opt-cc/static/src/app/manage/manage.component.ts

import {Component} from '@angular/core';
import {TranslateService} from '@ngx-translate/core';
import {SettingsService} from '../services/settings.service';

@Component({
  selector: 'cc-manage-root',
  templateUrl: './manage.component.html',
  styleUrls: ['./manage.component.scss']
})
export class ManageComponent {
  constructor(private translate: TranslateService,
              private settingsService: SettingsService) {
    this.settingsService.getLanguage().subscribe((language) => this.translate.setDefaultLang(language));
  }
}