test

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: Test
+on: [push, pull_request, workflow_dispatch]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      # Your original steps
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+      - name: Install
+        run: npm install
+      - name: Test and Coverage
+        run: npm run test:cov  # or npm run coverage
+
+      # Add this
+      - name: Update Coverage Badge
+        # GitHub actions: default branch variable
+        # https://stackoverflow.com/questions/64781462/github-actions-default-branch-variable
+        if: github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
+        uses: we-cli/coverage-badge-action@main