requesting-reviewers.ts

const requestReviewers = (repo: string, pull_number: number) => {
  const BLACKLIST = [
    'mdlavin',
    'jagoda',
    // others?
  ];

  const { data: contributors } = await github.rest.repos.listContributors({
    owner: 'lifeomic',
    repo,
    per_page: 20
  });

  let reviewer = '';

  for (const user of contributors) {
    if (BLACKLIST.includes(user.login) {
      console.log(`Detected blacklisted contributor: ${user.login}`)
      continue;
    }
    try {
      await github.orgs.checkMembershipForUser({
        org: 'lifeomic',
        username: user.login
      });
      reviewer = user.login;
      break;
    } catch (e) {
      // user is not in org
      continue;
    }
  }

  if (!reviewer) {
    console.log('ERROR: Could not find reviewer');
    return;
  }

  console.log(`Found reviewer: ${reviewer}`);

  await github.pulls.requestReviewers({
    owner: 'lifeomic',
    repo,
    pull_number,
    reviewers: [reviewer]
  });

  await github.issues.createComment({
    owner: 'lifeomic',
    repo,
    issue_number: pull_number,
    body: [
      `@${reviewer} I requested you for review because you are a top contributor.`,
      '',
      'Feel free to re-assign this PR if someone else may be better suited for review and/or manual intervention.',
      '',
      'Please direct any questions/concerns to [this Slack thread](JOSH_LINK_TO_SLACK_THREAD_HERE).'
    ].join('\n')
  });
}