update-node-version.yml

name: Update Node.js version

on:
  schedule:
    - cron: '0 9 * * 1'  # Every Monday at 09:00 UTC
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  update-node:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Get latest Node.js LTS version
        id: node-lts
        run: |
          LATEST_LTS=$(curl -s https://nodejs.org/dist/index.json | jq '[.[] | select(.lts != false)] | .[0].version' -r | grep -oP '\d+' | head -1)
          echo "major=$LATEST_LTS" >> $GITHUB_OUTPUT

      - name: Get current Node.js version from action.yml
        id: current-node
        run: |
          CURRENT=$(grep -oP '(?<=using: .node)\d+' action.yml)
          echo "major=$CURRENT" >> $GITHUB_OUTPUT

      - name: Update files and open PR
        if: steps.node-lts.outputs.major != steps.current-node.outputs.major
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          NEW_VERSION: ${{ steps.node-lts.outputs.major }}
          OLD_VERSION: ${{ steps.current-node.outputs.major }}
        run: |
          BRANCH="chore/update-node-${NEW_VERSION}"

          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git checkout -b "$BRANCH"

          # Update action.yml
          sed -i "s/using: 'node[0-9]*/using: 'node${NEW_VERSION}/" action.yml

          # Update package.json
          sed -i "s/\"node\": \">=.*\"/\"node\": \">=${NEW_VERSION}\"/" package.json
          sed -i "s/\"@types\/node\": \"\\^[0-9]*/\"@types\/node\": \"\\^${NEW_VERSION}/" package.json

          git add action.yml package.json
          git commit -m "chore: update action runtime to node${NEW_VERSION}"
          git push origin "$BRANCH"

          gh pr create \
            --base main \
            --head "$BRANCH" \
            --title "chore: update action runtime to node${NEW_VERSION}" \
            --body "Automated update of the GitHub Actions Node.js runtime from \`node${OLD_VERSION}\` to \`node${NEW_VERSION}\`.

          **Changes:**
          - \`action.yml\`: updated \`using\` to \`node${NEW_VERSION}\`
          - \`package.json\`: updated \`engines.node\` and \`@types/node\`"