npm ERR Could not resolve dependency: npm ERR peer

1、原因

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! 

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

2、解决

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

npm install --legacy-peer-deps