ci: add GitHub Actions workflow for automated testing

Author: onozaty

.devcontainer/devcontainer.json

@@ -13,5 +13,8 @@
         "vitest.explorer"
       ]
     }
+  },
+  "features": {
+    "ghcr.io/anthropics/devcontainer-features/claude-code:1.0.5": {}
   }
 }

.github/workflows/test.yml

@@ -0,0 +1,49 @@
+name: Test
+
+on:
+  push:
+    branches: [main, 14-add-ci]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x, 22.x]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'pnpm'
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: latest
+          run_install: false
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run lint
+        run: pnpm run lint
+
+      - name: Run tests with coverage
+        run: pnpm run test:cov
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ./coverage/coverage-final.json
+          slug: onozaty/prisma-db-comments-generator
+
+      - name: Build
+        run: pnpm run build

package.json

@@ -14,7 +14,7 @@
     "build": "rm -rf dist/ && node build.js",
     "prepare": "pnpm run build",
     "format": "prettier --write src/**",
-    "lint": "eslint src/**",
+    "lint": "eslint 'src/**/*.ts' --ignore-pattern 'src/__fixtures__/**'",
     "test": "vitest run",
     "test:cov": "vitest run --coverage",
     "db:migrate": "prisma migrate dev && prisma generate && pnpm run db:deploy",