Set up github actions for PR & CI testing (#265)

.github/workflows/test.yaml

@@ -0,0 +1,45 @@
+# https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
+
+name: nvs
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  test:
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ windows-latest, macos-latest, ubuntu-latest ]
+      fail-fast: false  # Don't cancel other jobs when one job fails
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Install zsh
+      run: sudo apt install zsh
+      if: ${{ runner.os == 'Linux' }}
+
+    - name: Use Node.js 18.x
+      uses: actions/setup-node@v3
+      with:
+        node-version: 18.x
+
+    - name: Install packages
+      run: npm install --no-optional
+
+    - name: Run tests
+      run: npm run test -- --tap
+
+    - name: Check style
+      run: npm run lint
+      if: ${{ always() }}
+
+    - name: Check types
+      run: npm run ts-check
+      if: ${{ always() }}

.gitignore

@@ -19,6 +19,7 @@
 !/setup/
 !/chocolatey/
 !/homebrew/
+!/.github
 
 # Temporary files generated during testing
 /test/temp