ci: migrate from yarn to pnpm

.github/workflows/publish.yaml

@@ -15,11 +15,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
       - uses: actions/setup-node@v4
         with:
           node-version: '24'
           registry-url: 'https://registry.npmjs.org'
-      - run: npm ci
-      - run: npm run build --if-present
-      - run: npm test
-      - run: npm publish
+          cache: 'pnpm'
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm run build --if-present
+      - run: pnpm test
+      - run: pnpm publish

.github/workflows/size.yml

@@ -5,15 +5,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
       - name: Use Node.js 20
         uses: actions/setup-node@v4
         with:
           node-version: 20.x
+          cache: 'pnpm'
       - name: Test
         run: |
-          yarn install
-          npm run build
-          npm run size
+          pnpm install
+          pnpm run build
+          pnpm run size
       # - uses: andresz1/size-limit-action@v1.8.0
       #   with:
       #     github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yaml

@@ -22,15 +22,19 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
+          cache: 'pnpm'
       - name: Test
         run: |
-          npm install
-          npm run build
-          npm run test:ci
+          pnpm install
+          pnpm run build
+          pnpm run test:ci
         env:
           CI: true
       - name: Archive code coverage results

jest.config.ts

@@ -13,11 +13,11 @@ const config: Config = {
     },
   },
   preset: 'ts-jest',
-  setupFilesAfterEnv: ['@testing-library/jest-dom/extend-expect'],
+  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
   testEnvironment: 'jest-environment-jsdom',
   testMatch: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[tj]s?(x)'],
   transform: {
-    '^.+.tsx?$': ['ts-jest', {}],
+    '^.+.tsx?$': ['ts-jest', { tsconfig: 'tsconfig.test.json' }],
   },
   watchPlugins: ['jest-watch-typeahead/filename', 'jest-watch-typeahead/testname'],
 }

jest.setup.ts

@@ -0,0 +1 @@
+import '@testing-library/jest-dom'