swap to pnpm and update actions

.eslintrc.js

@@ -14,12 +14,17 @@ module.exports = {
     'no-plusplus': 'off',
     'no-restricted-syntax': 'off',
     'prettier/prettier': ['error', { singleQuote: true, printWidth: 99 }],
-    'import/no-extraneous-dependencies': ['error', { devDependencies: ['**/*.test.js'] }],
+    'import/no-extraneous-dependencies': [
+      'error',
+      { devDependencies: ['**/*.test.js', '**/*.test.mjs'] },
+    ],
   },
-  overrides: [{
-    files: ['*.test.js'],
-    rules: {
-      'no-unused-expressions': 'off'
-    }
-  }]
+  overrides: [
+    {
+      files: ['*.test.js'],
+      rules: {
+        'no-unused-expressions': 'off',
+      },
+    },
+  ],
 };

.github/workflows/ci.yml

@@ -18,13 +18,14 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
-          cache: npm
-      - run: npm ci
-      - run: npm run lint
+          cache: pnpm
+      - run: pnpm install
+      - run: pnpm run lint
 
   test:
     name: "Test"
@@ -36,11 +37,12 @@ jobs:
         node-version: ['18.x', '20.x', '22.x']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
+    - uses: pnpm/action-setup@v4
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
-        cache: npm
-    - run: npm ci
-    - run: npm test
+        cache: pnpm
+    - run: pnpm install
+    - run: pnpm test

codeowners.test.js → codeowners.test.mjs

@@ -1,6 +1,6 @@
 import { describe, it, expect } from 'vitest';
 
-const Codeowners = require('./codeowners.js');
+import Codeowners from './codeowners.js';
 
 const repos = new Codeowners();