add example

examples/chat-app/public/.angular-cli.json

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+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "project": {
+    "name": "socket-app"
+  },
+  "apps": [
+    {
+      "root": "src",
+      "outDir": "dist",
+      "assets": [
+        "assets",
+        "favicon.ico"
+      ],
+      "index": "index.html",
+      "main": "main.ts",
+      "polyfills": "polyfills.ts",
+      "test": "test.ts",
+      "tsconfig": "tsconfig.app.json",
+      "testTsconfig": "tsconfig.spec.json",
+      "prefix": "app",
+      "styles": [
+        "styles.css"
+      ],
+      "scripts": [],
+      "environmentSource": "environments/environment.ts",
+      "environments": {
+        "dev": "environments/environment.ts",
+        "prod": "environments/environment.prod.ts"
+      }
+    }
+  ],
+  "e2e": {
+    "protractor": {
+      "config": "./protractor.conf.js"
+    }
+  },
+  "lint": [
+    {
+      "project": "src/tsconfig.app.json"
+    },
+    {
+      "project": "src/tsconfig.spec.json"
+    },
+    {
+      "project": "e2e/tsconfig.e2e.json"
+    }
+  ],
+  "test": {
+    "karma": {
+      "config": "./karma.conf.js"
+    }
+  },
+  "defaults": {
+    "styleExt": "css",
+    "component": {}
+  }
+}

examples/chat-app/public/.editorconfig

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+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

examples/chat-app/public/README.md

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+# SocketApp
+
+This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 1.0.0-rc.0.
+
+## Development server
+Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.
+
+## Code scaffolding
+
+Run `ng generate component component-name` to generate a new component. You can also use `ng generate directive/pipe/service/class/module`.
+
+## Build
+
+Run `ng build` to build the project. The build artifacts will be stored in the `dist/` directory. Use the `-prod` flag for a production build.
+
+## Running unit tests
+
+Run `ng test` to execute the unit tests via [Karma](https://karma-runner.github.io).
+
+## Running end-to-end tests
+
+Run `ng e2e` to execute the end-to-end tests via [Protractor](http://www.protractortest.org/).
+Before running the tests make sure you are serving the app via `ng serve`.
+
+## Further help
+
+To get more help on the Angular CLI use `ng help` or go check out the [Angular CLI README](https://github.com/angular/angular-cli/blob/master/README.md).

examples/chat-app/public/e2e/app.e2e-spec.ts

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+import { SocketAppPage } from './app.po';
+
+describe('socket-app App', () => {
+  let page: SocketAppPage;
+
+  beforeEach(() => {
+    page = new SocketAppPage();
+  });
+
+  it('should display message saying app works', () => {
+    page.navigateTo();
+    expect(page.getParagraphText()).toEqual('app works!');
+  });
+});

examples/chat-app/public/e2e/app.po.ts

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+import { browser, element, by } from 'protractor';
+
+export class SocketAppPage {
+  navigateTo() {
+    return browser.get('/');
+  }
+
+  getParagraphText() {
+    return element(by.css('app-root h1')).getText();
+  }
+}

examples/chat-app/public/e2e/tsconfig.e2e.json

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+{
+  "compilerOptions": {
+    "sourceMap": true,
+    "declaration": false,
+    "moduleResolution": "node",
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "lib": [
+      "es2016"
+    ],
+    "outDir": "../dist/out-tsc-e2e",
+    "module": "commonjs",
+    "target": "es6",
+    "types":[
+      "jasmine",
+      "node"
+    ]
+  }
+}

examples/chat-app/public/package.json

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+{
+  "name": "socket-app",
+  "version": "0.0.0",
+  "license": "MIT",
+  "scripts": {
+    "ng": "ng",
+    "start": "ng serve",
+    "build": "ng build",
+    "test": "ng test",
+    "lint": "ng lint",
+    "e2e": "ng e2e"
+  },
+  "private": true,
+  "dependencies": {
+    "@angular/common": "^2.4.0",
+    "@angular/compiler": "^2.4.0",
+    "@angular/core": "^2.4.0",
+    "@angular/forms": "^2.4.0",
+    "@angular/http": "^2.4.0",
+    "@angular/platform-browser": "^2.4.0",
+    "@angular/platform-browser-dynamic": "^2.4.0",
+    "@angular/router": "^3.4.0",
+    "core-js": "^2.4.1",
+    "ng2-socket-io": "^0.1.0",
+    "rxjs": "^5.1.0",
+    "zone.js": "^0.7.6"
+  },
+  "devDependencies": {
+    "@angular/cli": "1.0.0-rc.0",
+    "@angular/compiler-cli": "^2.4.0",
+    "@types/jasmine": "2.5.38",
+    "@types/node": "^6.0.63",
+    "codelyzer": "~2.0.0",
+    "jasmine-core": "~2.5.2",
+    "jasmine-spec-reporter": "~3.2.0",
+    "ts-node": "~2.0.0",
+    "tslint": "~4.4.2",
+    "typescript": "~2.0.0"
+  }
+}

examples/chat-app/public/src/app/app.module.ts

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+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { SocketIoModule, SocketIoConfig } from 'ng2-socket-io';
+import { ChatComponent } from './chat.component';
+
+const config: SocketIoConfig = { url: 'http://localhost:8988', options: {} };
+
+@NgModule({
+  declarations: [
+    ChatComponent
+  ],
+  imports: [
+    BrowserModule,
+    SocketIoModule.forRoot(config) 
+  ],
+  bootstrap: [ChatComponent]
+})
+export class AppModule { }

examples/chat-app/public/src/app/chat.component.html

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+<div>
+    <input type="text" #msgInput name="" value="">
+    <button (click)="sendMsg(msgInput.value)">Send</button>
+    <br>
+    <p>{{msg}}</p> 
+</div>

examples/chat-app/public/src/app/chat.component.ts

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+import { Component } from '@angular/core';
+
+import { ChatService } from './chat.service';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './chat.component.html',
+  providers : [ChatService]
+})
+export class  ChatComponent {
+  msg : string;
+
+  constructor(private chatService : ChatService) {}
+
+  ngOnInit() {
+    this.chatService
+        .getMessage()
+        .subscribe(msg => {
+          this.msg = msg;
+        })
+  }
+
+  sendMsg(msg){
+     this.chatService.sendMessage(msg);
+  }
+
+}
+

examples/chat-app/public/src/app/chat.service.ts

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+import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs/Observable'
+import 'rxjs/add/operator/map'; 
+import { Socket } from 'ng2-socket-io';
+
+@Injectable()
+export class ChatService {
+
+    constructor(private socket: Socket) {}
+
+    getMessage() {
+        return this.socket
+            .fromEvent("msg")
+            .map(data => data.msg);
+    }
+
+    sendMessage(msg: string) {
+        this.socket
+            .emit("msg", msg);
+    }
+}

examples/chat-app/public/src/environments/environment.prod.ts

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+export const environment = {
+  production: true
+};

examples/chat-app/public/src/environments/environment.ts

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+// The file contents for the current environment will overwrite these during build.
+// The build system defaults to the dev environment which uses `environment.ts`, but if you do
+// `ng build --env=prod` then `environment.prod.ts` will be used instead.
+// The list of which env maps to which file can be found in `.angular-cli.json`.
+
+export const environment = {
+  production: false
+};

examples/chat-app/public/src/index.html

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+<!doctype html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>SocketApp</title>
+  <base href="/">
+
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="icon" type="image/x-icon" href="favicon.ico">
+</head>
+<body>
+  <app-root>Loading...</app-root>
+</body>
+</html>

examples/chat-app/public/src/main.ts

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+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule);

examples/chat-app/public/src/polyfills.ts

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+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/docs/ts/latest/guide/browser-support.html
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE9, IE10 and IE11 requires all of the following polyfills. **/
+// import 'core-js/es6/symbol';
+// import 'core-js/es6/object';
+// import 'core-js/es6/function';
+// import 'core-js/es6/parse-int';
+// import 'core-js/es6/parse-float';
+// import 'core-js/es6/number';
+// import 'core-js/es6/math';
+// import 'core-js/es6/string';
+// import 'core-js/es6/date';
+// import 'core-js/es6/array';
+// import 'core-js/es6/regexp';
+// import 'core-js/es6/map';
+// import 'core-js/es6/set';
+
+/** IE10 and IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/** IE10 and IE11 requires the following to support `@angular/animation`. */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+
+/** Evergreen browsers require these. **/
+import 'core-js/es6/reflect';
+import 'core-js/es7/reflect';
+
+
+/** ALL Firefox browsers require the following to support `@angular/animation`. **/
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+
+
+/***************************************************************************************************
+ * Zone JS is required by Angular itself.
+ */
+import 'zone.js/dist/zone';  // Included with Angular CLI.
+
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
+
+/**
+ * Date, currency, decimal and percent pipes.
+ * Needed for: All but Chrome, Firefox, Edge, IE11 and Safari 10
+ */
+// import 'intl';  // Run `npm install --save intl`.

examples/chat-app/public/src/styles.css

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+/* You can add global styles to this file, and also import other style files */