expand-local-build-status-badge.user.js

// ==UserScript==
// @name           github-build-badge
// @author         linyows
// @namespace      http://linyows.com/
// @description    "Expand build status badge"
// @include        https://github.com/*
// ==/UserScript==

(function() {
  var match_witch_badge = /<a href="(http:\/\/ci[0-9]{0,3}\..*\.[a-z]{2,5}\/job\/.*)"><img src=".*" alt="Build Status" data-canonical-src=".*" style=".*"><\/a>/g;
  var replace_format = '<a href="%source" target="_blank" class="jenkins-build-status"><img src="%source/badge/icon" /></a>';
  var timer_id = null;

  var emit_button_classes = [];
  emit_button_classes.push('preview-tab'); // github preview

  function expandBadge() {
    if (timer_id !== null) {
      return;
    }

    timer_id = setTimeout(function(){
      var classes = [];
      classes.push('markdown-body');

      for (var i in classes) {
        var element = document.getElementsByClassName(classes[i]);
        Array.prototype.slice.call(element, 0).forEach(function(div){
          div.innerHTML = div.innerHTML.replace(match_witch_badge, function(a, image_url){
            return replace_format.replace(/%source/g, image_url);
          });
        });
      }

      timer_id = null;
    }, 1500);
  }

  // 画像展開を実行するイベントを登録
  for (var i = 0; i < emit_button_classes.length; ++i) {
    var buttons = document.getElementsByClassName(emit_button_classes[i]);

    Array.prototype.slice.call(buttons, 0).forEach(function(button) {
      button.addEventListener('click', expandBadge);
    });
  }

  expandBadge();
})();