async function getPullRequestForCommit()

in common/config/beachball/github-functions/pull-request.ts [21:53]

• 23 lines of code
• 9 McCabe index (conditional complexity)

async function getPullRequestForCommit(params: IGetPullRequestFromCommitParams): Promise<IPullRequest | undefined> {
  const { github, repoDetails, commit, authorEmail, verbose } = params;

  verbose && console.log(`Looking for the PR containing ${commit}...`);

  try {
    // Attempt to directly find the PR corresponding to the commit from the change file
    const result = await github.repos.listPullRequestsAssociatedWithCommit({
      commit_sha: commit,
      ...repoDetails
    });

    // Filter out unmerged PRs, in case the commit has been in multiple PRs but only one got merged
    // (check merged_at because that's only set if the PR has been merged, whereas merge_commit_sha
    // is set even for un-merged PRs, to the most recent intermediate merge)
    const prs = result.data.filter((result) => !!result.merged_at);
    if (prs.length > 1) {
      // In case the commit was in PRs to multiple branches or something?
      console.warn(`Multiple PRs found for ${commit}:`);
      console.warn(prs.map((pr) => `  ${pr.url}`).join('\n'));
    }

    if (prs[0]) {
      verbose && console.log(`Found matching PR #${prs[0].number}.\n`);
      return processPullRequestApiResponse(prs[0], authorEmail);
    }
  } catch (ex) {
    console.warn(`Error finding PR for ${commit}`, ex);
    return;
  }

  console.warn(`Could not find a PR matching ${commit}.`);
}