CODEWITHSUNDEEP
npmwebpack
pythonNovice
pythonNovice

Reputation: 1431

Unable to install optimize-css-assets-webpack-plugin

My error when trying to install npm install --save-dev optimize-css-assets-webpack-plugin

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/webpack
npm ERR!   dev webpack@"^5.33.2" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer webpack@"^4.0.0" from [email protected]
npm ERR! node_modules/optimize-css-assets-webpack-plugin
npm ERR!   dev optimize-css-assets-webpack-plugin@"*" 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\danie\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\danie\AppData\Local\npm-cache\_logs\2021-04-16T17_32_37_320Z-debug.log

I have already updated webpack and npm. I checked the installation page and it mentions that I should have the most recent webpack. Any ideas?

Upvotes: 7

Views: 8089

Answers (3)

Timber
Timber

Reputation: 373

Adding to @pythonNovice, my config is as follows:

const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin")
...
//const OptimizeCssAssetsPlugin = require("optimize-css-assets-webpack-plugin")

In the optimization section:

minimize: true,
minimizer: [
    new TerserPlugin(), // optional
    new CssMinimizerPlugin()
    //new OptimizeCSSAssetsPlugin({
],

Upvotes: 3

Олег Ромашов
Олег Ромашов

Reputation: 1

npm install --save-dev optimize-css-assets-webpack-plugin --legacy-peer-deps

Upvotes: 0

pythonNovice
pythonNovice

Reputation: 1431

From going to the github repo, they actually mention to use css-minimizer-webpack-plugin for webpack 5.0

Upvotes: 17

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