updeep-remeda/lib/map.js
2017-04-18 17:55:46 -07:00

34 lines
778 B
JavaScript

import forEach from 'lodash/forEach'
import mapArray from 'lodash/map'
import mapObject from 'lodash/mapValues'
import update from './update'
import wrap from './wrap'
function shallowEqual(object, otherObject) {
let equal = true
// eslint-disable-next-line consistent-return
forEach(otherObject, (value, key) => {
if (value !== object[key]) {
equal = false
// exit early
return false
}
})
return equal
}
function map(iteratee, object) {
const updater = typeof iteratee === 'function' ? iteratee : update(iteratee)
const mapper = Array.isArray(object) ? mapArray : mapObject
const newObject = mapper(object, updater)
const equal = shallowEqual(object, newObject)
return equal ? object : newObject
}
export default wrap(map)