@taiga-ui/core/fesm2022/taiga-ui-core-components-expand.mjs.map

Core library for creating Angular components and applications using Taiga UI

{"version":3,"file":"taiga-ui-core-components-expand.mjs","sources":["../../../projects/core/components/expand/expand-content.directive.ts","../../../projects/core/components/expand/expand.component.ts","../../../projects/core/components/expand/expand.template.html","../../../projects/core/components/expand/expand.ts","../../../projects/core/components/expand/taiga-ui-core-components-expand.ts"],"sourcesContent":["import {Directive} from '@angular/core';\n\n/**\n * @deprecated use {@link TuiExpand} from @taiga-ui/experimental\n */\n@Directive({\n    standalone: true,\n    selector: '[tuiExpandContent]',\n})\nexport class TuiExpandContent {}\n","import {NgIf, type NgIfContext, NgTemplateOutlet} from '@angular/common';\nimport {\n    ChangeDetectionStrategy,\n    ChangeDetectorRef,\n    Component,\n    ContentChild,\n    DestroyRef,\n    type ElementRef,\n    inject,\n    Input,\n    TemplateRef,\n    ViewChild,\n} from '@angular/core';\nimport {takeUntilDestroyed} from '@angular/core/rxjs-interop';\nimport {type TuiValuesOf} from '@taiga-ui/cdk/types';\nimport {tuiParentAnimation} from '@taiga-ui/core/animations';\nimport {TuiLoader} from '@taiga-ui/core/components/loader';\nimport {timer} from 'rxjs';\n\nimport {TuiExpandContent} from './expand-content.directive';\n\nconst State = {\n    Idle: 0,\n    Loading: 1,\n    Prepared: 2,\n    Animated: 3,\n} as const;\n\nconst LOADER_HEIGHT = 48;\n\n/**\n * An event indicating that async data for expand has finished loading.\n * Dispatch to finish loading states for {@link TuiExpandComponent}.\n */\nexport const TUI_EXPAND_LOADED = 'tui-expand-loaded';\n\n/**\n * @deprecated use {@link TuiExpand} from @taiga-ui/experimental\n */\n@Component({\n    standalone: true,\n    selector: 'tui-expand',\n    imports: [NgIf, NgTemplateOutlet, TuiLoader],\n    templateUrl: './expand.template.html',\n    styleUrls: ['./expand.style.less'],\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    animations: [tuiParentAnimation],\n    host: {\n        '[style.height.px]': 'height',\n        '[class._loading]': 'loading',\n        '[class._overflow]': 'overflow',\n        '[class._expanded]': 'expanded',\n        '[attr.aria-expanded]': 'expanded',\n        '(transitionend.self)': 'onTransitionEnd($event)',\n        [`(${TUI_EXPAND_LOADED})`]: 'onExpandLoaded($event)',\n    },\n})\nexport class TuiExpandComponent {\n    @ViewChild('wrapper')\n    private readonly contentWrapper?: ElementRef<HTMLDivElement>;\n\n    private readonly cdr = inject(ChangeDetectorRef);\n    private readonly destroyRef = inject(DestroyRef);\n    private state: TuiValuesOf<typeof State> = State.Idle;\n\n    @ContentChild(TuiExpandContent, {read: TemplateRef})\n    protected content: TemplateRef<NgIfContext<boolean>> | null = null;\n\n    protected expanded: boolean | null = null;\n\n    @Input()\n    public async = false;\n\n    @Input('expanded')\n    public set expandedSetter(expanded: boolean | null) {\n        if (this.expanded === null) {\n            this.expanded = expanded;\n\n            return;\n        }\n\n        if (this.state !== State.Idle) {\n            this.expanded = expanded;\n            this.state = State.Animated;\n\n            return;\n        }\n\n        this.expanded = expanded;\n        this.retrigger(this.async && expanded ? State.Loading : State.Animated);\n    }\n\n    public get contentVisible(): boolean {\n        return this.expanded || this.state !== State.Idle;\n    }\n\n    protected get overflow(): boolean {\n        return this.state !== State.Idle;\n    }\n\n    protected get loading(): boolean {\n        return !!this.expanded && this.async && this.state === State.Loading;\n    }\n\n    protected get height(): number | null {\n        const {expanded, state, contentWrapper} = this;\n\n        if (\n            (expanded && state === State.Prepared) ||\n            (!expanded && state === State.Animated)\n        ) {\n            return 0;\n        }\n\n        if (\n            contentWrapper &&\n            ((!expanded && state === State.Prepared) ||\n                (expanded && state === State.Animated))\n        ) {\n            return contentWrapper.nativeElement.offsetHeight;\n        }\n\n        if (contentWrapper && expanded && state === State.Loading) {\n            return Math.max(contentWrapper.nativeElement.offsetHeight, LOADER_HEIGHT);\n        }\n\n        return null;\n    }\n\n    protected onTransitionEnd({propertyName, pseudoElement}: TransitionEvent): void {\n        if (\n            propertyName === 'opacity' &&\n            !pseudoElement &&\n            this.state === State.Animated\n        ) {\n            this.state = State.Idle;\n        }\n    }\n\n    protected onExpandLoaded(event: Event): void {\n        event.stopPropagation();\n\n        if (this.state === State.Loading) {\n            this.retrigger(State.Animated);\n        }\n    }\n\n    private retrigger(state: TuiValuesOf<typeof State>): void {\n        this.state = State.Prepared;\n\n        timer(0)\n            .pipe(takeUntilDestroyed(this.destroyRef))\n            .subscribe(() => {\n                // We need delay to re-trigger CSS height transition from the correct number\n                if (this.state !== State.Prepared) {\n                    return;\n                }\n\n                this.state = state;\n                this.cdr.markForCheck();\n            });\n    }\n}\n","<div\n    #wrapper\n    class=\"t-wrapper\"\n    @tuiParentAnimation\n    [@.disabled]=\"overflow\"\n>\n    <ng-container *ngIf=\"contentVisible\">\n        <ng-content />\n        <tui-loader\n            *ngIf=\"async; else content\"\n            size=\"l\"\n            [overlay]=\"true\"\n            [showLoader]=\"loading\"\n        >\n            <ng-container [ngTemplateOutlet]=\"content\" />\n        </tui-loader>\n    </ng-container>\n</div>\n","import {TuiExpandComponent} from './expand.component';\nimport {TuiExpandContent} from './expand-content.directive';\n\n/**\n * @deprecated use {@link TuiExpand} from @taiga-ui/experimental\n */\nexport const TuiExpand = [TuiExpandComponent, TuiExpandContent] as const;\n","/**\n * Generated bundle index. 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