@alauda-fe/common
Version:
Alauda frontend team common codes.
18 lines • 2.83 kB
JavaScript
import { Injectable } from '@angular/core';
import { fromEvent, distinctUntilChanged, map, shareReplay, startWith, } from 'rxjs';
import * as i0 from "@angular/core";
export class PageVisibilityService {
constructor() {
this.pageVisibility$ = fromEvent(document, 'visibilitychange').pipe(map(({ target }) => target.visibilityState === 'visible'), startWith(document.visibilityState === 'visible'), distinctUntilChanged(), shareReplay(1));
}
getPageVisibility() {
return this.pageVisibility$;
}
static { this.ɵfac = function PageVisibilityService_Factory(t) { return new (t || PageVisibilityService)(); }; }
static { this.ɵprov = /*@__PURE__*/ i0.ɵɵdefineInjectable({ token: PageVisibilityService, factory: PageVisibilityService.ɵfac, providedIn: 'root' }); }
}
(() => { (typeof ngDevMode === "undefined" || ngDevMode) && i0.ɵsetClassMetadata(PageVisibilityService, [{
type: Injectable,
args: [{ providedIn: 'root' }]
}], null, null); })();
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