function addLastCommentInfo()

in src/list-pulls.js [31:76]
27 lines of code
11 McCabe index (conditional complexity)

function addLastCommentInfo (repo, pullRequests, callback) {
    let remaining = pullRequests.length;
    if (remaining === 0) {
        callback();
    }
    pullRequests.forEach(function (pullRequest) {
        const commentsUrl = pullRequest._links.comments && pullRequest._links.comments.href;
        const reviewCommentsUrl = pullRequest._links.review_comments && pullRequest._links.review_comments.href;

        if (commentsUrl && reviewCommentsUrl) {
            // If comments and review_comments URLs are present, use them (more accurate than scraping)
            getPullRequestComments(commentsUrl, function (comments) {
                getPullRequestComments(reviewCommentsUrl, comments, function (comments) {
                    // If we have any comments, grab the user name from the most recent one. If not, we'll display the
                    // owner of the PR (the initial PR comment is not included in the list of comments we get).
                    comments = comments.sort(function (a, b) {
                        // For simplicity, we want to end up with the newest comment first, so reverse sort on create date.
                        return new Date(b.created_at) - new Date(a.created_at);
                    });
                    if (comments.length > 0) {
                        pullRequest.lastUpdatedBy = comments[0] ? comments[0].user.login : pullRequest.user.login;
                    }
                    if (--remaining === 0) {
                        callback();
                    }
                });
            });
        } else {
            // Otherwise, resort to scraping.
            request.get({ url: 'https://github.com/apache/' + repo + '/pull/' + pullRequest.number, headers: { 'User-Agent': 'Cordova Coho' } }, function (err, res, payload) {
                if (err) {
                    if (!commentFailed) {
                        commentFailed = true;
                        console.warn('Pull request scrape request failed: ' + err);
                    }
                } else {
                    const m = /[\s\S]*timeline-comment-header[\s\S]*?"author".*?>(.*?)</.exec(payload);
                    (pullRequest.lastUpdatedBy = m && m[1]) || (''); // eslint-disable-line no-unused-expressions
                }
                if (--remaining === 0) {
                    callback();
                }
            });
        }
    });
}