import nodeGlob from 'glob'

export function glob(
  pattern: string | string[],
  options: nodeGlob.IOptions = {}
): Promise<string[]> {
  const patterns = Array.isArray(pattern) ? pattern : [pattern]
  return Promise.all(
    patterns.map(
      (pattern) =>
        new Promise<string[]>((resolve, reject) =>
          nodeGlob(pattern, options, (err, matches) =>
            err ? reject(err) : resolve(matches)
          )
        )
    )
  ).then((matches) => matches.reduce((carry, match) => carry.concat(match)))
}