@taiga-ui/kit
Version:
Taiga UI Angular main components kit
23 lines • 4.28 kB
JavaScript
import { inject, Injectable } from '@angular/core';
import { IntersectionObserverService } from '@ng-web-apis/intersection-observer';
import { tuiWatch } from '@taiga-ui/cdk/observables';
import { filter, map, Observable, Subject, switchMap, take } from 'rxjs';
import * as i0 from "@angular/core";
class TuiLazyLoadingService extends Observable {
constructor() {
super((subscriber) => this.stream$.subscribe(subscriber));
this.src$ = new Subject();
this.intersections$ = inject(IntersectionObserverService);
this.stream$ = this.src$.pipe(switchMap((src) => this.intersections$.pipe(filter((entry) => !!entry[0]?.isIntersecting), map(() => src), take(1))), tuiWatch());
}
next(src) {
this.src$.next(src);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TuiLazyLoadingService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TuiLazyLoadingService }); }
}
export { TuiLazyLoadingService };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TuiLazyLoadingService, decorators: [{
type: Injectable
}], ctorParameters: function () { return []; } });
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