github labels on for gmail (https://script.google.com/u/1/home/my)

github-labels.js

var PARENT_LABEL = 'GH';
var GITHUB_NOTIFICATION_EMAIL = '[email protected]';

var ISSUE_STRING = "\"description\": \"View this Issue on GitHub\"";
var PR_STRING = "\"description\": \"View this Pull Request on GitHub\"";


function addGitHubLabels() {  
  // Let's do some set up here
  createLabelIfNeeded(PARENT_LABEL);
  
  // Get the last batch of threads
  // Ideally we change this to a batching process

  //var threads = GmailApp.getInboxThreads();
  var threads = getThreadsSearch();
  
  for (var i = 0; i < Math.min(threads.length, 100); i++) {
    var currentThread = threads[i];
    
    // If for some strange reason the thread does not hold any messages we can skip it
    if (currentThread.getMessageCount() <= 0) {
      continue;
    }
    
    var messages = currentThread.getMessages()

    // Are the messages from github?
    var topMessage = messages[0];
    if (!isMessageFromGithub(topMessage)) {
      continue;
    }
    
    var threadSubject = currentThread.getFirstMessageSubject();
    Logger.log(currentThread.getFirstMessageSubject());
    
    
    var orgRepo = extractRepoLabel(threadSubject);
    
    if (!orgRepo) {
      throw 'Could not extract repo name for threadId: ' + currentThread.getId();
    }
    
    var [org, repo] = orgRepo.split('/');
    
    createLabelIfNeeded([PARENT_LABEL, org].join('/'));
    var repoLabel = createLabelIfNeeded([PARENT_LABEL, org, repo].join('/'));
    
    currentThread.addLabel(repoLabel);
    
    
    // var messageLines = topMessage.getPlainBody().split('\n');
    // Logger.log(messageLines);

  }
  
  // Get threads
  // Filter firstMessage is from github
  // Add label if it does not exist
  


}

function getThreadsSearch () {
  return GmailApp.search('newer_than:1d');
}


function extractRepoLabel(str) {
  var REPO_EXTRACT_REGEX = /\[([.\w\/\-]+)\]/;
  if (!REPO_EXTRACT_REGEX.test(str)) {
    return null;
  }
  
  var [, repo] = str.match(REPO_EXTRACT_REGEX);
  return repo;
  
}

function createLabelIfNeeded(labelName) {
  var label = getLabel(labelName);
  
  if (Boolean(label)) {
    return label;
  }
  Logger.log('Creating label %s', labelName)
  return createLabel(labelName);
}

function isMessageFromGithub(topMessage) {
  var messageFrom = topMessage.getFrom();
  Logger.log(messageFrom);
  return searchInSubject(GITHUB_NOTIFICATION_EMAIL, messageFrom);
}

// Parent label exsist
function getLabel(labelName) {
  return GmailApp.getUserLabelByName(labelName)
}

function parentLabelExist() {
  return doesLabelExists(PARENT_LABEL)
}

function createLabel(labelName) {
  return GmailApp.createLabel(labelName);
}
// Create parent label


function fromFromThread(thread) {
  return thread.getMessages()[0].getFrom();
}

function isThreadFrom(thread, from) {
  return thread.getMessages()[0].getFrom();
}

function searchInSubject(search, subject) {
  return new RegExp(search).test(subject);
}

⚠️ this is far from completion, I am pasting this here for colleagues to look at it.