@taiga-ui/layout/fesm2022/taiga-ui-layout-components-dynamic-header.mjs.map

A package with Taiga UI layout components

{"version":3,"file":"taiga-ui-layout-components-dynamic-header.mjs","sources":["../../../projects/layout/components/dynamic-header/dynamic-header-anchor.directive.ts","../../../projects/layout/components/dynamic-header/dynamic-header-container.directive.ts","../../../projects/layout/components/dynamic-header/dynamic-header.component.ts","../../../projects/layout/components/dynamic-header/dynamic-header.ts","../../../projects/layout/components/dynamic-header/taiga-ui-layout-components-dynamic-header.ts"],"sourcesContent":["import {\n    type AfterViewInit,\n    Directive,\n    inject,\n    type OnDestroy,\n    signal,\n    TemplateRef,\n    ViewContainerRef,\n} from '@angular/core';\nimport {WaIntersectionObserverDirective} from '@ng-web-apis/intersection-observer';\n\nimport {TuiDynamicHeaderContainerDirective} from './dynamic-header-container.directive';\n\n@Directive({\n    standalone: true,\n    selector: '[tuiDynamicHeaderAnchor]',\n})\nexport class TuiDynamicHeaderAnchorDirective implements AfterViewInit, OnDestroy {\n    private readonly viewContainer = inject(ViewContainerRef);\n    private readonly observer = inject(WaIntersectionObserverDirective);\n    private readonly container = inject(TuiDynamicHeaderContainerDirective);\n    public readonly templateRef = inject(TemplateRef<unknown>);\n    public readonly view = this.viewContainer.createEmbeddedView(this.templateRef);\n    public readonly visible = signal(false);\n\n    public ngAfterViewInit(): void {\n        this.observer.observe(this.view.rootNodes[0], ([e]) => {\n            this.visible.set(!e?.isIntersecting);\n            this.container.update();\n        });\n    }\n\n    public ngOnDestroy(): void {\n        this.observer.unobserve(this.view.rootNodes[0]);\n    }\n}\n","import {\n    ContentChildren,\n    Directive,\n    type QueryList,\n    signal,\n    type TemplateRef,\n} from '@angular/core';\nimport {toSignal} from '@angular/core/rxjs-interop';\nimport {\n    WaIntersectionObserverDirective,\n    WaIntersectionRoot,\n} from '@ng-web-apis/intersection-observer';\nimport {EMPTY_QUERY} from '@taiga-ui/cdk/constants';\nimport {tuiZoneOptimized} from '@taiga-ui/cdk/observables';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\nimport {distinctUntilChanged, fromEvent, map, pairwise} from 'rxjs';\n\nimport {TuiDynamicHeaderAnchorDirective} from './dynamic-header-anchor.directive';\n\n@Directive({\n    standalone: true,\n    selector: '[tuiDynamicHeaderContainer]',\n    hostDirectives: [WaIntersectionRoot, WaIntersectionObserverDirective],\n    host: {\n        waIntersectionRootMargin: '-44px 0px 1000000% 0px',\n    },\n})\nexport class TuiDynamicHeaderContainerDirective {\n    private readonly el = tuiInjectElement();\n\n    @ContentChildren(TuiDynamicHeaderAnchorDirective, {\n        descendants: true,\n    })\n    protected readonly headers: QueryList<TuiDynamicHeaderAnchorDirective> = EMPTY_QUERY;\n\n    public hiddenHeaders = signal<Array<TemplateRef<unknown>>>([]);\n\n    public scrollDir = toSignal(\n        fromEvent(this.el, 'scroll').pipe(\n            map(({target}) => (target as HTMLElement).scrollTop),\n            pairwise(),\n            map(([prev, next]) => (next > prev ? -1 : 1)),\n            distinctUntilChanged(),\n            tuiZoneOptimized(),\n        ),\n    );\n\n    public update(): void {\n        this.hiddenHeaders.set(\n            this.headers.filter((h) => h.visible()).map((h) => h.templateRef),\n        );\n    }\n}\n","import {NgForOf, NgIf} from '@angular/common';\nimport {ChangeDetectionStrategy, Component, inject} from '@angular/core';\nimport {TuiAnimated} from '@taiga-ui/cdk/directives/animated';\nimport {PolymorpheusOutlet} from '@taiga-ui/polymorpheus';\n\nimport {TuiDynamicHeaderContainerDirective} from './dynamic-header-container.directive';\n\n@Component({\n    standalone: true,\n    selector: '[tuiDynamicHeader]',\n    imports: [NgForOf, NgIf, PolymorpheusOutlet, TuiAnimated],\n    template: `\n        <div\n            *ngIf=\"!container.hiddenHeaders().length; else dynamic\"\n            tuiAnimated\n        >\n            <ng-content />\n        </div>\n        <ng-template #dynamic>\n            <ng-container\n                *ngFor=\"let header of container.hiddenHeaders(); let last = last\"\n            >\n                <div\n                    *ngIf=\"last\"\n                    tuiAnimated\n                >\n                    <div *polymorpheusOutlet=\"header as text\">{{ text }}</div>\n                </div>\n            </ng-container>\n        </ng-template>\n    `,\n    styleUrls: ['./dynamic-header.style.less'],\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    host: {\n        '[style.--t-dir]': 'container.scrollDir() || -1',\n    },\n})\nexport class TuiDynamicHeaderComponent {\n    protected readonly container = inject(TuiDynamicHeaderContainerDirective);\n}\n","import {TuiDynamicHeaderComponent} from './dynamic-header.component';\nimport {TuiDynamicHeaderAnchorDirective} from './dynamic-header-anchor.directive';\nimport {TuiDynamicHeaderContainerDirective} from './dynamic-header-container.directive';\n\nexport const TuiDynamicHeader = [\n    TuiDynamicHeaderComponent,\n    TuiDynamicHeaderAnchorDirective,\n    TuiDynamicHeaderContainerDirective,\n] as const;\n","/**\n * Generated bundle index. 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