fix: Update CI/CD and dependencies

- Add GitHub Actions workflow for Node.js CI
- Move express to peerDependencies
- Add prepare script for build
- Add engine requirements
- Fix dependency organization

Author: vveerrgg

.github/workflows/node.js.yml

@@ -0,0 +1,37 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  security:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20.x'
+        cache: 'npm'
+    - run: npm ci
+    - run: npm audit
+
+  test:
+    needs: security
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [16.x, 18.x, 20.x]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+    - run: npm ci
+    - run: npm run build --if-present
+    - run: npm test

package.json

@@ -33,7 +33,12 @@
     "test": "vitest run",
     "test:watch": "vitest",
     "test:coverage": "vitest run --coverage",
-    "clean": "rimraf dist"
+    "clean": "rimraf dist",
+    "prepare": "npm run build"
+  },
+  "peerDependencies": {
+    "express": "^4.18.2",
+    "@types/express": "^4.17.21"
   },
   "dependencies": {
     "@noble/curves": "^1.8.1",
@@ -43,7 +48,6 @@
     "@types/jsonwebtoken": "^9.0.8",
     "cors": "^2.8.5",
     "dotenv": "^16.3.1",
-    "express": "^4.18.2",
     "express-rate-limit": "^7.5.0",
     "helmet": "^8.0.0",
     "jsonwebtoken": "^9.0.2",
@@ -52,12 +56,12 @@
   },
   "devDependencies": {
     "@types/cors": "^2.8.17",
-    "@types/express": "^4.17.21",
     "@types/node": "^20.11.0",
     "@typescript-eslint/eslint-plugin": "^8.23.0",
     "@typescript-eslint/parser": "^8.23.0",
     "@vitest/coverage-v8": "^3.0.5",
     "eslint": "^9.19.0",
+    "express": "^4.18.2",
     "rimraf": "^5.0.5",
     "ts-loader": "^9.5.1",
     "tsx": "^4.19.2",
@@ -66,5 +70,8 @@
     "vitest": "^3.0.5",
     "webpack": "^5.89.0",
     "webpack-cli": "^6.0.1"
+  },
+  "engines": {
+    "node": ">=16.0.0"
   }
 }