Function args

packages/@tailwindcss-upgrade/src/utils/args.ts:69–101

(options: T, argv = process.argv.slice(2))

}

export function args<const T extends Arg>(options: T, argv = process.argv.slice(2)): Result<T> {
  let parsed = parse(argv)

  let result: { _: string[]; [key: string]: unknown } = {
    _: parsed._,
  }

  for (let [
    flag,
    { type, alias, default: defaultValue = type === class="st">'boolean' ? false : null },
  ] of Object.entries(options)) {
    class="cm">// Start with the default value
    result[flag] = defaultValue

    class="cm">// Try to find the `alias`, and map it to long form `flag`
    if (alias) {
      let key = alias.slice(1)
      if (parsed[key] !== undefined) {
        result[flag] = convert(parsed[key], type)
      }
    }

    class="cm">// Try to find the long form `flag`
    {
      let key = flag.slice(2)
      if (parsed[key] !== undefined) {
        result[flag] = convert(parsed[key], type)
      }
    }
  }

  return result as Result<T>
}

class="cm">// ---