Format JavaScript Files workflow (horsicq/Detect-It-Easy)

name: Format JavaScript Files
 
on:
  push:
    paths:
      - 'db/**'
      - 'db_custom/**'
      - 'db_extra/**'
    branches: 
      - master
      
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  format:
    timeout-minutes: 30
    runs-on: latchkey-small
    
    permissions:
      contents:   write
    
    steps:  
      - name: Checkout repository
        uses:   actions/checkout@v6
        with: 
          token: ${{ secrets. RELEASE_TOKEN }}
      
      - name:  Configure git to preserve line endings
        run: |
          git config --local core.autocrlf false
          git config --local core.eol lf
      
      - name: Format JavaScript files in db directories
        run: |
          find db db_custom db_extra -type f \
            !  -path '*/.vscode/*' \
            ! -path '*/_icons/*' \
            ! -name '*.txt' \
            !  -name '*.md' \
            !  -name '*.png' \
            !  -name '*.ico' \
            !  -name '*.svg' \
            -print0 2>/dev/null | while IFS= read -r -d '' file; do
              # Skip files with beautify ignore comment (with or without spaces)
              if grep -qE 'beautify ignore:\s*start' "$file" 2>/dev/null; then
                echo "Skipping (beautify ignore): $file"
                continue
              fi
              
              # Check if file contains JavaScript-like syntax
              if head -c 1000 "$file" 2>/dev/null | grep -qE '(function|var |if\s*\(|for\s*\(|return |includeScript)'; then
                echo "Formatting: $file"
                
                # Save original file for comparison
                cp "$file" "$file.orig"
                
                # Remove trailing whitespace only (preserve everything else)
                perl -pi -e 's/[ \t]+$//' "$file"
                
                # Convert tabs to 4 spaces
                perl -pi -e 's/\t/    /g' "$file"
                
                # If file is unchanged, restore original to avoid any byte differences
                if cmp -s "$file" "$file.orig"; then
                  mv "$file.orig" "$file"
                else
                  rm "$file.orig"
                fi
              fi
            done
      
      - name:  Check for changes
        id: check_changes
        run:  |
          if git diff --quiet; then
            echo "has_changes=false" >> $GITHUB_OUTPUT
          else
            echo "has_changes=true" >> $GITHUB_OUTPUT
          fi
      
      - name:  Commit and push changes
        if: steps.check_changes.outputs.has_changes == 'true'
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add -A
          git commit -m "style: auto-format JavaScript files in db directories"
          git push