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Gist to dabblet

Add a dabblet.com link button to any gist with dabblet information

当前为 2016-04-08 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name          Gist to dabblet
  3. // @version       2.0.1
  4. // @description   Add a dabblet.com link button to any gist with dabblet information
  5. // @license       https://creativecommons.org/licenses/by-sa/4.0/
  6. // @namespace     http://github.com/Mottie
  7. // @include       https://gist.github.com/*
  8. // @grant         GM_addStyle
  9. // @run-at        document-idle
  10. // @author        Rob Garrison
  11. // @icon64URL     http://mottie.github.io/gist-to-dabblet/images/g2d.png
  12. // ==/UserScript==
  13. (function() {
  14.   "use strict";
  15.  
  16.   GM_addStyle(".g2d-button { display:inline-block; width:18px; background-repeat:no-repeat; background-position:center top; }");
  17.  
  18.   var button,
  19.  
  20.   icons = {
  21.     grey  : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAALVBMVEUAAABVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVX///9VVVX37ue8AAAADnRSTlMARN1VIjMR7sy7ZneqEdMqVloAAABNSURBVAjXYyASOKk5qYEZcg/lHmJlWLzTeyj36DED97t374CMVwx+L1n0wFLrnjLYwRlP5R4zgKUU0l8kgBULML97znDB4t1RBgbJ5wDtZybkJeFKhwAAAABJRU5ErkJggg==",
  22.     white : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAKlBMVEUAAAD///////////////////////////////////////////////////+Gu8ovAAAADXRSTlMAd+7dRKqZiGbMIhEzr1+TpQAAAExJREFUCNdjIBL4BvgGgBmyF2QvYGUI3bW9IHtZi4H17t27QIYOQ+9FlrtgqVwFhlo4Q0H2NgNYKsH3GgNI8eUF7HdvgrRXMzA03wQARXIiwwVnjbIAAAAASUVORK5CYII=",
  23.     black : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAJ1BMVEUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADdEvm1AAAADHRSTlMAu3fdzBGqmYhmRO5Nxwc9AAAATElEQVQI12MgEugo6CiAGTICMgLYGKw9Z2wEZGwcGILPnDkDZLgy1JxiOgOWsklg8IEzEmQcGMBSE3ROMoAUH2RgOXMCqP20AtCW4wBomxaqzmf3OgAAAABJRU5ErkJggg=="
  24.   },
  25.  
  26.   content = [
  27.     "<a href='http://dabblet.com/gist/{gistid}' class='{class} tooltipped tooltipped-n' aria-label='Open at Dabblet.com'>",
  28.       "<span class='g2d-button' style='background-image:url({icon})'>&nbsp;</span>",
  29.       "&nbsp;dabblet",
  30.     "</a>"
  31.   ].join(""),
  32.  
  33.   hasClass = function(el, name) {
  34.     if (el) {
  35.       return el.classList ?
  36.         el.classList.contains(name) :
  37.         new RegExp("\\b" + name + "\\b").test(el.className);
  38.     }
  39.     return false;
  40.   },
  41.  
  42.   closest = function(el, name) {
  43.     while (el && !hasClass(el, name)) {
  44.       el = el.parentNode;
  45.     }
  46.     return hasClass(el, name) ? el : null;
  47.   },
  48.  
  49.   findDabbletGist = function() {
  50.     var indx, len, el,
  51.       list = [],
  52.       hasDabblet = false,
  53.       // main gist page
  54.       gist = document.querySelector("#file-dabblet-css"),
  55.       // list of gists page
  56.       lists = document.querySelectorAll(".css-truncate-target");
  57.  
  58.     if (document.querySelectorAll(".gist-snippet").length) {
  59.       indx = lists.length;
  60.       while (indx--) {
  61.         // only save dabblet files from list
  62.         if (lists[indx].textContent.indexOf("dabblet.css") > -1) {
  63.           list[list.length] = lists[indx];
  64.         }
  65.       }
  66.     }
  67.     len = list.length;
  68.     if (gist || len) {
  69.       if (len) {
  70.         for (indx = 0; indx < len; indx++) {
  71.           button = document.createElement("li");
  72.           button.innerHTML = content
  73.             .replace("{gistid}", list[indx].parentNode.href.match(/[a-f\d]+$/))
  74.             .replace("{class}", "")
  75.             .replace("{icon}", icons.grey);
  76.           el = closest(list[indx], "gist-snippet-meta").querySelector(".gist-count-links li");
  77.           el.parentNode.insertBefore(button, el);
  78.           el.parentNode.style.zIndex = 1;
  79.         }
  80.       } else if (gist) {
  81.         button = document.createElement("li");
  82.         button.innerHTML = content
  83.           .replace("{gistid}", window.location.pathname.match(/[a-f\d]+$/))
  84.           .replace("{class}", "btn btn-sm")
  85.           .replace("{icon}", icons.black);
  86.         el = document.querySelector(".pagehead-actions li");
  87.         el.parentNode.insertBefore(button, el);
  88.       }
  89.     }
  90.   },
  91.  
  92.   targets = document.querySelectorAll("#js-repo-pjax-container, #js-pjax-container, .js-preview-body");
  93.  
  94.   Array.prototype.forEach.call(targets, function(target) {
  95.     new MutationObserver(function(mutations) {
  96.       mutations.forEach(function(mutation) {
  97.         // preform checks before adding code wrap to minimize function calls
  98.         if (!busy && mutation.target === target) {
  99.           findDabbletGist();
  100.         }
  101.       });
  102.     }).observe(target, {
  103.       childList: true,
  104.       subtree: true
  105.     });
  106.   });
  107.  
  108.   findDabbletGist();
  109.  
  110. })();