Set up CI using GitHub Actions

Author: Xanewok

.github/workflows/nodejs.yml

@@ -0,0 +1,38 @@
+name: VSCode + Node.js CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        # Lock to the version shipped with VSCode 1.36+
+        node-version: ['10.10']
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Install latest Rust stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+      - run: npm ci
+      - run: npm run prettier -- --list-different
+      - run: npm run compile
+      - run: npm run lint
+      - run: npm audit
+      - name: Run headless tests
+        uses: GabrielBB/[email protected]
+        with:
+          run: npm test