Github link to Jira Issue

// ==UserScript==
// @name         Jira Issue Link
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://github.com/compucorp/*/pull/*
// @grant        none
// ==/UserScript==

(() => {
  const jiraBaseUrl = 'https://compucorp.atlassian.net/browse';
  const issueTitleElement = document.querySelector('.gh-header-title .js-issue-title');
  const issueNumber = /(\w+-\d+).+/.exec(issueTitleElement.innerText)[1];

  if (!issueNumber) {
    return;
  }

  const issueLink = `<a href="${jiraBaseUrl}/${issueNumber}" target="_blank">${issueNumber}</a>`;
  const issueTitleWithLink = issueTitleElement.innerText.replace(issueNumber, issueLink);

  issueTitleElement.innerHTML = issueTitleWithLink;
})();