npm install -D sass-loader node-sass Vue.js 2021

Question

Hi issue is setting up SASS for Vue.js I run: Node.js - 15.7.0 Vue.js - @vue/cli 4.5.11 This is an error in the console I am having while running this command: npm install -D sass-loader node-sass

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! Found: [email protected]
npm ERR! node_modules/webpack
npm ERR!   peer webpack@"2 || 3 || 4" from [email protected]
npm ERR!   node_modules/babel-loader
npm ERR!     dev babel-loader@"^7.1.1" from the root project
npm ERR!   peer webpack@"^3.1.0" from [email protected]
npm ERR!   node_modules/extract-text-webpack-plugin
npm ERR!     dev extract-text-webpack-plugin@"^3.0.0" from the root project
npm ERR!   8 more (file-loader, friendly-errors-webpack-plugin, ...)
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! dev sass-loader@"*" from the root project
npm ERR! 
npm ERR! Conflicting peer dependency: [email protected]
npm ERR! node_modules/webpack
npm ERR!   peer webpack@"^4.36.0 || ^5.0.0" from [email protected]
npm ERR!   node_modules/sass-loader
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\marko\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\marko\AppData\Local\npm-cache\_logs\2021-01-28T16_11_07_342Z-debug.log

Zorina

Please mark the answer as accepted – Interregnum

Answer 1

I had the same problem today. Try installing sass-loader v10.0.5 instead:

npm install -D [email protected] node-sass

Herniorrhaphy

This works! Though we need to install appropriate node-sass version as per the node version installed in the machine as per the answer https://mcmap.net/q/63815/-error-39-node-sass-39-version-5-0-0-is-incompatible-with-4-0-0 – Debora

Answer 2

Actually, there's a note about this issue in Vue CLI docs:

When using webpack version 4, the default in Vue CLI 4, you need to make sure your loaders are compatible with it. Otherwise you will get errors about confliciting peer dependencies. In this case you can use an older version of the loader that is still compatible with webpack 4.

npm install -D sass-loader@^10 sass

Spin

This is the one that worked for me. Wish this had more points since the Vue CLI docs seem to already address it – Shavon

This also worked for me. – Coquelicot

Answer 3

I also got this error when install sass-loader. Fix it by the reference here: https://github.com/laravel-mix/laravel-mix/issues/2562

Need to add --legacy-peer-deps to resolve it.

Roofing

While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. – Inductee

Answer 4

i fixed this bug by running npm install --force

Supporter

Answer 5

Have you tried to use sass instead of node-sass?

Dashed