Fix some trivial typing errors.

Author: jakobkolb

frontend/src/index.ts

@@ -20,12 +20,8 @@ const disableLogin = !!process.env.REACT_APP_DISABLE_LOGIN;
 const LANG = process.env.REACT_APP_LANG;
 
 if (!LANG || LANG === "de") {
-  //@ts-ignore
-
   initializeLocalization("de", de, translationsDe);
 } else {
-  //@ts-ignore
-
   initializeLocalization("en", enGB, translationsEn);
 }
 

frontend/src/js/localization/index.ts

@@ -1,4 +1,5 @@
 import _T from "i18n-react";
+import { Locale } from "date-fns";
 
 import { mergeDeep } from "../common/helpers";
 
@@ -7,11 +8,11 @@ export const T = _T;
 type AvailableLocale = "en" | "de";
 
 let i18nLocale: AvailableLocale | null = null;
-let dateFnsLocale: AvailableLocale | null = null;
+let dateFnsLocale: Locale | null = null;
 
 export const initializeLocalization = (
   locale: AvailableLocale,
-  dateLocale: AvailableLocale,
+  dateLocale: Locale,
   // @ts-ignore
   ...texts
 ) => {