i18n

1 files changed, 7 insertions, 0 deletions

diff --git a/packages/taler-wallet-webextension/src/hooks/useLang.ts b/packages/taler-wallet-webextension/src/hooks/useLang.ts
new file mode 100644
index 000000000..d9ad7cd55
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/hooks/useLang.ts
@@ -0,0 +1,7 @@
+import { useNotNullLocalStorage } from './useLocalStorage';
+
+export function useLang(initial?: string): [string, (s:string) => void] {
+  const browserLang: string | undefined = typeof window !== "undefined" ? navigator.language || (navigator as any).userLanguage : undefined;
+  const defaultLang = (browserLang || initial || 'en').substring(0, 2)
+  return useNotNullLocalStorage('lang-preference', defaultLang)
+}