import { Injectable } from '@angular/core'; @Injectable({ providedIn: 'root', }) export class ResizeService { isPageViewMedia: boolean = window.innerWidth <= 650; isContactViewMedia: boolean = window.innerWidth <= 800; private resizeListener!: () => void; constructor() { this.initResizeListener(); } private initResizeListener() { this.resizeListener = this.onResize.bind(this); window.addEventListener('resize', this.resizeListener); } private onResize() { this.isPageViewMedia = window.innerWidth <= 650; this.isContactViewMedia = window.innerWidth <= 800; } cleanup() { window.removeEventListener('resize', this.resizeListener); } }