{"ast":null,"code":"import { FocusMonitor, FocusKeyManager, isFakeTouchstartFromScreenReader, isFakeMousedownFromScreenReader } from '@angular/cdk/a11y';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { UP_ARROW, DOWN_ARROW, RIGHT_ARROW, LEFT_ARROW, ESCAPE, hasModifierKey, ENTER, SPACE } from '@angular/cdk/keycodes';\nimport { InjectionToken, Directive, TemplateRef, ComponentFactoryResolver, ApplicationRef, Injector, ViewContainerRef, Inject, ChangeDetectorRef, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, Optional, Input, HostListener, QueryList, EventEmitter, NgZone, ContentChildren, ViewChild, ContentChild, Output, Self, NgModule } from '@angular/core';\nimport { Subject, Subscription, merge, of, asapScheduler } from 'rxjs';\nimport { startWith, switchMap, take, filter, takeUntil, delay } from 'rxjs/operators';\nimport { trigger, state, style, transition, animate } from '@angular/animations';\nimport { TemplatePortal, DomPortalOutlet } from '@angular/cdk/portal';\nimport { DOCUMENT, CommonModule } from '@angular/common';\nimport { mixinDisableRipple, mixinDisabled, MatCommonModule, MatRippleModule } from '@angular/material/core';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { Overlay, OverlayConfig, OverlayModule } from '@angular/cdk/overlay';\nimport { normalizePassiveListenerOptions } from '@angular/cdk/platform';\nimport { CdkScrollableModule } from '@angular/cdk/scrolling';\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 * Animations used by the mat-menu component.\n * Animation duration and timing values are based on:\n * https://material.io/guidelines/components/menus.html#menus-usage\n * @docs-private\n */\nimport * as ɵngcc0 from '@angular/core';\nimport * as ɵngcc1 from '@angular/cdk/a11y';\nimport * as ɵngcc2 from '@angular/material/core';\nimport * as ɵngcc3 from '@angular/common';\nimport * as ɵngcc4 from '@angular/cdk/overlay';\nimport * as ɵngcc5 from '@angular/cdk/bidi';\nconst _c0 = [\"mat-menu-item\", \"\"];\nconst _c1 = [\"*\"];\nfunction MatMenu_ng_template_0_Template(rf, ctx) {\n if (rf & 1) {\n const _r2 = ɵngcc0.ɵɵgetCurrentView();\n ɵngcc0.ɵɵelementStart(0, \"div\", 0);\n ɵngcc0.ɵɵlistener(\"keydown\", function MatMenu_ng_template_0_Template_div_keydown_0_listener($event) {\n ɵngcc0.ɵɵrestoreView(_r2);\n const ctx_r1 = ɵngcc0.ɵɵnextContext();\n return ɵngcc0.ɵɵresetView(ctx_r1._handleKeydown($event));\n })(\"click\", function MatMenu_ng_template_0_Template_div_click_0_listener() {\n ɵngcc0.ɵɵrestoreView(_r2);\n const ctx_r3 = ɵngcc0.ɵɵnextContext();\n return ɵngcc0.ɵɵresetView(ctx_r3.closed.emit(\"click\"));\n })(\"@transformMenu.start\", function MatMenu_ng_template_0_Template_div_animation_transformMenu_start_0_listener($event) {\n ɵngcc0.ɵɵrestoreView(_r2);\n const ctx_r4 = ɵngcc0.ɵɵnextContext();\n return ɵngcc0.ɵɵresetView(ctx_r4._onAnimationStart($event));\n })(\"@transformMenu.done\", function MatMenu_ng_template_0_Template_div_animation_transformMenu_done_0_listener($event) {\n ɵngcc0.ɵɵrestoreView(_r2);\n const ctx_r5 = ɵngcc0.ɵɵnextContext();\n return ɵngcc0.ɵɵresetView(ctx_r5._onAnimationDone($event));\n });\n ɵngcc0.ɵɵelementStart(1, \"div\", 1);\n ɵngcc0.ɵɵprojection(2);\n ɵngcc0.ɵɵelementEnd()();\n }\n if (rf & 2) {\n const ctx_r0 = ɵngcc0.ɵɵnextContext();\n ɵngcc0.ɵɵproperty(\"id\", ctx_r0.panelId)(\"ngClass\", ctx_r0._classList)(\"@transformMenu\", ctx_r0._panelAnimationState);\n ɵngcc0.ɵɵattribute(\"aria-label\", ctx_r0.ariaLabel || null)(\"aria-labelledby\", ctx_r0.ariaLabelledby || null)(\"aria-describedby\", ctx_r0.ariaDescribedby || null);\n }\n}\nconst matMenuAnimations = {\n /**\n * This animation controls the menu panel's entry and exit from the page.\n *\n * When the menu panel is added to the DOM, it scales in and fades in its border.\n *\n * When the menu panel is removed from the DOM, it simply fades out after a brief\n * delay to display the ripple.\n */\n transformMenu: trigger('transformMenu', [state('void', style({\n opacity: 0,\n transform: 'scale(0.8)'\n })), transition('void => enter', animate('120ms cubic-bezier(0, 0, 0.2, 1)', style({\n opacity: 1,\n transform: 'scale(1)'\n }))), transition('* => void', animate('100ms 25ms linear', style({\n opacity: 0\n })))]),\n /**\n * This animation fades in the background color and content of the menu panel\n * after its containing element is scaled in.\n */\n fadeInItems: trigger('fadeInItems', [\n // TODO(crisbeto): this is inside the `transformMenu`\n // now. Remove next time we do breaking changes.\n state('showing', style({\n opacity: 1\n })), transition('void => *', [style({\n opacity: 0\n }), animate('400ms 100ms cubic-bezier(0.55, 0, 0.55, 0.2)')])])\n};\n/**\n * @deprecated\n * @breaking-change 8.0.0\n * @docs-private\n */\nconst fadeInItems = matMenuAnimations.fadeInItems;\n/**\n * @deprecated\n * @breaking-change 8.0.0\n * @docs-private\n */\nconst transformMenu = matMenuAnimations.transformMenu;\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 that can be used to reference instances of `MatMenuContent`. It serves\n * as alternative token to the actual `MatMenuContent` class which could cause unnecessary\n * retention of the class and its directive metadata.\n */\nconst MAT_MENU_CONTENT = new InjectionToken('MatMenuContent');\n/**\n * Menu content that will be rendered lazily once the menu is opened.\n */\nclass MatMenuContent {\n constructor(_template, _componentFactoryResolver, _appRef, _injector, _viewContainerRef, _document, _changeDetectorRef) {\n this._template = _template;\n this._componentFactoryResolver = _componentFactoryResolver;\n this._appRef = _appRef;\n this._injector = _injector;\n this._viewContainerRef = _viewContainerRef;\n this._document = _document;\n this._changeDetectorRef = _changeDetectorRef;\n /** Emits when the menu content has been attached. */\n this._attached = new Subject();\n }\n /**\n * Attaches the content with a particular context.\n * @docs-private\n */\n attach(context = {}) {\n if (!this._portal) {\n this._portal = new TemplatePortal(this._template, this._viewContainerRef);\n }\n this.detach();\n if (!this._outlet) {\n this._outlet = new DomPortalOutlet(this._document.createElement('div'), this._componentFactoryResolver, this._appRef, this._injector);\n }\n const element = this._template.elementRef.nativeElement;\n // Because we support opening the same menu from different triggers (which in turn have their\n // own `OverlayRef` panel), we have to re-insert the host element every time, otherwise we\n // risk it staying attached to a pane that's no longer in the DOM.\n element.parentNode.insertBefore(this._outlet.outletElement, element);\n // When `MatMenuContent` is used in an `OnPush` component, the insertion of the menu\n // content via `createEmbeddedView` does not cause the content to be seen as \"dirty\"\n // by Angular. This causes the `@ContentChildren` for menu items within the menu to\n // not be updated by Angular. By explicitly marking for check here, we tell Angular that\n // it needs to check for new menu items and update the `@ContentChild` in `MatMenu`.\n // @breaking-change 9.0.0 Make change detector ref required\n if (this._changeDetectorRef) {\n this._changeDetectorRef.markForCheck();\n }\n this._portal.attach(this._outlet, context);\n this._attached.next();\n }\n /**\n * Detaches the content.\n * @docs-private\n */\n detach() {\n if (this._portal.isAttached) {\n this._portal.detach();\n }\n }\n ngOnDestroy() {\n if (this._outlet) {\n this._outlet.dispose();\n }\n }\n}\nMatMenuContent.ɵfac = function MatMenuContent_Factory(t) {\n return new (t || MatMenuContent)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.TemplateRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ComponentFactoryResolver), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ApplicationRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.Injector), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ViewContainerRef), ɵngcc0.ɵɵdirectiveInject(DOCUMENT), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ChangeDetectorRef));\n};\nMatMenuContent.ɵdir = /*@__PURE__*/ɵngcc0.ɵɵdefineDirective({\n type: MatMenuContent,\n selectors: [[\"ng-template\", \"matMenuContent\", \"\"]],\n features: [ɵngcc0.ɵɵProvidersFeature([{\n provide: MAT_MENU_CONTENT,\n useExisting: MatMenuContent\n }])]\n});\nMatMenuContent.ctorParameters = () => [{\n type: TemplateRef\n}, {\n type: ComponentFactoryResolver\n}, {\n type: ApplicationRef\n}, {\n type: Injector\n}, {\n type: ViewContainerRef\n}, {\n type: undefined,\n decorators: [{\n type: Inject,\n args: [DOCUMENT]\n }]\n}, {\n type: ChangeDetectorRef\n}];\n(function () {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(MatMenuContent, [{\n type: Directive,\n args: [{\n selector: 'ng-template[matMenuContent]',\n providers: [{\n provide: MAT_MENU_CONTENT,\n useExisting: MatMenuContent\n }]\n }]\n }], function () {\n return [{\n type: ɵngcc0.TemplateRef\n }, {\n type: ɵngcc0.ComponentFactoryResolver\n }, {\n type: ɵngcc0.ApplicationRef\n }, {\n type: ɵngcc0.Injector\n }, {\n type: ɵngcc0.ViewContainerRef\n }, {\n type: undefined,\n decorators: [{\n type: Inject,\n args: [DOCUMENT]\n }]\n }, {\n type: ɵngcc0.ChangeDetectorRef\n }];\n }, null);\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 * Throws an exception for the case when menu trigger doesn't have a valid mat-menu instance\n * @docs-private\n */\nfunction throwMatMenuMissingError() {\n throw Error(`matMenuTriggerFor: must pass in an mat-menu instance.\n\n Example:\n