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

import { LocaleService, TranslationService, Language } from 'angular-l10n';

@Component({
  selector: 'my-app',
    template: `
      <h1>{{ title }}</h1>

      <h3>{{ 'Change country' | translate:lang }}</h3>
      
      <button (click)="selectLocale('en', 'US', 'USD', 'America/Los_Angeles');">United States</button>
      <button (click)="selectLocale('en', 'GB', 'GBP', 'Europe/London');">United Kingdom</button>
      <button (click)="selectLocale('it', 'IT', 'EUR', 'Europe/Rome');">Italia</button>

      <home-component></home-component>
    `
})
export class AppComponent implements OnInit {

  @Language() lang: string;
  
  title: string;

  constructor(public locale: LocaleService, public translation: TranslationService) { }

  ngOnInit(): void {
      this.translation.translationChanged().subscribe(
          () => { this.title = this.translation.translate('Title'); }
      );
  }

  selectLocale(language: string, country: string, currency: string, zoneName: string): void {
      this.locale.setDefaultLocale(language, country);
      this.locale.setCurrentCurrency(currency);
      this.locale.setCurrentTimezone(zoneName);
  }

}
import { NgModule, APP_INITIALIZER } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { HttpClientModule } from '@angular/common/http';

import { AppComponent }  from './app.component';
import { HomeComponent } from './home.component';

import { L10nConfig, L10nLoader, LocalizationModule, StorageStrategy, ProviderType } from 'angular-l10n';

const l10nConfig: L10nConfig = {
    locale: {
        languages: [
            { code: 'en', dir: 'ltr' },
            { code: 'it', dir: 'ltr' }
        ],
        defaultLocale: { languageCode: 'en', countryCode: 'US' },
        currency: 'USD',
        timezone: 'America/Los_Angeles',
        storage: StorageStrategy.Cookie
    },
    translation: {
        providers: [
            { type: ProviderType.Static, prefix: './assets/locale-' }
        ],
        caching: true,
        missingValue: 'No key'
    }
};

// Advanced initialization.
export function initL10n(l10nLoader: L10nLoader): Function {
    return () => l10nLoader.load();
}

// APP_INITIALIZER will execute the function when the app is initialized and delay what it provides.
@NgModule({
  imports:      [ 
    BrowserModule,
    HttpClientModule,
    LocalizationModule.forRoot(l10nConfig)
  ],
  declarations: [ AppComponent, HomeComponent ],
  providers: [
      {
          provide: APP_INITIALIZER,
          useFactory: initL10n,
          deps: [L10nLoader],
          multi: true
      }
  ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }
<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <script type="text/javascript" charset="utf-8">
      window.AngularVersionForThisPlunker = '5.0.0'
    </script>
    <title>Angular localization Quickstart</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/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    
    <!--Internationalization API support-->
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=Intl.~locale.en-US,Intl.~locale.en-GB,Intl.~locale.it-IT"></script>
    <script src="https://unpkg.com/date-time-format-timezone@latest/build/browserified/date-time-format-timezone-complete-min.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
    </script>
  </head>

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

</html>
{
  "Title": "Angular localization",
  "Subtitle": "It's a small world",
  "Change country": "Change country",
  "Greeting": "Hi!",
  "Change": "Change"
}
{
  "Title": "Localizzazione in Angular",
  "Subtitle": "Il mondo รจ piccolo",
  "Change country": "Cambia Paese",
  "Greeting": "Ciao!",
  "Change": "Cambia"
}
import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'home-component',
  template: `
    <p l10nTranslate>Greeting</p>

    <p l10n-title title="Greeting" l10nTranslate>Subtitle</p>

    <p l10nDate="medium">{{ today }}</p>    
    <p l10nDecimal="1.5-5">{{ pi }}</p>
    <p l10nCurrency="1.2-2" [currencyDisplay]="'symbol'">{{ value }}</p>

    <button (click)="change()" l10nTranslate>Change</button>
  `
})
export class HomeComponent implements OnInit {

  today: number;
  pi: number;
  value: number;

  ngOnInit(): void {
    this.today = Date.now();
    this.pi = 3.14159;
    this.value = Math.round(Math.random() * 1000000) / 100;
  }

  change(): void {
    this.value = Math.round(Math.random() * 1000000) / 100;
  }

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

platformBrowserDynamic().bootstrapModule(AppModule)
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/common/http': 'npm:@angular/common' + angularVersion + '/bundles/common-http.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',
    'angular-l10n': 'npm:angular-l10n@4.0.0/bundles/angular-l10n.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'
    }
  }
});
/* Styles go here */