Twitter Image opener user.js

gistfile1.txt

// ==UserScript==
// @name         Twitter Image opener
// @version      0.1
// @description  Open twitter image from thumbnail
// @author       a142
// @match        https://twitter.com/*
// @grant        none
// ==/UserScript==

(function(){
  var ovserver = new MutationObserver(function(mutationRecords){
    for(var i = 0; i < mutationRecords.length; i++) {
      var record = mutationRecords[i];
      if (record.addedNodes.length > 0) {
        var img = record.addedNodes[0];
        if (img.className == "media-image") {
          var src = img.currentSrc.replace(":large", ":orig");
          var link = document.createElement('a');
          link.setAttribute("href", src);
          link.setAttribute("target", "_blank");
          link.appendChild(img);
          record.target.appendChild(link);
        }
      }
    }
  });
  ovserver.observe(document, {
    childList: true,
    subtree: true,
    attributes: false,
    characterData: false,
  });
  var next = document.getElementsByClassName("GalleryNav--next")[0];
  if (next) next.style.width = "33%";
})();