import { Component, OnInit } from '@angular/core'; import { SideBarService } from '../../services/side-bar.service'; @Component({ selector: 'farris-doc-header', templateUrl: './header.component.html', styleUrls: ['./header.component.scss'] }) export class HeaderComponent implements OnInit { constructor(private sideBarService: SideBarService) {} ngOnInit() {} onClick() { this.sideBarService.isShowSideBar = !this.sideBarService.isShowSideBar; } }