chore: update ESlint from v8 to v9

Author: ersachin3112

.eslintignore

@@ -42,8 +42,8 @@ Then add the plugin to your `webpack` configuration. For example:
 **webpack.config.js**
 
 ```js
-const MiniCssExtractPlugin = require("mini-css-extract-plugin");
 const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
+const MiniCssExtractPlugin = require("mini-css-extract-plugin");
 
 module.exports = {
   module: {
@@ -296,15 +296,15 @@ module.exports = {
         minify: [
           CssMinimizerPlugin.cssnanoMinify,
           CssMinimizerPlugin.cleanCssMinify,
-          async (data, inputMap, minimizerOptions) => {
+          async (data, inputMap, minimizerOptions) => 
             //  Custom minifier function
-            return {
-              code: `a{color: red}`,
-              map: `{"version": "3", ...}`,
+             ({
+              code: "a{color: red}",
+              map: "{\"version\": \"3\", ...}",
               warnings: [],
               errors: [],
-            };
-          },
+            })
+          ,
         ],
       }),
     ],

.eslintrc.js

@@ -0,0 +1,22 @@
+import { defineConfig } from "eslint/config";
+import configs from "eslint-config-webpack/configs.js";
+import n from "eslint-plugin-n";
+
+export default defineConfig([
+  {
+    extends: [configs["recommended-dirty"]],
+    plugins: {
+      n,
+    },
+    rules: {
+      // Disable experimental Node.js API warnings for os.availableParallelism
+      // This API is widely supported and stable in practice
+      "n/no-unsupported-features/node-builtins": [
+        "error",
+        {
+          ignores: ["os.availableParallelism"],
+        },
+      ],
+    },
+  },
+]);

README.md

@@ -2,20 +2,37 @@
   "name": "css-minimizer-webpack-plugin",
   "version": "7.0.2",
   "description": "CSS minimizer (minifier) plugin for Webpack",
-  "license": "MIT",
-  "repository": "webpack-contrib/css-minimizer-webpack-plugin",
-  "author": "Loann Neveu",
+  "keywords": [
+    "cssnano",
+    "css",
+    "csso",
+    "clean-css",
+    "swc",
+    "esbuild",
+    "webpack",
+    "webpack-plugin",
+    "minimize",
+    "minimizer",
+    "minify",
+    "minifier",
+    "optimize",
+    "optimizer"
+  ],
   "homepage": "https://github.com/webpack-contrib/css-minimizer-webpack-plugin",
   "bugs": "https://github.com/webpack-contrib/css-minimizer-webpack-plugin/issues",
+  "repository": "webpack-contrib/css-minimizer-webpack-plugin",
   "funding": {
     "type": "opencollective",
     "url": "https://opencollective.com/webpack"
   },
+  "license": "MIT",
+  "author": "Loann Neveu",
   "main": "dist/index.js",
   "types": "types/index.d.ts",
-  "engines": {
-    "node": ">= 18.12.0"
-  },
+  "files": [
+    "dist",
+    "types"
+  ],
   "scripts": {
     "start": "npm run build -- -w",
     "clean": "del-cli dist",
@@ -41,33 +58,6 @@
     "prepare": "husky && npm run build",
     "release": "standard-version"
   },
-  "files": [
-    "dist",
-    "types"
-  ],
-  "peerDependencies": {
-    "webpack": "^5.0.0"
-  },
-  "peerDependenciesMeta": {
-    "clean-css": {
-      "optional": true
-    },
-    "csso": {
-      "optional": true
-    },
-    "esbuild": {
-      "optional": true
-    },
-    "@parcel/css": {
-      "optional": true
-    },
-    "lightningcss": {
-      "optional": true
-    },
-    "@swc/css": {
-      "optional": true
-    }
-  },
   "dependencies": {
     "@jridgewell/trace-mapping": "^0.3.25",
     "cssnano": "^7.0.4",
@@ -82,14 +72,15 @@
     "@babel/preset-env": "^7.25.3",
     "@commitlint/cli": "^19.3.0",
     "@commitlint/config-conventional": "^19.2.2",
+    "@eslint/markdown": "^6.6.0",
     "@parcel/css": "^1.8.3",
+    "@stylistic/eslint-plugin": "^5.2.0",
     "@swc/css": "^0.0.28",
     "@types/clean-css": "^4.2.11",
     "@types/csso": "^5.0.4",
     "@types/node": "^20.14.9",
     "@types/serialize-javascript": "^5.0.4",
-    "@webpack-contrib/eslint-config-webpack": "^3.0.0",
-    "babel-jest": "^30.0.5",
+    "babel-jest": "^29.7.0",
     "clean-css": "^5.3.3",
     "copy-webpack-plugin": "^9.1.0",
     "cross-env": "^7.0.3",
@@ -100,9 +91,15 @@
     "del": "^6.1.0",
     "del-cli": "^5.1.0",
     "esbuild": "^0.25.0",
-    "eslint": "^8.56.0",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-plugin-import": "^2.29.1",
+    "eslint": "^9.30.1",
+    "eslint-config-prettier": "^10.1.5",
+    "eslint-config-webpack": "^4.3.0",
+    "eslint-plugin-import": "^2.32.0",
+    "eslint-plugin-jest": "^29.0.1",
+    "eslint-plugin-jsdoc": "^51.4.1",
+    "eslint-plugin-n": "^17.21.0",
+    "eslint-plugin-prettier": "^5.5.3",
+    "eslint-plugin-unicorn": "^59.0.1",
     "husky": "^9.1.4",
     "jest": "^30.0.5",
     "lightningcss": "^1.25.1",
@@ -118,20 +115,30 @@
     "typescript": "^5.5.4",
     "webpack": "^5.93.0"
   },
-  "keywords": [
-    "cssnano",
-    "css",
-    "csso",
-    "clean-css",
-    "swc",
-    "esbuild",
-    "webpack",
-    "webpack-plugin",
-    "minimize",
-    "minimizer",
-    "minify",
-    "minifier",
-    "optimize",
-    "optimizer"
-  ]
+  "peerDependencies": {
+    "webpack": "^5.0.0"
+  },
+  "peerDependenciesMeta": {
+    "clean-css": {
+      "optional": true
+    },
+    "csso": {
+      "optional": true
+    },
+    "esbuild": {
+      "optional": true
+    },
+    "@parcel/css": {
+      "optional": true
+    },
+    "lightningcss": {
+      "optional": true
+    },
+    "@swc/css": {
+      "optional": true
+    }
+  },
+  "engines": {
+    "node": ">= 18.12.0"
+  }
 }

eslint.config.mjs

@@ -1 +1,2 @@
+// eslint-disable-next-line no-undef
 jest.setTimeout(120000);