ci: add auto-tag workflow

Author: dmchaledev

.github/workflows/auto-tag.yml

@@ -0,0 +1,56 @@
+name: CI + Auto Tag
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  ci-and-tag:
+    name: Test, Build & Tag
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm install --include=dev
+
+      - name: Type check
+        run: npx tsc --noEmit
+
+      - name: Test
+        run: npm test
+
+      - name: Build
+        run: npm run build
+
+      - name: Bump patch version and tag
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          CURRENT=$(node -p "require('./package.json').version")
+          IFS='.' read -r MAJOR MINOR PATCH <<< "$CURRENT"
+          NEW_VERSION="$MAJOR.$MINOR.$((PATCH + 1))"
+
+          node -e "
+          const fs = require('fs');
+          const pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'));
+          pkg.version = '$NEW_VERSION';
+          fs.writeFileSync('package.json', JSON.stringify(pkg, null, 2) + '\n');
+          "
+
+          git add package.json
+          git commit -m "chore: bump version to $NEW_VERSION [skip ci]"
+          git tag "v$NEW_VERSION"
+          git push origin main --follow-tags