format_code.yml

---
on:
  pull_request:
    branches: [master]
  workflow_dispatch:
name: Check code style

jobs:
  check-code-style:
    name: Check codestyle
    runs-on: ubuntu-latest
    steps:
      # 1. Format the code
      # 2. If code was formatted, fail and open up a PR to format the code
      # 3. If code was not formatted, proceed...
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          ref: ${{ github.head_ref }}
      - name: Set up NodeJS
        uses: actions/setup-node@v6
        with:
          node-version: "18.x"
      - name: Install Prettier
        run: npm install -g prettier@3.0.3
      - name: Apply Code formatting
        run: prettier --write **/*.js
      - name: Check if code formatters applied changes
        uses: tj-actions/verify-changed-files@v20
        id: verify-changed-files
      - name: Create Pull Request if code formatters fixed something
        if: steps.verify-changed-files.outputs.files_changed == 'true'
        uses: peter-evans/create-pull-request@v8
        with:
          commit-message: Code formatting tool on ${{ github.head_ref }}
          title: Code formatting for ${{ github.head_ref }}
          body: Auto-generated PR with fixes by code formatting tools
          labels: code formatters, automated pr
          branch: formatter-patches/${{ github.head_ref }}
      - name: Fail flow if code formatters found issues
        if: steps.verify-changed-files.outputs.files_changed == 'true'
        run: exit 1