webpack · alexander-akait · Mar 2, 2026 · Mar 2, 2026 · Mar 2, 2026 · Mar 2, 2026
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
@@ -67,7 +67,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [18.x, 20.x, 22.x, 24.x]
+        node-version: [20.x, 22.x, 24.x, 25.x]
         webpack-version: [latest]
 
     runs-on: ${{ matrix.os }}

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -58,46 +58,34 @@
     "html-minifier-terser": "^7.2.0",
     "jest-worker": "^30.0.0",
     "schema-utils": "^4.2.0",
-    "serialize-javascript": "^6.0.2"
+    "serialize-javascript": "^7.0.3"
   },
   "devDependencies": {
     "@babel/cli": "^7.24.8",
     "@babel/core": "^7.25.2",
     "@babel/preset-env": "^7.25.3",
-    "@commitlint/cli": "^19.3.0",
-    "@commitlint/config-conventional": "^19.2.2",
-    "@eslint/js": "^9.32.0",
-    "@eslint/markdown": "^7.1.0",
-    "@minify-html/node": "^0.16.4",
-    "@stylistic/eslint-plugin": "^5.2.2",
+    "@commitlint/cli": "^20.4.2",
+    "@commitlint/config-conventional": "^20.4.2",
+    "@minify-html/node": "^0.18.1",
     "@swc/html": "^1.13.2",
     "@types/node": "^20.14.9",
     "@types/serialize-javascript": "^5.0.4",
     "babel-jest": "^30.0.0",
-    "copy-webpack-plugin": "^13.0.0",
+    "copy-webpack-plugin": "^14.0.0",
     "cross-env": "^7.0.3",
-    "cspell": "^8.13.1",
+    "cspell": "^9.7.0",
     "del": "^7.1.0",
-    "del-cli": "^5.1.0",
+    "del-cli": "^7.0.0",
     "eslint": "^9.31.0",
-    "eslint-config-prettier": "^10.1.8",
     "eslint-config-webpack": "^4.5.0",
-    "eslint-plugin-import": "^2.32.0",
-    "eslint-plugin-jest": "^29.0.1",
-    "eslint-plugin-jsdoc": "^52.0.0",
-    "eslint-plugin-n": "^17.21.0",
-    "eslint-plugin-prettier": "^5.5.3",
-    "eslint-plugin-unicorn": "^60.0.0",
-    "globals": "^16.3.0",
     "husky": "^9.1.4",
     "jest": "^30.0.0",
-    "lint-staged": "^15.2.8",
+    "lint-staged": "^16.3.1",
     "memfs": "^4.11.1",
     "npm-run-all": "^4.1.5",
     "prettier": "^3.3.3",
     "standard-version": "^9.5.0",
     "typescript": "^5.5.4",
-    "typescript-eslint": "^8.38.0",
     "webpack": "^5.93.0"
   },
   "peerDependencies": {
@@ -109,6 +97,6 @@
     }
   },
   "engines": {
-    "node": ">= 18.12.0"
+    "node": ">= 20.9.0"
   }
 }
diff --git a/src/index.js b/src/index.js
@@ -22,7 +22,8 @@ const {
 
 /** @typedef {RegExp | string} Rule */
 /** @typedef {Rule[] | Rule} Rules */
-// eslint-disable-next-line jsdoc/no-restricted-syntax
+
+// eslint-disable-next-line jsdoc/reject-any-type
 /** @typedef {any} EXPECTED_ANY */
 
 /** @typedef {Error & { plugin?: string, text?: string, source?: string } | string} Warning */
@@ -47,8 +48,8 @@ const {
 /**
  * @typedef {object} MinimizedResultObj
  * @property {string} code The minimized code
- * @property {Array<Error | ErrorObject| string>=} errors Array of errors
- * @property {Array<Warning | WarningObject | string>=} warnings Array of warnings
+ * @property {(Error | ErrorObject | string)[]=} errors Array of errors
+ * @property {(Warning | WarningObject | string)[]=} warnings Array of warnings
  */
 
 /**
@@ -70,7 +71,7 @@ const {
 
 /**
  * @template T
- * @typedef {T extends any[] ? { [P in keyof T]?: InferDefaultType<T[P]> } : InferDefaultType<T>} MinimizerOptions
+ * @typedef {T extends EXPECTED_ANY[] ? { [P in keyof T]?: InferDefaultType<T[P]> } : InferDefaultType<T>} MinimizerOptions
  */
 
 /**
@@ -88,7 +89,7 @@ const {
 
 /**
  * @template T
- * @typedef {T extends any[] ? { [P in keyof T]: BasicMinimizerImplementation<T[P]> & MinimizeFunctionHelpers; } : BasicMinimizerImplementation<T> & MinimizeFunctionHelpers} MinimizerImplementation
+ * @typedef {T extends EXPECTED_ANY[] ? { [P in keyof T]: BasicMinimizerImplementation<T[P]> & MinimizeFunctionHelpers } : BasicMinimizerImplementation<T> & MinimizeFunctionHelpers} MinimizerImplementation
  */
 
 /**
@@ -101,9 +102,9 @@ const {
 
 /**
  * @typedef InternalResult
- * @property {Array<{ code: string }>} outputs Array of output objects
- * @property {Array<Warning | WarningObject | string>} warnings Array of warnings
- * @property {Array<Error | ErrorObject | string>} errors Array of errors
+ * @property {{ code: string }[]} outputs Array of output objects
+ * @property {(Warning | WarningObject | string)[]} warnings Array of warnings
+ * @property {(Error | ErrorObject | string)[]} errors Array of errors
  */
 
 /**
@@ -249,12 +250,11 @@ class HtmlMinimizerPlugin {
   static getAvailableNumberOfCores(parallel) {
     // In some cases cpus() returns undefined
     // https://github.com/nodejs/node/issues/19022
-    /* eslint-disable n/no-unsupported-features/node-builtins */
+
     const cpus =
       typeof os.availableParallelism === "function"
         ? { length: /** @type {number} */ (os.availableParallelism()) }
         : os.cpus() || { length: 1 };
-    /* eslint-enable n/no-unsupported-features/node-builtins */
 
     return parallel === true || typeof parallel === "undefined"
       ? cpus.length - 1
@@ -278,7 +278,7 @@ class HtmlMinimizerPlugin {
    * @param {Compiler} compiler The webpack compiler
    * @param {Compilation} compilation The webpack compilation
    * @param {Record<string, import("webpack").sources.Source>} assets The assets to optimize
-   * @param {{availableNumberOfCores: number}} optimizeOptions Optimization options
+   * @param {{ availableNumberOfCores: number }} optimizeOptions Optimization options
    * @returns {Promise<void>} Promise that resolves when optimization is complete
    */
   async optimize(compiler, compilation, assets, optimizeOptions) {

diff --git a/src/utils.js b/src/utils.js
@@ -1,8 +1,7 @@
 /** @typedef {import("./index.js").MinimizedResult} MinimizedResult */
 /** @typedef {import("./index.js").CustomOptions} CustomOptions */
 /** @typedef {import("./index.js").Input} Input */
-// eslint-disable-next-line jsdoc/no-restricted-syntax
-/** @typedef {any} EXPECTED_ANY */
+/** @typedef {import("./index.js").EXPECTED_ANY} EXPECTED_ANY */
 
 const notSettled = Symbol("not-settled");
 
@@ -155,7 +154,7 @@ async function swcMinify(input, minimizerOptions = {}) {
     errors: result.errors
       ? result.errors.map((diagnostic) => {
           const error =
-            /** @type {Error & { span: EXPECTED_ANY; level: EXPECTED_ANY }} */ (
+            /** @type {Error & { span: EXPECTED_ANY, level: EXPECTED_ANY }} */ (
               new Error(diagnostic.message)
             );
 
@@ -199,7 +198,7 @@ async function swcMinifyFragment(input, minimizerOptions = {}) {
     errors: result.errors
       ? result.errors.map((diagnostic) => {
           const error =
-            /** @type {Error & { span: EXPECTED_ANY; level: EXPECTED_ANY }} */ (
+            /** @type {Error & { span: EXPECTED_ANY, level: EXPECTED_ANY }} */ (
               new Error(diagnostic.message)
             );
 

diff --git a/test/__snapshots__/exclude-option.test.js.snap b/test/__snapshots__/exclude-option.test.js.snap
@@ -1,4 +1,4 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
 exports[`exclude option should match snapshot for a single RegExp value exclude: assets 1`] = `
 {

diff --git a/test/__snapshots__/include-option.test.js.snap b/test/__snapshots__/include-option.test.js.snap
@@ -1,4 +1,4 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
 exports[`include option should match snapshot for a single RegExp value include: assets 1`] = `
 {

diff --git a/test/__snapshots__/parallel-option.test.js.snap b/test/__snapshots__/parallel-option.test.js.snap
@@ -1,4 +1,4 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
 exports[`parallel option should match snapshot for the "2" value: assets 1`] = `
 {

diff --git a/test/__snapshots__/test-option.test.js.snap b/test/__snapshots__/test-option.test.js.snap
@@ -1,4 +1,4 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
 exports[`when applied with "test" option matches snapshot for a single "test" value (RegExp): assets 1`] = `
 {

diff --git a/test/__snapshots__/worker.test.js.snap b/test/__snapshots__/worker.test.js.snap
@@ -1,4 +1,4 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
 exports[`worker should emit error: error 1`] = `
 [

diff --git a/test/helpers/getErrors.js b/test/helpers/getErrors.js
@@ -1,3 +1,3 @@
 import normalizeErrors from "./normalizeErrors";
 
-export default (stats) => normalizeErrors(stats.compilation.errors).sort();
+export default (stats) => normalizeErrors(stats.compilation.errors).toSorted();
diff --git a/test/helpers/getWarnings.js b/test/helpers/getWarnings.js
@@ -1,3 +1,4 @@
 import normalizeErrors from "./normalizeErrors";
 
-export default (stats) => normalizeErrors(stats.compilation.warnings).sort();
+export default (stats) =>
+  normalizeErrors(stats.compilation.warnings).toSorted();
diff --git a/test/helpers/normalizeErrors.js b/test/helpers/normalizeErrors.js
@@ -16,8 +16,8 @@ function removeCWD(str) {
 }
 
 /**
- * @param {Array<Error>} errors The errors to normalize
- * @returns {Array<string>} The normalized error messages
+ * @param {Error[]} errors The errors to normalize
+ * @returns {string[]} The normalized error messages
  */
 export default (errors) =>
   errors.map((error) =>

diff --git a/test/parallel-option.test.js b/test/parallel-option.test.js
@@ -91,7 +91,7 @@ describe("parallel option", () => {
 
     const stats = await compile(compiler);
 
-    expect(Worker).toHaveBeenCalledTimes(0);
+    expect(Worker).not.toHaveBeenCalled();
 
     expect(readAssets(compiler, stats, /\.html$/i)).toMatchSnapshot("assets");
     expect(getErrors(stats)).toMatchSnapshot("errors");

diff --git a/types/index.d.ts b/types/index.d.ts
@@ -52,7 +52,7 @@ declare class HtmlMinimizerPlugin<
    * @param {Compiler} compiler The webpack compiler
    * @param {Compilation} compilation The webpack compilation
    * @param {Record<string, import("webpack").sources.Source>} assets The assets to optimize
-   * @param {{availableNumberOfCores: number}} optimizeOptions Optimization options
+   * @param {{ availableNumberOfCores: number }} optimizeOptions Optimization options
    * @returns {Promise<void>} Promise that resolves when optimization is complete
    */
   private optimize;
@@ -167,11 +167,11 @@ type MinimizedResultObj = {
   /**
    * Array of errors
    */
-  errors?: Array<Error | ErrorObject | string> | undefined;
+  errors?: (Error | ErrorObject | string)[] | undefined;
   /**
    * Array of warnings
    */
-  warnings?: Array<Warning | WarningObject | string> | undefined;
+  warnings?: (Warning | WarningObject | string)[] | undefined;
 };
 type MinimizedResult = MinimizedResultObj | string;
 type Input = {
@@ -181,7 +181,7 @@ type CustomOptions = {
   [key: string]: EXPECTED_ANY;
 };
 type InferDefaultType<T> = T extends infer U ? U : CustomOptions;
-type MinimizerOptions<T> = T extends any[]
+type MinimizerOptions<T> = T extends EXPECTED_ANY[]
   ? { [P in keyof T]?: InferDefaultType<T[P]> }
   : InferDefaultType<T>;
 type BasicMinimizerImplementation<T> = (
@@ -194,7 +194,7 @@ type MinimizeFunctionHelpers = {
    */
   supportsWorkerThreads?: (() => boolean | undefined) | undefined;
 };
-type MinimizerImplementation<T> = T extends any[]
+type MinimizerImplementation<T> = T extends EXPECTED_ANY[]
   ? {
       [P in keyof T]: BasicMinimizerImplementation<T[P]> &
         MinimizeFunctionHelpers;
@@ -221,17 +221,17 @@ type InternalResult = {
   /**
    * Array of output objects
    */
-  outputs: Array<{
+  outputs: {
     code: string;
-  }>;
+  }[];
   /**
    * Array of warnings
    */
-  warnings: Array<Warning | WarningObject | string>;
+  warnings: (Warning | WarningObject | string)[];
   /**
    * Array of errors
    */
-  errors: Array<Error | ErrorObject | string>;
+  errors: (Error | ErrorObject | string)[];
 };
 type MinimizerWorker<T> = JestWorker & {
   transform: (options: string) => Promise<InternalResult>;

diff --git a/types/utils.d.ts b/types/utils.d.ts
@@ -2,7 +2,7 @@ export type Task<T> = () => Promise<T>;
 export type MinimizedResult = import("./index.js").MinimizedResult;
 export type CustomOptions = import("./index.js").CustomOptions;
 export type Input = import("./index.js").Input;
-export type EXPECTED_ANY = any;
+export type EXPECTED_ANY = import("./index.js").EXPECTED_ANY;
 /**
  * @param {Input} input The input to minify
  * @param {CustomOptions=} minimizerOptions The minimizer options