ngx-translate/core v1.10.0 on GitHub

1.10.0 (2016-03-06)

Features

MissingTranslationHandler: the MissingTranslationHandler is now able to return a value or an o (23267b13)
TranslateService: onLangChange now returns a LangChangeEvent instead of an object (e3087ac7)

BREAKING CHANGES:

The methods setMissingTranslationHandler, useLoader and useStaticFilesLoader have been removed. It was not a good practice to change these after DI. You should use provide instead, during bootstrap or in the providers property of your component.

If you don't need to change anything to the default configuration just use TRANSLATE_PROVIDERS:

import {HTTP_PROVIDERS} from 'angular2/http';
import {TRANSLATE_PROVIDERS} from 'ng2-translate/ng2-translate';
import {bootstrap} from 'angular2/platform/browser';

bootstrap(AppComponent, [
    HTTP_PROVIDERS,
    TRANSLATE_PROVIDERS
]);

If you need extra customisation you should use provide:

import {provide} from 'angular2/core';
import {HTTP_PROVIDERS} from 'angular2/http';
import {TranslateLoader, TranslateStaticLoader, TranslateService} from 'ng2-translate/ng2-translate';
import {bootstrap} from 'angular2/platform/browser';

bootstrap(AppComponent, [
    HTTP_PROVIDERS,
    provide(TranslateLoader, {
        useFactory: (http: Http) => new TranslateStaticLoader(http, 'assets/i18n', '.json'),
        deps: [Http]
    }),
    // use TranslateService here, and not TRANSLATE_PROVIDERS (which will define a default TranslateStaticLoader)
    TranslateService
]);

You can also use provide to define this at a component level, just add it to the providers property of your application.

If you use Ionic 2, you can customize the service like this:

import {provide} from 'angular2/core';
import {TranslateService, TranslateLoader, TranslateStaticLoader} from 'ng2-translate/ng2-translate';

@App({
  templateUrl: '....',
  config: {},
  providers: [
    provide(TranslateLoader, {
      useFactory: (http: Http) => new TranslateStaticLoader(http, 'assets/i18n', '.json'),
      deps: [Http]
    }),
    TranslateService
  ]
});