test: setup vitest coverage (#50)

Author: shuuji3

.github/workflows/ci.yml

@@ -15,7 +15,9 @@ on:
 jobs:
   ci:
     runs-on: ubuntu-latest
-
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
       - uses: actions/checkout@v4
       - run: corepack enable
@@ -28,9 +30,15 @@ jobs:
         run: pnpm install --frozen-lockfile
 
       - name: 🧪 Test project
-        run: pnpm -r test
+        run: pnpm -r test:coverage
         timeout-minutes: 10
 
+      - name: 'Report test coverage'
+        uses:  davelosert/vitest-coverage-report-action@v2
+        with:
+          working-directory: './packages/client/'
+        if: always()
+
       - name: 📝 Lint
         run: pnpm run lint
 

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
 dist/
+coverage/

packages/client/package.json

@@ -28,17 +28,19 @@
     "dev": "pkgroll --watch",
     "build": "pkgroll --minify",
     "test": "vitest",
+    "test:coverage": "vitest --coverage",
     "test:typescript": "tsc --noEmit"
   },
   "dependencies": {
     "@atcute/client": "^2.0.6"
   },
   "devDependencies": {
     "@tsky/lexicons": "workspace:*",
+    "@vitest/coverage-istanbul": "2.1.6",
     "globals": "^15.12.0",
     "pkgroll": "^2.5.1",
     "tsx": "^4.19.2",
     "typescript": "^5.7.2",
     "vitest": "^2.1.6"
   }
-}
+}

packages/client/vitest.config.mjs

@@ -0,0 +1,16 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    coverage: {
+      provider: 'istanbul',
+      reporter: ['text', 'json-summary', 'json', 'html'],
+      reportOnFailure: true,
+    },
+  },
+  resolve: {
+    alias: {
+      '~': '/src',
+    },
+  },
+});