Half complete i18n

UI/i18n/Locale.ts

@@ -0,0 +1,18 @@
+import { UIEventSource } from "../UIEventSource";
+
+
+const LANGUAGE_KEY = 'language'
+
+export default class Locale {
+    public static language: UIEventSource<string> = new UIEventSource(Locale.getInitialLanguage())
+
+    public static init() {
+        Locale.language.addCallback(data => {
+            localStorage.setItem(LANGUAGE_KEY, data)
+        })
+    }
+
+    private static getInitialLanguage() {
+        return localStorage.getItem(LANGUAGE_KEY)
+    }
+}