Files
start-os/web/projects/ui/src/app/services/network.service.ts
2024-08-15 12:40:49 +04:00

23 lines
689 B
TypeScript

import { inject, Injectable } from '@angular/core'
import { WA_WINDOW } from '@ng-web-apis/common'
import { fromEvent, merge, Observable, shareReplay } from 'rxjs'
import { distinctUntilChanged, map, startWith } from 'rxjs/operators'
@Injectable({ providedIn: 'root' })
export class NetworkService extends Observable<boolean> {
private readonly win = inject(WA_WINDOW)
private readonly stream$ = merge(
fromEvent(this.win, 'online'),
fromEvent(this.win, 'offline'),
).pipe(
startWith(null),
map(() => this.win.navigator.onLine),
distinctUntilChanged(),
shareReplay(1),
)
constructor() {
super(subscriber => this.stream$.subscribe(subscriber))
}
}