Angular debounce click directive

<!DOCTYPE html>
<html>

  <head>
    <title>Angular Host Listeners and Key Events</title>
    <link rel="stylesheet" href="app.css" />
    <script src="https://unpkg.com/core-js/client/shim.min.js"></script>
    <script src="https://unpkg.com/zone.js@0.7.4?main=browser"></script>
    <script src="https://unpkg.com/systemjs@0.19.39/dist/system.src.js"></script>
    <script src="systemjs.config.js"></script>
    <script>
      System.import('app').catch(function(err){ console.error(err); });
    </script>
  </head>

  <body>
    <demo-app>Loading App...</demo-app>
  </body>
</html>

import { Component } from '@angular/core';

import { Employee } from './interfaces';

const employees: Employee[] = [
  { id: 0, firstName: 'Luke', lastName: 'Skywalker', email: 'last_jedi@lukeskywalker.com' },
  { id: 1, firstName: 'Han', lastName: 'Solo', email: 'scoundrel@hansolo.com' },
  { id: 2, firstName: 'Leia', lastName: 'Organa', email: 'princess@leiaorgana.com' },
];

@Component({
  selector: 'demo-app',
  templateUrl: 'app/app.component.html'
})
export class AppComponent {
  displayTable = true;
  employees = employees
  selectedEmployee = employees[0];

  constructor() { }
  
  ngOnInit() { }
  
  selectEmployee(employee: Employee) {
    this.selectedEmployee = employee;
  }
}

<button (click)="displayTable = true">Table</button>
<button (click)="displayTable = false">List</button>

<p>
  Selected Employee: <br>
  {{selectedEmployee.firstName}} {{selectedEmployee.lastName}}
</p>

<app-employee-list 
  *ngIf="!displayTable"
  [employees]="employees"
  (select)="selectEmployee($event)"></app-employee-list>
  
<app-employee-table
  *ngIf="displayTable"
  [employees]="employees"
  (select)="selectEmployee($event)"></app-employee-table>

/**
 * WEB ANGULAR VERSION
 * (based on systemjs.config.js in angular.io)
 * System configuration for Angular samples
 * Adjust as necessary for your application needs.
 */
(function (global) {
  System.config({
    // DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
    transpiler: 'ts',
    typescriptOptions: {
      // Copy of compiler options in standard tsconfig.json
      "target": "es5",
      "module": "commonjs",
      "moduleResolution": "node",
      "sourceMap": true,
      "emitDecoratorMetadata": true,
      "experimentalDecorators": true,
      "lib": ["es2015", "dom"],
      "noImplicitAny": true,
      "suppressImplicitAnyIndexErrors": true
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    paths: {
      // paths serve as alias
      'npm:': 'https://unpkg.com/'
    },
    // map tells the System loader where to look for things
    map: {
      // our app is within the app folder
      'app': 'app',

      // angular bundles
      '@angular/animations': 'npm:@angular/animations/bundles/animations.umd.js',
      '@angular/animations/browser': 'npm:@angular/animations/bundles/animations-browser.umd.js',
      '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
      '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
      '@angular/common/http': 'npm:@angular/common/bundles/common-http.umd.js',
      '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
      '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
      '@angular/platform-browser/animations': 'npm:@angular/platform-browser/bundles/platform-browser-animations.umd.js',
      '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
      '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
      '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
      '@angular/router/upgrade': 'npm:@angular/router/bundles/router-upgrade.umd.js',
      '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
      '@angular/upgrade': 'npm:@angular/upgrade/bundles/upgrade.umd.js',
      '@angular/upgrade/static': 'npm:@angular/upgrade/bundles/upgrade-static.umd.js',

      // other libraries
      'rxjs':                      'npm:rxjs@5.5.2',
      'rxjs/operators':            'npm:rxjs@5.5.2/operators/index.js',
      'tslib':                     'npm:tslib/tslib.js',
      'angular-in-memory-web-api': 'npm:angular-in-memory-web-api@0.4/bundles/in-memory-web-api.umd.js',
      'ts':                        'npm:plugin-typescript@5.2.7/lib/plugin.js',
      'typescript':                'npm:typescript@2.4.2/lib/typescript.js',

    },
    // packages tells the System loader how to load when no filename and/or no extension
    packages: {
      app: {
        main: './main.ts',
        defaultExtension: 'ts',
        meta: {
          './*.ts': {
            loader: 'systemjs-angular-loader.js'
          }
        }
      },
      rxjs: {
        defaultExtension: 'js'
      }
    }
  });

})(this);

/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';

import { AppModule } from './app.module';

const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { HttpModule } from '@angular/http';
import { RouterModule } from '@angular/router';

import { AppComponent } from './app.component';
import { EmployeeComponent } from './employee.component';
import { EmployeeListComponent } from './employee-list.component';
import { EmployeeTableComponent } from './employee-table.component';

@NgModule({
  imports: [
    BrowserModule,
    HttpModule
  ],
  declarations: [
    AppComponent,
    EmployeeComponent,
    EmployeeListComponent,
    EmployeeTableComponent
  ],
  providers: [ ],
  bootstrap: [ AppComponent ]
})
export class AppModule {
}

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": true,
    "suppressImplicitAnyIndexErrors": true
  }
}

var templateUrlRegex = /templateUrl\s*:(\s*['"`](.*?)['"`]\s*)/gm;
var stylesRegex = /styleUrls *:(\s*\[[^\]]*?\])/g;
var stringRegex = /(['`"])((?:[^\\]\\\1|.)*?)\1/g;

module.exports.translate = function(load){
  if (load.source.indexOf('moduleId') != -1) return load;

  var url = document.createElement('a');
  url.href = load.address;

  var basePathParts = url.pathname.split('/');

  basePathParts.pop();
  var basePath = basePathParts.join('/');

  var baseHref = document.createElement('a');
  baseHref.href = this.baseURL;
  baseHref = baseHref.pathname;

  if (!baseHref.startsWith('/base/')) { // it is not karma
    basePath = basePath.replace(baseHref, '');
  }

  load.source = load.source
    .replace(templateUrlRegex, function(match, quote, url){
      var resolvedUrl = url;

      if (url.startsWith('.')) {
        resolvedUrl = basePath + url.substr(1);
      }

      return 'templateUrl: "' + resolvedUrl + '"';
    })
    .replace(stylesRegex, function(match, relativeUrls) {
      var urls = [];

      while ((match = stringRegex.exec(relativeUrls)) !== null) {
        if (match[2].startsWith('.')) {
          urls.push('"' + basePath + match[2].substr(1) + '"');
        } else {
          urls.push('"' + match[2] + '"');
        }
      }

      return "styleUrls: [" + urls.join(', ') + "]";
    });

  return load;
};

import { Component, Input, Output, EventEmitter } from '@angular/core';
import { Employee } from './interfaces';

@Component({
  selector: 'app-employee',
  template: ''
})
export class EmployeeComponent {
  @Input() employees: Employee[] = [];
  @Output() select = new EventEmitter();

  heading = 'Employees';

  selectEmployee(employee: Employee) {
    this.select.emit(employee);
  }
}

import { Component } from '@angular/core';
import { EmployeeComponent } from './employee.component';

@Component({
  selector: 'app-employee-table',
  template: `
    <h1>{{heading}}</h1>
    <table>
      <tr>
        <td>First Name</td>
        <td>Last Name</td>
        <td>Email</td>
      </tr>
      <tr *ngFor="let employee of employees">
        <td>{{employee.firstName}}</td>
        <td>{{employee.lastName}}</td>
        <td>{{employee.email}}</td>
        <td><button (click)="selectEmployee(employee)">Select</button></td>
      </tr>
    </table>
  `
})
export class EmployeeTableComponent extends EmployeeComponent { }

import { Component } from '@angular/core';
import { EmployeeComponent } from './employee.component';

@Component({
  selector: 'app-employee-list',
  template: `
    <h1>{{heading}}</h1>
    <ul>
      <li *ngFor="let employee of employees">
        {{employee.firstName}} {{employee.lastName}} <br>
        {{employee.email}} <br>
        <button (click)="selectEmployee(employee)">Select</button>
      </li>
    </ul>
  `
})
export class EmployeeListComponent extends EmployeeComponent {
  heading = 'Employee List';
}

export interface Employee {
  id: number;
  firstName: string;
  lastName: string;
  email: string;
}

body {
  font-family: helvetica, arial;
}

table td {
  border: 1px solid #ccc;
}

ul li {
  padding: 12px 0;
}