{"version":3,"file":"taiga-ui-core-components-carousel.mjs","sources":["../../../projects/core/components/carousel/carousel.component.ts","../../../projects/core/components/carousel/carousel.component.html","../../../projects/core/components/carousel/carousel.directive.ts","../../../projects/core/components/carousel/carousel.ts","../../../projects/core/components/carousel/taiga-ui-core-components-carousel.ts"],"sourcesContent":["import {NgTemplateOutlet} from '@angular/common';\nimport {\n    type AfterViewInit,\n    ChangeDetectionStrategy,\n    Component,\n    contentChild,\n    ElementRef,\n    inject,\n    input,\n    model,\n    signal,\n    TemplateRef,\n} from '@angular/core';\nimport {WA_WINDOW} from '@ng-web-apis/common';\nimport {\n    WA_INTERSECTION_ROOT,\n    WaIntersectionObserver,\n    WaIntersectionObserverDirective,\n} from '@ng-web-apis/intersection-observer';\nimport {TuiItem} from '@taiga-ui/cdk/directives/item';\nimport {tuiProvide} from '@taiga-ui/cdk/utils/di';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\nimport {tuiClamp} from '@taiga-ui/cdk/utils/math';\nimport {TUI_REDUCED_MOTION} from '@taiga-ui/core/tokens';\nimport {debounceTime, filter, fromEvent} from 'rxjs';\n\n@Component({\n    selector: 'tui-carousel',\n    imports: [NgTemplateOutlet, WaIntersectionObserver, WaIntersectionObserverDirective],\n    templateUrl: './carousel.component.html',\n    styleUrl: './carousel.component.less',\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    providers: [tuiProvide(WA_INTERSECTION_ROOT, ElementRef)],\n    hostDirectives: [WaIntersectionObserverDirective],\n    host: {waIntersectionThreshold: '0.5', '[style.max-block-size.px]': 'height()'},\n})\nexport class TuiCarouselComponent implements AfterViewInit {\n    private readonly el = tuiInjectElement();\n    private readonly win = inject(WA_WINDOW);\n    private readonly behavior = inject(TUI_REDUCED_MOTION) ? 'auto' : 'smooth';\n\n    protected readonly math = Math;\n    protected readonly template = contentChild.required(TuiItem, {read: TemplateRef});\n    protected readonly height = signal(Number.NaN);\n\n    public readonly index = model(0);\n    public readonly min = input(-Infinity);\n    public readonly max = input(Infinity);\n\n    constructor() {\n        fromEvent(this.el, 'scroll')\n            .pipe(\n                debounceTime(100),\n                filter(() => this.fallback),\n            )\n            .subscribe(() => {\n                this.onIntersection(true, 1);\n            });\n    }\n\n    public ngAfterViewInit(): void {\n        if (this.index() > this.min()) {\n            this.el.scrollLeft = this.d * this.el.clientWidth;\n        }\n    }\n\n    public next(): void {\n        this.el.scrollTo({left: this.d * this.el.scrollWidth, behavior: this.behavior});\n    }\n\n    public prev(): void {\n        this.el.scrollTo({left: 0, behavior: this.behavior});\n    }\n\n    protected onIntersection(isIntersecting: boolean, step: number): void {\n        const index = tuiClamp(this.index() + step, this.min(), this.max());\n        const scroll = (): void => this.el.scrollTo({left: this.d * this.el.clientWidth});\n\n        if (isIntersecting) {\n            if (index !== this.index()) {\n                this.el.style.overflow = 'hidden';\n            }\n\n            this.index.set(index);\n            requestAnimationFrame(() => {\n                this.el.style.overflow = '';\n\n                if (this.index() > this.min() && this.index() < this.max()) {\n                    this.el.addEventListener('scroll', scroll, {once: true});\n                    scroll();\n                }\n            });\n        }\n    }\n\n    protected onSlide(entry?: IntersectionObserverEntry): void {\n        if (entry?.isIntersecting) {\n            this.height.set(entry.target.parentElement?.clientHeight ?? Number.NaN);\n        }\n    }\n\n    private get d(): number {\n        return this.el.matches('[dir=\"rtl\"] :scope') ? -1 : 1;\n    }\n\n    private get fallback(): boolean {\n        return (\n            !!((this.win.devicePixelRatio * 100) % 1) &&\n            this.el.scrollWidth - this.el.clientWidth - Math.abs(this.el.scrollLeft) < 1\n        );\n    }\n}\n","<span class=\"t-item\">\n    <ng-container *ngTemplateOutlet=\"template(); context: {$implicit: math.max(index() - 1, min())}\" />\n    <span\n        class=\"t-observer\"\n        (waIntersectionObservee)=\"onSlide($event[0])\"\n    ></span>\n    <span\n        waIntersectionObserver\n        waIntersectionThreshold=\"1\"\n        class=\"t-bumper\"\n        (waIntersectionObservee)=\"onIntersection(!!$event[0]?.isIntersecting, -1)\"\n    ></span>\n</span>\n@if (index() !== min() && index() !== max()) {\n    <span class=\"t-item\">\n        <ng-container *ngTemplateOutlet=\"template(); context: {$implicit: index()}\" />\n        <span\n            class=\"t-observer\"\n            (waIntersectionObservee)=\"onSlide($event[0])\"\n        ></span>\n    </span>\n}\n@if (min() !== max()) {\n    <span class=\"t-item\">\n        <ng-container *ngTemplateOutlet=\"template(); context: {$implicit: math.min(index() + 1, max())}\" />\n        <span\n            class=\"t-observer\"\n            (waIntersectionObservee)=\"onSlide($event[0])\"\n        ></span>\n        <span\n            waIntersectionObserver\n            waIntersectionThreshold=\"1\"\n            class=\"t-bumper\"\n            (waIntersectionObservee)=\"onIntersection(!!$event[0]?.isIntersecting, 1)\"\n        ></span>\n    </span>\n}\n<!--https://github.com/angular/angular/issues/50543-->\n<!--TODO(v6): delete-->\n<ng-content />\n","import {Directive, effect, inject, input} from '@angular/core';\nimport {toObservable, toSignal} from '@angular/core/rxjs-interop';\nimport {WA_PAGE_VISIBILITY} from '@ng-web-apis/common';\nimport {TUI_FALSE_HANDLER, TUI_TRUE_HANDLER} from '@taiga-ui/cdk/constants';\nimport {tuiIfMap} from '@taiga-ui/cdk/observables';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\nimport {combineLatest, fromEvent, map, merge, switchMap, takeWhile, timer} from 'rxjs';\n\nimport {TuiCarouselComponent} from './carousel.component';\n\n@Directive({\n    selector: 'tui-carousel[duration]',\n    exportAs: 'tuiCarousel',\n})\nexport class TuiCarouselDirective {\n    private readonly el = tuiInjectElement();\n    private readonly carousel = inject(TuiCarouselComponent);\n\n    private readonly running$ = merge(\n        fromEvent(this.el, 'mouseenter').pipe(map(TUI_FALSE_HANDLER)),\n        fromEvent(this.el, 'touchstart').pipe(map(TUI_FALSE_HANDLER)),\n        fromEvent(this.el, 'touchend').pipe(map(TUI_TRUE_HANDLER)),\n        fromEvent(this.el, 'mouseleave').pipe(map(TUI_TRUE_HANDLER)),\n        inject(WA_PAGE_VISIBILITY),\n    );\n\n    public readonly duration = input(0);\n\n    public readonly progress = toSignal(\n        combineLatest([\n            toObservable(this.duration),\n            toObservable(this.carousel.index),\n        ]).pipe(\n            switchMap(([duration]) =>\n                this.running$.pipe(\n                    tuiIfMap(() =>\n                        timer(0, 100).pipe(\n                            map((i) => Math.min(100, ((i * 100) / duration) * 100)),\n                            takeWhile((percent) => percent < 100, true),\n                        ),\n                    ),\n                ),\n            ),\n        ),\n        {initialValue: 0},\n    );\n\n    protected readonly sync = effect(() => {\n        if (this.progress() === 100) {\n            this.carousel.next();\n        }\n    });\n}\n","import {TuiItem} from '@taiga-ui/cdk/directives/item';\n\nimport {TuiCarouselComponent} from './carousel.component';\nimport {TuiCarouselDirective} from './carousel.directive';\n\nexport const TuiCarousel = [TuiCarouselComponent, TuiCarouselDirective, TuiItem] as const;\n","/**\n * Generated bundle index. 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