@taiga-ui/kit
Version:
Taiga UI Angular main components kit
20 lines • 4.12 kB
JavaScript
import { DOCUMENT } from '@angular/common';
import { InjectionToken } from '@angular/core';
import { TuiDestroyService } from '@taiga-ui/cdk';
import { FIXED_DROPDOWN_CONTROLLER_PROVIDER } from '@taiga-ui/kit/providers';
import { fromEvent, merge } from 'rxjs';
import { flatMap, startWith, takeUntil, windowToggle } from 'rxjs/operators';
export const SELECTION_STREAM = new InjectionToken('A stream of selection changes');
export const INPUT_PHONE_PROVIDERS = [
TuiDestroyService,
FIXED_DROPDOWN_CONTROLLER_PROVIDER,
{
provide: SELECTION_STREAM,
deps: [TuiDestroyService, DOCUMENT],
useFactory: selectionStreamFactory,
},
];
export function selectionStreamFactory(destroy$, documentRef) {
return fromEvent(documentRef, 'selectionchange').pipe(windowToggle(merge(fromEvent(documentRef, 'mouseup'), fromEvent(documentRef, 'keydown')), () => fromEvent(documentRef, 'mousedown')), flatMap(windowed$ => windowed$.pipe(startWith(null))), takeUntil(destroy$));
}
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