本篇文章记录一下用macOS搭建HEXO遇到的坑
执行

npm install hexo-cli -g

的时候报错

npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules/hexo-cli
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules/hexo-cli/node_modules/chokidar
npm ERR! code EACCES
npm ERR! syscall access
npm ERR! path /usr/local/lib/node_modules/hexo-cli
npm ERR! errno -13
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules/hexo-cli'
npm ERR!  [Error: EACCES: permission denied, access '/usr/local/lib/node_modules/hexo-cli'] {
npm ERR!   stack: "Error: EACCES: permission denied, access '/usr/local/lib/node_modules/hexo-cli'",
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'access',
npm ERR!   path: '/usr/local/lib/node_modules/hexo-cli'
npm ERR! }
npm ERR! 
npm ERR! The operation was rejected by your operating system.
npm ERR! It is likely you do not have the permissions to access this file as the current user
npm ERR! 
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/yuanyi/.npm/_logs/2019-10-30T11_43_55_100Z-debug.log

原因是/usr/local/lib/node_modules文件夹没有权限
执行

sudo chown -R `whoami` /usr/local/lib/node_modules

然后再执行

npm install hexo-cli -g

如果还报错error 17就执行

sudo npm install --unsafe-perm --verbose -g hexo