Test coverage reporting CI

.github/workflows/ci.yml

@@ -27,8 +27,8 @@ jobs:
       - name: Lint
         run: npm run lint
 
-      - name: Run tests
-        run: npm test
+      - name: Run tests with coverage
+        run: npm run test:coverage
 
       - name: Check formatting
         run: npx prettier --check 'src/**/*.ts' '*.json' '.prettierrc'

.gitignore

@@ -2,3 +2,4 @@
 .vscode
 dist
 node_modules
+coverage

package.json

@@ -34,6 +34,7 @@
     "lint:fix": "eslint src/ --fix",
     "start": "node dist/index.js",
     "test": "vitest run",
+    "test:coverage": "vitest run --coverage",
     "test:watch": "vitest",
     "prepublishOnly": "npm run build"
   },
@@ -45,6 +46,7 @@
   "devDependencies": {
     "@eslint/js": "^9.39.2",
     "@types/node": "^25.0.10",
+    "@vitest/coverage-v8": "^4.0.18",
     "eslint": "^9.39.2",
     "eslint-config-prettier": "^10.1.8",
     "prettier": "^3.5.3",

vitest.config.ts

@@ -5,5 +5,22 @@ export default defineConfig({
     globals: true,
     environment: 'node',
     include: ['src/**/*.test.ts'],
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html'],
+      exclude: [
+        'node_modules/**',
+        'dist/**',
+        'src/**/*.test.ts',
+        'src/test-utils/**',
+        'src/version.ts',
+      ],
+      thresholds: {
+        lines: 80,
+        functions: 80,
+        branches: 80,
+        statements: 80,
+      },
+    },
   },
 });