ctucx.git: trainsearch

settings: move `getDefaultLanguage` to `languages.js`

diff --git a/src/languages.js b/src/languages.js
@@ -1,5 +1,13 @@
 import { settings } from './settings.js';
 
+export const getDefaultLanguage = () => {
+	const userLang = navigator.language || navigator.userLanguage;
+
+	if (languages[userLang] !== undefined) return userLang;
+
+	return 'en';
+};
+
 export const t = (key, ...params) => {
 	let translation = languages[settings.language][key];
 	if (!translation) translation = languages['en'][key]

diff --git a/src/settings.js b/src/settings.js
@@ -1,10 +1,5 @@
 import { db } from './dataStorage.js';
-
-const getDefaultLanguage = () => {
-	const userLang = navigator.language || navigator.userLanguage;
-	if (['en', 'de', 'nl'].includes(userLang)) return userLang;
-	return 'en';
-};
+import { getDefaultLanguage } from './languages.js';
 
 const defaultSettings = {
 	language: getDefaultLanguage(),