first-pr-labeler.yml

name: First PR Labeler

on:
  pull_request:
    types: [opened]

jobs:
  first-pr:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write

    steps:
      - name: Check if first contribution
        id: check
        uses: actions/github-script@v7
        with:
          script: |
            const creator = context.payload.pull_request.user.login;
            const pullRequests = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'all',
              per_page: 100
            });
            
            const creatorPRs = pullRequests.data.filter(pr => pr.user.login === creator);
            
            if (creatorPRs.length === 1) {
              await github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                labels: ['good first PR']
              });
            }