import { HttpClient, HttpClientModule } from '@angular/common/http';
import { TranslateModule, TranslateLoader } from '@ngx-translate/core';

import { MultiTranslateHttpLoader } from './util/translate/multi-translate-http-loader';

export function createTranslateLoader(http: HttpClient): TranslateLoader {
  return new MultiTranslateHttpLoader(http, [
    { prefix: './assets/i18n/', suffix: '.json' },
    { prefix: './assets/i18n/library-', suffix: '.json' }
  ]);
}

@NgModule({
  ...,
  imports: [
    ...,
    HttpClientModule,
    TranslateModule.forRoot({
      loader: {
        provide: TranslateLoader,
        useFactory: createTranslateLoader,
        deps: [HttpClient]
      },
      defaultLanguage: 'en'
    })
  ],
  ...
})
...