Initial commit for Greenlens

greenlns-landing/context/LangContext.tsx

@@ -0,0 +1,27 @@
+'use client'
+
+import { createContext, useContext, useState, ReactNode } from 'react'
+import { Lang, translations } from '@/lib/i18n'
+
+interface LangCtx {
+  lang: Lang
+  setLang: (l: Lang) => void
+  t: typeof translations.de
+}
+
+const LangContext = createContext<LangCtx>({
+  lang: 'de',
+  setLang: () => {},
+  t: translations.de,
+})
+
+export function LangProvider({ children }: { children: ReactNode }) {
+  const [lang, setLang] = useState<Lang>('de')
+  return (
+    <LangContext.Provider value={{ lang, setLang, t: translations[lang] }}>
+      {children}
+    </LangContext.Provider>
+  )
+}
+
+export const useLang = () => useContext(LangContext)