{"version":3,"file":"549.6c503a9fea3b4142.js","sources":["./node_modules/rxjs/dist/esm/internal/scheduler/Action.js","./node_modules/rxjs/dist/esm/internal/scheduler/intervalProvider.js","./node_modules/rxjs/dist/esm/internal/scheduler/AsyncAction.js","./node_modules/rxjs/dist/esm/internal/operators/distinctUntilChanged.js","./node_modules/@angular/cdk/fesm2022/focus-monitor-fc0bdee7.mjs","./node_modules/@angular/cdk/fesm2022/platform-610a08ae.mjs","./node_modules/@angular/cdk/fesm2022/a11y-module-1746e350.mjs","./node_modules/@angular/material/fesm2022/structural-styles-326dcb39.mjs","./node_modules/@angular/material/fesm2022/common-module-a39ee957.mjs","./node_modules/@angular/material/fesm2022/module-6b33072b.mjs","./node_modules/rxjs/dist/esm/internal/operators/debounceTime.js","./node_modules/@angular/cdk/fesm2022/shadow-dom-9f403d00.mjs","./node_modules/@angular/cdk/fesm2022/array-88e1bec3.mjs","./node_modules/@angular/cdk/fesm2022/element-08c51fcd.mjs","./node_modules/@angular/cdk/fesm2022/keycodes-107cd3e4.mjs","./node_modules/@angular/material/fesm2022/ripple-loader-dabcd93d.mjs","./node_modules/@angular/material/fesm2022/icon-button-655c4ed3.mjs","./node_modules/rxjs/dist/esm/internal/scheduler/dateTimestampProvider.js","./node_modules/@angular/material/fesm2022/index-a36e3c7c.mjs","./node_modules/@angular/cdk/fesm2022/backwards-compatibility-bcbe473e.mjs","./node_modules/@angular/cdk/fesm2022/breakpoints-observer-75147d6a.mjs","./node_modules/@angular/cdk/fesm2022/bidi-module-56dd006c.mjs","./node_modules/rxjs/dist/esm/internal/operators/skip.js","./node_modules/@angular/material/fesm2022/ripple-5bdada85.mjs","./node_modules/rxjs/dist/esm/internal/scheduler/async.js","./node_modules/@angular/cdk/fesm2022/passive-listeners-c0bdc49f.mjs","./node_modules/@angular/cdk/fesm2022/fake-event-detection-7055b1bd.mjs","./node_modules/@angular/cdk/fesm2022/style-loader-51b80670.mjs","./node_modules/rxjs/dist/esm/internal/Scheduler.js","./node_modules/rxjs/dist/esm/internal/scheduler/AsyncScheduler.js","./node_modules/@angular/cdk/fesm2022/visually-hidden-7e8689f8.mjs"],"sourceRoot":"webpack:///","sourcesContent":["import { Subscription } from '../Subscription';\nexport class Action extends Subscription {\n constructor(scheduler, work) {\n super();\n }\n schedule(state, delay = 0) {\n return this;\n }\n}\n","export const intervalProvider = {\n setInterval(handler, timeout, ...args) {\n const { delegate } = intervalProvider;\n if (delegate === null || delegate === void 0 ? void 0 : delegate.setInterval) {\n return delegate.setInterval(handler, timeout, ...args);\n }\n return setInterval(handler, timeout, ...args);\n },\n clearInterval(handle) {\n const { delegate } = intervalProvider;\n return ((delegate === null || delegate === void 0 ? void 0 : delegate.clearInterval) || clearInterval)(handle);\n },\n delegate: undefined,\n};\n","import { Action } from './Action';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nexport class AsyncAction extends Action {\n constructor(scheduler, work) {\n super(scheduler, work);\n this.scheduler = scheduler;\n this.work = work;\n this.pending = false;\n }\n schedule(state, delay = 0) {\n var _a;\n if (this.closed) {\n return this;\n }\n this.state = state;\n const id = this.id;\n const scheduler = this.scheduler;\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n this.pending = true;\n this.delay = delay;\n this.id = (_a = this.id) !== null && _a !== void 0 ? _a : this.requestAsyncId(scheduler, this.id, delay);\n return this;\n }\n requestAsyncId(scheduler, _id, delay = 0) {\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n }\n recycleAsyncId(_scheduler, id, delay = 0) {\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n return undefined;\n }\n execute(state, delay) {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n this.pending = false;\n const error = this._execute(state, delay);\n if (error) {\n return error;\n }\n else if (this.pending === false && this.id != null) {\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n }\n _execute(state, _delay) {\n let errored = false;\n let errorValue;\n try {\n this.work(state);\n }\n catch (e) {\n errored = true;\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n }\n unsubscribe() {\n if (!this.closed) {\n const { id, scheduler } = this;\n const { actions } = scheduler;\n this.work = this.state = this.scheduler = null;\n this.pending = false;\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n this.delay = null;\n super.unsubscribe();\n }\n }\n}\n","import { identity } from '../util/identity';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function distinctUntilChanged(comparator, keySelector = identity) {\n comparator = comparator !== null && comparator !== void 0 ? comparator : defaultCompare;\n return operate((source, subscriber) => {\n let previousKey;\n let first = true;\n source.subscribe(createOperatorSubscriber(subscriber, (value) => {\n const currentKey = keySelector(value);\n if (first || !comparator(previousKey, currentKey)) {\n first = false;\n previousKey = currentKey;\n subscriber.next(value);\n }\n }));\n });\n}\nfunction defaultCompare(a, b) {\n return a === b;\n}\n","import * as i0 from '@angular/core';\nimport { InjectionToken, inject, NgZone, RendererFactory2, Injectable, ElementRef, EventEmitter, Directive, Output } from '@angular/core';\nimport { BehaviorSubject, Subject, of } from 'rxjs';\nimport { skip, distinctUntilChanged, takeUntil } from 'rxjs/operators';\nimport { DOCUMENT } from '@angular/common';\nimport { i as isFakeMousedownFromScreenReader, a as isFakeTouchstartFromScreenReader } from './fake-event-detection-7055b1bd.mjs';\nimport { A as ALT, C as CONTROL, M as MAC_META, a as META, S as SHIFT } from './keycodes-107cd3e4.mjs';\nimport { _ as _getEventTarget, a as _getShadowRoot } from './shadow-dom-9f403d00.mjs';\nimport { _ as _bindEventWithOptions } from './backwards-compatibility-bcbe473e.mjs';\nimport { P as Platform } from './platform-610a08ae.mjs';\nimport { n as normalizePassiveListenerOptions } from './passive-listeners-c0bdc49f.mjs';\nimport { c as coerceElement } from './element-08c51fcd.mjs';\n\n/**\n * Injectable options for the InputModalityDetector. These are shallowly merged with the default\n * options.\n */\nconst INPUT_MODALITY_DETECTOR_OPTIONS = new InjectionToken('cdk-input-modality-detector-options');\n/**\n * Default options for the InputModalityDetector.\n *\n * Modifier keys are ignored by default (i.e. when pressed won't cause the service to detect\n * keyboard input modality) for two reasons:\n *\n * 1. Modifier keys are commonly used with mouse to perform actions such as 'right click' or 'open\n * in new tab', and are thus less representative of actual keyboard interaction.\n * 2. VoiceOver triggers some keyboard events when linearly navigating with Control + Option (but\n * confusingly not with Caps Lock). Thus, to have parity with other screen readers, we ignore\n * these keys so as to not update the input modality.\n *\n * Note that we do not by default ignore the right Meta key on Safari because it has the same key\n * code as the ContextMenu key on other browsers. When we switch to using event.key, we can\n * distinguish between the two.\n */\nconst INPUT_MODALITY_DETECTOR_DEFAULT_OPTIONS = {\n ignoreKeys: [ALT, CONTROL, MAC_META, META, SHIFT],\n};\n/**\n * The amount of time needed to pass after a touchstart event in order for a subsequent mousedown\n * event to be attributed as mouse and not touch.\n *\n * This is the value used by AngularJS Material. Through trial and error (on iPhone 6S) they found\n * that a value of around 650ms seems appropriate.\n */\nconst TOUCH_BUFFER_MS = 650;\n/**\n * Event listener options that enable capturing and also mark the listener as passive if the browser\n * supports it.\n */\nconst modalityEventListenerOptions = {\n passive: true,\n capture: true,\n};\n/**\n * Service that detects the user's input modality.\n *\n * This service does not update the input modality when a user navigates with a screen reader\n * (e.g. linear navigation with VoiceOver, object navigation / browse mode with NVDA, virtual PC\n * cursor mode with JAWS). This is in part due to technical limitations (i.e. keyboard events do not\n * fire as expected in these modes) but is also arguably the correct behavior. Navigating with a\n * screen reader is akin to visually scanning a page, and should not be interpreted as actual user\n * input interaction.\n *\n * When a user is not navigating but *interacting* with a screen reader, this service attempts to\n * update the input modality to keyboard, but in general this service's behavior is largely\n * undefined.\n */\nclass InputModalityDetector {\n _platform = inject(Platform);\n _listenerCleanups;\n /** Emits whenever an input modality is detected. */\n modalityDetected;\n /** Emits when the input modality changes. */\n modalityChanged;\n /** The most recently detected input modality. */\n get mostRecentModality() {\n return this._modality.value;\n }\n /**\n * The most recently detected input modality event target. Is null if no input modality has been\n * detected or if the associated event target is null for some unknown reason.\n */\n _mostRecentTarget = null;\n /** The underlying BehaviorSubject that emits whenever an input modality is detected. */\n _modality = new BehaviorSubject(null);\n /** Options for this InputModalityDetector. */\n _options;\n /**\n * The timestamp of the last touch input modality. Used to determine whether mousedown events\n * should be attributed to mouse or touch.\n */\n _lastTouchMs = 0;\n /**\n * Handles keydown events. Must be an arrow function in order to preserve the context when it gets\n * bound.\n */\n _onKeydown = (event) => {\n // If this is one of the keys we should ignore, then ignore it and don't update the input\n // modality to keyboard.\n if (this._options?.ignoreKeys?.some(keyCode => keyCode === event.keyCode)) {\n return;\n }\n this._modality.next('keyboard');\n this._mostRecentTarget = _getEventTarget(event);\n };\n /**\n * Handles mousedown events. Must be an arrow function in order to preserve the context when it\n * gets bound.\n */\n _onMousedown = (event) => {\n // Touches trigger both touch and mouse events, so we need to distinguish between mouse events\n // that were triggered via mouse vs touch. To do so, check if the mouse event occurs closely\n // after the previous touch event.\n if (Date.now() - this._lastTouchMs < TOUCH_BUFFER_MS) {\n return;\n }\n // Fake mousedown events are fired by some screen readers when controls are activated by the\n // screen reader. Attribute them to keyboard input modality.\n this._modality.next(isFakeMousedownFromScreenReader(event) ? 'keyboard' : 'mouse');\n this._mostRecentTarget = _getEventTarget(event);\n };\n /**\n * Handles touchstart events. Must be an arrow function in order to preserve the context when it\n * gets bound.\n */\n _onTouchstart = (event) => {\n // Same scenario as mentioned in _onMousedown, but on touch screen devices, fake touchstart\n // events are fired. Again, attribute to keyboard input modality.\n if (isFakeTouchstartFromScreenReader(event)) {\n this._modality.next('keyboard');\n return;\n }\n // Store the timestamp of this touch event, as it's used to distinguish between mouse events\n // triggered via mouse vs touch.\n this._lastTouchMs = Date.now();\n this._modality.next('touch');\n this._mostRecentTarget = _getEventTarget(event);\n };\n constructor() {\n const ngZone = inject(NgZone);\n const document = inject(DOCUMENT);\n const options = inject(INPUT_MODALITY_DETECTOR_OPTIONS, { optional: true });\n this._options = {\n ...INPUT_MODALITY_DETECTOR_DEFAULT_OPTIONS,\n ...options,\n };\n // Skip the first emission as it's null.\n this.modalityDetected = this._modality.pipe(skip(1));\n this.modalityChanged = this.modalityDetected.pipe(distinctUntilChanged());\n // If we're not in a browser, this service should do nothing, as there's no relevant input\n // modality to detect.\n if (this._platform.isBrowser) {\n const renderer = inject(RendererFactory2).createRenderer(null, null);\n this._listenerCleanups = ngZone.runOutsideAngular(() => {\n return [\n _bindEventWithOptions(renderer, document, 'keydown', this._onKeydown, modalityEventListenerOptions),\n _bindEventWithOptions(renderer, document, 'mousedown', this._onMousedown, modalityEventListenerOptions),\n _bindEventWithOptions(renderer, document, 'touchstart', this._onTouchstart, modalityEventListenerOptions),\n ];\n });\n }\n }\n ngOnDestroy() {\n this._modality.complete();\n this._listenerCleanups?.forEach(cleanup => cleanup());\n }\n static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: \"12.0.0\", version: \"19.2.0\", ngImport: i0, type: InputModalityDetector, deps: [], target: i0.ɵɵFactoryTarget.Injectable });\n static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: \"12.0.0\", version: \"19.2.0\", ngImport: i0, type: InputModalityDetector, providedIn: 'root' });\n}\ni0.ɵɵngDeclareClassMetadata({ minVersion: \"12.0.0\", version: \"19.2.0\", ngImport: i0, type: InputModalityDetector, decorators: [{\n type: Injectable,\n args: [{ providedIn: 'root' }]\n }], ctorParameters: () => [] });\n\n/** Detection mode used for attributing the origin of a focus event. */\nvar FocusMonitorDetectionMode;\n(function (FocusMonitorDetectionMode) {\n /**\n * Any mousedown, keydown, or touchstart event that happened in the previous\n * tick or the current tick will be used to assign a focus event's origin (to\n * either mouse, keyboard, or touch). This is the default option.\n */\n FocusMonitorDetectionMode[FocusMonitorDetectionMode[\"IMMEDIATE\"] = 0] = \"IMMEDIATE\";\n /**\n * A focus event's origin is always attributed to the last corresponding\n * mousedown, keydown, or touchstart event, no matter how long ago it occurred.\n */\n FocusMonitorDetectionMode[FocusMonitorDetectionMode[\"EVENTUAL\"] = 1] = \"EVENTUAL\";\n})(FocusMonitorDetectionMode || (FocusMonitorDetectionMode = {}));\n/** InjectionToken for FocusMonitorOptions. */\nconst FOCUS_MONITOR_DEFAULT_OPTIONS = new InjectionToken('cdk-focus-monitor-default-options');\n/**\n * Event listener options that enable capturing and also\n * mark the listener as passive if the browser supports it.\n */\nconst captureEventListenerOptions = normalizePassiveListenerOptions({\n passive: true,\n capture: true,\n});\n/** Monitors mouse and keyboard events to determine the cause of focus events. */\nclass FocusMonitor {\n _ngZone = inject(NgZone);\n _platform = inject(Platform);\n _inputModalityDetector = inject(InputModalityDetector);\n /** The focus origin that the next focus event is a result of. */\n _origin = null;\n /** The FocusOrigin of the last focus event tracked by the FocusMonitor. */\n _lastFocusOrigin;\n /** Whether the window has just been focused. */\n _windowFocused = false;\n /** The timeout id of the window focus timeout. */\n _windowFocusTimeoutId;\n /** The timeout id of the origin clearing timeout. */\n _originTimeoutId;\n /**\n * Whether the origin was determined via a touch interaction. Necessary as properly attributing\n * focus events to touch interactions requires special logic.\n */\n _originFromTouchInteraction = false;\n /** Map of elements being monitored to their info. */\n _elementInfo = new Map();\n /** The number of elements currently being monitored. */\n _monitoredElementCount = 0;\n /**\n * Keeps track of the root nodes to which we've currently bound a focus/blur handler,\n * as well as the number of monitored elements that they contain. We have to treat focus/blur\n * handlers differently from the rest of the events, because the browser won't emit events\n * to the document when focus moves inside of a shadow root.\n */\n _rootNodeFocusListenerCount = new Map();\n /**\n * The specified detection mode, used for attributing the origin of a focus\n * event.\n */\n _detectionMode;\n /**\n * Event listener for `focus` events on the window.\n * Needs to be an arrow function in order to preserve the context when it gets bound.\n */\n _windowFocusListener = () => {\n // Make a note of when the window regains focus, so we can\n // restore the origin info for the focused element.\n this._windowFocused = true;\n this._windowFocusTimeoutId = setTimeout(() => (this._windowFocused = false));\n };\n /** Used to reference correct document/window */\n _document = inject(DOCUMENT, { optional: true });\n /** Subject for stopping our InputModalityDetector subscription. */\n _stopInputModalityDetector = new Subject();\n constructor() {\n const options = inject(FOCUS_MONITOR_DEFAULT_OPTIONS, {\n optional: true,\n });\n this._detectionMode = options?.detectionMode || FocusMonitorDetectionMode.IMMEDIATE;\n }\n /**\n * Event listener for `focus` and 'blur' events on the document.\n * Needs to be an arrow function in order to preserve the context when it gets bound.\n */\n _rootNodeFocusAndBlurListener = (event) => {\n const target = _getEventTarget(event);\n // We need to walk up the ancestor chain in order to support `checkChildren`.\n for (let element = target; element; element = element.parentElement) {\n if (event.type === 'focus') {\n this._onFocus(event, element);\n }\n else {\n this._onBlur(event, element);\n }\n }\n };\n monitor(element, checkChildren = false) {\n const nativeElement = coerceElement(element);\n // Do nothing if we're not on the browser platform or the passed in node isn't an element.\n if (!this._platform.isBrowser || nativeElement.nodeType !== 1) {\n // Note: we don't want the observable to emit at all so we don't pass any parameters.\n return of();\n }\n // If the element is inside the shadow DOM, we need to bind our focus/blur listeners to\n // the shadow root, rather than the `document`, because the browser won't emit focus events\n // to the `document`, if focus is moving within the same shadow root.\n const rootNode = _getShadowRoot(nativeElement) || this._getDocument();\n const cachedInfo = this._elementInfo.get(nativeElement);\n // Check if we're already monitoring this element.\n if (cachedInfo) {\n if (checkChildren) {\n // TODO(COMP-318): this can be problematic, because it'll turn all non-checkChildren\n // observers into ones that behave as if `checkChildren` was turned on. We need a more\n // robust solution.\n cachedInfo.checkChildren = true;\n }\n return cachedInfo.subject;\n }\n // Create monitored element info.\n const info = {\n checkChildren: checkChildren,\n subject: new Subject(),\n rootNode,\n };\n this._elementInfo.set(nativeElement, info);\n this._registerGlobalListeners(info);\n return info.subject;\n }\n stopMonitoring(element) {\n const nativeElement = coerceElement(element);\n const elementInfo = this._elementInfo.get(nativeElement);\n if (elementInfo) {\n elementInfo.subject.complete();\n this._setClasses(nativeElement);\n this._elementInfo.delete(nativeElement);\n this._removeGlobalListeners(elementInfo);\n }\n }\n focusVia(element, origin, options) {\n const nativeElement = coerceElement(element);\n const focusedElement = this._getDocument().activeElement;\n // If the element is focused already, calling `focus` again won't trigger the event listener\n // which means that the focus classes won't be updated. If that's the case, update the classes\n // directly without waiting for an event.\n if (nativeElement === focusedElement) {\n this._getClosestElementsInfo(nativeElement).forEach(([currentElement, info]) => this._originChanged(currentElement, origin, info));\n }\n else {\n this._setOrigin(origin);\n // `focus` isn't available on the server\n if (typeof nativeElement.focus === 'function') {\n nativeElement.focus(options);\n }\n }\n }\n ngOnDestroy() {\n this._elementInfo.forEach((_info, element) => this.stopMonitoring(element));\n }\n /** Access injected document if available or fallback to global document reference */\n _getDocument() {\n return this._document || document;\n }\n /** Use defaultView of injected document if available or fallback to global window reference */\n _getWindow() {\n const doc = this._getDocument();\n return doc.defaultView || window;\n }\n _getFocusOrigin(focusEventTarget) {\n if (this._origin) {\n // If the origin was realized via a touch interaction, we need to perform additional checks\n // to determine whether the focus origin should be attributed to touch or program.\n if (this._originFromTouchInteraction) {\n return this._shouldBeAttributedToTouch(focusEventTarget) ? 'touch' : 'program';\n }\n else {\n return this._origin;\n }\n }\n // If the window has just regained focus, we can restore the most recent origin from before the\n // window blurred. Otherwise, we've reached the point where we can't identify the source of the\n // focus. This typically means one of two things happened:\n //\n // 1) The element was programmatically focused, or\n // 2) The element was focused via screen reader navigation (which generally doesn't fire\n // events).\n //\n // Because we can't distinguish between these two cases, we default to setting `program`.\n if (this._windowFocused && this._lastFocusOrigin) {\n return this._lastFocusOrigin;\n }\n // If the interaction is coming from an input label, we consider it a mouse interactions.\n // This is a special case where focus moves on `click`, rather than `mousedown` which breaks\n // our detection, because all our assumptions are for `mousedown`. We need to handle this\n // special case, because it's very common for checkboxes and radio buttons.\n if (focusEventTarget && this._isLastInteractionFromInputLabel(focusEventTarget)) {\n return 'mouse';\n }\n return 'program';\n }\n /**\n * Returns whether the focus event should be attributed to touch. Recall that in IMMEDIATE mode, a\n * touch origin isn't immediately reset at the next tick (see _setOrigin). This means that when we\n * handle a focus event following a touch interaction, we need to determine whether (1) the focus\n * event was directly caused by the touch interaction or (2) the focus event was caused by a\n * subsequent programmatic focus call triggered by the touch interaction.\n * @param focusEventTarget The target of the focus event under examination.\n */\n _shouldBeAttributedToTouch(focusEventTarget) {\n // Please note that this check is not perfect. Consider the following edge case:\n //\n //