D-Net

import { Injectable } from '@angular/core';

import { CanDeactivate, Router} from '@angular/router';

import {Observable}       from 'rxjs';

import {properties} from "../../../../environments/environment";

@Injectable({

  providedIn: 'root'

}) // do not forget to register this class as a provider

export class PreviousRouteRecorder implements CanDeactivate<any> {

  constructor(private router: Router) {

  }

  canDeactivate(component: any): Observable<boolean> | boolean {

    if (typeof localStorage !== 'undefined') {

      // console.log("In PreviousRouteRecorder : " + properties.domain +properties.baseLink + this.router.url );

      localStorage.setItem('previousRoute', properties.domain + properties.baseLink + this.router.url);

    }

    return true;

  }

}