map.js

import { basename } from 'path'

const map = test =>
  test === 'map.js' ? test
  : test === 'unpack.js' ? ['src/unpack.ts', 'src/mkdir.ts']
  : test === 'load-all.js' ? []
  : `src/${test.replace(/js$/, 'ts')}`

export default test => map(basename(test))