traffic-laser/src/lang/helper.ts

export function langMessageFactory(
  requireModules:  Record<string, () => Promise<unknown>>,
  prefix = 'lang'
) {
  const lang: Recordable = {}
  const filenames = Object.keys(requireModules)

  for (let filename of filenames) {
    const langAtom = (requireModules[filename] as any).default
    filename = filename.replace(`./${prefix}/`, '').replace(/^\.\//, '')
    filename = filename.substring(0, filename.lastIndexOf('.'))

    const locals = filename.split('/')
    const langname = locals.pop()
    let current = lang

    for (const name of locals) {
      lang[name] = current = lang[name] || {}
    }
    current[langname] = langAtom
  }

  return lang
}