add coverage reporting

.github/workflows/test.yml

@@ -1,9 +1,5 @@
 name: Test
 
-permissions:
-  checks: write
-  pull-requests: write
-
 on:
   push:
     branches:
@@ -17,6 +13,11 @@ jobs:
     name: Run Test
     runs-on: ubuntu-latest
 
+    permissions:
+      contents: read
+      checks: write
+      pull-requests: write
+
     steps:
       - name: Check out Git repository
         uses: actions/checkout@v4
@@ -37,10 +38,15 @@ jobs:
         run: npm run build:generate-types
 
       - name: Run test
-        run: npm run test
+        run: npx vitest --coverage.enabled true
 
       - name: Publish test results
+        if: always()
         uses: EnricoMi/publish-unit-test-result-action@v2
         with:
           files: |
             test-results/**/*.xml
+
+      - name: Report Coverage
+        if: always()
+        uses: davelosert/vitest-coverage-report-action@v2

vitest.config.mts

@@ -10,5 +10,9 @@ export default defineConfig({
     outputFile: {
       junit: "./test-results/junit-report.xml",
     },
+    coverage: {
+      reporter: ["text", "json-summary", "json"],
+      reportOnFailure: true,
+    },
   },
 });