Rewrite to TypeScript, add IPv6 support and CI

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: CI
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: npm
+      - run: npm install
+      - run: npm run lint
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: npm
+      - run: npm install
+      - run: npm test

.github/workflows/release.yml

@@ -0,0 +1,46 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: npm
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Run tests
+        run: npm test
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ github.ref_name }}
+          name: Release ${{ github.ref_name }}
+          draft: false
+          prerelease: false
+          generate_release_notes: true
+
+      - name: Update NPM
+        run: npm install -g npm@latest
+
+      - name: Publish to NPM
+        run: npm publish --provenance --access public

.gitignore

@@ -1,4 +1,4 @@
+dist/
 examples/
 node_modules/
-package-lock.json
 premaster.txt

eslint.config.js

@@ -0,0 +1,15 @@
+import js from '@eslint/js'
+import tseslint from 'typescript-eslint'
+
+export default tseslint.config(
+  js.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    rules: {
+      "no-console": "off",
+    },
+  },
+  {
+    ignores: ["dist/"],
+  },
+)