Redirects ZenHub links to GitHub Issues

zh2gh-redirect.js

// ==UserScript==
// @name         ZenHub to GitHub Redirect
// @namespace    boehs.com
// @include      *://app.zenhub.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(() => {
  const regex = /https:\/\/app\.zenhub\.com\/workspaces\/.+\/issues\/gh\/(.+\/.+?)\/(\d+)$/;
  const input = window.location.href;
  const match = input.match(regex);
  if (match) {
    const orgRepo = match[1];
    const issueNumber = match[2];
    console.log("oRepo:" +orgRepo);
    console.log("i#:" + issueNumber)
    const url = `https://github.com/${orgRepo}/issues/${issueNumber}`;
    console.log("Referer: " + document.referrer);

    if (document.referrer != "https://github.com/")
      window.location.replace(url);
  }
})();

See also: Add a sidebar link to GitHub issues to redirect you to ZenHub.