Create coverage.yml

add coverage workflow

.github/workflows/coverage.yml

@@ -0,0 +1,57 @@
+# This workflow will do a clean installation of node dependencies, cache/restore them,
+# lint, build the source code, and run tests across different versions of node.
+
+# For more information see:
+# https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
+
+name: Coverage
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: ['main']
+    paths-ignore: ['README.md', 'LICENSE']
+
+concurrency:
+  group: ci-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+env:
+  VITEST_SEGFAULT_RETRY: 3
+
+jobs:
+  coverage-on-node:
+    runs-on: ubuntu-latest
+
+    timeout-minutes: 10
+
+    strategy:
+      matrix:
+        node-version: [18.x]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+
+      - name: Install
+        run: npm install
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Build
+        run: npm run build
+
+      - name: Test
+        run: npm run test-coverage -- --coverage.reporter=json
+
+      - name: Upload coverage reports to Codecov
+        if: ${{ success() }}
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}