check-repro.yml

name: Check for repro
on:
  issues:
    types: [opened, edited]
  issue_comment:
    types: [created, edited]

jobs:
  check-repro:
    if: ${{ github.event.label.name == 'bug' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const user = context.payload.sender.login;
            const body = context.payload.comment
              ? context.payload.comment.body
              : context.payload.issue.body;
            const regex = new RegExp(
              `https?:\\/\\/((github\\.com\\/${user}\\/[^/]+\\/?[\\s\\n]+)|(snack\\.expo\\.dev\\/.+))`,
              'gm'
            );
            if (regex.test(body)) {
              await github.issues.addLabels({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: ['repro provided'],
              });
              try {
                await github.issues.removeLabel({
                  issue_number: context.issue.number,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  name: 'needs repro',
                });
              } catch (error) {
                if (!/Label does not exist/.test(error.message)) {
                  throw error;
                }
              }
            } else {
              if (context.eventName !== 'issues') {
                return;
              }
              const body = "Hey! Thanks for opening the issue. The issue doesn't seem to contain a link to a repro (a [snack.expo.dev](https://snack.expo.dev) link or link to a GitHub repo under your username).\n\nCan you provide a [minimal repro](https://stackoverflow.com/help/minimal-reproducible-example) which demonstrates the issue? A repro will help us debug the issue faster. Please try to keep the repro as small as possible and make sure that we can run it without additional setup.";
              const comments = await github.issues.listComments({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
              });
              if (comments.data.some(comment => comment.body === body)) {
                return;
              }
              await github.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body,
              });
              await github.issues.addLabels({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: ['needs repro'],
              });
            }