javascript - mac安装webpack报错了

问题描述

问 题

这段错误是什么意思，怎么解决呢？还请高手指教：

Last login: Sun Oct 16 10:11:50 on ttys000
DerekdeMacBook-Pro:~ derek$ npm -v
2.15.9
DerekdeMacBook-Pro:~ derek$ npm install webpack -g
npm ERR! tar.unpack untar error /Users/derek/.npm/webpack/1.13.2/package.tgz
npm ERR! Darwin 15.3.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "webpack" "-g"
npm ERR! node v4.6.0
npm ERR! npm v2.15.9
npm ERR! path /usr/local/lib/node_modules/webpack
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall mkdir

npm ERR! Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/webpack'
npm ERR! at Error (native)
npm ERR! { [Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/webpack']
npm ERR! errno: -13,
npm ERR! code: 'EACCES',
npm ERR! syscall: 'mkdir',
npm ERR! path: '/usr/local/lib/node_modules/webpack',
npm ERR! fstream_type: 'Directory',
npm ERR! fstream_path: '/usr/local/lib/node_modules/webpack',
npm ERR! fstream_class: 'DirWriter',
npm ERR! fstream_stack:
npm ERR! [ '/usr/local/lib/node_modules/npm/node_modules/fstream/lib/dir-writer.js:35:25',
npm ERR! '/usr/local/lib/node_modules/npm/node_modules/mkdirp/index.js:47:53',
npm ERR! 'FSReqWrap.oncomplete (fs.js:82:15)' ] }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.

npm ERR! Please include the following file with any support request:
npm ERR! /Users/derek/npm-debug.log
DerekdeMacBook-Pro:~ derek$

解决方案

sudo npm install webpack -g

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