You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.3 KiB
40 lines
1.3 KiB
3 years ago
|
/**
|
||
|
|
* https://github.com/swan-team/swan-js/blob/61e2a63f7aa576b5daafbe77fdfa7c65b977060c/src/utils/index.js
|
||
|
|
*/
|
||
|
|
|
||
|
|
const _toString = Object.prototype.toString
|
||
|
|
/**
|
||
|
|
* 深度assign的函数
|
||
|
|
* @param {Object} targetObject 要被拷贝的目标对象
|
||
|
|
* @param {Object} originObject 拷贝的源对象
|
||
|
|
* @return {Object} merge后的对象
|
||
|
|
*/
|
||
|
|
export const deepAssign = (targetObject = {}, originObject) => {
|
||
|
|
const originType = _toString.call(originObject)
|
||
|
|
if (originType === '[object Array]') {
|
||
|
|
targetObject = originObject.slice(0)
|
||
|
|
return targetObject
|
||
|
|
} else if (originType === '[object Object]') {
|
||
|
|
for (const key in originObject) {
|
||
|
|
targetObject[key] = deepAssign(targetObject[key], originObject[key])
|
||
|
|
}
|
||
|
|
return targetObject
|
||
|
|
} else if (originType === '[object Date]') {
|
||
|
|
return new Date(originObject.getTime())
|
||
|
|
} else if (originType === '[object RegExp]') {
|
||
|
|
const target = String(originObject)
|
||
|
|
const lastIndex = target.lastIndexOf('/')
|
||
|
|
return new RegExp(target.slice(1, lastIndex), target.slice(lastIndex + 1))
|
||
|
|
}
|
||
|
|
return originObject
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 深度拷贝逻辑，不同于lodash等库，但是与微信一致
|
||
|
|
* @param {*} [originObj] 原对象
|
||
|
|
* @return {Object|Array} 拷贝结果
|
||
|
|
*/
|
||
|
|
export const deepClone = originObj => {
|
||
|
|
return deepAssign(_toString.call(originObj) === '[object Array]' ? [] : {}, originObj)
|
||
|
|
}
|