Add GitHub action configuration for CI

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: tree-sitter
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v3
+      with:
+        node-version: 20
+        cache: 'npm'
+    - run: npm run dev-install
+    - run: npm test

package.json

@@ -5,7 +5,8 @@
   "main": "bindings/node",
   "types": "bindings/node",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "dev-install": "npm install --no-save tree-sitter-cli",
+    "test": "tree-sitter generate && tree-sitter test",
     "install": "node-gyp-build",
     "prebuildify": "prebuildify --napi --strip"
   },