\\n\",\n animations: [\n trigger('flyInOut', [\n transition('void => *', [\n inactiveStyle,\n animate(timing)\n ]),\n transition('* => void', [\n animate(timing, inactiveStyle)\n ])\n ])\n ],\n styles: [\"\"]\n }] }\n];\n/** @nocollapse */\nNgBusyComponent.ctorParameters = () => [\n { type: InstanceConfigHolderService, decorators: [{ type: Inject, args: ['instanceConfigHolder',] }] },\n { type: EventEmitter, decorators: [{ type: Inject, args: ['busyEmitter',] }] },\n { type: ChangeDetectorRef }\n];\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\nclass NgBusyDirective {\n /**\n * @param {?} configHolder\n * @param {?} instanceConfigHolder\n * @param {?} resolver\n * @param {?} tracker\n * @param {?} appRef\n * @param {?} vcr\n * @param {?} element\n * @param {?} renderer\n * @param {?} injector\n */\n constructor(configHolder, instanceConfigHolder, resolver, tracker, appRef, vcr, element, renderer, injector) {\n this.configHolder = configHolder;\n this.instanceConfigHolder = instanceConfigHolder;\n this.resolver = resolver;\n this.tracker = tracker;\n this.appRef = appRef;\n this.vcr = vcr;\n this.element = element;\n this.renderer = renderer;\n this.injector = injector;\n this.busyStart = new EventEmitter();\n this.busyStop = new EventEmitter();\n this.isLoading = false;\n this.busyEmitter = new EventEmitter();\n this.onStartSubscription = tracker.onStartBusy.subscribe((/**\n * @return {?}\n */\n () => {\n setTimeout((/**\n * @return {?}\n */\n () => {\n this.recreateBusyIfNecessary();\n this.isLoading = true;\n this.busyEmitter.emit(this.isLoading);\n this.busyStart.emit();\n }), 0);\n }));\n this.onStopSubscription = tracker.onStopBusy.subscribe((/**\n * @return {?}\n */\n () => {\n this.isLoading = false;\n this.busyEmitter.emit(this.isLoading);\n this.busyStop.emit();\n }));\n }\n /**\n * @param {?} op\n * @return {?}\n */\n set options(op) {\n this._option = op;\n }\n /**\n * @return {?}\n */\n get options() {\n return this._option;\n }\n /**\n * @return {?}\n */\n ngDoCheck() {\n this.optionsNorm = this.normalizeOptions(this.options);\n this.instanceConfigHolder.config = this.optionsNorm;\n this.tracker.load({\n busyList: this.optionsNorm.busy,\n delay: this.optionsNorm.delay,\n minDuration: this.optionsNorm.minDuration\n });\n }\n /**\n * @return {?}\n */\n ngOnDestroy() {\n this.destroyComponents();\n this.onStartSubscription.unsubscribe();\n this.onStopSubscription.unsubscribe();\n }\n /**\n * @private\n * @return {?}\n */\n recreateBusyIfNecessary() {\n if (!this.busyRef\n || this.template !== this.optionsNorm.template\n || this.templateNgStyle !== this.optionsNorm.templateNgStyle) {\n this.destroyComponents();\n this.template = this.optionsNorm.template;\n this.templateNgStyle = this.optionsNorm.templateNgStyle;\n this.createBusy();\n this.busyEmitter.emit(this.isLoading);\n }\n }\n /**\n * @private\n * @param {?} options\n * @return {?}\n */\n normalizeOptions(options) {\n if (!options) {\n options = { busy: [] };\n }\n else if (Array.isArray(options)\n || isPromise(options)\n || options instanceof Subscription) {\n options = { busy: options };\n }\n options = Object.assign({}, this.configHolder.config, options);\n if (!Array.isArray(options.busy)) {\n options.busy = [options.busy];\n }\n return options;\n }\n /**\n * @private\n * @return {?}\n */\n destroyComponents() {\n if (this.busyRef) {\n this.busyRef.destroy();\n }\n if (this.componentViewRef) {\n this.appRef.detachView(this.componentViewRef);\n }\n }\n /**\n * @private\n * @return {?}\n */\n createBusy() {\n /** @type {?} */\n const factory = this.resolver.resolveComponentFactory(NgBusyComponent);\n /** @type {?} */\n const injector = Injector.create({\n providers: [\n {\n provide: 'instanceConfigHolder',\n useValue: this.instanceConfigHolder\n },\n {\n provide: 'busyEmitter',\n useValue: this.busyEmitter\n }\n ], parent: this.injector\n });\n this.template = this.optionsNorm.template;\n this.busyRef = this.vcr.createComponent(factory, 0, injector, this.generateNgContent(injector));\n }\n /**\n * @private\n * @param {?} injector\n * @return {?}\n */\n generateNgContent(injector) {\n if (typeof this.template === 'string') {\n /** @type {?} */\n const element = this.renderer.createText(this.template);\n return [[element]];\n }\n if (this.template instanceof TemplateRef) {\n /** @type {?} */\n const context = {};\n /** @type {?} */\n const viewRef = this.template.createEmbeddedView(context);\n return [viewRef.rootNodes];\n }\n /** @type {?} */\n const factory = this.resolver.resolveComponentFactory(this.template);\n /** @type {?} */\n const componentRef = factory.create(injector);\n componentRef.instance.templateNgStyle = this.options.templateNgStyle;\n this.componentViewRef = componentRef.hostView;\n this.appRef.attachView(this.componentViewRef);\n return [[componentRef.location.nativeElement]];\n }\n}\nNgBusyDirective.decorators = [\n { type: Directive, args: [{\n selector: '[ngBusy]',\n providers: [BusyTrackerService, InstanceConfigHolderService]\n },] }\n];\n/** @nocollapse */\nNgBusyDirective.ctorParameters = () => [\n { type: BusyConfigHolderService },\n { type: InstanceConfigHolderService },\n { type: ComponentFactoryResolver },\n { type: BusyTrackerService },\n { type: ApplicationRef },\n { type: ViewContainerRef },\n { type: ElementRef },\n { type: Renderer2 },\n { type: Injector }\n];\nNgBusyDirective.propDecorators = {\n options: [{ type: Input, args: ['ngBusy',] }],\n busyStart: [{ type: Output }],\n busyStop: [{ type: Output }]\n};\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\nclass NgBusyModule {\n /**\n * @param {?} config\n * @return {?}\n */\n static forRoot(config) {\n return {\n ngModule: NgBusyModule,\n providers: [\n { provide: BusyConfig, useValue: config }\n ]\n };\n }\n}\nNgBusyModule.decorators = [\n { type: NgModule, args: [{\n imports: [CommonModule],\n declarations: [DefaultBusyComponent, NgBusyDirective, NgBusyComponent],\n providers: [BusyConfigHolderService, BusyTrackerService],\n exports: [NgBusyDirective],\n entryComponents: [DefaultBusyComponent, NgBusyComponent]\n },] }\n];\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\nexport { BUSY_CONFIG_DEFAULTS, BusyConfig, DefaultBusyComponent, InstanceConfigHolderService, NgBusyDirective, NgBusyModule, BusyTrackerService as ɵa, BusyConfigHolderService as ɵb, NgBusyComponent as ɵc };\n//# sourceMappingURL=ng-busy.js.map\n","function _typeof(obj) {\n if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n _typeof = function (obj) {\n return typeof obj;\n };\n } else {\n _typeof = function (obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n };\n }\n\n return _typeof(obj);\n}\n\nfunction _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\n\nfunction _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n}\n\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n return Constructor;\n}\n\nfunction _defineProperty(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n}\n\nfunction _objectSpread(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i] != null ? arguments[i] : {};\n var ownKeys = Object.keys(source);\n\n if (typeof Object.getOwnPropertySymbols === 'function') {\n ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {\n return Object.getOwnPropertyDescriptor(source, sym).enumerable;\n }));\n }\n\n ownKeys.forEach(function (key) {\n _defineProperty(target, key, source[key]);\n });\n }\n\n return target;\n}\n\nfunction _slicedToArray(arr, i) {\n return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();\n}\n\nfunction _toConsumableArray(arr) {\n return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();\n}\n\nfunction _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) {\n for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];\n\n return arr2;\n }\n}\n\nfunction _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}\n\nfunction _iterableToArray(iter) {\n if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter);\n}\n\nfunction _iterableToArrayLimit(arr, i) {\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n}\n\nfunction _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n\nfunction _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n}\n\nvar noop = function noop() {};\n\nvar _WINDOW = {};\nvar _DOCUMENT = {};\nvar _MUTATION_OBSERVER = null;\nvar _PERFORMANCE = {\n mark: noop,\n measure: noop\n};\n\ntry {\n if (typeof window !== 'undefined') _WINDOW = window;\n if (typeof document !== 'undefined') _DOCUMENT = document;\n if (typeof MutationObserver !== 'undefined') _MUTATION_OBSERVER = MutationObserver;\n if (typeof performance !== 'undefined') _PERFORMANCE = performance;\n} catch (e) {}\n\nvar _ref = _WINDOW.navigator || {},\n _ref$userAgent = _ref.userAgent,\n userAgent = _ref$userAgent === void 0 ? '' : _ref$userAgent;\n\nvar WINDOW = _WINDOW;\nvar DOCUMENT = _DOCUMENT;\nvar MUTATION_OBSERVER = _MUTATION_OBSERVER;\nvar PERFORMANCE = _PERFORMANCE;\nvar IS_BROWSER = !!WINDOW.document;\nvar IS_DOM = !!DOCUMENT.documentElement && !!DOCUMENT.head && typeof DOCUMENT.addEventListener === 'function' && typeof DOCUMENT.createElement === 'function';\nvar IS_IE = ~userAgent.indexOf('MSIE') || ~userAgent.indexOf('Trident/');\n\nvar NAMESPACE_IDENTIFIER = '___FONT_AWESOME___';\nvar UNITS_IN_GRID = 16;\nvar DEFAULT_FAMILY_PREFIX = 'fa';\nvar DEFAULT_REPLACEMENT_CLASS = 'svg-inline--fa';\nvar DATA_FA_I2SVG = 'data-fa-i2svg';\nvar DATA_FA_PSEUDO_ELEMENT = 'data-fa-pseudo-element';\nvar DATA_FA_PSEUDO_ELEMENT_PENDING = 'data-fa-pseudo-element-pending';\nvar DATA_PREFIX = 'data-prefix';\nvar DATA_ICON = 'data-icon';\nvar HTML_CLASS_I2SVG_BASE_CLASS = 'fontawesome-i2svg';\nvar MUTATION_APPROACH_ASYNC = 'async';\nvar TAGNAMES_TO_SKIP_FOR_PSEUDOELEMENTS = ['HTML', 'HEAD', 'STYLE', 'SCRIPT'];\nvar PRODUCTION = function () {\n try {\n return process.env.NODE_ENV === 'production';\n } catch (e) {\n return false;\n }\n}();\nvar PREFIX_TO_STYLE = {\n 'fas': 'solid',\n 'far': 'regular',\n 'fal': 'light',\n 'fad': 'duotone',\n 'fab': 'brands',\n 'fa': 'solid'\n};\nvar STYLE_TO_PREFIX = {\n 'solid': 'fas',\n 'regular': 'far',\n 'light': 'fal',\n 'duotone': 'fad',\n 'brands': 'fab'\n};\nvar LAYERS_TEXT_CLASSNAME = 'fa-layers-text';\nvar FONT_FAMILY_PATTERN = /Font Awesome 5 (Solid|Regular|Light|Duotone|Brands|Free|Pro)/;\nvar FONT_WEIGHT_TO_PREFIX = {\n '900': 'fas',\n '400': 'far',\n 'normal': 'far',\n '300': 'fal'\n};\nvar oneToTen = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];\nvar oneToTwenty = oneToTen.concat([11, 12, 13, 14, 15, 16, 17, 18, 19, 20]);\nvar ATTRIBUTES_WATCHED_FOR_MUTATION = ['class', 'data-prefix', 'data-icon', 'data-fa-transform', 'data-fa-mask'];\nvar DUOTONE_CLASSES = {\n GROUP: 'group',\n SWAP_OPACITY: 'swap-opacity',\n PRIMARY: 'primary',\n SECONDARY: 'secondary'\n};\nvar RESERVED_CLASSES = ['xs', 'sm', 'lg', 'fw', 'ul', 'li', 'border', 'pull-left', 'pull-right', 'spin', 'pulse', 'rotate-90', 'rotate-180', 'rotate-270', 'flip-horizontal', 'flip-vertical', 'flip-both', 'stack', 'stack-1x', 'stack-2x', 'inverse', 'layers', 'layers-text', 'layers-counter', DUOTONE_CLASSES.GROUP, DUOTONE_CLASSES.SWAP_OPACITY, DUOTONE_CLASSES.PRIMARY, DUOTONE_CLASSES.SECONDARY].concat(oneToTen.map(function (n) {\n return \"\".concat(n, \"x\");\n})).concat(oneToTwenty.map(function (n) {\n return \"w-\".concat(n);\n}));\n\nvar initial = WINDOW.FontAwesomeConfig || {};\n\nfunction getAttrConfig(attr) {\n var element = DOCUMENT.querySelector('script[' + attr + ']');\n\n if (element) {\n return element.getAttribute(attr);\n }\n}\n\nfunction coerce(val) {\n // Getting an empty string will occur if the attribute is set on the HTML tag but without a value\n // We'll assume that this is an indication that it should be toggled to true\n // For example \n if (val === '') return true;\n if (val === 'false') return false;\n if (val === 'true') return true;\n return val;\n}\n\nif (DOCUMENT && typeof DOCUMENT.querySelector === 'function') {\n var attrs = [['data-family-prefix', 'familyPrefix'], ['data-replacement-class', 'replacementClass'], ['data-auto-replace-svg', 'autoReplaceSvg'], ['data-auto-add-css', 'autoAddCss'], ['data-auto-a11y', 'autoA11y'], ['data-search-pseudo-elements', 'searchPseudoElements'], ['data-observe-mutations', 'observeMutations'], ['data-mutate-approach', 'mutateApproach'], ['data-keep-original-source', 'keepOriginalSource'], ['data-measure-performance', 'measurePerformance'], ['data-show-missing-icons', 'showMissingIcons']];\n attrs.forEach(function (_ref) {\n var _ref2 = _slicedToArray(_ref, 2),\n attr = _ref2[0],\n key = _ref2[1];\n\n var val = coerce(getAttrConfig(attr));\n\n if (val !== undefined && val !== null) {\n initial[key] = val;\n }\n });\n}\n\nvar _default = {\n familyPrefix: DEFAULT_FAMILY_PREFIX,\n replacementClass: DEFAULT_REPLACEMENT_CLASS,\n autoReplaceSvg: true,\n autoAddCss: true,\n autoA11y: true,\n searchPseudoElements: false,\n observeMutations: true,\n mutateApproach: 'async',\n keepOriginalSource: true,\n measurePerformance: false,\n showMissingIcons: true\n};\n\nvar _config = _objectSpread({}, _default, initial);\n\nif (!_config.autoReplaceSvg) _config.observeMutations = false;\n\nvar config = _objectSpread({}, _config);\n\nWINDOW.FontAwesomeConfig = config;\n\nvar w = WINDOW || {};\nif (!w[NAMESPACE_IDENTIFIER]) w[NAMESPACE_IDENTIFIER] = {};\nif (!w[NAMESPACE_IDENTIFIER].styles) w[NAMESPACE_IDENTIFIER].styles = {};\nif (!w[NAMESPACE_IDENTIFIER].hooks) w[NAMESPACE_IDENTIFIER].hooks = {};\nif (!w[NAMESPACE_IDENTIFIER].shims) w[NAMESPACE_IDENTIFIER].shims = [];\nvar namespace = w[NAMESPACE_IDENTIFIER];\n\nvar functions = [];\n\nvar listener = function listener() {\n DOCUMENT.removeEventListener('DOMContentLoaded', listener);\n loaded = 1;\n functions.map(function (fn) {\n return fn();\n });\n};\n\nvar loaded = false;\n\nif (IS_DOM) {\n loaded = (DOCUMENT.documentElement.doScroll ? /^loaded|^c/ : /^loaded|^i|^c/).test(DOCUMENT.readyState);\n if (!loaded) DOCUMENT.addEventListener('DOMContentLoaded', listener);\n}\n\nfunction domready (fn) {\n if (!IS_DOM) return;\n loaded ? setTimeout(fn, 0) : functions.push(fn);\n}\n\nvar PENDING = 'pending';\nvar SETTLED = 'settled';\nvar FULFILLED = 'fulfilled';\nvar REJECTED = 'rejected';\n\nvar NOOP = function NOOP() {};\n\nvar isNode = typeof global !== 'undefined' && typeof global.process !== 'undefined' && typeof global.process.emit === 'function';\nvar asyncSetTimer = typeof setImmediate === 'undefined' ? setTimeout : setImmediate;\nvar asyncQueue = [];\nvar asyncTimer;\n\nfunction asyncFlush() {\n // run promise callbacks\n for (var i = 0; i < asyncQueue.length; i++) {\n asyncQueue[i][0](asyncQueue[i][1]);\n } // reset async asyncQueue\n\n\n asyncQueue = [];\n asyncTimer = false;\n}\n\nfunction asyncCall(callback, arg) {\n asyncQueue.push([callback, arg]);\n\n if (!asyncTimer) {\n asyncTimer = true;\n asyncSetTimer(asyncFlush, 0);\n }\n}\n\nfunction invokeResolver(resolver, promise) {\n function resolvePromise(value) {\n resolve(promise, value);\n }\n\n function rejectPromise(reason) {\n reject(promise, reason);\n }\n\n try {\n resolver(resolvePromise, rejectPromise);\n } catch (e) {\n rejectPromise(e);\n }\n}\n\nfunction invokeCallback(subscriber) {\n var owner = subscriber.owner;\n var settled = owner._state;\n var value = owner._data;\n var callback = subscriber[settled];\n var promise = subscriber.then;\n\n if (typeof callback === 'function') {\n settled = FULFILLED;\n\n try {\n value = callback(value);\n } catch (e) {\n reject(promise, e);\n }\n }\n\n if (!handleThenable(promise, value)) {\n if (settled === FULFILLED) {\n resolve(promise, value);\n }\n\n if (settled === REJECTED) {\n reject(promise, value);\n }\n }\n}\n\nfunction handleThenable(promise, value) {\n var resolved;\n\n try {\n if (promise === value) {\n throw new TypeError('A promises callback cannot return that same promise.');\n }\n\n if (value && (typeof value === 'function' || _typeof(value) === 'object')) {\n // then should be retrieved only once\n var then = value.then;\n\n if (typeof then === 'function') {\n then.call(value, function (val) {\n if (!resolved) {\n resolved = true;\n\n if (value === val) {\n fulfill(promise, val);\n } else {\n resolve(promise, val);\n }\n }\n }, function (reason) {\n if (!resolved) {\n resolved = true;\n reject(promise, reason);\n }\n });\n return true;\n }\n }\n } catch (e) {\n if (!resolved) {\n reject(promise, e);\n }\n\n return true;\n }\n\n return false;\n}\n\nfunction resolve(promise, value) {\n if (promise === value || !handleThenable(promise, value)) {\n fulfill(promise, value);\n }\n}\n\nfunction fulfill(promise, value) {\n if (promise._state === PENDING) {\n promise._state = SETTLED;\n promise._data = value;\n asyncCall(publishFulfillment, promise);\n }\n}\n\nfunction reject(promise, reason) {\n if (promise._state === PENDING) {\n promise._state = SETTLED;\n promise._data = reason;\n asyncCall(publishRejection, promise);\n }\n}\n\nfunction publish(promise) {\n promise._then = promise._then.forEach(invokeCallback);\n}\n\nfunction publishFulfillment(promise) {\n promise._state = FULFILLED;\n publish(promise);\n}\n\nfunction publishRejection(promise) {\n promise._state = REJECTED;\n publish(promise);\n\n if (!promise._handled && isNode) {\n global.process.emit('unhandledRejection', promise._data, promise);\n }\n}\n\nfunction notifyRejectionHandled(promise) {\n global.process.emit('rejectionHandled', promise);\n}\n/**\n * @class\n */\n\n\nfunction P(resolver) {\n if (typeof resolver !== 'function') {\n throw new TypeError('Promise resolver ' + resolver + ' is not a function');\n }\n\n if (this instanceof P === false) {\n throw new TypeError('Failed to construct \\'Promise\\': Please use the \\'new\\' operator, this object constructor cannot be called as a function.');\n }\n\n this._then = [];\n invokeResolver(resolver, this);\n}\n\nP.prototype = {\n constructor: P,\n _state: PENDING,\n _then: null,\n _data: undefined,\n _handled: false,\n then: function then(onFulfillment, onRejection) {\n var subscriber = {\n owner: this,\n then: new this.constructor(NOOP),\n fulfilled: onFulfillment,\n rejected: onRejection\n };\n\n if ((onRejection || onFulfillment) && !this._handled) {\n this._handled = true;\n\n if (this._state === REJECTED && isNode) {\n asyncCall(notifyRejectionHandled, this);\n }\n }\n\n if (this._state === FULFILLED || this._state === REJECTED) {\n // already resolved, call callback async\n asyncCall(invokeCallback, subscriber);\n } else {\n // subscribe\n this._then.push(subscriber);\n }\n\n return subscriber.then;\n },\n catch: function _catch(onRejection) {\n return this.then(null, onRejection);\n }\n};\n\nP.all = function (promises) {\n if (!Array.isArray(promises)) {\n throw new TypeError('You must pass an array to Promise.all().');\n }\n\n return new P(function (resolve, reject) {\n var results = [];\n var remaining = 0;\n\n function resolver(index) {\n remaining++;\n return function (value) {\n results[index] = value;\n\n if (! --remaining) {\n resolve(results);\n }\n };\n }\n\n for (var i = 0, promise; i < promises.length; i++) {\n promise = promises[i];\n\n if (promise && typeof promise.then === 'function') {\n promise.then(resolver(i), reject);\n } else {\n results[i] = promise;\n }\n }\n\n if (!remaining) {\n resolve(results);\n }\n });\n};\n\nP.race = function (promises) {\n if (!Array.isArray(promises)) {\n throw new TypeError('You must pass an array to Promise.race().');\n }\n\n return new P(function (resolve, reject) {\n for (var i = 0, promise; i < promises.length; i++) {\n promise = promises[i];\n\n if (promise && typeof promise.then === 'function') {\n promise.then(resolve, reject);\n } else {\n resolve(promise);\n }\n }\n });\n};\n\nP.resolve = function (value) {\n if (value && _typeof(value) === 'object' && value.constructor === P) {\n return value;\n }\n\n return new P(function (resolve) {\n resolve(value);\n });\n};\n\nP.reject = function (reason) {\n return new P(function (resolve, reject) {\n reject(reason);\n });\n};\n\nvar picked = typeof Promise === 'function' ? Promise : P;\n\nvar d = UNITS_IN_GRID;\nvar meaninglessTransform = {\n size: 16,\n x: 0,\n y: 0,\n rotate: 0,\n flipX: false,\n flipY: false\n};\n\nfunction isReserved(name) {\n return ~RESERVED_CLASSES.indexOf(name);\n}\nfunction insertCss(css) {\n if (!css || !IS_DOM) {\n return;\n }\n\n var style = DOCUMENT.createElement('style');\n style.setAttribute('type', 'text/css');\n style.innerHTML = css;\n var headChildren = DOCUMENT.head.childNodes;\n var beforeChild = null;\n\n for (var i = headChildren.length - 1; i > -1; i--) {\n var child = headChildren[i];\n var tagName = (child.tagName || '').toUpperCase();\n\n if (['STYLE', 'LINK'].indexOf(tagName) > -1) {\n beforeChild = child;\n }\n }\n\n DOCUMENT.head.insertBefore(style, beforeChild);\n return css;\n}\nvar idPool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';\nfunction nextUniqueId() {\n var size = 12;\n var id = '';\n\n while (size-- > 0) {\n id += idPool[Math.random() * 62 | 0];\n }\n\n return id;\n}\nfunction toArray(obj) {\n var array = [];\n\n for (var i = (obj || []).length >>> 0; i--;) {\n array[i] = obj[i];\n }\n\n return array;\n}\nfunction classArray(node) {\n if (node.classList) {\n return toArray(node.classList);\n } else {\n return (node.getAttribute('class') || '').split(' ').filter(function (i) {\n return i;\n });\n }\n}\nfunction getIconName(familyPrefix, cls) {\n var parts = cls.split('-');\n var prefix = parts[0];\n var iconName = parts.slice(1).join('-');\n\n if (prefix === familyPrefix && iconName !== '' && !isReserved(iconName)) {\n return iconName;\n } else {\n return null;\n }\n}\nfunction htmlEscape(str) {\n return \"\".concat(str).replace(/&/g, '&').replace(/\"/g, '"').replace(/'/g, ''').replace(//g, '>');\n}\nfunction joinAttributes(attributes) {\n return Object.keys(attributes || {}).reduce(function (acc, attributeName) {\n return acc + \"\".concat(attributeName, \"=\\\"\").concat(htmlEscape(attributes[attributeName]), \"\\\" \");\n }, '').trim();\n}\nfunction joinStyles(styles) {\n return Object.keys(styles || {}).reduce(function (acc, styleName) {\n return acc + \"\".concat(styleName, \": \").concat(styles[styleName], \";\");\n }, '');\n}\nfunction transformIsMeaningful(transform) {\n return transform.size !== meaninglessTransform.size || transform.x !== meaninglessTransform.x || transform.y !== meaninglessTransform.y || transform.rotate !== meaninglessTransform.rotate || transform.flipX || transform.flipY;\n}\nfunction transformForSvg(_ref) {\n var transform = _ref.transform,\n containerWidth = _ref.containerWidth,\n iconWidth = _ref.iconWidth;\n var outer = {\n transform: \"translate(\".concat(containerWidth / 2, \" 256)\")\n };\n var innerTranslate = \"translate(\".concat(transform.x * 32, \", \").concat(transform.y * 32, \") \");\n var innerScale = \"scale(\".concat(transform.size / 16 * (transform.flipX ? -1 : 1), \", \").concat(transform.size / 16 * (transform.flipY ? -1 : 1), \") \");\n var innerRotate = \"rotate(\".concat(transform.rotate, \" 0 0)\");\n var inner = {\n transform: \"\".concat(innerTranslate, \" \").concat(innerScale, \" \").concat(innerRotate)\n };\n var path = {\n transform: \"translate(\".concat(iconWidth / 2 * -1, \" -256)\")\n };\n return {\n outer: outer,\n inner: inner,\n path: path\n };\n}\nfunction transformForCss(_ref2) {\n var transform = _ref2.transform,\n _ref2$width = _ref2.width,\n width = _ref2$width === void 0 ? UNITS_IN_GRID : _ref2$width,\n _ref2$height = _ref2.height,\n height = _ref2$height === void 0 ? UNITS_IN_GRID : _ref2$height,\n _ref2$startCentered = _ref2.startCentered,\n startCentered = _ref2$startCentered === void 0 ? false : _ref2$startCentered;\n var val = '';\n\n if (startCentered && IS_IE) {\n val += \"translate(\".concat(transform.x / d - width / 2, \"em, \").concat(transform.y / d - height / 2, \"em) \");\n } else if (startCentered) {\n val += \"translate(calc(-50% + \".concat(transform.x / d, \"em), calc(-50% + \").concat(transform.y / d, \"em)) \");\n } else {\n val += \"translate(\".concat(transform.x / d, \"em, \").concat(transform.y / d, \"em) \");\n }\n\n val += \"scale(\".concat(transform.size / d * (transform.flipX ? -1 : 1), \", \").concat(transform.size / d * (transform.flipY ? -1 : 1), \") \");\n val += \"rotate(\".concat(transform.rotate, \"deg) \");\n return val;\n}\n\nvar ALL_SPACE = {\n x: 0,\n y: 0,\n width: '100%',\n height: '100%'\n};\n\nfunction fillBlack(abstract) {\n var force = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;\n\n if (abstract.attributes && (abstract.attributes.fill || force)) {\n abstract.attributes.fill = 'black';\n }\n\n return abstract;\n}\n\nfunction deGroup(abstract) {\n if (abstract.tag === 'g') {\n return abstract.children;\n } else {\n return [abstract];\n }\n}\n\nfunction makeIconMasking (_ref) {\n var children = _ref.children,\n attributes = _ref.attributes,\n main = _ref.main,\n mask = _ref.mask,\n transform = _ref.transform;\n var mainWidth = main.width,\n mainPath = main.icon;\n var maskWidth = mask.width,\n maskPath = mask.icon;\n var trans = transformForSvg({\n transform: transform,\n containerWidth: maskWidth,\n iconWidth: mainWidth\n });\n var maskRect = {\n tag: 'rect',\n attributes: _objectSpread({}, ALL_SPACE, {\n fill: 'white'\n })\n };\n var maskInnerGroupChildrenMixin = mainPath.children ? {\n children: mainPath.children.map(fillBlack)\n } : {};\n var maskInnerGroup = {\n tag: 'g',\n attributes: _objectSpread({}, trans.inner),\n children: [fillBlack(_objectSpread({\n tag: mainPath.tag,\n attributes: _objectSpread({}, mainPath.attributes, trans.path)\n }, maskInnerGroupChildrenMixin))]\n };\n var maskOuterGroup = {\n tag: 'g',\n attributes: _objectSpread({}, trans.outer),\n children: [maskInnerGroup]\n };\n var maskId = \"mask-\".concat(nextUniqueId());\n var clipId = \"clip-\".concat(nextUniqueId());\n var maskTag = {\n tag: 'mask',\n attributes: _objectSpread({}, ALL_SPACE, {\n id: maskId,\n maskUnits: 'userSpaceOnUse',\n maskContentUnits: 'userSpaceOnUse'\n }),\n children: [maskRect, maskOuterGroup]\n };\n var defs = {\n tag: 'defs',\n children: [{\n tag: 'clipPath',\n attributes: {\n id: clipId\n },\n children: deGroup(maskPath)\n }, maskTag]\n };\n children.push(defs, {\n tag: 'rect',\n attributes: _objectSpread({\n fill: 'currentColor',\n 'clip-path': \"url(#\".concat(clipId, \")\"),\n mask: \"url(#\".concat(maskId, \")\")\n }, ALL_SPACE)\n });\n return {\n children: children,\n attributes: attributes\n };\n}\n\nfunction makeIconStandard (_ref) {\n var children = _ref.children,\n attributes = _ref.attributes,\n main = _ref.main,\n transform = _ref.transform,\n styles = _ref.styles;\n var styleString = joinStyles(styles);\n\n if (styleString.length > 0) {\n attributes['style'] = styleString;\n }\n\n if (transformIsMeaningful(transform)) {\n var trans = transformForSvg({\n transform: transform,\n containerWidth: main.width,\n iconWidth: main.width\n });\n children.push({\n tag: 'g',\n attributes: _objectSpread({}, trans.outer),\n children: [{\n tag: 'g',\n attributes: _objectSpread({}, trans.inner),\n children: [{\n tag: main.icon.tag,\n children: main.icon.children,\n attributes: _objectSpread({}, main.icon.attributes, trans.path)\n }]\n }]\n });\n } else {\n children.push(main.icon);\n }\n\n return {\n children: children,\n attributes: attributes\n };\n}\n\nfunction asIcon (_ref) {\n var children = _ref.children,\n main = _ref.main,\n mask = _ref.mask,\n attributes = _ref.attributes,\n styles = _ref.styles,\n transform = _ref.transform;\n\n if (transformIsMeaningful(transform) && main.found && !mask.found) {\n var width = main.width,\n height = main.height;\n var offset = {\n x: width / height / 2,\n y: 0.5\n };\n attributes['style'] = joinStyles(_objectSpread({}, styles, {\n 'transform-origin': \"\".concat(offset.x + transform.x / 16, \"em \").concat(offset.y + transform.y / 16, \"em\")\n }));\n }\n\n return [{\n tag: 'svg',\n attributes: attributes,\n children: children\n }];\n}\n\nfunction asSymbol (_ref) {\n var prefix = _ref.prefix,\n iconName = _ref.iconName,\n children = _ref.children,\n attributes = _ref.attributes,\n symbol = _ref.symbol;\n var id = symbol === true ? \"\".concat(prefix, \"-\").concat(config.familyPrefix, \"-\").concat(iconName) : symbol;\n return [{\n tag: 'svg',\n attributes: {\n style: 'display: none;'\n },\n children: [{\n tag: 'symbol',\n attributes: _objectSpread({}, attributes, {\n id: id\n }),\n children: children\n }]\n }];\n}\n\nfunction makeInlineSvgAbstract(params) {\n var _params$icons = params.icons,\n main = _params$icons.main,\n mask = _params$icons.mask,\n prefix = params.prefix,\n iconName = params.iconName,\n transform = params.transform,\n symbol = params.symbol,\n title = params.title,\n extra = params.extra,\n _params$watchable = params.watchable,\n watchable = _params$watchable === void 0 ? false : _params$watchable;\n\n var _ref = mask.found ? mask : main,\n width = _ref.width,\n height = _ref.height;\n\n var widthClass = \"fa-w-\".concat(Math.ceil(width / height * 16));\n var attrClass = [config.replacementClass, iconName ? \"\".concat(config.familyPrefix, \"-\").concat(iconName) : '', widthClass].filter(function (c) {\n return extra.classes.indexOf(c) === -1;\n }).concat(extra.classes).join(' ');\n var content = {\n children: [],\n attributes: _objectSpread({}, extra.attributes, {\n 'data-prefix': prefix,\n 'data-icon': iconName,\n 'class': attrClass,\n 'role': extra.attributes.role || 'img',\n 'xmlns': 'http://www.w3.org/2000/svg',\n 'viewBox': \"0 0 \".concat(width, \" \").concat(height)\n })\n };\n\n if (watchable) {\n content.attributes[DATA_FA_I2SVG] = '';\n }\n\n if (title) content.children.push({\n tag: 'title',\n attributes: {\n id: content.attributes['aria-labelledby'] || \"title-\".concat(nextUniqueId())\n },\n children: [title]\n });\n\n var args = _objectSpread({}, content, {\n prefix: prefix,\n iconName: iconName,\n main: main,\n mask: mask,\n transform: transform,\n symbol: symbol,\n styles: extra.styles\n });\n\n var _ref2 = mask.found && main.found ? makeIconMasking(args) : makeIconStandard(args),\n children = _ref2.children,\n attributes = _ref2.attributes;\n\n args.children = children;\n args.attributes = attributes;\n\n if (symbol) {\n return asSymbol(args);\n } else {\n return asIcon(args);\n }\n}\nfunction makeLayersTextAbstract(params) {\n var content = params.content,\n width = params.width,\n height = params.height,\n transform = params.transform,\n title = params.title,\n extra = params.extra,\n _params$watchable2 = params.watchable,\n watchable = _params$watchable2 === void 0 ? false : _params$watchable2;\n\n var attributes = _objectSpread({}, extra.attributes, title ? {\n 'title': title\n } : {}, {\n 'class': extra.classes.join(' ')\n });\n\n if (watchable) {\n attributes[DATA_FA_I2SVG] = '';\n }\n\n var styles = _objectSpread({}, extra.styles);\n\n if (transformIsMeaningful(transform)) {\n styles['transform'] = transformForCss({\n transform: transform,\n startCentered: true,\n width: width,\n height: height\n });\n styles['-webkit-transform'] = styles['transform'];\n }\n\n var styleString = joinStyles(styles);\n\n if (styleString.length > 0) {\n attributes['style'] = styleString;\n }\n\n var val = [];\n val.push({\n tag: 'span',\n attributes: attributes,\n children: [content]\n });\n\n if (title) {\n val.push({\n tag: 'span',\n attributes: {\n class: 'sr-only'\n },\n children: [title]\n });\n }\n\n return val;\n}\nfunction makeLayersCounterAbstract(params) {\n var content = params.content,\n title = params.title,\n extra = params.extra;\n\n var attributes = _objectSpread({}, extra.attributes, title ? {\n 'title': title\n } : {}, {\n 'class': extra.classes.join(' ')\n });\n\n var styleString = joinStyles(extra.styles);\n\n if (styleString.length > 0) {\n attributes['style'] = styleString;\n }\n\n var val = [];\n val.push({\n tag: 'span',\n attributes: attributes,\n children: [content]\n });\n\n if (title) {\n val.push({\n tag: 'span',\n attributes: {\n class: 'sr-only'\n },\n children: [title]\n });\n }\n\n return val;\n}\n\nvar noop$1 = function noop() {};\n\nvar p = config.measurePerformance && PERFORMANCE && PERFORMANCE.mark && PERFORMANCE.measure ? PERFORMANCE : {\n mark: noop$1,\n measure: noop$1\n};\nvar preamble = \"FA \\\"5.12.0\\\"\";\n\nvar begin = function begin(name) {\n p.mark(\"\".concat(preamble, \" \").concat(name, \" begins\"));\n return function () {\n return end(name);\n };\n};\n\nvar end = function end(name) {\n p.mark(\"\".concat(preamble, \" \").concat(name, \" ends\"));\n p.measure(\"\".concat(preamble, \" \").concat(name), \"\".concat(preamble, \" \").concat(name, \" begins\"), \"\".concat(preamble, \" \").concat(name, \" ends\"));\n};\n\nvar perf = {\n begin: begin,\n end: end\n};\n\n/**\n * Internal helper to bind a function known to have 4 arguments\n * to a given context.\n */\n\nvar bindInternal4 = function bindInternal4(func, thisContext) {\n return function (a, b, c, d) {\n return func.call(thisContext, a, b, c, d);\n };\n};\n\n/**\n * # Reduce\n *\n * A fast object `.reduce()` implementation.\n *\n * @param {Object} subject The object to reduce over.\n * @param {Function} fn The reducer function.\n * @param {mixed} initialValue The initial value for the reducer, defaults to subject[0].\n * @param {Object} thisContext The context for the reducer.\n * @return {mixed} The final result.\n */\n\n\nvar reduce = function fastReduceObject(subject, fn, initialValue, thisContext) {\n var keys = Object.keys(subject),\n length = keys.length,\n iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,\n i,\n key,\n result;\n\n if (initialValue === undefined) {\n i = 1;\n result = subject[keys[0]];\n } else {\n i = 0;\n result = initialValue;\n }\n\n for (; i < length; i++) {\n key = keys[i];\n result = iterator(result, subject[key], key, subject);\n }\n\n return result;\n};\n\nfunction toHex(unicode) {\n var result = '';\n\n for (var i = 0; i < unicode.length; i++) {\n var hex = unicode.charCodeAt(i).toString(16);\n result += ('000' + hex).slice(-4);\n }\n\n return result;\n}\n\nfunction defineIcons(prefix, icons) {\n var params = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n var _params$skipHooks = params.skipHooks,\n skipHooks = _params$skipHooks === void 0 ? false : _params$skipHooks;\n var normalized = Object.keys(icons).reduce(function (acc, iconName) {\n var icon = icons[iconName];\n var expanded = !!icon.icon;\n\n if (expanded) {\n acc[icon.iconName] = icon.icon;\n } else {\n acc[iconName] = icon;\n }\n\n return acc;\n }, {});\n\n if (typeof namespace.hooks.addPack === 'function' && !skipHooks) {\n namespace.hooks.addPack(prefix, normalized);\n } else {\n namespace.styles[prefix] = _objectSpread({}, namespace.styles[prefix] || {}, normalized);\n }\n /**\n * Font Awesome 4 used the prefix of `fa` for all icons. With the introduction\n * of new styles we needed to differentiate between them. Prefix `fa` is now an alias\n * for `fas` so we'll easy the upgrade process for our users by automatically defining\n * this as well.\n */\n\n\n if (prefix === 'fas') {\n defineIcons('fa', icons);\n }\n}\n\nvar styles = namespace.styles,\n shims = namespace.shims;\nvar _byUnicode = {};\nvar _byLigature = {};\nvar _byOldName = {};\nvar build = function build() {\n var lookup = function lookup(reducer) {\n return reduce(styles, function (o, style, prefix) {\n o[prefix] = reduce(style, reducer, {});\n return o;\n }, {});\n };\n\n _byUnicode = lookup(function (acc, icon, iconName) {\n if (icon[3]) {\n acc[icon[3]] = iconName;\n }\n\n return acc;\n });\n _byLigature = lookup(function (acc, icon, iconName) {\n var ligatures = icon[2];\n acc[iconName] = iconName;\n ligatures.forEach(function (ligature) {\n acc[ligature] = iconName;\n });\n return acc;\n });\n var hasRegular = 'far' in styles;\n _byOldName = reduce(shims, function (acc, shim) {\n var oldName = shim[0];\n var prefix = shim[1];\n var iconName = shim[2];\n\n if (prefix === 'far' && !hasRegular) {\n prefix = 'fas';\n }\n\n acc[oldName] = {\n prefix: prefix,\n iconName: iconName\n };\n return acc;\n }, {});\n};\nbuild();\nfunction byUnicode(prefix, unicode) {\n return (_byUnicode[prefix] || {})[unicode];\n}\nfunction byLigature(prefix, ligature) {\n return (_byLigature[prefix] || {})[ligature];\n}\nfunction byOldName(name) {\n return _byOldName[name] || {\n prefix: null,\n iconName: null\n };\n}\n\nvar styles$1 = namespace.styles;\nvar emptyCanonicalIcon = function emptyCanonicalIcon() {\n return {\n prefix: null,\n iconName: null,\n rest: []\n };\n};\nfunction getCanonicalIcon(values) {\n return values.reduce(function (acc, cls) {\n var iconName = getIconName(config.familyPrefix, cls);\n\n if (styles$1[cls]) {\n acc.prefix = cls;\n } else if (config.autoFetchSvg && ['fas', 'far', 'fal', 'fad', 'fab', 'fa'].indexOf(cls) > -1) {\n acc.prefix = cls;\n } else if (iconName) {\n var shim = acc.prefix === 'fa' ? byOldName(iconName) : {};\n acc.iconName = shim.iconName || iconName;\n acc.prefix = shim.prefix || acc.prefix;\n } else if (cls !== config.replacementClass && cls.indexOf('fa-w-') !== 0) {\n acc.rest.push(cls);\n }\n\n return acc;\n }, emptyCanonicalIcon());\n}\nfunction iconFromMapping(mapping, prefix, iconName) {\n if (mapping && mapping[prefix] && mapping[prefix][iconName]) {\n return {\n prefix: prefix,\n iconName: iconName,\n icon: mapping[prefix][iconName]\n };\n }\n}\n\nfunction toHtml(abstractNodes) {\n var tag = abstractNodes.tag,\n _abstractNodes$attrib = abstractNodes.attributes,\n attributes = _abstractNodes$attrib === void 0 ? {} : _abstractNodes$attrib,\n _abstractNodes$childr = abstractNodes.children,\n children = _abstractNodes$childr === void 0 ? [] : _abstractNodes$childr;\n\n if (typeof abstractNodes === 'string') {\n return htmlEscape(abstractNodes);\n } else {\n return \"<\".concat(tag, \" \").concat(joinAttributes(attributes), \">\").concat(children.map(toHtml).join(''), \"\");\n }\n}\n\nvar noop$2 = function noop() {};\n\nfunction isWatched(node) {\n var i2svg = node.getAttribute ? node.getAttribute(DATA_FA_I2SVG) : null;\n return typeof i2svg === 'string';\n}\n\nfunction getMutator() {\n if (config.autoReplaceSvg === true) {\n return mutators.replace;\n }\n\n var mutator = mutators[config.autoReplaceSvg];\n return mutator || mutators.replace;\n}\n\nvar mutators = {\n replace: function replace(mutation) {\n var node = mutation[0];\n var abstract = mutation[1];\n var newOuterHTML = abstract.map(function (a) {\n return toHtml(a);\n }).join('\\n');\n\n if (node.parentNode && node.outerHTML) {\n node.outerHTML = newOuterHTML + (config.keepOriginalSource && node.tagName.toLowerCase() !== 'svg' ? \"\") : '');\n } else if (node.parentNode) {\n var newNode = document.createElement('span');\n node.parentNode.replaceChild(newNode, node);\n newNode.outerHTML = newOuterHTML;\n }\n },\n nest: function nest(mutation) {\n var node = mutation[0];\n var abstract = mutation[1]; // If we already have a replaced node we do not want to continue nesting within it.\n // Short-circuit to the standard replacement\n\n if (~classArray(node).indexOf(config.replacementClass)) {\n return mutators.replace(mutation);\n }\n\n var forSvg = new RegExp(\"\".concat(config.familyPrefix, \"-.*\"));\n delete abstract[0].attributes.style;\n delete abstract[0].attributes.id;\n var splitClasses = abstract[0].attributes.class.split(' ').reduce(function (acc, cls) {\n if (cls === config.replacementClass || cls.match(forSvg)) {\n acc.toSvg.push(cls);\n } else {\n acc.toNode.push(cls);\n }\n\n return acc;\n }, {\n toNode: [],\n toSvg: []\n });\n abstract[0].attributes.class = splitClasses.toSvg.join(' ');\n var newInnerHTML = abstract.map(function (a) {\n return toHtml(a);\n }).join('\\n');\n node.setAttribute('class', splitClasses.toNode.join(' '));\n node.setAttribute(DATA_FA_I2SVG, '');\n node.innerHTML = newInnerHTML;\n }\n};\n\nfunction performOperationSync(op) {\n op();\n}\n\nfunction perform(mutations, callback) {\n var callbackFunction = typeof callback === 'function' ? callback : noop$2;\n\n if (mutations.length === 0) {\n callbackFunction();\n } else {\n var frame = performOperationSync;\n\n if (config.mutateApproach === MUTATION_APPROACH_ASYNC) {\n frame = WINDOW.requestAnimationFrame || performOperationSync;\n }\n\n frame(function () {\n var mutator = getMutator();\n var mark = perf.begin('mutate');\n mutations.map(mutator);\n mark();\n callbackFunction();\n });\n }\n}\nvar disabled = false;\nfunction disableObservation() {\n disabled = true;\n}\nfunction enableObservation() {\n disabled = false;\n}\nvar mo = null;\nfunction observe(options) {\n if (!MUTATION_OBSERVER) {\n return;\n }\n\n if (!config.observeMutations) {\n return;\n }\n\n var treeCallback = options.treeCallback,\n nodeCallback = options.nodeCallback,\n pseudoElementsCallback = options.pseudoElementsCallback,\n _options$observeMutat = options.observeMutationsRoot,\n observeMutationsRoot = _options$observeMutat === void 0 ? DOCUMENT : _options$observeMutat;\n mo = new MUTATION_OBSERVER(function (objects) {\n if (disabled) return;\n toArray(objects).forEach(function (mutationRecord) {\n if (mutationRecord.type === 'childList' && mutationRecord.addedNodes.length > 0 && !isWatched(mutationRecord.addedNodes[0])) {\n if (config.searchPseudoElements) {\n pseudoElementsCallback(mutationRecord.target);\n }\n\n treeCallback(mutationRecord.target);\n }\n\n if (mutationRecord.type === 'attributes' && mutationRecord.target.parentNode && config.searchPseudoElements) {\n pseudoElementsCallback(mutationRecord.target.parentNode);\n }\n\n if (mutationRecord.type === 'attributes' && isWatched(mutationRecord.target) && ~ATTRIBUTES_WATCHED_FOR_MUTATION.indexOf(mutationRecord.attributeName)) {\n if (mutationRecord.attributeName === 'class') {\n var _getCanonicalIcon = getCanonicalIcon(classArray(mutationRecord.target)),\n prefix = _getCanonicalIcon.prefix,\n iconName = _getCanonicalIcon.iconName;\n\n if (prefix) mutationRecord.target.setAttribute('data-prefix', prefix);\n if (iconName) mutationRecord.target.setAttribute('data-icon', iconName);\n } else {\n nodeCallback(mutationRecord.target);\n }\n }\n });\n });\n if (!IS_DOM) return;\n mo.observe(observeMutationsRoot, {\n childList: true,\n attributes: true,\n characterData: true,\n subtree: true\n });\n}\nfunction disconnect() {\n if (!mo) return;\n mo.disconnect();\n}\n\nfunction styleParser (node) {\n var style = node.getAttribute('style');\n var val = [];\n\n if (style) {\n val = style.split(';').reduce(function (acc, style) {\n var styles = style.split(':');\n var prop = styles[0];\n var value = styles.slice(1);\n\n if (prop && value.length > 0) {\n acc[prop] = value.join(':').trim();\n }\n\n return acc;\n }, {});\n }\n\n return val;\n}\n\nfunction classParser (node) {\n var existingPrefix = node.getAttribute('data-prefix');\n var existingIconName = node.getAttribute('data-icon');\n var innerText = node.innerText !== undefined ? node.innerText.trim() : '';\n var val = getCanonicalIcon(classArray(node));\n\n if (existingPrefix && existingIconName) {\n val.prefix = existingPrefix;\n val.iconName = existingIconName;\n }\n\n if (val.prefix && innerText.length > 1) {\n val.iconName = byLigature(val.prefix, node.innerText);\n } else if (val.prefix && innerText.length === 1) {\n val.iconName = byUnicode(val.prefix, toHex(node.innerText));\n }\n\n return val;\n}\n\nvar parseTransformString = function parseTransformString(transformString) {\n var transform = {\n size: 16,\n x: 0,\n y: 0,\n flipX: false,\n flipY: false,\n rotate: 0\n };\n\n if (!transformString) {\n return transform;\n } else {\n return transformString.toLowerCase().split(' ').reduce(function (acc, n) {\n var parts = n.toLowerCase().split('-');\n var first = parts[0];\n var rest = parts.slice(1).join('-');\n\n if (first && rest === 'h') {\n acc.flipX = true;\n return acc;\n }\n\n if (first && rest === 'v') {\n acc.flipY = true;\n return acc;\n }\n\n rest = parseFloat(rest);\n\n if (isNaN(rest)) {\n return acc;\n }\n\n switch (first) {\n case 'grow':\n acc.size = acc.size + rest;\n break;\n\n case 'shrink':\n acc.size = acc.size - rest;\n break;\n\n case 'left':\n acc.x = acc.x - rest;\n break;\n\n case 'right':\n acc.x = acc.x + rest;\n break;\n\n case 'up':\n acc.y = acc.y - rest;\n break;\n\n case 'down':\n acc.y = acc.y + rest;\n break;\n\n case 'rotate':\n acc.rotate = acc.rotate + rest;\n break;\n }\n\n return acc;\n }, transform);\n }\n};\nfunction transformParser (node) {\n return parseTransformString(node.getAttribute('data-fa-transform'));\n}\n\nfunction symbolParser (node) {\n var symbol = node.getAttribute('data-fa-symbol');\n return symbol === null ? false : symbol === '' ? true : symbol;\n}\n\nfunction attributesParser (node) {\n var extraAttributes = toArray(node.attributes).reduce(function (acc, attr) {\n if (acc.name !== 'class' && acc.name !== 'style') {\n acc[attr.name] = attr.value;\n }\n\n return acc;\n }, {});\n var title = node.getAttribute('title');\n\n if (config.autoA11y) {\n if (title) {\n extraAttributes['aria-labelledby'] = \"\".concat(config.replacementClass, \"-title-\").concat(nextUniqueId());\n } else {\n extraAttributes['aria-hidden'] = 'true';\n extraAttributes['focusable'] = 'false';\n }\n }\n\n return extraAttributes;\n}\n\nfunction maskParser (node) {\n var mask = node.getAttribute('data-fa-mask');\n\n if (!mask) {\n return emptyCanonicalIcon();\n } else {\n return getCanonicalIcon(mask.split(' ').map(function (i) {\n return i.trim();\n }));\n }\n}\n\nfunction blankMeta() {\n return {\n iconName: null,\n title: null,\n prefix: null,\n transform: meaninglessTransform,\n symbol: false,\n mask: null,\n extra: {\n classes: [],\n styles: {},\n attributes: {}\n }\n };\n}\nfunction parseMeta(node) {\n var _classParser = classParser(node),\n iconName = _classParser.iconName,\n prefix = _classParser.prefix,\n extraClasses = _classParser.rest;\n\n var extraStyles = styleParser(node);\n var transform = transformParser(node);\n var symbol = symbolParser(node);\n var extraAttributes = attributesParser(node);\n var mask = maskParser(node);\n return {\n iconName: iconName,\n title: node.getAttribute('title'),\n prefix: prefix,\n transform: transform,\n symbol: symbol,\n mask: mask,\n extra: {\n classes: extraClasses,\n styles: extraStyles,\n attributes: extraAttributes\n }\n };\n}\n\nfunction MissingIcon(error) {\n this.name = 'MissingIcon';\n this.message = error || 'Icon unavailable';\n this.stack = new Error().stack;\n}\nMissingIcon.prototype = Object.create(Error.prototype);\nMissingIcon.prototype.constructor = MissingIcon;\n\nvar FILL = {\n fill: 'currentColor'\n};\nvar ANIMATION_BASE = {\n attributeType: 'XML',\n repeatCount: 'indefinite',\n dur: '2s'\n};\nvar RING = {\n tag: 'path',\n attributes: _objectSpread({}, FILL, {\n d: 'M156.5,447.7l-12.6,29.5c-18.7-9.5-35.9-21.2-51.5-34.9l22.7-22.7C127.6,430.5,141.5,440,156.5,447.7z M40.6,272H8.5 c1.4,21.2,5.4,41.7,11.7,61.1L50,321.2C45.1,305.5,41.8,289,40.6,272z M40.6,240c1.4-18.8,5.2-37,11.1-54.1l-29.5-12.6 C14.7,194.3,10,216.7,8.5,240H40.6z M64.3,156.5c7.8-14.9,17.2-28.8,28.1-41.5L69.7,92.3c-13.7,15.6-25.5,32.8-34.9,51.5 L64.3,156.5z M397,419.6c-13.9,12-29.4,22.3-46.1,30.4l11.9,29.8c20.7-9.9,39.8-22.6,56.9-37.6L397,419.6z M115,92.4 c13.9-12,29.4-22.3,46.1-30.4l-11.9-29.8c-20.7,9.9-39.8,22.6-56.8,37.6L115,92.4z M447.7,355.5c-7.8,14.9-17.2,28.8-28.1,41.5 l22.7,22.7c13.7-15.6,25.5-32.9,34.9-51.5L447.7,355.5z M471.4,272c-1.4,18.8-5.2,37-11.1,54.1l29.5,12.6 c7.5-21.1,12.2-43.5,13.6-66.8H471.4z M321.2,462c-15.7,5-32.2,8.2-49.2,9.4v32.1c21.2-1.4,41.7-5.4,61.1-11.7L321.2,462z M240,471.4c-18.8-1.4-37-5.2-54.1-11.1l-12.6,29.5c21.1,7.5,43.5,12.2,66.8,13.6V471.4z M462,190.8c5,15.7,8.2,32.2,9.4,49.2h32.1 c-1.4-21.2-5.4-41.7-11.7-61.1L462,190.8z M92.4,397c-12-13.9-22.3-29.4-30.4-46.1l-29.8,11.9c9.9,20.7,22.6,39.8,37.6,56.9 L92.4,397z M272,40.6c18.8,1.4,36.9,5.2,54.1,11.1l12.6-29.5C317.7,14.7,295.3,10,272,8.5V40.6z M190.8,50 c15.7-5,32.2-8.2,49.2-9.4V8.5c-21.2,1.4-41.7,5.4-61.1,11.7L190.8,50z M442.3,92.3L419.6,115c12,13.9,22.3,29.4,30.5,46.1 l29.8-11.9C470,128.5,457.3,109.4,442.3,92.3z M397,92.4l22.7-22.7c-15.6-13.7-32.8-25.5-51.5-34.9l-12.6,29.5 C370.4,72.1,384.4,81.5,397,92.4z'\n })\n};\n\nvar OPACITY_ANIMATE = _objectSpread({}, ANIMATION_BASE, {\n attributeName: 'opacity'\n});\n\nvar DOT = {\n tag: 'circle',\n attributes: _objectSpread({}, FILL, {\n cx: '256',\n cy: '364',\n r: '28'\n }),\n children: [{\n tag: 'animate',\n attributes: _objectSpread({}, ANIMATION_BASE, {\n attributeName: 'r',\n values: '28;14;28;28;14;28;'\n })\n }, {\n tag: 'animate',\n attributes: _objectSpread({}, OPACITY_ANIMATE, {\n values: '1;0;1;1;0;1;'\n })\n }]\n};\nvar QUESTION = {\n tag: 'path',\n attributes: _objectSpread({}, FILL, {\n opacity: '1',\n d: 'M263.7,312h-16c-6.6,0-12-5.4-12-12c0-71,77.4-63.9,77.4-107.8c0-20-17.8-40.2-57.4-40.2c-29.1,0-44.3,9.6-59.2,28.7 c-3.9,5-11.1,6-16.2,2.4l-13.1-9.2c-5.6-3.9-6.9-11.8-2.6-17.2c21.2-27.2,46.4-44.7,91.2-44.7c52.3,0,97.4,29.8,97.4,80.2 c0,67.6-77.4,63.5-77.4,107.8C275.7,306.6,270.3,312,263.7,312z'\n }),\n children: [{\n tag: 'animate',\n attributes: _objectSpread({}, OPACITY_ANIMATE, {\n values: '1;0;0;0;0;1;'\n })\n }]\n};\nvar EXCLAMATION = {\n tag: 'path',\n attributes: _objectSpread({}, FILL, {\n opacity: '0',\n d: 'M232.5,134.5l7,168c0.3,6.4,5.6,11.5,12,11.5h9c6.4,0,11.7-5.1,12-11.5l7-168c0.3-6.8-5.2-12.5-12-12.5h-23 C237.7,122,232.2,127.7,232.5,134.5z'\n }),\n children: [{\n tag: 'animate',\n attributes: _objectSpread({}, OPACITY_ANIMATE, {\n values: '0;0;1;1;0;0;'\n })\n }]\n};\nvar missing = {\n tag: 'g',\n children: [RING, DOT, QUESTION, EXCLAMATION]\n};\n\nvar styles$2 = namespace.styles;\nfunction asFoundIcon(icon) {\n var width = icon[0];\n var height = icon[1];\n\n var _icon$slice = icon.slice(4),\n _icon$slice2 = _slicedToArray(_icon$slice, 1),\n vectorData = _icon$slice2[0];\n\n var element = null;\n\n if (Array.isArray(vectorData)) {\n element = {\n tag: 'g',\n attributes: {\n class: \"\".concat(config.familyPrefix, \"-\").concat(DUOTONE_CLASSES.GROUP)\n },\n children: [{\n tag: 'path',\n attributes: {\n class: \"\".concat(config.familyPrefix, \"-\").concat(DUOTONE_CLASSES.SECONDARY),\n fill: 'currentColor',\n d: vectorData[0]\n }\n }, {\n tag: 'path',\n attributes: {\n class: \"\".concat(config.familyPrefix, \"-\").concat(DUOTONE_CLASSES.PRIMARY),\n fill: 'currentColor',\n d: vectorData[1]\n }\n }]\n };\n } else {\n element = {\n tag: 'path',\n attributes: {\n fill: 'currentColor',\n d: vectorData\n }\n };\n }\n\n return {\n found: true,\n width: width,\n height: height,\n icon: element\n };\n}\nfunction findIcon(iconName, prefix) {\n return new picked(function (resolve, reject) {\n var val = {\n found: false,\n width: 512,\n height: 512,\n icon: missing\n };\n\n if (iconName && prefix && styles$2[prefix] && styles$2[prefix][iconName]) {\n var icon = styles$2[prefix][iconName];\n return resolve(asFoundIcon(icon));\n }\n\n var headers = {};\n\n if (_typeof(WINDOW.FontAwesomeKitConfig) === 'object' && typeof window.FontAwesomeKitConfig.token === 'string') {\n headers['fa-kit-token'] = WINDOW.FontAwesomeKitConfig.token;\n }\n\n if (iconName && prefix && !config.showMissingIcons) {\n reject(new MissingIcon(\"Icon is missing for prefix \".concat(prefix, \" with icon name \").concat(iconName)));\n } else {\n resolve(val);\n }\n });\n}\n\nvar styles$3 = namespace.styles;\n\nfunction generateSvgReplacementMutation(node, nodeMeta) {\n var iconName = nodeMeta.iconName,\n title = nodeMeta.title,\n prefix = nodeMeta.prefix,\n transform = nodeMeta.transform,\n symbol = nodeMeta.symbol,\n mask = nodeMeta.mask,\n extra = nodeMeta.extra;\n return new picked(function (resolve, reject) {\n picked.all([findIcon(iconName, prefix), findIcon(mask.iconName, mask.prefix)]).then(function (_ref) {\n var _ref2 = _slicedToArray(_ref, 2),\n main = _ref2[0],\n mask = _ref2[1];\n\n resolve([node, makeInlineSvgAbstract({\n icons: {\n main: main,\n mask: mask\n },\n prefix: prefix,\n iconName: iconName,\n transform: transform,\n symbol: symbol,\n mask: mask,\n title: title,\n extra: extra,\n watchable: true\n })]);\n });\n });\n}\n\nfunction generateLayersText(node, nodeMeta) {\n var title = nodeMeta.title,\n transform = nodeMeta.transform,\n extra = nodeMeta.extra;\n var width = null;\n var height = null;\n\n if (IS_IE) {\n var computedFontSize = parseInt(getComputedStyle(node).fontSize, 10);\n var boundingClientRect = node.getBoundingClientRect();\n width = boundingClientRect.width / computedFontSize;\n height = boundingClientRect.height / computedFontSize;\n }\n\n if (config.autoA11y && !title) {\n extra.attributes['aria-hidden'] = 'true';\n }\n\n return picked.resolve([node, makeLayersTextAbstract({\n content: node.innerHTML,\n width: width,\n height: height,\n transform: transform,\n title: title,\n extra: extra,\n watchable: true\n })]);\n}\n\nfunction generateMutation(node) {\n var nodeMeta = parseMeta(node);\n\n if (~nodeMeta.extra.classes.indexOf(LAYERS_TEXT_CLASSNAME)) {\n return generateLayersText(node, nodeMeta);\n } else {\n return generateSvgReplacementMutation(node, nodeMeta);\n }\n}\n\nfunction onTree(root) {\n var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n if (!IS_DOM) return;\n var htmlClassList = DOCUMENT.documentElement.classList;\n\n var hclAdd = function hclAdd(suffix) {\n return htmlClassList.add(\"\".concat(HTML_CLASS_I2SVG_BASE_CLASS, \"-\").concat(suffix));\n };\n\n var hclRemove = function hclRemove(suffix) {\n return htmlClassList.remove(\"\".concat(HTML_CLASS_I2SVG_BASE_CLASS, \"-\").concat(suffix));\n };\n\n var prefixes = config.autoFetchSvg ? Object.keys(PREFIX_TO_STYLE) : Object.keys(styles$3);\n var prefixesDomQuery = [\".\".concat(LAYERS_TEXT_CLASSNAME, \":not([\").concat(DATA_FA_I2SVG, \"])\")].concat(prefixes.map(function (p) {\n return \".\".concat(p, \":not([\").concat(DATA_FA_I2SVG, \"])\");\n })).join(', ');\n\n if (prefixesDomQuery.length === 0) {\n return;\n }\n\n var candidates = [];\n\n try {\n candidates = toArray(root.querySelectorAll(prefixesDomQuery));\n } catch (e) {// noop\n }\n\n if (candidates.length > 0) {\n hclAdd('pending');\n hclRemove('complete');\n } else {\n return;\n }\n\n var mark = perf.begin('onTree');\n var mutations = candidates.reduce(function (acc, node) {\n try {\n var mutation = generateMutation(node);\n\n if (mutation) {\n acc.push(mutation);\n }\n } catch (e) {\n if (!PRODUCTION) {\n if (e instanceof MissingIcon) {\n console.error(e);\n }\n }\n }\n\n return acc;\n }, []);\n return new picked(function (resolve, reject) {\n picked.all(mutations).then(function (resolvedMutations) {\n perform(resolvedMutations, function () {\n hclAdd('active');\n hclAdd('complete');\n hclRemove('pending');\n if (typeof callback === 'function') callback();\n mark();\n resolve();\n });\n }).catch(function () {\n mark();\n reject();\n });\n });\n}\nfunction onNode(node) {\n var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n generateMutation(node).then(function (mutation) {\n if (mutation) {\n perform([mutation], callback);\n }\n });\n}\n\nfunction replaceForPosition(node, position) {\n var pendingAttribute = \"\".concat(DATA_FA_PSEUDO_ELEMENT_PENDING).concat(position.replace(':', '-'));\n return new picked(function (resolve, reject) {\n if (node.getAttribute(pendingAttribute) !== null) {\n // This node is already being processed\n return resolve();\n }\n\n var children = toArray(node.children);\n var alreadyProcessedPseudoElement = children.filter(function (c) {\n return c.getAttribute(DATA_FA_PSEUDO_ELEMENT) === position;\n })[0];\n var styles = WINDOW.getComputedStyle(node, position);\n var fontFamily = styles.getPropertyValue('font-family').match(FONT_FAMILY_PATTERN);\n var fontWeight = styles.getPropertyValue('font-weight');\n\n if (alreadyProcessedPseudoElement && !fontFamily) {\n // If we've already processed it but the current computed style does not result in a font-family,\n // that probably means that a class name that was previously present to make the icon has been\n // removed. So we now should delete the icon.\n node.removeChild(alreadyProcessedPseudoElement);\n return resolve();\n } else if (fontFamily) {\n var content = styles.getPropertyValue('content');\n var prefix = ~['Solid', 'Regular', 'Light', 'Duotone', 'Brands'].indexOf(fontFamily[1]) ? STYLE_TO_PREFIX[fontFamily[1].toLowerCase()] : FONT_WEIGHT_TO_PREFIX[fontWeight];\n var hexValue = toHex(content.length === 3 ? content.substr(1, 1) : content);\n var iconName = byUnicode(prefix, hexValue);\n var iconIdentifier = iconName; // Only convert the pseudo element in this :before/:after position into an icon if we haven't\n // already done so with the same prefix and iconName\n\n if (iconName && (!alreadyProcessedPseudoElement || alreadyProcessedPseudoElement.getAttribute(DATA_PREFIX) !== prefix || alreadyProcessedPseudoElement.getAttribute(DATA_ICON) !== iconIdentifier)) {\n node.setAttribute(pendingAttribute, iconIdentifier);\n\n if (alreadyProcessedPseudoElement) {\n // Delete the old one, since we're replacing it with a new one\n node.removeChild(alreadyProcessedPseudoElement);\n }\n\n var meta = blankMeta();\n var extra = meta.extra;\n extra.attributes[DATA_FA_PSEUDO_ELEMENT] = position;\n findIcon(iconName, prefix).then(function (main) {\n var abstract = makeInlineSvgAbstract(_objectSpread({}, meta, {\n icons: {\n main: main,\n mask: emptyCanonicalIcon()\n },\n prefix: prefix,\n iconName: iconIdentifier,\n extra: extra,\n watchable: true\n }));\n var element = DOCUMENT.createElement('svg');\n\n if (position === ':before') {\n node.insertBefore(element, node.firstChild);\n } else {\n node.appendChild(element);\n }\n\n element.outerHTML = abstract.map(function (a) {\n return toHtml(a);\n }).join('\\n');\n node.removeAttribute(pendingAttribute);\n resolve();\n }).catch(reject);\n } else {\n resolve();\n }\n } else {\n resolve();\n }\n });\n}\n\nfunction replace(node) {\n return picked.all([replaceForPosition(node, ':before'), replaceForPosition(node, ':after')]);\n}\n\nfunction processable(node) {\n return node.parentNode !== document.head && !~TAGNAMES_TO_SKIP_FOR_PSEUDOELEMENTS.indexOf(node.tagName.toUpperCase()) && !node.getAttribute(DATA_FA_PSEUDO_ELEMENT) && (!node.parentNode || node.parentNode.tagName !== 'svg');\n}\n\nfunction searchPseudoElements (root) {\n if (!IS_DOM) return;\n return new picked(function (resolve, reject) {\n var operations = toArray(root.querySelectorAll('*')).filter(processable).map(replace);\n var end = perf.begin('searchPseudoElements');\n disableObservation();\n picked.all(operations).then(function () {\n end();\n enableObservation();\n resolve();\n }).catch(function () {\n end();\n enableObservation();\n reject();\n });\n });\n}\n\nvar baseStyles = \"svg:not(:root).svg-inline--fa {\\n overflow: visible;\\n}\\n\\n.svg-inline--fa {\\n display: inline-block;\\n font-size: inherit;\\n height: 1em;\\n overflow: visible;\\n vertical-align: -0.125em;\\n}\\n.svg-inline--fa.fa-lg {\\n vertical-align: -0.225em;\\n}\\n.svg-inline--fa.fa-w-1 {\\n width: 0.0625em;\\n}\\n.svg-inline--fa.fa-w-2 {\\n width: 0.125em;\\n}\\n.svg-inline--fa.fa-w-3 {\\n width: 0.1875em;\\n}\\n.svg-inline--fa.fa-w-4 {\\n width: 0.25em;\\n}\\n.svg-inline--fa.fa-w-5 {\\n width: 0.3125em;\\n}\\n.svg-inline--fa.fa-w-6 {\\n width: 0.375em;\\n}\\n.svg-inline--fa.fa-w-7 {\\n width: 0.4375em;\\n}\\n.svg-inline--fa.fa-w-8 {\\n width: 0.5em;\\n}\\n.svg-inline--fa.fa-w-9 {\\n width: 0.5625em;\\n}\\n.svg-inline--fa.fa-w-10 {\\n width: 0.625em;\\n}\\n.svg-inline--fa.fa-w-11 {\\n width: 0.6875em;\\n}\\n.svg-inline--fa.fa-w-12 {\\n width: 0.75em;\\n}\\n.svg-inline--fa.fa-w-13 {\\n width: 0.8125em;\\n}\\n.svg-inline--fa.fa-w-14 {\\n width: 0.875em;\\n}\\n.svg-inline--fa.fa-w-15 {\\n width: 0.9375em;\\n}\\n.svg-inline--fa.fa-w-16 {\\n width: 1em;\\n}\\n.svg-inline--fa.fa-w-17 {\\n width: 1.0625em;\\n}\\n.svg-inline--fa.fa-w-18 {\\n width: 1.125em;\\n}\\n.svg-inline--fa.fa-w-19 {\\n width: 1.1875em;\\n}\\n.svg-inline--fa.fa-w-20 {\\n width: 1.25em;\\n}\\n.svg-inline--fa.fa-pull-left {\\n margin-right: 0.3em;\\n width: auto;\\n}\\n.svg-inline--fa.fa-pull-right {\\n margin-left: 0.3em;\\n width: auto;\\n}\\n.svg-inline--fa.fa-border {\\n height: 1.5em;\\n}\\n.svg-inline--fa.fa-li {\\n width: 2em;\\n}\\n.svg-inline--fa.fa-fw {\\n width: 1.25em;\\n}\\n\\n.fa-layers svg.svg-inline--fa {\\n bottom: 0;\\n left: 0;\\n margin: auto;\\n position: absolute;\\n right: 0;\\n top: 0;\\n}\\n\\n.fa-layers {\\n display: inline-block;\\n height: 1em;\\n position: relative;\\n text-align: center;\\n vertical-align: -0.125em;\\n width: 1em;\\n}\\n.fa-layers svg.svg-inline--fa {\\n -webkit-transform-origin: center center;\\n transform-origin: center center;\\n}\\n\\n.fa-layers-counter, .fa-layers-text {\\n display: inline-block;\\n position: absolute;\\n text-align: center;\\n}\\n\\n.fa-layers-text {\\n left: 50%;\\n top: 50%;\\n -webkit-transform: translate(-50%, -50%);\\n transform: translate(-50%, -50%);\\n -webkit-transform-origin: center center;\\n transform-origin: center center;\\n}\\n\\n.fa-layers-counter {\\n background-color: #ff253a;\\n border-radius: 1em;\\n -webkit-box-sizing: border-box;\\n box-sizing: border-box;\\n color: #fff;\\n height: 1.5em;\\n line-height: 1;\\n max-width: 5em;\\n min-width: 1.5em;\\n overflow: hidden;\\n padding: 0.25em;\\n right: 0;\\n text-overflow: ellipsis;\\n top: 0;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: top right;\\n transform-origin: top right;\\n}\\n\\n.fa-layers-bottom-right {\\n bottom: 0;\\n right: 0;\\n top: auto;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: bottom right;\\n transform-origin: bottom right;\\n}\\n\\n.fa-layers-bottom-left {\\n bottom: 0;\\n left: 0;\\n right: auto;\\n top: auto;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: bottom left;\\n transform-origin: bottom left;\\n}\\n\\n.fa-layers-top-right {\\n right: 0;\\n top: 0;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: top right;\\n transform-origin: top right;\\n}\\n\\n.fa-layers-top-left {\\n left: 0;\\n right: auto;\\n top: 0;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: top left;\\n transform-origin: top left;\\n}\\n\\n.fa-lg {\\n font-size: 1.3333333333em;\\n line-height: 0.75em;\\n vertical-align: -0.0667em;\\n}\\n\\n.fa-xs {\\n font-size: 0.75em;\\n}\\n\\n.fa-sm {\\n font-size: 0.875em;\\n}\\n\\n.fa-1x {\\n font-size: 1em;\\n}\\n\\n.fa-2x {\\n font-size: 2em;\\n}\\n\\n.fa-3x {\\n font-size: 3em;\\n}\\n\\n.fa-4x {\\n font-size: 4em;\\n}\\n\\n.fa-5x {\\n font-size: 5em;\\n}\\n\\n.fa-6x {\\n font-size: 6em;\\n}\\n\\n.fa-7x {\\n font-size: 7em;\\n}\\n\\n.fa-8x {\\n font-size: 8em;\\n}\\n\\n.fa-9x {\\n font-size: 9em;\\n}\\n\\n.fa-10x {\\n font-size: 10em;\\n}\\n\\n.fa-fw {\\n text-align: center;\\n width: 1.25em;\\n}\\n\\n.fa-ul {\\n list-style-type: none;\\n margin-left: 2.5em;\\n padding-left: 0;\\n}\\n.fa-ul > li {\\n position: relative;\\n}\\n\\n.fa-li {\\n left: -2em;\\n position: absolute;\\n text-align: center;\\n width: 2em;\\n line-height: inherit;\\n}\\n\\n.fa-border {\\n border: solid 0.08em #eee;\\n border-radius: 0.1em;\\n padding: 0.2em 0.25em 0.15em;\\n}\\n\\n.fa-pull-left {\\n float: left;\\n}\\n\\n.fa-pull-right {\\n float: right;\\n}\\n\\n.fa.fa-pull-left,\\n.fas.fa-pull-left,\\n.far.fa-pull-left,\\n.fal.fa-pull-left,\\n.fab.fa-pull-left {\\n margin-right: 0.3em;\\n}\\n.fa.fa-pull-right,\\n.fas.fa-pull-right,\\n.far.fa-pull-right,\\n.fal.fa-pull-right,\\n.fab.fa-pull-right {\\n margin-left: 0.3em;\\n}\\n\\n.fa-spin {\\n -webkit-animation: fa-spin 2s infinite linear;\\n animation: fa-spin 2s infinite linear;\\n}\\n\\n.fa-pulse {\\n -webkit-animation: fa-spin 1s infinite steps(8);\\n animation: fa-spin 1s infinite steps(8);\\n}\\n\\n@-webkit-keyframes fa-spin {\\n 0% {\\n -webkit-transform: rotate(0deg);\\n transform: rotate(0deg);\\n }\\n 100% {\\n -webkit-transform: rotate(360deg);\\n transform: rotate(360deg);\\n }\\n}\\n\\n@keyframes fa-spin {\\n 0% {\\n -webkit-transform: rotate(0deg);\\n transform: rotate(0deg);\\n }\\n 100% {\\n -webkit-transform: rotate(360deg);\\n transform: rotate(360deg);\\n }\\n}\\n.fa-rotate-90 {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=1)\\\";\\n -webkit-transform: rotate(90deg);\\n transform: rotate(90deg);\\n}\\n\\n.fa-rotate-180 {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=2)\\\";\\n -webkit-transform: rotate(180deg);\\n transform: rotate(180deg);\\n}\\n\\n.fa-rotate-270 {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=3)\\\";\\n -webkit-transform: rotate(270deg);\\n transform: rotate(270deg);\\n}\\n\\n.fa-flip-horizontal {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1)\\\";\\n -webkit-transform: scale(-1, 1);\\n transform: scale(-1, 1);\\n}\\n\\n.fa-flip-vertical {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)\\\";\\n -webkit-transform: scale(1, -1);\\n transform: scale(1, -1);\\n}\\n\\n.fa-flip-both, .fa-flip-horizontal.fa-flip-vertical {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)\\\";\\n -webkit-transform: scale(-1, -1);\\n transform: scale(-1, -1);\\n}\\n\\n:root .fa-rotate-90,\\n:root .fa-rotate-180,\\n:root .fa-rotate-270,\\n:root .fa-flip-horizontal,\\n:root .fa-flip-vertical,\\n:root .fa-flip-both {\\n -webkit-filter: none;\\n filter: none;\\n}\\n\\n.fa-stack {\\n display: inline-block;\\n height: 2em;\\n position: relative;\\n width: 2.5em;\\n}\\n\\n.fa-stack-1x,\\n.fa-stack-2x {\\n bottom: 0;\\n left: 0;\\n margin: auto;\\n position: absolute;\\n right: 0;\\n top: 0;\\n}\\n\\n.svg-inline--fa.fa-stack-1x {\\n height: 1em;\\n width: 1.25em;\\n}\\n.svg-inline--fa.fa-stack-2x {\\n height: 2em;\\n width: 2.5em;\\n}\\n\\n.fa-inverse {\\n color: #fff;\\n}\\n\\n.sr-only {\\n border: 0;\\n clip: rect(0, 0, 0, 0);\\n height: 1px;\\n margin: -1px;\\n overflow: hidden;\\n padding: 0;\\n position: absolute;\\n width: 1px;\\n}\\n\\n.sr-only-focusable:active, .sr-only-focusable:focus {\\n clip: auto;\\n height: auto;\\n margin: 0;\\n overflow: visible;\\n position: static;\\n width: auto;\\n}\\n\\n.svg-inline--fa .fa-primary {\\n fill: var(--fa-primary-color, currentColor);\\n opacity: 1;\\n opacity: var(--fa-primary-opacity, 1);\\n}\\n\\n.svg-inline--fa .fa-secondary {\\n fill: var(--fa-secondary-color, currentColor);\\n opacity: 0.4;\\n opacity: var(--fa-secondary-opacity, 0.4);\\n}\\n\\n.svg-inline--fa.fa-swap-opacity .fa-primary {\\n opacity: 0.4;\\n opacity: var(--fa-secondary-opacity, 0.4);\\n}\\n\\n.svg-inline--fa.fa-swap-opacity .fa-secondary {\\n opacity: 1;\\n opacity: var(--fa-primary-opacity, 1);\\n}\\n\\n.svg-inline--fa mask .fa-primary,\\n.svg-inline--fa mask .fa-secondary {\\n fill: black;\\n}\\n\\n.fad.fa-inverse {\\n color: #fff;\\n}\";\n\nfunction css () {\n var dfp = DEFAULT_FAMILY_PREFIX;\n var drc = DEFAULT_REPLACEMENT_CLASS;\n var fp = config.familyPrefix;\n var rc = config.replacementClass;\n var s = baseStyles;\n\n if (fp !== dfp || rc !== drc) {\n var dPatt = new RegExp(\"\\\\.\".concat(dfp, \"\\\\-\"), 'g');\n var customPropPatt = new RegExp(\"\\\\--\".concat(dfp, \"\\\\-\"), 'g');\n var rPatt = new RegExp(\"\\\\.\".concat(drc), 'g');\n s = s.replace(dPatt, \".\".concat(fp, \"-\")).replace(customPropPatt, \"--\".concat(fp, \"-\")).replace(rPatt, \".\".concat(rc));\n }\n\n return s;\n}\n\nvar Library =\n/*#__PURE__*/\nfunction () {\n function Library() {\n _classCallCheck(this, Library);\n\n this.definitions = {};\n }\n\n _createClass(Library, [{\n key: \"add\",\n value: function add() {\n var _this = this;\n\n for (var _len = arguments.length, definitions = new Array(_len), _key = 0; _key < _len; _key++) {\n definitions[_key] = arguments[_key];\n }\n\n var additions = definitions.reduce(this._pullDefinitions, {});\n Object.keys(additions).forEach(function (key) {\n _this.definitions[key] = _objectSpread({}, _this.definitions[key] || {}, additions[key]);\n defineIcons(key, additions[key]);\n build();\n });\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this.definitions = {};\n }\n }, {\n key: \"_pullDefinitions\",\n value: function _pullDefinitions(additions, definition) {\n var normalized = definition.prefix && definition.iconName && definition.icon ? {\n 0: definition\n } : definition;\n Object.keys(normalized).map(function (key) {\n var _normalized$key = normalized[key],\n prefix = _normalized$key.prefix,\n iconName = _normalized$key.iconName,\n icon = _normalized$key.icon;\n if (!additions[prefix]) additions[prefix] = {};\n additions[prefix][iconName] = icon;\n });\n return additions;\n }\n }]);\n\n return Library;\n}();\n\nfunction ensureCss() {\n if (config.autoAddCss && !_cssInserted) {\n insertCss(css());\n\n _cssInserted = true;\n }\n}\n\nfunction apiObject(val, abstractCreator) {\n Object.defineProperty(val, 'abstract', {\n get: abstractCreator\n });\n Object.defineProperty(val, 'html', {\n get: function get() {\n return val.abstract.map(function (a) {\n return toHtml(a);\n });\n }\n });\n Object.defineProperty(val, 'node', {\n get: function get() {\n if (!IS_DOM) return;\n var container = DOCUMENT.createElement('div');\n container.innerHTML = val.html;\n return container.children;\n }\n });\n return val;\n}\n\nfunction findIconDefinition(iconLookup) {\n var _iconLookup$prefix = iconLookup.prefix,\n prefix = _iconLookup$prefix === void 0 ? 'fa' : _iconLookup$prefix,\n iconName = iconLookup.iconName;\n if (!iconName) return;\n return iconFromMapping(library.definitions, prefix, iconName) || iconFromMapping(namespace.styles, prefix, iconName);\n}\n\nfunction resolveIcons(next) {\n return function (maybeIconDefinition) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var iconDefinition = (maybeIconDefinition || {}).icon ? maybeIconDefinition : findIconDefinition(maybeIconDefinition || {});\n var mask = params.mask;\n\n if (mask) {\n mask = (mask || {}).icon ? mask : findIconDefinition(mask || {});\n }\n\n return next(iconDefinition, _objectSpread({}, params, {\n mask: mask\n }));\n };\n}\n\nvar library = new Library();\nvar noAuto = function noAuto() {\n config.autoReplaceSvg = false;\n config.observeMutations = false;\n disconnect();\n};\nvar _cssInserted = false;\nvar dom = {\n i2svg: function i2svg() {\n var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n if (IS_DOM) {\n ensureCss();\n var _params$node = params.node,\n node = _params$node === void 0 ? DOCUMENT : _params$node,\n _params$callback = params.callback,\n callback = _params$callback === void 0 ? function () {} : _params$callback;\n\n if (config.searchPseudoElements) {\n searchPseudoElements(node);\n }\n\n return onTree(node, callback);\n } else {\n return picked.reject('Operation requires a DOM of some kind.');\n }\n },\n css: css,\n insertCss: function insertCss$$1() {\n if (!_cssInserted) {\n insertCss(css());\n\n _cssInserted = true;\n }\n },\n watch: function watch() {\n var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var autoReplaceSvgRoot = params.autoReplaceSvgRoot,\n observeMutationsRoot = params.observeMutationsRoot;\n\n if (config.autoReplaceSvg === false) {\n config.autoReplaceSvg = true;\n }\n\n config.observeMutations = true;\n domready(function () {\n autoReplace({\n autoReplaceSvgRoot: autoReplaceSvgRoot\n });\n observe({\n treeCallback: onTree,\n nodeCallback: onNode,\n pseudoElementsCallback: searchPseudoElements,\n observeMutationsRoot: observeMutationsRoot\n });\n });\n }\n};\nvar parse = {\n transform: function transform(transformString) {\n return parseTransformString(transformString);\n }\n};\nvar icon = resolveIcons(function (iconDefinition) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _params$transform = params.transform,\n transform = _params$transform === void 0 ? meaninglessTransform : _params$transform,\n _params$symbol = params.symbol,\n symbol = _params$symbol === void 0 ? false : _params$symbol,\n _params$mask = params.mask,\n mask = _params$mask === void 0 ? null : _params$mask,\n _params$title = params.title,\n title = _params$title === void 0 ? null : _params$title,\n _params$classes = params.classes,\n classes = _params$classes === void 0 ? [] : _params$classes,\n _params$attributes = params.attributes,\n attributes = _params$attributes === void 0 ? {} : _params$attributes,\n _params$styles = params.styles,\n styles = _params$styles === void 0 ? {} : _params$styles;\n if (!iconDefinition) return;\n var prefix = iconDefinition.prefix,\n iconName = iconDefinition.iconName,\n icon = iconDefinition.icon;\n return apiObject(_objectSpread({\n type: 'icon'\n }, iconDefinition), function () {\n ensureCss();\n\n if (config.autoA11y) {\n if (title) {\n attributes['aria-labelledby'] = \"\".concat(config.replacementClass, \"-title-\").concat(nextUniqueId());\n } else {\n attributes['aria-hidden'] = 'true';\n attributes['focusable'] = 'false';\n }\n }\n\n return makeInlineSvgAbstract({\n icons: {\n main: asFoundIcon(icon),\n mask: mask ? asFoundIcon(mask.icon) : {\n found: false,\n width: null,\n height: null,\n icon: {}\n }\n },\n prefix: prefix,\n iconName: iconName,\n transform: _objectSpread({}, meaninglessTransform, transform),\n symbol: symbol,\n title: title,\n extra: {\n attributes: attributes,\n styles: styles,\n classes: classes\n }\n });\n });\n});\nvar text = function text(content) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _params$transform2 = params.transform,\n transform = _params$transform2 === void 0 ? meaninglessTransform : _params$transform2,\n _params$title2 = params.title,\n title = _params$title2 === void 0 ? null : _params$title2,\n _params$classes2 = params.classes,\n classes = _params$classes2 === void 0 ? [] : _params$classes2,\n _params$attributes2 = params.attributes,\n attributes = _params$attributes2 === void 0 ? {} : _params$attributes2,\n _params$styles2 = params.styles,\n styles = _params$styles2 === void 0 ? {} : _params$styles2;\n return apiObject({\n type: 'text',\n content: content\n }, function () {\n ensureCss();\n return makeLayersTextAbstract({\n content: content,\n transform: _objectSpread({}, meaninglessTransform, transform),\n title: title,\n extra: {\n attributes: attributes,\n styles: styles,\n classes: [\"\".concat(config.familyPrefix, \"-layers-text\")].concat(_toConsumableArray(classes))\n }\n });\n });\n};\nvar counter = function counter(content) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _params$title3 = params.title,\n title = _params$title3 === void 0 ? null : _params$title3,\n _params$classes3 = params.classes,\n classes = _params$classes3 === void 0 ? [] : _params$classes3,\n _params$attributes3 = params.attributes,\n attributes = _params$attributes3 === void 0 ? {} : _params$attributes3,\n _params$styles3 = params.styles,\n styles = _params$styles3 === void 0 ? {} : _params$styles3;\n return apiObject({\n type: 'counter',\n content: content\n }, function () {\n ensureCss();\n return makeLayersCounterAbstract({\n content: content.toString(),\n title: title,\n extra: {\n attributes: attributes,\n styles: styles,\n classes: [\"\".concat(config.familyPrefix, \"-layers-counter\")].concat(_toConsumableArray(classes))\n }\n });\n });\n};\nvar layer = function layer(assembler) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _params$classes4 = params.classes,\n classes = _params$classes4 === void 0 ? [] : _params$classes4;\n return apiObject({\n type: 'layer'\n }, function () {\n ensureCss();\n var children = [];\n assembler(function (args) {\n Array.isArray(args) ? args.map(function (a) {\n children = children.concat(a.abstract);\n }) : children = children.concat(args.abstract);\n });\n return [{\n tag: 'span',\n attributes: {\n class: [\"\".concat(config.familyPrefix, \"-layers\")].concat(_toConsumableArray(classes)).join(' ')\n },\n children: children\n }];\n });\n};\nvar api = {\n noAuto: noAuto,\n config: config,\n dom: dom,\n library: library,\n parse: parse,\n findIconDefinition: findIconDefinition,\n icon: icon,\n text: text,\n counter: counter,\n layer: layer,\n toHtml: toHtml\n};\n\nvar autoReplace = function autoReplace() {\n var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var _params$autoReplaceSv = params.autoReplaceSvgRoot,\n autoReplaceSvgRoot = _params$autoReplaceSv === void 0 ? DOCUMENT : _params$autoReplaceSv;\n if ((Object.keys(namespace.styles).length > 0 || config.autoFetchSvg) && IS_DOM && config.autoReplaceSvg) api.dom.i2svg({\n node: autoReplaceSvgRoot\n });\n};\n\nexport { icon, noAuto, config, toHtml, layer, text, counter, library, dom, parse, findIconDefinition };\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport { Inject, Injectable, Optional, PLATFORM_ID, NgModule, ɵɵdefineInjectable, ɵɵinject } from '@angular/core';\nimport { isPlatformBrowser } from '@angular/common';\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n// Whether the current platform supports the V8 Break Iterator. The V8 check\n// is necessary to detect all Blink based browsers.\n/** @type {?} */\nlet hasV8BreakIterator;\n// We need a try/catch around the reference to `Intl`, because accessing it in some cases can\n// cause IE to throw. These cases are tied to particular versions of Windows and can happen if\n// the consumer is providing a polyfilled `Map`. See:\n// https://github.com/Microsoft/ChakraCore/issues/3189\n// https://github.com/angular/components/issues/15687\ntry {\n hasV8BreakIterator = (typeof Intl !== 'undefined' && ((/** @type {?} */ (Intl))).v8BreakIterator);\n}\ncatch (_a) {\n hasV8BreakIterator = false;\n}\n/**\n * Service to detect the current platform by comparing the userAgent strings and\n * checking browser-specific global properties.\n */\nclass Platform {\n /**\n * \\@breaking-change 8.0.0 remove optional decorator\n * @param {?=} _platformId\n */\n constructor(_platformId) {\n this._platformId = _platformId;\n /**\n * Whether the Angular application is being rendered in the browser.\n * We want to use the Angular platform check because if the Document is shimmed\n * without the navigator, the following checks will fail. This is preferred because\n * sometimes the Document may be shimmed without the user's knowledge or intention\n */\n this.isBrowser = this._platformId ?\n isPlatformBrowser(this._platformId) : typeof document === 'object' && !!document;\n /**\n * Whether the current browser is Microsoft Edge.\n */\n this.EDGE = this.isBrowser && /(edge)/i.test(navigator.userAgent);\n /**\n * Whether the current rendering engine is Microsoft Trident.\n */\n this.TRIDENT = this.isBrowser && /(msie|trident)/i.test(navigator.userAgent);\n /**\n * Whether the current rendering engine is Blink.\n */\n // EdgeHTML and Trident mock Blink specific things and need to be excluded from this check.\n this.BLINK = this.isBrowser && (!!(((/** @type {?} */ (window))).chrome || hasV8BreakIterator) &&\n typeof CSS !== 'undefined' && !this.EDGE && !this.TRIDENT);\n /**\n * Whether the current rendering engine is WebKit.\n */\n // Webkit is part of the userAgent in EdgeHTML, Blink and Trident. Therefore we need to\n // ensure that Webkit runs standalone and is not used as another engine's base.\n this.WEBKIT = this.isBrowser &&\n /AppleWebKit/i.test(navigator.userAgent) && !this.BLINK && !this.EDGE && !this.TRIDENT;\n /**\n * Whether the current platform is Apple iOS.\n */\n this.IOS = this.isBrowser && /iPad|iPhone|iPod/.test(navigator.userAgent) &&\n !('MSStream' in window);\n /**\n * Whether the current browser is Firefox.\n */\n // It's difficult to detect the plain Gecko engine, because most of the browsers identify\n // them self as Gecko-like browsers and modify the userAgent's according to that.\n // Since we only cover one explicit Firefox case, we can simply check for Firefox\n // instead of having an unstable check for Gecko.\n this.FIREFOX = this.isBrowser && /(firefox|minefield)/i.test(navigator.userAgent);\n /**\n * Whether the current platform is Android.\n */\n // Trident on mobile adds the android platform to the userAgent to trick detections.\n this.ANDROID = this.isBrowser && /android/i.test(navigator.userAgent) && !this.TRIDENT;\n /**\n * Whether the current browser is Safari.\n */\n // Safari browsers will include the Safari keyword in their userAgent. Some browsers may fake\n // this and just place the Safari keyword in the userAgent. To be more safe about Safari every\n // Safari browser should also use Webkit as its layout engine.\n this.SAFARI = this.isBrowser && /safari/i.test(navigator.userAgent) && this.WEBKIT;\n }\n}\nPlatform.decorators = [\n { type: Injectable, args: [{ providedIn: 'root' },] },\n];\n/** @nocollapse */\nPlatform.ctorParameters = () => [\n { type: Object, decorators: [{ type: Optional }, { type: Inject, args: [PLATFORM_ID,] }] }\n];\n/** @nocollapse */ Platform.ngInjectableDef = ɵɵdefineInjectable({ factory: function Platform_Factory() { return new Platform(ɵɵinject(PLATFORM_ID, 8)); }, token: Platform, providedIn: \"root\" });\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\nclass PlatformModule {\n}\nPlatformModule.decorators = [\n { type: NgModule, args: [{},] },\n];\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\n/**\n * Cached result Set of input types support by the current browser.\n * @type {?}\n */\nlet supportedInputTypes;\n/**\n * Types of `` that *might* be supported.\n * @type {?}\n */\nconst candidateInputTypes = [\n // `color` must come first. Chrome 56 shows a warning if we change the type to `color` after\n // first changing it to something else:\n // The specified value \"\" does not conform to the required format.\n // The format is \"#rrggbb\" where rr, gg, bb are two-digit hexadecimal numbers.\n 'color',\n 'button',\n 'checkbox',\n 'date',\n 'datetime-local',\n 'email',\n 'file',\n 'hidden',\n 'image',\n 'month',\n 'number',\n 'password',\n 'radio',\n 'range',\n 'reset',\n 'search',\n 'submit',\n 'tel',\n 'text',\n 'time',\n 'url',\n 'week',\n];\n/**\n * @return {?} The input types supported by this browser.\n */\nfunction getSupportedInputTypes() {\n // Result is cached.\n if (supportedInputTypes) {\n return supportedInputTypes;\n }\n // We can't check if an input type is not supported until we're on the browser, so say that\n // everything is supported when not on the browser. We don't use `Platform` here since it's\n // just a helper function and can't inject it.\n if (typeof document !== 'object' || !document) {\n supportedInputTypes = new Set(candidateInputTypes);\n return supportedInputTypes;\n }\n /** @type {?} */\n let featureTestInput = document.createElement('input');\n supportedInputTypes = new Set(candidateInputTypes.filter((/**\n * @param {?} value\n * @return {?}\n */\n value => {\n featureTestInput.setAttribute('type', value);\n return featureTestInput.type === value;\n })));\n return supportedInputTypes;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\n/**\n * Cached result of whether the user's browser supports passive event listeners.\n * @type {?}\n */\nlet supportsPassiveEvents;\n/**\n * Checks whether the user's browser supports passive event listeners.\n * See: https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md\n * @return {?}\n */\nfunction supportsPassiveEventListeners() {\n if (supportsPassiveEvents == null && typeof window !== 'undefined') {\n try {\n window.addEventListener('test', (/** @type {?} */ (null)), Object.defineProperty({}, 'passive', {\n get: (/**\n * @return {?}\n */\n () => supportsPassiveEvents = true)\n }));\n }\n finally {\n supportsPassiveEvents = supportsPassiveEvents || false;\n }\n }\n return supportsPassiveEvents;\n}\n/**\n * Normalizes an `AddEventListener` object to something that can be passed\n * to `addEventListener` on any browser, no matter whether it supports the\n * `options` parameter.\n * @param {?} options Object to be normalized.\n * @return {?}\n */\nfunction normalizePassiveListenerOptions(options) {\n return supportsPassiveEventListeners() ? options : !!options.capture;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\n/** @enum {number} */\nconst RtlScrollAxisType = {\n /**\n * scrollLeft is 0 when scrolled all the way left and (scrollWidth - clientWidth) when scrolled\n * all the way right.\n */\n NORMAL: 0,\n /**\n * scrollLeft is -(scrollWidth - clientWidth) when scrolled all the way left and 0 when scrolled\n * all the way right.\n */\n NEGATED: 1,\n /**\n * scrollLeft is (scrollWidth - clientWidth) when scrolled all the way left and 0 when scrolled\n * all the way right.\n */\n INVERTED: 2,\n};\nRtlScrollAxisType[RtlScrollAxisType.NORMAL] = 'NORMAL';\nRtlScrollAxisType[RtlScrollAxisType.NEGATED] = 'NEGATED';\nRtlScrollAxisType[RtlScrollAxisType.INVERTED] = 'INVERTED';\n/**\n * Cached result of the way the browser handles the horizontal scroll axis in RTL mode.\n * @type {?}\n */\nlet rtlScrollAxisType;\n/**\n * Check whether the browser supports scroll behaviors.\n * @return {?}\n */\nfunction supportsScrollBehavior() {\n return !!(typeof document == 'object' && 'scrollBehavior' in (/** @type {?} */ (document.documentElement)).style);\n}\n/**\n * Checks the type of RTL scroll axis used by this browser. As of time of writing, Chrome is NORMAL,\n * Firefox & Safari are NEGATED, and IE & Edge are INVERTED.\n * @return {?}\n */\nfunction getRtlScrollAxisType() {\n // We can't check unless we're on the browser. Just assume 'normal' if we're not.\n if (typeof document !== 'object' || !document) {\n return RtlScrollAxisType.NORMAL;\n }\n if (!rtlScrollAxisType) {\n // Create a 1px wide scrolling container and a 2px wide content element.\n /** @type {?} */\n const scrollContainer = document.createElement('div');\n /** @type {?} */\n const containerStyle = scrollContainer.style;\n scrollContainer.dir = 'rtl';\n containerStyle.height = '1px';\n containerStyle.width = '1px';\n containerStyle.overflow = 'auto';\n containerStyle.visibility = 'hidden';\n containerStyle.pointerEvents = 'none';\n containerStyle.position = 'absolute';\n /** @type {?} */\n const content = document.createElement('div');\n /** @type {?} */\n const contentStyle = content.style;\n contentStyle.width = '2px';\n contentStyle.height = '1px';\n scrollContainer.appendChild(content);\n document.body.appendChild(scrollContainer);\n rtlScrollAxisType = RtlScrollAxisType.NORMAL;\n // The viewport starts scrolled all the way to the right in RTL mode. If we are in a NORMAL\n // browser this would mean that the scrollLeft should be 1. If it's zero instead we know we're\n // dealing with one of the other two types of browsers.\n if (scrollContainer.scrollLeft === 0) {\n // In a NEGATED browser the scrollLeft is always somewhere in [-maxScrollAmount, 0]. For an\n // INVERTED browser it is always somewhere in [0, maxScrollAmount]. We can determine which by\n // setting to the scrollLeft to 1. This is past the max for a NEGATED browser, so it will\n // return 0 when we read it again.\n scrollContainer.scrollLeft = 1;\n rtlScrollAxisType =\n scrollContainer.scrollLeft === 0 ? RtlScrollAxisType.NEGATED : RtlScrollAxisType.INVERTED;\n }\n (/** @type {?} */ (scrollContainer.parentNode)).removeChild(scrollContainer);\n }\n return rtlScrollAxisType;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\n/** @type {?} */\nlet shadowDomIsSupported;\n/**\n * Checks whether the user's browser support Shadow DOM.\n * @return {?}\n */\nfunction _supportsShadowDom() {\n if (shadowDomIsSupported == null) {\n /** @type {?} */\n const head = typeof document !== 'undefined' ? document.head : null;\n shadowDomIsSupported = !!(head && (((/** @type {?} */ (head))).createShadowRoot || head.attachShadow));\n }\n return shadowDomIsSupported;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\nexport { Platform, PlatformModule, getSupportedInputTypes, supportsPassiveEventListeners, normalizePassiveListenerOptions, supportsScrollBehavior, getRtlScrollAxisType, RtlScrollAxisType, _supportsShadowDom };\n//# sourceMappingURL=platform.js.map\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport { NgModule, Injectable, NgZone, ɵɵdefineInjectable, ɵɵinject } from '@angular/core';\nimport { Platform } from '@angular/cdk/platform';\nimport { combineLatest, concat, Observable, Subject } from 'rxjs';\nimport { debounceTime, map, skip, startWith, take, takeUntil } from 'rxjs/operators';\nimport { coerceArray } from '@angular/cdk/coercion';\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\nclass LayoutModule {\n}\nLayoutModule.decorators = [\n { type: NgModule, args: [{},] },\n];\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Global registry for all dynamically-created, injected media queries.\n * @type {?}\n */\nconst mediaQueriesForWebkitCompatibility = new Set();\n/**\n * Style tag that holds all of the dynamically-created media queries.\n * @type {?}\n */\nlet mediaQueryStyleNode;\n/**\n * A utility for calling matchMedia queries.\n */\nclass MediaMatcher {\n /**\n * @param {?} _platform\n */\n constructor(_platform) {\n this._platform = _platform;\n this._matchMedia = this._platform.isBrowser && window.matchMedia ?\n // matchMedia is bound to the window scope intentionally as it is an illegal invocation to\n // call it from a different scope.\n window.matchMedia.bind(window) :\n noopMatchMedia;\n }\n /**\n * Evaluates the given media query and returns the native MediaQueryList from which results\n * can be retrieved.\n * Confirms the layout engine will trigger for the selector query provided and returns the\n * MediaQueryList for the query provided.\n * @param {?} query\n * @return {?}\n */\n matchMedia(query) {\n if (this._platform.WEBKIT) {\n createEmptyStyleRule(query);\n }\n return this._matchMedia(query);\n }\n}\nMediaMatcher.decorators = [\n { type: Injectable, args: [{ providedIn: 'root' },] },\n];\n/** @nocollapse */\nMediaMatcher.ctorParameters = () => [\n { type: Platform }\n];\n/** @nocollapse */ MediaMatcher.ngInjectableDef = ɵɵdefineInjectable({ factory: function MediaMatcher_Factory() { return new MediaMatcher(ɵɵinject(Platform)); }, token: MediaMatcher, providedIn: \"root\" });\n/**\n * For Webkit engines that only trigger the MediaQueryListListener when\n * there is at least one CSS selector for the respective media query.\n * @param {?} query\n * @return {?}\n */\nfunction createEmptyStyleRule(query) {\n if (mediaQueriesForWebkitCompatibility.has(query)) {\n return;\n }\n try {\n if (!mediaQueryStyleNode) {\n mediaQueryStyleNode = document.createElement('style');\n mediaQueryStyleNode.setAttribute('type', 'text/css');\n (/** @type {?} */ (document.head)).appendChild(mediaQueryStyleNode);\n }\n if (mediaQueryStyleNode.sheet) {\n ((/** @type {?} */ (mediaQueryStyleNode.sheet)))\n .insertRule(`@media ${query} {.fx-query-test{ }}`, 0);\n mediaQueriesForWebkitCompatibility.add(query);\n }\n }\n catch (e) {\n console.error(e);\n }\n}\n/**\n * No-op matchMedia replacement for non-browser platforms.\n * @param {?} query\n * @return {?}\n */\nfunction noopMatchMedia(query) {\n // Use `as any` here to avoid adding additional necessary properties for\n // the noop matcher.\n return (/** @type {?} */ ({\n matches: query === 'all' || query === '',\n media: query,\n addListener: (/**\n * @return {?}\n */\n () => { }),\n removeListener: (/**\n * @return {?}\n */\n () => { })\n }));\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Utility for checking the matching state of \\@media queries.\n */\nclass BreakpointObserver {\n /**\n * @param {?} _mediaMatcher\n * @param {?} _zone\n */\n constructor(_mediaMatcher, _zone) {\n this._mediaMatcher = _mediaMatcher;\n this._zone = _zone;\n /**\n * A map of all media queries currently being listened for.\n */\n this._queries = new Map();\n /**\n * A subject for all other observables to takeUntil based on.\n */\n this._destroySubject = new Subject();\n }\n /**\n * Completes the active subject, signalling to all other observables to complete.\n * @return {?}\n */\n ngOnDestroy() {\n this._destroySubject.next();\n this._destroySubject.complete();\n }\n /**\n * Whether one or more media queries match the current viewport size.\n * @param {?} value One or more media queries to check.\n * @return {?} Whether any of the media queries match.\n */\n isMatched(value) {\n /** @type {?} */\n const queries = splitQueries(coerceArray(value));\n return queries.some((/**\n * @param {?} mediaQuery\n * @return {?}\n */\n mediaQuery => this._registerQuery(mediaQuery).mql.matches));\n }\n /**\n * Gets an observable of results for the given queries that will emit new results for any changes\n * in matching of the given queries.\n * @param {?} value One or more media queries to check.\n * @return {?} A stream of matches for the given queries.\n */\n observe(value) {\n /** @type {?} */\n const queries = splitQueries(coerceArray(value));\n /** @type {?} */\n const observables = queries.map((/**\n * @param {?} query\n * @return {?}\n */\n query => this._registerQuery(query).observable));\n /** @type {?} */\n let stateObservable = combineLatest(observables);\n // Emit the first state immediately, and then debounce the subsequent emissions.\n stateObservable = concat(stateObservable.pipe(take(1)), stateObservable.pipe(skip(1), debounceTime(0)));\n return stateObservable.pipe(map((/**\n * @param {?} breakpointStates\n * @return {?}\n */\n (breakpointStates) => {\n /** @type {?} */\n const response = {\n matches: false,\n breakpoints: {},\n };\n breakpointStates.forEach((/**\n * @param {?} state\n * @return {?}\n */\n (state) => {\n response.matches = response.matches || state.matches;\n response.breakpoints[state.query] = state.matches;\n }));\n return response;\n })));\n }\n /**\n * Registers a specific query to be listened for.\n * @private\n * @param {?} query\n * @return {?}\n */\n _registerQuery(query) {\n // Only set up a new MediaQueryList if it is not already being listened for.\n if (this._queries.has(query)) {\n return (/** @type {?} */ (this._queries.get(query)));\n }\n /** @type {?} */\n const mql = this._mediaMatcher.matchMedia(query);\n // Create callback for match changes and add it is as a listener.\n /** @type {?} */\n const queryObservable = new Observable((/**\n * @param {?} observer\n * @return {?}\n */\n (observer) => {\n // Listener callback methods are wrapped to be placed back in ngZone. Callbacks must be placed\n // back into the zone because matchMedia is only included in Zone.js by loading the\n // webapis-media-query.js file alongside the zone.js file. Additionally, some browsers do not\n // have MediaQueryList inherit from EventTarget, which causes inconsistencies in how Zone.js\n // patches it.\n /** @type {?} */\n const handler = (/**\n * @param {?} e\n * @return {?}\n */\n (e) => this._zone.run((/**\n * @return {?}\n */\n () => observer.next(e))));\n mql.addListener(handler);\n return (/**\n * @return {?}\n */\n () => {\n mql.removeListener(handler);\n });\n })).pipe(startWith(mql), map((/**\n * @param {?} nextMql\n * @return {?}\n */\n (nextMql) => ({ query, matches: nextMql.matches }))), takeUntil(this._destroySubject));\n // Add the MediaQueryList to the set of queries.\n /** @type {?} */\n const output = { observable: queryObservable, mql };\n this._queries.set(query, output);\n return output;\n }\n}\nBreakpointObserver.decorators = [\n { type: Injectable, args: [{ providedIn: 'root' },] },\n];\n/** @nocollapse */\nBreakpointObserver.ctorParameters = () => [\n { type: MediaMatcher },\n { type: NgZone }\n];\n/** @nocollapse */ BreakpointObserver.ngInjectableDef = ɵɵdefineInjectable({ factory: function BreakpointObserver_Factory() { return new BreakpointObserver(ɵɵinject(MediaMatcher), ɵɵinject(NgZone)); }, token: BreakpointObserver, providedIn: \"root\" });\n/**\n * Split each query string into separate query strings if two queries are provided as comma\n * separated.\n * @param {?} queries\n * @return {?}\n */\nfunction splitQueries(queries) {\n return queries.map((/**\n * @param {?} query\n * @return {?}\n */\n (query) => query.split(',')))\n .reduce((/**\n * @param {?} a1\n * @param {?} a2\n * @return {?}\n */\n (a1, a2) => a1.concat(a2)))\n .map((/**\n * @param {?} query\n * @return {?}\n */\n query => query.trim()));\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n// PascalCase is being used as Breakpoints is used like an enum.\n// tslint:disable-next-line:variable-name\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n * @type {?}\n */\nconst Breakpoints = {\n XSmall: '(max-width: 599.99px)',\n Small: '(min-width: 600px) and (max-width: 959.99px)',\n Medium: '(min-width: 960px) and (max-width: 1279.99px)',\n Large: '(min-width: 1280px) and (max-width: 1919.99px)',\n XLarge: '(min-width: 1920px)',\n Handset: '(max-width: 599.99px) and (orientation: portrait), ' +\n '(max-width: 959.99px) and (orientation: landscape)',\n Tablet: '(min-width: 600px) and (max-width: 839.99px) and (orientation: portrait), ' +\n '(min-width: 960px) and (max-width: 1279.99px) and (orientation: landscape)',\n Web: '(min-width: 840px) and (orientation: portrait), ' +\n '(min-width: 1280px) and (orientation: landscape)',\n HandsetPortrait: '(max-width: 599.99px) and (orientation: portrait)',\n TabletPortrait: '(min-width: 600px) and (max-width: 839.99px) and (orientation: portrait)',\n WebPortrait: '(min-width: 840px) and (orientation: portrait)',\n HandsetLandscape: '(max-width: 959.99px) and (orientation: landscape)',\n TabletLandscape: '(min-width: 960px) and (max-width: 1279.99px) and (orientation: landscape)',\n WebLandscape: '(min-width: 1280px) and (orientation: landscape)',\n};\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n\nexport { LayoutModule, BreakpointObserver, Breakpoints, MediaMatcher };\n//# sourceMappingURL=layout.js.map\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar core_1 = require(\"@angular/core\");\nvar forms_1 = require(\"@angular/forms\");\nvar _1 = require(\"./\");\nvar MAX_VALIDATOR = {\n provide: forms_1.NG_VALIDATORS,\n useExisting: core_1.forwardRef(function () { return MaxValidator; }),\n multi: true\n};\nvar MaxValidator = (function () {\n function MaxValidator() {\n }\n MaxValidator.prototype.ngOnInit = function () {\n this.validator = _1.max(this.max);\n };\n MaxValidator.prototype.ngOnChanges = function (changes) {\n for (var key in changes) {\n if (key === 'max') {\n this.validator = _1.max(changes[key].currentValue);\n if (this.onChange)\n this.onChange();\n }\n }\n };\n MaxValidator.prototype.validate = function (c) {\n return this.validator(c);\n };\n MaxValidator.prototype.registerOnValidatorChange = function (fn) {\n this.onChange = fn;\n };\n return MaxValidator;\n}());\nMaxValidator.decorators = [\n { type: core_1.Directive, args: [{\n selector: '[max][formControlName],[max][formControl],[max][ngModel]',\n providers: [MAX_VALIDATOR]\n },] },\n];\n/** @nocollapse */\nMaxValidator.ctorParameters = function () { return []; };\nMaxValidator.propDecorators = {\n 'max': [{ type: core_1.Input },],\n};\nexports.MaxValidator = MaxValidator;\n//# sourceMappingURL=directive.js.map","import { isFunction } from './util/isFunction';\nimport { empty as emptyObserver } from './Observer';\nimport { Subscription } from './Subscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nimport { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nexport class Subscriber extends Subscription {\n constructor(destinationOrNext, error, complete) {\n super();\n this.syncErrorValue = null;\n this.syncErrorThrown = false;\n this.syncErrorThrowable = false;\n this.isStopped = false;\n switch (arguments.length) {\n case 0:\n this.destination = emptyObserver;\n break;\n case 1:\n if (!destinationOrNext) {\n this.destination = emptyObserver;\n break;\n }\n if (typeof destinationOrNext === 'object') {\n if (destinationOrNext instanceof Subscriber) {\n this.syncErrorThrowable = destinationOrNext.syncErrorThrowable;\n this.destination = destinationOrNext;\n destinationOrNext.add(this);\n }\n else {\n this.syncErrorThrowable = true;\n this.destination = new SafeSubscriber(this, destinationOrNext);\n }\n break;\n }\n default:\n this.syncErrorThrowable = true;\n this.destination = new SafeSubscriber(this, destinationOrNext, error, complete);\n break;\n }\n }\n [rxSubscriberSymbol]() { return this; }\n static create(next, error, complete) {\n const subscriber = new Subscriber(next, error, complete);\n subscriber.syncErrorThrowable = false;\n return subscriber;\n }\n next(value) {\n if (!this.isStopped) {\n this._next(value);\n }\n }\n error(err) {\n if (!this.isStopped) {\n this.isStopped = true;\n this._error(err);\n }\n }\n complete() {\n if (!this.isStopped) {\n this.isStopped = true;\n this._complete();\n }\n }\n unsubscribe() {\n if (this.closed) {\n return;\n }\n this.isStopped = true;\n super.unsubscribe();\n }\n _next(value) {\n this.destination.next(value);\n }\n _error(err) {\n this.destination.error(err);\n this.unsubscribe();\n }\n _complete() {\n this.destination.complete();\n this.unsubscribe();\n }\n _unsubscribeAndRecycle() {\n const { _parentOrParents } = this;\n this._parentOrParents = null;\n this.unsubscribe();\n this.closed = false;\n this.isStopped = false;\n this._parentOrParents = _parentOrParents;\n return this;\n }\n}\nexport class SafeSubscriber extends Subscriber {\n constructor(_parentSubscriber, observerOrNext, error, complete) {\n super();\n this._parentSubscriber = _parentSubscriber;\n let next;\n let context = this;\n if (isFunction(observerOrNext)) {\n next = observerOrNext;\n }\n else if (observerOrNext) {\n next = observerOrNext.next;\n error = observerOrNext.error;\n complete = observerOrNext.complete;\n if (observerOrNext !== emptyObserver) {\n context = Object.create(observerOrNext);\n if (isFunction(context.unsubscribe)) {\n this.add(context.unsubscribe.bind(context));\n }\n context.unsubscribe = this.unsubscribe.bind(this);\n }\n }\n this._context = context;\n this._next = next;\n this._error = error;\n this._complete = complete;\n }\n next(value) {\n if (!this.isStopped && this._next) {\n const { _parentSubscriber } = this;\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._next, value);\n }\n else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {\n this.unsubscribe();\n }\n }\n }\n error(err) {\n if (!this.isStopped) {\n const { _parentSubscriber } = this;\n const { useDeprecatedSynchronousErrorHandling } = config;\n if (this._error) {\n if (!useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._error, err);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, this._error, err);\n this.unsubscribe();\n }\n }\n else if (!_parentSubscriber.syncErrorThrowable) {\n this.unsubscribe();\n if (useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n hostReportError(err);\n }\n else {\n if (useDeprecatedSynchronousErrorHandling) {\n _parentSubscriber.syncErrorValue = err;\n _parentSubscriber.syncErrorThrown = true;\n }\n else {\n hostReportError(err);\n }\n this.unsubscribe();\n }\n }\n }\n complete() {\n if (!this.isStopped) {\n const { _parentSubscriber } = this;\n if (this._complete) {\n const wrappedComplete = () => this._complete.call(this._context);\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(wrappedComplete);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, wrappedComplete);\n this.unsubscribe();\n }\n }\n else {\n this.unsubscribe();\n }\n }\n }\n __tryOrUnsub(fn, value) {\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n this.unsubscribe();\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n }\n }\n __tryOrSetError(parent, fn, value) {\n if (!config.useDeprecatedSynchronousErrorHandling) {\n throw new Error('bad call');\n }\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n parent.syncErrorValue = err;\n parent.syncErrorThrown = true;\n return true;\n }\n else {\n hostReportError(err);\n return true;\n }\n }\n return false;\n }\n _unsubscribe() {\n const { _parentSubscriber } = this;\n this._context = null;\n this._parentSubscriber = null;\n _parentSubscriber.unsubscribe();\n }\n}\n//# sourceMappingURL=Subscriber.js.map","\"use strict\";\nfunction __export(m) {\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\n}\nObject.defineProperty(exports, \"__esModule\", { value: true });\n__export(require(\"./directive\"));\n__export(require(\"./validator\"));\n//# sourceMappingURL=index.js.map","/**\n * @license Angular v8.2.14\n * (c) 2010-2019 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { Subject, Subscription, Observable, merge as merge$1 } from 'rxjs';\nimport { share } from 'rxjs/operators';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nconst ANNOTATIONS = '__annotations__';\nconst PARAMETERS = '__parameters__';\nconst PROP_METADATA = '__prop__metadata__';\n/**\n * @suppress {globalThis}\n */\nfunction makeDecorator(name, props, parentClass, additionalProcessing, typeFn) {\n const metaCtor = makeMetadataCtor(props);\n function DecoratorFactory(...args) {\n if (this instanceof DecoratorFactory) {\n metaCtor.call(this, ...args);\n return this;\n }\n const annotationInstance = new DecoratorFactory(...args);\n return function TypeDecorator(cls) {\n if (typeFn)\n typeFn(cls, ...args);\n // Use of Object.defineProperty is important since it creates non-enumerable property which\n // prevents the property is copied during subclassing.\n const annotations = cls.hasOwnProperty(ANNOTATIONS) ?\n cls[ANNOTATIONS] :\n Object.defineProperty(cls, ANNOTATIONS, { value: [] })[ANNOTATIONS];\n annotations.push(annotationInstance);\n if (additionalProcessing)\n additionalProcessing(cls);\n return cls;\n };\n }\n if (parentClass) {\n DecoratorFactory.prototype = Object.create(parentClass.prototype);\n }\n DecoratorFactory.prototype.ngMetadataName = name;\n DecoratorFactory.annotationCls = DecoratorFactory;\n return DecoratorFactory;\n}\nfunction makeMetadataCtor(props) {\n return function ctor(...args) {\n if (props) {\n const values = props(...args);\n for (const propName in values) {\n this[propName] = values[propName];\n }\n }\n };\n}\nfunction makeParamDecorator(name, props, parentClass) {\n const metaCtor = makeMetadataCtor(props);\n function ParamDecoratorFactory(...args) {\n if (this instanceof ParamDecoratorFactory) {\n metaCtor.apply(this, args);\n return this;\n }\n const annotationInstance = new ParamDecoratorFactory(...args);\n ParamDecorator.annotation = annotationInstance;\n return ParamDecorator;\n function ParamDecorator(cls, unusedKey, index) {\n // Use of Object.defineProperty is important since it creates non-enumerable property which\n // prevents the property is copied during subclassing.\n const parameters = cls.hasOwnProperty(PARAMETERS) ?\n cls[PARAMETERS] :\n Object.defineProperty(cls, PARAMETERS, { value: [] })[PARAMETERS];\n // there might be gaps if some in between parameters do not have annotations.\n // we pad with nulls.\n while (parameters.length <= index) {\n parameters.push(null);\n }\n (parameters[index] = parameters[index] || []).push(annotationInstance);\n return cls;\n }\n }\n if (parentClass) {\n ParamDecoratorFactory.prototype = Object.create(parentClass.prototype);\n }\n ParamDecoratorFactory.prototype.ngMetadataName = name;\n ParamDecoratorFactory.annotationCls = ParamDecoratorFactory;\n return ParamDecoratorFactory;\n}\nfunction makePropDecorator(name, props, parentClass, additionalProcessing) {\n const metaCtor = makeMetadataCtor(props);\n function PropDecoratorFactory(...args) {\n if (this instanceof PropDecoratorFactory) {\n metaCtor.apply(this, args);\n return this;\n }\n const decoratorInstance = new PropDecoratorFactory(...args);\n function PropDecorator(target, name) {\n const constructor = target.constructor;\n // Use of Object.defineProperty is important since it creates non-enumerable property which\n // prevents the property is copied during subclassing.\n const meta = constructor.hasOwnProperty(PROP_METADATA) ?\n constructor[PROP_METADATA] :\n Object.defineProperty(constructor, PROP_METADATA, { value: {} })[PROP_METADATA];\n meta[name] = meta.hasOwnProperty(name) && meta[name] || [];\n meta[name].unshift(decoratorInstance);\n if (additionalProcessing)\n additionalProcessing(target, name, ...args);\n }\n return PropDecorator;\n }\n if (parentClass) {\n PropDecoratorFactory.prototype = Object.create(parentClass.prototype);\n }\n PropDecoratorFactory.prototype.ngMetadataName = name;\n PropDecoratorFactory.annotationCls = PropDecoratorFactory;\n return PropDecoratorFactory;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Type of the Inject decorator / constructor function.\n *\n * \\@publicApi\n * @record\n */\nfunction InjectDecorator() { }\n// WARNING: interface has both a type and a value, skipping emit\nconst ɵ0 = /**\n * @param {?} token\n * @return {?}\n */\n(token) => ({ token });\n/**\n * Inject decorator and metadata.\n *\n * \\@Annotation\n * \\@publicApi\n * @type {?}\n */\nconst Inject = makeParamDecorator('Inject', (ɵ0));\n/**\n * Type of the Optional decorator / constructor function.\n *\n * \\@publicApi\n * @record\n */\nfunction OptionalDecorator() { }\n// WARNING: interface has both a type and a value, skipping emit\n/**\n * Optional decorator and metadata.\n *\n * \\@Annotation\n * \\@publicApi\n * @type {?}\n */\nconst Optional = makeParamDecorator('Optional');\n/**\n * Type of the Self decorator / constructor function.\n *\n * \\@publicApi\n * @record\n */\nfunction SelfDecorator() { }\n// WARNING: interface has both a type and a value, skipping emit\n/**\n * Self decorator and metadata.\n *\n * \\@Annotation\n * \\@publicApi\n * @type {?}\n */\nconst Self = makeParamDecorator('Self');\n/**\n * Type of the SkipSelf decorator / constructor function.\n *\n * \\@publicApi\n * @record\n */\nfunction SkipSelfDecorator() { }\n// WARNING: interface has both a type and a value, skipping emit\n/**\n * SkipSelf decorator and metadata.\n *\n * \\@Annotation\n * \\@publicApi\n * @type {?}\n */\nconst SkipSelf = makeParamDecorator('SkipSelf');\n/**\n * Type of the Host decorator / constructor function.\n *\n * \\@publicApi\n * @record\n */\nfunction HostDecorator() { }\n// WARNING: interface has both a type and a value, skipping emit\n/**\n * Host decorator and metadata.\n *\n * \\@Annotation\n * \\@publicApi\n * @type {?}\n */\nconst Host = makeParamDecorator('Host');\n/**\n * Type of the Attribute decorator / constructor function.\n *\n * \\@publicApi\n * @record\n */\nfunction AttributeDecorator() { }\n// WARNING: interface has both a type and a value, skipping emit\nconst ɵ1 = /**\n * @param {?=} attributeName\n * @return {?}\n */\n(attributeName) => ({ attributeName });\n/**\n * Attribute decorator and metadata.\n *\n * \\@Annotation\n * \\@publicApi\n * @type {?}\n */\nconst Attribute = makeParamDecorator('Attribute', (ɵ1));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection flags for DI.\n *\n * @publicApi\n */\nvar InjectFlags;\n(function (InjectFlags) {\n // TODO(alxhub): make this 'const' when ngc no longer writes exports of it into ngfactory files.\n /** Check self and check parent injector if needed */\n InjectFlags[InjectFlags[\"Default\"] = 0] = \"Default\";\n /**\n * Specifies that an injector should retrieve a dependency from any injector until reaching the\n * host element of the current component. (Only used with Element Injector)\n */\n InjectFlags[InjectFlags[\"Host\"] = 1] = \"Host\";\n /** Don't ascend to ancestors of the node requesting injection. */\n InjectFlags[InjectFlags[\"Self\"] = 2] = \"Self\";\n /** Skip the node that is requesting injection. */\n InjectFlags[InjectFlags[\"SkipSelf\"] = 4] = \"SkipSelf\";\n /** Inject `defaultValue` instead if token not found. */\n InjectFlags[InjectFlags[\"Optional\"] = 8] = \"Optional\";\n})(InjectFlags || (InjectFlags = {}));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction getClosureSafeProperty(objWithPropertyToExtract) {\n for (let key in objWithPropertyToExtract) {\n if (objWithPropertyToExtract[key] === getClosureSafeProperty) {\n return key;\n }\n }\n throw Error('Could not find renamed property on target object.');\n}\n/**\n * Sets properties on a target object from a source object, but only if\n * the property doesn't already exist on the target object.\n * @param target The target to set properties on\n * @param source The source of the property keys and values to set\n */\nfunction fillProperties(target, source) {\n for (const key in source) {\n if (source.hasOwnProperty(key) && !target.hasOwnProperty(key)) {\n target[key] = source[key];\n }\n }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Construct an `InjectableDef` which defines how a token will be constructed by the DI system, and\n * in which injectors (if any) it will be available.\n *\n * This should be assigned to a static `ngInjectableDef` field on a type, which will then be an\n * `InjectableType`.\n *\n * Options:\n * * `providedIn` determines which injectors will include the injectable, by either associating it\n * with an `@NgModule` or other `InjectorType`, or by specifying that this injectable should be\n * provided in the `'root'` injector, which will be the application-level injector in most apps.\n * * `factory` gives the zero argument function which will create an instance of the injectable.\n * The factory can call `inject` to access the `Injector` and request injection of dependencies.\n *\n * @codeGenApi\n */\nfunction ɵɵdefineInjectable(opts) {\n return {\n token: opts.token, providedIn: opts.providedIn || null, factory: opts.factory,\n value: undefined,\n };\n}\n/**\n * @deprecated in v8, delete after v10. This API should be used only be generated code, and that\n * code should now use ɵɵdefineInjectable instead.\n * @publicApi\n */\nconst defineInjectable = ɵɵdefineInjectable;\n/**\n * Construct an `InjectorDef` which configures an injector.\n *\n * This should be assigned to a static `ngInjectorDef` field on a type, which will then be an\n * `InjectorType`.\n *\n * Options:\n *\n * * `factory`: an `InjectorType` is an instantiable type, so a zero argument `factory` function to\n * create the type must be provided. If that factory function needs to inject arguments, it can\n * use the `inject` function.\n * * `providers`: an optional array of providers to add to the injector. Each provider must\n * either have a factory or point to a type which has an `ngInjectableDef` static property (the\n * type must be an `InjectableType`).\n * * `imports`: an optional array of imports of other `InjectorType`s or `InjectorTypeWithModule`s\n * whose providers will also be added to the injector. Locally provided types will override\n * providers from imports.\n *\n * @publicApi\n */\nfunction ɵɵdefineInjector(options) {\n return {\n factory: options.factory, providers: options.providers || [], imports: options.imports || [],\n };\n}\n/**\n * Read the `ngInjectableDef` for `type` in a way which is immune to accidentally reading inherited\n * value.\n *\n * @param type A type which may have its own (non-inherited) `ngInjectableDef`.\n */\nfunction getInjectableDef(type) {\n const def = type[NG_INJECTABLE_DEF];\n // The definition read above may come from a base class. `hasOwnProperty` is not sufficient to\n // distinguish this case, as in older browsers (e.g. IE10) static property inheritance is\n // implemented by copying the properties.\n //\n // Instead, the ngInjectableDef's token is compared to the type, and if they don't match then the\n // property was not defined directly on the type itself, and was likely inherited. The definition\n // is only returned if the type matches the def.token.\n return def && def.token === type ? def : null;\n}\n/**\n * Read the `ngInjectableDef` for `type` or read the `ngInjectableDef` from one of its ancestors.\n *\n * @param type A type which may have `ngInjectableDef`, via inheritance.\n *\n * @deprecated Will be removed in v10, where an error will occur in the scenario if we find the\n * `ngInjectableDef` on an ancestor only.\n */\nfunction getInheritedInjectableDef(type) {\n if (type && type[NG_INJECTABLE_DEF]) {\n // TODO(FW-1307): Re-add ngDevMode when closure can handle it\n // ngDevMode &&\n console.warn(`DEPRECATED: DI is instantiating a token \"${type.name}\" that inherits its @Injectable decorator but does not provide one itself.\\n` +\n `This will become an error in v10. Please add @Injectable() to the \"${type.name}\" class.`);\n return type[NG_INJECTABLE_DEF];\n }\n else {\n return null;\n }\n}\n/**\n * Read the `ngInjectorDef` type in a way which is immune to accidentally reading inherited value.\n *\n * @param type type which may have `ngInjectorDef`\n */\nfunction getInjectorDef(type) {\n return type && type.hasOwnProperty(NG_INJECTOR_DEF) ? type[NG_INJECTOR_DEF] : null;\n}\nconst NG_INJECTABLE_DEF = getClosureSafeProperty({ ngInjectableDef: getClosureSafeProperty });\nconst NG_INJECTOR_DEF = getClosureSafeProperty({ ngInjectorDef: getClosureSafeProperty });\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction stringify(token) {\n if (typeof token === 'string') {\n return token;\n }\n if (token instanceof Array) {\n return '[' + token.map(stringify).join(', ') + ']';\n }\n if (token == null) {\n return '' + token;\n }\n if (token.overriddenName) {\n return `${token.overriddenName}`;\n }\n if (token.name) {\n return `${token.name}`;\n }\n const res = token.toString();\n if (res == null) {\n return '' + res;\n }\n const newLineIndex = res.indexOf('\\n');\n return newLineIndex === -1 ? res : res.substring(0, newLineIndex);\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * An interface that a function passed into {\\@link forwardRef} has to implement.\n *\n * \\@usageNotes\n * ### Example\n *\n * {\\@example core/di/ts/forward_ref/forward_ref_spec.ts region='forward_ref_fn'}\n * \\@publicApi\n * @record\n */\nfunction ForwardRefFn() { }\n/** @type {?} */\nconst __forward_ref__ = getClosureSafeProperty({ __forward_ref__: getClosureSafeProperty });\n/**\n * Allows to refer to references which are not yet defined.\n *\n * For instance, `forwardRef` is used when the `token` which we need to refer to for the purposes of\n * DI is declared, but not yet defined. It is also used when the `token` which we use when creating\n * a query is not yet defined.\n *\n * \\@usageNotes\n * ### Example\n * {\\@example core/di/ts/forward_ref/forward_ref_spec.ts region='forward_ref'}\n * \\@publicApi\n * @param {?} forwardRefFn\n * @return {?}\n */\nfunction forwardRef(forwardRefFn) {\n ((/** @type {?} */ (forwardRefFn))).__forward_ref__ = forwardRef;\n ((/** @type {?} */ (forwardRefFn))).toString = (/**\n * @return {?}\n */\n function () { return stringify(this()); });\n return ((/** @type {?} */ ((/** @type {?} */ (forwardRefFn)))));\n}\n/**\n * Lazily retrieves the reference value from a forwardRef.\n *\n * Acts as the identity function when given a non-forward-ref value.\n *\n * \\@usageNotes\n * ### Example\n *\n * {\\@example core/di/ts/forward_ref/forward_ref_spec.ts region='resolve_forward_ref'}\n *\n * @see `forwardRef`\n * \\@publicApi\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction resolveForwardRef(type) {\n /** @type {?} */\n const fn = type;\n if (typeof fn === 'function' && fn.hasOwnProperty(__forward_ref__) &&\n fn.__forward_ref__ === forwardRef) {\n return fn();\n }\n else {\n return type;\n }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nconst __globalThis = typeof globalThis !== 'undefined' && globalThis;\nconst __window = typeof window !== 'undefined' && window;\nconst __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&\n self instanceof WorkerGlobalScope && self;\nconst __global = typeof global !== 'undefined' && global;\n// Always use __globalThis if available, which is the spec-defined global variable across all\n// environments, then fallback to __global first, because in Node tests both __global and\n// __window may be defined and _global should be __global in that case.\nconst _global = __globalThis || __global || __window || __self;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar R3ResolvedDependencyType;\n(function (R3ResolvedDependencyType) {\n R3ResolvedDependencyType[R3ResolvedDependencyType[\"Token\"] = 0] = \"Token\";\n R3ResolvedDependencyType[R3ResolvedDependencyType[\"Attribute\"] = 1] = \"Attribute\";\n R3ResolvedDependencyType[R3ResolvedDependencyType[\"ChangeDetectorRef\"] = 2] = \"ChangeDetectorRef\";\n})(R3ResolvedDependencyType || (R3ResolvedDependencyType = {}));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction getCompilerFacade() {\n const globalNg = _global['ng'];\n if (!globalNg || !globalNg.ɵcompilerFacade) {\n throw new Error(`Angular JIT compilation failed: '@angular/compiler' not loaded!\\n` +\n ` - JIT compilation is discouraged for production use-cases! Consider AOT mode instead.\\n` +\n ` - Did you bootstrap using '@angular/platform-browser-dynamic' or '@angular/platform-server'?\\n` +\n ` - Alternatively provide the compiler with 'import \"@angular/compiler\";' before bootstrapping.`);\n }\n return globalNg.ɵcompilerFacade;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Creates a token that can be used in a DI Provider.\n *\n * Use an `InjectionToken` whenever the type you are injecting is not reified (does not have a\n * runtime representation) such as when injecting an interface, callable type, array or\n * parameterized type.\n *\n * `InjectionToken` is parameterized on `T` which is the type of object which will be returned by\n * the `Injector`. This provides additional level of type safety.\n *\n * ```\n * interface MyInterface {...}\n * var myInterface = injector.get(new InjectionToken('SomeToken'));\n * // myInterface is inferred to be MyInterface.\n * ```\n *\n * When creating an `InjectionToken`, you can optionally specify a factory function which returns\n * (possibly by creating) a default value of the parameterized type `T`. This sets up the\n * `InjectionToken` using this factory as a provider as if it was defined explicitly in the\n * application's root injector. If the factory function, which takes zero arguments, needs to inject\n * dependencies, it can do so using the `inject` function. See below for an example.\n *\n * Additionally, if a `factory` is specified you can also specify the `providedIn` option, which\n * overrides the above behavior and marks the token as belonging to a particular `\\@NgModule`. As\n * mentioned above, `'root'` is the default value for `providedIn`.\n *\n * \\@usageNotes\n * ### Basic Example\n *\n * ### Plain InjectionToken\n *\n * {\\@example core/di/ts/injector_spec.ts region='InjectionToken'}\n *\n * ### Tree-shakable InjectionToken\n *\n * {\\@example core/di/ts/injector_spec.ts region='ShakableInjectionToken'}\n *\n *\n * \\@publicApi\n * @template T\n */\nclass InjectionToken {\n /**\n * @param {?} _desc\n * @param {?=} options\n */\n constructor(_desc, options) {\n this._desc = _desc;\n /**\n * \\@internal\n */\n this.ngMetadataName = 'InjectionToken';\n /** @nocollapse */ this.ngInjectableDef = undefined;\n if (typeof options == 'number') {\n // This is a special hack to assign __NG_ELEMENT_ID__ to this instance.\n // __NG_ELEMENT_ID__ is Used by Ivy to determine bloom filter id.\n // We are using it to assign `-1` which is used to identify `Injector`.\n ((/** @type {?} */ (this))).__NG_ELEMENT_ID__ = options;\n }\n else if (options !== undefined) {\n /** @nocollapse */ this.ngInjectableDef = ɵɵdefineInjectable({\n token: this,\n providedIn: options.providedIn || 'root',\n factory: options.factory,\n });\n }\n }\n /**\n * @return {?}\n */\n toString() { return `InjectionToken ${this._desc}`; }\n}\nif (false) {\n /**\n * \\@internal\n * @type {?}\n */\n InjectionToken.prototype.ngMetadataName;\n /** @type {?} */\n InjectionToken.prototype.ngInjectableDef;\n /**\n * @type {?}\n * @protected\n */\n InjectionToken.prototype._desc;\n}\n/**\n * @record\n * @template T\n */\nfunction InjectableDefToken() { }\nif (false) {\n /** @type {?} */\n InjectableDefToken.prototype.ngInjectableDef;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * An InjectionToken that gets the current `Injector` for `createInjector()`-style injectors.\n *\n * Requesting this token instead of `Injector` allows `StaticInjector` to be tree-shaken from a\n * project.\n *\n * \\@publicApi\n * @type {?}\n */\nconst INJECTOR = new InjectionToken('INJECTOR', (/** @type {?} */ (-1)));\n/** @type {?} */\nconst _THROW_IF_NOT_FOUND = new Object();\n/** @type {?} */\nconst THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;\n/** @type {?} */\nconst NG_TEMP_TOKEN_PATH = 'ngTempTokenPath';\n/** @type {?} */\nconst NG_TOKEN_PATH = 'ngTokenPath';\n/** @type {?} */\nconst NEW_LINE = /\\n/gm;\n/** @type {?} */\nconst NO_NEW_LINE = 'ɵ';\n/** @type {?} */\nconst SOURCE = '__source';\nconst ɵ0$1 = getClosureSafeProperty;\n/** @type {?} */\nconst USE_VALUE = getClosureSafeProperty({ provide: String, useValue: ɵ0$1 });\n/**\n * Current injector value used by `inject`.\n * - `undefined`: it is an error to call `inject`\n * - `null`: `inject` can be called but there is no injector (limp-mode).\n * - Injector instance: Use the injector for resolution.\n * @type {?}\n */\nlet _currentInjector = undefined;\n/**\n * @param {?} injector\n * @return {?}\n */\nfunction setCurrentInjector(injector) {\n /** @type {?} */\n const former = _currentInjector;\n _currentInjector = injector;\n return former;\n}\n/**\n * Current implementation of inject.\n *\n * By default, it is `injectInjectorOnly`, which makes it `Injector`-only aware. It can be changed\n * to `directiveInject`, which brings in the `NodeInjector` system of ivy. It is designed this\n * way for two reasons:\n * 1. `Injector` should not depend on ivy logic.\n * 2. To maintain tree shake-ability we don't want to bring in unnecessary code.\n * @type {?}\n */\nlet _injectImplementation;\n/**\n * Sets the current inject implementation.\n * @param {?} impl\n * @return {?}\n */\nfunction setInjectImplementation(impl) {\n /** @type {?} */\n const previous = _injectImplementation;\n _injectImplementation = impl;\n return previous;\n}\n/**\n * @template T\n * @param {?} token\n * @param {?=} flags\n * @return {?}\n */\nfunction injectInjectorOnly(token, flags = InjectFlags.Default) {\n if (_currentInjector === undefined) {\n throw new Error(`inject() must be called from an injection context`);\n }\n else if (_currentInjector === null) {\n return injectRootLimpMode(token, undefined, flags);\n }\n else {\n return _currentInjector.get(token, flags & InjectFlags.Optional ? null : undefined, flags);\n }\n}\n/**\n * @template T\n * @param {?} token\n * @param {?=} flags\n * @return {?}\n */\nfunction ɵɵinject(token, flags = InjectFlags.Default) {\n return (_injectImplementation || injectInjectorOnly)(token, flags);\n}\n/**\n * Injects a token from the currently active injector.\n *\n * Must be used in the context of a factory function such as one defined for an\n * `InjectionToken`. Throws an error if not called from such a context.\n *\n * Within such a factory function, using this function to request injection of a dependency\n * is faster and more type-safe than providing an additional array of dependencies\n * (as has been common with `useFactory` providers).\n *\n * \\@param token The injection token for the dependency to be injected.\n * \\@param flags Optional flags that control how injection is executed.\n * The flags correspond to injection strategies that can be specified with\n * parameter decorators `\\@Host`, `\\@Self`, `\\@SkipSef`, and `\\@Optional`.\n * \\@return True if injection is successful, null otherwise.\n *\n * \\@usageNotes\n *\n * ### Example\n *\n * {\\@example core/di/ts/injector_spec.ts region='ShakableInjectionToken'}\n *\n * \\@publicApi\n * @type {?}\n */\nconst inject = ɵɵinject;\n/**\n * Injects `root` tokens in limp mode.\n *\n * If no injector exists, we can still inject tree-shakable providers which have `providedIn` set to\n * `\"root\"`. This is known as the limp mode injection. In such case the value is stored in the\n * `InjectableDef`.\n * @template T\n * @param {?} token\n * @param {?} notFoundValue\n * @param {?} flags\n * @return {?}\n */\nfunction injectRootLimpMode(token, notFoundValue, flags) {\n /** @type {?} */\n const injectableDef = getInjectableDef(token);\n if (injectableDef && injectableDef.providedIn == 'root') {\n return injectableDef.value === undefined ? injectableDef.value = injectableDef.factory() :\n injectableDef.value;\n }\n if (flags & InjectFlags.Optional)\n return null;\n if (notFoundValue !== undefined)\n return notFoundValue;\n throw new Error(`Injector: NOT_FOUND [${stringify(token)}]`);\n}\n/**\n * @param {?} types\n * @return {?}\n */\nfunction injectArgs(types) {\n /** @type {?} */\n const args = [];\n for (let i = 0; i < types.length; i++) {\n /** @type {?} */\n const arg = resolveForwardRef(types[i]);\n if (Array.isArray(arg)) {\n if (arg.length === 0) {\n throw new Error('Arguments array must have arguments.');\n }\n /** @type {?} */\n let type = undefined;\n /** @type {?} */\n let flags = InjectFlags.Default;\n for (let j = 0; j < arg.length; j++) {\n /** @type {?} */\n const meta = arg[j];\n if (meta instanceof Optional || meta.ngMetadataName === 'Optional' || meta === Optional) {\n flags |= InjectFlags.Optional;\n }\n else if (meta instanceof SkipSelf || meta.ngMetadataName === 'SkipSelf' || meta === SkipSelf) {\n flags |= InjectFlags.SkipSelf;\n }\n else if (meta instanceof Self || meta.ngMetadataName === 'Self' || meta === Self) {\n flags |= InjectFlags.Self;\n }\n else if (meta instanceof Inject || meta === Inject) {\n type = meta.token;\n }\n else {\n type = meta;\n }\n }\n args.push(ɵɵinject((/** @type {?} */ (type)), flags));\n }\n else {\n args.push(ɵɵinject(arg));\n }\n }\n return args;\n}\nclass NullInjector {\n /**\n * @param {?} token\n * @param {?=} notFoundValue\n * @return {?}\n */\n get(token, notFoundValue = THROW_IF_NOT_FOUND) {\n if (notFoundValue === THROW_IF_NOT_FOUND) {\n // Intentionally left behind: With dev tools open the debugger will stop here. There is no\n // reason why correctly written application should cause this exception.\n // TODO(misko): uncomment the next line once `ngDevMode` works with closure.\n // if(ngDevMode) debugger;\n /** @type {?} */\n const error = new Error(`NullInjectorError: No provider for ${stringify(token)}!`);\n error.name = 'NullInjectorError';\n throw error;\n }\n return notFoundValue;\n }\n}\n/**\n * @param {?} e\n * @param {?} token\n * @param {?} injectorErrorName\n * @param {?} source\n * @return {?}\n */\nfunction catchInjectorError(e, token, injectorErrorName, source) {\n /** @type {?} */\n const tokenPath = e[NG_TEMP_TOKEN_PATH];\n if (token[SOURCE]) {\n tokenPath.unshift(token[SOURCE]);\n }\n e.message = formatError('\\n' + e.message, tokenPath, injectorErrorName, source);\n e[NG_TOKEN_PATH] = tokenPath;\n e[NG_TEMP_TOKEN_PATH] = null;\n throw e;\n}\n/**\n * @param {?} text\n * @param {?} obj\n * @param {?} injectorErrorName\n * @param {?=} source\n * @return {?}\n */\nfunction formatError(text, obj, injectorErrorName, source = null) {\n text = text && text.charAt(0) === '\\n' && text.charAt(1) == NO_NEW_LINE ? text.substr(2) : text;\n /** @type {?} */\n let context = stringify(obj);\n if (obj instanceof Array) {\n context = obj.map(stringify).join(' -> ');\n }\n else if (typeof obj === 'object') {\n /** @type {?} */\n let parts = (/** @type {?} */ ([]));\n for (let key in obj) {\n if (obj.hasOwnProperty(key)) {\n /** @type {?} */\n let value = obj[key];\n parts.push(key + ':' + (typeof value === 'string' ? JSON.stringify(value) : stringify(value)));\n }\n }\n context = `{${parts.join(', ')}}`;\n }\n return `${injectorErrorName}${source ? '(' + source + ')' : ''}[${context}]: ${text.replace(NEW_LINE, '\\n ')}`;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * A mapping of the \\@angular/core API surface used in generated expressions to the actual symbols.\n *\n * This should be kept up to date with the public exports of \\@angular/core.\n * @type {?}\n */\nconst angularCoreDiEnv = {\n 'ɵɵdefineInjectable': ɵɵdefineInjectable,\n 'ɵɵdefineInjector': ɵɵdefineInjector,\n 'ɵɵinject': ɵɵinject,\n 'ɵɵgetFactoryOf': getFactoryOf,\n};\n/**\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction getFactoryOf(type) {\n /** @type {?} */\n const typeAny = (/** @type {?} */ (type));\n /** @type {?} */\n const def = getInjectableDef(typeAny) || getInjectorDef(typeAny);\n if (!def || def.factory === undefined) {\n return null;\n }\n return def.factory;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents an instance of an NgModule created via a {\\@link NgModuleFactory}.\n *\n * `NgModuleRef` provides access to the NgModule Instance as well other objects related to this\n * NgModule Instance.\n *\n * \\@publicApi\n * @abstract\n * @template T\n */\nclass NgModuleRef {\n}\nif (false) {\n /**\n * The injector that contains all of the providers of the NgModule.\n * @abstract\n * @return {?}\n */\n NgModuleRef.prototype.injector = function () { };\n /**\n * The ComponentFactoryResolver to get hold of the ComponentFactories\n * declared in the `entryComponents` property of the module.\n * @abstract\n * @return {?}\n */\n NgModuleRef.prototype.componentFactoryResolver = function () { };\n /**\n * The NgModule instance.\n * @abstract\n * @return {?}\n */\n NgModuleRef.prototype.instance = function () { };\n /**\n * Destroys the module instance and all of the data structures associated with it.\n * @abstract\n * @return {?}\n */\n NgModuleRef.prototype.destroy = function () { };\n /**\n * Allows to register a callback that will be called when the module is destroyed.\n * @abstract\n * @param {?} callback\n * @return {?}\n */\n NgModuleRef.prototype.onDestroy = function (callback) { };\n}\n/**\n * @record\n * @template T\n */\nfunction InternalNgModuleRef() { }\nif (false) {\n /** @type {?} */\n InternalNgModuleRef.prototype._bootstrapComponents;\n}\n/**\n * \\@publicApi\n * @abstract\n * @template T\n */\nclass NgModuleFactory {\n}\nif (false) {\n /**\n * @abstract\n * @return {?}\n */\n NgModuleFactory.prototype.moduleType = function () { };\n /**\n * @abstract\n * @param {?} parentInjector\n * @return {?}\n */\n NgModuleFactory.prototype.create = function (parentInjector) { };\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n* Equivalent to ES6 spread, add each item to an array.\n*\n* @param items The items to add\n* @param arr The array to which you want to add the items\n*/\nfunction addAllToArray(items, arr) {\n for (let i = 0; i < items.length; i++) {\n arr.push(items[i]);\n }\n}\n/**\n * Flattens an array.\n */\nfunction flatten(list, dst) {\n if (dst === undefined)\n dst = list;\n for (let i = 0; i < list.length; i++) {\n let item = list[i];\n if (Array.isArray(item)) {\n // we need to inline it.\n if (dst === list) {\n // Our assumption that the list was already flat was wrong and\n // we need to clone flat since we need to write to it.\n dst = list.slice(0, i);\n }\n flatten(item, dst);\n }\n else if (dst !== list) {\n dst.push(item);\n }\n }\n return dst;\n}\nfunction deepForEach(input, fn) {\n input.forEach(value => Array.isArray(value) ? deepForEach(value, fn) : fn(value));\n}\nfunction addToArray(arr, index, value) {\n // perf: array.push is faster than array.splice!\n if (index >= arr.length) {\n arr.push(value);\n }\n else {\n arr.splice(index, 0, value);\n }\n}\nfunction removeFromArray(arr, index) {\n // perf: array.pop is faster than array.splice!\n if (index >= arr.length - 1) {\n return arr.pop();\n }\n else {\n return arr.splice(index, 1)[0];\n }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction assertNumber(actual, msg) {\n if (typeof actual != 'number') {\n throwError(msg);\n }\n}\nfunction assertEqual(actual, expected, msg) {\n if (actual != expected) {\n throwError(msg);\n }\n}\nfunction assertNotEqual(actual, expected, msg) {\n if (actual == expected) {\n throwError(msg);\n }\n}\nfunction assertSame(actual, expected, msg) {\n if (actual !== expected) {\n throwError(msg);\n }\n}\nfunction assertNotSame(actual, expected, msg) {\n if (actual === expected) {\n throwError(msg);\n }\n}\nfunction assertLessThan(actual, expected, msg) {\n if (actual >= expected) {\n throwError(msg);\n }\n}\nfunction assertGreaterThan(actual, expected, msg) {\n if (actual <= expected) {\n throwError(msg);\n }\n}\nfunction assertNotDefined(actual, msg) {\n if (actual != null) {\n throwError(msg);\n }\n}\nfunction assertDefined(actual, msg) {\n if (actual == null) {\n throwError(msg);\n }\n}\nfunction throwError(msg) {\n // tslint:disable-next-line\n debugger; // Left intentionally for better debugger experience.\n throw new Error(`ASSERTION ERROR: ${msg}`);\n}\nfunction assertDomNode(node) {\n // If we're in a worker, `Node` will not be defined.\n assertEqual((typeof Node !== 'undefined' && node instanceof Node) ||\n (typeof node === 'object' && node != null &&\n node.constructor.name === 'WebWorkerRenderNode'), true, `The provided value must be an instance of a DOM Node but got ${stringify(node)}`);\n}\nfunction assertDataInRange(arr, index) {\n const maxLen = arr ? arr.length : 0;\n assertLessThan(index, maxLen, `Index expected to be less than ${maxLen} but got ${index}`);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction ngDevModeResetPerfCounters() {\n const locationString = typeof location !== 'undefined' ? location.toString() : '';\n const newCounters = {\n namedConstructors: locationString.indexOf('ngDevMode=namedConstructors') != -1,\n firstTemplatePass: 0,\n tNode: 0,\n tView: 0,\n rendererCreateTextNode: 0,\n rendererSetText: 0,\n rendererCreateElement: 0,\n rendererAddEventListener: 0,\n rendererSetAttribute: 0,\n rendererRemoveAttribute: 0,\n rendererSetProperty: 0,\n rendererSetClassName: 0,\n rendererAddClass: 0,\n rendererRemoveClass: 0,\n rendererSetStyle: 0,\n rendererRemoveStyle: 0,\n rendererDestroy: 0,\n rendererDestroyNode: 0,\n rendererMoveNode: 0,\n rendererRemoveNode: 0,\n rendererAppendChild: 0,\n rendererInsertBefore: 0,\n rendererCreateComment: 0,\n styleMap: 0,\n styleMapCacheMiss: 0,\n classMap: 0,\n classMapCacheMiss: 0,\n styleProp: 0,\n stylePropCacheMiss: 0,\n classProp: 0,\n classPropCacheMiss: 0,\n flushStyling: 0,\n classesApplied: 0,\n stylesApplied: 0,\n stylingWritePersistedState: 0,\n stylingReadPersistedState: 0,\n };\n // Make sure to refer to ngDevMode as ['ngDevMode'] for closure.\n const allowNgDevModeTrue = locationString.indexOf('ngDevMode=false') === -1;\n _global['ngDevMode'] = allowNgDevModeTrue && newCounters;\n return newCounters;\n}\n/**\n * This checks to see if the `ngDevMode` has been set. If yes,\n * then we honor it, otherwise we default to dev mode with additional checks.\n *\n * The idea is that unless we are doing production build where we explicitly\n * set `ngDevMode == false` we should be helping the developer by providing\n * as much early warning and errors as possible.\n *\n * NOTE: changes to the `ngDevMode` name must be synced with `compiler-cli/src/tooling.ts`.\n */\nif (typeof ngDevMode === 'undefined' || ngDevMode) {\n ngDevModeResetPerfCounters();\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @enum {number} */\nconst ChangeDetectionStrategy = {\n /**\n * Use the `CheckOnce` strategy, meaning that automatic change detection is deactivated\n * until reactivated by setting the strategy to `Default` (`CheckAlways`).\n * Change detection can still be explicitly invoked.\n * This strategy applies to all child directives and cannot be overridden.\n */\n OnPush: 0,\n /**\n * Use the default `CheckAlways` strategy, in which change detection is automatic until\n * explicitly deactivated.\n */\n Default: 1,\n};\nChangeDetectionStrategy[ChangeDetectionStrategy.OnPush] = 'OnPush';\nChangeDetectionStrategy[ChangeDetectionStrategy.Default] = 'Default';\n/** @enum {number} */\nconst ChangeDetectorStatus = {\n /**\n * A state in which, after calling `detectChanges()`, the change detector\n * state becomes `Checked`, and must be explicitly invoked or reactivated.\n */\n CheckOnce: 0,\n /**\n * A state in which change detection is skipped until the change detector mode\n * becomes `CheckOnce`.\n */\n Checked: 1,\n /**\n * A state in which change detection continues automatically until explicitly\n * deactivated.\n */\n CheckAlways: 2,\n /**\n * A state in which a change detector sub tree is not a part of the main tree and\n * should be skipped.\n */\n Detached: 3,\n /**\n * Indicates that the change detector encountered an error checking a binding\n * or calling a directive lifecycle method and is now in an inconsistent state. Change\n * detectors in this state do not detect changes.\n */\n Errored: 4,\n /**\n * Indicates that the change detector has been destroyed.\n */\n Destroyed: 5,\n};\nChangeDetectorStatus[ChangeDetectorStatus.CheckOnce] = 'CheckOnce';\nChangeDetectorStatus[ChangeDetectorStatus.Checked] = 'Checked';\nChangeDetectorStatus[ChangeDetectorStatus.CheckAlways] = 'CheckAlways';\nChangeDetectorStatus[ChangeDetectorStatus.Detached] = 'Detached';\nChangeDetectorStatus[ChangeDetectorStatus.Errored] = 'Errored';\nChangeDetectorStatus[ChangeDetectorStatus.Destroyed] = 'Destroyed';\n/**\n * Reports whether a given strategy is currently the default for change detection.\n * @see `ChangeDetectorStatus` / `ChangeDetectorRef`\n * @param {?} changeDetectionStrategy The strategy to check.\n * @return {?} True if the given strategy is the current default, false otherwise.\n */\nfunction isDefaultChangeDetectionStrategy(changeDetectionStrategy) {\n return changeDetectionStrategy == null ||\n changeDetectionStrategy === ChangeDetectionStrategy.Default;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @enum {number} */\nconst ViewEncapsulation = {\n /**\n * Emulate `Native` scoping of styles by adding an attribute containing surrogate id to the Host\n * Element and pre-processing the style rules provided via {@link Component#styles styles} or\n * {@link Component#styleUrls styleUrls}, and adding the new Host Element attribute to all\n * selectors.\n *\n * This is the default option.\n */\n Emulated: 0,\n /**\n * @deprecated v6.1.0 - use {ViewEncapsulation.ShadowDom} instead.\n * Use the native encapsulation mechanism of the renderer.\n *\n * For the DOM this means using the deprecated [Shadow DOM\n * v0](https://w3c.github.io/webcomponents/spec/shadow/) and\n * creating a ShadowRoot for Component's Host Element.\n */\n Native: 1,\n /**\n * Don't provide any template or style encapsulation.\n */\n None: 2,\n /**\n * Use Shadow DOM to encapsulate styles.\n *\n * For the DOM this means using modern [Shadow\n * DOM](https://w3c.github.io/webcomponents/spec/shadow/) and\n * creating a ShadowRoot for Component's Host Element.\n */\n ShadowDom: 3,\n};\nViewEncapsulation[ViewEncapsulation.Emulated] = 'Emulated';\nViewEncapsulation[ViewEncapsulation.Native] = 'Native';\nViewEncapsulation[ViewEncapsulation.None] = 'None';\nViewEncapsulation[ViewEncapsulation.ShadowDom] = 'ShadowDom';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Convince closure compiler that the wrapped function has no side-effects.\n *\n * Closure compiler always assumes that `toString` has no side-effects. We use this quirk to\n * allow us to execute a function but have closure compiler mark the call as no-side-effects.\n * It is important that the return value for the `noSideEffects` function be assigned\n * to something which is retained otherwise the call to `noSideEffects` will be removed by closure\n * compiler.\n */\nfunction noSideEffects(fn) {\n return '' + { toString: fn };\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * This file contains reuseable \"empty\" symbols that can be used as default return values\n * in different parts of the rendering code. Because the same symbols are returned, this\n * allows for identity checks against these values to be consistently used by the framework\n * code.\n * @type {?}\n */\nconst EMPTY_OBJ = {};\n/** @type {?} */\nconst EMPTY_ARRAY = [];\n// freezing the values prevents any code from accidentally inserting new values in\nif (typeof ngDevMode !== 'undefined' && ngDevMode) {\n // These property accesses can be ignored because ngDevMode will be set to false\n // when optimizing code and the whole if statement will be dropped.\n // tslint:disable-next-line:no-toplevel-property-access\n Object.freeze(EMPTY_OBJ);\n // tslint:disable-next-line:no-toplevel-property-access\n Object.freeze(EMPTY_ARRAY);\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/** @type {?} */\nconst NG_COMPONENT_DEF = getClosureSafeProperty({ ngComponentDef: getClosureSafeProperty });\n/** @type {?} */\nconst NG_DIRECTIVE_DEF = getClosureSafeProperty({ ngDirectiveDef: getClosureSafeProperty });\n/** @type {?} */\nconst NG_PIPE_DEF = getClosureSafeProperty({ ngPipeDef: getClosureSafeProperty });\n/** @type {?} */\nconst NG_MODULE_DEF = getClosureSafeProperty({ ngModuleDef: getClosureSafeProperty });\n/** @type {?} */\nconst NG_LOCALE_ID_DEF = getClosureSafeProperty({ ngLocaleIdDef: getClosureSafeProperty });\n/** @type {?} */\nconst NG_BASE_DEF = getClosureSafeProperty({ ngBaseDef: getClosureSafeProperty });\n// TODO(misko): This is wrong. The NG_ELEMENT_ID should never be minified.\n/**\n * If a directive is diPublic, bloomAdd sets a property on the type with this constant as\n * the key and the directive's unique ID as the value. This allows us to map directives to their\n * bloom filter bit for DI.\n * @type {?}\n */\nconst NG_ELEMENT_ID = getClosureSafeProperty({ __NG_ELEMENT_ID__: getClosureSafeProperty });\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/** @type {?} */\nlet _renderCompCount = 0;\n/**\n * Create a component definition object.\n *\n *\n * # Example\n * ```\n * class MyDirective {\n * // Generated by Angular Template Compiler\n * // [Symbol] syntax will not be supported by TypeScript until v2.7\n * static ngComponentDef = defineComponent({\n * ...\n * });\n * }\n * ```\n * \\@codeGenApi\n * @template T\n * @param {?} componentDefinition\n * @return {?}\n */\nfunction ɵɵdefineComponent(componentDefinition) {\n /** @type {?} */\n const type = componentDefinition.type;\n /** @type {?} */\n const typePrototype = type.prototype;\n /** @type {?} */\n const declaredInputs = (/** @type {?} */ ({}));\n /** @type {?} */\n const def = {\n type: type,\n providersResolver: null,\n consts: componentDefinition.consts,\n vars: componentDefinition.vars,\n factory: componentDefinition.factory,\n template: componentDefinition.template || (/** @type {?} */ (null)),\n ngContentSelectors: componentDefinition.ngContentSelectors,\n hostBindings: componentDefinition.hostBindings || null,\n contentQueries: componentDefinition.contentQueries || null,\n declaredInputs: declaredInputs,\n inputs: (/** @type {?} */ (null)),\n // assigned in noSideEffects\n outputs: (/** @type {?} */ (null)),\n // assigned in noSideEffects\n exportAs: componentDefinition.exportAs || null,\n onChanges: null,\n onInit: typePrototype.ngOnInit || null,\n doCheck: typePrototype.ngDoCheck || null,\n afterContentInit: typePrototype.ngAfterContentInit || null,\n afterContentChecked: typePrototype.ngAfterContentChecked || null,\n afterViewInit: typePrototype.ngAfterViewInit || null,\n afterViewChecked: typePrototype.ngAfterViewChecked || null,\n onDestroy: typePrototype.ngOnDestroy || null,\n onPush: componentDefinition.changeDetection === ChangeDetectionStrategy.OnPush,\n directiveDefs: (/** @type {?} */ (null)),\n // assigned in noSideEffects\n pipeDefs: (/** @type {?} */ (null)),\n // assigned in noSideEffects\n selectors: componentDefinition.selectors,\n viewQuery: componentDefinition.viewQuery || null,\n features: (/** @type {?} */ (componentDefinition.features)) || null,\n data: componentDefinition.data || {},\n // TODO(misko): convert ViewEncapsulation into const enum so that it can be used directly in the\n // next line. Also `None` should be 0 not 2.\n encapsulation: componentDefinition.encapsulation || ViewEncapsulation.Emulated,\n id: 'c',\n styles: componentDefinition.styles || EMPTY_ARRAY,\n _: (/** @type {?} */ (null)),\n setInput: null,\n schemas: componentDefinition.schemas || null,\n tView: null,\n };\n def._ = (/** @type {?} */ (noSideEffects((/**\n * @return {?}\n */\n () => {\n /** @type {?} */\n const directiveTypes = (/** @type {?} */ (componentDefinition.directives));\n /** @type {?} */\n const feature = componentDefinition.features;\n /** @type {?} */\n const pipeTypes = (/** @type {?} */ (componentDefinition.pipes));\n def.id += _renderCompCount++;\n def.inputs = invertObject(componentDefinition.inputs, declaredInputs),\n def.outputs = invertObject(componentDefinition.outputs),\n feature && feature.forEach((/**\n * @param {?} fn\n * @return {?}\n */\n (fn) => fn(def)));\n def.directiveDefs = directiveTypes ?\n (/**\n * @return {?}\n */\n () => (typeof directiveTypes === 'function' ? directiveTypes() : directiveTypes)\n .map(extractDirectiveDef)) :\n null;\n def.pipeDefs = pipeTypes ?\n (/**\n * @return {?}\n */\n () => (typeof pipeTypes === 'function' ? pipeTypes() : pipeTypes).map(extractPipeDef)) :\n null;\n // Add ngInjectableDef so components are reachable through the module injector by default\n // (unless it has already been set by the @Injectable decorator). This is mostly to\n // support injecting components in tests. In real application code, components should\n // be retrieved through the node injector, so this isn't a problem.\n if (!type.hasOwnProperty(NG_INJECTABLE_DEF)) {\n ((/** @type {?} */ (type)))[NG_INJECTABLE_DEF] =\n ɵɵdefineInjectable({ token: type, factory: (/** @type {?} */ (componentDefinition.factory)) });\n }\n }))));\n return (/** @type {?} */ (def));\n}\n/**\n * \\@codeGenApi\n * @param {?} type\n * @param {?} directives\n * @param {?} pipes\n * @return {?}\n */\nfunction ɵɵsetComponentScope(type, directives, pipes) {\n /** @type {?} */\n const def = ((/** @type {?} */ (type.ngComponentDef)));\n def.directiveDefs = (/**\n * @return {?}\n */\n () => directives.map(extractDirectiveDef));\n def.pipeDefs = (/**\n * @return {?}\n */\n () => pipes.map(extractPipeDef));\n}\n/**\n * @param {?} type\n * @return {?}\n */\nfunction extractDirectiveDef(type) {\n /** @type {?} */\n const def = getComponentDef(type) || getDirectiveDef(type);\n if (ngDevMode && !def) {\n throw new Error(`'${type.name}' is neither 'ComponentType' or 'DirectiveType'.`);\n }\n return (/** @type {?} */ (def));\n}\n/**\n * @param {?} type\n * @return {?}\n */\nfunction extractPipeDef(type) {\n /** @type {?} */\n const def = getPipeDef(type);\n if (ngDevMode && !def) {\n throw new Error(`'${type.name}' is not a 'PipeType'.`);\n }\n return (/** @type {?} */ (def));\n}\n/**\n * \\@codeGenApi\n * @template T\n * @param {?} def\n * @return {?}\n */\nfunction ɵɵdefineNgModule(def) {\n /** @type {?} */\n const res = {\n type: def.type,\n bootstrap: def.bootstrap || EMPTY_ARRAY,\n declarations: def.declarations || EMPTY_ARRAY,\n imports: def.imports || EMPTY_ARRAY,\n exports: def.exports || EMPTY_ARRAY,\n transitiveCompileScopes: null,\n schemas: def.schemas || null,\n id: def.id || null,\n };\n return (/** @type {?} */ (res));\n}\n/**\n * Adds the module metadata that is necessary to compute the module's transitive scope to an\n * existing module definition.\n *\n * Scope metadata of modules is not used in production builds, so calls to this function can be\n * marked pure to tree-shake it from the bundle, allowing for all referenced declarations\n * to become eligible for tree-shaking as well.\n *\n * \\@codeGenApi\n * @param {?} type\n * @param {?} scope\n * @return {?}\n */\nfunction ɵɵsetNgModuleScope(type, scope) {\n return (/** @type {?} */ (noSideEffects((/**\n * @return {?}\n */\n () => {\n /** @type {?} */\n /** @nocollapse */ const ngModuleDef = getNgModuleDef(type, true);\n ngModuleDef.declarations = scope.declarations || EMPTY_ARRAY;\n ngModuleDef.imports = scope.imports || EMPTY_ARRAY;\n ngModuleDef.exports = scope.exports || EMPTY_ARRAY;\n }))));\n}\n/**\n * Inverts an inputs or outputs lookup such that the keys, which were the\n * minified keys, are part of the values, and the values are parsed so that\n * the publicName of the property is the new key\n *\n * e.g. for\n *\n * ```\n * class Comp {\n * \\@Input()\n * propName1: string;\n *\n * \\@Input('publicName2')\n * declaredPropName2: number;\n * }\n * ```\n *\n * will be serialized as\n *\n * ```\n * {\n * propName1: 'propName1',\n * declaredPropName2: ['publicName2', 'declaredPropName2'],\n * }\n * ```\n *\n * which is than translated by the minifier as:\n *\n * ```\n * {\n * minifiedPropName1: 'propName1',\n * minifiedPropName2: ['publicName2', 'declaredPropName2'],\n * }\n * ```\n *\n * becomes: (public name => minifiedName)\n *\n * ```\n * {\n * 'propName1': 'minifiedPropName1',\n * 'publicName2': 'minifiedPropName2',\n * }\n * ```\n *\n * Optionally the function can take `secondary` which will result in: (public name => declared name)\n *\n * ```\n * {\n * 'propName1': 'propName1',\n * 'publicName2': 'declaredPropName2',\n * }\n * ```\n *\n * @template T\n * @param {?=} obj\n * @param {?=} secondary\n * @return {?}\n */\nfunction invertObject(obj, secondary) {\n if (obj == null)\n return (/** @type {?} */ (EMPTY_OBJ));\n /** @type {?} */\n const newLookup = {};\n for (const minifiedKey in obj) {\n if (obj.hasOwnProperty(minifiedKey)) {\n /** @type {?} */\n let publicName = (/** @type {?} */ (obj[minifiedKey]));\n /** @type {?} */\n let declaredName = publicName;\n if (Array.isArray(publicName)) {\n declaredName = publicName[1];\n publicName = publicName[0];\n }\n newLookup[publicName] = minifiedKey;\n if (secondary) {\n (secondary[publicName] = (/** @type {?} */ (declaredName)));\n }\n }\n }\n return newLookup;\n}\n/**\n * Create a base definition\n *\n * # Example\n * ```ts\n * class ShouldBeInherited {\n * static ngBaseDef = ɵɵdefineBase({\n * ...\n * })\n * }\n * ```\n *\n * \\@codeGenApi\n * @template T\n * @param {?} baseDefinition The base definition parameters\n *\n * @return {?}\n */\nfunction ɵɵdefineBase(baseDefinition) {\n /** @type {?} */\n const declaredInputs = (/** @type {?} */ ({}));\n return {\n inputs: invertObject((/** @type {?} */ (baseDefinition.inputs)), declaredInputs),\n declaredInputs: declaredInputs,\n outputs: invertObject((/** @type {?} */ (baseDefinition.outputs))),\n viewQuery: baseDefinition.viewQuery || null,\n contentQueries: baseDefinition.contentQueries || null,\n hostBindings: baseDefinition.hostBindings || null\n };\n}\n/**\n * Create a directive definition object.\n *\n * # Example\n * ```ts\n * class MyDirective {\n * // Generated by Angular Template Compiler\n * // [Symbol] syntax will not be supported by TypeScript until v2.7\n * static ngDirectiveDef = ɵɵdefineDirective({\n * ...\n * });\n * }\n * ```\n *\n * \\@codeGenApi\n * @type {?}\n */\nconst ɵɵdefineDirective = (/** @type {?} */ ((/** @type {?} */ (ɵɵdefineComponent))));\n/**\n * Create a pipe definition object.\n *\n * # Example\n * ```\n * class MyPipe implements PipeTransform {\n * // Generated by Angular Template Compiler\n * static ngPipeDef = definePipe({\n * ...\n * });\n * }\n * ```\n * \\@codeGenApi\n * @template T\n * @param {?} pipeDef Pipe definition generated by the compiler\n *\n * @return {?}\n */\nfunction ɵɵdefinePipe(pipeDef) {\n return (/** @type {?} */ (((/** @type {?} */ ({\n name: pipeDef.name,\n factory: pipeDef.factory,\n pure: pipeDef.pure !== false,\n onDestroy: pipeDef.type.prototype.ngOnDestroy || null\n })))));\n}\n/**\n * The following getter methods retrieve the definition form the type. Currently the retrieval\n * honors inheritance, but in the future we may change the rule to require that definitions are\n * explicit. This would require some sort of migration strategy.\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction getComponentDef(type) {\n return ((/** @type {?} */ (type)))[NG_COMPONENT_DEF] || null;\n}\n/**\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction getDirectiveDef(type) {\n return ((/** @type {?} */ (type)))[NG_DIRECTIVE_DEF] || null;\n}\n/**\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction getPipeDef(type) {\n return ((/** @type {?} */ (type)))[NG_PIPE_DEF] || null;\n}\n/**\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction getBaseDef(type) {\n return ((/** @type {?} */ (type)))[NG_BASE_DEF] || null;\n}\n/**\n * @template T\n * @param {?} type\n * @param {?=} throwNotFound\n * @return {?}\n */\nfunction getNgModuleDef(type, throwNotFound) {\n /** @type {?} */\n /** @nocollapse */ const ngModuleDef = ((/** @type {?} */ (type)))[NG_MODULE_DEF] || null;\n if (!ngModuleDef && throwNotFound === true) {\n throw new Error(`Type ${stringify(type)} does not have 'ngModuleDef' property.`);\n }\n return ngModuleDef;\n}\n/**\n * @param {?} type\n * @return {?}\n */\nfunction getNgLocaleIdDef(type) {\n return ((/** @type {?} */ (type)))[NG_LOCALE_ID_DEF] || null;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Below are constants for LView indices to help us look up LView members\n// without having to remember the specific indices.\n// Uglify will inline these when minifying so there shouldn't be a cost.\n/** @type {?} */\nconst HOST = 0;\n/** @type {?} */\nconst TVIEW = 1;\n/** @type {?} */\nconst FLAGS = 2;\n/** @type {?} */\nconst PARENT = 3;\n/** @type {?} */\nconst NEXT = 4;\n/** @type {?} */\nconst QUERIES = 5;\n/** @type {?} */\nconst T_HOST = 6;\n/** @type {?} */\nconst BINDING_INDEX = 7;\n/** @type {?} */\nconst CLEANUP = 8;\n/** @type {?} */\nconst CONTEXT = 9;\n/** @type {?} */\nconst INJECTOR$1 = 10;\n/** @type {?} */\nconst RENDERER_FACTORY = 11;\n/** @type {?} */\nconst RENDERER = 12;\n/** @type {?} */\nconst SANITIZER = 13;\n/** @type {?} */\nconst CHILD_HEAD = 14;\n/** @type {?} */\nconst CHILD_TAIL = 15;\n/** @type {?} */\nconst DECLARATION_VIEW = 16;\n/** @type {?} */\nconst DECLARATION_LCONTAINER = 17;\n/** @type {?} */\nconst PREORDER_HOOK_FLAGS = 18;\n/**\n * Size of LView's header. Necessary to adjust for it when setting slots.\n * @type {?}\n */\nconst HEADER_OFFSET = 19;\n/**\n * @record\n */\nfunction OpaqueViewState() { }\nif (false) {\n /** @type {?} */\n OpaqueViewState.prototype.__brand__;\n}\n/**\n * `LView` stores all of the information needed to process the instructions as\n * they are invoked from the template. Each embedded view and component view has its\n * own `LView`. When processing a particular view, we set the `viewData` to that\n * `LView`. When that view is done processing, the `viewData` is set back to\n * whatever the original `viewData` was before (the parent `LView`).\n *\n * Keeping separate state for each view facilities view insertion / deletion, so we\n * don't have to edit the data array based on which views are present.\n * @record\n */\nfunction LView() { }\nif (false) {\n /* Skipping unnamed member:\n [HOST]: RElement|null;*/\n /* Skipping unnamed member:\n readonly[TVIEW]: TView;*/\n /* Skipping unnamed member:\n [FLAGS]: LViewFlags;*/\n /* Skipping unnamed member:\n [PARENT]: LView|LContainer|null;*/\n /* Skipping unnamed member:\n [NEXT]: LView|LContainer|null;*/\n /* Skipping unnamed member:\n [QUERIES]: LQueries|null;*/\n /* Skipping unnamed member:\n [T_HOST]: TViewNode|TElementNode|null;*/\n /* Skipping unnamed member:\n [BINDING_INDEX]: number;*/\n /* Skipping unnamed member:\n [CLEANUP]: any[]|null;*/\n /* Skipping unnamed member:\n [CONTEXT]: {}|RootContext|null;*/\n /* Skipping unnamed member:\n readonly[INJECTOR]: Injector|null;*/\n /* Skipping unnamed member:\n [RENDERER_FACTORY]: RendererFactory3;*/\n /* Skipping unnamed member:\n [RENDERER]: Renderer3;*/\n /* Skipping unnamed member:\n [SANITIZER]: Sanitizer|null;*/\n /* Skipping unnamed member:\n [CHILD_HEAD]: LView|LContainer|null;*/\n /* Skipping unnamed member:\n [CHILD_TAIL]: LView|LContainer|null;*/\n /* Skipping unnamed member:\n [DECLARATION_VIEW]: LView|null;*/\n /* Skipping unnamed member:\n [DECLARATION_LCONTAINER]: LContainer|null;*/\n /* Skipping unnamed member:\n [PREORDER_HOOK_FLAGS]: PreOrderHookFlags;*/\n}\n/** @enum {number} */\nconst LViewFlags = {\n /** The state of the init phase on the first 2 bits */\n InitPhaseStateIncrementer: 1,\n InitPhaseStateMask: 3,\n /**\n * Whether or not the view is in creationMode.\n *\n * This must be stored in the view rather than using `data` as a marker so that\n * we can properly support embedded views. Otherwise, when exiting a child view\n * back into the parent view, `data` will be defined and `creationMode` will be\n * improperly reported as false.\n */\n CreationMode: 4,\n /**\n * Whether or not this LView instance is on its first processing pass.\n *\n * An LView instance is considered to be on its \"first pass\" until it\n * has completed one creation mode run and one update mode run. At this\n * time, the flag is turned off.\n */\n FirstLViewPass: 8,\n /** Whether this view has default change detection strategy (checks always) or onPush */\n CheckAlways: 16,\n /**\n * Whether or not manual change detection is turned on for onPush components.\n *\n * This is a special mode that only marks components dirty in two cases:\n * 1) There has been a change to an @Input property\n * 2) `markDirty()` has been called manually by the user\n *\n * Note that in this mode, the firing of events does NOT mark components\n * dirty automatically.\n *\n * Manual mode is turned off by default for backwards compatibility, as events\n * automatically mark OnPush components dirty in View Engine.\n *\n * TODO: Add a public API to ChangeDetectionStrategy to turn this mode on\n */\n ManualOnPush: 32,\n /** Whether or not this view is currently dirty (needing check) */\n Dirty: 64,\n /** Whether or not this view is currently attached to change detection tree. */\n Attached: 128,\n /** Whether or not this view is destroyed. */\n Destroyed: 256,\n /** Whether or not this view is the root view */\n IsRoot: 512,\n /**\n * Index of the current init phase on last 22 bits\n */\n IndexWithinInitPhaseIncrementer: 1024,\n IndexWithinInitPhaseShift: 10,\n IndexWithinInitPhaseReset: 1023,\n};\n/** @enum {number} */\nconst InitPhaseState = {\n OnInitHooksToBeRun: 0,\n AfterContentInitHooksToBeRun: 1,\n AfterViewInitHooksToBeRun: 2,\n InitPhaseCompleted: 3,\n};\n/** @enum {number} */\nconst PreOrderHookFlags = {\n /** The index of the next pre-order hook to be called in the hooks array, on the first 16\n bits */\n IndexOfTheNextPreOrderHookMaskMask: 65535,\n /**\n * The number of init hooks that have already been called, on the last 16 bits\n */\n NumberOfInitHooksCalledIncrementer: 65536,\n NumberOfInitHooksCalledShift: 16,\n NumberOfInitHooksCalledMask: 4294901760,\n};\n/**\n * Set of instructions used to process host bindings efficiently.\n *\n * See VIEW_DATA.md for more information.\n * @record\n */\nfunction ExpandoInstructions() { }\n/**\n * The static data for an LView (shared between all templates of a\n * given type).\n *\n * Stored on the `ComponentDef.tView`.\n * @record\n */\nfunction TView() { }\nif (false) {\n /**\n * ID for inline views to determine whether a view is the same as the previous view\n * in a certain position. If it's not, we know the new view needs to be inserted\n * and the one that exists needs to be removed (e.g. if/else statements)\n *\n * If this is -1, then this is a component view or a dynamically created view.\n * @type {?}\n */\n TView.prototype.id;\n /**\n * This is a blueprint used to generate LView instances for this TView. Copying this\n * blueprint is faster than creating a new LView from scratch.\n * @type {?}\n */\n TView.prototype.blueprint;\n /**\n * The template function used to refresh the view of dynamically created views\n * and components. Will be null for inline views.\n * @type {?}\n */\n TView.prototype.template;\n /**\n * A function containing query-related instructions.\n * @type {?}\n */\n TView.prototype.viewQuery;\n /**\n * Pointer to the host `TNode` (not part of this TView).\n *\n * If this is a `TViewNode` for an `LViewNode`, this is an embedded view of a container.\n * We need this pointer to be able to efficiently find this node when inserting the view\n * into an anchor.\n *\n * If this is a `TElementNode`, this is the view of a root component. It has exactly one\n * root TNode.\n *\n * If this is null, this is the view of a component that is not at root. We do not store\n * the host TNodes for child component views because they can potentially have several\n * different host TNodes, depending on where the component is being used. These host\n * TNodes cannot be shared (due to different indices, etc).\n * @type {?}\n */\n TView.prototype.node;\n /**\n * Whether or not this template has been processed.\n * @type {?}\n */\n TView.prototype.firstTemplatePass;\n /**\n * Static data equivalent of LView.data[]. Contains TNodes, PipeDefInternal or TI18n.\n * @type {?}\n */\n TView.prototype.data;\n /**\n * The binding start index is the index at which the data array\n * starts to store bindings only. Saving this value ensures that we\n * will begin reading bindings at the correct point in the array when\n * we are in update mode.\n * @type {?}\n */\n TView.prototype.bindingStartIndex;\n /**\n * The index where the \"expando\" section of `LView` begins. The expando\n * section contains injectors, directive instances, and host binding values.\n * Unlike the \"consts\" and \"vars\" sections of `LView`, the length of this\n * section cannot be calculated at compile-time because directives are matched\n * at runtime to preserve locality.\n *\n * We store this start index so we know where to start checking host bindings\n * in `setHostBindings`.\n * @type {?}\n */\n TView.prototype.expandoStartIndex;\n /**\n * Whether or not there are any static view queries tracked on this view.\n *\n * We store this so we know whether or not we should do a view query\n * refresh after creation mode to collect static query results.\n * @type {?}\n */\n TView.prototype.staticViewQueries;\n /**\n * Whether or not there are any static content queries tracked on this view.\n *\n * We store this so we know whether or not we should do a content query\n * refresh after creation mode to collect static query results.\n * @type {?}\n */\n TView.prototype.staticContentQueries;\n /**\n * A reference to the first child node located in the view.\n * @type {?}\n */\n TView.prototype.firstChild;\n /**\n * Set of instructions used to process host bindings efficiently.\n *\n * See VIEW_DATA.md for more information.\n * @type {?}\n */\n TView.prototype.expandoInstructions;\n /**\n * Full registry of directives and components that may be found in this view.\n *\n * It's necessary to keep a copy of the full def list on the TView so it's possible\n * to render template functions without a host component.\n * @type {?}\n */\n TView.prototype.directiveRegistry;\n /**\n * Full registry of pipes that may be found in this view.\n *\n * The property is either an array of `PipeDefs`s or a function which returns the array of\n * `PipeDefs`s. The function is necessary to be able to support forward declarations.\n *\n * It's necessary to keep a copy of the full def list on the TView so it's possible\n * to render template functions without a host component.\n * @type {?}\n */\n TView.prototype.pipeRegistry;\n /**\n * Array of ngOnInit, ngOnChanges and ngDoCheck hooks that should be executed for this view in\n * creation mode.\n *\n * Even indices: Directive index\n * Odd indices: Hook function\n * @type {?}\n */\n TView.prototype.preOrderHooks;\n /**\n * Array of ngOnChanges and ngDoCheck hooks that should be executed for this view in update mode.\n *\n * Even indices: Directive index\n * Odd indices: Hook function\n * @type {?}\n */\n TView.prototype.preOrderCheckHooks;\n /**\n * Array of ngAfterContentInit and ngAfterContentChecked hooks that should be executed\n * for this view in creation mode.\n *\n * Even indices: Directive index\n * Odd indices: Hook function\n * @type {?}\n */\n TView.prototype.contentHooks;\n /**\n * Array of ngAfterContentChecked hooks that should be executed for this view in update\n * mode.\n *\n * Even indices: Directive index\n * Odd indices: Hook function\n * @type {?}\n */\n TView.prototype.contentCheckHooks;\n /**\n * Array of ngAfterViewInit and ngAfterViewChecked hooks that should be executed for\n * this view in creation mode.\n *\n * Even indices: Directive index\n * Odd indices: Hook function\n * @type {?}\n */\n TView.prototype.viewHooks;\n /**\n * Array of ngAfterViewChecked hooks that should be executed for this view in\n * update mode.\n *\n * Even indices: Directive index\n * Odd indices: Hook function\n * @type {?}\n */\n TView.prototype.viewCheckHooks;\n /**\n * Array of ngOnDestroy hooks that should be executed when this view is destroyed.\n *\n * Even indices: Directive index\n * Odd indices: Hook function\n * @type {?}\n */\n TView.prototype.destroyHooks;\n /**\n * When a view is destroyed, listeners need to be released and outputs need to be\n * unsubscribed. This cleanup array stores both listener data (in chunks of 4)\n * and output data (in chunks of 2) for a particular view. Combining the arrays\n * saves on memory (70 bytes per array) and on a few bytes of code size (for two\n * separate for loops).\n *\n * If it's a native DOM listener or output subscription being stored:\n * 1st index is: event name `name = tView.cleanup[i+0]`\n * 2nd index is: index of native element or a function that retrieves global target (window,\n * document or body) reference based on the native element:\n * `typeof idxOrTargetGetter === 'function'`: global target getter function\n * `typeof idxOrTargetGetter === 'number'`: index of native element\n *\n * 3rd index is: index of listener function `listener = lView[CLEANUP][tView.cleanup[i+2]]`\n * 4th index is: `useCaptureOrIndx = tView.cleanup[i+3]`\n * `typeof useCaptureOrIndx == 'boolean' : useCapture boolean\n * `typeof useCaptureOrIndx == 'number':\n * `useCaptureOrIndx >= 0` `removeListener = LView[CLEANUP][useCaptureOrIndx]`\n * `useCaptureOrIndx < 0` `subscription = LView[CLEANUP][-useCaptureOrIndx]`\n *\n * If it's an output subscription or query list destroy hook:\n * 1st index is: output unsubscribe function / query list destroy function\n * 2nd index is: index of function context in LView.cleanupInstances[]\n * `tView.cleanup[i+0].call(lView[CLEANUP][tView.cleanup[i+1]])`\n * @type {?}\n */\n TView.prototype.cleanup;\n /**\n * A list of element indices for child components that will need to be\n * refreshed when the current view has finished its check. These indices have\n * already been adjusted for the HEADER_OFFSET.\n *\n * @type {?}\n */\n TView.prototype.components;\n /**\n * A collection of queries tracked in a given view.\n * @type {?}\n */\n TView.prototype.queries;\n /**\n * An array of indices pointing to directives with content queries alongside with the\n * corresponding\n * query index. Each entry in this array is a tuple of:\n * - index of the first content query index declared by a given directive;\n * - index of a directive.\n *\n * We are storing those indexes so we can refresh content queries as part of a view refresh\n * process.\n * @type {?}\n */\n TView.prototype.contentQueries;\n /**\n * Set of schemas that declare elements to be allowed inside the view.\n * @type {?}\n */\n TView.prototype.schemas;\n}\n/** @enum {number} */\nconst RootContextFlags = {\n Empty: 0, DetectChanges: 1, FlushPlayers: 2,\n};\n/**\n * RootContext contains information which is shared for all components which\n * were bootstrapped with {\\@link renderComponent}.\n * @record\n */\nfunction RootContext() { }\nif (false) {\n /**\n * A function used for scheduling change detection in the future. Usually\n * this is `requestAnimationFrame`.\n * @type {?}\n */\n RootContext.prototype.scheduler;\n /**\n * A promise which is resolved when all components are considered clean (not dirty).\n *\n * This promise is overwritten every time a first call to {\\@link markDirty} is invoked.\n * @type {?}\n */\n RootContext.prototype.clean;\n /**\n * RootComponents - The components that were instantiated by the call to\n * {\\@link renderComponent}.\n * @type {?}\n */\n RootContext.prototype.components;\n /**\n * The player flushing handler to kick off all animations\n * @type {?}\n */\n RootContext.prototype.playerHandler;\n /**\n * What render-related operations to run once a scheduler has been set\n * @type {?}\n */\n RootContext.prototype.flags;\n}\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\n/** @type {?} */\nconst unusedValueExportToPlacateAjd = 1;\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Special location which allows easy identification of type. If we have an array which was\n * retrieved from the `LView` and that array has `true` at `TYPE` location, we know it is\n * `LContainer`.\n * @type {?}\n */\nconst TYPE = 1;\n/**\n * Below are constants for LContainer indices to help us look up LContainer members\n * without having to remember the specific indices.\n * Uglify will inline these when minifying so there shouldn't be a cost.\n * @type {?}\n */\nconst ACTIVE_INDEX = 2;\n// PARENT and NEXT are indices 3 and 4\n// As we already have these constants in LView, we don't need to re-create them.\n/** @type {?} */\nconst MOVED_VIEWS = 5;\n// T_HOST is index 6\n// We already have this constants in LView, we don't need to re-create it.\n/** @type {?} */\nconst NATIVE = 7;\n/** @type {?} */\nconst VIEW_REFS = 8;\n/**\n * Size of LContainer's header. Represents the index after which all views in the\n * container will be inserted. We need to keep a record of current views so we know\n * which views are already in the DOM (and don't need to be re-added) and so we can\n * remove views from the DOM when they are no longer required.\n * @type {?}\n */\nconst CONTAINER_HEADER_OFFSET = 9;\n/**\n * The state associated with a container.\n *\n * This is an array so that its structure is closer to LView. This helps\n * when traversing the view tree (which is a mix of containers and component\n * views), so we can jump to viewOrContainer[NEXT] in the same way regardless\n * of type.\n * @record\n */\nfunction LContainer() { }\nif (false) {\n /* Skipping unnamed member:\n readonly[HOST]: RElement|RComment|LView;*/\n /* Skipping unnamed member:\n [TYPE]: true;*/\n /* Skipping unnamed member:\n [ACTIVE_INDEX]: number;*/\n /* Skipping unnamed member:\n [PARENT]: LView;*/\n /* Skipping unnamed member:\n [NEXT]: LView|LContainer|null;*/\n /* Skipping unnamed member:\n [MOVED_VIEWS]: LView[]|null;*/\n /* Skipping unnamed member:\n [T_HOST]: TNode;*/\n /* Skipping unnamed member:\n readonly[NATIVE]:\n RComment;*/\n /* Skipping unnamed member:\n [VIEW_REFS]: ViewRef[]|null;*/\n}\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\n/** @type {?} */\nconst unusedValueExportToPlacateAjd$1 = 1;\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * True if `value` is `LView`.\n * @param {?} value wrapped value of `RNode`, `LView`, `LContainer`\n * @return {?}\n */\nfunction isLView(value) {\n return Array.isArray(value) && typeof value[TYPE] === 'object';\n}\n/**\n * True if `value` is `LContainer`.\n * @param {?} value wrapped value of `RNode`, `LView`, `LContainer`\n * @return {?}\n */\nfunction isLContainer(value) {\n return Array.isArray(value) && value[TYPE] === true;\n}\n/**\n * @param {?} tNode\n * @return {?}\n */\nfunction isContentQueryHost(tNode) {\n return (tNode.flags & 4 /* hasContentQuery */) !== 0;\n}\n/**\n * @param {?} tNode\n * @return {?}\n */\nfunction isComponent(tNode) {\n return (tNode.flags & 1 /* isComponent */) === 1 /* isComponent */;\n}\n/**\n * @template T\n * @param {?} def\n * @return {?}\n */\nfunction isComponentDef(def) {\n return ((/** @type {?} */ (def))).template !== null;\n}\n/**\n * @param {?} target\n * @return {?}\n */\nfunction isRootView(target) {\n return (target[FLAGS] & 512 /* IsRoot */) !== 0;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @param {?} tNode\n * @param {?} lView\n * @return {?}\n */\nfunction assertTNodeForLView(tNode, lView) {\n tNode.hasOwnProperty('tView_') && assertEqual(((/** @type {?} */ ((/** @type {?} */ (tNode))))).tView_, lView[TVIEW], 'This TNode does not belong to this LView.');\n}\n/**\n * @param {?} actual\n * @param {?=} msg\n * @return {?}\n */\nfunction assertComponentType(actual, msg = 'Type passed in is not ComponentType, it does not have \\'ngComponentDef\\' property.') {\n if (!getComponentDef(actual)) {\n throwError(msg);\n }\n}\n/**\n * @param {?} actual\n * @param {?=} msg\n * @return {?}\n */\nfunction assertNgModuleType(actual, msg = 'Type passed in is not NgModuleType, it does not have \\'ngModuleDef\\' property.') {\n if (!getNgModuleDef(actual)) {\n throwError(msg);\n }\n}\n/**\n * @param {?} isParent\n * @return {?}\n */\nfunction assertPreviousIsParent(isParent) {\n assertEqual(isParent, true, 'previousOrParentTNode should be a parent');\n}\n/**\n * @param {?} tNode\n * @return {?}\n */\nfunction assertHasParent(tNode) {\n assertDefined(tNode, 'previousOrParentTNode should exist!');\n assertDefined((/** @type {?} */ (tNode)).parent, 'previousOrParentTNode should have a parent');\n}\n/**\n * @param {?} lView\n * @param {?} index\n * @param {?=} arr\n * @return {?}\n */\nfunction assertDataNext(lView, index, arr) {\n if (arr == null)\n arr = lView;\n assertEqual(arr.length, index, `index ${index} expected to be at the end of arr (length ${arr.length})`);\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction assertLContainerOrUndefined(value) {\n value && assertEqual(isLContainer(value), true, 'Expecting LContainer or undefined or null');\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction assertLContainer(value) {\n assertDefined(value, 'LContainer must be defined');\n assertEqual(isLContainer(value), true, 'Expecting LContainer');\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction assertLViewOrUndefined(value) {\n value && assertEqual(isLView(value), true, 'Expecting LView or undefined or null');\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction assertLView(value) {\n assertDefined(value, 'LView must be defined');\n assertEqual(isLView(value), true, 'Expecting LView');\n}\n/**\n * @param {?} tView\n * @param {?} errMessage\n * @return {?}\n */\nfunction assertFirstTemplatePass(tView, errMessage) {\n assertEqual(tView.firstTemplatePass, true, errMessage);\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @type {?} */\nconst TNODE = 8;\n/** @type {?} */\nconst PARENT_INJECTOR = 8;\n/** @type {?} */\nconst INJECTOR_BLOOM_PARENT_SIZE = 9;\n/**\n * Represents a relative location of parent injector.\n *\n * The interfaces encodes number of parents `LView`s to traverse and index in the `LView`\n * pointing to the parent injector.\n * @record\n */\nfunction RelativeInjectorLocation() { }\nif (false) {\n /** @type {?} */\n RelativeInjectorLocation.prototype.__brand__;\n}\n/** @enum {number} */\nconst RelativeInjectorLocationFlags = {\n InjectorIndexMask: 32767,\n ViewOffsetShift: 16,\n NO_PARENT: -1,\n};\n/** @type {?} */\nconst NO_PARENT_INJECTOR = (/** @type {?} */ (-1));\n/**\n * Each injector is saved in 9 contiguous slots in `LView` and 9 contiguous slots in\n * `TView.data`. This allows us to store information about the current node's tokens (which\n * can be shared in `TView`) as well as the tokens of its ancestor nodes (which cannot be\n * shared, so they live in `LView`).\n *\n * Each of these slots (aside from the last slot) contains a bloom filter. This bloom filter\n * determines whether a directive is available on the associated node or not. This prevents us\n * from searching the directives array at this level unless it's probable the directive is in it.\n *\n * See: https://en.wikipedia.org/wiki/Bloom_filter for more about bloom filters.\n *\n * Because all injectors have been flattened into `LView` and `TViewData`, they cannot typed\n * using interfaces as they were previously. The start index of each `LInjector` and `TInjector`\n * will differ based on where it is flattened into the main array, so it's not possible to know\n * the indices ahead of time and save their types here. The interfaces are still included here\n * for documentation purposes.\n *\n * export interface LInjector extends Array {\n *\n * // Cumulative bloom for directive IDs 0-31 (IDs are % BLOOM_SIZE)\n * [0]: number;\n *\n * // Cumulative bloom for directive IDs 32-63\n * [1]: number;\n *\n * // Cumulative bloom for directive IDs 64-95\n * [2]: number;\n *\n * // Cumulative bloom for directive IDs 96-127\n * [3]: number;\n *\n * // Cumulative bloom for directive IDs 128-159\n * [4]: number;\n *\n * // Cumulative bloom for directive IDs 160 - 191\n * [5]: number;\n *\n * // Cumulative bloom for directive IDs 192 - 223\n * [6]: number;\n *\n * // Cumulative bloom for directive IDs 224 - 255\n * [7]: number;\n *\n * // We need to store a reference to the injector's parent so DI can keep looking up\n * // the injector tree until it finds the dependency it's looking for.\n * [PARENT_INJECTOR]: number;\n * }\n *\n * export interface TInjector extends Array {\n *\n * // Shared node bloom for directive IDs 0-31 (IDs are % BLOOM_SIZE)\n * [0]: number;\n *\n * // Shared node bloom for directive IDs 32-63\n * [1]: number;\n *\n * // Shared node bloom for directive IDs 64-95\n * [2]: number;\n *\n * // Shared node bloom for directive IDs 96-127\n * [3]: number;\n *\n * // Shared node bloom for directive IDs 128-159\n * [4]: number;\n *\n * // Shared node bloom for directive IDs 160 - 191\n * [5]: number;\n *\n * // Shared node bloom for directive IDs 192 - 223\n * [6]: number;\n *\n * // Shared node bloom for directive IDs 224 - 255\n * [7]: number;\n *\n * // Necessary to find directive indices for a particular node.\n * [TNODE]: TElementNode|TElementContainerNode|TContainerNode;\n * }\n */\n/**\n * Factory for creating instances of injectors in the NodeInjector.\n *\n * This factory is complicated by the fact that it can resolve `multi` factories as well.\n *\n * NOTE: Some of the fields are optional which means that this class has two hidden classes.\n * - One without `multi` support (most common)\n * - One with `multi` values, (rare).\n *\n * Since VMs can cache up to 4 inline hidden classes this is OK.\n *\n * - Single factory: Only `resolving` and `factory` is defined.\n * - `providers` factory: `componentProviders` is a number and `index = -1`.\n * - `viewProviders` factory: `componentProviders` is a number and `index` points to `providers`.\n */\nclass NodeInjectorFactory {\n /**\n * @param {?} factory\n * @param {?} isViewProvider\n * @param {?} injectImplementation\n */\n constructor(factory, \n /**\n * Set to `true` if the token is declared in `viewProviders` (or if it is component).\n */\n isViewProvider, injectImplementation) {\n this.factory = factory;\n /**\n * Marker set to true during factory invocation to see if we get into recursive loop.\n * Recursive loop causes an error to be displayed.\n */\n this.resolving = false;\n this.canSeeViewProviders = isViewProvider;\n this.injectImpl = injectImplementation;\n }\n}\nif (false) {\n /**\n * The inject implementation to be activated when using the factory.\n * @type {?}\n */\n NodeInjectorFactory.prototype.injectImpl;\n /**\n * Marker set to true during factory invocation to see if we get into recursive loop.\n * Recursive loop causes an error to be displayed.\n * @type {?}\n */\n NodeInjectorFactory.prototype.resolving;\n /**\n * Marks that the token can see other Tokens declared in `viewProviders` on the same node.\n * @type {?}\n */\n NodeInjectorFactory.prototype.canSeeViewProviders;\n /**\n * An array of factories to use in case of `multi` provider.\n * @type {?}\n */\n NodeInjectorFactory.prototype.multi;\n /**\n * Number of `multi`-providers which belong to the component.\n *\n * This is needed because when multiple components and directives declare the `multi` provider\n * they have to be concatenated in the correct order.\n *\n * Example:\n *\n * If we have a component and directive active an a single element as declared here\n * ```\n * component:\n * provides: [ {provide: String, useValue: 'component', multi: true} ],\n * viewProvides: [ {provide: String, useValue: 'componentView', multi: true} ],\n *\n * directive:\n * provides: [ {provide: String, useValue: 'directive', multi: true} ],\n * ```\n *\n * Then the expected results are:\n *\n * ```\n * providers: ['component', 'directive']\n * viewProviders: ['component', 'componentView', 'directive']\n * ```\n *\n * The way to think about it is that the `viewProviders` have been inserted after the component\n * but before the directives, which is why we need to know how many `multi`s have been declared by\n * the component.\n * @type {?}\n */\n NodeInjectorFactory.prototype.componentProviders;\n /**\n * Current index of the Factory in the `data`. Needed for `viewProviders` and `providers` merging.\n * See `providerFactory`.\n * @type {?}\n */\n NodeInjectorFactory.prototype.index;\n /**\n * Because the same `multi` provider can be declared in `provides` and `viewProvides` it is\n * possible for `viewProvides` to shadow the `provides`. For this reason we store the\n * `provideFactory` of the `providers` so that `providers` can be extended with `viewProviders`.\n *\n * Example:\n *\n * Given:\n * ```\n * provides: [ {provide: String, useValue: 'all', multi: true} ],\n * viewProvides: [ {provide: String, useValue: 'viewOnly', multi: true} ],\n * ```\n *\n * We have to return `['all']` in case of content injection, but `['all', 'viewOnly']` in case\n * of view injection. We further have to make sure that the shared instances (in our case\n * `all`) are the exact same instance in both the content as well as the view injection. (We\n * have to make sure that we don't double instantiate.) For this reason the `viewProvides`\n * `Factory` has a pointer to the shadowed `provides` factory so that it can instantiate the\n * `providers` (`['all']`) and then extend it with `viewProviders` (`['all'] + ['viewOnly'] =\n * ['all', 'viewOnly']`).\n * @type {?}\n */\n NodeInjectorFactory.prototype.providerFactory;\n /**\n * Factory to invoke in order to create a new instance.\n * @type {?}\n */\n NodeInjectorFactory.prototype.factory;\n}\n/**\n * @param {?} obj\n * @return {?}\n */\nfunction isFactory(obj) {\n // See: https://jsperf.com/instanceof-vs-getprototypeof\n return obj !== null && typeof obj == 'object' &&\n Object.getPrototypeOf(obj) == NodeInjectorFactory.prototype;\n}\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\n/** @type {?} */\nconst unusedValueExportToPlacateAjd$2 = 1;\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @param {?} tNode\n * @param {?} type\n * @return {?}\n */\nfunction assertNodeType(tNode, type) {\n assertDefined(tNode, 'should be called with a TNode');\n assertEqual(tNode.type, type, `should be a ${typeName(type)}`);\n}\n/**\n * @param {?} tNode\n * @param {...?} types\n * @return {?}\n */\nfunction assertNodeOfPossibleTypes(tNode, ...types) {\n assertDefined(tNode, 'should be called with a TNode');\n /** @type {?} */\n const found = types.some((/**\n * @param {?} type\n * @return {?}\n */\n type => tNode.type === type));\n assertEqual(found, true, `Should be one of ${types.map(typeName).join(', ')} but got ${typeName(tNode.type)}`);\n}\n/**\n * @param {?} type\n * @return {?}\n */\nfunction typeName(type) {\n if (type == 1 /* Projection */)\n return 'Projection';\n if (type == 0 /* Container */)\n return 'Container';\n if (type == 2 /* View */)\n return 'View';\n if (type == 3 /* Element */)\n return 'Element';\n if (type == 4 /* ElementContainer */)\n return 'ElementContainer';\n return '';\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Adds all directive lifecycle hooks from the given `DirectiveDef` to the given `TView`.\n *\n * Must be run *only* on the first template pass.\n *\n * Sets up the pre-order hooks on the provided `tView`,\n * see {\\@link HookData} for details about the data structure.\n *\n * @param {?} directiveIndex The index of the directive in LView\n * @param {?} directiveDef The definition containing the hooks to setup in tView\n * @param {?} tView The current TView\n * @param {?} nodeIndex The index of the node to which the directive is attached\n * @param {?} initialPreOrderHooksLength the number of pre-order hooks already registered before the\n * current process, used to know if the node index has to be added to the array. If it is -1,\n * the node index is never added.\n * @param {?} initialPreOrderCheckHooksLength same as previous for pre-order check hooks\n * @return {?}\n */\nfunction registerPreOrderHooks(directiveIndex, directiveDef, tView, nodeIndex, initialPreOrderHooksLength, initialPreOrderCheckHooksLength) {\n ngDevMode &&\n assertEqual(tView.firstTemplatePass, true, 'Should only be called on first template pass');\n const { onChanges, onInit, doCheck } = directiveDef;\n if (initialPreOrderHooksLength >= 0 &&\n (!tView.preOrderHooks || initialPreOrderHooksLength === tView.preOrderHooks.length) &&\n (onChanges || onInit || doCheck)) {\n (tView.preOrderHooks || (tView.preOrderHooks = [])).push(nodeIndex);\n }\n if (initialPreOrderCheckHooksLength >= 0 &&\n (!tView.preOrderCheckHooks ||\n initialPreOrderCheckHooksLength === tView.preOrderCheckHooks.length) &&\n (onChanges || doCheck)) {\n (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(nodeIndex);\n }\n if (onChanges) {\n (tView.preOrderHooks || (tView.preOrderHooks = [])).push(directiveIndex, onChanges);\n (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(directiveIndex, onChanges);\n }\n if (onInit) {\n (tView.preOrderHooks || (tView.preOrderHooks = [])).push(-directiveIndex, onInit);\n }\n if (doCheck) {\n (tView.preOrderHooks || (tView.preOrderHooks = [])).push(directiveIndex, doCheck);\n (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(directiveIndex, doCheck);\n }\n}\n/**\n *\n * Loops through the directives on the provided `tNode` and queues hooks to be\n * run that are not initialization hooks.\n *\n * Should be executed during `elementEnd()` and similar to\n * preserve hook execution order. Content, view, and destroy hooks for projected\n * components and directives must be called *before* their hosts.\n *\n * Sets up the content, view, and destroy hooks on the provided `tView`,\n * see {\\@link HookData} for details about the data structure.\n *\n * NOTE: This does not set up `onChanges`, `onInit` or `doCheck`, those are set up\n * separately at `elementStart`.\n *\n * @param {?} tView The current TView\n * @param {?} tNode The TNode whose directives are to be searched for hooks to queue\n * @return {?}\n */\nfunction registerPostOrderHooks(tView, tNode) {\n if (tView.firstTemplatePass) {\n // It's necessary to loop through the directives at elementEnd() (rather than processing in\n // directiveCreate) so we can preserve the current hook order. Content, view, and destroy\n // hooks for projected components and directives must be called *before* their hosts.\n for (let i = tNode.directiveStart, end = tNode.directiveEnd; i < end; i++) {\n /** @type {?} */\n const directiveDef = (/** @type {?} */ (tView.data[i]));\n if (directiveDef.afterContentInit) {\n (tView.contentHooks || (tView.contentHooks = [])).push(-i, directiveDef.afterContentInit);\n }\n if (directiveDef.afterContentChecked) {\n (tView.contentHooks || (tView.contentHooks = [])).push(i, directiveDef.afterContentChecked);\n (tView.contentCheckHooks || (tView.contentCheckHooks = [])).push(i, directiveDef.afterContentChecked);\n }\n if (directiveDef.afterViewInit) {\n (tView.viewHooks || (tView.viewHooks = [])).push(-i, directiveDef.afterViewInit);\n }\n if (directiveDef.afterViewChecked) {\n (tView.viewHooks || (tView.viewHooks = [])).push(i, directiveDef.afterViewChecked);\n (tView.viewCheckHooks || (tView.viewCheckHooks = [])).push(i, directiveDef.afterViewChecked);\n }\n if (directiveDef.onDestroy != null) {\n (tView.destroyHooks || (tView.destroyHooks = [])).push(i, directiveDef.onDestroy);\n }\n }\n }\n}\n/**\n * Executing hooks requires complex logic as we need to deal with 2 constraints.\n *\n * 1. Init hooks (ngOnInit, ngAfterContentInit, ngAfterViewInit) must all be executed once and only\n * once, across many change detection cycles. This must be true even if some hooks throw, or if\n * some recursively trigger a change detection cycle.\n * To solve that, it is required to track the state of the execution of these init hooks.\n * This is done by storing and maintaining flags in the view: the {@link InitPhaseState},\n * and the index within that phase. They can be seen as a cursor in the following structure:\n * [[onInit1, onInit2], [afterContentInit1], [afterViewInit1, afterViewInit2, afterViewInit3]]\n * They are are stored as flags in LView[FLAGS].\n *\n * 2. Pre-order hooks can be executed in batches, because of the select instruction.\n * To be able to pause and resume their execution, we also need some state about the hook's array\n * that is being processed:\n * - the index of the next hook to be executed\n * - the number of init hooks already found in the processed part of the array\n * They are are stored as flags in LView[PREORDER_HOOK_FLAGS].\n */\n/**\n * Executes necessary hooks at the start of executing a template.\n *\n * Executes hooks that are to be run during the initialization of a directive such\n * as `onChanges`, `onInit`, and `doCheck`.\n *\n * @param {?} currentView\n * @param {?} tView Static data for the view containing the hooks to be executed\n * @param {?} checkNoChangesMode Whether or not we're in checkNoChanges mode.\n * @param {?} currentNodeIndex\n * @return {?}\n */\nfunction executePreOrderHooks(currentView, tView, checkNoChangesMode, currentNodeIndex) {\n if (!checkNoChangesMode) {\n executeHooks(currentView, tView.preOrderHooks, tView.preOrderCheckHooks, checkNoChangesMode, 0 /* OnInitHooksToBeRun */, currentNodeIndex !== undefined ? currentNodeIndex : null);\n }\n}\n/**\n * Executes hooks against the given `LView` based off of whether or not\n * This is the first pass.\n *\n * @param {?} currentView The view instance data to run the hooks against\n * @param {?} firstPassHooks An array of hooks to run if we're in the first view pass\n * @param {?} checkHooks An Array of hooks to run if we're not in the first view pass.\n * @param {?} checkNoChangesMode Whether or not we're in no changes mode.\n * @param {?} initPhaseState the current state of the init phase\n * @param {?} currentNodeIndex 3 cases depending the the value:\n * - undefined: all hooks from the array should be executed (post-order case)\n * - null: execute hooks only from the saved index until the end of the array (pre-order case, when\n * flushing the remaining hooks)\n * - number: execute hooks only from the saved index until that node index exclusive (pre-order\n * case, when executing select(number))\n * @return {?}\n */\nfunction executeHooks(currentView, firstPassHooks, checkHooks, checkNoChangesMode, initPhaseState, currentNodeIndex) {\n if (checkNoChangesMode)\n return;\n /** @type {?} */\n const hooksToCall = (currentView[FLAGS] & 3 /* InitPhaseStateMask */) === initPhaseState ?\n firstPassHooks :\n checkHooks;\n if (hooksToCall) {\n callHooks(currentView, hooksToCall, initPhaseState, currentNodeIndex);\n }\n // The init phase state must be always checked here as it may have been recursively updated\n if (currentNodeIndex == null &&\n (currentView[FLAGS] & 3 /* InitPhaseStateMask */) === initPhaseState &&\n initPhaseState !== 3 /* InitPhaseCompleted */) {\n currentView[FLAGS] &= 1023 /* IndexWithinInitPhaseReset */;\n currentView[FLAGS] += 1 /* InitPhaseStateIncrementer */;\n }\n}\n/**\n * Calls lifecycle hooks with their contexts, skipping init hooks if it's not\n * the first LView pass\n *\n * @param {?} currentView The current view\n * @param {?} arr The array in which the hooks are found\n * @param {?} initPhase\n * @param {?} currentNodeIndex 3 cases depending the the value:\n * - undefined: all hooks from the array should be executed (post-order case)\n * - null: execute hooks only from the saved index until the end of the array (pre-order case, when\n * flushing the remaining hooks)\n * - number: execute hooks only from the saved index until that node index exclusive (pre-order\n * case, when executing select(number))\n * @return {?}\n */\nfunction callHooks(currentView, arr, initPhase, currentNodeIndex) {\n /** @type {?} */\n const startIndex = currentNodeIndex !== undefined ?\n (currentView[PREORDER_HOOK_FLAGS] & 65535 /* IndexOfTheNextPreOrderHookMaskMask */) :\n 0;\n /** @type {?} */\n const nodeIndexLimit = currentNodeIndex != null ? currentNodeIndex : -1;\n /** @type {?} */\n let lastNodeIndexFound = 0;\n for (let i = startIndex; i < arr.length; i++) {\n /** @type {?} */\n const hook = (/** @type {?} */ (arr[i + 1]));\n if (typeof hook === 'number') {\n lastNodeIndexFound = (/** @type {?} */ (arr[i]));\n if (currentNodeIndex != null && lastNodeIndexFound >= currentNodeIndex) {\n break;\n }\n }\n else {\n /** @type {?} */\n const isInitHook = arr[i] < 0;\n if (isInitHook)\n currentView[PREORDER_HOOK_FLAGS] += 65536 /* NumberOfInitHooksCalledIncrementer */;\n if (lastNodeIndexFound < nodeIndexLimit || nodeIndexLimit == -1) {\n callHook(currentView, initPhase, arr, i);\n currentView[PREORDER_HOOK_FLAGS] =\n (currentView[PREORDER_HOOK_FLAGS] & 4294901760 /* NumberOfInitHooksCalledMask */) + i +\n 2;\n }\n i++;\n }\n }\n}\n/**\n * Execute one hook against the current `LView`.\n *\n * @param {?} currentView The current view\n * @param {?} initPhase\n * @param {?} arr The array in which the hooks are found\n * @param {?} i The current index within the hook data array\n * @return {?}\n */\nfunction callHook(currentView, initPhase, arr, i) {\n /** @type {?} */\n const isInitHook = arr[i] < 0;\n /** @type {?} */\n const hook = (/** @type {?} */ (arr[i + 1]));\n /** @type {?} */\n const directiveIndex = isInitHook ? -arr[i] : (/** @type {?} */ (arr[i]));\n /** @type {?} */\n const directive = currentView[directiveIndex];\n if (isInitHook) {\n /** @type {?} */\n const indexWithintInitPhase = currentView[FLAGS] >> 10 /* IndexWithinInitPhaseShift */;\n // The init phase state must be always checked here as it may have been recursively\n // updated\n if (indexWithintInitPhase <\n (currentView[PREORDER_HOOK_FLAGS] >> 16 /* NumberOfInitHooksCalledShift */) &&\n (currentView[FLAGS] & 3 /* InitPhaseStateMask */) === initPhase) {\n currentView[FLAGS] += 1024 /* IndexWithinInitPhaseIncrementer */;\n hook.call(directive);\n }\n }\n else {\n hook.call(directive);\n }\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\n/**\n * --------\n *\n * // TODO(matsko): add updateMask info\n *\n * This file contains all state-based logic for styling in Angular.\n *\n * Styling in Angular is evaluated with a series of styling-specific\n * template instructions which are called one after another each time\n * change detection occurs in Angular.\n *\n * Styling makes use of various temporary, state-based variables between\n * instructions so that it can better cache and optimize its values.\n * These values are usually populated and cleared when an element is\n * exited in change detection (once all the instructions are run for\n * that element).\n *\n * There are, however, situations where the state-based values\n * need to be stored and used at a later point. This ONLY occurs when\n * there are template-level as well as host-binding-level styling\n * instructions on the same element. The example below shows exactly\n * what could be:\n *\n * ```html\n * \n * \n * ```\n *\n * If and when this situation occurs, the current styling state is\n * stored in a storage map value and then later accessed once the\n * host bindings are evaluated. Once styling for the current element\n * is over then the map entry will be cleared.\n *\n * To learn more about the algorithm see `TStylingContext`.\n *\n * --------\n */\n/** @type {?} */\nlet _stylingState = null;\n/** @type {?} */\nconst _stateStorage = new Map();\n// this value is not used outside this file and is only here\n// as a caching check for when the element changes.\n/** @type {?} */\nlet _stylingElement = null;\n/**\n * Used as a state reference for update values between style/class binding instructions.\n * @record\n */\nfunction StylingState() { }\nif (false) {\n /** @type {?} */\n StylingState.prototype.classesBitMask;\n /** @type {?} */\n StylingState.prototype.classesIndex;\n /** @type {?} */\n StylingState.prototype.stylesBitMask;\n /** @type {?} */\n StylingState.prototype.stylesIndex;\n}\n/** @type {?} */\nconst STYLING_INDEX_START_VALUE = 1;\n/** @type {?} */\nconst BIT_MASK_START_VALUE = 0;\n/**\n * @param {?} element\n * @param {?=} readFromMap\n * @return {?}\n */\nfunction getStylingState(element, readFromMap) {\n if (!_stylingElement || element !== _stylingElement) {\n _stylingElement = element;\n if (readFromMap) {\n _stylingState = _stateStorage.get(element) || null;\n ngDevMode && ngDevMode.stylingReadPersistedState++;\n }\n _stylingState = _stylingState || {\n classesBitMask: BIT_MASK_START_VALUE,\n classesIndex: STYLING_INDEX_START_VALUE,\n stylesBitMask: BIT_MASK_START_VALUE,\n stylesIndex: STYLING_INDEX_START_VALUE,\n };\n }\n return (/** @type {?} */ (_stylingState));\n}\n/**\n * @return {?}\n */\nfunction resetStylingState() {\n _stylingState = null;\n _stylingElement = null;\n}\n/**\n * @param {?} element\n * @param {?} state\n * @return {?}\n */\nfunction storeStylingState(element, state) {\n ngDevMode && ngDevMode.stylingWritePersistedState++;\n _stateStorage.set(element, state);\n}\n/**\n * @param {?} element\n * @return {?}\n */\nfunction deleteStylingStateFromStorage(element) {\n _stateStorage.delete(element);\n}\n/**\n * @return {?}\n */\nfunction resetAllStylingState() {\n resetStylingState();\n _stateStorage.clear();\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This property will be monkey-patched on elements, components and directives\n * @type {?}\n */\nconst MONKEY_PATCH_KEY_NAME = '__ngContext__';\n/**\n * The internal view context which is specific to a given DOM element, directive or\n * component instance. Each value in here (besides the LView and element node details)\n * can be present, null or undefined. If undefined then it implies the value has not been\n * looked up yet, otherwise, if null, then a lookup was executed and nothing was found.\n *\n * Each value will get filled when the respective value is examined within the getContext\n * function. The component, element and each directive instance will share the same instance\n * of the context.\n * @record\n */\nfunction LContext() { }\nif (false) {\n /**\n * The component's parent view data.\n * @type {?}\n */\n LContext.prototype.lView;\n /**\n * The index instance of the node.\n * @type {?}\n */\n LContext.prototype.nodeIndex;\n /**\n * The instance of the DOM node that is attached to the lNode.\n * @type {?}\n */\n LContext.prototype.native;\n /**\n * The instance of the Component node.\n * @type {?}\n */\n LContext.prototype.component;\n /**\n * The list of active directives that exist on this element.\n * @type {?}\n */\n LContext.prototype.directives;\n /**\n * The map of local references (local reference name => element or directive instance) that exist\n * on this element.\n * @type {?}\n */\n LContext.prototype.localRefs;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * For efficiency reasons we often put several different data types (`RNode`, `LView`, `LContainer`)\n * in same location in `LView`. This is because we don't want to pre-allocate space for it\n * because the storage is sparse. This file contains utilities for dealing with such data types.\n *\n * How do we know what is stored at a given location in `LView`.\n * - `Array.isArray(value) === false` => `RNode` (The normal storage value)\n * - `Array.isArray(value) === true` => then the `value[0]` represents the wrapped value.\n * - `typeof value[TYPE] === 'object'` => `LView`\n * - This happens when we have a component at a given location\n * - `typeof value[TYPE] === true` => `LContainer`\n * - This happens when we have `LContainer` binding at a given location.\n *\n *\n * NOTE: it is assumed that `Array.isArray` and `typeof` operations are very efficient.\n */\n/**\n * Returns `RNode`.\n * @param {?} value wrapped value of `RNode`, `LView`, `LContainer`\n * @return {?}\n */\nfunction unwrapRNode(value) {\n while (Array.isArray(value)) {\n value = (/** @type {?} */ (value[HOST]));\n }\n return (/** @type {?} */ (value));\n}\n/**\n * Returns `LView` or `null` if not found.\n * @param {?} value wrapped value of `RNode`, `LView`, `LContainer`\n * @return {?}\n */\nfunction unwrapLView(value) {\n while (Array.isArray(value)) {\n // This check is same as `isLView()` but we don't call at as we don't want to call\n // `Array.isArray()` twice and give JITer more work for inlining.\n if (typeof value[TYPE] === 'object')\n return (/** @type {?} */ (value));\n value = (/** @type {?} */ (value[HOST]));\n }\n return null;\n}\n/**\n * Returns `LContainer` or `null` if not found.\n * @param {?} value wrapped value of `RNode`, `LView`, `LContainer`\n * @return {?}\n */\nfunction unwrapLContainer(value) {\n while (Array.isArray(value)) {\n // This check is same as `isLContainer()` but we don't call at as we don't want to call\n // `Array.isArray()` twice and give JITer more work for inlining.\n if (value[TYPE] === true)\n return (/** @type {?} */ (value));\n value = (/** @type {?} */ (value[HOST]));\n }\n return null;\n}\n/**\n * Retrieves an element value from the provided `viewData`, by unwrapping\n * from any containers, component views, or style contexts.\n * @param {?} index\n * @param {?} lView\n * @return {?}\n */\nfunction getNativeByIndex(index, lView) {\n return unwrapRNode(lView[index + HEADER_OFFSET]);\n}\n/**\n * Retrieve an `RNode` for a given `TNode` and `LView`.\n *\n * This function guarantees in dev mode to retrieve a non-null `RNode`.\n *\n * @param {?} tNode\n * @param {?} lView\n * @return {?}\n */\nfunction getNativeByTNode(tNode, lView) {\n ngDevMode && assertTNodeForLView(tNode, lView);\n ngDevMode && assertDataInRange(lView, tNode.index);\n /** @type {?} */\n const node = unwrapRNode(lView[tNode.index]);\n ngDevMode && assertDomNode(node);\n return node;\n}\n/**\n * Retrieve an `RNode` or `null` for a given `TNode` and `LView`.\n *\n * Some `TNode`s don't have associated `RNode`s. For example `Projection`\n *\n * @param {?} tNode\n * @param {?} lView\n * @return {?}\n */\nfunction getNativeByTNodeOrNull(tNode, lView) {\n ngDevMode && assertTNodeForLView(tNode, lView);\n /** @type {?} */\n const index = tNode.index;\n /** @type {?} */\n const node = index == -1 ? null : unwrapRNode(lView[index]);\n ngDevMode && node !== null && assertDomNode(node);\n return node;\n}\n/**\n * A helper function that returns `true` if a given `TNode` has any matching directives.\n * @param {?} tNode\n * @return {?}\n */\nfunction hasDirectives(tNode) {\n return tNode.directiveEnd > tNode.directiveStart;\n}\n/**\n * @param {?} index\n * @param {?} view\n * @return {?}\n */\nfunction getTNode(index, view) {\n ngDevMode && assertGreaterThan(index, -1, 'wrong index for TNode');\n ngDevMode && assertLessThan(index, view[TVIEW].data.length, 'wrong index for TNode');\n return (/** @type {?} */ (view[TVIEW].data[index + HEADER_OFFSET]));\n}\n/**\n * Retrieves a value from any `LView` or `TData`.\n * @template T\n * @param {?} view\n * @param {?} index\n * @return {?}\n */\nfunction loadInternal(view, index) {\n ngDevMode && assertDataInRange(view, index + HEADER_OFFSET);\n return view[index + HEADER_OFFSET];\n}\n/**\n * @param {?} nodeIndex\n * @param {?} hostView\n * @return {?}\n */\nfunction getComponentViewByIndex(nodeIndex, hostView) {\n // Could be an LView or an LContainer. If LContainer, unwrap to find LView.\n /** @type {?} */\n const slotValue = hostView[nodeIndex];\n /** @type {?} */\n const lView = isLView(slotValue) ? slotValue : slotValue[HOST];\n return lView;\n}\n/**\n * Returns the monkey-patch value data present on the target (which could be\n * a component, directive or a DOM node).\n * @param {?} target\n * @return {?}\n */\nfunction readPatchedData(target) {\n ngDevMode && assertDefined(target, 'Target expected');\n return target[MONKEY_PATCH_KEY_NAME];\n}\n/**\n * @param {?} target\n * @return {?}\n */\nfunction readPatchedLView(target) {\n /** @type {?} */\n const value = readPatchedData(target);\n if (value) {\n return Array.isArray(value) ? value : ((/** @type {?} */ (value))).lView;\n }\n return null;\n}\n/**\n * Returns a boolean for whether the view is attached to the change detection tree.\n *\n * Note: This determines whether a view should be checked, not whether it's inserted\n * into a container. For that, you'll want `viewAttachedToContainer` below.\n * @param {?} view\n * @return {?}\n */\nfunction viewAttachedToChangeDetector(view) {\n return (view[FLAGS] & 128 /* Attached */) === 128 /* Attached */;\n}\n/**\n * Returns a boolean for whether the view is attached to a container.\n * @param {?} view\n * @return {?}\n */\nfunction viewAttachedToContainer(view) {\n return isLContainer(view[PARENT]);\n}\n/**\n * Resets the pre-order hook flags of the view.\n * @param {?} lView the LView on which the flags are reset\n * @return {?}\n */\nfunction resetPreOrderHookFlags(lView) {\n lView[PREORDER_HOOK_FLAGS] = 0;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Store the element depth count. This is used to identify the root elements of the template\n * so that we can than attach `LView` to only those elements.\n * @type {?}\n */\nlet elementDepthCount;\n/**\n * @return {?}\n */\nfunction getElementDepthCount() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return elementDepthCount;\n}\n/**\n * @return {?}\n */\nfunction increaseElementDepthCount() {\n elementDepthCount++;\n}\n/**\n * @return {?}\n */\nfunction decreaseElementDepthCount() {\n elementDepthCount--;\n}\n/** @type {?} */\nlet currentDirectiveDef = null;\n/**\n * @return {?}\n */\nfunction getCurrentDirectiveDef() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return currentDirectiveDef;\n}\n/**\n * @param {?} def\n * @return {?}\n */\nfunction setCurrentDirectiveDef(def) {\n currentDirectiveDef = def;\n}\n/**\n * Stores whether directives should be matched to elements.\n *\n * When template contains `ngNonBindable` than we need to prevent the runtime form matching\n * directives on children of that element.\n *\n * Example:\n * ```\n * \n * Should match component / directive.\n * \n *
\n * \n * Should not match component / directive because we are in ngNonBindable.\n * \n *
\n * ```\n * @type {?}\n */\nlet bindingsEnabled;\n/**\n * @return {?}\n */\nfunction getBindingsEnabled() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return bindingsEnabled;\n}\n/**\n * Enables directive matching on elements.\n *\n * * Example:\n * ```\n * \n * Should match component / directive.\n * \n *
\n * \n * \n * Should not match component / directive because we are in ngNonBindable.\n * \n * \n *
\n * \n * \n * Should not match component / directive because we are in ngNonBindable.\n * \n * \n *
\n * ```\n *\n * \\@codeGenApi\n * @return {?}\n */\nfunction ɵɵdisableBindings() {\n bindingsEnabled = false;\n}\n/**\n * @return {?}\n */\nfunction getLView() {\n return lView;\n}\n/**\n * Used as the starting directive id value.\n *\n * All subsequent directives are incremented from this value onwards.\n * The reason why this value is `1` instead of `0` is because the `0`\n * value is reserved for the template.\n * @type {?}\n */\nconst MIN_DIRECTIVE_ID = 1;\n/** @type {?} */\nlet activeDirectiveId = MIN_DIRECTIVE_ID;\n/**\n * Position depth (with respect from leaf to root) in a directive sub-class inheritance chain.\n * @type {?}\n */\nlet activeDirectiveSuperClassDepthPosition = 0;\n/**\n * Total count of how many directives are a part of an inheritance chain.\n *\n * When directives are sub-classed (extended) from one to another, Angular\n * needs to keep track of exactly how many were encountered so it can accurately\n * generate the next directive id (once the next directive id is visited).\n * Normally the next directive id just a single incremented value from the\n * previous one, however, if the previous directive is a part of an inheritance\n * chain (a series of sub-classed directives) then the incremented value must\n * also take into account the total amount of sub-classed values.\n *\n * Note that this value resets back to zero once the next directive is\n * visited (when `incrementActiveDirectiveId` or `setActiveHostElement`\n * is called).\n * @type {?}\n */\nlet activeDirectiveSuperClassHeight = 0;\n/**\n * Sets the active directive host element and resets the directive id value\n * (when the provided elementIndex value has changed).\n *\n * @param {?=} elementIndex the element index value for the host element where\n * the directive/component instance lives\n * @return {?}\n */\nfunction setActiveHostElement(elementIndex = null) {\n if (_selectedIndex !== elementIndex) {\n setSelectedIndex(elementIndex == null ? -1 : elementIndex);\n activeDirectiveId = elementIndex == null ? 0 : MIN_DIRECTIVE_ID;\n activeDirectiveSuperClassDepthPosition = 0;\n activeDirectiveSuperClassHeight = 0;\n }\n}\n/**\n * Returns the current id value of the current directive.\n *\n * For example we have an element that has two directives on it:\n * \n *\n * dirOne->hostBindings() (id == 1)\n * dirTwo->hostBindings() (id == 2)\n *\n * Note that this is only active when `hostBinding` functions are being processed.\n *\n * Note that directive id values are specific to an element (this means that\n * the same id value could be present on another element with a completely\n * different set of directives).\n * @return {?}\n */\nfunction getActiveDirectiveId() {\n return activeDirectiveId;\n}\n/**\n * Increments the current directive id value.\n *\n * For example we have an element that has two directives on it:\n * \n *\n * dirOne->hostBindings() (index = 1)\n * // increment\n * dirTwo->hostBindings() (index = 2)\n *\n * Depending on whether or not a previous directive had any inherited\n * directives present, that value will be incremented in addition\n * to the id jumping up by one.\n *\n * Note that this is only active when `hostBinding` functions are being processed.\n *\n * Note that directive id values are specific to an element (this means that\n * the same id value could be present on another element with a completely\n * different set of directives).\n * @return {?}\n */\nfunction incrementActiveDirectiveId() {\n activeDirectiveId += 1 + activeDirectiveSuperClassHeight;\n // because we are dealing with a new directive this\n // means we have exited out of the inheritance chain\n activeDirectiveSuperClassDepthPosition = 0;\n activeDirectiveSuperClassHeight = 0;\n}\n/**\n * Set the current super class (reverse inheritance) position depth for a directive.\n *\n * For example we have two directives: Child and Other (but Child is a sub-class of Parent)\n * \n *\n * // increment\n * parentInstance->hostBindings() (depth = 1)\n * // decrement\n * childInstance->hostBindings() (depth = 0)\n * otherInstance->hostBindings() (depth = 0 b/c it's a different directive)\n *\n * Note that this is only active when `hostBinding` functions are being processed.\n * @param {?} delta\n * @return {?}\n */\nfunction adjustActiveDirectiveSuperClassDepthPosition(delta) {\n activeDirectiveSuperClassDepthPosition += delta;\n // we keep track of the height value so that when the next directive is visited\n // then Angular knows to generate a new directive id value which has taken into\n // account how many sub-class directives were a part of the previous directive.\n activeDirectiveSuperClassHeight =\n Math.max(activeDirectiveSuperClassHeight, activeDirectiveSuperClassDepthPosition);\n}\n/**\n * Returns he current depth of the super/sub class inheritance chain.\n *\n * This will return how many inherited directive/component classes\n * exist in the current chain.\n *\n * ```typescript\n * \\@Directive({ selector: '[super-dir]' })\n * class SuperDir {}\n * / selector: '[sub-dir]' })\n * class SubDir extends SuperDir {}\n *\n * // if `
` is used then the super class height is `1`\n * // if `
` is used then the super class height is `0`\n * ```\n * @return {?}\n */\nfunction getActiveDirectiveSuperClassHeight() {\n return activeDirectiveSuperClassHeight;\n}\n/**\n * Returns the current super class (reverse inheritance) depth for a directive.\n *\n * This is designed to help instruction code distinguish different hostBindings\n * calls from each other when a directive has extended from another directive.\n * Normally using the directive id value is enough, but with the case\n * of parent/sub-class directive inheritance more information is required.\n *\n * Note that this is only active when `hostBinding` functions are being processed.\n * @return {?}\n */\nfunction getActiveDirectiveSuperClassDepth() {\n return activeDirectiveSuperClassDepthPosition;\n}\n/**\n * Restores `contextViewData` to the given OpaqueViewState instance.\n *\n * Used in conjunction with the getCurrentView() instruction to save a snapshot\n * of the current view and restore it when listeners are invoked. This allows\n * walking the declaration view tree in listeners to get vars from parent views.\n *\n * \\@codeGenApi\n * @param {?} viewToRestore The OpaqueViewState instance to restore.\n *\n * @return {?}\n */\nfunction ɵɵrestoreView(viewToRestore) {\n contextLView = (/** @type {?} */ ((/** @type {?} */ (viewToRestore))));\n}\n/**\n * Used to set the parent property when nodes are created and track query results.\n * @type {?}\n */\nlet previousOrParentTNode;\n/**\n * @return {?}\n */\nfunction getPreviousOrParentTNode() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return previousOrParentTNode;\n}\n/**\n * @param {?} tNode\n * @param {?} _isParent\n * @return {?}\n */\nfunction setPreviousOrParentTNode(tNode, _isParent) {\n previousOrParentTNode = tNode;\n isParent = _isParent;\n}\n/**\n * @param {?} tNode\n * @param {?} view\n * @return {?}\n */\nfunction setTNodeAndViewData(tNode, view) {\n ngDevMode && assertLViewOrUndefined(view);\n previousOrParentTNode = tNode;\n lView = view;\n}\n/**\n * If `isParent` is:\n * - `true`: then `previousOrParentTNode` points to a parent node.\n * - `false`: then `previousOrParentTNode` points to previous node (sibling).\n * @type {?}\n */\nlet isParent;\n/**\n * @return {?}\n */\nfunction getIsParent() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return isParent;\n}\n/**\n * @return {?}\n */\nfunction setIsNotParent() {\n isParent = false;\n}\n/**\n * @return {?}\n */\nfunction setIsParent() {\n isParent = true;\n}\n/**\n * Checks whether a given view is in creation mode\n * @param {?=} view\n * @return {?}\n */\nfunction isCreationMode(view = lView) {\n return (view[FLAGS] & 4 /* CreationMode */) === 4 /* CreationMode */;\n}\n/**\n * State of the current view being processed.\n *\n * An array of nodes (text, element, container, etc), pipes, their bindings, and\n * any local variables that need to be stored between invocations.\n * @type {?}\n */\nlet lView;\n/**\n * The last viewData retrieved by nextContext().\n * Allows building nextContext() and reference() calls.\n *\n * e.g. const inner = x().$implicit; const outer = x().$implicit;\n * @type {?}\n */\nlet contextLView = (/** @type {?} */ (null));\n/**\n * @return {?}\n */\nfunction getContextLView() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return contextLView;\n}\n/**\n * In this mode, any changes in bindings will throw an ExpressionChangedAfterChecked error.\n *\n * Necessary to support ChangeDetectorRef.checkNoChanges().\n * @type {?}\n */\nlet checkNoChangesMode = false;\n/**\n * @return {?}\n */\nfunction getCheckNoChangesMode() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return checkNoChangesMode;\n}\n/**\n * @param {?} mode\n * @return {?}\n */\nfunction setCheckNoChangesMode(mode) {\n checkNoChangesMode = mode;\n}\n/**\n * The root index from which pure function instructions should calculate their binding\n * indices. In component views, this is TView.bindingStartIndex. In a host binding\n * context, this is the TView.expandoStartIndex + any dirs/hostVars before the given dir.\n * @type {?}\n */\nlet bindingRootIndex = -1;\n// top level variables should not be exported for performance reasons (PERF_NOTES.md)\n/**\n * @return {?}\n */\nfunction getBindingRoot() {\n return bindingRootIndex;\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction setBindingRoot(value) {\n bindingRootIndex = value;\n}\n/**\n * Current index of a View or Content Query which needs to be processed next.\n * We iterate over the list of Queries and increment current query index at every step.\n * @type {?}\n */\nlet currentQueryIndex = 0;\n/**\n * @return {?}\n */\nfunction getCurrentQueryIndex() {\n // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n return currentQueryIndex;\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction setCurrentQueryIndex(value) {\n currentQueryIndex = value;\n}\n/**\n * Swap the current state with a new state.\n *\n * For performance reasons we store the state in the top level of the module.\n * This way we minimize the number of properties to read. Whenever a new view\n * is entered we have to store the state for later, and when the view is\n * exited the state has to be restored\n *\n * @param {?} newView New state to become active\n * @param {?} hostTNode\n * @return {?} the previous state;\n */\nfunction enterView(newView, hostTNode) {\n ngDevMode && assertLViewOrUndefined(newView);\n /** @type {?} */\n const oldView = lView;\n if (newView) {\n /** @type {?} */\n const tView = newView[TVIEW];\n bindingRootIndex = tView.bindingStartIndex;\n }\n previousOrParentTNode = (/** @type {?} */ (hostTNode));\n isParent = true;\n lView = contextLView = newView;\n return oldView;\n}\n/**\n * @template T\n * @param {?=} level\n * @return {?}\n */\nfunction nextContextImpl(level = 1) {\n contextLView = walkUpViews(level, (/** @type {?} */ (contextLView)));\n return (/** @type {?} */ (contextLView[CONTEXT]));\n}\n/**\n * @param {?} nestingLevel\n * @param {?} currentView\n * @return {?}\n */\nfunction walkUpViews(nestingLevel, currentView) {\n while (nestingLevel > 0) {\n ngDevMode && assertDefined(currentView[DECLARATION_VIEW], 'Declaration view should be defined if nesting level is greater than 0.');\n currentView = (/** @type {?} */ (currentView[DECLARATION_VIEW]));\n nestingLevel--;\n }\n return currentView;\n}\n/**\n * Resets the application state.\n * @return {?}\n */\nfunction resetComponentState() {\n isParent = false;\n previousOrParentTNode = (/** @type {?} */ (null));\n elementDepthCount = 0;\n bindingsEnabled = true;\n setCurrentStyleSanitizer(null);\n resetAllStylingState();\n}\n/**\n * Used in lieu of enterView to make it clear when we are exiting a child view. This makes\n * the direction of traversal (up or down the view tree) a bit clearer.\n *\n * @param {?} newView New state to become active\n * @param {?} safeToRunHooks Whether the runtime is in a state where running lifecycle hooks is valid.\n * This is not always the case (for example, the application may have crashed and `leaveView` is\n * being executed while unwinding the call stack).\n * @return {?}\n */\nfunction leaveView(newView, safeToRunHooks) {\n /** @type {?} */\n const tView = lView[TVIEW];\n if (isCreationMode(lView)) {\n lView[FLAGS] &= ~4 /* CreationMode */;\n }\n else {\n try {\n resetPreOrderHookFlags(lView);\n safeToRunHooks && executeHooks(lView, tView.viewHooks, tView.viewCheckHooks, checkNoChangesMode, 2 /* AfterViewInitHooksToBeRun */, undefined);\n }\n finally {\n // Views are clean and in update mode after being checked, so these bits are cleared\n lView[FLAGS] &= ~(64 /* Dirty */ | 8 /* FirstLViewPass */);\n lView[BINDING_INDEX] = tView.bindingStartIndex;\n }\n }\n enterView(newView, null);\n}\n/** @type {?} */\nlet _selectedIndex = -1;\n/**\n * Gets the most recent index passed to {\\@link select}\n *\n * Used with {\\@link property} instruction (and more in the future) to identify the index in the\n * current `LView` to act on.\n * @return {?}\n */\nfunction getSelectedIndex() {\n return _selectedIndex;\n}\n/**\n * Sets the most recent index passed to {\\@link select}\n *\n * Used with {\\@link property} instruction (and more in the future) to identify the index in the\n * current `LView` to act on.\n * @param {?} index\n * @return {?}\n */\nfunction setSelectedIndex(index) {\n _selectedIndex = index;\n // we have now jumped to another element\n // therefore the state is stale\n resetStylingState();\n}\n/** @type {?} */\nlet _currentNamespace = null;\n/**\n * Sets the namespace used to create elements to `'http://www.w3.org/2000/svg'` in global state.\n *\n * \\@codeGenApi\n * @return {?}\n */\nfunction ɵɵnamespaceSVG() {\n _currentNamespace = 'http://www.w3.org/2000/svg';\n}\n/**\n * Sets the namespace used to create elements to `'http://www.w3.org/1998/MathML/'` in global state.\n *\n * \\@codeGenApi\n * @return {?}\n */\nfunction ɵɵnamespaceMathML() {\n _currentNamespace = 'http://www.w3.org/1998/MathML/';\n}\n/**\n * Sets the namespace used to create elements to `null`, which forces element creation to use\n * `createElement` rather than `createElementNS`.\n *\n * \\@codeGenApi\n * @return {?}\n */\nfunction ɵɵnamespaceHTML() {\n namespaceHTMLInternal();\n}\n/**\n * Sets the namespace used to create elements to `null`, which forces element creation to use\n * `createElement` rather than `createElementNS`.\n * @return {?}\n */\nfunction namespaceHTMLInternal() {\n _currentNamespace = null;\n}\n/**\n * @return {?}\n */\nfunction getNamespace() {\n return _currentNamespace;\n}\n/** @type {?} */\nlet _currentSanitizer;\n/**\n * @param {?} sanitizer\n * @return {?}\n */\nfunction setCurrentStyleSanitizer(sanitizer) {\n _currentSanitizer = sanitizer;\n}\n/**\n * @return {?}\n */\nfunction getCurrentStyleSanitizer() {\n return _currentSanitizer;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Returns whether the values are different from a change detection stand point.\n *\n * Constraints are relaxed in checkNoChanges mode. See `devModeEqual` for details.\n * @param {?} a\n * @param {?} b\n * @return {?}\n */\nfunction isDifferent(a, b) {\n // NaN is the only value that is not equal to itself so the first\n // test checks if both a and b are not NaN\n return !(a !== a && b !== b) && a !== b;\n}\n/**\n * Used for stringify render output in Ivy.\n * Important! This function is very performance-sensitive and we should\n * be extra careful not to introduce megamorphic reads in it.\n * @param {?} value\n * @return {?}\n */\nfunction renderStringify(value) {\n if (typeof value === 'string')\n return value;\n if (value == null)\n return '';\n return '' + value;\n}\n/**\n * Used to stringify a value so that it can be displayed in an error message.\n * Important! This function contains a megamorphic read and should only be\n * used for error messages.\n * @param {?} value\n * @return {?}\n */\nfunction stringifyForError(value) {\n if (typeof value === 'function')\n return value.name || value.toString();\n if (typeof value === 'object' && value != null && typeof value.type === 'function') {\n return value.type.name || value.type.toString();\n }\n return renderStringify(value);\n}\nconst ɵ0$2 = /**\n * @return {?}\n */\n() => (typeof requestAnimationFrame !== 'undefined' && requestAnimationFrame || // browser only\n setTimeout // everything else\n).bind(_global);\n/** @type {?} */\nconst defaultScheduler = ((ɵ0$2))();\n/**\n *\n * \\@codeGenApi\n * @param {?} element\n * @return {?}\n */\nfunction ɵɵresolveWindow(element) {\n return { name: 'window', target: element.ownerDocument.defaultView };\n}\n/**\n *\n * \\@codeGenApi\n * @param {?} element\n * @return {?}\n */\nfunction ɵɵresolveDocument(element) {\n return { name: 'document', target: element.ownerDocument };\n}\n/**\n *\n * \\@codeGenApi\n * @param {?} element\n * @return {?}\n */\nfunction ɵɵresolveBody(element) {\n return { name: 'body', target: element.ownerDocument.body };\n}\n/**\n * The special delimiter we use to separate property names, prefixes, and suffixes\n * in property binding metadata. See storeBindingMetadata().\n *\n * We intentionally use the Unicode \"REPLACEMENT CHARACTER\" (U+FFFD) as a delimiter\n * because it is a very uncommon character that is unlikely to be part of a user's\n * property names or interpolation strings. If it is in fact used in a property\n * binding, DebugElement.properties will not return the correct value for that\n * binding. However, there should be no runtime effect for real applications.\n *\n * This character is typically rendered as a question mark inside of a diamond.\n * See https://en.wikipedia.org/wiki/Specials_(Unicode_block)\n *\n * @type {?}\n */\nconst INTERPOLATION_DELIMITER = `�`;\n/**\n * Determines whether or not the given string is a property metadata string.\n * See storeBindingMetadata().\n * @param {?} str\n * @return {?}\n */\nfunction isPropMetadataString(str) {\n return str.indexOf(INTERPOLATION_DELIMITER) >= 0;\n}\n/**\n * Unwrap a value which might be behind a closure (for forward declaration reasons).\n * @template T\n * @param {?} value\n * @return {?}\n */\nfunction maybeUnwrapFn(value) {\n if (value instanceof Function) {\n return value();\n }\n else {\n return value;\n }\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/** @type {?} */\nconst MAP_BASED_ENTRY_PROP_NAME = '--MAP--';\n/** @type {?} */\nconst TEMPLATE_DIRECTIVE_INDEX = 0;\n/**\n * Creates a new instance of the `TStylingContext`.\n *\n * The `TStylingContext` is used as a manifest of all style or all class bindings on\n * an element. Because it is a T-level data-structure, it is only created once per\n * tNode for styles and for classes. This function allocates a new instance of a\n * `TStylingContext` with the initial values (see `interfaces.ts` for more info).\n * @param {?=} initialStyling\n * @return {?}\n */\nfunction allocTStylingContext(initialStyling) {\n // because map-based bindings deal with a dynamic set of values, there\n // is no way to know ahead of time whether or not sanitization is required.\n // For this reason the configuration will always mark sanitization as active\n // (this means that when map-based values are applied then sanitization will\n // be checked against each property).\n /** @type {?} */\n const mapBasedConfig = 1 /* SanitizationRequired */;\n return [\n initialStyling || [''],\n 0 /* Initial */,\n TEMPLATE_DIRECTIVE_INDEX,\n mapBasedConfig,\n 0,\n MAP_BASED_ENTRY_PROP_NAME,\n ];\n}\n/**\n * Sets the provided directive as the last directive index in the provided `TStylingContext`.\n *\n * Styling in Angular can be applied from the template as well as multiple sources of\n * host bindings. This means that each binding function (the template function or the\n * hostBindings functions) will generate styling instructions as well as a styling\n * apply function (i.e. `stylingApply()`). Because host bindings functions and the\n * template function are independent from one another this means that the styling apply\n * function will be called multiple times. By tracking the last directive index (which\n * is what happens in this function) the styling algorithm knows exactly when to flush\n * styling (which is when the last styling apply function is executed).\n * @param {?} context\n * @param {?} lastDirectiveIndex\n * @return {?}\n */\nfunction updateLastDirectiveIndex(context, lastDirectiveIndex) {\n if (lastDirectiveIndex === TEMPLATE_DIRECTIVE_INDEX) {\n /** @type {?} */\n const currentValue = context[2 /* LastDirectiveIndexPosition */];\n if (currentValue > TEMPLATE_DIRECTIVE_INDEX) {\n // This means that a directive or two contained a host bindings function, but\n // now the template function also contains styling. When this combination of sources\n // comes up then we need to tell the context to store the state between updates\n // (because host bindings evaluation happens after template binding evaluation).\n markContextToPersistState(context);\n }\n }\n else {\n context[2 /* LastDirectiveIndexPosition */] = lastDirectiveIndex;\n }\n}\n/**\n * @param {?} context\n * @return {?}\n */\nfunction getConfig(context) {\n return context[1 /* ConfigPosition */];\n}\n/**\n * @param {?} context\n * @param {?} value\n * @return {?}\n */\nfunction setConfig(context, value) {\n context[1 /* ConfigPosition */] = value;\n}\n/**\n * @param {?} context\n * @param {?} index\n * @return {?}\n */\nfunction getProp(context, index) {\n return (/** @type {?} */ (context[index + 2 /* PropOffset */]));\n}\n/**\n * @param {?} context\n * @param {?} index\n * @return {?}\n */\nfunction getPropConfig(context, index) {\n return ((/** @type {?} */ (context[index + 0 /* ConfigAndGuardOffset */]))) &\n 1 /* Mask */;\n}\n/**\n * @param {?} context\n * @param {?} index\n * @return {?}\n */\nfunction isSanitizationRequired(context, index) {\n return (getPropConfig(context, index) & 1 /* SanitizationRequired */) > 0;\n}\n/**\n * @param {?} context\n * @param {?} index\n * @return {?}\n */\nfunction getGuardMask(context, index) {\n /** @type {?} */\n const configGuardValue = (/** @type {?} */ (context[index + 0 /* ConfigAndGuardOffset */]));\n return configGuardValue >> 1 /* TotalBits */;\n}\n/**\n * @param {?} context\n * @param {?} index\n * @param {?} maskValue\n * @return {?}\n */\nfunction setGuardMask(context, index, maskValue) {\n /** @type {?} */\n const config = getPropConfig(context, index);\n /** @type {?} */\n const guardMask = maskValue << 1 /* TotalBits */;\n context[index + 0 /* ConfigAndGuardOffset */] = config | guardMask;\n}\n/**\n * @param {?} context\n * @param {?} index\n * @return {?}\n */\nfunction getValuesCount(context, index) {\n return (/** @type {?} */ (context[index + 1 /* ValuesCountOffset */]));\n}\n/**\n * @param {?} context\n * @param {?} index\n * @param {?} offset\n * @return {?}\n */\nfunction getBindingValue(context, index, offset) {\n return (/** @type {?} */ (context[index + 3 /* BindingsStartOffset */ + offset]));\n}\n/**\n * @param {?} context\n * @param {?} index\n * @return {?}\n */\nfunction getDefaultValue(context, index) {\n /** @type {?} */\n const valuesCount = getValuesCount(context, index);\n return (/** @type {?} */ (context[index + 3 /* BindingsStartOffset */ + valuesCount - 1]));\n}\n/**\n * Temporary function which determines whether or not a context is\n * allowed to be flushed based on the provided directive index.\n * @param {?} context\n * @param {?} index\n * @return {?}\n */\nfunction allowStylingFlush(context, index) {\n return (context && index === context[2 /* LastDirectiveIndexPosition */]) ? true :\n false;\n}\n/**\n * @param {?} context\n * @return {?}\n */\nfunction lockContext(context) {\n setConfig(context, getConfig(context) | 1 /* Locked */);\n}\n/**\n * @param {?} context\n * @return {?}\n */\nfunction isContextLocked(context) {\n return (getConfig(context) & 1 /* Locked */) > 0;\n}\n/**\n * @param {?} context\n * @return {?}\n */\nfunction stateIsPersisted(context) {\n return (getConfig(context) & 2 /* PersistStateValues */) > 0;\n}\n/**\n * @param {?} context\n * @return {?}\n */\nfunction markContextToPersistState(context) {\n setConfig(context, getConfig(context) | 2 /* PersistStateValues */);\n}\n/**\n * @param {?} context\n * @return {?}\n */\nfunction getPropValuesStartPosition(context) {\n return 6 /* MapBindingsBindingsStartPosition */ +\n context[4 /* MapBindingsValuesCountPosition */];\n}\n/**\n * @param {?} prop\n * @return {?}\n */\nfunction isMapBased(prop) {\n return prop === MAP_BASED_ENTRY_PROP_NAME;\n}\n/**\n * @param {?} a\n * @param {?} b\n * @return {?}\n */\nfunction hasValueChanged(a, b) {\n /** @type {?} */\n let compareValueA = Array.isArray(a) ? a[0 /* RawValuePosition */] : a;\n /** @type {?} */\n let compareValueB = Array.isArray(b) ? b[0 /* RawValuePosition */] : b;\n // these are special cases for String based values (which are created as artifacts\n // when sanitization is bypassed on a particular value)\n if (compareValueA instanceof String) {\n compareValueA = compareValueA.toString();\n }\n if (compareValueB instanceof String) {\n compareValueB = compareValueB.toString();\n }\n return isDifferent(compareValueA, compareValueB);\n}\n/**\n * Determines whether the provided styling value is truthy or falsy.\n * @param {?} value\n * @return {?}\n */\nfunction isStylingValueDefined(value) {\n // the reason why null is compared against is because\n // a CSS class value that is set to `false` must be\n // respected (otherwise it would be treated as falsy).\n // Empty string values are because developers usually\n // set a value to an empty string to remove it.\n return value != null && value !== '';\n}\n/**\n * @param {?} a\n * @param {?} b\n * @param {?=} separator\n * @return {?}\n */\nfunction concatString(a, b, separator = ' ') {\n return a + ((b.length && a.length) ? separator : '') + b;\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction hyphenate(value) {\n return value.replace(/[a-z][A-Z]/g, (/**\n * @param {?} v\n * @return {?}\n */\n v => v.charAt(0) + '-' + v.charAt(1))).toLowerCase();\n}\n/**\n * Returns an instance of `StylingMapArray`.\n *\n * This function is designed to find an instance of `StylingMapArray` in case it is stored\n * inside of an instance of `TStylingContext`. When a styling context is created it\n * will copy over an initial styling values from the tNode (which are stored as a\n * `StylingMapArray` on the `tNode.classes` or `tNode.styles` values).\n * @param {?} value\n * @return {?}\n */\nfunction getStylingMapArray(value) {\n return isStylingContext(value) ?\n ((/** @type {?} */ (value)))[0 /* InitialStylingValuePosition */] :\n value;\n}\n/**\n * @param {?} value\n * @return {?}\n */\nfunction isStylingContext(value) {\n // the StylingMapArray is in the format of [initial, prop, string, prop, string]\n // and this is the defining value to distinguish between arrays\n return Array.isArray(value) &&\n value.length >= 6 /* MapBindingsBindingsStartPosition */ &&\n typeof value[1] !== 'string';\n}\n/**\n * @param {?} context\n * @return {?}\n */\nfunction getInitialStylingValue(context) {\n /** @type {?} */\n const map = getStylingMapArray(context);\n return map && ((/** @type {?} */ (map[0 /* RawValuePosition */]))) || '';\n}\n/**\n * @param {?} tNode\n * @return {?}\n */\nfunction hasClassInput(tNode) {\n return (tNode.flags & 8 /* hasClassInput */) !== 0;\n}\n/**\n * @param {?} tNode\n * @return {?}\n */\nfunction hasStyleInput(tNode) {\n return (tNode.flags & 16 /* hasStyleInput */) !== 0;\n}\n/**\n * @param {?} map\n * @param {?} index\n * @return {?}\n */\nfunction getMapProp(map, index) {\n return (/** @type {?} */ (map[index + 0 /* PropOffset */]));\n}\n/**\n * @param {?} map\n * @param {?} index\n * @param {?} value\n * @return {?}\n */\nfunction setMapValue(map, index, value) {\n map[index + 1 /* ValueOffset */] = value;\n}\n/**\n * @param {?} map\n * @param {?} index\n * @return {?}\n */\nfunction getMapValue(map, index) {\n return (/** @type {?} */ (map[index + 1 /* ValueOffset */]));\n}\n/**\n * @param {?} classes\n * @return {?}\n */\nfunction forceClassesAsString(classes) {\n if (classes && typeof classes !== 'string') {\n classes = Object.keys(classes).join(' ');\n }\n return ((/** @type {?} */ (classes))) || '';\n}\n/**\n * @param {?} styles\n * @return {?}\n */\nfunction forceStylesAsString(styles) {\n /** @type {?} */\n let str = '';\n if (styles) {\n /** @type {?} */\n const props = Object.keys(styles);\n for (let i = 0; i < props.length; i++) {\n /** @type {?} */\n const prop = props[i];\n str = concatString(str, `${prop}:${styles[prop]}`, ';');\n }\n }\n return str;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The goal here is to make sure that the browser DOM API is the Renderer.\n * We do this by defining a subset of DOM API to be the renderer and than\n * use that time for rendering.\n *\n * At runtime we can then use the DOM api directly, in server or web-worker\n * it will be easy to implement such API.\n */\n/** @enum {number} */\nconst RendererStyleFlags3 = {\n Important: 1,\n DashCase: 2,\n};\nRendererStyleFlags3[RendererStyleFlags3.Important] = 'Important';\nRendererStyleFlags3[RendererStyleFlags3.DashCase] = 'DashCase';\n/**\n * Object Oriented style of API needed to create elements and text nodes.\n *\n * This is the native browser API style, e.g. operations are methods on individual objects\n * like HTMLElement. With this style, no additional code is needed as a facade\n * (reducing payload size).\n *\n * @record\n */\nfunction ObjectOrientedRenderer3() { }\nif (false) {\n /**\n * @param {?} data\n * @return {?}\n */\n ObjectOrientedRenderer3.prototype.createComment = function (data) { };\n /**\n * @param {?} tagName\n * @return {?}\n */\n ObjectOrientedRenderer3.prototype.createElement = function (tagName) { };\n /**\n * @param {?} namespace\n * @param {?} tagName\n * @return {?}\n */\n ObjectOrientedRenderer3.prototype.createElementNS = function (namespace, tagName) { };\n /**\n * @param {?} data\n * @return {?}\n */\n ObjectOrientedRenderer3.prototype.createTextNode = function (data) { };\n /**\n * @param {?} selectors\n * @return {?}\n */\n ObjectOrientedRenderer3.prototype.querySelector = function (selectors) { };\n}\n/**\n * Returns whether the `renderer` is a `ProceduralRenderer3`\n * @param {?} renderer\n * @return {?}\n */\nfunction isProceduralRenderer(renderer) {\n return !!(((/** @type {?} */ (renderer))).listen);\n}\n/**\n * Procedural style of API needed to create elements and text nodes.\n *\n * In non-native browser environments (e.g. platforms such as web-workers), this is the\n * facade that enables element manipulation. This also facilitates backwards compatibility\n * with Renderer2.\n * @record\n */\nfunction ProceduralRenderer3() { }\nif (false) {\n /**\n * This property is allowed to be null / undefined,\n * in which case the view engine won't call it.\n * This is used as a performance optimization for production mode.\n * @type {?|undefined}\n */\n ProceduralRenderer3.prototype.destroyNode;\n /**\n * @return {?}\n */\n ProceduralRenderer3.prototype.destroy = function () { };\n /**\n * @param {?} value\n * @return {?}\n */\n ProceduralRenderer3.prototype.createComment = function (value) { };\n /**\n * @param {?} name\n * @param {?=} namespace\n * @return {?}\n */\n ProceduralRenderer3.prototype.createElement = function (name, namespace) { };\n /**\n * @param {?} value\n * @return {?}\n */\n ProceduralRenderer3.prototype.createText = function (value) { };\n /**\n * @param {?} parent\n * @param {?} newChild\n * @return {?}\n */\n ProceduralRenderer3.prototype.appendChild = function (parent, newChild) { };\n /**\n * @param {?} parent\n * @param {?} newChild\n * @param {?} refChild\n * @return {?}\n */\n ProceduralRenderer3.prototype.insertBefore = function (parent, newChild, refChild) { };\n /**\n * @param {?} parent\n * @param {?} oldChild\n * @param {?=} isHostElement\n * @return {?}\n */\n ProceduralRenderer3.prototype.removeChild = function (parent, oldChild, isHostElement) { };\n /**\n * @param {?} selectorOrNode\n * @return {?}\n */\n ProceduralRenderer3.prototype.selectRootElement = function (selectorOrNode) { };\n /**\n * @param {?} node\n * @return {?}\n */\n ProceduralRenderer3.prototype.parentNode = function (node) { };\n /**\n * @param {?} node\n * @return {?}\n */\n ProceduralRenderer3.prototype.nextSibling = function (node) { };\n /**\n * @param {?} el\n * @param {?} name\n * @param {?} value\n * @param {?=} namespace\n * @return {?}\n */\n ProceduralRenderer3.prototype.setAttribute = function (el, name, value, namespace) { };\n /**\n * @param {?} el\n * @param {?} name\n * @param {?=} namespace\n * @return {?}\n */\n ProceduralRenderer3.prototype.removeAttribute = function (el, name, namespace) { };\n /**\n * @param {?} el\n * @param {?} name\n * @return {?}\n */\n ProceduralRenderer3.prototype.addClass = function (el, name) { };\n /**\n * @param {?} el\n * @param {?} name\n * @return {?}\n */\n ProceduralRenderer3.prototype.removeClass = function (el, name) { };\n /**\n * @param {?} el\n * @param {?} style\n * @param {?} value\n * @param {?=} flags\n * @return {?}\n */\n ProceduralRenderer3.prototype.setStyle = function (el, style, value, flags) { };\n /**\n * @param {?} el\n * @param {?} style\n * @param {?=} flags\n * @return {?}\n */\n ProceduralRenderer3.prototype.removeStyle = function (el, style, flags) { };\n /**\n * @param {?} el\n * @param {?} name\n * @param {?} value\n * @return {?}\n */\n ProceduralRenderer3.prototype.setProperty = function (el, name, value) { };\n /**\n * @param {?} node\n * @param {?} value\n * @return {?}\n */\n ProceduralRenderer3.prototype.setValue = function (node, value) { };\n /**\n * @param {?} target\n * @param {?} eventName\n * @param {?} callback\n * @return {?}\n */\n ProceduralRenderer3.prototype.listen = function (target, eventName, callback) { };\n}\n/**\n * @record\n */\nfunction RendererFactory3() { }\nif (false) {\n /**\n * @param {?} hostElement\n * @param {?} rendererType\n * @return {?}\n */\n RendererFactory3.prototype.createRenderer = function (hostElement, rendererType) { };\n /**\n * @return {?}\n */\n RendererFactory3.prototype.begin = function () { };\n /**\n * @return {?}\n */\n RendererFactory3.prototype.end = function () { };\n}\nconst ɵ0$3 = /**\n * @param {?} hostElement\n * @param {?} rendererType\n * @return {?}\n */\n(hostElement, rendererType) => { return document; };\n/** @type {?} */\nconst domRendererFactory3 = {\n createRenderer: (ɵ0$3)\n};\n/**\n * Subset of API needed for appending elements and text nodes.\n * @record\n */\nfunction RNode() { }\nif (false) {\n /**\n * Returns the parent Element, Document, or DocumentFragment\n * @type {?}\n */\n RNode.prototype.parentNode;\n /**\n * Returns the parent Element if there is one\n * @type {?}\n */\n RNode.prototype.parentElement;\n /**\n * Gets the Node immediately following this one in the parent's childNodes\n * @type {?}\n */\n RNode.prototype.nextSibling;\n /**\n * Removes a child from the current node and returns the removed node\n * @param {?} oldChild the child node to remove\n * @return {?}\n */\n RNode.prototype.removeChild = function (oldChild) { };\n /**\n * Insert a child node.\n *\n * Used exclusively for adding View root nodes into ViewAnchor location.\n * @param {?} newChild\n * @param {?} refChild\n * @param {?} isViewRoot\n * @return {?}\n */\n RNode.prototype.insertBefore = function (newChild, refChild, isViewRoot) { };\n /**\n * Append a child node.\n *\n * Used exclusively for building up DOM which are static (ie not View roots)\n * @param {?} newChild\n * @return {?}\n */\n RNode.prototype.appendChild = function (newChild) { };\n}\n/**\n * Subset of API needed for writing attributes, properties, and setting up\n * listeners on Element.\n * @record\n */\nfunction RElement() { }\nif (false) {\n /** @type {?} */\n RElement.prototype.style;\n /** @type {?} */\n RElement.prototype.classList;\n /** @type {?} */\n RElement.prototype.className;\n /**\n * @param {?} name\n * @param {?} value\n * @return {?}\n */\n RElement.prototype.setAttribute = function (name, value) { };\n /**\n * @param {?} name\n * @return {?}\n */\n RElement.prototype.removeAttribute = function (name) { };\n /**\n * @param {?} namespaceURI\n * @param {?} qualifiedName\n * @param {?} value\n * @return {?}\n */\n RElement.prototype.setAttributeNS = function (namespaceURI, qualifiedName, value) { };\n /**\n * @param {?} type\n * @param {?} listener\n * @param {?=} useCapture\n * @return {?}\n */\n RElement.prototype.addEventListener = function (type, listener, useCapture) { };\n /**\n * @param {?} type\n * @param {?=} listener\n * @param {?=} options\n * @return {?}\n */\n RElement.prototype.removeEventListener = function (type, listener, options) { };\n /**\n * @param {?} name\n * @param {?} value\n * @return {?}\n */\n RElement.prototype.setProperty = function (name, value) { };\n}\n/**\n * @record\n */\nfunction RCssStyleDeclaration() { }\nif (false) {\n /**\n * @param {?} propertyName\n * @return {?}\n */\n RCssStyleDeclaration.prototype.removeProperty = function (propertyName) { };\n /**\n * @param {?} propertyName\n * @param {?} value\n * @param {?=} priority\n * @return {?}\n */\n RCssStyleDeclaration.prototype.setProperty = function (propertyName, value, priority) { };\n}\n/**\n * @record\n */\nfunction RDomTokenList() { }\nif (false) {\n /**\n * @param {?} token\n * @return {?}\n */\n RDomTokenList.prototype.add = function (token) { };\n /**\n * @param {?} token\n * @return {?}\n */\n RDomTokenList.prototype.remove = function (token) { };\n}\n/**\n * @record\n */\nfunction RText() { }\nif (false) {\n /** @type {?} */\n RText.prototype.textContent;\n}\n/**\n * @record\n */\nfunction RComment() { }\nif (false) {\n /** @type {?} */\n RComment.prototype.textContent;\n}\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\n/** @type {?} */\nconst unusedValueExportToPlacateAjd$3 = 1;\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Assigns all attribute values to the provided element via the inferred renderer.\n *\n * This function accepts two forms of attribute entries:\n *\n * default: (key, value):\n * attrs = [key1, value1, key2, value2]\n *\n * namespaced: (NAMESPACE_MARKER, uri, name, value)\n * attrs = [NAMESPACE_MARKER, uri, name, value, NAMESPACE_MARKER, uri, name, value]\n *\n * The `attrs` array can contain a mix of both the default and namespaced entries.\n * The \"default\" values are set without a marker, but if the function comes across\n * a marker value then it will attempt to set a namespaced value. If the marker is\n * not of a namespaced value then the function will quit and return the index value\n * where it stopped during the iteration of the attrs array.\n *\n * See [AttributeMarker] to understand what the namespace marker value is.\n *\n * Note that this instruction does not support assigning style and class values to\n * an element. See `elementStart` and `elementHostAttrs` to learn how styling values\n * are applied to an element.\n *\n * @param {?} native The element that the attributes will be assigned to\n * @param {?} attrs The attribute array of values that will be assigned to the element\n * @return {?} the index value that was last accessed in the attributes array\n */\nfunction setUpAttributes(native, attrs) {\n /** @type {?} */\n const renderer = getLView()[RENDERER];\n /** @type {?} */\n const isProc = isProceduralRenderer(renderer);\n /** @type {?} */\n let i = 0;\n while (i < attrs.length) {\n /** @type {?} */\n const value = attrs[i];\n if (typeof value === 'number') {\n // only namespaces are supported. Other value types (such as style/class\n // entries) are not supported in this function.\n if (value !== 0 /* NamespaceURI */) {\n break;\n }\n // we just landed on the marker value ... therefore\n // we should skip to the next entry\n i++;\n /** @type {?} */\n const namespaceURI = (/** @type {?} */ (attrs[i++]));\n /** @type {?} */\n const attrName = (/** @type {?} */ (attrs[i++]));\n /** @type {?} */\n const attrVal = (/** @type {?} */ (attrs[i++]));\n ngDevMode && ngDevMode.rendererSetAttribute++;\n isProc ?\n ((/** @type {?} */ (renderer))).setAttribute(native, attrName, attrVal, namespaceURI) :\n native.setAttributeNS(namespaceURI, attrName, attrVal);\n }\n else {\n // attrName is string;\n /** @type {?} */\n const attrName = (/** @type {?} */ (value));\n /** @type {?} */\n const attrVal = attrs[++i];\n // Standard attributes\n ngDevMode && ngDevMode.rendererSetAttribute++;\n if (isAnimationProp(attrName)) {\n if (isProc) {\n ((/** @type {?} */ (renderer))).setProperty(native, attrName, attrVal);\n }\n }\n else {\n isProc ?\n ((/** @type {?} */ (renderer)))\n .setAttribute(native, (/** @type {?} */ (attrName)), (/** @type {?} */ (attrVal))) :\n native.setAttribute((/** @type {?} */ (attrName)), (/** @type {?} */ (attrVal)));\n }\n i++;\n }\n }\n // another piece of code may iterate over the same attributes array. Therefore\n // it may be helpful to return the exact spot where the attributes array exited\n // whether by running into an unsupported marker or if all the static values were\n // iterated over.\n return i;\n}\n/**\n * @param {?} attrs\n * @param {?} startIndex\n * @return {?}\n */\nfunction attrsStylingIndexOf(attrs, startIndex) {\n for (let i = startIndex; i < attrs.length; i++) {\n /** @type {?} */\n const val = attrs[i];\n if (val === 1 /* Classes */ || val === 2 /* Styles */) {\n return i;\n }\n }\n return -1;\n}\n/**\n * Test whether the given value is a marker that indicates that the following\n * attribute values in a `TAttributes` array are only the names of attributes,\n * and not name-value pairs.\n * @param {?} marker The attribute marker to test.\n * @return {?} true if the marker is a \"name-only\" marker (e.g. `Bindings`, `Template` or `I18n`).\n */\nfunction isNameOnlyAttributeMarker(marker) {\n return marker === 3 /* Bindings */ || marker === 4 /* Template */ ||\n marker === 6 /* I18n */;\n}\n/** @type {?} */\nconst ANIMATION_PROP_PREFIX = '@';\n/**\n * @param {?} name\n * @return {?}\n */\nfunction isAnimationProp(name) {\n return name[0] === ANIMATION_PROP_PREFIX;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/// Parent Injector Utils ///////////////////////////////////////////////////////////////\n/**\n * @param {?} parentLocation\n * @return {?}\n */\nfunction hasParentInjector(parentLocation) {\n return parentLocation !== NO_PARENT_INJECTOR;\n}\n/**\n * @param {?} parentLocation\n * @return {?}\n */\nfunction getParentInjectorIndex(parentLocation) {\n return ((/** @type {?} */ ((/** @type {?} */ (parentLocation))))) & 32767 /* InjectorIndexMask */;\n}\n/**\n * @param {?} parentLocation\n * @return {?}\n */\nfunction getParentInjectorViewOffset(parentLocation) {\n return ((/** @type {?} */ ((/** @type {?} */ (parentLocation))))) >> 16 /* ViewOffsetShift */;\n}\n/**\n * Unwraps a parent injector location number to find the view offset from the current injector,\n * then walks up the declaration view tree until the view is found that contains the parent\n * injector.\n *\n * @param {?} location The location of the parent injector, which contains the view offset\n * @param {?} startView The LView instance from which to start walking up the view tree\n * @return {?} The LView instance that contains the parent injector\n */\nfunction getParentInjectorView(location, startView) {\n /** @type {?} */\n let viewOffset = getParentInjectorViewOffset(location);\n /** @type {?} */\n let parentView = startView;\n // For most cases, the parent injector can be found on the host node (e.g. for component\n // or container), but we must keep the loop here to support the rarer case of deeply nested\n // tags or inline views, where the parent injector might live many views\n // above the child injector.\n while (viewOffset > 0) {\n parentView = (/** @type {?} */ (parentView[DECLARATION_VIEW]));\n viewOffset--;\n }\n return parentView;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Gets the parent LView of the passed LView, if the PARENT is an LContainer, will get the parent of\n * that LContainer, which is an LView\n * @param {?} lView the lView whose parent to get\n * @return {?}\n */\nfunction getLViewParent(lView) {\n ngDevMode && assertLView(lView);\n /** @type {?} */\n const parent = lView[PARENT];\n return isLContainer(parent) ? (/** @type {?} */ (parent[PARENT])) : parent;\n}\n/**\n * Retrieve the root view from any component or `LView` by walking the parent `LView` until\n * reaching the root `LView`.\n *\n * @param {?} componentOrLView any component or `LView`\n * @return {?}\n */\nfunction getRootView(componentOrLView) {\n ngDevMode && assertDefined(componentOrLView, 'component');\n /** @type {?} */\n let lView = isLView(componentOrLView) ? componentOrLView : (/** @type {?} */ (readPatchedLView(componentOrLView)));\n while (lView && !(lView[FLAGS] & 512 /* IsRoot */)) {\n lView = (/** @type {?} */ (getLViewParent(lView)));\n }\n ngDevMode && assertLView(lView);\n return lView;\n}\n/**\n * Given an `LView`, find the closest declaration view which is not an embedded view.\n *\n * This method searches for the `LView` associated with the component which declared the `LView`.\n *\n * This function may return itself if the `LView` passed in is not an embedded `LView`. Otherwise\n * it walks the declaration parents until it finds a component view (non-embedded-view.)\n *\n * @param {?} lView LView for which we want a host element node\n * @return {?} The host node\n */\nfunction findComponentView(lView) {\n /** @type {?} */\n let rootTNode = lView[T_HOST];\n while (rootTNode !== null && rootTNode.type === 2 /* View */) {\n ngDevMode && assertDefined(lView[DECLARATION_VIEW], 'lView[DECLARATION_VIEW]');\n lView = (/** @type {?} */ (lView[DECLARATION_VIEW]));\n rootTNode = lView[T_HOST];\n }\n ngDevMode && assertLView(lView);\n return lView;\n}\n/**\n * Returns the `RootContext` instance that is associated with\n * the application where the target is situated. It does this by walking the parent views until it\n * gets to the root view, then getting the context off of that.\n *\n * @param {?} viewOrComponent the `LView` or component to get the root context for.\n * @return {?}\n */\nfunction getRootContext(viewOrComponent) {\n /** @type {?} */\n const rootView = getRootView(viewOrComponent);\n ngDevMode &&\n assertDefined(rootView[CONTEXT], 'RootView has no context. Perhaps it is disconnected?');\n return (/** @type {?} */ (rootView[CONTEXT]));\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Defines if the call to `inject` should include `viewProviders` in its resolution.\n *\n * This is set to true when we try to instantiate a component. This value is reset in\n * `getNodeInjectable` to a value which matches the declaration location of the token about to be\n * instantiated. This is done so that if we are injecting a token which was declared outside of\n * `viewProviders` we don't accidentally pull `viewProviders` in.\n *\n * Example:\n *\n * ```\n * \\@Injectable()\n * class MyService {\n * constructor(public value: String) {}\n * }\n *\n * \\@Component({\n * providers: [\n * MyService,\n * {provide: String, value: 'providers' }\n * ]\n * viewProviders: [\n * {provide: String, value: 'viewProviders'}\n * ]\n * })\n * class MyComponent {\n * constructor(myService: MyService, value: String) {\n * // We expect that Component can see into `viewProviders`.\n * expect(value).toEqual('viewProviders');\n * // `MyService` was not declared in `viewProviders` hence it can't see it.\n * expect(myService.value).toEqual('providers');\n * }\n * }\n *\n * ```\n * @type {?}\n */\nlet includeViewProviders = true;\n/**\n * @param {?} v\n * @return {?}\n */\nfunction setIncludeViewProviders(v) {\n /** @type {?} */\n const oldValue = includeViewProviders;\n includeViewProviders = v;\n return oldValue;\n}\n/**\n * The number of slots in each bloom filter (used by DI). The larger this number, the fewer\n * directives that will share slots, and thus, the fewer false positives when checking for\n * the existence of a directive.\n * @type {?}\n */\nconst BLOOM_SIZE = 256;\n/** @type {?} */\nconst BLOOM_MASK = BLOOM_SIZE - 1;\n/**\n * Counter used to generate unique IDs for directives.\n * @type {?}\n */\nlet nextNgElementId = 0;\n/**\n * Registers this directive as present in its node's injector by flipping the directive's\n * corresponding bit in the injector's bloom filter.\n *\n * @param {?} injectorIndex The index of the node injector where this token should be registered\n * @param {?} tView The TView for the injector's bloom filters\n * @param {?} type The directive token to register\n * @return {?}\n */\nfunction bloomAdd(injectorIndex, tView, type) {\n ngDevMode && assertEqual(tView.firstTemplatePass, true, 'expected firstTemplatePass to be true');\n /** @type {?} */\n let id = typeof type !== 'string' ? ((/** @type {?} */ (type)))[NG_ELEMENT_ID] : type.charCodeAt(0) || 0;\n // Set a unique ID on the directive type, so if something tries to inject the directive,\n // we can easily retrieve the ID and hash it into the bloom bit that should be checked.\n if (id == null) {\n id = ((/** @type {?} */ (type)))[NG_ELEMENT_ID] = nextNgElementId++;\n }\n // We only have BLOOM_SIZE (256) slots in our bloom filter (8 buckets * 32 bits each),\n // so all unique IDs must be modulo-ed into a number from 0 - 255 to fit into the filter.\n /** @type {?} */\n const bloomBit = id & BLOOM_MASK;\n // Create a mask that targets the specific bit associated with the directive.\n // JS bit operations are 32 bits, so this will be a number between 2^0 and 2^31, corresponding\n // to bit positions 0 - 31 in a 32 bit integer.\n /** @type {?} */\n const mask = 1 << bloomBit;\n // Use the raw bloomBit number to determine which bloom filter bucket we should check\n // e.g: bf0 = [0 - 31], bf1 = [32 - 63], bf2 = [64 - 95], bf3 = [96 - 127], etc\n /** @type {?} */\n const b7 = bloomBit & 0x80;\n /** @type {?} */\n const b6 = bloomBit & 0x40;\n /** @type {?} */\n const b5 = bloomBit & 0x20;\n /** @type {?} */\n const tData = (/** @type {?} */ (tView.data));\n if (b7) {\n b6 ? (b5 ? (tData[injectorIndex + 7] |= mask) : (tData[injectorIndex + 6] |= mask)) :\n (b5 ? (tData[injectorIndex + 5] |= mask) : (tData[injectorIndex + 4] |= mask));\n }\n else {\n b6 ? (b5 ? (tData[injectorIndex + 3] |= mask) : (tData[injectorIndex + 2] |= mask)) :\n (b5 ? (tData[injectorIndex + 1] |= mask) : (tData[injectorIndex] |= mask));\n }\n}\n/**\n * Creates (or gets an existing) injector for a given element or container.\n *\n * @param {?} tNode for which an injector should be retrieved / created.\n * @param {?} hostView View where the node is stored\n * @return {?} Node injector\n */\nfunction getOrCreateNodeInjectorForNode(tNode, hostView) {\n /** @type {?} */\n const existingInjectorIndex = getInjectorIndex(tNode, hostView);\n if (existingInjectorIndex !== -1) {\n return existingInjectorIndex;\n }\n /** @type {?} */\n const tView = hostView[TVIEW];\n if (tView.firstTemplatePass) {\n tNode.injectorIndex = hostView.length;\n insertBloom(tView.data, tNode); // foundation for node bloom\n insertBloom(hostView, null); // foundation for cumulative bloom\n insertBloom(tView.blueprint, null);\n ngDevMode && assertEqual(tNode.flags === 0 || tNode.flags === 1 /* isComponent */, true, 'expected tNode.flags to not be initialized');\n }\n /** @type {?} */\n const parentLoc = getParentInjectorLocation(tNode, hostView);\n /** @type {?} */\n const parentIndex = getParentInjectorIndex(parentLoc);\n /** @type {?} */\n const parentLView = getParentInjectorView(parentLoc, hostView);\n /** @type {?} */\n const injectorIndex = tNode.injectorIndex;\n // If a parent injector can't be found, its location is set to -1.\n // In that case, we don't need to set up a cumulative bloom\n if (hasParentInjector(parentLoc)) {\n /** @type {?} */\n const parentData = (/** @type {?} */ (parentLView[TVIEW].data));\n // Creates a cumulative bloom filter that merges the parent's bloom filter\n // and its own cumulative bloom (which contains tokens for all ancestors)\n for (let i = 0; i < 8; i++) {\n hostView[injectorIndex + i] = parentLView[parentIndex + i] | parentData[parentIndex + i];\n }\n }\n hostView[injectorIndex + PARENT_INJECTOR] = parentLoc;\n return injectorIndex;\n}\n/**\n * @param {?} arr\n * @param {?} footer\n * @return {?}\n */\nfunction insertBloom(arr, footer) {\n arr.push(0, 0, 0, 0, 0, 0, 0, 0, footer);\n}\n/**\n * @param {?} tNode\n * @param {?} hostView\n * @return {?}\n */\nfunction getInjectorIndex(tNode, hostView) {\n if (tNode.injectorIndex === -1 ||\n // If the injector index is the same as its parent's injector index, then the index has been\n // copied down from the parent node. No injector has been created yet on this node.\n (tNode.parent && tNode.parent.injectorIndex === tNode.injectorIndex) ||\n // After the first template pass, the injector index might exist but the parent values\n // might not have been calculated yet for this instance\n hostView[tNode.injectorIndex + PARENT_INJECTOR] == null) {\n return -1;\n }\n else {\n return tNode.injectorIndex;\n }\n}\n/**\n * Finds the index of the parent injector, with a view offset if applicable. Used to set the\n * parent injector initially.\n *\n * Returns a combination of number of `ViewData` we have to go up and index in that `Viewdata`\n * @param {?} tNode\n * @param {?} view\n * @return {?}\n */\nfunction getParentInjectorLocation(tNode, view) {\n if (tNode.parent && tNode.parent.injectorIndex !== -1) {\n return (/** @type {?} */ (tNode.parent.injectorIndex)); // ViewOffset is 0\n }\n // For most cases, the parent injector index can be found on the host node (e.g. for component\n // or container), so this loop will be skipped, but we must keep the loop here to support\n // the rarer case of deeply nested tags or inline views.\n /** @type {?} */\n let hostTNode = view[T_HOST];\n /** @type {?} */\n let viewOffset = 1;\n while (hostTNode && hostTNode.injectorIndex === -1) {\n view = (/** @type {?} */ (view[DECLARATION_VIEW]));\n hostTNode = view ? view[T_HOST] : null;\n viewOffset++;\n }\n return hostTNode ?\n hostTNode.injectorIndex | (viewOffset << 16 /* ViewOffsetShift */) :\n (/** @type {?} */ (-1));\n}\n/**\n * Makes a type or an injection token public to the DI system by adding it to an\n * injector's bloom filter.\n *\n * @param {?} injectorIndex\n * @param {?} tView\n * @param {?} token The type or the injection token to be made public\n * @return {?}\n */\nfunction diPublicInInjector(injectorIndex, tView, token) {\n bloomAdd(injectorIndex, tView, token);\n}\n/**\n * Inject static attribute value into directive constructor.\n *\n * This method is used with `factory` functions which are generated as part of\n * `defineDirective` or `defineComponent`. The method retrieves the static value\n * of an attribute. (Dynamic attributes are not supported since they are not resolved\n * at the time of injection and can change over time.)\n *\n * # Example\n * Given:\n * ```\n * \\@Component(...)\n * class MyComponent {\n * constructor(\\@Attribute('title') title: string) { ... }\n * }\n * ```\n * When instantiated with\n * ```\n * \n * ```\n *\n * Then factory method generated is:\n * ```\n * MyComponent.ngComponentDef = defineComponent({\n * factory: () => new MyComponent(injectAttribute('title'))\n * ...\n * })\n * ```\n *\n * \\@publicApi\n * @param {?} tNode\n * @param {?} attrNameToInject\n * @return {?}\n */\nfunction injectAttributeImpl(tNode, attrNameToInject) {\n ngDevMode && assertNodeOfPossibleTypes(tNode, 0 /* Container */, 3 /* Element */, 4 /* ElementContainer */);\n ngDevMode && assertDefined(tNode, 'expecting tNode');\n if (attrNameToInject === 'class') {\n return getInitialStylingValue(tNode.classes);\n }\n if (attrNameToInject === 'style') {\n return getInitialStylingValue(tNode.styles);\n }\n /** @type {?} */\n const attrs = tNode.attrs;\n if (attrs) {\n /** @type {?} */\n const attrsLength = attrs.length;\n /** @type {?} */\n let i = 0;\n while (i < attrsLength) {\n /** @type {?} */\n const value = attrs[i];\n // If we hit a `Bindings` or `Template` marker then we are done.\n if (isNameOnlyAttributeMarker(value))\n break;\n // Skip namespaced attributes\n if (value === 0 /* NamespaceURI */) {\n // we skip the next two values\n // as namespaced attributes looks like\n // [..., AttributeMarker.NamespaceURI, 'http://someuri.com/test', 'test:exist',\n // 'existValue', ...]\n i = i + 2;\n }\n else if (typeof value === 'number') {\n // Skip to the first value of the marked attribute.\n i++;\n while (i < attrsLength && typeof attrs[i] === 'string') {\n i++;\n }\n }\n else if (value === attrNameToInject) {\n return (/** @type {?} */ (attrs[i + 1]));\n }\n else {\n i = i + 2;\n }\n }\n }\n return null;\n}\n/**\n * Returns the value associated to the given token from the NodeInjectors => ModuleInjector.\n *\n * Look for the injector providing the token by walking up the node injector tree and then\n * the module injector tree.\n *\n * This function patches `token` with `__NG_ELEMENT_ID__` which contains the id for the bloom\n * filter. Negative values are reserved for special objects.\n * - `-1` is reserved for injecting `Injector` (implemented by `NodeInjector`)\n *\n * @template T\n * @param {?} tNode The Node where the search for the injector should start\n * @param {?} lView The `LView` that contains the `tNode`\n * @param {?} token The token to look for\n * @param {?=} flags Injection flags\n * @param {?=} notFoundValue The value to return when the injection flags is `InjectFlags.Optional`\n * @return {?} the value from the injector, `null` when not found, or `notFoundValue` if provided\n */\nfunction getOrCreateInjectable(tNode, lView, token, flags = InjectFlags.Default, notFoundValue) {\n if (tNode) {\n /** @type {?} */\n const bloomHash = bloomHashBitOrFactory(token);\n // If the ID stored here is a function, this is a special object like ElementRef or TemplateRef\n // so just call the factory function to create it.\n if (typeof bloomHash === 'function') {\n /** @type {?} */\n const savePreviousOrParentTNode = getPreviousOrParentTNode();\n /** @type {?} */\n const saveLView = getLView();\n setTNodeAndViewData(tNode, lView);\n try {\n /** @type {?} */\n const value = bloomHash();\n if (value == null && !(flags & InjectFlags.Optional)) {\n throw new Error(`No provider for ${stringifyForError(token)}!`);\n }\n else {\n return value;\n }\n }\n finally {\n setTNodeAndViewData(savePreviousOrParentTNode, saveLView);\n }\n }\n else if (typeof bloomHash == 'number') {\n if (bloomHash === -1) {\n // `-1` is a special value used to identify `Injector` types.\n return (/** @type {?} */ (new NodeInjector(tNode, lView)));\n }\n // If the token has a bloom hash, then it is a token which could be in NodeInjector.\n // A reference to the previous injector TView that was found while climbing the element\n // injector tree. This is used to know if viewProviders can be accessed on the current\n // injector.\n /** @type {?} */\n let previousTView = null;\n /** @type {?} */\n let injectorIndex = getInjectorIndex(tNode, lView);\n /** @type {?} */\n let parentLocation = NO_PARENT_INJECTOR;\n /** @type {?} */\n let hostTElementNode = flags & InjectFlags.Host ? findComponentView(lView)[T_HOST] : null;\n // If we should skip this injector, or if there is no injector on this node, start by\n // searching\n // the parent injector.\n if (injectorIndex === -1 || flags & InjectFlags.SkipSelf) {\n parentLocation = injectorIndex === -1 ? getParentInjectorLocation(tNode, lView) :\n lView[injectorIndex + PARENT_INJECTOR];\n if (!shouldSearchParent(flags, false)) {\n injectorIndex = -1;\n }\n else {\n previousTView = lView[TVIEW];\n injectorIndex = getParentInjectorIndex(parentLocation);\n lView = getParentInjectorView(parentLocation, lView);\n }\n }\n // Traverse up the injector tree until we find a potential match or until we know there\n // *isn't* a match.\n while (injectorIndex !== -1) {\n parentLocation = lView[injectorIndex + PARENT_INJECTOR];\n // Check the current injector. If it matches, see if it contains token.\n /** @type {?} */\n const tView = lView[TVIEW];\n if (bloomHasToken(bloomHash, injectorIndex, tView.data)) {\n // At this point, we have an injector which *may* contain the token, so we step through\n // the providers and directives associated with the injector's corresponding node to get\n // the instance.\n /** @type {?} */\n const instance = searchTokensOnInjector(injectorIndex, lView, token, previousTView, flags, hostTElementNode);\n if (instance !== NOT_FOUND) {\n return instance;\n }\n }\n if (shouldSearchParent(flags, lView[TVIEW].data[injectorIndex + TNODE] === hostTElementNode) &&\n bloomHasToken(bloomHash, injectorIndex, lView)) {\n // The def wasn't found anywhere on this node, so it was a false positive.\n // Traverse up the tree and continue searching.\n previousTView = tView;\n injectorIndex = getParentInjectorIndex(parentLocation);\n lView = getParentInjectorView(parentLocation, lView);\n }\n else {\n // If we should not search parent OR If the ancestor bloom filter value does not have the\n // bit corresponding to the directive we can give up on traversing up to find the specific\n // injector.\n injectorIndex = -1;\n }\n }\n }\n }\n if (flags & InjectFlags.Optional && notFoundValue === undefined) {\n // This must be set or the NullInjector will throw for optional deps\n notFoundValue = null;\n }\n if ((flags & (InjectFlags.Self | InjectFlags.Host)) === 0) {\n /** @type {?} */\n const moduleInjector = lView[INJECTOR$1];\n // switch to `injectInjectorOnly` implementation for module injector, since module injector\n // should not have access to Component/Directive DI scope (that may happen through\n // `directiveInject` implementation)\n /** @type {?} */\n const previousInjectImplementation = setInjectImplementation(undefined);\n try {\n if (moduleInjector) {\n return moduleInjector.get(token, notFoundValue, flags & InjectFlags.Optional);\n }\n else {\n return injectRootLimpMode(token, notFoundValue, flags & InjectFlags.Optional);\n }\n }\n finally {\n setInjectImplementation(previousInjectImplementation);\n }\n }\n if (flags & InjectFlags.Optional) {\n return notFoundValue;\n }\n else {\n throw new Error(`NodeInjector: NOT_FOUND [${stringifyForError(token)}]`);\n }\n}\n/** @type {?} */\nconst NOT_FOUND = {};\n/**\n * @template T\n * @param {?} injectorIndex\n * @param {?} lView\n * @param {?} token\n * @param {?} previousTView\n * @param {?} flags\n * @param {?} hostTElementNode\n * @return {?}\n */\nfunction searchTokensOnInjector(injectorIndex, lView, token, previousTView, flags, hostTElementNode) {\n /** @type {?} */\n const currentTView = lView[TVIEW];\n /** @type {?} */\n const tNode = (/** @type {?} */ (currentTView.data[injectorIndex + TNODE]));\n // First, we need to determine if view providers can be accessed by the starting element.\n // There are two possibities\n /** @type {?} */\n const canAccessViewProviders = previousTView == null ?\n // 1) This is the first invocation `previousTView == null` which means that we are at the\n // `TNode` of where injector is starting to look. In such a case the only time we are allowed\n // to look into the ViewProviders is if:\n // - we are on a component\n // - AND the injector set `includeViewProviders` to true (implying that the token can see\n // ViewProviders because it is the Component or a Service which itself was declared in\n // ViewProviders)\n (isComponent(tNode) && includeViewProviders) :\n // 2) `previousTView != null` which means that we are now walking across the parent nodes.\n // In such a case we are only allowed to look into the ViewProviders if:\n // - We just crossed from child View to Parent View `previousTView != currentTView`\n // - AND the parent TNode is an Element.\n // This means that we just came from the Component's View and therefore are allowed to see\n // into the ViewProviders.\n (previousTView != currentTView && (tNode.type === 3 /* Element */));\n // This special case happens when there is a @host on the inject and when we are searching\n // on the host element node.\n /** @type {?} */\n const isHostSpecialCase = (flags & InjectFlags.Host) && hostTElementNode === tNode;\n /** @type {?} */\n const injectableIdx = locateDirectiveOrProvider(tNode, currentTView, token, canAccessViewProviders, isHostSpecialCase);\n if (injectableIdx !== null) {\n return getNodeInjectable(currentTView.data, lView, injectableIdx, (/** @type {?} */ (tNode)));\n }\n else {\n return NOT_FOUND;\n }\n}\n/**\n * Searches for the given token among the node's directives and providers.\n *\n * @template T\n * @param {?} tNode TNode on which directives are present.\n * @param {?} tView The tView we are currently processing\n * @param {?} token Provider token or type of a directive to look for.\n * @param {?} canAccessViewProviders Whether view providers should be considered.\n * @param {?} isHostSpecialCase Whether the host special case applies.\n * @return {?} Index of a found directive or provider, or null when none found.\n */\nfunction locateDirectiveOrProvider(tNode, tView, token, canAccessViewProviders, isHostSpecialCase) {\n /** @type {?} */\n const nodeProviderIndexes = tNode.providerIndexes;\n /** @type {?} */\n const tInjectables = tView.data;\n /** @type {?} */\n const injectablesStart = nodeProviderIndexes & 65535 /* ProvidersStartIndexMask */;\n /** @type {?} */\n const directivesStart = tNode.directiveStart;\n /** @type {?} */\n const directiveEnd = tNode.directiveEnd;\n /** @type {?} */\n const cptViewProvidersCount = nodeProviderIndexes >> 16 /* CptViewProvidersCountShift */;\n /** @type {?} */\n const startingIndex = canAccessViewProviders ? injectablesStart : injectablesStart + cptViewProvidersCount;\n // When the host special case applies, only the viewProviders and the component are visible\n /** @type {?} */\n const endIndex = isHostSpecialCase ? injectablesStart + cptViewProvidersCount : directiveEnd;\n for (let i = startingIndex; i < endIndex; i++) {\n /** @type {?} */\n const providerTokenOrDef = (/** @type {?} */ (tInjectables[i]));\n if (i < directivesStart && token === providerTokenOrDef ||\n i >= directivesStart && ((/** @type {?} */ (providerTokenOrDef))).type === token) {\n return i;\n }\n }\n if (isHostSpecialCase) {\n /** @type {?} */\n const dirDef = (/** @type {?} */ (tInjectables[directivesStart]));\n if (dirDef && isComponentDef(dirDef) && dirDef.type === token) {\n return directivesStart;\n }\n }\n return null;\n}\n/**\n * Retrieve or instantiate the injectable from the `lData` at particular `index`.\n *\n * This function checks to see if the value has already been instantiated and if so returns the\n * cached `injectable`. Otherwise if it detects that the value is still a factory it\n * instantiates the `injectable` and caches the value.\n * @param {?} tData\n * @param {?} lData\n * @param {?} index\n * @param {?} tNode\n * @return {?}\n */\nfunction getNodeInjectable(tData, lData, index, tNode) {\n /** @type {?} */\n let value = lData[index];\n if (isFactory(value)) {\n /** @type {?} */\n const factory = value;\n if (factory.resolving) {\n throw new Error(`Circular dep for ${stringifyForError(tData[index])}`);\n }\n /** @type {?} */\n const previousIncludeViewProviders = setIncludeViewProviders(factory.canSeeViewProviders);\n factory.resolving = true;\n /** @type {?} */\n let previousInjectImplementation;\n if (factory.injectImpl) {\n previousInjectImplementation = setInjectImplementation(factory.injectImpl);\n }\n /** @type {?} */\n const savePreviousOrParentTNode = getPreviousOrParentTNode();\n /** @type {?} */\n const saveLView = getLView();\n setTNodeAndViewData(tNode, lData);\n try {\n value = lData[index] = factory.factory(undefined, tData, lData, tNode);\n }\n finally {\n if (factory.injectImpl)\n setInjectImplementation(previousInjectImplementation);\n setIncludeViewProviders(previousIncludeViewProviders);\n factory.resolving = false;\n setTNodeAndViewData(savePreviousOrParentTNode, saveLView);\n }\n }\n return value;\n}\n/**\n * Returns the bit in an injector's bloom filter that should be used to determine whether or not\n * the directive might be provided by the injector.\n *\n * When a directive is public, it is added to the bloom filter and given a unique ID that can be\n * retrieved on the Type. When the directive isn't public or the token is not a directive `null`\n * is returned as the node injector can not possibly provide that token.\n *\n * @param {?} token the injection token\n * @return {?} the matching bit to check in the bloom filter or `null` if the token is not known.\n * When the returned value is negative then it represents special values such as `Injector`.\n */\nfunction bloomHashBitOrFactory(token) {\n ngDevMode && assertDefined(token, 'token must be defined');\n if (typeof token === 'string') {\n return token.charCodeAt(0) || 0;\n }\n /** @type {?} */\n const tokenId = ((/** @type {?} */ (token)))[NG_ELEMENT_ID];\n // Negative token IDs are used for special objects such as `Injector`\n return (typeof tokenId === 'number' && tokenId > 0) ? tokenId & BLOOM_MASK : tokenId;\n}\n/**\n * @param {?} bloomHash\n * @param {?} injectorIndex\n * @param {?} injectorView\n * @return {?}\n */\nfunction bloomHasToken(bloomHash, injectorIndex, injectorView) {\n // Create a mask that targets the specific bit associated with the directive we're looking for.\n // JS bit operations are 32 bits, so this will be a number between 2^0 and 2^31, corresponding\n // to bit positions 0 - 31 in a 32 bit integer.\n /** @type {?} */\n const mask = 1 << bloomHash;\n /** @type {?} */\n const b7 = bloomHash & 0x80;\n /** @type {?} */\n const b6 = bloomHash & 0x40;\n /** @type {?} */\n const b5 = bloomHash & 0x20;\n // Our bloom filter size is 256 bits, which is eight 32-bit bloom filter buckets:\n // bf0 = [0 - 31], bf1 = [32 - 63], bf2 = [64 - 95], bf3 = [96 - 127], etc.\n // Get the bloom filter value from the appropriate bucket based on the directive's bloomBit.\n /** @type {?} */\n let value;\n if (b7) {\n value = b6 ? (b5 ? injectorView[injectorIndex + 7] : injectorView[injectorIndex + 6]) :\n (b5 ? injectorView[injectorIndex + 5] : injectorView[injectorIndex + 4]);\n }\n else {\n value = b6 ? (b5 ? injectorView[injectorIndex + 3] : injectorView[injectorIndex + 2]) :\n (b5 ? injectorView[injectorIndex + 1] : injectorView[injectorIndex]);\n }\n // If the bloom filter value has the bit corresponding to the directive's bloomBit flipped on,\n // this injector is a potential match.\n return !!(value & mask);\n}\n/**\n * Returns true if flags prevent parent injector from being searched for tokens\n * @param {?} flags\n * @param {?} isFirstHostTNode\n * @return {?}\n */\nfunction shouldSearchParent(flags, isFirstHostTNode) {\n return !(flags & InjectFlags.Self) && !(flags & InjectFlags.Host && isFirstHostTNode);\n}\nclass NodeInjector {\n /**\n * @param {?} _tNode\n * @param {?} _lView\n */\n constructor(_tNode, _lView) {\n this._tNode = _tNode;\n this._lView = _lView;\n }\n /**\n * @param {?} token\n * @param {?=} notFoundValue\n * @return {?}\n */\n get(token, notFoundValue) {\n return getOrCreateInjectable(this._tNode, this._lView, token, undefined, notFoundValue);\n }\n}\nif (false) {\n /**\n * @type {?}\n * @private\n */\n NodeInjector.prototype._tNode;\n /**\n * @type {?}\n * @private\n */\n NodeInjector.prototype._lView;\n}\n/**\n * \\@codeGenApi\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction ɵɵgetFactoryOf(type) {\n /** @type {?} */\n const typeAny = (/** @type {?} */ (type));\n /** @type {?} */\n const def = getComponentDef(typeAny) || getDirectiveDef(typeAny) ||\n getPipeDef(typeAny) || getInjectableDef(typeAny) || getInjectorDef(typeAny);\n if (!def || def.factory === undefined) {\n return null;\n }\n return def.factory;\n}\n/**\n * \\@codeGenApi\n * @template T\n * @param {?} type\n * @return {?}\n */\nfunction ɵɵgetInheritedFactory(type) {\n /** @type {?} */\n const proto = (/** @type {?} */ (Object.getPrototypeOf(type.prototype).constructor));\n /** @type {?} */\n const factory = ɵɵgetFactoryOf(proto);\n if (factory !== null) {\n return factory;\n }\n else {\n // There is no factory defined. Either this was improper usage of inheritance\n // (no Angular decorator on the superclass) or there is no constructor at all\n // in the inheritance chain. Since the two cases cannot be distinguished, the\n // latter has to be assumed.\n return (/**\n * @param {?} t\n * @return {?}\n */\n (t) => new t());\n }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nconst ERROR_TYPE = 'ngType';\nconst ERROR_DEBUG_CONTEXT = 'ngDebugContext';\nconst ERROR_ORIGINAL_ERROR = 'ngOriginalError';\nconst ERROR_LOGGER = 'ngErrorLogger';\nfunction wrappedError(message, originalError) {\n const msg = `${message} caused by: ${originalError instanceof Error ? originalError.message : originalError}`;\n const error = Error(msg);\n error[ERROR_ORIGINAL_ERROR] = originalError;\n return error;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @param {?} error\n * @return {?}\n */\nfunction getType(error) {\n return ((/** @type {?} */ (error)))[ERROR_TYPE];\n}\n/**\n * @param {?} error\n * @return {?}\n */\nfunction getDebugContext(error) {\n return ((/** @type {?} */ (error)))[ERROR_DEBUG_CONTEXT];\n}\n/**\n * @param {?} error\n * @return {?}\n */\nfunction getOriginalError(error) {\n return ((/** @type {?} */ (error)))[ERROR_ORIGINAL_ERROR];\n}\n/**\n * @param {?} error\n * @return {?}\n */\nfunction getErrorLogger(error) {\n return ((/** @type {?} */ (error)))[ERROR_LOGGER] || defaultErrorLogger;\n}\n/**\n * @param {?} console\n * @param {...?} values\n * @return {?}\n */\nfunction defaultErrorLogger(console, ...values) {\n ((/** @type {?} */ (console.error)))(...values);\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * Provides a hook for centralized exception handling.\n *\n * The default implementation of `ErrorHandler` prints error messages to the `console`. To\n * intercept error handling, write a custom exception handler that replaces this default as\n * appropriate for your app.\n *\n * \\@usageNotes\n * ### Example\n *\n * ```\n * class MyErrorHandler implements ErrorHandler {\n * handleError(error) {\n * // do something with the exception\n * }\n * }\n *\n * \\@NgModule({\n * providers: [{provide: ErrorHandler, useClass: MyErrorHandler}]\n * })\n * class MyModule {}\n * ```\n *\n * \\@publicApi\n */\nclass ErrorHandler {\n constructor() {\n /**\n * \\@internal\n */\n this._console = console;\n }\n /**\n * @param {?} error\n * @return {?}\n */\n handleError(error) {\n /** @type {?} */\n const originalError = this._findOriginalError(error);\n /** @type {?} */\n const context = this._findContext(error);\n // Note: Browser consoles show the place from where console.error was called.\n // We can use this to give users additional information about the error.\n /** @type {?} */\n const errorLogger = getErrorLogger(error);\n errorLogger(this._console, `ERROR`, error);\n if (originalError) {\n errorLogger(this._console, `ORIGINAL ERROR`, originalError);\n }\n if (context) {\n errorLogger(this._console, 'ERROR CONTEXT', context);\n }\n }\n /**\n * \\@internal\n * @param {?} error\n * @return {?}\n */\n _findContext(error) {\n if (error) {\n return getDebugContext(error) ? getDebugContext(error) :\n this._findContext(getOriginalError(error));\n }\n return null;\n }\n /**\n * \\@internal\n * @param {?} error\n * @return {?}\n */\n _findOriginalError(error) {\n /** @type {?} */\n let e = getOriginalError(error);\n while (e && getOriginalError(e)) {\n e = getOriginalError(e);\n }\n return e;\n }\n}\nif (false) {\n /**\n * \\@internal\n * @type {?}\n */\n ErrorHandler.prototype._console;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A schema definition associated with an NgModule.\n *\n * @see `\\@NgModule`, `CUSTOM_ELEMENTS_SCHEMA`, `NO_ERRORS_SCHEMA`\n *\n * @param name The name of a defined schema.\n *\n * \\@publicApi\n * @record\n */\nfunction SchemaMetadata() { }\nif (false) {\n /** @type {?} */\n SchemaMetadata.prototype.name;\n}\n/**\n * Defines a schema that allows an NgModule to contain the following:\n * - Non-Angular elements named with dash case (`-`).\n * - Element properties named with dash case (`-`).\n * Dash case is the naming convention for custom elements.\n *\n * \\@publicApi\n * @type {?}\n */\nconst CUSTOM_ELEMENTS_SCHEMA = {\n name: 'custom-elements'\n};\n/**\n * Defines a schema that allows any property on any element.\n *\n * \\@publicApi\n * @type {?}\n */\nconst NO_ERRORS_SCHEMA = {\n name: 'no-errors-schema'\n};\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @type {?} */\nconst BRAND = '__SANITIZER_TRUSTED_BRAND__';\n/** @enum {string} */\nconst BypassType = {\n Url: 'Url',\n Html: 'Html',\n ResourceUrl: 'ResourceUrl',\n Script: 'Script',\n Style: 'Style',\n};\n/**\n * A branded trusted string used with sanitization.\n *\n * See: {\\@link TrustedHtmlString}, {\\@link TrustedResourceUrlString}, {\\@link TrustedScriptString},\n * {\\@link TrustedStyleString}, {\\@link TrustedUrlString}\n * @record\n */\nfunction TrustedString() { }\nif (false) {\n /* Skipping unnamed member:\n [BRAND]: BypassType;*/\n}\n/**\n * A branded trusted string used with sanitization of `html` strings.\n *\n * See: {\\@link bypassSanitizationTrustHtml} and {\\@link htmlSanitizer}.\n * @record\n */\nfunction TrustedHtmlString() { }\nif (false) {\n /* Skipping unnamed member:\n [BRAND]: BypassType.Html;*/\n}\n/**\n * A branded trusted string used with sanitization of `style` strings.\n *\n * See: {\\@link bypassSanitizationTrustStyle} and {\\@link styleSanitizer}.\n * @record\n */\nfunction TrustedStyleString() { }\nif (false) {\n /* Skipping unnamed member:\n [BRAND]: BypassType.Style;*/\n}\n/**\n * A branded trusted string used with sanitization of `url` strings.\n *\n * See: {\\@link bypassSanitizationTrustScript} and {\\@link scriptSanitizer}.\n * @record\n */\nfunction TrustedScriptString() { }\nif (false) {\n /* Skipping unnamed member:\n [BRAND]: BypassType.Script;*/\n}\n/**\n * A branded trusted string used with sanitization of `url` strings.\n *\n * See: {\\@link bypassSanitizationTrustUrl} and {\\@link urlSanitizer}.\n * @record\n */\nfunction TrustedUrlString() { }\nif (false) {\n /* Skipping unnamed member:\n [BRAND]: BypassType.Url;*/\n}\n/**\n * A branded trusted string used with sanitization of `resourceUrl` strings.\n *\n * See: {\\@link bypassSanitizationTrustResourceUrl} and {\\@link resourceUrlSanitizer}.\n * @record\n */\nfunction TrustedResourceUrlString() { }\nif (false) {\n /* Skipping unnamed member:\n [BRAND]: BypassType.ResourceUrl;*/\n}\n/**\n * @param {?} value\n * @param {?} type\n * @return {?}\n */\nfunction allowSanitizationBypass(value, type) {\n return (value instanceof String && ((/** @type {?} */ (value)))[BRAND] === type);\n}\n/**\n * Mark `html` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {\\@link htmlSanitizer} to be trusted implicitly.\n *\n * @param {?} trustedHtml `html` string which needs to be implicitly trusted.\n * @return {?} a `html` `String` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustHtml(trustedHtml) {\n return bypassSanitizationTrustString(trustedHtml, \"Html\" /* Html */);\n}\n/**\n * Mark `style` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {\\@link styleSanitizer} to be trusted implicitly.\n *\n * @param {?} trustedStyle `style` string which needs to be implicitly trusted.\n * @return {?} a `style` `String` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustStyle(trustedStyle) {\n return bypassSanitizationTrustString(trustedStyle, \"Style\" /* Style */);\n}\n/**\n * Mark `script` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {\\@link scriptSanitizer} to be trusted implicitly.\n *\n * @param {?} trustedScript `script` string which needs to be implicitly trusted.\n * @return {?} a `script` `String` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustScript(trustedScript) {\n return bypassSanitizationTrustString(trustedScript, \"Script\" /* Script */);\n}\n/**\n * Mark `url` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {\\@link urlSanitizer} to be trusted implicitly.\n *\n * @param {?} trustedUrl `url` string which needs to be implicitly trusted.\n * @return {?} a `url` `String` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustUrl(trustedUrl) {\n return bypassSanitizationTrustString(trustedUrl, \"Url\" /* Url */);\n}\n/**\n * Mark `url` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {\\@link resourceUrlSanitizer} to be trusted implicitly.\n *\n * @param {?} trustedResourceUrl `url` string which needs to be implicitly trusted.\n * @return {?} a `url` `String` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustResourceUrl(trustedResourceUrl) {\n return bypassSanitizationTrustString(trustedResourceUrl, \"ResourceUrl\" /* ResourceUrl */);\n}\n/**\n * @param {?} trustedString\n * @param {?} mode\n * @return {?}\n */\nfunction bypassSanitizationTrustString(trustedString, mode) {\n // tslint:disable-next-line\n /** @type {?} */\n const trusted = (/** @type {?} */ (new String(trustedString)));\n trusted[BRAND] = mode;\n return trusted;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This file is used to control if the default rendering pipeline should be `ViewEngine` or `Ivy`.\n *\n * For more information on how to run and debug tests with either Ivy or View Engine (legacy),\n * please see [BAZEL.md](./docs/BAZEL.md).\n */\nlet _devMode = true;\nlet _runModeLocked = false;\n/**\n * Returns whether Angular is in development mode. After called once,\n * the value is locked and won't change any more.\n *\n * By default, this is true, unless a user calls `enableProdMode` before calling this.\n *\n * @publicApi\n */\nfunction isDevMode() {\n _runModeLocked = true;\n return _devMode;\n}\n/**\n * Disable Angular's development mode, which turns off assertions and other\n * checks within the framework.\n *\n * One important assertion this disables verifies that a change detection pass\n * does not result in additional changes to any bindings (also known as\n * unidirectional data flow).\n *\n * @publicApi\n */\nfunction enableProdMode() {\n if (_runModeLocked) {\n throw new Error('Cannot enable prod mode after platform setup.');\n }\n _devMode = false;\n}\n\n/**\n * @fileoverview added by tsickle\n * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc\n */\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This helper class is used to get hold of an inert tree of DOM elements containing dirty HTML\n * that needs sanitizing.\n * Depending upon browser support we must use one of three strategies for doing this.\n * Support: Safari 10.x -> XHR strategy\n * Support: Firefox -> DomParser strategy\n * Default: InertDocument strategy\n */\nclass InertBodyHelper {\n /**\n * @param {?} defaultDoc\n */\n constructor(defaultDoc) {\n this.defaultDoc = defaultDoc;\n this.inertDocument = this.defaultDoc.implementation.createHTMLDocument('sanitization-inert');\n this.inertBodyElement = this.inertDocument.body;\n if (this.inertBodyElement == null) {\n // usually there should be only one body element in the document, but IE doesn't have any, so\n // we need to create one.\n /** @type {?} */\n const inertHtml = this.inertDocument.createElement('html');\n this.inertDocument.appendChild(inertHtml);\n this.inertBodyElement = this.inertDocument.createElement('body');\n inertHtml.appendChild(this.inertBodyElement);\n }\n this.inertBodyElement.innerHTML = '';\n if (this.inertBodyElement.querySelector && !this.inertBodyElement.querySelector('svg')) {\n // We just hit the Safari 10.1 bug - which allows JS to run inside the SVG G element\n // so use the XHR strategy.\n this.getInertBodyElement = this.getInertBodyElement_XHR;\n return;\n }\n this.inertBodyElement.innerHTML =\n '