Catalina上使用管理员权限安装 ios-sim工具

1、首先要安装nodejs中npm工具。

2、打开终端。

3、输入如下代码将报错。

npm install ios-sim -g

npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules
npm ERR! code EACCES
npm ERR! syscall access
npm ERR! path /usr/local/lib/node_modules
npm ERR! errno -13
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
npm ERR!  [Error: EACCES: permission denied, access '/usr/local/lib/node_modules'] {
npm ERR!   stack: "Error: EACCES: permission denied, access '/usr/local/lib/node_modules'",
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'access',
npm ERR!   path: '/usr/local/lib/node_modules'
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/zhang/.npm/_logs/2020-02-14T07_49_08_703Z-debug.log

3、原因：权限问题。解决“输入如下代码。（需要输入密码）

sudo  npm install ios-sim -g

zhang@zhangdeMac / % sudo npm install ios-sim -g
Password:
/usr/local/bin/ios-sim -> /usr/local/lib/node_modules/ios-sim/bin/ios-sim
+ [email protected]
added 11 packages from 20 contributors in 5.036s