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import {_isArray} from './_internals/_isArray'import {_keys} from './_internals/_keys'
export function mapArray(fn, list, isIndexed = false) {  let index = 0  const willReturn = Array(list.length)
  while (index < list.length) {    willReturn[index] = isIndexed ? fn(list[index], index) : fn(list[index])
    index++  }
  return willReturn}
export function mapObject(fn, obj) {  let index = 0  const keys = _keys(obj)  const len = keys.length  const willReturn = {}
  while (index < len) {    const key = keys[index]    willReturn[key] = fn(obj[key], key, obj)    index++  }
  return willReturn}
export const mapObjIndexed = mapObject
export function map(fn, iterable) {  if (arguments.length === 1) return _iterable => map(fn, _iterable)  if (!iterable) {    throw new Error('Incorrect iterable input')  }
  if (_isArray(iterable)) return mapArray(fn, iterable)
  return mapObject(fn, iterable)}