angular-i18n

@Component({
  template: `
    <p i18n="@@userCount">
      There are { count, plural, =0 { no users } =1 { one user } other { {{ count }} users } } in the system.
    </p>
  `
})
export class UsersComponent {
  count = 5;
}

@Component({
  template: `
    <p i18n="@@message">
      { gender, select, male {He} female {She} other {They} } is attending.
    </p>
  `
})
export class MessageComponent {}

ng extract-i18n --output-path src/locale

ng build --localize

{
  "projects": {
    "my-app": {
      "i18n": {
        "locales": {
          "en": "src/locale/messages.en.xlf",
          "es": "src/locale/messages.es.xlf",
          "fr": "src/locale/messages.fr.xlf"
        }
      }
    }
  }
}

@Component({
  template: `
    <img i18n-title title="Logo" src="logo.png" />
    <a i18n-href href="/about" hreflang="es">About</a>
  `
})
export class HeaderComponent {}

import { $localize } from '@angular/localize';
 
$localize`:@@greeting:Hello, ${name}:name:World!`;

// Alternative: use @ngx-translate/core
import { TranslateModule } from '@ngx-translate/core';
 
@NgModule({
  imports: [TranslateModule.forRoot()]
})
export class AppModule {}

// Using @ngx-translate
this.translate.getTranslation('en').subscribe(translations => {
  // Load translations
});