chore: migrate from yarn to npm

.cspell.json

@@ -104,7 +104,8 @@
     "Zenitsu",
     "quickstart",
     "pinia",
-    "watchpack"
+    "watchpack",
+    "Stensberg"
   ],
   "dictionaries": ["npm", "software-terms"],
   "ignorePaths": [

.devcontainer/devcontainer.json

@@ -5,6 +5,6 @@
   "settings": {
     "terminal.integrated.shell.linux": "/bin/bash"
   },
-  "postCreateCommand": "yarn install && yarn build",
+  "postCreateCommand": "npm install && npm run build",
   "extensions": ["dbaeumer.vscode-eslint", "esbenp.prettier-vscode"]
 }

.github/CONTRIBUTING.md

@@ -11,7 +11,7 @@ Table of Contents
 - [Your first Contribution](#your-first-contribution)
 - [Setup](#setup)
 - [Running Tests](#running-tests)
-  - [Using yarn](#using-yarn)
+  - [Using npm](#using-npm)
 - [Editor Config](#editor-config)
 - [Dependencies](#dependencies)
 - [Branching Model](#branching-model)
@@ -57,67 +57,65 @@ In case you are suggesting a new feature, we will match your idea with our curre
 - Fork the **webpack-cli** repo at [https://github.com/webpack/webpack-cli](https://github.com/webpack/webpack-cli).
 - `git clone <your-clone-url> && cd webpack-cli`
 
-- We use [yarn](https://yarnpkg.com/lang/en/) workspaces, please install it:
+- We use [npm](https://docs.npmjs.com/), please install it:
 
-  Read the [Installation Guide](https://yarnpkg.com/en/docs/install) on their official website for detailed instructions on how to install Yarn.
-
-> Using yarn is not a requirement, [npm](https://www.npmjs.com/) is included in node.
+  Read the [Installation Guide](https://docs.npmjs.com/cli/v11/configuring-npm/install) on their official website for detailed instructions on how to install NPM.
 
 - Install the dependencies:
 
   ```bash
-  yarn install
+  npm install
   ```
 
 - Build all the submodules before building for the first time
 
   ```bash
-  yarn build
+  npm run build
   ```
 
 > If you are a Docker and Visual Studio Code user, you can quickstart development using [Remote - Containers](https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.remote-containers) Extension
 
 ## Running Tests
 
-### Using yarn
+### Using npm
 
 - Run all the tests with:
 
   ```bash
-  yarn test
+  npm run test
   ```
 
 - Run CLI tests with:
 
   ```bash
-  yarn test:cli
+  npm run test:cli
   ```
 
 - Run tests of all packages:
 
   ```bash
-  yarn test:packages
+  npm run test:packages
   ```
 
 - Test a single CLI test case:
 
   > Must run from root of the project
 
   ```bash
-  yarn jest path/to/my-test.js
+  npm run jest path/to/my-test.js
   ```
 
 - You can also install jest globally and run tests without npx:
 
   ```bash
-  yarn global add jest
+  npm install --global jest
   jest path/to/my-test.js
   ```
 
 - You can run the linters:
 
   ```bash
-  yarn lint
+  npm run lint
   ```
 
 ## Editor Config
@@ -128,7 +126,7 @@ The [.editorconfig](https://github.com/webpack/webpack-cli/blob/main/.editorconf
 
 This is a multi-package repository and dependencies are managed using [lerna](https://lerna.js.org/)
 
-> If you are adding or updating any dependency, please commit the updated `yarn.lock` file.
+> If you are adding or updating any dependency, please commit the updated `package-lock.json` file.
 
 To update dependencies, import each dependency and make sure the command line build passes. The dependency should support our minimal supported node version for webpack, found in `package.json`.
 
@@ -249,7 +247,7 @@ documentation.
 
 ## Releasing
 
-Run `yarn publish:monorepo` to build all packages and bump versions, this will then get published on npm.
+Run `npm run publish:monorepo` to build all packages and bump versions, this will then get published on npm.
 
 ## Join the development
 

.github/workflows/nodejs.yml

@@ -36,16 +36,16 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: "yarn"
+          cache: "npm"
 
       - name: Install dependencies
-        run: yarn --frozen-lockfile
+        run: npm ci --force --legacy-peer-deps --strict-peer-deps
 
       - name: Build
-        run: yarn build
+        run: npm run build
 
       - name: Lint
-        run: yarn lint
+        run: npm run lint
 
   build:
     name: Tests and Coverage - ${{ matrix.os }} - Node v${{ matrix.node-version }}, Webpack ${{ matrix.webpack-version }}, DevServer ${{ matrix.dev-server-version }} (${{ matrix.shard }})
@@ -73,20 +73,20 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: "yarn"
+          cache: "npm"
 
       - uses: pnpm/action-setup@v4
         with:
           version: 9
 
       - name: Install dependencies
-        run: yarn --frozen-lockfile --ignore-engines --ignore-scripts
+        run: npm ci --ignore-engines --ignore-scripts --force --legacy-peer-deps --strict-peer-deps
 
       - name: Prepare environment for tests
-        run: yarn build:ci
+        run: npm run build:ci
 
       - name: Run tests and generate coverage
-        run: yarn test:coverage --ci --shard=${{ matrix.shard }}
+        run: npm run test:coverage --ci --shard=${{ matrix.shard }}
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
@@ -113,16 +113,16 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: "yarn"
+          cache: "npm"
 
       - name: Install dependencies
-        run: yarn --frozen-lockfile --ignore-engines
+        run: npm ci --ignore-engines --force --legacy-peer-deps --strict-peer-deps
 
       - name: Prepare environment for tests
-        run: yarn build:ci
+        run: npm run build:ci
 
       - name: Run smoketests
-        run: yarn test:smoketests
+        run: npm run test:smoketests
 
   commitlint:
     name: Lint Commit Messages
@@ -138,9 +138,9 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: "lts/*"
-          cache: "yarn"
+          cache: "npm"
 
-      - run: yarn --frozen-lockfile
+      - run: npm ci --force --legacy-peer-deps --strict-peer-deps
 
       - name: Validate PR commits with commitlint
         if: github.event_name == 'pull_request'

.github/workflows/update-docs.yml

@@ -31,27 +31,27 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: "yarn"
+          cache: "npm"
 
       - name: Install dependencies
-        run: yarn --frozen-lockfile
+        run: npm ci
 
       - name: Install latest webpack and webpack-dev-server version
-        run: yarn add -W webpack-dev-server@latest webpack@latest
+        run: npm ci --save webpack-dev-server@latest webpack@latest
 
       - name: Build
-        run: yarn build
+        run: npm run build
 
       - name: Update docs
-        run: yarn update:docs
+        run: npm run update:docs
 
       - name: Fix formatting
-        run: yarn lint:prettier --write
+        run: npm run lint:prettier --write
 
       - name: Commit updated docs
         uses: EndBug/add-and-commit@v9.0.0
         with:
           add: "*.md"
           message: "docs: update options"
-          author_name: Nitin Kumar
-          author_email: snitin315@gmail.com
+          author_name: Even Stensberg
+          author_email: evenstensberg@gmail.com

.gitignore

@@ -18,6 +18,7 @@ node_modules
 test/**/node_modules
 
 # Lock files
+yarn.lock
 test/**/yarn.lock
 test/**/package-json.lock
 !test/api/**/yarn.lock
@@ -40,7 +41,6 @@ lerna-debug.log
 .yo-rc.json
 
 # package-lock file
-package-lock.json
 !test/api/**/package-lock.json
 
 junit.xml
@@ -56,6 +56,7 @@ packages/**/*.map
 # build files
 packages/**/lib
 packages/**/yarn.lock
+packages/**/package-lock.json
 
 # test output files
 test/js/*

lerna.json

@@ -2,7 +2,6 @@
   "lerna": "3.20.2",
   "packages": ["packages/*"],
   "version": "independent",
-  "npmClient": "yarn",
   "command": {
     "version": {
       "message": "chore(release): publish new version",