r\n }\r\n }\r\n}\r\n//# sourceMappingURL=LongPollingTransport.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { TransferFormat } from \"./ITransport\";\r\nimport { Arg, getDataDetail, getUserAgentHeader, Platform, sendMessage } from \"./Utils\";\r\n/** @private */\r\nexport class ServerSentEventsTransport {\r\n constructor(httpClient, accessTokenFactory, logger, options) {\r\n this._httpClient = httpClient;\r\n this._accessTokenFactory = accessTokenFactory;\r\n this._logger = logger;\r\n this._options = options;\r\n this.onreceive = null;\r\n this.onclose = null;\r\n }\r\n async connect(url, transferFormat) {\r\n Arg.isRequired(url, \"url\");\r\n Arg.isRequired(transferFormat, \"transferFormat\");\r\n Arg.isIn(transferFormat, TransferFormat, \"transferFormat\");\r\n this._logger.log(LogLevel.Trace, \"(SSE transport) Connecting.\");\r\n // set url before accessTokenFactory because this.url is only for send and we set the auth header instead of the query string for send\r\n this._url = url;\r\n if (this._accessTokenFactory) {\r\n const token = await this._accessTokenFactory();\r\n if (token) {\r\n url += (url.indexOf(\"?\") < 0 ? \"?\" : \"&\") + `access_token=${encodeURIComponent(token)}`;\r\n }\r\n }\r\n return new Promise((resolve, reject) => {\r\n let opened = false;\r\n if (transferFormat !== TransferFormat.Text) {\r\n reject(new Error(\"The Server-Sent Events transport only supports the 'Text' transfer format\"));\r\n return;\r\n }\r\n let eventSource;\r\n if (Platform.isBrowser || Platform.isWebWorker) {\r\n eventSource = new this._options.EventSource(url, { withCredentials: this._options.withCredentials });\r\n }\r\n else {\r\n // Non-browser passes cookies via the dictionary\r\n const cookies = this._httpClient.getCookieString(url);\r\n const headers = {};\r\n headers.Cookie = cookies;\r\n const [name, value] = getUserAgentHeader();\r\n headers[name] = value;\r\n eventSource = new this._options.EventSource(url, { withCredentials: this._options.withCredentials, headers: { ...headers, ...this._options.headers } });\r\n }\r\n try {\r\n eventSource.onmessage = (e) => {\r\n if (this.onreceive) {\r\n try {\r\n this._logger.log(LogLevel.Trace, `(SSE transport) data received. ${getDataDetail(e.data, this._options.logMessageContent)}.`);\r\n this.onreceive(e.data);\r\n }\r\n catch (error) {\r\n this._close(error);\r\n return;\r\n }\r\n }\r\n };\r\n // @ts-ignore: not using event on purpose\r\n eventSource.onerror = (e) => {\r\n // EventSource doesn't give any useful information about server side closes.\r\n if (opened) {\r\n this._close();\r\n }\r\n else {\r\n reject(new Error(\"EventSource failed to connect. The connection could not be found on the server,\"\r\n + \" either the connection ID is not present on the server, or a proxy is refusing/buffering the connection.\"\r\n + \" If you have multiple servers check that sticky sessions are enabled.\"));\r\n }\r\n };\r\n eventSource.onopen = () => {\r\n this._logger.log(LogLevel.Information, `SSE connected to ${this._url}`);\r\n this._eventSource = eventSource;\r\n opened = true;\r\n resolve();\r\n };\r\n }\r\n catch (e) {\r\n reject(e);\r\n return;\r\n }\r\n });\r\n }\r\n async send(data) {\r\n if (!this._eventSource) {\r\n return Promise.reject(new Error(\"Cannot send until the transport is connected\"));\r\n }\r\n return sendMessage(this._logger, \"SSE\", this._httpClient, this._url, this._accessTokenFactory, data, this._options);\r\n }\r\n stop() {\r\n this._close();\r\n return Promise.resolve();\r\n }\r\n _close(e) {\r\n if (this._eventSource) {\r\n this._eventSource.close();\r\n this._eventSource = undefined;\r\n if (this.onclose) {\r\n this.onclose(e);\r\n }\r\n }\r\n }\r\n}\r\n//# sourceMappingURL=ServerSentEventsTransport.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { HeaderNames } from \"./HeaderNames\";\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { TransferFormat } from \"./ITransport\";\r\nimport { Arg, getDataDetail, getUserAgentHeader, Platform } from \"./Utils\";\r\n/** @private */\r\nexport class WebSocketTransport {\r\n constructor(httpClient, accessTokenFactory, logger, logMessageContent, webSocketConstructor, headers) {\r\n this._logger = logger;\r\n this._accessTokenFactory = accessTokenFactory;\r\n this._logMessageContent = logMessageContent;\r\n this._webSocketConstructor = webSocketConstructor;\r\n this._httpClient = httpClient;\r\n this.onreceive = null;\r\n this.onclose = null;\r\n this._headers = headers;\r\n }\r\n async connect(url, transferFormat) {\r\n Arg.isRequired(url, \"url\");\r\n Arg.isRequired(transferFormat, \"transferFormat\");\r\n Arg.isIn(transferFormat, TransferFormat, \"transferFormat\");\r\n this._logger.log(LogLevel.Trace, \"(WebSockets transport) Connecting.\");\r\n if (this._accessTokenFactory) {\r\n const token = await this._accessTokenFactory();\r\n if (token) {\r\n url += (url.indexOf(\"?\") < 0 ? \"?\" : \"&\") + `access_token=${encodeURIComponent(token)}`;\r\n }\r\n }\r\n return new Promise((resolve, reject) => {\r\n url = url.replace(/^http/, \"ws\");\r\n let webSocket;\r\n const cookies = this._httpClient.getCookieString(url);\r\n let opened = false;\r\n if (Platform.isNode) {\r\n const headers = {};\r\n const [name, value] = getUserAgentHeader();\r\n headers[name] = value;\r\n if (cookies) {\r\n headers[HeaderNames.Cookie] = `${cookies}`;\r\n }\r\n // Only pass headers when in non-browser environments\r\n webSocket = new this._webSocketConstructor(url, undefined, {\r\n headers: { ...headers, ...this._headers },\r\n });\r\n }\r\n if (!webSocket) {\r\n // Chrome is not happy with passing 'undefined' as protocol\r\n webSocket = new this._webSocketConstructor(url);\r\n }\r\n if (transferFormat === TransferFormat.Binary) {\r\n webSocket.binaryType = \"arraybuffer\";\r\n }\r\n webSocket.onopen = (_event) => {\r\n this._logger.log(LogLevel.Information, `WebSocket connected to ${url}.`);\r\n this._webSocket = webSocket;\r\n opened = true;\r\n resolve();\r\n };\r\n webSocket.onerror = (event) => {\r\n let error = null;\r\n // ErrorEvent is a browser only type we need to check if the type exists before using it\r\n if (typeof ErrorEvent !== \"undefined\" && event instanceof ErrorEvent) {\r\n error = event.error;\r\n }\r\n else {\r\n error = \"There was an error with the transport\";\r\n }\r\n this._logger.log(LogLevel.Information, `(WebSockets transport) ${error}.`);\r\n };\r\n webSocket.onmessage = (message) => {\r\n this._logger.log(LogLevel.Trace, `(WebSockets transport) data received. ${getDataDetail(message.data, this._logMessageContent)}.`);\r\n if (this.onreceive) {\r\n try {\r\n this.onreceive(message.data);\r\n }\r\n catch (error) {\r\n this._close(error);\r\n return;\r\n }\r\n }\r\n };\r\n webSocket.onclose = (event) => {\r\n // Don't call close handler if connection was never established\r\n // We'll reject the connect call instead\r\n if (opened) {\r\n this._close(event);\r\n }\r\n else {\r\n let error = null;\r\n // ErrorEvent is a browser only type we need to check if the type exists before using it\r\n if (typeof ErrorEvent !== \"undefined\" && event instanceof ErrorEvent) {\r\n error = event.error;\r\n }\r\n else {\r\n error = \"WebSocket failed to connect. The connection could not be found on the server,\"\r\n + \" either the endpoint may not be a SignalR endpoint,\"\r\n + \" the connection ID is not present on the server, or there is a proxy blocking WebSockets.\"\r\n + \" If you have multiple servers check that sticky sessions are enabled.\";\r\n }\r\n reject(new Error(error));\r\n }\r\n };\r\n });\r\n }\r\n send(data) {\r\n if (this._webSocket && this._webSocket.readyState === this._webSocketConstructor.OPEN) {\r\n this._logger.log(LogLevel.Trace, `(WebSockets transport) sending data. ${getDataDetail(data, this._logMessageContent)}.`);\r\n this._webSocket.send(data);\r\n return Promise.resolve();\r\n }\r\n return Promise.reject(\"WebSocket is not in the OPEN state\");\r\n }\r\n stop() {\r\n if (this._webSocket) {\r\n // Manually invoke onclose callback inline so we know the HttpConnection was closed properly before returning\r\n // This also solves an issue where websocket.onclose could take 18+ seconds to trigger during network disconnects\r\n this._close(undefined);\r\n }\r\n return Promise.resolve();\r\n }\r\n _close(event) {\r\n // webSocket will be null if the transport did not start successfully\r\n if (this._webSocket) {\r\n // Clear websocket handlers because we are considering the socket closed now\r\n this._webSocket.onclose = () => { };\r\n this._webSocket.onmessage = () => { };\r\n this._webSocket.onerror = () => { };\r\n this._webSocket.close();\r\n this._webSocket = undefined;\r\n }\r\n this._logger.log(LogLevel.Trace, \"(WebSockets transport) socket closed.\");\r\n if (this.onclose) {\r\n if (this._isCloseEvent(event) && (event.wasClean === false || event.code !== 1000)) {\r\n this.onclose(new Error(`WebSocket closed with status code: ${event.code} (${event.reason || \"no reason given\"}).`));\r\n }\r\n else if (event instanceof Error) {\r\n this.onclose(event);\r\n }\r\n else {\r\n this.onclose();\r\n }\r\n }\r\n }\r\n _isCloseEvent(event) {\r\n return event && typeof event.wasClean === \"boolean\" && typeof event.code === \"number\";\r\n }\r\n}\r\n//# sourceMappingURL=WebSocketTransport.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { DefaultHttpClient } from \"./DefaultHttpClient\";\r\nimport { AggregateErrors, DisabledTransportError, FailedToNegotiateWithServerError, FailedToStartTransportError, HttpError, UnsupportedTransportError } from \"./Errors\";\r\nimport { HeaderNames } from \"./HeaderNames\";\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { HttpTransportType, TransferFormat } from \"./ITransport\";\r\nimport { LongPollingTransport } from \"./LongPollingTransport\";\r\nimport { ServerSentEventsTransport } from \"./ServerSentEventsTransport\";\r\nimport { Arg, createLogger, getUserAgentHeader, Platform } from \"./Utils\";\r\nimport { WebSocketTransport } from \"./WebSocketTransport\";\r\nconst MAX_REDIRECTS = 100;\r\n/** @private */\r\nexport class HttpConnection {\r\n constructor(url, options = {}) {\r\n this._stopPromiseResolver = () => { };\r\n this.features = {};\r\n this._negotiateVersion = 1;\r\n Arg.isRequired(url, \"url\");\r\n this._logger = createLogger(options.logger);\r\n this.baseUrl = this._resolveUrl(url);\r\n options = options || {};\r\n options.logMessageContent = options.logMessageContent === undefined ? false : options.logMessageContent;\r\n if (typeof options.withCredentials === \"boolean\" || options.withCredentials === undefined) {\r\n options.withCredentials = options.withCredentials === undefined ? true : options.withCredentials;\r\n }\r\n else {\r\n throw new Error(\"withCredentials option was not a 'boolean' or 'undefined' value\");\r\n }\r\n options.timeout = options.timeout === undefined ? 100 * 1000 : options.timeout;\r\n let webSocketModule = null;\r\n let eventSourceModule = null;\r\n if (Platform.isNode && typeof require !== \"undefined\") {\r\n // In order to ignore the dynamic require in webpack builds we need to do this magic\r\n // @ts-ignore: TS doesn't know about these names\r\n const requireFunc = typeof __webpack_require__ === \"function\" ? __non_webpack_require__ : require;\r\n webSocketModule = requireFunc(\"ws\");\r\n eventSourceModule = requireFunc(\"eventsource\");\r\n }\r\n if (!Platform.isNode && typeof WebSocket !== \"undefined\" && !options.WebSocket) {\r\n options.WebSocket = WebSocket;\r\n }\r\n else if (Platform.isNode && !options.WebSocket) {\r\n if (webSocketModule) {\r\n options.WebSocket = webSocketModule;\r\n }\r\n }\r\n if (!Platform.isNode && typeof EventSource !== \"undefined\" && !options.EventSource) {\r\n options.EventSource = EventSource;\r\n }\r\n else if (Platform.isNode && !options.EventSource) {\r\n if (typeof eventSourceModule !== \"undefined\") {\r\n options.EventSource = eventSourceModule;\r\n }\r\n }\r\n this._httpClient = options.httpClient || new DefaultHttpClient(this._logger);\r\n this._connectionState = \"Disconnected\" /* Disconnected */;\r\n this._connectionStarted = false;\r\n this._options = options;\r\n this.onreceive = null;\r\n this.onclose = null;\r\n }\r\n async start(transferFormat) {\r\n transferFormat = transferFormat || TransferFormat.Binary;\r\n Arg.isIn(transferFormat, TransferFormat, \"transferFormat\");\r\n this._logger.log(LogLevel.Debug, `Starting connection with transfer format '${TransferFormat[transferFormat]}'.`);\r\n if (this._connectionState !== \"Disconnected\" /* Disconnected */) {\r\n return Promise.reject(new Error(\"Cannot start an HttpConnection that is not in the 'Disconnected' state.\"));\r\n }\r\n this._connectionState = \"Connecting\" /* Connecting */;\r\n this._startInternalPromise = this._startInternal(transferFormat);\r\n await this._startInternalPromise;\r\n // The TypeScript compiler thinks that connectionState must be Connecting here. The TypeScript compiler is wrong.\r\n if (this._connectionState === \"Disconnecting\" /* Disconnecting */) {\r\n // stop() was called and transitioned the client into the Disconnecting state.\r\n const message = \"Failed to start the HttpConnection before stop() was called.\";\r\n this._logger.log(LogLevel.Error, message);\r\n // We cannot await stopPromise inside startInternal since stopInternal awaits the startInternalPromise.\r\n await this._stopPromise;\r\n return Promise.reject(new Error(message));\r\n }\r\n else if (this._connectionState !== \"Connected\" /* Connected */) {\r\n // stop() was called and transitioned the client into the Disconnecting state.\r\n const message = \"HttpConnection.startInternal completed gracefully but didn't enter the connection into the connected state!\";\r\n this._logger.log(LogLevel.Error, message);\r\n return Promise.reject(new Error(message));\r\n }\r\n this._connectionStarted = true;\r\n }\r\n send(data) {\r\n if (this._connectionState !== \"Connected\" /* Connected */) {\r\n return Promise.reject(new Error(\"Cannot send data if the connection is not in the 'Connected' State.\"));\r\n }\r\n if (!this._sendQueue) {\r\n this._sendQueue = new TransportSendQueue(this.transport);\r\n }\r\n // Transport will not be null if state is connected\r\n return this._sendQueue.send(data);\r\n }\r\n async stop(error) {\r\n if (this._connectionState === \"Disconnected\" /* Disconnected */) {\r\n this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnected state.`);\r\n return Promise.resolve();\r\n }\r\n if (this._connectionState === \"Disconnecting\" /* Disconnecting */) {\r\n this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnecting state.`);\r\n return this._stopPromise;\r\n }\r\n this._connectionState = \"Disconnecting\" /* Disconnecting */;\r\n this._stopPromise = new Promise((resolve) => {\r\n // Don't complete stop() until stopConnection() completes.\r\n this._stopPromiseResolver = resolve;\r\n });\r\n // stopInternal should never throw so just observe it.\r\n await this._stopInternal(error);\r\n await this._stopPromise;\r\n }\r\n async _stopInternal(error) {\r\n // Set error as soon as possible otherwise there is a race between\r\n // the transport closing and providing an error and the error from a close message\r\n // We would prefer the close message error.\r\n this._stopError = error;\r\n try {\r\n await this._startInternalPromise;\r\n }\r\n catch (e) {\r\n // This exception is returned to the user as a rejected Promise from the start method.\r\n }\r\n // The transport's onclose will trigger stopConnection which will run our onclose event.\r\n // The transport should always be set if currently connected. If it wasn't set, it's likely because\r\n // stop was called during start() and start() failed.\r\n if (this.transport) {\r\n try {\r\n await this.transport.stop();\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `HttpConnection.transport.stop() threw error '${e}'.`);\r\n this._stopConnection();\r\n }\r\n this.transport = undefined;\r\n }\r\n else {\r\n this._logger.log(LogLevel.Debug, \"HttpConnection.transport is undefined in HttpConnection.stop() because start() failed.\");\r\n }\r\n }\r\n async _startInternal(transferFormat) {\r\n // Store the original base url and the access token factory since they may change\r\n // as part of negotiating\r\n let url = this.baseUrl;\r\n this._accessTokenFactory = this._options.accessTokenFactory;\r\n try {\r\n if (this._options.skipNegotiation) {\r\n if (this._options.transport === HttpTransportType.WebSockets) {\r\n // No need to add a connection ID in this case\r\n this.transport = this._constructTransport(HttpTransportType.WebSockets);\r\n // We should just call connect directly in this case.\r\n // No fallback or negotiate in this case.\r\n await this._startTransport(url, transferFormat);\r\n }\r\n else {\r\n throw new Error(\"Negotiation can only be skipped when using the WebSocket transport directly.\");\r\n }\r\n }\r\n else {\r\n let negotiateResponse = null;\r\n let redirects = 0;\r\n do {\r\n negotiateResponse = await this._getNegotiationResponse(url);\r\n // the user tries to stop the connection when it is being started\r\n if (this._connectionState === \"Disconnecting\" /* Disconnecting */ || this._connectionState === \"Disconnected\" /* Disconnected */) {\r\n throw new Error(\"The connection was stopped during negotiation.\");\r\n }\r\n if (negotiateResponse.error) {\r\n throw new Error(negotiateResponse.error);\r\n }\r\n if (negotiateResponse.ProtocolVersion) {\r\n throw new Error(\"Detected a connection attempt to an ASP.NET SignalR Server. This client only supports connecting to an ASP.NET Core SignalR Server. See https://aka.ms/signalr-core-differences for details.\");\r\n }\r\n if (negotiateResponse.url) {\r\n url = negotiateResponse.url;\r\n }\r\n if (negotiateResponse.accessToken) {\r\n // Replace the current access token factory with one that uses\r\n // the returned access token\r\n const accessToken = negotiateResponse.accessToken;\r\n this._accessTokenFactory = () => accessToken;\r\n }\r\n redirects++;\r\n } while (negotiateResponse.url && redirects < MAX_REDIRECTS);\r\n if (redirects === MAX_REDIRECTS && negotiateResponse.url) {\r\n throw new Error(\"Negotiate redirection limit exceeded.\");\r\n }\r\n await this._createTransport(url, this._options.transport, negotiateResponse, transferFormat);\r\n }\r\n if (this.transport instanceof LongPollingTransport) {\r\n this.features.inherentKeepAlive = true;\r\n }\r\n if (this._connectionState === \"Connecting\" /* Connecting */) {\r\n // Ensure the connection transitions to the connected state prior to completing this.startInternalPromise.\r\n // start() will handle the case when stop was called and startInternal exits still in the disconnecting state.\r\n this._logger.log(LogLevel.Debug, \"The HttpConnection connected successfully.\");\r\n this._connectionState = \"Connected\" /* Connected */;\r\n }\r\n // stop() is waiting on us via this.startInternalPromise so keep this.transport around so it can clean up.\r\n // This is the only case startInternal can exit in neither the connected nor disconnected state because stopConnection()\r\n // will transition to the disconnected state. start() will wait for the transition using the stopPromise.\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, \"Failed to start the connection: \" + e);\r\n this._connectionState = \"Disconnected\" /* Disconnected */;\r\n this.transport = undefined;\r\n // if start fails, any active calls to stop assume that start will complete the stop promise\r\n this._stopPromiseResolver();\r\n return Promise.reject(e);\r\n }\r\n }\r\n async _getNegotiationResponse(url) {\r\n const headers = {};\r\n if (this._accessTokenFactory) {\r\n const token = await this._accessTokenFactory();\r\n if (token) {\r\n headers[HeaderNames.Authorization] = `Bearer ${token}`;\r\n }\r\n }\r\n const [name, value] = getUserAgentHeader();\r\n headers[name] = value;\r\n const negotiateUrl = this._resolveNegotiateUrl(url);\r\n this._logger.log(LogLevel.Debug, `Sending negotiation request: ${negotiateUrl}.`);\r\n try {\r\n const response = await this._httpClient.post(negotiateUrl, {\r\n content: \"\",\r\n headers: { ...headers, ...this._options.headers },\r\n timeout: this._options.timeout,\r\n withCredentials: this._options.withCredentials,\r\n });\r\n if (response.statusCode !== 200) {\r\n return Promise.reject(new Error(`Unexpected status code returned from negotiate '${response.statusCode}'`));\r\n }\r\n const negotiateResponse = JSON.parse(response.content);\r\n if (!negotiateResponse.negotiateVersion || negotiateResponse.negotiateVersion < 1) {\r\n // Negotiate version 0 doesn't use connectionToken\r\n // So we set it equal to connectionId so all our logic can use connectionToken without being aware of the negotiate version\r\n negotiateResponse.connectionToken = negotiateResponse.connectionId;\r\n }\r\n return negotiateResponse;\r\n }\r\n catch (e) {\r\n let errorMessage = \"Failed to complete negotiation with the server: \" + e;\r\n if (e instanceof HttpError) {\r\n if (e.statusCode === 404) {\r\n errorMessage = errorMessage + \" Either this is not a SignalR endpoint or there is a proxy blocking the connection.\";\r\n }\r\n }\r\n this._logger.log(LogLevel.Error, errorMessage);\r\n return Promise.reject(new FailedToNegotiateWithServerError(errorMessage));\r\n }\r\n }\r\n _createConnectUrl(url, connectionToken) {\r\n if (!connectionToken) {\r\n return url;\r\n }\r\n return url + (url.indexOf(\"?\") === -1 ? \"?\" : \"&\") + `id=${connectionToken}`;\r\n }\r\n async _createTransport(url, requestedTransport, negotiateResponse, requestedTransferFormat) {\r\n let connectUrl = this._createConnectUrl(url, negotiateResponse.connectionToken);\r\n if (this._isITransport(requestedTransport)) {\r\n this._logger.log(LogLevel.Debug, \"Connection was provided an instance of ITransport, using that directly.\");\r\n this.transport = requestedTransport;\r\n await this._startTransport(connectUrl, requestedTransferFormat);\r\n this.connectionId = negotiateResponse.connectionId;\r\n return;\r\n }\r\n const transportExceptions = [];\r\n const transports = negotiateResponse.availableTransports || [];\r\n let negotiate = negotiateResponse;\r\n for (const endpoint of transports) {\r\n const transportOrError = this._resolveTransportOrError(endpoint, requestedTransport, requestedTransferFormat);\r\n if (transportOrError instanceof Error) {\r\n // Store the error and continue, we don't want to cause a re-negotiate in these cases\r\n transportExceptions.push(`${endpoint.transport} failed:`);\r\n transportExceptions.push(transportOrError);\r\n }\r\n else if (this._isITransport(transportOrError)) {\r\n this.transport = transportOrError;\r\n if (!negotiate) {\r\n try {\r\n negotiate = await this._getNegotiationResponse(url);\r\n }\r\n catch (ex) {\r\n return Promise.reject(ex);\r\n }\r\n connectUrl = this._createConnectUrl(url, negotiate.connectionToken);\r\n }\r\n try {\r\n await this._startTransport(connectUrl, requestedTransferFormat);\r\n this.connectionId = negotiate.connectionId;\r\n return;\r\n }\r\n catch (ex) {\r\n this._logger.log(LogLevel.Error, `Failed to start the transport '${endpoint.transport}': ${ex}`);\r\n negotiate = undefined;\r\n transportExceptions.push(new FailedToStartTransportError(`${endpoint.transport} failed: ${ex}`, HttpTransportType[endpoint.transport]));\r\n if (this._connectionState !== \"Connecting\" /* Connecting */) {\r\n const message = \"Failed to select transport before stop() was called.\";\r\n this._logger.log(LogLevel.Debug, message);\r\n return Promise.reject(new Error(message));\r\n }\r\n }\r\n }\r\n }\r\n if (transportExceptions.length > 0) {\r\n return Promise.reject(new AggregateErrors(`Unable to connect to the server with any of the available transports. ${transportExceptions.join(\" \")}`, transportExceptions));\r\n }\r\n return Promise.reject(new Error(\"None of the transports supported by the client are supported by the server.\"));\r\n }\r\n _constructTransport(transport) {\r\n switch (transport) {\r\n case HttpTransportType.WebSockets:\r\n if (!this._options.WebSocket) {\r\n throw new Error(\"'WebSocket' is not supported in your environment.\");\r\n }\r\n return new WebSocketTransport(this._httpClient, this._accessTokenFactory, this._logger, this._options.logMessageContent, this._options.WebSocket, this._options.headers || {});\r\n case HttpTransportType.ServerSentEvents:\r\n if (!this._options.EventSource) {\r\n throw new Error(\"'EventSource' is not supported in your environment.\");\r\n }\r\n return new ServerSentEventsTransport(this._httpClient, this._accessTokenFactory, this._logger, this._options);\r\n case HttpTransportType.LongPolling:\r\n return new LongPollingTransport(this._httpClient, this._accessTokenFactory, this._logger, this._options);\r\n default:\r\n throw new Error(`Unknown transport: ${transport}.`);\r\n }\r\n }\r\n _startTransport(url, transferFormat) {\r\n this.transport.onreceive = this.onreceive;\r\n this.transport.onclose = (e) => this._stopConnection(e);\r\n return this.transport.connect(url, transferFormat);\r\n }\r\n _resolveTransportOrError(endpoint, requestedTransport, requestedTransferFormat) {\r\n const transport = HttpTransportType[endpoint.transport];\r\n if (transport === null || transport === undefined) {\r\n this._logger.log(LogLevel.Debug, `Skipping transport '${endpoint.transport}' because it is not supported by this client.`);\r\n return new Error(`Skipping transport '${endpoint.transport}' because it is not supported by this client.`);\r\n }\r\n else {\r\n if (transportMatches(requestedTransport, transport)) {\r\n const transferFormats = endpoint.transferFormats.map((s) => TransferFormat[s]);\r\n if (transferFormats.indexOf(requestedTransferFormat) >= 0) {\r\n if ((transport === HttpTransportType.WebSockets && !this._options.WebSocket) ||\r\n (transport === HttpTransportType.ServerSentEvents && !this._options.EventSource)) {\r\n this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it is not supported in your environment.'`);\r\n return new UnsupportedTransportError(`'${HttpTransportType[transport]}' is not supported in your environment.`, transport);\r\n }\r\n else {\r\n this._logger.log(LogLevel.Debug, `Selecting transport '${HttpTransportType[transport]}'.`);\r\n try {\r\n return this._constructTransport(transport);\r\n }\r\n catch (ex) {\r\n return ex;\r\n }\r\n }\r\n }\r\n else {\r\n this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it does not support the requested transfer format '${TransferFormat[requestedTransferFormat]}'.`);\r\n return new Error(`'${HttpTransportType[transport]}' does not support ${TransferFormat[requestedTransferFormat]}.`);\r\n }\r\n }\r\n else {\r\n this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it was disabled by the client.`);\r\n return new DisabledTransportError(`'${HttpTransportType[transport]}' is disabled by the client.`, transport);\r\n }\r\n }\r\n }\r\n _isITransport(transport) {\r\n return transport && typeof (transport) === \"object\" && \"connect\" in transport;\r\n }\r\n _stopConnection(error) {\r\n this._logger.log(LogLevel.Debug, `HttpConnection.stopConnection(${error}) called while in state ${this._connectionState}.`);\r\n this.transport = undefined;\r\n // If we have a stopError, it takes precedence over the error from the transport\r\n error = this._stopError || error;\r\n this._stopError = undefined;\r\n if (this._connectionState === \"Disconnected\" /* Disconnected */) {\r\n this._logger.log(LogLevel.Debug, `Call to HttpConnection.stopConnection(${error}) was ignored because the connection is already in the disconnected state.`);\r\n return;\r\n }\r\n if (this._connectionState === \"Connecting\" /* Connecting */) {\r\n this._logger.log(LogLevel.Warning, `Call to HttpConnection.stopConnection(${error}) was ignored because the connection is still in the connecting state.`);\r\n throw new Error(`HttpConnection.stopConnection(${error}) was called while the connection is still in the connecting state.`);\r\n }\r\n if (this._connectionState === \"Disconnecting\" /* Disconnecting */) {\r\n // A call to stop() induced this call to stopConnection and needs to be completed.\r\n // Any stop() awaiters will be scheduled to continue after the onclose callback fires.\r\n this._stopPromiseResolver();\r\n }\r\n if (error) {\r\n this._logger.log(LogLevel.Error, `Connection disconnected with error '${error}'.`);\r\n }\r\n else {\r\n this._logger.log(LogLevel.Information, \"Connection disconnected.\");\r\n }\r\n if (this._sendQueue) {\r\n this._sendQueue.stop().catch((e) => {\r\n this._logger.log(LogLevel.Error, `TransportSendQueue.stop() threw error '${e}'.`);\r\n });\r\n this._sendQueue = undefined;\r\n }\r\n this.connectionId = undefined;\r\n this._connectionState = \"Disconnected\" /* Disconnected */;\r\n if (this._connectionStarted) {\r\n this._connectionStarted = false;\r\n try {\r\n if (this.onclose) {\r\n this.onclose(error);\r\n }\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `HttpConnection.onclose(${error}) threw error '${e}'.`);\r\n }\r\n }\r\n }\r\n _resolveUrl(url) {\r\n // startsWith is not supported in IE\r\n if (url.lastIndexOf(\"https://\", 0) === 0 || url.lastIndexOf(\"http://\", 0) === 0) {\r\n return url;\r\n }\r\n if (!Platform.isBrowser) {\r\n throw new Error(`Cannot resolve '${url}'.`);\r\n }\r\n // Setting the url to the href propery of an anchor tag handles normalization\r\n // for us. There are 3 main cases.\r\n // 1. Relative path normalization e.g \"b\" -> \"http://localhost:5000/a/b\"\r\n // 2. Absolute path normalization e.g \"/a/b\" -> \"http://localhost:5000/a/b\"\r\n // 3. Networkpath reference normalization e.g \"//localhost:5000/a/b\" -> \"http://localhost:5000/a/b\"\r\n const aTag = window.document.createElement(\"a\");\r\n aTag.href = url;\r\n this._logger.log(LogLevel.Information, `Normalizing '${url}' to '${aTag.href}'.`);\r\n return aTag.href;\r\n }\r\n _resolveNegotiateUrl(url) {\r\n const index = url.indexOf(\"?\");\r\n let negotiateUrl = url.substring(0, index === -1 ? url.length : index);\r\n if (negotiateUrl[negotiateUrl.length - 1] !== \"/\") {\r\n negotiateUrl += \"/\";\r\n }\r\n negotiateUrl += \"negotiate\";\r\n negotiateUrl += index === -1 ? \"\" : url.substring(index);\r\n if (negotiateUrl.indexOf(\"negotiateVersion\") === -1) {\r\n negotiateUrl += index === -1 ? \"?\" : \"&\";\r\n negotiateUrl += \"negotiateVersion=\" + this._negotiateVersion;\r\n }\r\n return negotiateUrl;\r\n }\r\n}\r\nfunction transportMatches(requestedTransport, actualTransport) {\r\n return !requestedTransport || ((actualTransport & requestedTransport) !== 0);\r\n}\r\n/** @private */\r\nexport class TransportSendQueue {\r\n constructor(_transport) {\r\n this._transport = _transport;\r\n this._buffer = [];\r\n this._executing = true;\r\n this._sendBufferedData = new PromiseSource();\r\n this._transportResult = new PromiseSource();\r\n this._sendLoopPromise = this._sendLoop();\r\n }\r\n send(data) {\r\n this._bufferData(data);\r\n if (!this._transportResult) {\r\n this._transportResult = new PromiseSource();\r\n }\r\n return this._transportResult.promise;\r\n }\r\n stop() {\r\n this._executing = false;\r\n this._sendBufferedData.resolve();\r\n return this._sendLoopPromise;\r\n }\r\n _bufferData(data) {\r\n if (this._buffer.length && typeof (this._buffer[0]) !== typeof (data)) {\r\n throw new Error(`Expected data to be of type ${typeof (this._buffer)} but was of type ${typeof (data)}`);\r\n }\r\n this._buffer.push(data);\r\n this._sendBufferedData.resolve();\r\n }\r\n async _sendLoop() {\r\n while (true) {\r\n await this._sendBufferedData.promise;\r\n if (!this._executing) {\r\n if (this._transportResult) {\r\n this._transportResult.reject(\"Connection stopped.\");\r\n }\r\n break;\r\n }\r\n this._sendBufferedData = new PromiseSource();\r\n const transportResult = this._transportResult;\r\n this._transportResult = undefined;\r\n const data = typeof (this._buffer[0]) === \"string\" ?\r\n this._buffer.join(\"\") :\r\n TransportSendQueue._concatBuffers(this._buffer);\r\n this._buffer.length = 0;\r\n try {\r\n await this._transport.send(data);\r\n transportResult.resolve();\r\n }\r\n catch (error) {\r\n transportResult.reject(error);\r\n }\r\n }\r\n }\r\n static _concatBuffers(arrayBuffers) {\r\n const totalLength = arrayBuffers.map((b) => b.byteLength).reduce((a, b) => a + b);\r\n const result = new Uint8Array(totalLength);\r\n let offset = 0;\r\n for (const item of arrayBuffers) {\r\n result.set(new Uint8Array(item), offset);\r\n offset += item.byteLength;\r\n }\r\n return result.buffer;\r\n }\r\n}\r\nclass PromiseSource {\r\n constructor() {\r\n this.promise = new Promise((resolve, reject) => [this._resolver, this._rejecter] = [resolve, reject]);\r\n }\r\n resolve() {\r\n this._resolver();\r\n }\r\n reject(reason) {\r\n this._rejecter(reason);\r\n }\r\n}\r\n//# sourceMappingURL=HttpConnection.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n// Not exported from index\r\n/** @private */\r\nexport class TextMessageFormat {\r\n static write(output) {\r\n return `${output}${TextMessageFormat.RecordSeparator}`;\r\n }\r\n static parse(input) {\r\n if (input[input.length - 1] !== TextMessageFormat.RecordSeparator) {\r\n throw new Error(\"Message is incomplete.\");\r\n }\r\n const messages = input.split(TextMessageFormat.RecordSeparator);\r\n messages.pop();\r\n return messages;\r\n }\r\n}\r\nTextMessageFormat.RecordSeparatorCode = 0x1e;\r\nTextMessageFormat.RecordSeparator = String.fromCharCode(TextMessageFormat.RecordSeparatorCode);\r\n//# sourceMappingURL=TextMessageFormat.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { TextMessageFormat } from \"./TextMessageFormat\";\r\nimport { isArrayBuffer } from \"./Utils\";\r\n/** @private */\r\nexport class HandshakeProtocol {\r\n // Handshake request is always JSON\r\n writeHandshakeRequest(handshakeRequest) {\r\n return TextMessageFormat.write(JSON.stringify(handshakeRequest));\r\n }\r\n parseHandshakeResponse(data) {\r\n let messageData;\r\n let remainingData;\r\n if (isArrayBuffer(data)) {\r\n // Format is binary but still need to read JSON text from handshake response\r\n const binaryData = new Uint8Array(data);\r\n const separatorIndex = binaryData.indexOf(TextMessageFormat.RecordSeparatorCode);\r\n if (separatorIndex === -1) {\r\n throw new Error(\"Message is incomplete.\");\r\n }\r\n // content before separator is handshake response\r\n // optional content after is additional messages\r\n const responseLength = separatorIndex + 1;\r\n messageData = String.fromCharCode.apply(null, Array.prototype.slice.call(binaryData.slice(0, responseLength)));\r\n remainingData = (binaryData.byteLength > responseLength) ? binaryData.slice(responseLength).buffer : null;\r\n }\r\n else {\r\n const textData = data;\r\n const separatorIndex = textData.indexOf(TextMessageFormat.RecordSeparator);\r\n if (separatorIndex === -1) {\r\n throw new Error(\"Message is incomplete.\");\r\n }\r\n // content before separator is handshake response\r\n // optional content after is additional messages\r\n const responseLength = separatorIndex + 1;\r\n messageData = textData.substring(0, responseLength);\r\n remainingData = (textData.length > responseLength) ? textData.substring(responseLength) : null;\r\n }\r\n // At this point we should have just the single handshake message\r\n const messages = TextMessageFormat.parse(messageData);\r\n const response = JSON.parse(messages[0]);\r\n if (response.type) {\r\n throw new Error(\"Expected a handshake response from the server.\");\r\n }\r\n const responseMessage = response;\r\n // multiple messages could have arrived with handshake\r\n // return additional data to be parsed as usual, or null if all parsed\r\n return [remainingData, responseMessage];\r\n }\r\n}\r\n//# sourceMappingURL=HandshakeProtocol.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n/** Defines the type of a Hub Message. */\r\nexport var MessageType;\r\n(function (MessageType) {\r\n /** Indicates the message is an Invocation message and implements the {@link @microsoft/signalr.InvocationMessage} interface. */\r\n MessageType[MessageType[\"Invocation\"] = 1] = \"Invocation\";\r\n /** Indicates the message is a StreamItem message and implements the {@link @microsoft/signalr.StreamItemMessage} interface. */\r\n MessageType[MessageType[\"StreamItem\"] = 2] = \"StreamItem\";\r\n /** Indicates the message is a Completion message and implements the {@link @microsoft/signalr.CompletionMessage} interface. */\r\n MessageType[MessageType[\"Completion\"] = 3] = \"Completion\";\r\n /** Indicates the message is a Stream Invocation message and implements the {@link @microsoft/signalr.StreamInvocationMessage} interface. */\r\n MessageType[MessageType[\"StreamInvocation\"] = 4] = \"StreamInvocation\";\r\n /** Indicates the message is a Cancel Invocation message and implements the {@link @microsoft/signalr.CancelInvocationMessage} interface. */\r\n MessageType[MessageType[\"CancelInvocation\"] = 5] = \"CancelInvocation\";\r\n /** Indicates the message is a Ping message and implements the {@link @microsoft/signalr.PingMessage} interface. */\r\n MessageType[MessageType[\"Ping\"] = 6] = \"Ping\";\r\n /** Indicates the message is a Close message and implements the {@link @microsoft/signalr.CloseMessage} interface. */\r\n MessageType[MessageType[\"Close\"] = 7] = \"Close\";\r\n})(MessageType || (MessageType = {}));\r\n//# sourceMappingURL=IHubProtocol.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { SubjectSubscription } from \"./Utils\";\r\n/** Stream implementation to stream items to the server. */\r\nexport class Subject {\r\n constructor() {\r\n this.observers = [];\r\n }\r\n next(item) {\r\n for (const observer of this.observers) {\r\n observer.next(item);\r\n }\r\n }\r\n error(err) {\r\n for (const observer of this.observers) {\r\n if (observer.error) {\r\n observer.error(err);\r\n }\r\n }\r\n }\r\n complete() {\r\n for (const observer of this.observers) {\r\n if (observer.complete) {\r\n observer.complete();\r\n }\r\n }\r\n }\r\n subscribe(observer) {\r\n this.observers.push(observer);\r\n return new SubjectSubscription(this, observer);\r\n }\r\n}\r\n//# sourceMappingURL=Subject.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { HandshakeProtocol } from \"./HandshakeProtocol\";\r\nimport { MessageType } from \"./IHubProtocol\";\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { Subject } from \"./Subject\";\r\nimport { Arg, getErrorString, Platform } from \"./Utils\";\r\nconst DEFAULT_TIMEOUT_IN_MS = 30 * 1000;\r\nconst DEFAULT_PING_INTERVAL_IN_MS = 15 * 1000;\r\n/** Describes the current state of the {@link HubConnection} to the server. */\r\nexport var HubConnectionState;\r\n(function (HubConnectionState) {\r\n /** The hub connection is disconnected. */\r\n HubConnectionState[\"Disconnected\"] = \"Disconnected\";\r\n /** The hub connection is connecting. */\r\n HubConnectionState[\"Connecting\"] = \"Connecting\";\r\n /** The hub connection is connected. */\r\n HubConnectionState[\"Connected\"] = \"Connected\";\r\n /** The hub connection is disconnecting. */\r\n HubConnectionState[\"Disconnecting\"] = \"Disconnecting\";\r\n /** The hub connection is reconnecting. */\r\n HubConnectionState[\"Reconnecting\"] = \"Reconnecting\";\r\n})(HubConnectionState || (HubConnectionState = {}));\r\n/** Represents a connection to a SignalR Hub. */\r\nexport class HubConnection {\r\n constructor(connection, logger, protocol, reconnectPolicy) {\r\n this._nextKeepAlive = 0;\r\n this._freezeEventListener = () => {\r\n this._logger.log(LogLevel.Warning, \"The page is being frozen, this will likely lead to the connection being closed and messages being lost. For more information see the docs at https://docs.microsoft.com/aspnet/core/signalr/javascript-client#bsleep\");\r\n };\r\n Arg.isRequired(connection, \"connection\");\r\n Arg.isRequired(logger, \"logger\");\r\n Arg.isRequired(protocol, \"protocol\");\r\n this.serverTimeoutInMilliseconds = DEFAULT_TIMEOUT_IN_MS;\r\n this.keepAliveIntervalInMilliseconds = DEFAULT_PING_INTERVAL_IN_MS;\r\n this._logger = logger;\r\n this._protocol = protocol;\r\n this.connection = connection;\r\n this._reconnectPolicy = reconnectPolicy;\r\n this._handshakeProtocol = new HandshakeProtocol();\r\n this.connection.onreceive = (data) => this._processIncomingData(data);\r\n this.connection.onclose = (error) => this._connectionClosed(error);\r\n this._callbacks = {};\r\n this._methods = {};\r\n this._closedCallbacks = [];\r\n this._reconnectingCallbacks = [];\r\n this._reconnectedCallbacks = [];\r\n this._invocationId = 0;\r\n this._receivedHandshakeResponse = false;\r\n this._connectionState = HubConnectionState.Disconnected;\r\n this._connectionStarted = false;\r\n this._cachedPingMessage = this._protocol.writeMessage({ type: MessageType.Ping });\r\n }\r\n /** @internal */\r\n // Using a public static factory method means we can have a private constructor and an _internal_\r\n // create method that can be used by HubConnectionBuilder. An \"internal\" constructor would just\r\n // be stripped away and the '.d.ts' file would have no constructor, which is interpreted as a\r\n // public parameter-less constructor.\r\n static create(connection, logger, protocol, reconnectPolicy) {\r\n return new HubConnection(connection, logger, protocol, reconnectPolicy);\r\n }\r\n /** Indicates the state of the {@link HubConnection} to the server. */\r\n get state() {\r\n return this._connectionState;\r\n }\r\n /** Represents the connection id of the {@link HubConnection} on the server. The connection id will be null when the connection is either\r\n * in the disconnected state or if the negotiation step was skipped.\r\n */\r\n get connectionId() {\r\n return this.connection ? (this.connection.connectionId || null) : null;\r\n }\r\n /** Indicates the url of the {@link HubConnection} to the server. */\r\n get baseUrl() {\r\n return this.connection.baseUrl || \"\";\r\n }\r\n /**\r\n * Sets a new url for the HubConnection. Note that the url can only be changed when the connection is in either the Disconnected or\r\n * Reconnecting states.\r\n * @param {string} url The url to connect to.\r\n */\r\n set baseUrl(url) {\r\n if (this._connectionState !== HubConnectionState.Disconnected && this._connectionState !== HubConnectionState.Reconnecting) {\r\n throw new Error(\"The HubConnection must be in the Disconnected or Reconnecting state to change the url.\");\r\n }\r\n if (!url) {\r\n throw new Error(\"The HubConnection url must be a valid url.\");\r\n }\r\n this.connection.baseUrl = url;\r\n }\r\n /** Starts the connection.\r\n *\r\n * @returns {Promise} A Promise that resolves when the connection has been successfully established, or rejects with an error.\r\n */\r\n start() {\r\n this._startPromise = this._startWithStateTransitions();\r\n return this._startPromise;\r\n }\r\n async _startWithStateTransitions() {\r\n if (this._connectionState !== HubConnectionState.Disconnected) {\r\n return Promise.reject(new Error(\"Cannot start a HubConnection that is not in the 'Disconnected' state.\"));\r\n }\r\n this._connectionState = HubConnectionState.Connecting;\r\n this._logger.log(LogLevel.Debug, \"Starting HubConnection.\");\r\n try {\r\n await this._startInternal();\r\n if (Platform.isBrowser) {\r\n // Log when the browser freezes the tab so users know why their connection unexpectedly stopped working\r\n window.document.addEventListener(\"freeze\", this._freezeEventListener);\r\n }\r\n this._connectionState = HubConnectionState.Connected;\r\n this._connectionStarted = true;\r\n this._logger.log(LogLevel.Debug, \"HubConnection connected successfully.\");\r\n }\r\n catch (e) {\r\n this._connectionState = HubConnectionState.Disconnected;\r\n this._logger.log(LogLevel.Debug, `HubConnection failed to start successfully because of error '${e}'.`);\r\n return Promise.reject(e);\r\n }\r\n }\r\n async _startInternal() {\r\n this._stopDuringStartError = undefined;\r\n this._receivedHandshakeResponse = false;\r\n // Set up the promise before any connection is (re)started otherwise it could race with received messages\r\n const handshakePromise = new Promise((resolve, reject) => {\r\n this._handshakeResolver = resolve;\r\n this._handshakeRejecter = reject;\r\n });\r\n await this.connection.start(this._protocol.transferFormat);\r\n try {\r\n const handshakeRequest = {\r\n protocol: this._protocol.name,\r\n version: this._protocol.version,\r\n };\r\n this._logger.log(LogLevel.Debug, \"Sending handshake request.\");\r\n await this._sendMessage(this._handshakeProtocol.writeHandshakeRequest(handshakeRequest));\r\n this._logger.log(LogLevel.Information, `Using HubProtocol '${this._protocol.name}'.`);\r\n // defensively cleanup timeout in case we receive a message from the server before we finish start\r\n this._cleanupTimeout();\r\n this._resetTimeoutPeriod();\r\n this._resetKeepAliveInterval();\r\n await handshakePromise;\r\n // It's important to check the stopDuringStartError instead of just relying on the handshakePromise\r\n // being rejected on close, because this continuation can run after both the handshake completed successfully\r\n // and the connection was closed.\r\n if (this._stopDuringStartError) {\r\n // It's important to throw instead of returning a rejected promise, because we don't want to allow any state\r\n // transitions to occur between now and the calling code observing the exceptions. Returning a rejected promise\r\n // will cause the calling continuation to get scheduled to run later.\r\n // eslint-disable-next-line @typescript-eslint/no-throw-literal\r\n throw this._stopDuringStartError;\r\n }\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Debug, `Hub handshake failed with error '${e}' during start(). Stopping HubConnection.`);\r\n this._cleanupTimeout();\r\n this._cleanupPingTimer();\r\n // HttpConnection.stop() should not complete until after the onclose callback is invoked.\r\n // This will transition the HubConnection to the disconnected state before HttpConnection.stop() completes.\r\n await this.connection.stop(e);\r\n throw e;\r\n }\r\n }\r\n /** Stops the connection.\r\n *\r\n * @returns {Promise} A Promise that resolves when the connection has been successfully terminated, or rejects with an error.\r\n */\r\n async stop() {\r\n // Capture the start promise before the connection might be restarted in an onclose callback.\r\n const startPromise = this._startPromise;\r\n this._stopPromise = this._stopInternal();\r\n await this._stopPromise;\r\n try {\r\n // Awaiting undefined continues immediately\r\n await startPromise;\r\n }\r\n catch (e) {\r\n // This exception is returned to the user as a rejected Promise from the start method.\r\n }\r\n }\r\n _stopInternal(error) {\r\n if (this._connectionState === HubConnectionState.Disconnected) {\r\n this._logger.log(LogLevel.Debug, `Call to HubConnection.stop(${error}) ignored because it is already in the disconnected state.`);\r\n return Promise.resolve();\r\n }\r\n if (this._connectionState === HubConnectionState.Disconnecting) {\r\n this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnecting state.`);\r\n return this._stopPromise;\r\n }\r\n this._connectionState = HubConnectionState.Disconnecting;\r\n this._logger.log(LogLevel.Debug, \"Stopping HubConnection.\");\r\n if (this._reconnectDelayHandle) {\r\n // We're in a reconnect delay which means the underlying connection is currently already stopped.\r\n // Just clear the handle to stop the reconnect loop (which no one is waiting on thankfully) and\r\n // fire the onclose callbacks.\r\n this._logger.log(LogLevel.Debug, \"Connection stopped during reconnect delay. Done reconnecting.\");\r\n clearTimeout(this._reconnectDelayHandle);\r\n this._reconnectDelayHandle = undefined;\r\n this._completeClose();\r\n return Promise.resolve();\r\n }\r\n this._cleanupTimeout();\r\n this._cleanupPingTimer();\r\n this._stopDuringStartError = error || new Error(\"The connection was stopped before the hub handshake could complete.\");\r\n // HttpConnection.stop() should not complete until after either HttpConnection.start() fails\r\n // or the onclose callback is invoked. The onclose callback will transition the HubConnection\r\n // to the disconnected state if need be before HttpConnection.stop() completes.\r\n return this.connection.stop(error);\r\n }\r\n /** Invokes a streaming hub method on the server using the specified name and arguments.\r\n *\r\n * @typeparam T The type of the items returned by the server.\r\n * @param {string} methodName The name of the server method to invoke.\r\n * @param {any[]} args The arguments used to invoke the server method.\r\n * @returns {IStreamResult} An object that yields results from the server as they are received.\r\n */\r\n stream(methodName, ...args) {\r\n const [streams, streamIds] = this._replaceStreamingParams(args);\r\n const invocationDescriptor = this._createStreamInvocation(methodName, args, streamIds);\r\n // eslint-disable-next-line prefer-const\r\n let promiseQueue;\r\n const subject = new Subject();\r\n subject.cancelCallback = () => {\r\n const cancelInvocation = this._createCancelInvocation(invocationDescriptor.invocationId);\r\n delete this._callbacks[invocationDescriptor.invocationId];\r\n return promiseQueue.then(() => {\r\n return this._sendWithProtocol(cancelInvocation);\r\n });\r\n };\r\n this._callbacks[invocationDescriptor.invocationId] = (invocationEvent, error) => {\r\n if (error) {\r\n subject.error(error);\r\n return;\r\n }\r\n else if (invocationEvent) {\r\n // invocationEvent will not be null when an error is not passed to the callback\r\n if (invocationEvent.type === MessageType.Completion) {\r\n if (invocationEvent.error) {\r\n subject.error(new Error(invocationEvent.error));\r\n }\r\n else {\r\n subject.complete();\r\n }\r\n }\r\n else {\r\n subject.next((invocationEvent.item));\r\n }\r\n }\r\n };\r\n promiseQueue = this._sendWithProtocol(invocationDescriptor)\r\n .catch((e) => {\r\n subject.error(e);\r\n delete this._callbacks[invocationDescriptor.invocationId];\r\n });\r\n this._launchStreams(streams, promiseQueue);\r\n return subject;\r\n }\r\n _sendMessage(message) {\r\n this._resetKeepAliveInterval();\r\n return this.connection.send(message);\r\n }\r\n /**\r\n * Sends a js object to the server.\r\n * @param message The js object to serialize and send.\r\n */\r\n _sendWithProtocol(message) {\r\n return this._sendMessage(this._protocol.writeMessage(message));\r\n }\r\n /** Invokes a hub method on the server using the specified name and arguments. Does not wait for a response from the receiver.\r\n *\r\n * The Promise returned by this method resolves when the client has sent the invocation to the server. The server may still\r\n * be processing the invocation.\r\n *\r\n * @param {string} methodName The name of the server method to invoke.\r\n * @param {any[]} args The arguments used to invoke the server method.\r\n * @returns {Promise} A Promise that resolves when the invocation has been successfully sent, or rejects with an error.\r\n */\r\n send(methodName, ...args) {\r\n const [streams, streamIds] = this._replaceStreamingParams(args);\r\n const sendPromise = this._sendWithProtocol(this._createInvocation(methodName, args, true, streamIds));\r\n this._launchStreams(streams, sendPromise);\r\n return sendPromise;\r\n }\r\n /** Invokes a hub method on the server using the specified name and arguments.\r\n *\r\n * The Promise returned by this method resolves when the server indicates it has finished invoking the method. When the promise\r\n * resolves, the server has finished invoking the method. If the server method returns a result, it is produced as the result of\r\n * resolving the Promise.\r\n *\r\n * @typeparam T The expected return type.\r\n * @param {string} methodName The name of the server method to invoke.\r\n * @param {any[]} args The arguments used to invoke the server method.\r\n * @returns {Promise} A Promise that resolves with the result of the server method (if any), or rejects with an error.\r\n */\r\n invoke(methodName, ...args) {\r\n const [streams, streamIds] = this._replaceStreamingParams(args);\r\n const invocationDescriptor = this._createInvocation(methodName, args, false, streamIds);\r\n const p = new Promise((resolve, reject) => {\r\n // invocationId will always have a value for a non-blocking invocation\r\n this._callbacks[invocationDescriptor.invocationId] = (invocationEvent, error) => {\r\n if (error) {\r\n reject(error);\r\n return;\r\n }\r\n else if (invocationEvent) {\r\n // invocationEvent will not be null when an error is not passed to the callback\r\n if (invocationEvent.type === MessageType.Completion) {\r\n if (invocationEvent.error) {\r\n reject(new Error(invocationEvent.error));\r\n }\r\n else {\r\n resolve(invocationEvent.result);\r\n }\r\n }\r\n else {\r\n reject(new Error(`Unexpected message type: ${invocationEvent.type}`));\r\n }\r\n }\r\n };\r\n const promiseQueue = this._sendWithProtocol(invocationDescriptor)\r\n .catch((e) => {\r\n reject(e);\r\n // invocationId will always have a value for a non-blocking invocation\r\n delete this._callbacks[invocationDescriptor.invocationId];\r\n });\r\n this._launchStreams(streams, promiseQueue);\r\n });\r\n return p;\r\n }\r\n /** Registers a handler that will be invoked when the hub method with the specified method name is invoked.\r\n *\r\n * @param {string} methodName The name of the hub method to define.\r\n * @param {Function} newMethod The handler that will be raised when the hub method is invoked.\r\n */\r\n on(methodName, newMethod) {\r\n if (!methodName || !newMethod) {\r\n return;\r\n }\r\n methodName = methodName.toLowerCase();\r\n if (!this._methods[methodName]) {\r\n this._methods[methodName] = [];\r\n }\r\n // Preventing adding the same handler multiple times.\r\n if (this._methods[methodName].indexOf(newMethod) !== -1) {\r\n return;\r\n }\r\n this._methods[methodName].push(newMethod);\r\n }\r\n off(methodName, method) {\r\n if (!methodName) {\r\n return;\r\n }\r\n methodName = methodName.toLowerCase();\r\n const handlers = this._methods[methodName];\r\n if (!handlers) {\r\n return;\r\n }\r\n if (method) {\r\n const removeIdx = handlers.indexOf(method);\r\n if (removeIdx !== -1) {\r\n handlers.splice(removeIdx, 1);\r\n if (handlers.length === 0) {\r\n delete this._methods[methodName];\r\n }\r\n }\r\n }\r\n else {\r\n delete this._methods[methodName];\r\n }\r\n }\r\n /** Registers a handler that will be invoked when the connection is closed.\r\n *\r\n * @param {Function} callback The handler that will be invoked when the connection is closed. Optionally receives a single argument containing the error that caused the connection to close (if any).\r\n */\r\n onclose(callback) {\r\n if (callback) {\r\n this._closedCallbacks.push(callback);\r\n }\r\n }\r\n /** Registers a handler that will be invoked when the connection starts reconnecting.\r\n *\r\n * @param {Function} callback The handler that will be invoked when the connection starts reconnecting. Optionally receives a single argument containing the error that caused the connection to start reconnecting (if any).\r\n */\r\n onreconnecting(callback) {\r\n if (callback) {\r\n this._reconnectingCallbacks.push(callback);\r\n }\r\n }\r\n /** Registers a handler that will be invoked when the connection successfully reconnects.\r\n *\r\n * @param {Function} callback The handler that will be invoked when the connection successfully reconnects.\r\n */\r\n onreconnected(callback) {\r\n if (callback) {\r\n this._reconnectedCallbacks.push(callback);\r\n }\r\n }\r\n _processIncomingData(data) {\r\n this._cleanupTimeout();\r\n if (!this._receivedHandshakeResponse) {\r\n data = this._processHandshakeResponse(data);\r\n this._receivedHandshakeResponse = true;\r\n }\r\n // Data may have all been read when processing handshake response\r\n if (data) {\r\n // Parse the messages\r\n const messages = this._protocol.parseMessages(data, this._logger);\r\n for (const message of messages) {\r\n switch (message.type) {\r\n case MessageType.Invocation:\r\n this._invokeClientMethod(message);\r\n break;\r\n case MessageType.StreamItem:\r\n case MessageType.Completion: {\r\n const callback = this._callbacks[message.invocationId];\r\n if (callback) {\r\n if (message.type === MessageType.Completion) {\r\n delete this._callbacks[message.invocationId];\r\n }\r\n try {\r\n callback(message);\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `Stream callback threw error: ${getErrorString(e)}`);\r\n }\r\n }\r\n break;\r\n }\r\n case MessageType.Ping:\r\n // Don't care about pings\r\n break;\r\n case MessageType.Close: {\r\n this._logger.log(LogLevel.Information, \"Close message received from server.\");\r\n const error = message.error ? new Error(\"Server returned an error on close: \" + message.error) : undefined;\r\n if (message.allowReconnect === true) {\r\n // It feels wrong not to await connection.stop() here, but processIncomingData is called as part of an onreceive callback which is not async,\r\n // this is already the behavior for serverTimeout(), and HttpConnection.Stop() should catch and log all possible exceptions.\r\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n this.connection.stop(error);\r\n }\r\n else {\r\n // We cannot await stopInternal() here, but subsequent calls to stop() will await this if stopInternal() is still ongoing.\r\n this._stopPromise = this._stopInternal(error);\r\n }\r\n break;\r\n }\r\n default:\r\n this._logger.log(LogLevel.Warning, `Invalid message type: ${message.type}.`);\r\n break;\r\n }\r\n }\r\n }\r\n this._resetTimeoutPeriod();\r\n }\r\n _processHandshakeResponse(data) {\r\n let responseMessage;\r\n let remainingData;\r\n try {\r\n [remainingData, responseMessage] = this._handshakeProtocol.parseHandshakeResponse(data);\r\n }\r\n catch (e) {\r\n const message = \"Error parsing handshake response: \" + e;\r\n this._logger.log(LogLevel.Error, message);\r\n const error = new Error(message);\r\n this._handshakeRejecter(error);\r\n throw error;\r\n }\r\n if (responseMessage.error) {\r\n const message = \"Server returned handshake error: \" + responseMessage.error;\r\n this._logger.log(LogLevel.Error, message);\r\n const error = new Error(message);\r\n this._handshakeRejecter(error);\r\n throw error;\r\n }\r\n else {\r\n this._logger.log(LogLevel.Debug, \"Server handshake complete.\");\r\n }\r\n this._handshakeResolver();\r\n return remainingData;\r\n }\r\n _resetKeepAliveInterval() {\r\n if (this.connection.features.inherentKeepAlive) {\r\n return;\r\n }\r\n // Set the time we want the next keep alive to be sent\r\n // Timer will be setup on next message receive\r\n this._nextKeepAlive = new Date().getTime() + this.keepAliveIntervalInMilliseconds;\r\n this._cleanupPingTimer();\r\n }\r\n _resetTimeoutPeriod() {\r\n if (!this.connection.features || !this.connection.features.inherentKeepAlive) {\r\n // Set the timeout timer\r\n this._timeoutHandle = setTimeout(() => this.serverTimeout(), this.serverTimeoutInMilliseconds);\r\n // Set keepAlive timer if there isn't one\r\n if (this._pingServerHandle === undefined) {\r\n let nextPing = this._nextKeepAlive - new Date().getTime();\r\n if (nextPing < 0) {\r\n nextPing = 0;\r\n }\r\n // The timer needs to be set from a networking callback to avoid Chrome timer throttling from causing timers to run once a minute\r\n this._pingServerHandle = setTimeout(async () => {\r\n if (this._connectionState === HubConnectionState.Connected) {\r\n try {\r\n await this._sendMessage(this._cachedPingMessage);\r\n }\r\n catch {\r\n // We don't care about the error. It should be seen elsewhere in the client.\r\n // The connection is probably in a bad or closed state now, cleanup the timer so it stops triggering\r\n this._cleanupPingTimer();\r\n }\r\n }\r\n }, nextPing);\r\n }\r\n }\r\n }\r\n // eslint-disable-next-line @typescript-eslint/naming-convention\r\n serverTimeout() {\r\n // The server hasn't talked to us in a while. It doesn't like us anymore ... :(\r\n // Terminate the connection, but we don't need to wait on the promise. This could trigger reconnecting.\r\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n this.connection.stop(new Error(\"Server timeout elapsed without receiving a message from the server.\"));\r\n }\r\n _invokeClientMethod(invocationMessage) {\r\n const methods = this._methods[invocationMessage.target.toLowerCase()];\r\n if (methods) {\r\n try {\r\n methods.forEach((m) => m.apply(this, invocationMessage.arguments));\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `A callback for the method ${invocationMessage.target.toLowerCase()} threw error '${e}'.`);\r\n }\r\n if (invocationMessage.invocationId) {\r\n // This is not supported in v1. So we return an error to avoid blocking the server waiting for the response.\r\n const message = \"Server requested a response, which is not supported in this version of the client.\";\r\n this._logger.log(LogLevel.Error, message);\r\n // We don't want to wait on the stop itself.\r\n this._stopPromise = this._stopInternal(new Error(message));\r\n }\r\n }\r\n else {\r\n this._logger.log(LogLevel.Warning, `No client method with the name '${invocationMessage.target}' found.`);\r\n }\r\n }\r\n _connectionClosed(error) {\r\n this._logger.log(LogLevel.Debug, `HubConnection.connectionClosed(${error}) called while in state ${this._connectionState}.`);\r\n // Triggering this.handshakeRejecter is insufficient because it could already be resolved without the continuation having run yet.\r\n this._stopDuringStartError = this._stopDuringStartError || error || new Error(\"The underlying connection was closed before the hub handshake could complete.\");\r\n // If the handshake is in progress, start will be waiting for the handshake promise, so we complete it.\r\n // If it has already completed, this should just noop.\r\n if (this._handshakeResolver) {\r\n this._handshakeResolver();\r\n }\r\n this._cancelCallbacksWithError(error || new Error(\"Invocation canceled due to the underlying connection being closed.\"));\r\n this._cleanupTimeout();\r\n this._cleanupPingTimer();\r\n if (this._connectionState === HubConnectionState.Disconnecting) {\r\n this._completeClose(error);\r\n }\r\n else if (this._connectionState === HubConnectionState.Connected && this._reconnectPolicy) {\r\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n this._reconnect(error);\r\n }\r\n else if (this._connectionState === HubConnectionState.Connected) {\r\n this._completeClose(error);\r\n }\r\n // If none of the above if conditions were true were called the HubConnection must be in either:\r\n // 1. The Connecting state in which case the handshakeResolver will complete it and stopDuringStartError will fail it.\r\n // 2. The Reconnecting state in which case the handshakeResolver will complete it and stopDuringStartError will fail the current reconnect attempt\r\n // and potentially continue the reconnect() loop.\r\n // 3. The Disconnected state in which case we're already done.\r\n }\r\n _completeClose(error) {\r\n if (this._connectionStarted) {\r\n this._connectionState = HubConnectionState.Disconnected;\r\n this._connectionStarted = false;\r\n if (Platform.isBrowser) {\r\n window.document.removeEventListener(\"freeze\", this._freezeEventListener);\r\n }\r\n try {\r\n this._closedCallbacks.forEach((c) => c.apply(this, [error]));\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `An onclose callback called with error '${error}' threw error '${e}'.`);\r\n }\r\n }\r\n }\r\n async _reconnect(error) {\r\n const reconnectStartTime = Date.now();\r\n let previousReconnectAttempts = 0;\r\n let retryError = error !== undefined ? error : new Error(\"Attempting to reconnect due to a unknown error.\");\r\n let nextRetryDelay = this._getNextRetryDelay(previousReconnectAttempts++, 0, retryError);\r\n if (nextRetryDelay === null) {\r\n this._logger.log(LogLevel.Debug, \"Connection not reconnecting because the IRetryPolicy returned null on the first reconnect attempt.\");\r\n this._completeClose(error);\r\n return;\r\n }\r\n this._connectionState = HubConnectionState.Reconnecting;\r\n if (error) {\r\n this._logger.log(LogLevel.Information, `Connection reconnecting because of error '${error}'.`);\r\n }\r\n else {\r\n this._logger.log(LogLevel.Information, \"Connection reconnecting.\");\r\n }\r\n if (this._reconnectingCallbacks.length !== 0) {\r\n try {\r\n this._reconnectingCallbacks.forEach((c) => c.apply(this, [error]));\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `An onreconnecting callback called with error '${error}' threw error '${e}'.`);\r\n }\r\n // Exit early if an onreconnecting callback called connection.stop().\r\n if (this._connectionState !== HubConnectionState.Reconnecting) {\r\n this._logger.log(LogLevel.Debug, \"Connection left the reconnecting state in onreconnecting callback. Done reconnecting.\");\r\n return;\r\n }\r\n }\r\n while (nextRetryDelay !== null) {\r\n this._logger.log(LogLevel.Information, `Reconnect attempt number ${previousReconnectAttempts} will start in ${nextRetryDelay} ms.`);\r\n await new Promise((resolve) => {\r\n this._reconnectDelayHandle = setTimeout(resolve, nextRetryDelay);\r\n });\r\n this._reconnectDelayHandle = undefined;\r\n if (this._connectionState !== HubConnectionState.Reconnecting) {\r\n this._logger.log(LogLevel.Debug, \"Connection left the reconnecting state during reconnect delay. Done reconnecting.\");\r\n return;\r\n }\r\n try {\r\n await this._startInternal();\r\n this._connectionState = HubConnectionState.Connected;\r\n this._logger.log(LogLevel.Information, \"HubConnection reconnected successfully.\");\r\n if (this._reconnectedCallbacks.length !== 0) {\r\n try {\r\n this._reconnectedCallbacks.forEach((c) => c.apply(this, [this.connection.connectionId]));\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `An onreconnected callback called with connectionId '${this.connection.connectionId}; threw error '${e}'.`);\r\n }\r\n }\r\n return;\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Information, `Reconnect attempt failed because of error '${e}'.`);\r\n if (this._connectionState !== HubConnectionState.Reconnecting) {\r\n this._logger.log(LogLevel.Debug, `Connection moved to the '${this._connectionState}' from the reconnecting state during reconnect attempt. Done reconnecting.`);\r\n // The TypeScript compiler thinks that connectionState must be Connected here. The TypeScript compiler is wrong.\r\n if (this._connectionState === HubConnectionState.Disconnecting) {\r\n this._completeClose();\r\n }\r\n return;\r\n }\r\n retryError = e instanceof Error ? e : new Error(e.toString());\r\n nextRetryDelay = this._getNextRetryDelay(previousReconnectAttempts++, Date.now() - reconnectStartTime, retryError);\r\n }\r\n }\r\n this._logger.log(LogLevel.Information, `Reconnect retries have been exhausted after ${Date.now() - reconnectStartTime} ms and ${previousReconnectAttempts} failed attempts. Connection disconnecting.`);\r\n this._completeClose();\r\n }\r\n _getNextRetryDelay(previousRetryCount, elapsedMilliseconds, retryReason) {\r\n try {\r\n return this._reconnectPolicy.nextRetryDelayInMilliseconds({\r\n elapsedMilliseconds,\r\n previousRetryCount,\r\n retryReason,\r\n });\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `IRetryPolicy.nextRetryDelayInMilliseconds(${previousRetryCount}, ${elapsedMilliseconds}) threw error '${e}'.`);\r\n return null;\r\n }\r\n }\r\n _cancelCallbacksWithError(error) {\r\n const callbacks = this._callbacks;\r\n this._callbacks = {};\r\n Object.keys(callbacks)\r\n .forEach((key) => {\r\n const callback = callbacks[key];\r\n try {\r\n callback(null, error);\r\n }\r\n catch (e) {\r\n this._logger.log(LogLevel.Error, `Stream 'error' callback called with '${error}' threw error: ${getErrorString(e)}`);\r\n }\r\n });\r\n }\r\n _cleanupPingTimer() {\r\n if (this._pingServerHandle) {\r\n clearTimeout(this._pingServerHandle);\r\n this._pingServerHandle = undefined;\r\n }\r\n }\r\n _cleanupTimeout() {\r\n if (this._timeoutHandle) {\r\n clearTimeout(this._timeoutHandle);\r\n }\r\n }\r\n _createInvocation(methodName, args, nonblocking, streamIds) {\r\n if (nonblocking) {\r\n if (streamIds.length !== 0) {\r\n return {\r\n arguments: args,\r\n streamIds,\r\n target: methodName,\r\n type: MessageType.Invocation,\r\n };\r\n }\r\n else {\r\n return {\r\n arguments: args,\r\n target: methodName,\r\n type: MessageType.Invocation,\r\n };\r\n }\r\n }\r\n else {\r\n const invocationId = this._invocationId;\r\n this._invocationId++;\r\n if (streamIds.length !== 0) {\r\n return {\r\n arguments: args,\r\n invocationId: invocationId.toString(),\r\n streamIds,\r\n target: methodName,\r\n type: MessageType.Invocation,\r\n };\r\n }\r\n else {\r\n return {\r\n arguments: args,\r\n invocationId: invocationId.toString(),\r\n target: methodName,\r\n type: MessageType.Invocation,\r\n };\r\n }\r\n }\r\n }\r\n _launchStreams(streams, promiseQueue) {\r\n if (streams.length === 0) {\r\n return;\r\n }\r\n // Synchronize stream data so they arrive in-order on the server\r\n if (!promiseQueue) {\r\n promiseQueue = Promise.resolve();\r\n }\r\n // We want to iterate over the keys, since the keys are the stream ids\r\n // eslint-disable-next-line guard-for-in\r\n for (const streamId in streams) {\r\n streams[streamId].subscribe({\r\n complete: () => {\r\n promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createCompletionMessage(streamId)));\r\n },\r\n error: (err) => {\r\n let message;\r\n if (err instanceof Error) {\r\n message = err.message;\r\n }\r\n else if (err && err.toString) {\r\n message = err.toString();\r\n }\r\n else {\r\n message = \"Unknown error\";\r\n }\r\n promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createCompletionMessage(streamId, message)));\r\n },\r\n next: (item) => {\r\n promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createStreamItemMessage(streamId, item)));\r\n },\r\n });\r\n }\r\n }\r\n _replaceStreamingParams(args) {\r\n const streams = [];\r\n const streamIds = [];\r\n for (let i = 0; i < args.length; i++) {\r\n const argument = args[i];\r\n if (this._isObservable(argument)) {\r\n const streamId = this._invocationId;\r\n this._invocationId++;\r\n // Store the stream for later use\r\n streams[streamId] = argument;\r\n streamIds.push(streamId.toString());\r\n // remove stream from args\r\n args.splice(i, 1);\r\n }\r\n }\r\n return [streams, streamIds];\r\n }\r\n _isObservable(arg) {\r\n // This allows other stream implementations to just work (like rxjs)\r\n return arg && arg.subscribe && typeof arg.subscribe === \"function\";\r\n }\r\n _createStreamInvocation(methodName, args, streamIds) {\r\n const invocationId = this._invocationId;\r\n this._invocationId++;\r\n if (streamIds.length !== 0) {\r\n return {\r\n arguments: args,\r\n invocationId: invocationId.toString(),\r\n streamIds,\r\n target: methodName,\r\n type: MessageType.StreamInvocation,\r\n };\r\n }\r\n else {\r\n return {\r\n arguments: args,\r\n invocationId: invocationId.toString(),\r\n target: methodName,\r\n type: MessageType.StreamInvocation,\r\n };\r\n }\r\n }\r\n _createCancelInvocation(id) {\r\n return {\r\n invocationId: id,\r\n type: MessageType.CancelInvocation,\r\n };\r\n }\r\n _createStreamItemMessage(id, item) {\r\n return {\r\n invocationId: id,\r\n item,\r\n type: MessageType.StreamItem,\r\n };\r\n }\r\n _createCompletionMessage(id, error, result) {\r\n if (error) {\r\n return {\r\n error,\r\n invocationId: id,\r\n type: MessageType.Completion,\r\n };\r\n }\r\n return {\r\n invocationId: id,\r\n result,\r\n type: MessageType.Completion,\r\n };\r\n }\r\n}\r\n//# sourceMappingURL=HubConnection.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { MessageType } from \"./IHubProtocol\";\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { TransferFormat } from \"./ITransport\";\r\nimport { NullLogger } from \"./Loggers\";\r\nimport { TextMessageFormat } from \"./TextMessageFormat\";\r\nconst JSON_HUB_PROTOCOL_NAME = \"json\";\r\n/** Implements the JSON Hub Protocol. */\r\nexport class JsonHubProtocol {\r\n constructor() {\r\n /** @inheritDoc */\r\n this.name = JSON_HUB_PROTOCOL_NAME;\r\n /** @inheritDoc */\r\n this.version = 1;\r\n /** @inheritDoc */\r\n this.transferFormat = TransferFormat.Text;\r\n }\r\n /** Creates an array of {@link @microsoft/signalr.HubMessage} objects from the specified serialized representation.\r\n *\r\n * @param {string} input A string containing the serialized representation.\r\n * @param {ILogger} logger A logger that will be used to log messages that occur during parsing.\r\n */\r\n parseMessages(input, logger) {\r\n // The interface does allow \"ArrayBuffer\" to be passed in, but this implementation does not. So let's throw a useful error.\r\n if (typeof input !== \"string\") {\r\n throw new Error(\"Invalid input for JSON hub protocol. Expected a string.\");\r\n }\r\n if (!input) {\r\n return [];\r\n }\r\n if (logger === null) {\r\n logger = NullLogger.instance;\r\n }\r\n // Parse the messages\r\n const messages = TextMessageFormat.parse(input);\r\n const hubMessages = [];\r\n for (const message of messages) {\r\n const parsedMessage = JSON.parse(message);\r\n if (typeof parsedMessage.type !== \"number\") {\r\n throw new Error(\"Invalid payload.\");\r\n }\r\n switch (parsedMessage.type) {\r\n case MessageType.Invocation:\r\n this._isInvocationMessage(parsedMessage);\r\n break;\r\n case MessageType.StreamItem:\r\n this._isStreamItemMessage(parsedMessage);\r\n break;\r\n case MessageType.Completion:\r\n this._isCompletionMessage(parsedMessage);\r\n break;\r\n case MessageType.Ping:\r\n // Single value, no need to validate\r\n break;\r\n case MessageType.Close:\r\n // All optional values, no need to validate\r\n break;\r\n default:\r\n // Future protocol changes can add message types, old clients can ignore them\r\n logger.log(LogLevel.Information, \"Unknown message type '\" + parsedMessage.type + \"' ignored.\");\r\n continue;\r\n }\r\n hubMessages.push(parsedMessage);\r\n }\r\n return hubMessages;\r\n }\r\n /** Writes the specified {@link @microsoft/signalr.HubMessage} to a string and returns it.\r\n *\r\n * @param {HubMessage} message The message to write.\r\n * @returns {string} A string containing the serialized representation of the message.\r\n */\r\n writeMessage(message) {\r\n return TextMessageFormat.write(JSON.stringify(message));\r\n }\r\n _isInvocationMessage(message) {\r\n this._assertNotEmptyString(message.target, \"Invalid payload for Invocation message.\");\r\n if (message.invocationId !== undefined) {\r\n this._assertNotEmptyString(message.invocationId, \"Invalid payload for Invocation message.\");\r\n }\r\n }\r\n _isStreamItemMessage(message) {\r\n this._assertNotEmptyString(message.invocationId, \"Invalid payload for StreamItem message.\");\r\n if (message.item === undefined) {\r\n throw new Error(\"Invalid payload for StreamItem message.\");\r\n }\r\n }\r\n _isCompletionMessage(message) {\r\n if (message.result && message.error) {\r\n throw new Error(\"Invalid payload for Completion message.\");\r\n }\r\n if (!message.result && message.error) {\r\n this._assertNotEmptyString(message.error, \"Invalid payload for Completion message.\");\r\n }\r\n this._assertNotEmptyString(message.invocationId, \"Invalid payload for Completion message.\");\r\n }\r\n _assertNotEmptyString(value, errorMessage) {\r\n if (typeof value !== \"string\" || value === \"\") {\r\n throw new Error(errorMessage);\r\n }\r\n }\r\n}\r\n//# sourceMappingURL=JsonHubProtocol.js.map","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\nimport { DefaultReconnectPolicy } from \"./DefaultReconnectPolicy\";\r\nimport { HttpConnection } from \"./HttpConnection\";\r\nimport { HubConnection } from \"./HubConnection\";\r\nimport { LogLevel } from \"./ILogger\";\r\nimport { JsonHubProtocol } from \"./JsonHubProtocol\";\r\nimport { NullLogger } from \"./Loggers\";\r\nimport { Arg, ConsoleLogger } from \"./Utils\";\r\nconst LogLevelNameMapping = {\r\n trace: LogLevel.Trace,\r\n debug: LogLevel.Debug,\r\n info: LogLevel.Information,\r\n information: LogLevel.Information,\r\n warn: LogLevel.Warning,\r\n warning: LogLevel.Warning,\r\n error: LogLevel.Error,\r\n critical: LogLevel.Critical,\r\n none: LogLevel.None,\r\n};\r\nfunction parseLogLevel(name) {\r\n // Case-insensitive matching via lower-casing\r\n // Yes, I know case-folding is a complicated problem in Unicode, but we only support\r\n // the ASCII strings defined in LogLevelNameMapping anyway, so it's fine -anurse.\r\n const mapping = LogLevelNameMapping[name.toLowerCase()];\r\n if (typeof mapping !== \"undefined\") {\r\n return mapping;\r\n }\r\n else {\r\n throw new Error(`Unknown log level: ${name}`);\r\n }\r\n}\r\n/** A builder for configuring {@link @microsoft/signalr.HubConnection} instances. */\r\nexport class HubConnectionBuilder {\r\n configureLogging(logging) {\r\n Arg.isRequired(logging, \"logging\");\r\n if (isLogger(logging)) {\r\n this.logger = logging;\r\n }\r\n else if (typeof logging === \"string\") {\r\n const logLevel = parseLogLevel(logging);\r\n this.logger = new ConsoleLogger(logLevel);\r\n }\r\n else {\r\n this.logger = new ConsoleLogger(logging);\r\n }\r\n return this;\r\n }\r\n withUrl(url, transportTypeOrOptions) {\r\n Arg.isRequired(url, \"url\");\r\n Arg.isNotEmpty(url, \"url\");\r\n this.url = url;\r\n // Flow-typing knows where it's at. Since HttpTransportType is a number and IHttpConnectionOptions is guaranteed\r\n // to be an object, we know (as does TypeScript) this comparison is all we need to figure out which overload was called.\r\n if (typeof transportTypeOrOptions === \"object\") {\r\n this.httpConnectionOptions = { ...this.httpConnectionOptions, ...transportTypeOrOptions };\r\n }\r\n else {\r\n this.httpConnectionOptions = {\r\n ...this.httpConnectionOptions,\r\n transport: transportTypeOrOptions,\r\n };\r\n }\r\n return this;\r\n }\r\n /** Configures the {@link @microsoft/signalr.HubConnection} to use the specified Hub Protocol.\r\n *\r\n * @param {IHubProtocol} protocol The {@link @microsoft/signalr.IHubProtocol} implementation to use.\r\n */\r\n withHubProtocol(protocol) {\r\n Arg.isRequired(protocol, \"protocol\");\r\n this.protocol = protocol;\r\n return this;\r\n }\r\n withAutomaticReconnect(retryDelaysOrReconnectPolicy) {\r\n if (this.reconnectPolicy) {\r\n throw new Error(\"A reconnectPolicy has already been set.\");\r\n }\r\n if (!retryDelaysOrReconnectPolicy) {\r\n this.reconnectPolicy = new DefaultReconnectPolicy();\r\n }\r\n else if (Array.isArray(retryDelaysOrReconnectPolicy)) {\r\n this.reconnectPolicy = new DefaultReconnectPolicy(retryDelaysOrReconnectPolicy);\r\n }\r\n else {\r\n this.reconnectPolicy = retryDelaysOrReconnectPolicy;\r\n }\r\n return this;\r\n }\r\n /** Creates a {@link @microsoft/signalr.HubConnection} from the configuration options specified in this builder.\r\n *\r\n * @returns {HubConnection} The configured {@link @microsoft/signalr.HubConnection}.\r\n */\r\n build() {\r\n // If httpConnectionOptions has a logger, use it. Otherwise, override it with the one\r\n // provided to configureLogger\r\n const httpConnectionOptions = this.httpConnectionOptions || {};\r\n // If it's 'null', the user **explicitly** asked for null, don't mess with it.\r\n if (httpConnectionOptions.logger === undefined) {\r\n // If our logger is undefined or null, that's OK, the HttpConnection constructor will handle it.\r\n httpConnectionOptions.logger = this.logger;\r\n }\r\n // Now create the connection\r\n if (!this.url) {\r\n throw new Error(\"The 'HubConnectionBuilder.withUrl' method must be called before building the connection.\");\r\n }\r\n const connection = new HttpConnection(this.url, httpConnectionOptions);\r\n return HubConnection.create(connection, this.logger || NullLogger.instance, this.protocol || new JsonHubProtocol(), this.reconnectPolicy);\r\n }\r\n}\r\nfunction isLogger(logger) {\r\n return logger.log !== undefined;\r\n}\r\n//# sourceMappingURL=HubConnectionBuilder.js.map","/**\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 to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** `Object#toString` result references. */\nvar funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]';\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\n/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n return object == null ? undefined : object[key];\n}\n\n/**\n * Checks if `value` is a host object in IE < 9.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a host object, else `false`.\n */\nfunction isHostObject(value) {\n // Many host objects are `Object` objects that can coerce to strings\n // despite having improperly defined `toString` methods.\n var result = false;\n if (value != null && typeof value.toString != 'function') {\n try {\n result = !!(value + '');\n } catch (e) {}\n }\n return result;\n}\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\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/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n);\n\n/** Built-in value references. */\nvar splice = arrayProto.splice;\n\n/* Built-in method references that are verified to be native. */\nvar Map = getNative(root, 'Map'),\n nativeCreate = getNative(Object, 'create');\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n var index = -1,\n length = entries ? entries.length : 0;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n}\n\n/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n return this.has(key) && delete this.__data__[key];\n}\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);\n}\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n var data = this.__data__;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n var index = -1,\n length = entries ? entries.length : 0;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n this.__data__ = [];\n}\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n return true;\n}\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n}\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n}\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n var index = -1,\n length = entries ? entries.length : 0;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n}\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n return getMapData(this, key)['delete'](key);\n}\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n return getMapData(this, key).get(key);\n}\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n return getMapData(this, key).has(key);\n}\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n getMapData(this, key).set(key, value);\n return this;\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n}\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\nfunction baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n}\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n}\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n}\n\n/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n}\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n}\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to process.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n}\n\n/**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\nfunction memoize(func, resolver) {\n if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result);\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n}\n\n// Assign cache to `_.memoize`.\nmemoize.Cache = MapCache;\n\n/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n return value === other || (value !== value && other !== other);\n}\n\n/**\n * Checks if `value` is classified as a `Function` object.\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 a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 8-9 which returns 'object' for typed array and other constructors.\n var tag = isObject(value) ? objectToString.call(value) : '';\n return tag == funcTag || tag == genTag;\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\nmodule.exports = memoize;\n","var fails = require('../internals/fails');\n\nmodule.exports = !fails(function () {\n return Object.isExtensible(Object.preventExtensions({}));\n});\n","// Licensed to the .NET Foundation under one or more agreements.\r\n// The .NET Foundation licenses this file to you under the MIT license.\r\n/** A logger that does nothing when log messages are sent to it. */\r\nexport class NullLogger {\r\n constructor() { }\r\n /** @inheritDoc */\r\n // eslint-disable-next-line\r\n log(_logLevel, _message) {\r\n }\r\n}\r\n/** The singleton instance of the {@link @microsoft/signalr.NullLogger}. */\r\nNullLogger.instance = new NullLogger();\r\n//# sourceMappingURL=Loggers.js.map","var global = require('../internals/global');\nvar trim = require('../internals/string-trim').trim;\nvar whitespaces = require('../internals/whitespaces');\n\nvar $parseInt = global.parseInt;\nvar hex = /^[+-]?0[Xx]/;\nvar FORCED = $parseInt(whitespaces + '08') !== 8 || $parseInt(whitespaces + '0x16') !== 22;\n\n// `parseInt` method\n// https://tc39.github.io/ecma262/#sec-parseint-string-radix\nmodule.exports = FORCED ? function parseInt(string, radix) {\n var S = trim(String(string));\n return $parseInt(S, (radix >>> 0) || (hex.test(S) ? 16 : 10));\n} : $parseInt;\n","'use strict';\nvar $ = require('../internals/export');\nvar $indexOf = require('../internals/array-includes').indexOf;\nvar arrayMethodIsStrict = require('../internals/array-method-is-strict');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar nativeIndexOf = [].indexOf;\n\nvar NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;\nvar STRICT_METHOD = arrayMethodIsStrict('indexOf');\nvar USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });\n\n// `Array.prototype.indexOf` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.indexof\n$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH }, {\n indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {\n return NEGATIVE_ZERO\n // convert -0 to +0\n ? nativeIndexOf.apply(this, arguments) || 0\n : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);\n }\n});\n","var aFunction = require('../internals/a-function');\nvar toObject = require('../internals/to-object');\nvar IndexedObject = require('../internals/indexed-object');\nvar toLength = require('../internals/to-length');\n\n// `Array.prototype.{ reduce, reduceRight }` methods implementation\nvar createMethod = function (IS_RIGHT) {\n return function (that, callbackfn, argumentsLength, memo) {\n aFunction(callbackfn);\n var O = toObject(that);\n var self = IndexedObject(O);\n var length = toLength(O.length);\n var index = IS_RIGHT ? length - 1 : 0;\n var i = IS_RIGHT ? -1 : 1;\n if (argumentsLength < 2) while (true) {\n if (index in self) {\n memo = self[index];\n index += i;\n break;\n }\n index += i;\n if (IS_RIGHT ? index < 0 : length <= index) {\n throw TypeError('Reduce of empty array with no initial value');\n }\n }\n for (;IS_RIGHT ? index >= 0 : length > index; index += i) if (index in self) {\n memo = callbackfn(memo, self[index], index, O);\n }\n return memo;\n };\n};\n\nmodule.exports = {\n // `Array.prototype.reduce` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.reduce\n left: createMethod(false),\n // `Array.prototype.reduceRight` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.reduceright\n right: createMethod(true)\n};\n","module.exports = __webpack_public_path__ + \"img/xls.d451c295.png\";","module.exports = __webpack_public_path__ + \"img/layout-3.06b3c203.jpg\";","var $ = require('../internals/export');\nvar parseIntImplementation = require('../internals/number-parse-int');\n\n// `parseInt` method\n// https://tc39.github.io/ecma262/#sec-parseint-string-radix\n$({ global: true, forced: parseInt != parseIntImplementation }, {\n parseInt: parseIntImplementation\n});\n","module.exports = __webpack_public_path__ + \"img/logo.f7686e58.svg\";","'use strict';\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toInteger = require('../internals/to-integer');\nvar toLength = require('../internals/to-length');\nvar arrayMethodIsStrict = require('../internals/array-method-is-strict');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar min = Math.min;\nvar nativeLastIndexOf = [].lastIndexOf;\nvar NEGATIVE_ZERO = !!nativeLastIndexOf && 1 / [1].lastIndexOf(1, -0) < 0;\nvar STRICT_METHOD = arrayMethodIsStrict('lastIndexOf');\n// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method\nvar USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });\nvar FORCED = NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH;\n\n// `Array.prototype.lastIndexOf` method implementation\n// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof\nmodule.exports = FORCED ? function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {\n // convert -0 to +0\n if (NEGATIVE_ZERO) return nativeLastIndexOf.apply(this, arguments) || 0;\n var O = toIndexedObject(this);\n var length = toLength(O.length);\n var index = length - 1;\n if (arguments.length > 1) index = min(index, toInteger(arguments[1]));\n if (index < 0) index = length + index;\n for (;index >= 0; index--) if (index in O && O[index] === searchElement) return index || 0;\n return -1;\n} : nativeLastIndexOf;\n","var hiddenKeys = require('../internals/hidden-keys');\nvar isObject = require('../internals/is-object');\nvar has = require('../internals/has');\nvar defineProperty = require('../internals/object-define-property').f;\nvar uid = require('../internals/uid');\nvar FREEZING = require('../internals/freezing');\n\nvar METADATA = uid('meta');\nvar id = 0;\n\nvar isExtensible = Object.isExtensible || function () {\n return true;\n};\n\nvar setMetadata = function (it) {\n defineProperty(it, METADATA, { value: {\n objectID: 'O' + ++id, // object ID\n weakData: {} // weak collections IDs\n } });\n};\n\nvar fastKey = function (it, create) {\n // return a primitive with prefix\n if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n if (!has(it, METADATA)) {\n // can't set metadata to uncaught frozen object\n if (!isExtensible(it)) return 'F';\n // not necessary to add metadata\n if (!create) return 'E';\n // add missing metadata\n setMetadata(it);\n // return object ID\n } return it[METADATA].objectID;\n};\n\nvar getWeakData = function (it, create) {\n if (!has(it, METADATA)) {\n // can't set metadata to uncaught frozen object\n if (!isExtensible(it)) return true;\n // not necessary to add metadata\n if (!create) return false;\n // add missing metadata\n setMetadata(it);\n // return the store of weak collections IDs\n } return it[METADATA].weakData;\n};\n\n// add metadata on freeze-family methods calling\nvar onFreeze = function (it) {\n if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);\n return it;\n};\n\nvar meta = module.exports = {\n REQUIRED: false,\n fastKey: fastKey,\n getWeakData: getWeakData,\n onFreeze: onFreeze\n};\n\nhiddenKeys[METADATA] = true;\n","module.exports = __webpack_public_path__ + \"img/pdf.dedce392.png\";","/**\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"],"sourceRoot":""}