add integration test

.github/workflows/playwright.yml

@@ -0,0 +1,27 @@
+name: Playwright Tests
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+jobs:
+  test:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v2
+      with:
+        node-version: '14.x'
+    - name: Install dependencies
+      run: npm ci
+    - name: Install Playwright
+      run: npx playwright install --with-deps
+    - name: Run Playwright tests
+      run: npm run test
+    - uses: actions/upload-artifact@v2
+      if: always()
+      with:
+        name: playwright-report
+        path: playwright-report/
+        retention-days: 30

.gitignore

@@ -1,5 +1,7 @@
 dist/
 node_modules/
+test/out/
+playwright-report/
 /index.js
 /yaml.worker.js
 *.log

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["ms-playwright.playwright"]
+}

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "files.eol": "\n",
+  "editor.tabSize": 2
+}