chore: configure code coverage

Author: openscript

.github/workflows/ci.yml

@@ -1,6 +1,9 @@
 name: Continuous integration
 
-on: push
+on:
+  pull_request:
+    branches:
+      - main
 
 jobs:
   build:
@@ -31,7 +34,11 @@ jobs:
         run: npm run check:types
 
       - name: Run tests
-        run: npm run test
+        run: npm run test:coverage
+
+      - name: Submit coverage
+        uses: codecov/codecov-action@v3
+        if: matrix.os == 'ubuntu-latest' && matrix.node == '18.x'
 
       - name: Build
         run: npm run build

package-lock.json

@@ -46,7 +46,7 @@
     "start": "storybook dev -p 6007 --ci",
     "storybook": "storybook dev -p 6007 --ci",
     "test": "vitest",
-    "coverage": "vitest --coverage",
+    "test:coverage": "vitest --coverage",
     "upgrade-interactive": "npm-check -u"
   },
   "peerDependencies": {
@@ -71,6 +71,7 @@
     "@typescript-eslint/eslint-plugin": "^5.52.0",
     "@typescript-eslint/parser": "^5.52.0",
     "@vitejs/plugin-react": "^3.0.0",
+    "@vitest/coverage-istanbul": "^0.28.5",
     "babel-loader": "^9.1.0",
     "date-fns": "^2.29.3",
     "eslint": "^8.34.0",

package.json

@@ -35,6 +35,9 @@ export default defineConfig({
   test: {
     environment: 'jsdom',
     setupFiles: ['testSetup.ts'],
+    coverage: {
+      provider: 'istanbul',
+    },
   },
   plugins: [
     react({