main.yml

name: Check Kebab Case for Markdown Files in PR Commits

on:
  pull_request: # Trigger on PR events
    paths:
      - '**/*.md' # Trigger only when .md files are changed

jobs:
  kebab-case-check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Get list of changed Markdown files
        id: changed-files
        run: |
          # Get the list of added or modified .md files in the PR
          git diff --name-only --diff-filter=AM origin/main | grep '\.md$' > changed_files.txt || true
          if [ ! -s changed_files.txt ]; then
            echo "No Markdown files to check."
            exit 0
          fi

      - name: Check filenames for kebab case
        run: |
         # Find all .md files excluding node_modules, README.md, and CONTRIBUTING.md, and check filenames for kebab case
          invalid_files=$(find . -type f -name '*.md' \
            -not -path "./node_modules/*" \
            -not -name "README.md" \
            -not -name "CONTRIBUTING.md" \
            -exec basename {} \; | grep -vE '^[a-z0-9]+(-[a-z0-9]+)*\.md$')
          
          if [ -n "$invalid_files" ]; then
              echo "The following Markdown filenames are not in kebab case:"
              echo "$invalid_files"
            
          else
              echo "All Markdown filenames are in kebab case."
          fi