@magic/test/src/lib/promise.mjs

simple yet powerful unit testing library

import is from '@magic/types'

export const argHandler =
  r =>
  (...args) => {
    args = args.filter(arg => is.defined(arg) && !is.null(arg))

    if (args.length === 1) {
      return r(args[0])
    }

    r(args)
  }

// investigate argument passing
export const promise = fn => () => new Promise(r => fn(argHandler(r)))

export default promise