Config file

common:
  availableLanguages: [en, fr]

With Ibex

import Ibex from 'ibex';
import config from 'alp-browser-config';
import language from 'alp-browser-language';

const app = new Ibex();
config('/config')(app);
language(app);

context

language: string

First accepted language in the header / in navigator.languages contained in availableLanguages, or the first language in availableLanguages.

firstAcceptedLanguage: string

The first accepted language in the header / in navigator.languages regardless of availableLanguages. Can be a locale. Usefull for date/time/...