在package.json中，这些带有前缀下划线的属性是什么? [英] What are these properties prefixing underscore used for in package.json?
本文介绍了在package.json中，这些带有前缀下划线的属性是什么?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我在package.json中发现了这些属性在下划线前加前缀.它们是用来干什么的?为什么在属性上加下划线?
I found these properties prefixing underscore in package.json. What are they used for? why prefixing underscore on properties?
"_from": "react-scripts@0.9.3",
"_id": "react-scripts@0.9.3",
"_inCache": true,
"_location": "/react-scripts",
"_nodeVersion": "6.0.0",
"_npmOperationalInternal": {
"host": "packages-18-east.internal.npmjs.com",
"tmp": "tmp/react-scripts-0.9.3.tgz_1488303928068_0.6415497597772628"
},
"_npmUser": {
"name": "gaearon",
"email": "dan.abramov@gmail.com"
},
推荐答案
这些是保留给程序包注册表的元数据.所有以_或$开头的属性均保留供软件包注册管理机构使用. 维基百科上常见的保留属性"部分对此进行了解释.
Those are meta data reserved for package registries. All properties beginning with _ or $ are reserved for package registries to use at their discretion. wiki common "Reserved Properties" section explains it.
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