Replace npm with pnpm

This commits migrates the project from npm to pnpm to take advantage of the improved performance and enhanced dependency management. pnpm offers faster installation times through its use of hard links and a global content-addressable store, which eliminates duplicate downloads and provides substantial disk space savings by sharing dependencies across projects. The migration also improves dependency reliability by preventing phantom dependencies through stricter dependency resolution, while maintaining full compatibility with existing npm workflows and the `package.json` format.

Author: Turbo87

.github/workflows/ci.yml

@@ -9,6 +9,10 @@ on:
 
 permissions: {}
 
+env:
+  # renovate: datasource=npm depName=pnpm
+  PNPM_VERSION: 10.12.4
+
 jobs:
   test:
     name: Test
@@ -19,12 +23,17 @@ jobs:
         with:
           persist-credentials: false
 
+      - name: Install pnpm
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+        with:
+          version: ${{ env.PNPM_VERSION }}
+
       - name: Install node dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
 
       - name: Test
         run: |
-          npm run test
+          pnpm test
 
   lint:
     name: Lint
@@ -35,12 +44,17 @@ jobs:
         with:
           persist-credentials: false
 
+      - name: Install pnpm
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+        with:
+          version: ${{ env.PNPM_VERSION }}
+
       - name: Install node dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
 
       - name: Lint
         run: |
-          npm run lint
+          pnpm lint
 
   format:
     name: Format
@@ -51,11 +65,16 @@ jobs:
         with:
           persist-credentials: false
 
+      - name: Install pnpm
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+        with:
+          version: ${{ env.PNPM_VERSION }}
+
       - name: Install Prettier
-        run: npm ci
+        run: pnpm install --frozen-lockfile
 
       - name: Format
-        run: npx prettier --check .
+        run: pnpm prettier --check .
 
   zizmor:
     name: Zizmor
@@ -99,16 +118,21 @@ jobs:
         with:
           persist-credentials: false
 
+      - name: Install pnpm
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+        with:
+          version: ${{ env.PNPM_VERSION }}
+
       - name: Install node dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
 
       - name: Check is packaged
         run: |
           # Compile to single js files.
-          npm run package
+          pnpm package
 
           # Assert that the git diff is empty.
-          git diff --exit-code || (echo "Git diff is not empty. Please run 'npm run package' and commit the changes." && exit 1)
+          git diff --exit-code || (echo "Git diff is not empty. Please run 'pnpm package' and commit the changes." && exit 1)
 
   # This job tests the action directly by running it against a mock server.
   action-test:

.prettierignore

@@ -1,2 +1,3 @@
 # Ignore artifacts:
 dist
+pnpm-lock.yaml

CONTRIBUTING.md

@@ -18,7 +18,7 @@ You can't run this action locally as it requires a GitHub environment.
 To install node dependencies, run:
 
 ```sh
-npm install
+pnpm install
 ```
 
 ### Packaging
@@ -29,7 +29,7 @@ compile the TypeScript code and its dependencies into a single file
 in the `dist/` directory:
 
 ```sh
-npm run package
+pnpm package
 ```
 
 This approach is inspired by the [typescript-action](https://github.com/actions/typescript-action)
@@ -62,7 +62,7 @@ We use [Prettier](https://prettier.io/) to format TypeScript, Markdown, and YAML
 To format all files, run:
 
 ```sh
-npx prettier --write .
+pnpm prettier --write .
 ```
 
 ### Linting
@@ -72,7 +72,7 @@ We use [ESLint](https://eslint.org/) for linting TypeScript files.
 To check for linting errors, run:
 
 ```sh
-npx eslint
+pnpm eslint
 ```
 
 ### Testing
@@ -86,7 +86,7 @@ There are two types of tests running in [ci.yml](.github/workflows/ci.yml):
   To run these tests locally, run:
 
   ```sh
-  npm run test
+  pnpm test
   ```
 
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