devops: add GitHub Actions

Author: mxschmitt

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+
+      - run: npm ci
+      - run: npm run build
+      - run: npx playwright install chromium --with-deps
+      - run: npx playwright test

.gitignore

@@ -1,2 +1,3 @@
 lib/
 node_modules/
+test-results/

package-lock.json

@@ -37,11 +37,12 @@
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",
     "@eslint/js": "^9.19.0",
+    "@playwright/test": "^1.51.1",
     "@stylistic/eslint-plugin": "^3.0.1",
+    "@types/node": "^18.19.81",
     "@typescript-eslint/eslint-plugin": "^8.26.1",
     "@typescript-eslint/parser": "^8.26.1",
     "@typescript-eslint/utils": "^8.26.1",
-    "@types/node": "^22.13.10",
     "eslint": "^9.19.0",
     "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-notice": "^1.0.0",

package.json

@@ -5,7 +5,7 @@
     "esModuleInterop": true,
     "moduleResolution": "node",
     "strict": true,
-    "module": "ESNext",
+    "module": "CommonJS",
     "outDir": "./lib"
   },
   "include": [