NRM 报错： code:‘ERR_INVALID_ARG_TYPE‘解决方法_code: 'err_invalid_arg_type

命令npm install nrm -g安装，nrm 1.2.1报错：

[TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined
  at validateString (internal/validators.js:122:11)
  at Object.join (path.js:375:7)
  at Object.<anonymous> (C:\Users\liyin\AppData\Roaming\npm\node_modules\nrm\cli.js:17:20)
  at Module._compile (internal/modules/cjs/loader.js:1076:30)
  at Object.Module._extensions..js (internal/modules/cjs/loader.js:1097:10)
  at Module.load (internal/modules/cjs/loader.js:941:32)
  at Function.Module._load (internal/modules/cjs/loader.js:782:14)
  at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)
  at internal/main/run_main_module.js:17:47

] {
  code: 'ERR_INVALID_ARG_TYPE'
}
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找到nrm目录(错误第四行)

打开cli.js 第17行修改成

// const NRMRC = path.join(process.env.HOME, '.nrmrc'); (删除)
const NRMRC = path.join(process.env[(process.platform == 'win32') ? 'USERPROFILE' : 'HOME'], '.nrmrc');
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保存后重新打开命令行，可正常运行nrm ls命令

C:\Windows\system32>nrm ls
  npm -------- [https://registry.npmjs.org/](https://registry.npmjs.org/)
  yarn ------- [https://registry.yarnpkg.com/](https://registry.yarnpkg.com/)
  cnpm ------- [http://r.cnpmjs.org/](http://r.cnpmjs.org/)
- taobao ----- [https://registry.npm.taobao.org/](https://registry.npm.taobao.org/)
  nj --------- [https://registry.nodejitsu.com/](https://registry.nodejitsu.com/)
  npmMirror -- [https://skimdb.npmjs.com/registry/](https://skimdb.npmjs.com/registry/)
  edunpm ----- [http://registry.enpmjs.org/](http://registry.enpmjs.org/)
  [TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined
    at validateString (internal/validators.js:122:11)
    at Object.join (path.js:375:7)
    at Object.<anonymous> (C:\Users\liyin\AppData\Roaming\npm\node_modules\nrm\cli.js:17:20)
    at Module._compile (internal/modules/cjs/loader.js:1076:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1097:10)
    at Module.load (internal/modules/cjs/loader.js:941:32)
    at Function.Module._load (internal/modules/cjs/loader.js:782:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)
    at internal/main/run_main_module.js:17:47
  ] {
    code: 'ERR_INVALID_ARG_TYPE'
  }
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