docs(guide): document internationalization (i18n)

Author: ocombe

public/docs/_examples/i18n/e2e-spec.ts

@@ -0,0 +1,19 @@
+/// <reference path='../_protractor/e2e.d.ts' />
+'use strict';
+describe('QuickStart E2E Tests', function () {
+
+  let expectedMsg = 'Hello from Angular 2 App with i18n';
+
+  beforeEach(function () {
+    browser.get('');
+  });
+
+  it(`should display: ${expectedMsg}`, function () {
+    expect(element(by.css('h1')).getText()).toEqual(expectedMsg);
+  });
+
+  it('should display an image', function () {
+    expect(element(by.css('img')).isPresent()).toBe(true);
+  });
+
+});

public/docs/_examples/i18n/ts-snippets/i18n.config.snippets.ts

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+/* tslint:disable */
+// #docregion i18n-directive
+<h1 i18n>Hello i18n</h1>
+// #enddocregion i18n-directive
+
+// #docregion i18n-directive-desc
+<h1 i18n="An introduction header for this sample">Hello i18n</h1>
+// #enddocregion i18n-directive-desc
+
+// #docregion i18n-directive-meaning
+<h1 i18n="User welcome|An introduction header for this sample">Hello i18n</h1>
+// #enddocregion i18n-directive-meaning
+
+// #docregion i18n-plural-pipe
+@Component({
+  selector: 'app',
+  template: `
+    <div>
+      {{ messages.length | i18nPlural: messageMapping }}
+    </div>
+  `,
+})
+class MyApp {
+  messages: any[];
+  messageMapping: {[k:string]: string} = {
+    '=0': 'No messages.',
+    '=1': 'One message.',
+    'other': '# messages.'
+  }
+}
+// #enddocregion i18n-plural-pipe
+
+// #docregion i18n-select-pipe
+@Component({
+  selector: 'app',
+  template: `
+    <div>
+      {{ gender | i18nSelect: inviteMap }}
+    </div>
+  `,
+})
+class MyApp {
+  gender: string = 'male';
+  inviteMap: any = {
+    'male': 'Invite him.',
+    'female': 'Invite her.',
+    'other': 'Invite them.'
+  }
+}
+// #enddocregion i18n-select-pipe
+
+// #docregion tsconfig1
+{
+  "compilerOptions": {
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "target": "es5",
+    "module": "commonjs",
+    "outDir": "./dist/out-tsc"
+  },
+  "files": [
+    "./src/main.ts"
+  ]
+}
+// #enddocregion tsconfig1
+
+// #docregion tsconfig2
+{
+  "compilerOptions": {
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "target": "es5",
+    "module": "commonjs",
+    "outDir": "./dist/out-tsc"
+  },
+  "files": [
+    "./src/main.ts"
+  ],
+  "angularCompilerOptions": {
+    "genDir": "./src/i18n"
+  }
+}
+// #enddocregion tsconfig2
+
+// #docregion bootstrap
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { enableProdMode } from '@angular/core';
+import { environment } from './environments/environment';
+import { AppModule } from './app/';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule);
+// #enddocregion bootstrap
+
+// #docregion bootstrap-i18n
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { enableProdMode, TRANSLATIONS, TRANSLATIONS_FORMAT, LOCALE_ID } from '@angular/core';
+import { environment } from './environments/environment';
+import { AppModule } from './app/';
+import { TRANSLATION } from './i18n/messages.fr';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+// Compile using french translations
+platformBrowserDynamic().bootstrapModule(
+  AppModule,
+  {
+    providers: [
+      {provide: TRANSLATIONS, useValue: TRANSLATION},
+      {provide: TRANSLATIONS_FORMAT, useValue: 'xlf'},
+      {provide: LOCALE_ID, useValue: 'fr'}
+    ]
+  }
+);
+// #enddocregion bootstrap-i18n
+
+
+// #docregion messages-ts
+export const TRANSLATION = `<?xml version="1.0" encoding="UTF-8"?>
+  <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" version="1.2">
+  <file source-language="en" datatype="plaintext" original="ng2.template" target-language="fr-fr">
+    ...
+  </file>
+  </xliff>`;
+// #enddocregion messages-ts

public/docs/dart/latest/guide/i18n.jade

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+!= partial("../../../_includes/_ts-temp")

public/docs/js/latest/guide/i18n.jade

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+!= partial("../../../_includes/_ts-temp")

public/docs/ts/latest/guide/_data.json

@@ -153,5 +153,10 @@
   "webpack": {
     "title": "Webpack: an introduction",
     "intro": "Create your Angular 2 applications with a Webpack based tooling"
+  },
+
+  "i18n": {
+    "title": "Internationalization (i18n)",
+    "intro": "Easily translate your website into multiple languages"
   }
 }