Add github workflows

.github/workflows/test.yml

@@ -0,0 +1,56 @@
+name: Tests
+# only one can run at a time
+concurrency:
+  # If PR, cancel prev commits. head_ref = source branch name on pull_request, null if push
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build
+    runs-on: buildjet-4vcpu-ubuntu-2204
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [22.4]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{matrix.node}}
+          check-latest: true
+          cache: npm
+      - name: Install & build
+        shell: bash
+        run: npm install && npm run build
+      - name: Check Build
+        shell: bash
+        run: npm run check:build
+
+  unit-tests:
+    name: Unit Tests
+    needs: ["build"]
+    runs-on: buildjet-4vcpu-ubuntu-2204
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [22.4]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{matrix.node}}
+          check-latest: true
+          cache: npm
+      - name: Install & build
+        shell: bash
+        run: npm install && npm run build
+      - name: Unit tests
+        run: npm run test:unit

package.json

@@ -18,7 +18,8 @@
     "build": "npm run build:native && npm run build:ts",
     "build:native": "./scripts/patch_xdelta3.sh && node-zigar build",
     "build:ts": "tsc -p tsconfig.build.json",
-    "test:unit": "npx vitest run --dir test/unit"
+    "test:unit": "npx vitest run --dir test/unit",
+    "check:build": "node -e \"(async function() { await import('./lib/index.js') })()\""
   },
   "main": "lib/index.js",
   "types": "lib/index.d.ts",