| 1 | {"ast":null,"code":"import { isObservable, of, Subject } from 'rxjs';\nimport * as i0 from '@angular/core';\nimport { Injectable, InjectionToken } from '@angular/core';\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 */\n\nclass DataSource {}\n/** Checks whether an object is a data source. */\n\n\nfunction isDataSource(value) {\n // Check if the value is a DataSource by observing if it has a connect function. Cannot\n // be checked as an `instanceof DataSource` since people could create their own sources\n // that match the interface, but don't extend DataSource.\n return value && typeof value.connect === 'function';\n}\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 */\n\n/** DataSource wrapper for a native array. */\n\n\nclass ArrayDataSource extends DataSource {\n constructor(_data) {\n super();\n this._data = _data;\n }\n\n connect() {\n return isObservable(this._data) ? this._data : of(this._data);\n }\n\n disconnect() {}\n\n}\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 */\n\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 */\n\n/**\n * A repeater that destroys views when they are removed from a\n * {@link ViewContainerRef}. When new items are inserted into the container,\n * the repeater will always construct a new embedded view for each item.\n *\n * @template T The type for the embedded view's $implicit property.\n * @template R The type for the item in each IterableDiffer change record.\n * @template C The type for the context passed to each embedded view.\n */\n\n\nclass _DisposeViewRepeaterStrategy {\n applyChanges(changes, viewContainerRef, itemContextFactory, itemValueResolver, itemViewChanged) {\n changes.forEachOperation((record, adjustedPreviousIndex, currentIndex) => {\n let view;\n let operation;\n\n if (record.previousIndex == null) {\n const insertContext = itemContextFactory(record, adjustedPreviousIndex, currentIndex);\n view = viewContainerRef.createEmbeddedView(insertContext.templateRef, insertContext.context, insertContext.index);\n operation = 1\n /* INSERTED */\n ;\n } else if (currentIndex == null) {\n viewContainerRef.remove(adjustedPreviousIndex);\n operation = 3\n /* REMOVED */\n ;\n } else {\n view = viewContainerRef.get(adjustedPreviousIndex);\n viewContainerRef.move(view, currentIndex);\n operation = 2\n /* MOVED */\n ;\n }\n\n if (itemViewChanged) {\n itemViewChanged({\n context: view?.context,\n operation,\n record\n });\n }\n });\n }\n\n detach() {}\n\n}\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 */\n\n/**\n * A repeater that caches views when they are removed from a\n * {@link ViewContainerRef}. When new items are inserted into the container,\n * the repeater will reuse one of the cached views instead of creating a new\n * embedded view. Recycling cached views reduces the quantity of expensive DOM\n * inserts.\n *\n * @template T The type for the embedded view's $implicit property.\n * @template R The type for the item in each IterableDiffer change record.\n * @template C The type for the context passed to each embedded view.\n */\n\n\nclass _RecycleViewRepeaterStrategy {\n constructor() {\n /**\n * The size of the cache used to store unused views.\n * Setting the cache size to `0` will disable caching. Defaults to 20 views.\n */\n this.viewCacheSize = 20;\n /**\n * View cache that stores embedded view instances that have been previously stamped out,\n * but don't are not currently rendered. The view repeater will reuse these views rather than\n * creating brand new ones.\n *\n * TODO(michaeljamesparsons) Investigate whether using a linked list would improve performance.\n */\n\n this._viewCache = [];\n }\n /** Apply changes to the DOM. */\n\n\n applyChanges(changes, viewContainerRef, itemContextFactory, itemValueResolver, itemViewChanged) {\n // Rearrange the views to put them in the right location.\n changes.forEachOperation((record, adjustedPreviousIndex, currentIndex) => {\n let view;\n let operation;\n\n if (record.previousIndex == null) {\n // Item added.\n const viewArgsFactory = () => itemContextFactory(record, adjustedPreviousIndex, currentIndex);\n\n view = this._insertView(viewArgsFactory, currentIndex, viewContainerRef, itemValueResolver(record));\n operation = view ? 1\n /* INSERTED */\n : 0\n /* REPLACED */\n ;\n } else if (currentIndex == null) {\n // Item removed.\n this._detachAndCacheView(adjustedPreviousIndex, viewContainerRef);\n\n operation = 3\n /* REMOVED */\n ;\n } else {\n // Item moved.\n view = this._moveView(adjustedPreviousIndex, currentIndex, viewContainerRef, itemValueResolver(record));\n operation = 2\n /* MOVED */\n ;\n }\n\n if (itemViewChanged) {\n itemViewChanged({\n context: view?.context,\n operation,\n record\n });\n }\n });\n }\n\n detach() {\n for (const view of this._viewCache) {\n view.destroy();\n }\n\n this._viewCache = [];\n }\n /**\n * Inserts a view for a new item, either from the cache or by creating a new\n * one. Returns `undefined` if the item was inserted into a cached view.\n */\n\n\n _insertView(viewArgsFactory, currentIndex, viewContainerRef, value) {\n const cachedView = this._insertViewFromCache(currentIndex, viewContainerRef);\n\n if (cachedView) {\n cachedView.context.$implicit = value;\n return undefined;\n }\n\n const viewArgs = viewArgsFactory();\n return viewContainerRef.createEmbeddedView(viewArgs.templateRef, viewArgs.context, viewArgs.index);\n }\n /** Detaches the view at the given index and inserts into the view cache. */\n\n\n _detachAndCacheView(index, viewContainerRef) {\n const detachedView = viewContainerRef.detach(index);\n\n this._maybeCacheView(detachedView, viewContainerRef);\n }\n /** Moves view at the previous index to the current index. */\n\n\n _moveView(adjustedPreviousIndex, currentIndex, viewContainerRef, value) {\n const view = viewContainerRef.get(adjustedPreviousIndex);\n viewContainerRef.move(view, currentIndex);\n view.context.$implicit = value;\n return view;\n }\n /**\n * Cache the given detached view. If the cache is full, the view will be\n * destroyed.\n */\n\n\n _maybeCacheView(view, viewContainerRef) {\n if (this._viewCache.length < this.viewCacheSize) {\n this._viewCache.push(view);\n } else {\n const index = viewContainerRef.indexOf(view); // The host component could remove views from the container outside of\n // the view repeater. It's unlikely this will occur, but just in case,\n // destroy the view on its own, otherwise destroy it through the\n // container to ensure that all the references are removed.\n\n if (index === -1) {\n view.destroy();\n } else {\n viewContainerRef.remove(index);\n }\n }\n }\n /** Inserts a recycled view from the cache at the given index. */\n\n\n _insertViewFromCache(index, viewContainerRef) {\n const cachedView = this._viewCache.pop();\n\n if (cachedView) {\n viewContainerRef.insert(cachedView, index);\n }\n\n return cachedView || null;\n }\n\n}\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 */\n\n/**\n * Class to be used to power selecting one or more options from a list.\n */\n\n\nclass SelectionModel {\n constructor(_multiple = false, initiallySelectedValues, _emitChanges = true) {\n this._multiple = _multiple;\n this._emitChanges = _emitChanges;\n /** Currently-selected values. */\n\n this._selection = new Set();\n /** Keeps track of the deselected options that haven't been emitted by the change event. */\n\n this._deselectedToEmit = [];\n /** Keeps track of the selected options that haven't been emitted by the change event. */\n\n this._selectedToEmit = [];\n /** Event emitted when the value has changed. */\n\n this.changed = new Subject();\n\n if (initiallySelectedValues && initiallySelectedValues.length) {\n if (_multiple) {\n initiallySelectedValues.forEach(value => this._markSelected(value));\n } else {\n this._markSelected(initiallySelectedValues[0]);\n } // Clear the array in order to avoid firing the change event for preselected values.\n\n\n this._selectedToEmit.length = 0;\n }\n }\n /** Selected values. */\n\n\n get selected() {\n if (!this._selected) {\n this._selected = Array.from(this._selection.values());\n }\n\n return this._selected;\n }\n /**\n * Selects a value or an array of values.\n */\n\n\n select(...values) {\n this._verifyValueAssignment(values);\n\n values.forEach(value => this._markSelected(value));\n\n this._emitChangeEvent();\n }\n /**\n * Deselects a value or an array of values.\n */\n\n\n deselect(...values) {\n this._verifyValueAssignment(values);\n\n values.forEach(value => this._unmarkSelected(value));\n\n this._emitChangeEvent();\n }\n /**\n * Toggles a value between selected and deselected.\n */\n\n\n toggle(value) {\n this.isSelected(value) ? this.deselect(value) : this.select(value);\n }\n /**\n * Clears all of the selected values.\n */\n\n\n clear() {\n this._unmarkAll();\n\n this._emitChangeEvent();\n }\n /**\n * Determines whether a value is selected.\n */\n\n\n isSelected(value) {\n return this._selection.has(value);\n }\n /**\n * Determines whether the model does not have a value.\n */\n\n\n isEmpty() {\n return this._selection.size === 0;\n }\n /**\n * Determines whether the model has a value.\n */\n\n\n hasValue() {\n return !this.isEmpty();\n }\n /**\n * Sorts the selected values based on a predicate function.\n */\n\n\n sort(predicate) {\n if (this._multiple && this.selected) {\n this._selected.sort(predicate);\n }\n }\n /**\n * Gets whether multiple values can be selected.\n */\n\n\n isMultipleSelection() {\n return this._multiple;\n }\n /** Emits a change event and clears the records of selected and deselected values. */\n\n\n _emitChangeEvent() {\n // Clear the selected values so they can be re-cached.\n this._selected = null;\n\n if (this._selectedToEmit.length || this._deselectedToEmit.length) {\n this.changed.next({\n source: this,\n added: this._selectedToEmit,\n removed: this._deselectedToEmit\n });\n this._deselectedToEmit = [];\n this._selectedToEmit = [];\n }\n }\n /** Selects a value. */\n\n\n _markSelected(value) {\n if (!this.isSelected(value)) {\n if (!this._multiple) {\n this._unmarkAll();\n }\n\n this._selection.add(value);\n\n if (this._emitChanges) {\n this._selectedToEmit.push(value);\n }\n }\n }\n /** Deselects a value. */\n\n\n _unmarkSelected(value) {\n if (this.isSelected(value)) {\n this._selection.delete(value);\n\n if (this._emitChanges) {\n this._deselectedToEmit.push(value);\n }\n }\n }\n /** Clears out the selected values. */\n\n\n _unmarkAll() {\n if (!this.isEmpty()) {\n this._selection.forEach(value => this._unmarkSelected(value));\n }\n }\n /**\n * Verifies the value assignment and throws an error if the specified value array is\n * including multiple values while the selection model is not supporting multiple values.\n */\n\n\n _verifyValueAssignment(values) {\n if (values.length > 1 && !this._multiple && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n throw getMultipleValuesInSingleSelectionError();\n }\n }\n\n}\n/**\n * Returns an error that reports that multiple values are passed into a selection model\n * with a single value.\n * @docs-private\n */\n\n\nfunction getMultipleValuesInSingleSelectionError() {\n return Error('Cannot pass multiple values into SelectionModel with single-value mode.');\n}\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 */\n\n/**\n * Class to coordinate unique selection based on name.\n * Intended to be consumed as an Angular service.\n * This service is needed because native radio change events are only fired on the item currently\n * being selected, and we still need to uncheck the previous selection.\n *\n * This service does not *store* any IDs and names because they may change at any time, so it is\n * less error-prone if they are simply passed through when the events occur.\n */\n\n\nclass UniqueSelectionDispatcher {\n constructor() {\n this._listeners = [];\n }\n /**\n * Notify other items that selection for the given name has been set.\n * @param id ID of the item.\n * @param name Name of the item.\n */\n\n\n notify(id, name) {\n for (let listener of this._listeners) {\n listener(id, name);\n }\n }\n /**\n * Listen for future changes to item selection.\n * @return Function used to deregister listener\n */\n\n\n listen(listener) {\n this._listeners.push(listener);\n\n return () => {\n this._listeners = this._listeners.filter(registered => {\n return listener !== registered;\n });\n };\n }\n\n ngOnDestroy() {\n this._listeners = [];\n }\n\n}\n\nUniqueSelectionDispatcher.ɵfac = function UniqueSelectionDispatcher_Factory(t) {\n return new (t || UniqueSelectionDispatcher)();\n};\n\nUniqueSelectionDispatcher.ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: UniqueSelectionDispatcher,\n factory: UniqueSelectionDispatcher.ɵfac,\n providedIn: 'root'\n});\n\n(function () {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && i0.ɵsetClassMetadata(UniqueSelectionDispatcher, [{\n type: Injectable,\n args: [{\n providedIn: 'root'\n }]\n }], null, null);\n})();\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 */\n\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 */\n\n/**\n * Injection token for {@link _ViewRepeater}. This token is for use by Angular Material only.\n * @docs-private\n */\n\n\nconst _VIEW_REPEATER_STRATEGY = new InjectionToken('_ViewRepeater');\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 */\n\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 */\n\n/**\n * Generated bundle index. 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Cannot\n // be checked as an `instanceof DataSource` since people could create their own sources\n // that match the interface, but don't extend DataSource.\n return value && typeof value.connect === 'function';\n}\n\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 */\n/** DataSource wrapper for a native array. */\nclass ArrayDataSource extends DataSource {\n constructor(_data) {\n super();\n this._data = _data;\n }\n connect() {\n return isObservable(this._data) ? this._data : of(this._data);\n }\n disconnect() { }\n}\n\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 */\n\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 */\n/**\n * A repeater that destroys views when they are removed from a\n * {@link ViewContainerRef}. When new items are inserted into the container,\n * the repeater will always construct a new embedded view for each item.\n *\n * @template T The type for the embedded view's $implicit property.\n * @template R The type for the item in each IterableDiffer change record.\n * @template C The type for the context passed to each embedded view.\n */\nclass _DisposeViewRepeaterStrategy {\n applyChanges(changes, viewContainerRef, itemContextFactory, itemValueResolver, itemViewChanged) {\n changes.forEachOperation((record, adjustedPreviousIndex, currentIndex) => {\n let view;\n let operation;\n if (record.previousIndex == null) {\n const insertContext = itemContextFactory(record, adjustedPreviousIndex, currentIndex);\n view = viewContainerRef.createEmbeddedView(insertContext.templateRef, insertContext.context, insertContext.index);\n operation = 1 /* INSERTED */;\n }\n else if (currentIndex == null) {\n viewContainerRef.remove(adjustedPreviousIndex);\n operation = 3 /* REMOVED */;\n }\n else {\n view = viewContainerRef.get(adjustedPreviousIndex);\n viewContainerRef.move(view, currentIndex);\n operation = 2 /* MOVED */;\n }\n if (itemViewChanged) {\n itemViewChanged({\n context: view?.context,\n operation,\n record,\n });\n }\n });\n }\n detach() { }\n}\n\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 */\n/**\n * A repeater that caches views when they are removed from a\n * {@link ViewContainerRef}. When new items are inserted into the container,\n * the repeater will reuse one of the cached views instead of creating a new\n * embedded view. Recycling cached views reduces the quantity of expensive DOM\n * inserts.\n *\n * @template T The type for the embedded view's $implicit property.\n * @template R The type for the item in each IterableDiffer change record.\n * @template C The type for the context passed to each embedded view.\n */\nclass _RecycleViewRepeaterStrategy {\n constructor() {\n /**\n * The size of the cache used to store unused views.\n * Setting the cache size to `0` will disable caching. Defaults to 20 views.\n */\n this.viewCacheSize = 20;\n /**\n * View cache that stores embedded view instances that have been previously stamped out,\n * but don't are not currently rendered. The view repeater will reuse these views rather than\n * creating brand new ones.\n *\n * TODO(michaeljamesparsons) Investigate whether using a linked list would improve performance.\n */\n this._viewCache = [];\n }\n /** Apply changes to the DOM. */\n applyChanges(changes, viewContainerRef, itemContextFactory, itemValueResolver, itemViewChanged) {\n // Rearrange the views to put them in the right location.\n changes.forEachOperation((record, adjustedPreviousIndex, currentIndex) => {\n let view;\n let operation;\n if (record.previousIndex == null) {\n // Item added.\n const viewArgsFactory = () => itemContextFactory(record, adjustedPreviousIndex, currentIndex);\n view = this._insertView(viewArgsFactory, currentIndex, viewContainerRef, itemValueResolver(record));\n operation = view ? 1 /* INSERTED */ : 0 /* REPLACED */;\n }\n else if (currentIndex == null) {\n // Item removed.\n this._detachAndCacheView(adjustedPreviousIndex, viewContainerRef);\n operation = 3 /* REMOVED */;\n }\n else {\n // Item moved.\n view = this._moveView(adjustedPreviousIndex, currentIndex, viewContainerRef, itemValueResolver(record));\n operation = 2 /* MOVED */;\n }\n if (itemViewChanged) {\n itemViewChanged({\n context: view?.context,\n operation,\n record,\n });\n }\n });\n }\n detach() {\n for (const view of this._viewCache) {\n view.destroy();\n }\n this._viewCache = [];\n }\n /**\n * Inserts a view for a new item, either from the cache or by creating a new\n * one. Returns `undefined` if the item was inserted into a cached view.\n */\n _insertView(viewArgsFactory, currentIndex, viewContainerRef, value) {\n const cachedView = this._insertViewFromCache(currentIndex, viewContainerRef);\n if (cachedView) {\n cachedView.context.$implicit = value;\n return undefined;\n }\n const viewArgs = viewArgsFactory();\n return viewContainerRef.createEmbeddedView(viewArgs.templateRef, viewArgs.context, viewArgs.index);\n }\n /** Detaches the view at the given index and inserts into the view cache. */\n _detachAndCacheView(index, viewContainerRef) {\n const detachedView = viewContainerRef.detach(index);\n this._maybeCacheView(detachedView, viewContainerRef);\n }\n /** Moves view at the previous index to the current index. */\n _moveView(adjustedPreviousIndex, currentIndex, viewContainerRef, value) {\n const view = viewContainerRef.get(adjustedPreviousIndex);\n viewContainerRef.move(view, currentIndex);\n view.context.$implicit = value;\n return view;\n }\n /**\n * Cache the given detached view. If the cache is full, the view will be\n * destroyed.\n */\n _maybeCacheView(view, viewContainerRef) {\n if (this._viewCache.length < this.viewCacheSize) {\n this._viewCache.push(view);\n }\n else {\n const index = viewContainerRef.indexOf(view);\n // The host component could remove views from the container outside of\n // the view repeater. It's unlikely this will occur, but just in case,\n // destroy the view on its own, otherwise destroy it through the\n // container to ensure that all the references are removed.\n if (index === -1) {\n view.destroy();\n }\n else {\n viewContainerRef.remove(index);\n }\n }\n }\n /** Inserts a recycled view from the cache at the given index. */\n _insertViewFromCache(index, viewContainerRef) {\n const cachedView = this._viewCache.pop();\n if (cachedView) {\n viewContainerRef.insert(cachedView, index);\n }\n return cachedView || null;\n }\n}\n\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 */\n/**\n * Class to be used to power selecting one or more options from a list.\n */\nclass SelectionModel {\n constructor(_multiple = false, initiallySelectedValues, _emitChanges = true) {\n this._multiple = _multiple;\n this._emitChanges = _emitChanges;\n /** Currently-selected values. */\n this._selection = new Set();\n /** Keeps track of the deselected options that haven't been emitted by the change event. */\n this._deselectedToEmit = [];\n /** Keeps track of the selected options that haven't been emitted by the change event. */\n this._selectedToEmit = [];\n /** Event emitted when the value has changed. */\n this.changed = new Subject();\n if (initiallySelectedValues && initiallySelectedValues.length) {\n if (_multiple) {\n initiallySelectedValues.forEach(value => this._markSelected(value));\n }\n else {\n this._markSelected(initiallySelectedValues[0]);\n }\n // Clear the array in order to avoid firing the change event for preselected values.\n this._selectedToEmit.length = 0;\n }\n }\n /** Selected values. */\n get selected() {\n if (!this._selected) {\n this._selected = Array.from(this._selection.values());\n }\n return this._selected;\n }\n /**\n * Selects a value or an array of values.\n */\n select(...values) {\n this._verifyValueAssignment(values);\n values.forEach(value => this._markSelected(value));\n this._emitChangeEvent();\n }\n /**\n * Deselects a value or an array of values.\n */\n deselect(...values) {\n this._verifyValueAssignment(values);\n values.forEach(value => this._unmarkSelected(value));\n this._emitChangeEvent();\n }\n /**\n * Toggles a value between selected and deselected.\n */\n toggle(value) {\n this.isSelected(value) ? this.deselect(value) : this.select(value);\n }\n /**\n * Clears all of the selected values.\n */\n clear() {\n this._unmarkAll();\n this._emitChangeEvent();\n }\n /**\n * Determines whether a value is selected.\n */\n isSelected(value) {\n return this._selection.has(value);\n }\n /**\n * Determines whether the model does not have a value.\n */\n isEmpty() {\n return this._selection.size === 0;\n }\n /**\n * Determines whether the model has a value.\n */\n hasValue() {\n return !this.isEmpty();\n }\n /**\n * Sorts the selected values based on a predicate function.\n */\n sort(predicate) {\n if (this._multiple && this.selected) {\n this._selected.sort(predicate);\n }\n }\n /**\n * Gets whether multiple values can be selected.\n */\n isMultipleSelection() {\n return this._multiple;\n }\n /** Emits a change event and clears the records of selected and deselected values. */\n _emitChangeEvent() {\n // Clear the selected values so they can be re-cached.\n this._selected = null;\n if (this._selectedToEmit.length || this._deselectedToEmit.length) {\n this.changed.next({\n source: this,\n added: this._selectedToEmit,\n removed: this._deselectedToEmit,\n });\n this._deselectedToEmit = [];\n this._selectedToEmit = [];\n }\n }\n /** Selects a value. */\n _markSelected(value) {\n if (!this.isSelected(value)) {\n if (!this._multiple) {\n this._unmarkAll();\n }\n this._selection.add(value);\n if (this._emitChanges) {\n this._selectedToEmit.push(value);\n }\n }\n }\n /** Deselects a value. */\n _unmarkSelected(value) {\n if (this.isSelected(value)) {\n this._selection.delete(value);\n if (this._emitChanges) {\n this._deselectedToEmit.push(value);\n }\n }\n }\n /** Clears out the selected values. */\n _unmarkAll() {\n if (!this.isEmpty()) {\n this._selection.forEach(value => this._unmarkSelected(value));\n }\n }\n /**\n * Verifies the value assignment and throws an error if the specified value array is\n * including multiple values while the selection model is not supporting multiple values.\n */\n _verifyValueAssignment(values) {\n if (values.length > 1 && !this._multiple && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n throw getMultipleValuesInSingleSelectionError();\n }\n }\n}\n/**\n * Returns an error that reports that multiple values are passed into a selection model\n * with a single value.\n * @docs-private\n */\nfunction getMultipleValuesInSingleSelectionError() {\n return Error('Cannot pass multiple values into SelectionModel with single-value mode.');\n}\n\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 */\n/**\n * Class to coordinate unique selection based on name.\n * Intended to be consumed as an Angular service.\n * This service is needed because native radio change events are only fired on the item currently\n * being selected, and we still need to uncheck the previous selection.\n *\n * This service does not *store* any IDs and names because they may change at any time, so it is\n * less error-prone if they are simply passed through when the events occur.\n */\nclass UniqueSelectionDispatcher {\n constructor() {\n this._listeners = [];\n }\n /**\n * Notify other items that selection for the given name has been set.\n * @param id ID of the item.\n * @param name Name of the item.\n */\n notify(id, name) {\n for (let listener of this._listeners) {\n listener(id, name);\n }\n }\n /**\n * Listen for future changes to item selection.\n * @return Function used to deregister listener\n */\n listen(listener) {\n this._listeners.push(listener);\n return () => {\n this._listeners = this._listeners.filter((registered) => {\n return listener !== registered;\n });\n };\n }\n ngOnDestroy() {\n this._listeners = [];\n }\n}\nUniqueSelectionDispatcher.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: \"12.0.0\", version: \"13.0.1\", ngImport: i0, type: UniqueSelectionDispatcher, deps: [], target: i0.ɵɵFactoryTarget.Injectable });\nUniqueSelectionDispatcher.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: \"12.0.0\", version: \"13.0.1\", ngImport: i0, type: UniqueSelectionDispatcher, providedIn: 'root' });\ni0.ɵɵngDeclareClassMetadata({ minVersion: \"12.0.0\", version: \"13.0.1\", ngImport: i0, type: UniqueSelectionDispatcher, decorators: [{\n type: Injectable,\n args: [{ providedIn: 'root' }]\n }] });\n\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 */\n\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 */\n/**\n * Injection token for {@link _ViewRepeater}. This token is for use by Angular Material only.\n * @docs-private\n */\nconst _VIEW_REPEATER_STRATEGY = new InjectionToken('_ViewRepeater');\n\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 */\n\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 */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { ArrayDataSource, DataSource, SelectionModel, UniqueSelectionDispatcher, _DisposeViewRepeaterStrategy, _RecycleViewRepeaterStrategy, _VIEW_REPEATER_STRATEGY, getMultipleValuesInSingleSelectionError, isDataSource };\n"]},"metadata":{},"sourceType":"module"} |
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