mac安装yarn报错:Error: command failed: yarn_error error: command failed: yarn error: command f

安装yarn的时候报错

创建vue项目报错如下

ERROR  Error: command failed: yarn
Error: command failed: yarn
    at ChildProcess.<anonymous> (/usr/local/lib/node_modules/@vue/cli/lib/util/executeCommand.js:138:16)
    at ChildProcess.emit (events.js:400:28)
    at maybeClose (internal/child_process.js:1058:16)
    at Socket.<anonymous> (internal/child_process.js:443:11)
    at Socket.emit (events.js:400:28)
    at Pipe.<anonymous> (net.js:686:12)
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执行命令：

npm install -g yarn
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出现如下错误

$ npm install -g yarn
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!   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/lishanshan/.npm/_logs/2023-06-04T14_07_51_925Z-debug.log
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原因是此用户没有安装权限
使用sudo对用户提权，这与linux很相似

$ sudo npm install -g yarn
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然后输入该系统账号密码

> yarn@1.22.19 preinstall /usr/local/lib/node_modules/yarn
> :; (node ./preinstall.js > /dev/null 2>&1 || true)

/usr/local/bin/yarnpkg -> /usr/local/lib/node_modules/yarn/bin/yarn.js
/usr/local/bin/yarn -> /usr/local/lib/node_modules/yarn/bin/yarn.js
+ yarn@1.22.19
added 1 package in 3.299s
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yarn -v
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相应版本即安装成功～