当使用一份vue源码开发项目时，npm install 报错了
npm ERR! code ERESOLVE
npm ERR! ERESOLVE could not resolve
npm ERR!
npm ERR! While resolving: vue-admin-template@4.4.0
npm ERR! Found: webpack@4.46.0
npm ERR! node_modules/webpack
npm ERR! webpack@”^4.0.0″ from @vue/cli-plugin-babel@4.4.4
npm ERR! node_modules/@vue/cli-plugin-babel
npm ERR! dev @vue/cli-plugin-babel@”4.4.4″ from the root project
npm ERR! webpack@”^4.0.0″ from @vue/cli-service@4.4.4
npm ERR! node_modules/@vue/cli-service
npm ERR! dev @vue/cli-service@”4.4.4″ from the root project
npm ERR! peer @vue/cli-service@”^3.0.0 || ^4.0.0-0″ from @vue/cli-plugin-babel@4.4.4
npm ERR! node_modules/@vue/cli-plugin-babel
npm ERR! dev @vue/cli-plugin-babel@”4.4.4″ from the root project
npm ERR! 2 more (@vue/cli-plugin-eslint, @vue/cli-plugin-unit-jest)
npm ERR! 2 more (@vue/cli-plugin-eslint, html-webpack-plugin)
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! dev less-loader@”^11.1.0″ from the root project
npm ERR!
npm ERR! Conflicting peer dependency: webpack@5.88.2
npm ERR! node_modules/webpack
npm ERR! peer webpack@”^5.0.0″ from less-loader@11.1.3
npm ERR! node_modules/less-loader
npm ERR! dev less-loader@”^11.1.0″ 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 C:\Users\63089\AppData\Local\npm-cache\eresolve-report.txt for a full report.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\63089\AppData\Local\npm-cache_logs\2023-08-04T04_52_18_223Z-debug-0.log
出错的原因是
-
项目使用了
vue-admin-template@4.4.0
。 -
项目需要
webpack@4.46.0
，在
@vue/cli-plugin-babel@4.4.4
和
@vue/cli-service@4.4.4
中指定了这个版本。 -
less-loader
的依赖发生了冲突。项目需要
less-loader@"^11.1.0"
，但与此冲突的是
webpack@5.88.2
，它需要
less-loader@"^11.1.3"
。
降低less-loader的版本，解决了
“less-loader”: “^7.x.x”,