set_reviewers.yml

name: Set reviewers

on:
  pull_request_target:
    types:
      - opened

jobs:
  set-reviewers:
    name: Set reviewers
    runs-on: ubuntu-latest
    timeout-minutes: 1
    steps:
      - name: Set reviewers
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { owner, repo } = context.repo;
            if(owner == 'dev-yakuza') {
              return;
            }

            const prNumber = context.payload.pull_request.number;
            const { data: assignedReviewers } = await github.rest.pulls.listRequestedReviewers({
              owner,
              repo,
              pull_number: prNumber,
            });

            if (assignedReviewers.length == 0) {
              const reviewers = [owner];

              await github.rest.pulls.requestReviewers({
                owner,
                repo,
                pull_number: prNumber,
                reviewers: reviewers
              });
            }