import { ObserversModule } from '@angular/cdk/observers' ; import { CommonModule } from '@angular/common' ; import { NgModule } from '@angular/core' ; import { RouterModule } from '@angular/router' ; import { NzAffixModule } from 'ng-zorro-antd/affix' ; import { NzBreadCrumbModule } from 'ng-zorro-antd/breadcrumb' ; import { NzSkeletonModule } from 'ng-zorro-antd/skeleton' ; import { PageHeaderComponent } from './page-header.component' ; const COMPONENTS = [ PageHeaderComponent ] ; @ NgModule ( { imports : [ CommonModule , RouterModule , ObserversModule , NzAffixModule , NzSkeletonModule , NzBreadCrumbModule ] , declarations : COMPONENTS , exports : COMPONENTS } ) export class PageHeaderModule { }