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angular-bootstrap-md

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Bootstrap 4 & Angular 15 UI KIT - 700+ components, MIT license, simple installation.

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import { Directive, EventEmitter, Input, Output, } from '@angular/core'; import { fromEvent, Subject } from 'rxjs'; import { window } from '../utils/facade/browser'; import { distinctUntilChanged, filter, map, pairwise, share, skip, throttleTime, takeUntil, } from 'rxjs/operators'; import { coerceNumberProperty } from '@angular/cdk/coercion'; import * as i0 from "@angular/core"; var Direction; (function (Direction) { Direction["Up"] = "Up"; Direction["Down"] = "Down"; })(Direction || (Direction = {})); export class StickyHeaderDirective { constructor(_renderer, _el) { this._renderer = _renderer; this._el = _el; this._animationDuration = 200; this.transitionEnd = new EventEmitter(); this._destroy$ = new Subject(); } get animationDuration() { return this._animationDuration; } set animationDuration(value) { this._animationDuration = coerceNumberProperty(value); } ngAfterViewInit() { const scroll$ = fromEvent(window, 'scroll').pipe(throttleTime(10), map(() => window.pageYOffset), pairwise(), map(([y1, y2]) => (y2 < y1 ? Direction.Up : Direction.Down)), distinctUntilChanged(), share()); this.scrollUp$ = scroll$.pipe(filter((direction) => direction === Direction.Up)); this.scrollDown$ = scroll$.pipe(filter((direction) => direction === Direction.Down)); this._renderer.setStyle(this._el.nativeElement, 'position', 'fixed'); this._renderer.setStyle(this._el.nativeElement, 'top', '0'); this._renderer.setStyle(this._el.nativeElement, 'width', '100%'); this._renderer.setStyle(this._el.nativeElement, 'z-index', '1030'); setTimeout(() => { this.scrollUp$.pipe(skip(0), takeUntil(this._destroy$)).subscribe(() => { this._renderer.setStyle(this._el.nativeElement, 'transition', `all ${this.animationDuration}ms ease-in`); this._renderer.setStyle(this._el.nativeElement, 'transform', 'translateY(0%)'); this.transitionEnd.emit({ state: 'Visible' }); }); this.scrollDown$.pipe(skip(0), takeUntil(this._destroy$)).subscribe(() => { this._renderer.setStyle(this._el.nativeElement, 'transition', `all ${this.animationDuration}ms ease-in`); this._renderer.setStyle(this._el.nativeElement, 'transform', 'translateY(-100%)'); this.transitionEnd.emit({ state: 'Hidden' }); }); }, 0); } ngOnDestroy() { this._destroy$.next(); this._destroy$.complete(); } } StickyHeaderDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.1.1", ngImport: i0, type: StickyHeaderDirective, deps: [{ token: i0.Renderer2 }, { token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Directive }); StickyHeaderDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.1.1", type: StickyHeaderDirective, selector: "[mdbStickyHeader]", inputs: { animationDuration: "animationDuration" }, outputs: { transitionEnd: "transitionEnd" }, exportAs: ["mdbStickyHeader"], ngImport: i0 }); i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.1.1", ngImport: i0, type: StickyHeaderDirective, decorators: [{ type: Directive, args: [{ selector: '[mdbStickyHeader]', exportAs: 'mdbStickyHeader', }] }], ctorParameters: function () { return [{ type: i0.Renderer2 }, { type: i0.ElementRef }]; 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Direction.Up : Direction.Down)),\n      distinctUntilChanged(),\n      share()\n    );\n\n    this.scrollUp$ = scroll$.pipe(filter((direction) => direction === Direction.Up));\n    this.scrollDown$ = scroll$.pipe(filter((direction) => direction === Direction.Down));\n\n    this._renderer.setStyle(this._el.nativeElement, 'position', 'fixed');\n    this._renderer.setStyle(this._el.nativeElement, 'top', '0');\n    this._renderer.setStyle(this._el.nativeElement, 'width', '100%');\n    this._renderer.setStyle(this._el.nativeElement, 'z-index', '1030');\n\n    setTimeout(() => {\n      this.scrollUp$.pipe(skip(0), takeUntil(this._destroy$)).subscribe(() => {\n        this._renderer.setStyle(\n          this._el.nativeElement,\n          'transition',\n          `all ${this.animationDuration}ms ease-in`\n        );\n        this._renderer.setStyle(this._el.nativeElement, 'transform', 'translateY(0%)');\n        this.transitionEnd.emit({ state: 'Visible' });\n      });\n      this.scrollDown$.pipe(skip(0), takeUntil(this._destroy$)).subscribe(() => {\n        this._renderer.setStyle(\n          this._el.nativeElement,\n          'transition',\n          `all ${this.animationDuration}ms ease-in`\n        );\n        this._renderer.setStyle(this._el.nativeElement, 'transform', 'translateY(-100%)');\n        this.transitionEnd.emit({ state: 'Hidden' });\n      });\n    }, 0);\n  }\n\n  ngOnDestroy() {\n    this._destroy$.next();\n    this._destroy$.complete();\n  }\n}\n"]}