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GitHub Custom Emojis

Add custom emojis from json source

当前为 2016-04-12 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         GitHub Custom Emojis
  3. // @version      0.2.4
  4. // @description  Add custom emojis from json source
  5. // @namespace    https://github.com/StylishThemes
  6. // @include      /https?://((gist)\.)?github\.com/
  7. // @grant        GM_addStyle
  8. // @grant        GM_getValue
  9. // @grant        GM_setValue
  10. // @grant        GM_xmlhttpRequest
  11. // @grant        GM_info
  12. // @connect      *
  13. // @run-at       document-end
  14. // @require      https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js
  15. // @require      https://greasyfork.org/scripts/16936-ichord-caret-js/code/ichord-Caretjs.js?version=106431
  16. // @require      https://greasyfork.org/scripts/16996-ichord-at-js-mod/code/ichord-Atjs-mod.js?version=109194
  17. // @require      https://cdnjs.cloudflare.com/ajax/libs/ion-rangeslider/2.1.2/js/ion.rangeSlider.min.js
  18. // ==/UserScript==
  19. /* global jQuery, GM_addStyle, GM_getValue, GM_setValue, GM_xmlhttpRequest, GM_info */
  20. /* eslint-disable indent, quotes */
  21. (function($) {
  22.   'use strict';
  23.  
  24.   var ghe = {
  25.  
  26.     version : GM_info.script.version,
  27.  
  28.     vars : {
  29.       // delay until package.json allowed to load
  30.       delay : 8.64e7, // 24 hours in milliseconds
  31.  
  32.       // base url to fetch package.json
  33.       root : 'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/',
  34.       emojiClass : 'ghe-custom-emoji',
  35.       emojiTxtTemplate : '~${name}',
  36.       emojiImgTemplate : ':_${name}:',
  37.       maxEmojiZoom : 3,
  38.       maxEmojiHeight : 150,
  39.  
  40.       // Keyboard shortcut to open panel
  41.       keyboardOpen : 'g+=',
  42.       keyboardDelay : 1000
  43.     },
  44.  
  45.     regex : {
  46.       // nodes to skip while traversing the dom
  47.       skipElm    : /^(script|style|svg|iframe|br|meta|link|textarea|input|code|pre)$/i,
  48.       // emoji template
  49.       template   : /\$\{name\}/,
  50.       // character to escape in regex
  51.       charsToEsc : /[-\/\\^$*+?.()|[\]{}]/g
  52.     },
  53.  
  54.     defaults : {
  55.       activeZoom    : 1.8,
  56.       caseSensitive : false,
  57.       rangeHeight   : '20;40', // min;max as set by ion.rangeSlider
  58.       insertAsImage : false,
  59.       // emoji json sources
  60.       sources : [
  61.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-custom.json',
  62.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-crazy-rabbit.json',
  63.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-onion-head.json',
  64.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-unicode.json',
  65.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-custom-text.json'
  66.       ]
  67.     },
  68.  
  69.     // emoji json stored here
  70.     collections : {},
  71.  
  72.     // GitHub ajax containers
  73.     containers : [
  74.       '#js-pjax-container',
  75.       '#js-repo-pjax-container',
  76.       '.js-contribution-activity',
  77.       '.more-repos', // loading "more" of "Your repositories"
  78.       '#dashboard .news', // loading "more" news
  79.       '.js-preview-body' // comment previews
  80.     ],
  81.  
  82.     // promises used when loading JSON
  83.     promises : {},
  84.  
  85.     getStoredValues : function() {
  86.       var defaults = this.defaults;
  87.       this.settings = {
  88.         rangeHeight   : GM_getValue('rangeHeight',   defaults.rangeHeight),
  89.         activeZoom    : GM_getValue('activeZoom',    defaults.activeZoom),
  90.         caseSensitive : GM_getValue('caseSensitive', defaults.caseSensitive),
  91.         insertAsImage : GM_getValue('insertAsImage', defaults.insertAsImage),
  92.         sources       : GM_getValue('sources',       defaults.sources),
  93.  
  94.         date          : GM_getValue('date', 0)
  95.       };
  96.  
  97.       this.collections = GM_getValue('collections', {});
  98.  
  99.       debug('Retrieved stored values & collections', this.settings, this.collections);
  100.     },
  101.  
  102.     storeVal : function(key, set, $el) {
  103.       var tmp,
  104.         val = set[key];
  105.       GM_setValue(key, val);
  106.       if (typeof val === 'boolean') {
  107.         $el.prop('checked', val);
  108.       } else {
  109.         $el.val(val);
  110.       }
  111.       // update sliders
  112.       if ($el.hasClass('ghe-height')) {
  113.         tmp = val.split(';');
  114.         $el.data('ionRangeSlider').update({
  115.           from: tmp[0],
  116.           to: tmp[1]
  117.         });
  118.       } else if ($el.hasClass('ghe-zoom')) {
  119.         $el.data('ionRangeSlider').update({
  120.           from: val
  121.         });
  122.       }
  123.     },
  124.  
  125.     setStoredValues : function(reset) {
  126.       var $el, tmp, len, indx,
  127.         s = ghe.settings,
  128.         d = ghe.defaults,
  129.         $panel = $('#ghe-settings-inner');
  130.  
  131.       ghe.busy = true;
  132.       ghe.storeVal('caseSensitive', reset ? d : s, $panel.find('.ghe-case'));
  133.       ghe.storeVal('insertAsImage', reset ? d : s, $panel.find('.ghe-image'));
  134.       ghe.storeVal('activeZoom',    reset ? d : s, $panel.find('.ghe-zoom'));
  135.       ghe.storeVal('rangeHeight',   reset ? d : s, $panel.find('.ghe-height'));
  136.  
  137.       GM_setValue('collections', this.collections);
  138.       GM_setValue('date', s.date);
  139.  
  140.       if (reset) {
  141.         // add defaults back into source list; but don't remove any new stuff
  142.         len = d.sources.length;
  143.         for (indx = 0; indx < len; indx++) {
  144.           if (s.sources.indexOf(d.sources[indx]) < 0) {
  145.             s.sources[s.sources.length] = d.sources[indx];
  146.           }
  147.         }
  148.       } else if (reset === false) {
  149.         // Refresh sources, so clear out collections
  150.         this.collections = {};
  151.       }
  152.       tmp = s.sources;
  153.       len = tmp.length;
  154.       GM_setValue('sources', tmp);
  155.       for (indx = 0; indx < len; indx++) {
  156.         if ($panel.find('.ghe-source').eq(indx).length) {
  157.           $el = $panel
  158.             .find('.ghe-source-input')
  159.             .eq(indx)
  160.             .attr('data-url', tmp[indx]);
  161.         } else {
  162.           $el = $(ghe.sourceHTML)
  163.             .appendTo($panel.find('.ghe-sources'))
  164.             .find('.ghe-source-input')
  165.             .attr('data-url', tmp[indx]);
  166.         }
  167.         // only show file name when not focused
  168.         ghe.showFileName($el);
  169.       }
  170.       // remove extras
  171.       $panel.find('.ghe-source').filter(':gt(' + len + ')').remove();
  172.       if (reset) {
  173.         this.updateSettings();
  174.       }
  175.       if (typeof reset === 'boolean') {
  176.         // reset autocomplete after refresh or restore so we're using the
  177.         // most up-to-date collection data
  178.         $('.comment-form-textarea').atwho('destroy');
  179.       }
  180.       debug((reset ? 'Resetting' : 'Saving') + ' current values & updating panel', s);
  181.       ghe.busy = false;
  182.     },
  183.  
  184.     updateSettings : function() {
  185.       this.isUpdating = true;
  186.       var settings = this.settings,
  187.         $panel = $('#ghe-settings-inner');
  188.       settings.rangeHeight   = $panel.find('.ghe-height').val();
  189.       settings.activeZoom    = $panel.find('.ghe-zoom').val();
  190.       settings.insertAsImage = $panel.find('.ghe-image').is(':checked');
  191.       settings.caseSensitive = $panel.find('.ghe-case').is(':checked');
  192.       settings.sources = $panel.find('.ghe-source-input').map(function() {
  193.         return $(this).attr('data-url');
  194.       }).get();
  195.  
  196.       // update case-sensitive regex
  197.       this.setRegex();
  198.  
  199.       debug('Updating user settings', settings);
  200.       this.updateStyleSheet();
  201.       this.isUpdating = false;
  202.     },
  203.  
  204.     loadEmojiJson : function(update) {
  205.       // only load emoji.json once a day, or after a forced update
  206.       if (update || (new Date().getTime() > this.settings.date + this.vars.delay)) {
  207.         var indx,
  208.           promises = [],
  209.           sources = this.settings.sources,
  210.           len = sources.length;
  211.         for (indx = 0; indx < len; indx++) {
  212.           promises[promises.length] = this.fetchCustomEmojis(sources[indx]);
  213.         }
  214.         $.when.apply(null, promises).done(function() {
  215.           ghe.checkPage();
  216.           ghe.promises = [];
  217.           ghe.settings.date = new Date().getTime();
  218.           GM_setValue('date', ghe.settings.date);
  219.           GM_setValue('collections', ghe.collections);
  220.         });
  221.       }
  222.     },
  223.  
  224.     fetchCustomEmojis : function(url) {
  225.       if (!this.promises[url]) {
  226.         this.promises[url] = $.Deferred(function(defer) {
  227.           debug('Fetching custom emoji list', url);
  228.           GM_xmlhttpRequest({
  229.             method : 'GET',
  230.             url : url,
  231.             onload : function(response) {
  232.               var json = false;
  233.               try {
  234.                 json = JSON.parse(response.responseText);
  235.               } catch (err) {
  236.                 debug('Invalid JSON', url);
  237.                 return defer.reject();
  238.               }
  239.               if (json && json[0].name) {
  240.                 // save url to make removing the entry easier
  241.                 json[0].url = url;
  242.                 ghe.collections[json[0].name] = json;
  243.                 debug('Adding "' + json[0].name + '" Emoji Collection');
  244.               }
  245.               return defer.resolve();
  246.             }
  247.           });
  248.         }).promise();
  249.       }
  250.       return this.promises[url];
  251.     },
  252.  
  253.     // Using: document.evaluate('//*[text()[contains(.,":_")]]', document.body, null,
  254.     //   XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null).snapshotItem(0);
  255.     // to find matching content as it is much faster than scanning each node
  256.     checkPage : function() {
  257.       this.isUpdating = true;
  258.       var node,
  259.         indx = 0,
  260.         parts = this.vars.emojiImgTemplate.split('${name}'), // parts = [':_', ':']
  261.         // adding "//" starts from document, so if node is defined, don't
  262.         // include it so the search starts from the node
  263.         path = '//*[text()[contains(.,"' + parts[0] + '")]]',
  264.         nodes = document.evaluate(path, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null),
  265.         len = nodes.snapshotLength;
  266.       try {
  267.         node = nodes.snapshotItem(indx);
  268.         while (node && indx++ < len) {
  269.           if (!ghe.regex.skipElm.test(node.nodeName)) {
  270.             ghe.findEmoji(node);
  271.           }
  272.           node = nodes.snapshotItem(indx);
  273.         }
  274.       } catch (e) {
  275.         debug('Nothing to replace!', e);
  276.       }
  277.       this.isUpdating = false;
  278.     },
  279.  
  280.     findEmoji : function(node) {
  281.       var indx, len, group, match, matchesLen, name,
  282.         regex = ghe.regex.nameRegex,
  283.         matches = [],
  284.         emojis = this.collections,
  285.         str = node.textContent;
  286.       while ((match = regex.exec(str)) !== null) {
  287.         matches[matches.length] = match[1];
  288.       }
  289.       if (matches && matches[0]) {
  290.         matchesLen = matches.length;
  291.         for (group in emojis) {
  292.           // cycle through the collections (except text type)
  293.           if (emojis.hasOwnProperty(group) && emojis[group][0].type !== 'text') {
  294.             len = emojis[group].length;
  295.             for (indx = 1; indx < len; indx++) {
  296.               name = emojis[group][indx].name;
  297.               for (match = 0; match < matchesLen; match++) {
  298.                 if (name === matches[match]) {
  299.                   debug('found "' + matches[match] + '" in "' + node.textContent + '"');
  300.                   ghe.replaceText(node, emojis[group][indx]);
  301.                 }
  302.               }
  303.             }
  304.           }
  305.         }
  306.       }
  307.     },
  308.  
  309.     replaceText : function(node, emoji) {
  310.       var data, pos, imgnode, middlebit, endbit,
  311.         isCased = this.settings.caseSensitive,
  312.         name = this.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name),
  313.         skip = 0;
  314.       name = isCased ? name : name.toUpperCase();
  315.       // Code modified from highlight-5 (MIT license)
  316.       // http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html
  317.       if (node.nodeType === 3) {
  318.         data = isCased ? node.data : node.data.toUpperCase();
  319.         pos = data.indexOf(name);
  320.         pos -= (data.substr(0, pos).length - node.data.substr(0, pos).length);
  321.         if (pos >= 0) {
  322.           imgnode = ghe.createEmoji(emoji);
  323.           middlebit = node.splitText(pos);
  324.           endbit = middlebit.splitText(name.length);
  325.           middlebit.parentNode.replaceChild(imgnode, middlebit);
  326.           skip = 1;
  327.         }
  328.       } else if (node.nodeType === 1 && node.childNodes) {
  329.         for (var i = 0; i < node.childNodes.length; ++i) {
  330.           i += ghe.replaceText(node.childNodes[i], emoji);
  331.         }
  332.       }
  333.       return skip;
  334.     },
  335.  
  336.     // This function does the surrounding for every matched piece of text
  337.     // and can be customized  to do what you like
  338.     // <img class="emoji" title=":smile:" alt=":smile:" src="x.png" height="20" width="20" align="absmiddle">
  339.     createEmoji : function(emoji) {
  340.       var el = document.createElement('img');
  341.       el.src = emoji.url;
  342.       el.className = ghe.vars.emojiClass + ' emoji';
  343.       el.title = el.alt = ghe.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name);
  344.       // el.align = 'absmiddle'; // deprecated attribute
  345.       return el;
  346.     },
  347.  
  348.     // used by autocomplete (atwho) filter function
  349.     matches : function(query, labels) {
  350.       if (query === '') {
  351.         return 1;
  352.       }
  353.       labels = labels || '';
  354.       var i, partial,
  355.         count = 0,
  356.         isCS = this.settings.caseSensitive,
  357.         arry = (isCS ? labels : labels.toUpperCase()).split(/[\s,_]+/),
  358.         parts = (isCS ? query : query.toUpperCase()).split(/[,_]/),
  359.         len = parts.length;
  360.       for (i = 0; i < len; i++) {
  361.         // full match or partial
  362.         partial = arry.join('_').indexOf(parts.join('_'));
  363.         if (arry.indexOf(parts[i]) > -1 || partial > -1) {
  364.           count++;
  365.         }
  366.         // give more weight to results with indexOf closer to zero
  367.         if (partial > -1 && partial < len / 2) {
  368.           count++;
  369.         }
  370.       }
  371.       // return fraction of query matches
  372.       return count / len;
  373.     },
  374.  
  375.     emojiSort : function(a, b) {
  376.       return a.name > b.name ? 1 : a.name < b.name ? -1 : 0;
  377.     },
  378.  
  379.     // init when comment textarea is focused
  380.     initAutocomplete : function($el) {
  381.       if (!$el.data('atwho')) {
  382.         var indx, imgLen, txtLen, name, group,
  383.           text = [],
  384.           data = [];
  385.         // combine data
  386.         for (name in ghe.collections) {
  387.           if (ghe.collections.hasOwnProperty(name)) {
  388.             group = ghe.collections[name].slice(1);
  389.             if (ghe.collections[name][0].type === 'text') {
  390.               text = text.concat(group);
  391.             } else {
  392.               data = data.concat(group);
  393.             }
  394.           }
  395.         }
  396.         imgLen = data.length;
  397.         if (imgLen) {
  398.           // alphabetic sort
  399.           data = data.sort(ghe.emojiSort);
  400.           // add prepend name to labels
  401.           for (indx = 0; indx < imgLen; indx++) {
  402.             data[indx].labels = data[indx].name.replace(/_/g, ' ') + ' ' + data[indx].labels;
  403.           }
  404.           // add emoji autocomplete to comment textareas
  405.           $el.atwho({
  406.             // first two characters from emojiImgTemplate
  407.             at : ghe.vars.emojiImgTemplate.split('${name}')[0],
  408.             data : data,
  409.             searchKey: 'labels',
  410.             displayTpl : '<li><span><img src="${url}" height="30" /></span>${name}</li>',
  411.             insertTpl : ghe.vars.emojiImgTemplate,
  412.             delay : 400,
  413.             callbacks : {
  414.               matcher: function(flag, subtext) {
  415.                 var regexp = ghe.regex.emojiImgFilter,
  416.                   match = regexp.exec(subtext);
  417.                 // this next line does some magic...
  418.                 // for some reason, without it, moving the caret from "p" to "r" in
  419.                 // ":_people,fear," opens & closes the popup with each letter typed
  420.                 subtext.match(regexp);
  421.                 if (match) {
  422.                   return match[2] || match[1];
  423.                 } else {
  424.                   return null;
  425.                 }
  426.               },
  427.               filter: function(query, data, searchKey) {
  428.                 var i, item,
  429.                   len = data.length,
  430.                   _results = [];
  431.                 for (i = 0; i < len; i++) {
  432.                   item = data[i];
  433.                   item.atwho_order = ghe.matches(query, item[searchKey]);
  434.                   if (item.atwho_order > 0.9) {
  435.                     _results[_results.length] = item;
  436.                   }
  437.                 }
  438.                 return query === '' ? _results : _results.sort(function(a, b) {
  439.                   // descending sort
  440.                   return b.atwho_order - a.atwho_order;
  441.                 });
  442.               },
  443.               sorter: function(query, items) {
  444.                 // sorted by filter
  445.                 return items;
  446.               },
  447.               // event parameter adding in atwho.js mod
  448.               beforeInsert: function(value, $li, event) {
  449.                 if (event.shiftKey || ghe.settings.insertAsImage) {
  450.                   // add image tag directly if shift is held
  451.                   return '<img title="' +
  452.                     ghe.vars.emojiImgTemplate.replace(ghe.regex.template, $li.text()) +
  453.                     '" src="' + $li.find('img').attr('src') + '">';
  454.                 }
  455.                 return value;
  456.               }
  457.             }
  458.           });
  459.         }
  460.  
  461.         txtLen = text.length;
  462.         if (txtLen) {
  463.           // alphabetic sort
  464.           text = text.sort(ghe.emojiSort);
  465.           $el.atwho({
  466.             at : ghe.vars.emojiTxtTemplate.split('${name}')[0],
  467.             data : text,
  468.             searchKey: 'name',
  469.             // add data-emoji because of Emoji-One Chrome extension adds
  470.             // hidden text and an svg image inside the span
  471.             displayTpl : '<li data-emoji="${text}"><span class="ghe-text">${text}</span>${name}</li>',
  472.             insertTpl : ghe.vars.emojiTxtTemplate,
  473.             delay : 400,
  474.             callbacks : {
  475.               matcher: function(flag, subtext) {
  476.                 var regexp = ghe.regex.emojiTxtFilter,
  477.                   match = regexp.exec(subtext);
  478.                 // this next line does some magic...
  479.                 subtext.match(regexp);
  480.                 if (match) {
  481.                   return match[2] || match[1];
  482.                 } else {
  483.                   return null;
  484.                 }
  485.               },
  486.               filter: function(query, data, searchKey) {
  487.                 var i, item,
  488.                   len = data.length,
  489.                   _results = [];
  490.                 for (i = 0; i < len; i++) {
  491.                   item = data[i];
  492.                   item.atwho_order = ghe.matches(query, item[searchKey]);
  493.                   if (item.atwho_order > 0.9) {
  494.                     _results[_results.length] = item;
  495.                   }
  496.                 }
  497.                 return query === '' ? _results : _results.sort(function(a, b) {
  498.                   // descending sort
  499.                   return b.atwho_order - a.atwho_order;
  500.                 });
  501.               },
  502.               sorter: function(query, items) {
  503.                 // sorted by filter
  504.                 return items;
  505.               },
  506.               // event parameter adding in atwho.js mod
  507.               beforeInsert: function(value, $li, event) {
  508.                 return $li.attr('data-emoji');
  509.               }
  510.             }
  511.           });
  512.         }
  513.         // use classes from GitHub-Dark to make theme match GitHub-Dark
  514.         $('.atwho-view').addClass('popover suggester');
  515.       }
  516.     },
  517.  
  518.     addToolbarIcon : function() {
  519.       // add Emoji setting icons
  520.       var indx, $el,
  521.         $toolbars = $('.toolbar-commenting'),
  522.         len = $toolbars.length;
  523.       for (indx = 0; indx < len; indx++) {
  524.         $el = $toolbars.eq(indx);
  525.         if (!$el.find('.ghe-settings-icon').length) {
  526.           $el.prepend([
  527.             '<button type="button" class="ghe-settings-open toolbar-item tooltipped tooltipped-n tooltipped-multiline" aria-label="Browse collections & Set Emojis Options" tabindex="-1">',
  528.               '<svg class="ghe-settings-icon" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor">',
  529.                 '<path d="M7.205 3.233c0 .952-.753 1.73-1.722 1.73-.953 0-1.707-.793-1.707-1.73 0-.937.762-1.73 1.707-1.73.97 0 1.73.793 1.73 1.73h-.008zm6.904 0c0 .952-.794 1.73-1.747 1.73-.95 0-1.722-.793-1.722-1.73 0-.937.795-1.73 1.73-1.73.938 0 1.747.793 1.747 1.73h-.008zM7.204 10.1v5.19c0 1.728 6.904 1.728 6.904 0V10.1M10.642 10.1v3.46"/>',
  530.                 '<path d="M.878 8.777s3.167 1.893 8.002 1.92c4.365.02 8.135-1.92 8.135-1.92"/>',
  531.               '</svg>',
  532.             '</button>'
  533.           ].join(''));
  534.         }
  535.       }
  536.     },
  537.  
  538.     // dynamic stylesheet
  539.     updateStyleSheet : function() {
  540.       var range = this.settings.rangeHeight.split(';');
  541.       ghe.$style.text([
  542.         // img styling - vertically center with set height range
  543.         '.atwho-view li img, #ghe-popup .select-menu-item img, img[alt="ghe-emoji"], .' +
  544.           this.vars.emojiClass + ' { ' +
  545.           'margin-bottom:.25em; vertical-align:middle; ' +
  546.           'min-height: ' + (range[0] || 'none') + 'px;' +
  547.           'max-height: ' + (range[1] || 'none') + 'px }',
  548.         // click (make active) on image to zoom
  549.         '.' + this.vars.emojiClass + ':active, a:active img[alt="ghe-emoji"] { zoom:' +
  550.           this.settings.activeZoom + ' }'
  551.       ].join(''));
  552.     },
  553.  
  554.     addBindings : function() {
  555.       var lastKey,
  556.         $popup = $('#ghe-popup'),
  557.         $settings = $('#ghe-settings');
  558.       // Delegated bindings
  559.       $('body')
  560.         .on('click', '.ghe-settings-open', function() {
  561.           // open all collections panel
  562.           ghe.openCollections($(this));
  563.           return false;
  564.         })
  565.         .on('click', '.ghe-collection', function() {
  566.           // open targeted collection
  567.           var name = $(this).attr('data-group');
  568.           ghe.showCollection(name);
  569.         })
  570.         .on('click', '.ghe-emoji', function(e) {
  571.           // click on emoji in collection to add to textarea
  572.           ghe.addEmoji(e, $(this));
  573.         })
  574.         .on('click keypress keydown', function(e) {
  575.           clearTimeout(ghe.timer);
  576.           var panelVisible = $popup.hasClass('in') || $settings.hasClass('in'),
  577.             openPanel = ghe.vars.keyboardOpen.split('+'),
  578.             key = String.fromCharCode(e.which).toLowerCase();
  579.           // press escape or click outside to close the panel
  580.           if (panelVisible && e.which === 27 || e.type === 'click' && !$(e.target).closest('#ghe-wrapper').length) {
  581.             ghe.closePanels();
  582.             return;
  583.           }
  584.           // keydown is only needed for escape key detection
  585.           if (e.type === 'keydown' || /(input|textarea)/i.test(document.activeElement.nodeName)) {
  586.             return;
  587.           }
  588.           // shortcut keys need keypress
  589.           if (lastKey === openPanel[0] && key === openPanel[1]) {
  590.             if ($settings.hasClass('in')) {
  591.               ghe.closePanels();
  592.             } else {
  593.               ghe.openSettings();
  594.             }
  595.           }
  596.           lastKey = key;
  597.           ghe.timer = setTimeout(function() {
  598.             lastKey = null;
  599.           }, ghe.vars.keyboardDelay);
  600.  
  601.           // add shortcut to help menu
  602.           if (key === '?') {
  603.             // table doesn't exist until user presses "?"
  604.             setTimeout(function() {
  605.               if (!$('.ghe-shortcut').length) {
  606.                 $('.keyboard-mappings:eq(0) tbody:eq(0)').append([
  607.                   '<tr class="ghe-shortcut">',
  608.                     '<td class="keys">',
  609.                       '<kbd>' + openPanel[0] + '</kbd> <kbd>' + openPanel[1] + '</kbd>',
  610.                     '</td>',
  611.                     '<td>GitHub Emojis: open settings</td>',
  612.                   '</tr>'
  613.                 ].join(''));
  614.               }
  615.             }, 300);
  616.           }
  617.         });
  618.  
  619.       // popup & settings interactions
  620.       $('#ghe-popup .octicon-gear').on('click keyup', function(e) {
  621.         if (e.type === 'keyup' && e.which !== 13) {
  622.           return;
  623.         }
  624.         ghe.openSettings();
  625.       });
  626.       $('#ghe-settings, #ghe-settings-close, #ghe-settings-inner').on('click', function(e) {
  627.         if (this.id === 'ghe-settings-inner') {
  628.           e.stopPropagation();
  629.         } else {
  630.           ghe.closePanels();
  631.         }
  632.       });
  633.       // ghe-checkbox added to checkboxes
  634.       $('.ghe-checkbox').on('change', function() {
  635.         ghe.updateSettings();
  636.       });
  637.       // go back - switch from single collection to showing all collections
  638.       $('#ghe-popup .ghe-back').on('click', function() {
  639.         $('.ghe-single-collection, .ghe-back').hide();
  640.         $('.ghe-all-collections').show();
  641.       });
  642.  
  643.       // add new source input
  644.       $('#ghe-add-source').on('click', function() {
  645.         var $panel = $('#ghe-settings-inner');
  646.         // lets not get crazy!
  647.         if ($panel.find('.ghe-source').length < 20) {
  648.           $(ghe.sourceHTML).appendTo($panel.find('.ghe-sources'));
  649.         }
  650.         return false;
  651.       });
  652.       $('#ghe-refresh-sources, #ghe-restore').on('click', function() {
  653.         // update sources from settings panel
  654.         ghe.setStoredValues(this.id === 'ghe-restore');
  655.         // load json files
  656.         ghe.loadEmojiJson(true);
  657.         return false;
  658.       });
  659.  
  660.       // Init range slider
  661.       $('.ghe-height')
  662.         .val(ghe.settings.rangeHeight)
  663.         .ionRangeSlider({
  664.           type : 'double',
  665.           min  : 0,
  666.           max  : ghe.vars.maxEmojiHeight,
  667.           onChange : function() {
  668.             ghe.updateSettings();
  669.           },
  670.           force_edges : true,
  671.           hide_min_max : true
  672.         });
  673.       $('.ghe-zoom')
  674.         .val(ghe.settings.activeZoom)
  675.         .ionRangeSlider({
  676.           min  : 0,
  677.           max  : ghe.vars.maxEmojiZoom,
  678.           step : 0.1,
  679.           onChange : function() {
  680.             ghe.updateSettings();
  681.           },
  682.           force_edges : true,
  683.           hide_min_max : true
  684.         });
  685.  
  686.       // Remove source input - delegated binding
  687.       $('.ghe-settings-wrapper')
  688.         .on('click', '.ghe-remove', function() {
  689.           var $wrapper = $(this).closest('.ghe-source'),
  690.             url = $wrapper.find('.ghe-source-input').attr('data-url');
  691.           ghe.removeSource(url);
  692.           $wrapper.remove();
  693.           ghe.setStoredValues();
  694.           return false;
  695.         })
  696.         .on('focus blur input change', '.ghe-source-input', function(e) {
  697.           if (ghe.busy) { return; }
  698.           ghe.busy = true;
  699.           var val,
  700.             $this = $(this);
  701.           switch (e.type) {
  702.             case 'focus':
  703.             case 'focusin':
  704.               // show entire url when focused
  705.               $this.val($this.attr('data-url'));
  706.               break;
  707.             case 'blur':
  708.             case 'focusout':
  709.               ghe.showFileName($this);
  710.               break;
  711.             default:
  712.               $this.attr('data-url', $this.val());
  713.           }
  714.           if (e.type === 'change' || e.which === 13) {
  715.             val = $this.val();
  716.             $this.attr('data-url', val);
  717.             ghe.fetchCustomEmojis(val);
  718.           }
  719.           ghe.busy = false;
  720.         });
  721.  
  722.       // initialize autocomplete that add emojis, but only on focus
  723.       // since every comment has a hidden textarea
  724.       $('body').on('focus', '.comment-form-textarea', function() {
  725.         ghe.initAutocomplete($(this));
  726.       });
  727.     },
  728.  
  729.     showFileName : function($el) {
  730.       var str = $el.attr('data-url'),
  731.         v = str.substring(str.lastIndexOf('/') + 1, str.length);
  732.       // show only the file name in the input when blurred
  733.       // unless there is no file name
  734.       $el.val(v === '' ? str : '...' + v);
  735.     },
  736.  
  737.     closePanels : function() {
  738.       $('#ghe-popup').removeClass('in');
  739.       $('#ghe-settings').removeClass('in');
  740.       ghe.$currentInput = null;
  741.     },
  742.  
  743.     openSettings : function() {
  744.       $('.modal-backdrop').click();
  745.       $('#ghe-settings').addClass('in');
  746.     },
  747.  
  748.     openCollections : function($el) {
  749.       ghe.addCollections();
  750.       var pos = $el.offset();
  751.       $('#ghe-settings').removeClass('in');
  752.       $('#ghe-popup')
  753.         .addClass('in')
  754.         .css({
  755.           left: pos.left + 25,
  756.           top: pos.top
  757.         });
  758.       ghe.$currentInput = $el.closest('.previewable-comment-form').find('.comment-form-textarea');
  759.     },
  760.  
  761.     addCollections : function() {
  762.       var indx, len, key, group, item, emoji,
  763.         collections = ghe.collections,
  764.         range = ghe.settings.rangeHeight.split(';'),
  765.         list = [],
  766.         items = [];
  767.       // build collections list -
  768.       for (key in collections) {
  769.         if (collections.hasOwnProperty(key)) {
  770.           list[list.length] = key;
  771.         }
  772.       }
  773.       list = list.sort(function(a, b) {
  774.         return a > b ? 1 : (a < b ? -1 : 0);
  775.       });
  776.       len = list.length;
  777.       // add random image from group
  778.       for (indx = 0; indx < len; indx++) {
  779.         group = collections[list[indx]];
  780.         // random image (skip first entry)
  781.         item = Math.round(Math.random() * (group.length - 2)) + 1;
  782.         emoji = group[item];
  783.         items[items.length] = '<div class="select-menu-item js-navigation-item ghe-collection' +
  784.           (emoji.url ? '' : ' ghe-text-collection') +
  785.           '" data-group="' + list[indx] + '">' +
  786.           // collection info stored in first entry
  787.           group[0].name + ' <span class="ghe-right' +
  788.           (emoji.url ?
  789.             // images
  790.             '"><img src="' + emoji.url + '" title="' +
  791.             ghe.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name) + '" style="' +
  792.             'min-height:' + (range[0] || 'none') + 'px;' +
  793.             'max-height:' + (range[1] || 'none') + 'px;">' :
  794.             // text
  795.             ' ghe-text" title="' + emoji.name + '" style="font-size:' + group[0].previewSize +
  796.             '">' + emoji.text
  797.            ) + '</span></div>';
  798.       }
  799.       $('.ghe-single-collection, .ghe-back').hide();
  800.       $('.ghe-all-collections').html(items.join('')).show();
  801.     },
  802.  
  803.     showCollection : function(name) {
  804.       var indx, emoji,
  805.         range = ghe.settings.rangeHeight.split(';'),
  806.         group = ghe.collections[name].slice(1).sort(ghe.emojiSort),
  807.         list = [],
  808.         len = group.length;
  809.       for (indx = 1; indx < len; indx++) {
  810.         emoji = group[indx];
  811.         list[indx - 1] = '<div class="select-menu-item js-navigation-item ghe-emoji' +
  812.           (emoji.url ? '' : ' ghe-text-emoji') +
  813.           '" data-name="' + emoji.name + '">' +
  814.           emoji.name + '<span class="ghe-right' +
  815.           (emoji.url ?
  816.             // images
  817.             '"><img src="' + emoji.url + '" style="' +
  818.             'min-height:' + (range[0] || 'none') + 'px;' +
  819.             'max-height:' + (range[1] || 'none') + 'px">' :
  820.             // text type
  821.             ' ghe-text" style="font-size:' + ghe.collections[name][0].previewSize +
  822.             // data-emoji needed because Chrome emoji-one extension adds hidden
  823.             // text inside the span when it replaces the text with an svg
  824.             '" data-emoji="' + emoji.text + '">' + emoji.text
  825.           ) + '</span></div>';
  826.       }
  827.       $('.ghe-all-collections').hide();
  828.       $('.ghe-single-collection').html(list.join('')).show();
  829.       $('.ghe-back').show();
  830.     },
  831.  
  832.     // add emoji from collection
  833.     addEmoji : function(e, $el) {
  834.       var val, emoji,
  835.         $img = $el.find('img'),
  836.         name = $el.attr('data-name'),
  837.         caretPos = ghe.$currentInput.caret('pos');
  838.       if ($img.length) {
  839.         // insert into textarea
  840.         if (e.shiftKey || ghe.settings.insertAsImage) {
  841.           // add image tag directly if shift is held;
  842.           // GitHub does NOT allow class names so we are forced to use alt
  843.           emoji = '<img alt="ghe-emoji" title="' +
  844.             ghe.vars.emojiImgTemplate.replace(ghe.regex.template, name) +
  845.             '" src="' + $el.find('img').attr('src') + '">';
  846.         } else {
  847.           emoji = ghe.vars.emojiImgTemplate.replace(ghe.regex.template, name);
  848.         }
  849.       } else {
  850.         // insert text emoji
  851.         emoji = $el.find('span').attr('data-emoji');
  852.       }
  853.       val = ghe.$currentInput.val();
  854.       ghe.$currentInput
  855.         .val(val.slice(0, caretPos) + emoji + ' ' + val.slice(caretPos))
  856.         .focus()
  857.         .caret('pos', caretPos + emoji.length + 1);
  858.       ghe.closePanels();
  859.     },
  860.  
  861.     removeSource : function(url) {
  862.       var indx,
  863.         list = [],
  864.         collections = this.collections,
  865.         sources = this.settings.sources,
  866.         len = sources.length;
  867.       // remove from source
  868.       for (indx = 0; indx < len; indx++) {
  869.         if (sources[indx] !== url) {
  870.           list[list.length] = sources[indx];
  871.         }
  872.       }
  873.       this.settings.sources = list;
  874.       for (indx in collections) {
  875.         if (collections.hasOwnProperty(indx) && collections[indx][0].url === url) {
  876.           delete collections[indx];
  877.           debug('Removing "' + indx + '" collection', collections);
  878.         }
  879.       }
  880.     },
  881.  
  882.     update : function() {
  883.       this.isUpdating = true;
  884.       this.addToolbarIcon();
  885.       // checkPage clears isUpdating flag
  886.       this.checkPage();
  887.     },
  888.  
  889.     addPanels : function() {
  890.       /* https://github.com/ichord/At.js styles for autocomplete */
  891.       GM_addStyle([
  892.         // settings panel
  893.         '#ghe-menu:hover { cursor:pointer }',
  894.         '#ghe-settings { position:fixed; z-index:65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden }',
  895.         '#ghe-settings.in { opacity:1; visibility:visible; background:rgba(0,0,0,.5) }',
  896.         '#ghe-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; color:#c0c0c0 }',
  897.         '#ghe-settings label { margin-left:.5rem; position:relative; top:-1px }',
  898.         '#ghe-settings .ghe-remove { float:right; margin-top:2px; padding:4px; cursor:pointer }',
  899.         '#ghe-settings .ghe-remove-icon { position:relative; top:3px }',
  900.         '#ghe-settings-close { fill:#666; float:right; cursor:pointer }',
  901.         '#ghe-settings-close:hover { fill:#ccc }',
  902.         '#ghe-settings .ghe-settings-wrapper { max-height:60vh; overflow-y:auto; padding:1px 10px; margin-top:6px }',
  903.         '#ghe-settings .ghe-right, #ghe-popup .ghe-right { float:right }',
  904.         '#ghe-settings p { line-height:25px; }',
  905.         '#ghe-settings .checkbox input { margin-top:.35em }',
  906.         '#ghe-settings input[type="checkbox"] { width:16px !important; height:16px !important; border-radius:3px !important }',
  907.         '#ghe-settings .boxed-group-inner { padding:0; }',
  908.         '#ghe-settings .ghe-footer { padding: 10px; border-top: #555 solid 1px; }',
  909.         '#ghe-settings .ghe-min-height, #ghe-settings .ghe-max-height, .ghe-zoom { width: 5em; }',
  910.         '#ghe-settings .ghe-source-input { width: 90%; padding:3px; margin:3px 0 }',
  911.         '#ghe-settings .ghe-slider-wrapper { height:40px; }',
  912.         '#ghe-settings .ghe-slider-wrapper label { position:relative; top:22px }',
  913.         '#ghe-settings .ghe-range-slider, #ghe-settings .ghe-zoom-slider { position:relative; height:40px; width:250px; float:right }',
  914.  
  915.         // show emoji collections
  916.         '#ghe-popup { display:none }',
  917.         '#ghe-popup .ghe-content, #ghe-popup .ghe-content > div { max-height: 200px }',
  918.         '#ghe-popup .octicon-gear { margin-left:4px }',
  919.         '#ghe-popup .ghe-back svg { height:20px; padding:4px 14px 4px 4px }',
  920.         '#ghe-popup .select-menu-item { font-size:1.1em; font-weight:bold; line-height:40px; padding:8px }',
  921.         '#ghe-popup .select-menu-item.ghe-text-emoji { line-height:inherit; position:relative; padding-right:45px }',
  922.         '#ghe-popup .select-menu-item.ghe-text-emoji .ghe-text { position:absolute; right:10px; top:0 }',
  923.         '#ghe-popup .select-menu-item .ghe-text, .atwho-view .ghe-text { font-size:1.6em }',
  924.         '.ghe-settings-icon, #ghe-popup.in { display:inline-block }',
  925.  
  926.         // autocomplete popup in comment
  927.         '.atwho-view { position:absolute; top:0; left:0; display:none; margin-top:18px; background:#fff; color:#000; border:1px solid #ddd; border-radius:3px; box-shadow:0 0 5px rgba(0,0,0,.1); min-width:300px; max-width:none!important; max-height:225px; overflow:auto; z-index:11110!important }',
  928.         '.atwho-view .navigation-focus { background:#36f; color:#fff }',
  929.         '.atwho-view .navigation-focus small { color:#fff }',
  930.         '.atwho-view strong { color:#36F }',
  931.         '.atwho-view .navigation-focus strong { color:#fff; font:700 }',
  932.         '.atwho-view ul { list-style:none; padding:0; margin:auto }',
  933.         '.atwho-view ul li { display:block; padding:5px 10px; border-bottom:1px solid #ddd; cursor:pointer }',
  934.         '.atwho-view li span { display:inline-block; min-width:60px; padding-right:4px }',
  935.         '.atwho-view small { font-size:smaller; color:#777; font-weight:400 }',
  936.  
  937.         // rangeSlider
  938.         '.irs{position:relative;display:block;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}',
  939.         '.irs-line{position:relative;display:block;overflow:hidden;outline:none !important}.irs-line-left,.irs-line-mid,.irs-line-right{position:absolute;display:block;top:0}',
  940.         '.irs-line-left{left:0;width:9%}.irs-line-mid{left:9%;width:82%}.irs-line-right{right:0;width:9%}.irs-bar{position:absolute;display:block;left:0;width:0}.irs-bar-edge{position:absolute;display:block;top:0;left:0}',
  941.         '.irs-shadow{position:absolute;display:none;left:0;width:0}.irs-slider{position:absolute;display:block;cursor:default;z-index:1}.irs-slider.type_last{z-index:2}.irs-min{position:absolute;display:block;left:0;cursor:default}',
  942.         '.irs-max{position:absolute;display:block;right:0;cursor:default}.irs-from,.irs-to,.irs-single{position:absolute;display:block;top:0;left:0;cursor:default;white-space:nowrap}.irs-grid{position:absolute;display:none;bottom:0;left:0;width:100%;height:20px}',
  943.         '.irs-with-grid .irs-grid{display:block}.irs-grid-pol{position:absolute;top:0;left:0;width:1px;height:8px;background:#000}.irs-grid-pol.small{height:4px}.irs-grid-text{position:absolute;bottom:0;left:0;white-space:nowrap;text-align:center;font-size:9px;line-height:9px;padding:0 3px;color:#000}',
  944.         '.irs-disable-mask{position:absolute;display:block;top:0;left:-1%;width:102%;height:100%;cursor:default;background:rgba(0,0,0,0.0);z-index:2}.lt-ie9 .irs-disable-mask{background:#000;filter:alpha(opacity=0);cursor:not-allowed}.irs-disabled{opacity:0.4}',
  945.         '.irs-hidden-input{position:absolute !important;display:block !important;top:0 !important;left:0 !important;width:0 !important;height:0 !important;font-size:0 !important;line-height:0 !important;padding:0 !important;margin:0 !important;outline:none !important;z-index:-9999 !important;background:none !important;border-style:solid !important;border-color:transparent !important}',
  946.         '.irs-line-mid,.irs-line-left,.irs-line-right,.irs-bar,.irs-bar-edge,.irs-slider{background:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQQAAAC0BAMAAACAm0/4AAAAHlBMVEUAAADh5OlIPakuJnU8MZzh5Onh5Onlt8BIPamDg6ND+SBkAAAACnRSTlMAgMzMzHlXE4oe0nCEQQAAAMJJREFUeNrt1qENAkEQhtENkBDkCtCECiiBFjCgEXgMDVwJVEzGQ7KnZnJ5r4JP7E7+1tNJkCBBgoSqCQAAjNg+e6rbq717snt79GSHdu3J9hVGfE8nIVR4jgU+ZYHTVOBAAwAw4pROggQJEiRUTQAAYMRuSl9Rn/whN+UnFJizEiQUSijwKQucpgIHGgCAQatjy7a5tJkkBAlBQpAQJAQJQUJYYkKByQIA/6zPbSYJQUKQECQECUFCkBAkhCUmAMAvX+TSxQIIIKq9AAAAAElFTkSuQmCC") repeat-x}',
  947.         '.irs{height:40px}.irs-with-grid{height:60px}.irs-line{height:12px;top:25px}.irs-line-left{height:12px;background-position:0 -30px}',
  948.         '.irs-line-mid{height:12px;background-position:0 0}.irs-line-right{height:12px;background-position:100% -30px}.irs-bar{height:12px;top:25px;background-position:0 -60px}',
  949.         '.irs-bar-edge{top:25px;height:12px;width:9px;background-position:0 -90px}.irs-shadow{height:3px;top:34px;background:#000;opacity:.25}',
  950.         '.lt-ie9 .irs-shadow{filter:alpha(opacity=25)}.irs-slider{width:16px;height:18px;top:22px;background-position:0 -120px}',
  951.         '.irs-slider.state_hover,.irs-slider:hover{background-position:0 -150px}.irs-min,.irs-max{color:#fff;font-size:10px;line-height:1.333;text-shadow:none;top:0;padding:1px 3px;background:#7D7E81;-moz-border-radius:4px;border-radius:4px}',
  952.         '.irs-from,.irs-to,.irs-single{color:#fff;font-size:10px;line-height:1.333;text-shadow:none;padding:1px 5px;background:#534AA1;-moz-border-radius:4px;border-radius:4px}',
  953.         '.irs-from:after,.irs-to:after,.irs-single:after{position:absolute;display:block;content:"";bottom:-6px;left:50%;width:0;height:0;margin-left:-3px;overflow:hidden;border:3px solid transparent;border-top-color:#534AA1}',
  954.         '.irs-grid-pol{background:#e1e4e9}.irs-grid-text{color:#999}'
  955.       ].join(''));
  956.  
  957.       // Settings panel markup
  958.       $('body').append([
  959.         '<div id="ghe-wrapper">',
  960.           '<div id="ghe-popup" class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">',
  961.             '<div class="select-menu-modal">',
  962.               '<div class="select-menu-header">',
  963.                 '<span class="select-menu-title">',
  964.                   '<text>Emoji Collections</text>',
  965.                   '<span class="octicon tooltipped tooltipped-w" aria-label="Change GitHub Custom Emoji Settings">',
  966.                     '<svg class="octicon-gear" viewBox="0 0 16 14" style="height: 16px; width: 14px;"><path d="M14 8.77V7.17l-1.94-0.64-0.45-1.09 0.88-1.84-1.13-1.13-1.81 0.91-1.09-0.45-0.69-1.92H6.17l-0.63 1.94-1.11 0.45-1.84-0.88-1.13 1.13 0.91 1.81-0.45 1.09L0 7.23v1.59l1.94 0.64 0.45 1.09-0.88 1.84 1.13 1.13 1.81-0.91 1.09 0.45 0.69 1.92h1.59l0.63-1.94 1.11-0.45 1.84 0.88 1.13-1.13-0.92-1.81 0.47-1.09 1.92-0.69zM7 11c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3z"/></svg>',
  967.                   '</span>',
  968.                   '<span class="octicon tooltipped tooltipped-w ghe-back" aria-label="Go back to see all collections">',
  969.                     '<svg xmlns="http://www.w3.org/2000/svg" width="6.5" height="10" viewBox="0 0 6.5 10"><path d="M5.008 0l1.497 1.504-3.76 3.49 3.743 3.51L4.984 10l-4.99-5.013L5.01 0z"/></svg>',
  970.                   '</span>',
  971.                 '</span>',
  972.               '</div>',
  973.               '<div class="js-select-menu-deferred-content ghe-content">',
  974.                 '<div class="select-menu-list ghe-all-collections"></div>',
  975.                 '<div class="select-menu-list ghe-single-collection"></div>',
  976.               '</div>',
  977.             '</div>',
  978.           '</div>',
  979.           '<div id="ghe-settings">',
  980.             '<div id="ghe-settings-inner" class="boxed-group">',
  981.               '<h3>GitHub Custom Emoji Settings',
  982.               '<svg id="ghe-settings-close" xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="160 160 608 608"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>',
  983.               '</h3>',
  984.               '<div class="boxed-group-inner">',
  985.                 '<form>',
  986.                   '<div class="ghe-settings-wrapper">',
  987.                     '<p>',
  988.                       '<label>Insert as Image:',
  989.                         '<sup class="tooltipped tooltipped-e" aria-label="Or Shift + select the emoji">?</sup>',
  990.                         '<input class="ghe-image ghe-checkbox ghe-right" type="checkbox">',
  991.                       '</label>',
  992.                     '</p>',
  993.                     '<p class="checkbox">',
  994.                       '<label>Case Sensitive <input class="ghe-case ghe-checkbox ghe-right" type="checkbox"></label>',
  995.                     '</p>',
  996.                     '<div class="ghe-slider-wrapper">',
  997.                       '<div class="ghe-range-slider">',
  998.                         '<input type="text" class="ghe-height" value="" />',
  999.                       '</div>',
  1000.                       '<label>Emoji Height',
  1001.                         '<sup class="tooltipped tooltipped-e" aria-label="Set emoji minimum & maximum&#10;height in pixels">?</sup>',
  1002.                       '</label>',
  1003.                     '</div>',
  1004.                     '<div class="ghe-slider-wrapper">',
  1005.                       '<div class="ghe-zoom-slider">',
  1006.                         '<input class="ghe-zoom ghe-right" type="text">',
  1007.                       '</div>',
  1008.                       '<label>Emoji Zoom',
  1009.                         '<sup class="tooltipped tooltipped-e" aria-label="Set Emoji zoom factor&#10;while actively clicked">?</sup>',
  1010.                       '</label>',
  1011.                     '</div>',
  1012.                     '<p>',
  1013.                       '<hr>',
  1014.                       '<h3>Sources',
  1015.                         '<a href="https://github.com/StylishThemes/GitHub-Custom-Emojis/wiki/Add-Emojis" class="tooltipped tooltipped-e tooltipped-multiline" aria-label="Click to get more details on how to set up an Emoji source JSON file">',
  1016.                           '<sup>?</sup>',
  1017.                         '</a>',
  1018.                       '</h3>',
  1019.                       '<div class="ghe-sources"></div>',
  1020.                     '</p>',
  1021.                   '</div>',
  1022.                   '<div class="ghe-footer">',
  1023.                     '<div class="btn-group">',
  1024.                       '<a href="#" id="ghe-add-source" class="btn btn-sm">Add Source</a>',
  1025.                       '<a href="#" id="ghe-refresh-sources" class="btn btn-sm">Refresh Sources</a>&nbsp;',
  1026.                     '</div>',
  1027.                     '<a href="#" id="ghe-restore" class="btn btn-sm btn-danger tooltipped tooltipped-n ghe-right" aria-label="Default sources are restored;&#10;other source will remain">Restore Defaults</a>',
  1028.                   '</div>',
  1029.                 '</form>',
  1030.               '</div>',
  1031.             '</div>',
  1032.           '</div>',
  1033.         '</div>'
  1034.       ].join(''));
  1035.     },
  1036.  
  1037.     // JSON source inputs
  1038.     sourceHTML : [
  1039.       '<div class="ghe-source">',
  1040.         '<input class="ghe-source-input" type="text" value="" placeholder="Add JSON sources only">',
  1041.         '<a href="#" class="ghe-remove btn btn-sm btn-danger">',
  1042.           '<svg class="ghe-remove-icon" xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="160 160 608 608" fill="currentColor"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>',
  1043.         '</a>',
  1044.       '</div>'
  1045.     ].join(''),
  1046.  
  1047.     setRegex : function() {
  1048.       var isCS = this.settings.caseSensitive,
  1049.         // parts = [':_', ':']
  1050.         imgParts = this.vars.emojiImgTemplate.split('${name}'),
  1051.         txtParts = this.vars.emojiTxtTemplate.split('${name}');
  1052.  
  1053.       // filter = /:_([a-zA-Z\u00c0-\u00ff0-9_,'.+-]*)$|:_([^\x00-\xff]*)$/gi
  1054.       // used by atwho.js autocomplete
  1055.       this.regex.emojiImgFilter = new RegExp(
  1056.         imgParts[0] + '([a-zA-Z\u00c0-\u00ff0-9_,\'\.\+\-]*)$|' +
  1057.         imgParts[0] + '([^\\x00-\\xff]*)$',
  1058.         (isCS ? 'g' : 'gi')
  1059.       );
  1060.  
  1061.       this.regex.emojiTxtFilter = new RegExp(
  1062.         txtParts[0] + '([a-zA-Z\u00c0-\u00ff0-9_,\'\.\+\-]*)$|' +
  1063.         txtParts[0] + '([^\\x00-\\xff]*)$',
  1064.         (isCS ? 'g' : 'gi')
  1065.       );
  1066.  
  1067.       // used by search & replace
  1068.       this.regex.nameRegex = new RegExp(
  1069.         imgParts[0] + '([\\w_]+)' + imgParts[1],
  1070.         (isCS ? 'g' : 'gi')
  1071.       );
  1072.     },
  1073.  
  1074.     init : function() {
  1075.       debug('GitHub-Emoji Script initializing!');
  1076.  
  1077.       // add style tag to head
  1078.       this.$style = $('<style class="ghe-style">').appendTo('head');
  1079.  
  1080.       this.getStoredValues();
  1081.       this.loadEmojiJson();
  1082.       this.updateStyleSheet();
  1083.       this.isUpdating = true;
  1084.       // regex based on case sensitive setting
  1085.       this.setRegex();
  1086.  
  1087.       var targets = document.querySelectorAll(this.containers.join(','));
  1088.       Array.prototype.forEach.call(targets, function(target) {
  1089.         new MutationObserver(function(mutations) {
  1090.           mutations.forEach(function(mutation) {
  1091.             // preform checks before adding code wrap to minimize function calls
  1092.             if (mutation.target === target && !$.isEmptyObject(ghe.collections) &&
  1093.               !(ghe.isUpdating || target.querySelector('.ghe-processed'))) {
  1094.               ghe.update();
  1095.             }
  1096.           });
  1097.         }).observe(target, {
  1098.           childList : true,
  1099.           subtree : true
  1100.         });
  1101.       });
  1102.  
  1103.       this.addPanels();
  1104.  
  1105.       // Add emoji autocomplete & watch for preview rendering
  1106.       this.addToolbarIcon();
  1107.       this.addBindings();
  1108.       // update panel values after bindings (rangeslider)
  1109.       this.setStoredValues();
  1110.  
  1111.       // checkPage clears isUpdating flag
  1112.       this.checkPage();
  1113.     }
  1114.   };
  1115.  
  1116.   // add style at document-start
  1117.   ghe.init();
  1118.  
  1119.   // include a "?debug" anywhere in the browser URL to enable debugging
  1120.   function debug() {
  1121.     if (/\?debug/.test(window.location.href)) {
  1122.       console.log.apply(console, arguments);
  1123.     }
  1124.   }
  1125. })(jQuery.noConflict(true));