npm ERR! Error: EPERM: operation not permitted

你的名字 2022-05-09 15:22 193阅读 0赞

在根据angular4官网的例子做时，安装完node.js和angular/cli后，进行新建项目 采用命令ng new my-app时，报如下错误

npm WARN tarball tarball data for @angular/compiler@^6.1.0 (sha1-arNchYT72hOmcI3
    xS4sDzI+EmpQ=) seems to be corrupted. Trying one more time.
    npm WARN tarball tarball data for typescript@~2.9.2 (sha1-HL9h0F1rliaSROtqO85L2R
    Tg8Aw=) seems to be corrupted. Trying one more time.
    npm ERR! path D:\angularworkspace\my-app\node_modules\.staging\typescript-ac3c26
    90\lib\typingsInstaller.js
    npm ERR! code EPERM
    npm ERR! errno -4048
    npm ERR! syscall unlink
    npm ERR! Error: EPERM: operation not permitted, unlink 'D:\angularworkspace\my-a
    pp\node_modules\.staging\typescript-ac3c2690\lib\typingsInstaller.js'
    npm ERR!  { Error: EPERM: operation not permitted, unlink 'D:\angularworkspace\m
    y-app\node_modules\.staging\typescript-ac3c2690\lib\typingsInstaller.js'
    npm ERR!   cause:
    npm ERR!    { Error: EPERM: operation not permitted, unlink 'D:\angularworkspace
    \my-app\node_modules\.staging\typescript-ac3c2690\lib\typingsInstaller.js'
    npm ERR!      errno: -4048,
    npm ERR!      code: 'EPERM',
    npm ERR!      syscall: 'unlink',
    npm ERR!      path: 'D:\\angularworkspace\\my-app\\node_modules\\.staging\\types
    cript-ac3c2690\\lib\\typingsInstaller.js' },
    npm ERR!   stack: 'Error: EPERM: operation not permitted, unlink \'D:\\angularwo
    rkspace\\my-app\\node_modules\\.staging\\typescript-ac3c2690\\lib\\typingsInstal
    ler.js\'',
    npm ERR!   errno: -4048,
    npm ERR!   code: 'EPERM',
    npm ERR!   syscall: 'unlink',
    npm ERR!   path: 'D:\\angularworkspace\\my-app\\node_modules\\.staging\\typescri
    pt-ac3c2690\\lib\\typingsInstaller.js',
    npm ERR!   parent: 'my-app' }
    npm ERR!
    npm ERR! The operation was rejected by your operating system.
    npm ERR! It's possible that the file was already in use (by a text editor or ant
    ivirus),
    npm ERR! or that you lack permissions to access it.
    npm ERR!
    npm ERR! If you believe this might be a permissions issue, please double-check t
    he
    npm ERR! permissions of the file and its containing directories, or try running
    npm ERR! the command again as root/Administrator (though this is not recommended
    ).

看错误貌似是权限问题，网上也有很多说权限问题，切换到管理员窗口即可，自己本身就是管理员权限，因而无用，，

最后症结是缓存问题导致：

解决办法如下

需要删除npmrc文件。

强调：不是nodejs安装目录npm模块下的那个npmrc文件

而是在C:\\Users\\\{账户\}\\下的.npmrc文件..

当然也有说用命令清除缓存的，我自己试了下没成功，上面删除文件来的更加直接彻底，关键是见效，记录于此。