fuse-angular/src/app/app.component.ts

import { Component } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';

import { FuseSplashScreenService } from '@fuse/services/splash-screen.service';
import { FuseTranslationLoaderService } from '@fuse/services/translation-loader.service';
import { FuseNavigationService } from '@fuse/components/navigation/navigation.service';

import { navigation } from 'app/navigation/navigation';
import { locale as navigationEnglish } from 'app/navigation/i18n/en';
import { locale as navigationTurkish } from 'app/navigation/i18n/tr';

@Component({
    selector   : 'app',
    templateUrl: './app.component.html',
    styleUrls  : ['./app.component.scss']
})
export class AppComponent
{
    navigation: any;

    /**
     * Constructor
     *
     * @param {FuseNavigationService} _fuseNavigationService
     * @param {FuseSplashScreenService} _fuseSplashScreenService
     * @param {FuseTranslationLoaderService} _fuseTranslationLoaderService
     * @param {TranslateService} _translateService
     */
    constructor(
        private _fuseNavigationService: FuseNavigationService,
        private _fuseSplashScreenService: FuseSplashScreenService,
        private _fuseTranslationLoaderService: FuseTranslationLoaderService,
        private _translateService: TranslateService
    )
    {
        // Navigation
        this.navigation = navigation;

        // Add languages
        this._translateService.addLangs(['en', 'tr']);

        // Set the default language
        this._translateService.setDefaultLang('en');

        // Set the navigation translations
        this._fuseTranslationLoaderService.loadTranslations(navigationEnglish, navigationTurkish);

        // Use a language
        this._translateService.use('en');
    }
}