nrm安装过程及报错解决

打开powerShell

	npm install rnm -g //下载全局包nrm

运行nrm时报错：

nrm : 无法加载文件 C:\Users\Lenovo\AppData\Roaming\npm\nrm.ps1，因为在此系统上禁止运行脚本。有关详细信息，请 参阅 https:
/go.microsoft.com/fwlink/?LinkID=135170 中的 about_Execution_Policies。
所在位置 行:1 字符: 1
+ nrm ls
+ ~~~+ CategoryInfo          : SecurityError: (:) []，PSSecurityException+ FullyQualifiedErrorId : UnauthorizedAccess

解决方法：以管理员身份运行powershell

	set-ExecutionPolicy RemoteSigned //修改执行策略，按Y确定

继续运行nrm ls时报错

[TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefinedat validateString (internal/validators.js:124:11)at Object.join (path.js:375:7)at Object. (C:\Users\Lenovo\AppData\Roaming\npm\node_modules\nrm\cli.js:17:20)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)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'
}

解决方法：查找nrm安装路径，输入：

	 npm root -g 

寻找到nrm下的文件cli.js

#!/usr/bin/env nodeconst path = require('path');
const fs = require('fs');
const program = require('commander');
const npm = require('npm');
const ini = require('ini');
const echo = require('node-echo');
const extend = require('extend');
const open = require('open');
const async = require('async');
const request = require('request');
const only = require('only');const registries = require('./registries.json');
const PKG = require('./package.json');
const NRMRC = path.join(process.env.HOME, '.nrmrc'); (删除)

将14行修改

//const NRMRC = path.join(process.env.HOME, '.nrmrc'); 将该行修改为下面那行
const NRMRC = path.join(process.env[(process.platform == 'win32') ? 'USERPROFILE' : 'HOME'], '.nrmrc');

再次输入nrm ls

	nrm ls* npm -------- https://registry.npmjs.org/yarn ------- https://registry.yarnpkg.com/cnpm ------- http://r.cnpmjs.org/taobao ----- https://registry.npm.taobao.org/nj --------- https://registry.nodejitsu.com/npmMirror -- https://skimdb.npmjs.com/registry/edunpm ----- http://registry.enpmjs.org/nrm use taobao //选择淘宝做为默认下载地址

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