Drop Node.js 12 support, support Node.js 16 & 18

.github/workflows/node.js.yml

@@ -16,15 +16,21 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x]
+        node-version: [14.x, 16.x, 18.x]
 
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
-    - run: npm ci
+
+    # npm of 14.x is not compatible with lockfileVersion 3, that's why we use `install` here instead of `ci`
+    - if: matrix.node-version == '14.x'
+      run: npm install
+    - if: matrix.node-version != '14.x'
+      run: npm ci
+
     - run: npm run build --if-present
     - run: npm run lint
     - run: npm test

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '14.18.0'
+          node-version: '18.15.0'
           registry-url: 'https://registry.npmjs.org'
           scope: '@funboxteam'
       - run: npm ci

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 4.0.0 (05.06.2023)
+
+Dropped Node.js 12 support. Ensured 16 & 18 support.
+
+Check out [migration guide](./MIGRATION.md).
+
+
 ## 3.1.1 (10.06.2021)
 
 Fixed several security vulnerabilities:

MIGRATION.md

@@ -0,0 +1,7 @@
+# Migration
+
+## 3.1.1 → 4.0.0
+
+We've dropped Node.js 12 support.
+
+But probably you still may continue to use this lib there if you need to. But be careful.

index.js

@@ -1,4 +1,4 @@
-const net = require('net');
+const net = require('node:net');
 
 const isPortFree = (port, host = '0.0.0.0') => new Promise((resolve) => {
   const server = net.createServer();