triager.yml

name: Triage Labeler

on:
  issues:
    types: [opened]
  pull_request:
    types: [opened]

jobs:
  label-triage:
    runs-on: ubuntu-latest
    steps:
      - name: Add triage label to new issues and PRs from non-collaborators
        uses: actions/github-script@v5
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const eventName = context.eventName;
            let issueOrPR = eventName === 'issues' ? context.issue : context.payload.pull_request;
            let username;

            if (issueOrPR && issueOrPR.user && issueOrPR.user.login) {
                username = issueOrPR.user.login;
            } else {
                console.log("Could not retrieve username from the event payload.");
                return;
            }

            const repoOwner = context.repo.owner;
            const repoName = context.repo.repo;

            async function isCollaborator(username) {
              try {
                await github.rest.repos.checkCollaborator({
                  owner: repoOwner,
                  repo: repoName,
                  username: username,
                });
                return true;
              } catch (error) {
                return false;
              }
            }

            if (!await isCollaborator(username)) {
              const labels = ['triage'];
              if (eventName === 'issues') {
                await github.rest.issues.addLabels({
                  owner: repoOwner,
                  repo: repoName,
                  issue_number: issueOrPR.number,
                  labels: labels
                });
              } else {
                await github.rest.issues.addLabels({
                  owner: repoOwner,
                  repo: repoName,
                  issue_number: issueOrPR.number,
                  labels: labels
                });
              }
            }