package.json

@@ -69,7 +69,7 @@
     "fork-ts-checker-webpack-plugin": "^9.0.2",
     "html-webpack-plugin": "^5.6.0",
     "mini-css-extract-plugin": "^2.7.7",
-    "css-minimizer-webpack-plugin": "^7.0.0",
+    "optimize-css-assets-webpack-plugin": "^6.0.1",
     "postcss": "^8.4.33",
     "postcss-loader": "^8.1.0",
     "prettier": "^3.2.4",

webpack.config.js

@@ -9,7 +9,7 @@ const ExtensionReloader = require('webpack-ext-reloader');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 const WextManifestWebpackPlugin = require('wext-manifest-webpack-plugin');
 const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
-const CSSMinimizerPlugin = require('css-minimizer-webpack-plugin');
+const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
 
 const viewsPath = path.join(__dirname, 'views');
 const sourcePath = path.join(__dirname, 'source');
@@ -187,12 +187,9 @@ module.exports = {
         },
         extractComments: false,
       }),
-      new CSSMinimizerPlugin({
+      new OptimizeCSSAssetsPlugin({
-        minimizerOptions: {
+        cssProcessorPluginOptions: {
-          preset: [
+          preset: ['default', {discardComments: {removeAll: true}}],
-            "default", 
-            { discardComments: { removeAll: true } },
-          ],
         },
       }),
       new FilemanagerPlugin({