@angular/cdk/fesm2022/accordion.mjs.map

Angular Material Component Development Kit

{"version":3,"file":"accordion.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-fdfa778d11ba/bin/src/cdk/accordion/accordion.ts","../../../../../darwin_arm64-fastbuild-ST-fdfa778d11ba/bin/src/cdk/accordion/accordion-item.ts","../../../../../darwin_arm64-fastbuild-ST-fdfa778d11ba/bin/src/cdk/accordion/accordion-module.ts"],"sourcesContent":["/**\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.dev/license\n */\n\nimport {\n  Directive,\n  InjectionToken,\n  Input,\n  OnChanges,\n  OnDestroy,\n  SimpleChanges,\n  booleanAttribute,\n  inject,\n} from '@angular/core';\nimport {_IdGenerator} from '../a11y';\nimport {Subject} from 'rxjs';\n\n/**\n * Injection token that can be used to reference instances of `CdkAccordion`. It serves\n * as alternative token to the actual `CdkAccordion` class which could cause unnecessary\n * retention of the class and its directive metadata.\n */\nexport const CDK_ACCORDION = new InjectionToken<CdkAccordion>('CdkAccordion');\n\n/**\n * Directive whose purpose is to manage the expanded state of CdkAccordionItem children.\n */\n@Directive({\n  selector: 'cdk-accordion, [cdkAccordion]',\n  exportAs: 'cdkAccordion',\n  providers: [{provide: CDK_ACCORDION, useExisting: CdkAccordion}],\n})\nexport class CdkAccordion implements OnDestroy, OnChanges {\n  /** Emits when the state of the accordion changes */\n  readonly _stateChanges = new Subject<SimpleChanges<this>>();\n\n  /** Stream that emits true/false when openAll/closeAll is triggered. */\n  readonly _openCloseAllActions: Subject<boolean> = new Subject<boolean>();\n\n  /** A readonly id value to use for unique selection coordination. */\n  readonly id: string = inject(_IdGenerator).getId('cdk-accordion-');\n\n  /** Whether the accordion should allow multiple expanded accordion items simultaneously. */\n  @Input({transform: booleanAttribute}) multi: boolean = false;\n\n  /** Opens all enabled accordion items in an accordion where multi is enabled. */\n  openAll(): void {\n    if (this.multi) {\n      this._openCloseAllActions.next(true);\n    }\n  }\n\n  /** Closes all enabled accordion items. */\n  closeAll(): void {\n    this._openCloseAllActions.next(false);\n  }\n\n  ngOnChanges(changes: SimpleChanges<this>) {\n    this._stateChanges.next(changes);\n  }\n\n  ngOnDestroy() {\n    this._stateChanges.complete();\n    this._openCloseAllActions.complete();\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.dev/license\n */\n\nimport {\n  Output,\n  Directive,\n  EventEmitter,\n  Input,\n  OnDestroy,\n  ChangeDetectorRef,\n  booleanAttribute,\n  inject,\n  OnInit,\n  signal,\n} from '@angular/core';\nimport {_IdGenerator} from '../a11y';\nimport {UniqueSelectionDispatcher} from '../collections';\nimport {CDK_ACCORDION, CdkAccordion} from './accordion';\nimport {Subscription} from 'rxjs';\n\n/**\n * A basic directive expected to be extended and decorated as a component.  Sets up all\n * events and attributes needed to be managed by a CdkAccordion parent.\n */\n@Directive({\n  selector: 'cdk-accordion-item, [cdkAccordionItem]',\n  exportAs: 'cdkAccordionItem',\n  providers: [\n    // Provide `CDK_ACCORDION` as undefined to prevent nested accordion items from\n    // registering to the same accordion.\n    {provide: CDK_ACCORDION, useValue: undefined},\n  ],\n})\nexport class CdkAccordionItem implements OnInit, OnDestroy {\n  accordion = inject<CdkAccordion>(CDK_ACCORDION, {optional: true, skipSelf: true})!;\n  private _changeDetectorRef = inject(ChangeDetectorRef);\n  protected _expansionDispatcher = inject(UniqueSelectionDispatcher);\n\n  /** Subscription to openAll/closeAll events. */\n  private _openCloseAllSubscription = Subscription.EMPTY;\n  /** Event emitted every time the AccordionItem is closed. */\n  @Output() readonly closed: EventEmitter<void> = new EventEmitter<void>();\n  /** Event emitted every time the AccordionItem is opened. */\n  @Output() readonly opened: EventEmitter<void> = new EventEmitter<void>();\n  /** Event emitted when the AccordionItem is destroyed. */\n  @Output() readonly destroyed: EventEmitter<void> = new EventEmitter<void>();\n\n  /**\n   * Emits whenever the expanded state of the accordion changes.\n   * Primarily used to facilitate two-way binding.\n   * @docs-private\n   */\n  @Output() readonly expandedChange: EventEmitter<boolean> = new EventEmitter<boolean>();\n\n  /** The unique AccordionItem id. */\n  readonly id: string = inject(_IdGenerator).getId('cdk-accordion-child-');\n\n  /** Whether the AccordionItem is expanded. */\n  @Input({transform: booleanAttribute})\n  get expanded(): boolean {\n    return this._expanded;\n  }\n  set expanded(expanded: boolean) {\n    // Only emit events and update the internal value if the value changes.\n    if (this._expanded !== expanded) {\n      this._expanded = expanded;\n      this.expandedChange.emit(expanded);\n\n      if (expanded) {\n        this.opened.emit();\n        /**\n         * In the unique selection dispatcher, the id parameter is the id of the CdkAccordionItem,\n         * the name value is the id of the accordion.\n         */\n        const accordionId = this.accordion ? this.accordion.id : this.id;\n        this._expansionDispatcher.notify(this.id, accordionId);\n      } else {\n        this.closed.emit();\n      }\n\n      // Ensures that the animation will run when the value is set outside of an `@Input`.\n      // This includes cases like the open, close and toggle methods.\n      this._changeDetectorRef.markForCheck();\n    }\n  }\n  private _expanded = false;\n\n  /** Whether the AccordionItem is disabled. */\n  @Input({transform: booleanAttribute})\n  get disabled() {\n    return this._disabled();\n  }\n  set disabled(value: boolean) {\n    this._disabled.set(value);\n  }\n  private _disabled = signal(false);\n\n  /** Unregister function for _expansionDispatcher. */\n  private _removeUniqueSelectionListener: () => void = () => {};\n\n  ngOnInit() {\n    this._removeUniqueSelectionListener = this._expansionDispatcher.listen(\n      (id: string, accordionId: string) => {\n        if (\n          this.accordion &&\n          !this.accordion.multi &&\n          this.accordion.id === accordionId &&\n          this.id !== id\n        ) {\n          this.expanded = false;\n        }\n      },\n    );\n\n    // When an accordion item is hosted in an accordion, subscribe to open/close events.\n    if (this.accordion) {\n      this._openCloseAllSubscription = this._subscribeToOpenCloseAllActions();\n    }\n  }\n\n  /** Emits an event for the accordion item being destroyed. */\n  ngOnDestroy() {\n    this.opened.complete();\n    this.closed.complete();\n    this.destroyed.emit();\n    this.destroyed.complete();\n    this._removeUniqueSelectionListener();\n    this._openCloseAllSubscription.unsubscribe();\n  }\n\n  /** Toggles the expanded state of the accordion item. */\n  toggle(): void {\n    if (!this.disabled) {\n      this.expanded = !this.expanded;\n    }\n  }\n\n  /** Sets the expanded state of the accordion item to false. */\n  close(): void {\n    if (!this.disabled) {\n      this.expanded = false;\n    }\n  }\n\n  /** Sets the expanded state of the accordion item to true. */\n  open(): void {\n    if (!this.disabled) {\n      this.expanded = true;\n    }\n  }\n\n  private _subscribeToOpenCloseAllActions(): Subscription {\n    return this.accordion._openCloseAllActions.subscribe(expanded => {\n      // Only change expanded state if item is enabled\n      if (!this.disabled) {\n        this.expanded = expanded;\n      }\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.dev/license\n */\n\nimport {NgModule} from '@angular/core';\nimport {CdkAccordion} from './accordion';\nimport {CdkAccordionItem} from './accordion-item';\n\n@NgModule({\n  imports: [CdkAccordion, CdkAccordionItem],\n  exports: [CdkAccordion, CdkAccordionItem],\n})\nexport class CdkAccordionModule 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