Angular tabs ExpressionChangedAfterItHasBeenCheckedError

<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <script type="text/javascript" charset="utf-8">
      window.AngularVersionForThisPlunker = 'latest'
    </script>
    <title>angular playground</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>

/* Styles go here */

### Angular Starter Plunker - Typescript

var angularVersion;
if(window.AngularVersionForThisPlunker === 'latest'){
  angularVersion = ''; //picks up latest
}
else {
  angularVersion = '@' + window.AngularVersionForThisPlunker;
}

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    '@angular/core': 'npm:@angular/core'+ angularVersion + '/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common' + angularVersion + '/bundles/common.umd.js',
    '@angular/compiler': 'npm:@angular/compiler' + angularVersion  + '/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http' + angularVersion + '/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router' + angularVersion +'/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms' + angularVersion + '/bundles/forms.umd.js',
    '@angular/animations': 'npm:@angular/animations' + angularVersion + '/bundles/animations.umd.js',
    '@angular/platform-browser/animations': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-animations.umd.js',
    '@angular/animations/browser': 'npm:@angular/animations' + angularVersion + '/bundles/animations-browser.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core' + angularVersion + '/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http' + angularVersion + '/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router' + angularVersion + '/bundles/router-testing.umd.js',
    'tslib': 'npm:tslib@1.6.1',
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.2.1/lib/typescript.js'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    }
  }
});

//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';

platformBrowserDynamic().bootstrapModule(AppModule)

//our root app component
import {Component, NgModule, VERSION} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import {TabsComponent} from 'tabs.component.ts'
import {TabComponent} from 'tab.component.ts'
import {DummyComponent} from 'dummy.component.ts'

@Component({
  selector: 'my-app',
  template: `
    <cl-tabs>
      <cl-tab *ngFor="let item of items" [title]="item.name">
        <cl-dummy [item]="item"></cl-dummy>
      </cl-tab>
    </cl-tabs>
  `,
})
export class App {
  items: Array<{name: string, value: any}> = [
    {name: "1", value: 1},
    {name: "2", value: 2},
    {name: "3", value: 3},
  ];
}

@NgModule({
  imports: [ BrowserModule ],
  declarations: [ App, TabsComponent, TabComponent, DummyComponent ],
  bootstrap: [ App ]
})
export class AppModule {}

import {Component,ChangeDetectionStrategy,HostBinding,Input} from '@angular/core';

@Component({
    selector: 'cl-tab',
    template: `<ng-content></ng-content>`,
    styleUrls: ['tab.component.scss'],
    changeDetection: ChangeDetectionStrategy.OnPush,
})
export class TabComponent {
    @Input() title: string;
    @Input() @HostBinding('class.is-active') active: boolean = false;
}

import {Component,ChangeDetectionStrategy,ContentChildren,QueryList} from '@angular/core';
import {TabComponent} from 'tab.component.ts'

@Component({
    selector: 'cl-tabs',
    template: `<ng-content></ng-content>`,
    changeDetection: ChangeDetectionStrategy.OnPush,
})
export class TabsComponent implements AfterContentInit {
    @ContentChildren(TabComponent) tabs: QueryList<TabComponent>;

    ngAfterContentInit(): void {
        if (0 < this.tabs.length) {
            this.activate(this.tabs.first);
        }
    }

    activate(activatedTab: TabComponent) {
        this.tabs.forEach(tab => tab.active = false);
        activatedTab.active = true;
    }
}

:host {
  display: none;
}

:host(.is-active) {
  display: block;
}

import {Component,ChangeDetectionStrategy,Input} from '@angular/core';

@Component({
    selector: 'cl-dummy',
    template: `<div>{{item.value}}</div>`,
    changeDetection: ChangeDetectionStrategy.OnPush,
})
export class DummyComponent {
    @Input() item: {name: string, value: any};
}