Function pMapSeries

src/index.js:42–50

(iterable, iterator)

// Lifted from https://github.com/sindresorhus/p-map-series
// Thanks @sindresorhus! 🙏
const pMapSeries = (iterable, iterator) => {
  const ret = []

  return pReduce(iterable, (a, b, i) =>
    Promise.resolve(iterator(b, i)).then(val => {
      ret.push(val)
    }),
  ).then(() => ret)
}

const ensureChild = child =>
  child && typeof child.render === 'function'