Initial commit

.github/workflows/continuous-integration.yml

@@ -0,0 +1,37 @@
+name: 'Continuous Integration'
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+
+jobs:
+  test:
+    name: Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Setup Node.js 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: '12.x'
+
+    - name: Install
+      run: npm clean-install
+    
+    - name: Verify
+      if: runner.os == 'Linux'
+      run: |
+        npm run build
+        # Fail if "npm run build" generated new changes in dist
+        git update-index --refresh dist/* && git diff-index --quiet HEAD dist
+
+    - name: Test
+      run: npm test