useLang

A hook that provides access to the user’s browser language preference and monitors for changes. Perfect for implementing language-based features and dynamic localization.

Parameters

This hook doesn’t take any parameters.

Returns

• string - The current browser language code (e.g., ‘en-US’, ‘es-ES’)

Usage

import { useLang } from '@rhinolabs/react-hooks';

function LanguageDisplay() {
  const language = useLang();

  return (
    <div>
      <p>Current Language: {language}</p>
      <p>
        {language.startsWith('en') ? (
          'Hello, welcome!'
        ) : language.startsWith('es') ? (
          '¡Hola, bienvenido!'
        ) : (
          'Welcome!'
        )}
      </p>
    </div>
  );
}

Notes

• Uses navigator.language API
• Updates on language changes
• Syncs with system changes
• Returns BCP 47 language tags
• Real-time language detection
• Automatic cleanup
• Uses useSyncExternalStore
• Efficient event handling