npm install报错npm ERR Could not resolve dependency: npm ERR peer...

cyol_wenchunyu@wenchunyudeiMac admin % npm install
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: [email protected]
npm ERR! Found: [email protected]
npm ERR! node_modules/eslint
npm ERR!   dev eslint@"^7.32.0" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer eslint@">= 1.6.0 < 7.0.0" from @vue/[email protected]
npm ERR! node_modules/@vue/cli-plugin-eslint
npm ERR!   dev @vue/cli-plugin-eslint@"~4.5.0" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! See /Users/cyol_wenchunyu/.npm/eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/cyol_wenchunyu/.npm/_logs/2022-08-24T08_55_00_862Z-debug-0.log

报错原因

在新版本的npm中,默认情况下,npm install遇到冲突的peerDependencies时将失败。

解决办法

使用--force或--legacy-peer-deps可解决这种情况。

--force 会无视冲突,并强制获取远端npm库资源,当有资源冲突时覆盖掉原先的版本。
--legacy-peer-deps:安装时忽略所有peerDependencies,忽视依赖冲突,采用npm版本4到版本6的样式去安装依赖,已有的依赖不会覆盖。
建议用--legacy-peer-deps 比较保险一点

在终端重新安装即可解决

npm install --legacy-peer-deps

关闭对应端口号

1.首先直接列出使用了该端口的应用程序

lsof -i:端口号

2.选择使用了该端口的pid

kill -9 对应的pid

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