Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

lodash源码分析之isEqualWith #222

Open
HeftyKoo opened this issue May 1, 2020 · 0 comments
Open

lodash源码分析之isEqualWith #222

HeftyKoo opened this issue May 1, 2020 · 0 comments
Labels
api 暴露出来的接口 系列文章

Comments

@HeftyKoo
Copy link
Owner

HeftyKoo commented May 1, 2020

本文为读 lodash 源码的第二百二十一篇,后续文章会更新到这个仓库中,欢迎 star:pocket-lodash

gitbook也会同步仓库的更新,gitbook地址:pocket-lodash

依赖

import baseIsEqual from './.internal/baseIsEqual.js'

《lodash源码分析之baseIsEqual》

源码分析

function isEqualWith(value, other, customizer) {
  customizer = typeof customizer === 'function' ? customizer : undefined
  const result = customizer ? customizer(value, other) : undefined
  return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result
}

isEqualWitheqDeep 传多一个 customizer 函数,如果这个参数没有传,或者传入的不是函数,则和 eqDeep 的效果完全相同。

如果有传入 customizer 函数,则会先调用 customizer 函数,如果 customizer 函数返回的结果不是 undefined ,则直接返回 !!result

如果是 undefined ,则调用 baseIsEqual 来进行比较,并且将 customizer 函数传入 baseIsEqual

License

署名-非商业性使用-禁止演绎 4.0 国际 (CC BY-NC-ND 4.0)

最后,所有文章都会同步发送到微信公众号上,欢迎关注,欢迎提意见:

作者:对角另一面

@HeftyKoo HeftyKoo added 系列文章 api 暴露出来的接口 labels May 1, 2020
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
api 暴露出来的接口 系列文章
Projects
None yet
Development

No branches or pull requests

1 participant