add CI

2 files changed, 56 insertions, 1 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..1b7ad46
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,51 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [22.x]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build project
+        run: npm run build
+
+      - name: Run unit tests
+        run: npm test
+
+      - name: Run type tests
+        run: npm run test:types
+
+      - name: Check code formatting
+        run: npm run format:check
+
+      - name: Check build artifacts
+        run: |
+          if [ ! -f "dist/index.js" ]; then
+            echo "❌ Main build artifact missing: dist/index.js"
+            exit 1
+          fi
+          if [ ! -f "dist/index.d.ts" ]; then
+            echo "❌ Type definitions missing: dist/index.d.ts"
+            exit 1
+          fi
+          echo "✅ All build artifacts present"
diff --git a/package.json b/package.json
index e4f0298..ac8c408 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,11 @@
     "test": "jest",
     "test:watch": "jest --watch",
     "test:types": "tsd --files tests/**/*.test-d.ts",
-    "format": "prettier --write --cache ."
+    "test:all": "npm run test && npm run test:types",
+    "format": "prettier --write --cache .",
+    "format:check": "prettier --check .",
+    "clean": "rm -rf dist",
+    "prepublishOnly": "npm run clean && npm run build && npm run test:all"
   },
   "devDependencies": {
     "@types/jest": "^30.0.0",