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import {_isArray} from './_internals/_isArray'
async function mapAsyncFn(fn, listOrObject) {  if (_isArray(listOrObject)) {    const willReturn = []    let i = 0    for (const a of listOrObject) {      willReturn.push(await fn(a, i++))    }
    return willReturn  }
  const willReturn = {}  for (const prop in listOrObject) {    willReturn[prop] = await fn(listOrObject[prop], prop)  }
  return willReturn}
export function mapAsync(fn, listOrObject) {  if (arguments.length === 1) {    return async _listOrObject => mapAsyncFn(fn, _listOrObject)  }
  return new Promise((resolve, reject) => {    mapAsyncFn(fn, listOrObject).then(resolve).catch(reject)  })}