messaoudi-mounir

import { Injectable, OnDestroy, Optional, SkipSelf } from "@angular/core";
import { Observable, Observer, BehaviorSubject, Subject } from "rxjs";
import { takeUntil, filter } from "rxjs/operators";
import { InjectionToken } from "@angular/core";

@Injectable()
export class ContextService implements OnDestroy {
	constructor(@Optional() @SkipSelf() private _parent?: ContextService) {}

	private _destroy$ = new Subject<void>();

messaoudi-mounir

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console