import {Component, OnDestroy, OnInit} from '@angular/core'; import {ValidatorFn, Validators} from "@angular/forms"; import {StringUtils} from "../string-utils.class"; import {ActivatedRoute} from "@angular/router"; import {Subscriber} from "rxjs"; @Component({ selector: 'theme', templateUrl: 'theme.component.html', }) export class ThemeComponent implements OnInit, OnDestroy { url: string = 'https://example.com'; logoURL: string = 'https://example.com/test.png'; parentClass: string; private subscriptions: any[] = []; required: ValidatorFn = Validators.required; urlValidator: ValidatorFn = StringUtils.urlValidator; constructor(private route: ActivatedRoute) { } ngOnInit() { this.subscriptions.push(this.route.queryParams.subscribe(params => { if(params['parentClass']) { this.parentClass = params['parentClass']; } })); } ngOnDestroy() { this.subscriptions.forEach(value => { if (value instanceof Subscriber) { value.unsubscribe(); } }); } }