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mohemm_moe/Mohem/src/app/hmg-common/services/life-cycle/life-cycle.service.ts

35 lines
873 B
TypeScript

import { Injectable } from '@angular/core';
import { Router, NavigationEnd, NavigationStart } from '@angular/router';
import { Observable } from 'rxjs';
@Injectable({
providedIn: 'root'
})
export class LifeCycleService {
constructor(
public router: Router
) { }
public pageRevisited(pageName: string): Observable<boolean> {
return Observable.create(observer => {
this.router.events.subscribe((val) => {
if (this.isSamePage(val, pageName)) {
observer.next(true);
observer.complete();
}
});
});
}
private isSamePage(val: any, pageName: string) {
if (val instanceof NavigationEnd) {
const lastIndex = val.urlAfterRedirects.lastIndexOf('/');
const currentPageName = val.urlAfterRedirects.substr(lastIndex + 1);
return currentPageName === pageName;
}
return false;
}
}