next-i18next/dist/es/utils/subpath-from-lng.js

The easiest way to translate your NextJs apps.

export const subpathFromLng = (config, language) => {
  if (typeof language !== 'string') {
    return null;
  }

  const subpath = config.localeSubpaths[language];

  if (typeof subpath !== 'string') {
    return null;
  }

  return subpath;
};