Add code coverage reporting with Codecov

.github/workflows/ci.yml

@@ -14,3 +14,17 @@ jobs:
       - run: npm install && npm test && npm run lint
         env:
           CI: true
+
+  codecov:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    name: 'Codecov: node-22, ubuntu-latest'
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+      - name: Generate coverage report
+        run: npm run test:coverage
+      - name: Upload coverage to Codecov
+        uses: codecov/[email protected]
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/coverage.yml

@@ -0,0 +1,19 @@
+name: actions
+on: [push, pull_request]
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    name: Code Coverage Report
+    steps:
+      - name: Generate report
+        uses: irongut/[email protected]
+        with:
+          filename: coverage/**/coverage.cobertura.xml
+          badge: true
+          fail_below_min: true
+          format: markdown
+          hide_branch_rate: false
+          hide_complexity: true
+          indicators: true
+          output: both
+          thresholds: '60 80'

.gitignore

@@ -3,3 +3,4 @@ node_modules/
 npm-debug.log
 package-lock.json
 tmp/
+coverage/

package.json

@@ -31,6 +31,7 @@
     "@types/node": "^18.7.14",
     "@typescript-eslint/eslint-plugin": "^7.1.1",
     "@typescript-eslint/parser": "^7.1.1",
+    "@vitest/coverage-istanbul": "^1.6.0",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.1.3",
@@ -57,6 +58,7 @@
     "test": "npm run build && npm run test:types && npm run test:vitest",
     "test:types": "tsc --noEmit && tsc --project ./test/tsconfig.json --noEmit",
     "test:vitest": "vitest run",
+    "test:coverage": "vitest run --coverage",
     "watch": "npm run build -- --watch"
   },
   "keywords": [

vitest.config.ts

@@ -0,0 +1,12 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    coverage: {
+      enabled: true,
+      include: ['src'],
+      provider: 'istanbul',
+      reporter: ['cobertura'],
+    },
+  },
+})