Angular报错-Error: ENOENT: no such file or directory, scandir '/Users/echo_hx/node

2019-11-07 更新

我知道为啥报错了，自我好好反省一下！！！

所以，Mac的终端，不能用简写的命令，哭泣。。。

不过下面的，就可以看作安装卸载@angular/cli了

在全局安装angular-cli且成功之后，查看ng v ,报错了Error: ENOENT: no such file or directory, scandir '/Users/echo_hx/node_modules'。。。。

我去查了日志，如下：

[error] Error: ENOENT: no such file or directory, scandir '/Users/echo_hx/node_modules'at Object.readdirSync (fs.js:854:3)at VersionCommand.run (/usr/local/lib/node_modules/@angular/cli/commands/version-impl.js:50:41)at VersionCommand.validateAndRun (/usr/local/lib/node_modules/@angular/cli/models/command.js:134:39)at async Object.runCommand (/usr/local/lib/node_modules/@angular/cli/models/command-runner.js:186:24)at async default_1 (/usr/local/lib/node_modules/@angular/cli/lib/cli/index.js:54:31)

我百度了，也没找到实用的方法。它们总是node-sass安装问题，头秃。于是，我只能卸载重装了，一般npm也会产生不可预料的未知错误，所以也要安装cnpm，用yarn也行。

1.重装angular-cli

npm uninstall -g @angular/cli

再清一下缓存

npm cache clean --force

若清空缓存时出现错误，执行以下命令，要么没权限啥的，用sudo

npm cache clear --force && npm install --no-shrinkwrap --update-binary

2.设置淘宝代理，以安装cnpm。cnpm可代替npm，命令格式相同。

npm config rm proxy
npm config rm https-proxy
sudo npm install cnpm -g --registry=https://registry.npm.taobao.org

3.然后安装Angular-cli

cnpm install -g @angular/cli@latest

最后，ng v 查看版本

OK，，，完美……^ _ ^

参考文章：全局安装 Angular CLI

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Angular报错-Error: ENOENT: no such file or directory, scandir '/Users/echo_hx/node_modules'

不过下面的，就可以看作安装卸载@angular/cli了

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