☰

GitHub Custom Emojis

Add custom emojis from json source

目前為 2016-03-30 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name         GitHub Custom Emojis
  3. // @version      0.2.2
  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. // @run-at       document-end
  13. // @require      https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js
  14. // @require      https://greasyfork.org/scripts/16936-ichord-caret-js/code/ichord-Caretjs.js?version=106431
  15. // @require      https://greasyfork.org/scripts/16996-ichord-at-js-mod/code/ichord-Atjs-mod.js?version=109194
  16. // @require      https://cdnjs.cloudflare.com/ajax/libs/ion-rangeslider/2.1.2/js/ion.rangeSlider.min.js
  17. // ==/UserScript==
  18. /* global jQuery, GM_addStyle, GM_getValue, GM_setValue, GM_xmlhttpRequest, GM_info */
  19. /* eslint-disable indent, quotes */
  20. (function($) {
  21.   'use strict';
  22.  
  23.   var ghe = {
  24.  
  25.     version : GM_info.script.version,
  26.  
  27.     vars : {
  28.       // delay until package.json allowed to load
  29.       delay : 8.64e7, // 24 hours in milliseconds
  30.  
  31.       // base url to fetch package.json
  32.       root : 'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/',
  33.       emojiClass : 'ghe-custom-emoji',
  34.       emojiTxtTemplate : '~${name}',
  35.       emojiImgTemplate : ':_${name}:',
  36.       maxEmojiZoom : 3,
  37.       maxEmojiHeight : 150,
  38.  
  39.       // Keyboard shortcut to open panel
  40.       keyboardOpen : 'g+=',
  41.       keyboardDelay : 1000
  42.     },
  43.  
  44.     regex : {
  45.       // nodes to skip while traversing the dom
  46.       skipElm    : /^(script|style|svg|iframe|br|meta|link|textarea|input|code|pre)$/i,
  47.       // emoji template
  48.       template   : /\$\{name\}/,
  49.       // character to escape in regex
  50.       charsToEsc : /[-\/\\^$*+?.()|[\]{}]/g
  51.     },
  52.  
  53.     defaults : {
  54.       activeZoom    : 1.8,
  55.       caseSensitive : false,
  56.       rangeHeight   : '20;40', // min;max as set by ion.rangeSlider
  57.       insertAsImage : false,
  58.       // emoji json sources
  59.       sources : [
  60.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-custom.json',
  61.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-crazy-rabbit.json',
  62.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-onion-head.json',
  63.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-unicode.json',
  64.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-custom-text.json'
  65.       ]
  66.     },
  67.  
  68.     // emoji json stored here
  69.     collections : {},
  70.  
  71.     // GitHub ajax containers
  72.     containers : [
  73.       '#js-pjax-container',
  74.       '#js-repo-pjax-container',
  75.       '.js-contribution-activity',
  76.       '.more-repos', // loading "more" of "Your repositories"
  77.       '#dashboard .news', // loading "more" news
  78.       '.js-preview-body' // comment previews
  79.     ],
  80.  
  81.     // promises used when loading JSON
  82.     promises : {},
  83.  
  84.     getStoredValues : function() {
  85.       var defaults = this.defaults;
  86.       this.settings = {
  87.         rangeHeight   : GM_getValue('rangeHeight',   defaults.rangeHeight),
  88.         activeZoom    : GM_getValue('activeZoom',    defaults.activeZoom),
  89.         caseSensitive : GM_getValue('caseSensitive', defaults.caseSensitive),
  90.         insertAsImage : GM_getValue('insertAsImage', defaults.insertAsImage),
  91.         sources       : GM_getValue('sources',       defaults.sources),
  92.  
  93.         date          : GM_getValue('date', 0)
  94.       };
  95.  
  96.       this.collections = GM_getValue('collections', {});
  97.  
  98.       debug('Retrieved stored values & collections', this.settings, this.collections);
  99.     },
  100.  
  101.     storeVal : function(key, set, $el) {
  102.       var tmp,
  103.         val = set[key];
  104.       GM_setValue(key, val);
  105.       if (typeof val === 'boolean') {
  106.         $el.prop('checked', val);
  107.       } else {
  108.         $el.val(val);
  109.       }
  110.       // update sliders
  111.       if ($el.hasClass('ghe-height')) {
  112.         tmp = val.split(';');
  113.         $el.data('ionRangeSlider').update({
  114.           from: tmp[0],
  115.           to: tmp[1]
  116.         });
  117.       } else if ($el.hasClass('ghe-zoom')) {
  118.         $el.data('ionRangeSlider').update({
  119.           from: val
  120.         });
  121.       }
  122.     },
  123.  
  124.     setStoredValues : function(reset) {
  125.       var $el, tmp, len, indx,
  126.         s = ghe.settings,
  127.         d = ghe.defaults,
  128.         $panel = $('#ghe-settings-inner');
  129.  
  130.       ghe.busy = true;
  131.       ghe.storeVal('caseSensitive', reset ? d : s, $panel.find('.ghe-case'));
  132.       ghe.storeVal('insertAsImage', reset ? d : s, $panel.find('.ghe-image'));
  133.       ghe.storeVal('activeZoom',    reset ? d : s, $panel.find('.ghe-zoom'));
  134.       ghe.storeVal('rangeHeight',   reset ? d : s, $panel.find('.ghe-height'));
  135.  
  136.       GM_setValue('collections', this.collections);
  137.       GM_setValue('date', s.date);
  138.  
  139.       if (reset) {
  140.         // add defaults back into source list; but don't remove any new stuff
  141.         len = d.sources.length;
  142.         for (indx = 0; indx < len; indx++) {
  143.           if (s.sources.indexOf(d.sources[indx]) < 0) {
  144.             s.sources[s.sources.length] = d.sources[indx];
  145.           }
  146.         }
  147.       } else if (reset === false) {
  148.         // Refresh sources, so clear out collections
  149.         this.collections = {};
  150.       }
  151.       tmp = s.sources;
  152.       len = tmp.length;
  153.       GM_setValue('sources', tmp);
  154.       for (indx = 0; indx < len; indx++) {
  155.         if ($panel.find('.ghe-source').eq(indx).length) {
  156.           $el = $panel
  157.             .find('.ghe-source-input')
  158.             .eq(indx)
  159.             .attr('data-url', tmp[indx]);
  160.         } else {
  161.           $el = $(ghe.sourceHTML)
  162.             .appendTo($panel.find('.ghe-sources'))
  163.             .find('.ghe-source-input')
  164.             .attr('data-url', tmp[indx]);
  165.         }
  166.         // only show file name when not focused
  167.         ghe.showFileName($el);
  168.       }
  169.       // remove extras
  170.       $panel.find('.ghe-source').filter(':gt(' + len + ')').remove();
  171.       if (reset) {
  172.         this.updateSettings();
  173.       }
  174.       if (typeof reset === 'boolean') {
  175.         // reset autocomplete after refresh or restore so we're using the
  176.         // most up-to-date collection data
  177.         $('.comment-form-textarea').atwho('destroy');
  178.       }
  179.       debug((reset ? 'Resetting' : 'Saving') + ' current values & updating panel', s);
  180.       ghe.busy = false;
  181.     },
  182.  
  183.     updateSettings : function() {
  184.       this.isUpdating = true;
  185.       var settings = this.settings,
  186.         $panel = $('#ghe-settings-inner');
  187.       settings.rangeHeight   = $panel.find('.ghe-height').val();
  188.       settings.activeZoom    = $panel.find('.ghe-zoom').val();
  189.       settings.insertAsImage = $panel.find('.ghe-image').is(':checked');
  190.       settings.caseSensitive = $panel.find('.ghe-case').is(':checked');
  191.       settings.sources = $panel.find('.ghe-source-input').map(function() {
  192.         return $(this).attr('data-url');
  193.       }).get();
  194.  
  195.       // update case-sensitive regex
  196.       this.setRegex();
  197.  
  198.       debug('Updating user settings', settings);
  199.       this.updateStyleSheet();
  200.       this.isUpdating = false;
  201.     },
  202.  
  203.     loadEmojiJson : function(update) {
  204.       // only load emoji.json once a day, or after a forced update
  205.       if (update || (new Date().getTime() > this.settings.date + this.vars.delay)) {
  206.         var indx,
  207.           promises = [],
  208.           sources = this.settings.sources,
  209.           len = sources.length;
  210.         for (indx = 0; indx < len; indx++) {
  211.           promises[promises.length] = this.fetchCustomEmojis(sources[indx]);
  212.         }
  213.         $.when.apply(null, promises).done(function() {
  214.           ghe.checkPage();
  215.           ghe.promises = [];
  216.           ghe.settings.date = new Date().getTime();
  217.           GM_setValue('date', ghe.settings.date);
  218.           GM_setValue('collections', ghe.collections);
  219.         });
  220.       }
  221.     },
  222.  
  223.     fetchCustomEmojis : function(url) {
  224.       if (!this.promises[url]) {
  225.         this.promises[url] = $.Deferred(function(defer) {
  226.           debug('Fetching custom emoji list', url);
  227.           GM_xmlhttpRequest({
  228.             method : 'GET',
  229.             url : url,
  230.             onload : function(response) {
  231.               var json = false;
  232.               try {
  233.                 json = JSON.parse(response.responseText);
  234.               } catch (err) {
  235.                 debug('Invalid JSON', url);
  236.                 return defer.reject();
  237.               }
  238.               if (json && json[0].name) {
  239.                 // save url to make removing the entry easier
  240.                 json[0].url = url;
  241.                 ghe.collections[json[0].name] = json;
  242.                 debug('Adding "' + json[0].name + '" Emoji Collection');
  243.               }
  244.               return defer.resolve();
  245.             }
  246.           });
  247.         }).promise();
  248.       }
  249.       return this.promises[url];
  250.     },
  251.  
  252.     // Using: document.evaluate('//*[text()[contains(.,":_")]]', document.body, null,
  253.     //   XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null).snapshotItem(0);
  254.     // to find matching content as it is much faster than scanning each node
  255.     checkPage : function() {
  256.       this.isUpdating = true;
  257.       var node,
  258.         indx = 0,
  259.         parts = this.vars.emojiImgTemplate.split('${name}'), // parts = [':_', ':']
  260.         // adding "//" starts from document, so if node is defined, don't
  261.         // include it so the search starts from the node
  262.         path = '//*[text()[contains(.,"' + parts[0] + '")]]',
  263.         nodes = document.evaluate(path, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null),
  264.         len = nodes.snapshotLength;
  265.       try {
  266.         node = nodes.snapshotItem(indx);
  267.         while (node && indx++ < len) {
  268.           if (!ghe.regex.skipElm.test(node.nodeName)) {
  269.             ghe.findEmoji(node);
  270.           }
  271.           node = nodes.snapshotItem(indx);
  272.         }
  273.       } catch (e) {
  274.         debug('Nothing to replace!', e);
  275.       }
  276.       this.isUpdating = false;
  277.     },
  278.  
  279.     findEmoji : function(node) {
  280.       var indx, len, group, match, matchesLen, name,
  281.         regex = ghe.regex.nameRegex,
  282.         matches = [],
  283.         emojis = this.collections,
  284.         str = node.textContent;
  285.       while ((match = regex.exec(str)) !== null) {
  286.         matches[matches.length] = match[1];
  287.       }
  288.       if (matches && matches[0]) {
  289.         matchesLen = matches.length;
  290.         for (group in emojis) {
  291.           // cycle through the collections (except text type)
  292.           if (emojis.hasOwnProperty(group) && emojis[group][0].type !== 'text') {
  293.             len = emojis[group].length;
  294.             for (indx = 1; indx < len; indx++) {
  295.               name = emojis[group][indx].name;
  296.               for (match = 0; match < matchesLen; match++) {
  297.                 if (name === matches[match]) {
  298.                   debug('found "' + matches[match] + '" in "' + node.textContent + '"');
  299.                   ghe.replaceText(node, emojis[group][indx]);
  300.                 }
  301.               }
  302.             }
  303.           }
  304.         }
  305.       }
  306.     },
  307.  
  308.     replaceText : function(node, emoji) {
  309.       var data, pos, imgnode, middlebit, endbit,
  310.         isCased = this.settings.caseSensitive,
  311.         name = this.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name),
  312.         skip = 0;
  313.       name = isCased ? name : name.toUpperCase();
  314.       // Code modified from highlight-5 (MIT license)
  315.       // http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html
  316.       if (node.nodeType === 3) {
  317.         data = isCased ? node.data : node.data.toUpperCase();
  318.         pos = data.indexOf(name);
  319.         pos -= (data.substr(0, pos).length - node.data.substr(0, pos).length);
  320.         if (pos >= 0) {
  321.           imgnode = ghe.createEmoji(emoji);
  322.           middlebit = node.splitText(pos);
  323.           endbit = middlebit.splitText(name.length);
  324.           middlebit.parentNode.replaceChild(imgnode, middlebit);
  325.           skip = 1;
  326.         }
  327.       } else if (node.nodeType === 1 && node.childNodes) {
  328.         for (var i = 0; i < node.childNodes.length; ++i) {
  329.           i += ghe.replaceText(node.childNodes[i], emoji);
  330.         }
  331.       }
  332.       return skip;
  333.     },
  334.  
  335.     // This function does the surrounding for every matched piece of text
  336.     // and can be customized  to do what you like
  337.     // <img class="emoji" title=":smile:" alt=":smile:" src="x.png" height="20" width="20" align="absmiddle">
  338.     createEmoji : function(emoji) {
  339.       var el = document.createElement('img');
  340.       el.src = emoji.url;
  341.       el.className = ghe.vars.emojiClass + ' emoji';
  342.       el.title = el.alt = ghe.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name);
  343.       // el.align = 'absmiddle'; // deprecated attribute
  344.       return el;
  345.     },
  346.  
  347.     // used by autocomplete (atwho) filter function
  348.     matches : function(query, labels) {
  349.       if (query === '') {
  350.         return 1;
  351.       }
  352.       labels = labels || '';
  353.       var i, partial,
  354.         count = 0,
  355.         isCS = this.settings.caseSensitive,
  356.         arry = (isCS ? labels : labels.toUpperCase()).split(/[\s,_]+/),
  357.         parts = (isCS ? query : query.toUpperCase()).split(/[,_]/),
  358.         len = parts.length;
  359.       for (i = 0; i < len; i++) {
  360.         // full match or partial
  361.         partial = arry.join('_').indexOf(parts.join('_'));
  362.         if (arry.indexOf(parts[i]) > -1 || partial > -1) {
  363.           count++;
  364.         }
  365.         // give more weight to results with indexOf closer to zero
  366.         if (partial > -1 && partial < len / 2) {
  367.           count++;
  368.         }
  369.       }
  370.       // return fraction of query matches
  371.       return count / len;
  372.     },
  373.  
  374.     emojiSort : function(a, b) {
  375.       return a.name > b.name ? 1 : a.name < b.name ? -1 : 0;
  376.     },
  377.  
  378.     // init when comment textarea is focused
  379.     initAutocomplete : function($el) {
  380.       if (!$el.data('atwho')) {
  381.         var indx, imgLen, txtLen, name, group,
  382.           text = [],
  383.           data = [];
  384.         // combine data
  385.         for (name in ghe.collections) {
  386.           if (ghe.collections.hasOwnProperty(name)) {
  387.             group = ghe.collections[name].slice(1);
  388.             if (ghe.collections[name][0].type === 'text') {
  389.               text = text.concat(group);
  390.             } else {
  391.               data = data.concat(group);
  392.             }
  393.           }
  394.         }
  395.         imgLen = data.length;
  396.         if (imgLen) {
  397.           // alphabetic sort
  398.           data = data.sort(ghe.emojiSort);
  399.           // add prepend name to labels
  400.           for (indx = 0; indx < imgLen; indx++) {
  401.             data[indx].labels = data[indx].name.replace(/_/g, ' ') + ' ' + data[indx].labels;
  402.           }
  403.           // add emoji autocomplete to comment textareas
  404.           $el.atwho({
  405.             // first two characters from emojiImgTemplate
  406.             at : ghe.vars.emojiImgTemplate.split('${name}')[0],
  407.             data : data,
  408.             searchKey: 'labels',
  409.             displayTpl : '<li><span><img src="${url}" height="30" /></span>${name}</li>',
  410.             insertTpl : ghe.vars.emojiImgTemplate,
  411.             delay : 400,
  412.             callbacks : {
  413.               matcher: function(flag, subtext) {
  414.                 var regexp = ghe.regex.emojiImgFilter,
  415.                   match = regexp.exec(subtext);
  416.                 // this next line does some magic...
  417.                 // for some reason, without it, moving the caret from "p" to "r" in
  418.                 // ":_people,fear," opens & closes the popup with each letter typed
  419.                 subtext.match(regexp);
  420.                 if (match) {
  421.                   return match[2] || match[1];
  422.                 } else {
  423.                   return null;
  424.                 }
  425.               },
  426.               filter: function(query, data, searchKey) {
  427.                 var i, item,
  428.                   len = data.length,
  429.                   _results = [];
  430.                 for (i = 0; i < len; i++) {
  431.                   item = data[i];
  432.                   item.atwho_order = ghe.matches(query, item[searchKey]);
  433.                   if (item.atwho_order > 0.9) {
  434.                     _results[_results.length] = item;
  435.                   }
  436.                 }
  437.                 return query === '' ? _results : _results.sort(function(a, b) {
  438.                   // descending sort
  439.                   return b.atwho_order - a.atwho_order;
  440.                 });
  441.               },
  442.               sorter: function(query, items) {
  443.                 // sorted by filter
  444.                 return items;
  445.               },
  446.               // event parameter adding in atwho.js mod
  447.               beforeInsert: function(value, $li, event) {
  448.                 if (event.shiftKey || ghe.settings.insertAsImage) {
  449.                   // add image tag directly if shift is held
  450.                   return '<img title="' +
  451.                     ghe.vars.emojiImgTemplate.replace(ghe.regex.template, $li.text()) +
  452.                     '" src="' + $li.find('img').attr('src') + '">';
  453.                 }
  454.                 return value;
  455.               }
  456.             }
  457.           });
  458.         }
  459.  
  460.         txtLen = text.length;
  461.         if (txtLen) {
  462.           // alphabetic sort
  463.           text = text.sort(ghe.emojiSort);
  464.           $el.atwho({
  465.             at : ghe.vars.emojiTxtTemplate.split('${name}')[0],
  466.             data : text,
  467.             searchKey: 'name',
  468.             // add data-emoji because of Emoji-One Chrome extension adds
  469.             // hidden text and an svg image inside the span
  470.             displayTpl : '<li data-emoji="${text}"><span class="ghe-text">${text}</span>${name}</li>',
  471.             insertTpl : ghe.vars.emojiTxtTemplate,
  472.             delay : 400,
  473.             callbacks : {
  474.               matcher: function(flag, subtext) {
  475.                 var regexp = ghe.regex.emojiTxtFilter,
  476.                   match = regexp.exec(subtext);
  477.                 // this next line does some magic...
  478.                 subtext.match(regexp);
  479.                 if (match) {
  480.                   return match[2] || match[1];
  481.                 } else {
  482.                   return null;
  483.                 }
  484.               },
  485.               filter: function(query, data, searchKey) {
  486.                 var i, item,
  487.                   len = data.length,
  488.                   _results = [];
  489.                 for (i = 0; i < len; i++) {
  490.                   item = data[i];
  491.                   item.atwho_order = ghe.matches(query, item[searchKey]);
  492.                   if (item.atwho_order > 0.9) {
  493.                     _results[_results.length] = item;
  494.                   }
  495.                 }
  496.                 return query === '' ? _results : _results.sort(function(a, b) {
  497.                   // descending sort
  498.                   return b.atwho_order - a.atwho_order;
  499.                 });
  500.               },
  501.               sorter: function(query, items) {
  502.                 // sorted by filter
  503.                 return items;
  504.               },
  505.               // event parameter adding in atwho.js mod
  506.               beforeInsert: function(value, $li, event) {
  507.                 return $li.attr('data-emoji');
  508.               }
  509.             }
  510.           });
  511.         }
  512.         // use classes from GitHub-Dark to make theme match GitHub-Dark
  513.         $('.atwho-view').addClass('popover suggester');
  514.       }
  515.     },
  516.  
  517.     addToolbarIcon : function() {
  518.       // add Emoji setting icons
  519.       var indx, $el,
  520.         $toolbars = $('.toolbar-commenting'),
  521.         len = $toolbars.length;
  522.       for (indx = 0; indx < len; indx++) {
  523.         $el = $toolbars.eq(indx);
  524.         if (!$el.find('.ghe-settings-icon').length) {
  525.           $el.prepend([
  526.             '<button type="button" class="ghe-settings-open toolbar-item tooltipped tooltipped-n tooltipped-multiline" aria-label="Browse collections & Set Emojis Options" tabindex="-1">',
  527.               '<svg class="ghe-settings-icon" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor">',
  528.                 '<path d="M7.205 3.233c0 .952-.753 1.73-1.722 1.73-.953 0-1.707-.793-1.707-1.73 0-.937.762-1.73 1.707-1.73.97 0 1.73.793 1.73 1.73h-.008zm6.904 0c0 .952-.794 1.73-1.747 1.73-.95 0-1.722-.793-1.722-1.73 0-.937.795-1.73 1.73-1.73.938 0 1.747.793 1.747 1.73h-.008zM7.204 10.1v5.19c0 1.728 6.904 1.728 6.904 0V10.1M10.642 10.1v3.46"/>',
  529.                 '<path d="M.878 8.777s3.167 1.893 8.002 1.92c4.365.02 8.135-1.92 8.135-1.92"/>',
  530.               '</svg>',
  531.             '</button>'
  532.           ].join(''));
  533.         }
  534.       }
  535.     },
  536.  
  537.     // dynamic stylesheet
  538.     updateStyleSheet : function() {
  539.       var range = this.settings.rangeHeight.split(';');
  540.       ghe.$style.text([
  541.         // img styling - vertically center with set height range
  542.         '.atwho-view li img, #ghe-popup .select-menu-item img, img[alt="ghe-emoji"], .' +
  543.           this.vars.emojiClass + ' { ' +
  544.           'margin-bottom:.25em; vertical-align:middle; ' +
  545.           'min-height: ' + (range[0] || 'none') + 'px;' +
  546.           'max-height: ' + (range[1] || 'none') + 'px }',
  547.         // click (make active) on image to zoom
  548.         '.' + this.vars.emojiClass + ':active, a:active img[alt="ghe-emoji"] { zoom:' +
  549.           this.settings.activeZoom + ' }'
  550.       ].join(''));
  551.     },
  552.  
  553.     addBindings : function() {
  554.       var lastKey,
  555.         $popup = $('#ghe-popup'),
  556.         $settings = $('#ghe-settings');
  557.       // Delegated bindings
  558.       $('body')
  559.         .on('click', '.ghe-settings-open', function() {
  560.           // open all collections panel
  561.           ghe.openCollections($(this));
  562.           return false;
  563.         })
  564.         .on('click', '.ghe-collection', function() {
  565.           // open targeted collection
  566.           var name = $(this).attr('data-group');
  567.           ghe.showCollection(name);
  568.         })
  569.         .on('click', '.ghe-emoji', function(e) {
  570.           // click on emoji in collection to add to textarea
  571.           ghe.addEmoji(e, $(this));
  572.         })
  573.         .on('click keypress keydown', function(e) {
  574.           clearTimeout(ghe.timer);
  575.           var panelVisible = $popup.hasClass('in') || $settings.hasClass('in'),
  576.             openPanel = ghe.vars.keyboardOpen.split('+'),
  577.             key = String.fromCharCode(e.which).toLowerCase();
  578.           // press escape or click outside to close the panel
  579.           if (panelVisible && e.which === 27 || e.type === 'click' && !$(e.target).closest('#ghe-wrapper').length) {
  580.             ghe.closePanels();
  581.             return;
  582.           }
  583.           // keydown is only needed for escape key detection
  584.           if (e.type === 'keydown' || /(input|textarea)/i.test(document.activeElement.nodeName)) {
  585.             return;
  586.           }
  587.           // shortcut keys need keypress
  588.           if (lastKey === openPanel[0] && key === openPanel[1]) {
  589.             if ($settings.hasClass('in')) {
  590.               ghe.closePanels();
  591.             } else {
  592.               ghe.openSettings();
  593.             }
  594.           }
  595.           lastKey = key;
  596.           ghe.timer = setTimeout(function() {
  597.             lastKey = null;
  598.           }, ghe.vars.keyboardDelay);
  599.  
  600.           // add shortcut to help menu
  601.           if (key === '?') {
  602.             // table doesn't exist until user presses "?"
  603.             setTimeout(function() {
  604.               if (!$('.ghe-shortcut').length) {
  605.                 $('.keyboard-mappings:eq(0) tbody:eq(0)').append([
  606.                   '<tr class="ghe-shortcut">',
  607.                     '<td class="keys">',
  608.                       '<kbd>' + openPanel[0] + '</kbd> <kbd>' + openPanel[1] + '</kbd>',
  609.                     '</td>',
  610.                     '<td>GitHub Emojis: open settings</td>',
  611.                   '</tr>'
  612.                 ].join(''));
  613.               }
  614.             }, 300);
  615.           }
  616.         });
  617.  
  618.       // popup & settings interactions
  619.       $('#ghe-popup .octicon-gear').on('click keyup', function(e) {
  620.         if (e.type === 'keyup' && e.which !== 13) {
  621.           return;
  622.         }
  623.         ghe.openSettings();
  624.       });
  625.       $('#ghe-settings, #ghe-settings-close, #ghe-settings-inner').on('click', function(e) {
  626.         if (this.id === 'ghe-settings-inner') {
  627.           e.stopPropagation();
  628.         } else {
  629.           ghe.closePanels();
  630.         }
  631.       });
  632.       // ghe-checkbox added to checkboxes
  633.       $('.ghe-checkbox').on('change', function() {
  634.         ghe.updateSettings();
  635.       });
  636.       // go back - switch from single collection to showing all collections
  637.       $('#ghe-popup .ghe-back').on('click', function() {
  638.         $('.ghe-single-collection, .ghe-back').hide();
  639.         $('.ghe-all-collections').show();
  640.       });
  641.  
  642.       // add new source input
  643.       $('#ghe-add-source').on('click', function() {
  644.         var $panel = $('#ghe-settings-inner');
  645.         // lets not get crazy!
  646.         if ($panel.find('.ghe-source').length < 20) {
  647.           $(ghe.sourceHTML).appendTo($panel.find('.ghe-sources'));
  648.         }
  649.         return false;
  650.       });
  651.       $('#ghe-refresh-sources, #ghe-restore').on('click', function() {
  652.         // update sources from settings panel
  653.         ghe.setStoredValues(this.id === 'ghe-restore');
  654.         // load json files
  655.         ghe.loadEmojiJson(true);
  656.         return false;
  657.       });
  658.  
  659.       // Init range slider
  660.       $('.ghe-height')
  661.         .val(ghe.settings.rangeHeight)
  662.         .ionRangeSlider({
  663.           type : 'double',
  664.           min  : 0,
  665.           max  : ghe.vars.maxEmojiHeight,
  666.           onChange : function() {
  667.             ghe.updateSettings();
  668.           },
  669.           force_edges : true,
  670.           hide_min_max : true
  671.         });
  672.       $('.ghe-zoom')
  673.         .val(ghe.settings.activeZoom)
  674.         .ionRangeSlider({
  675.           min  : 0,
  676.           max  : ghe.vars.maxEmojiZoom,
  677.           step : 0.1,
  678.           onChange : function() {
  679.             ghe.updateSettings();
  680.           },
  681.           force_edges : true,
  682.           hide_min_max : true
  683.         });
  684.  
  685.       // Remove source input - delegated binding
  686.       $('.ghe-settings-wrapper')
  687.         .on('click', '.ghe-remove', function() {
  688.           var $wrapper = $(this).closest('.ghe-source'),
  689.             url = $wrapper.find('.ghe-source-input').attr('data-url');
  690.           ghe.removeSource(url);
  691.           $wrapper.remove();
  692.           ghe.setStoredValues();
  693.           return false;
  694.         })
  695.         .on('focus blur input change', '.ghe-source-input', function(e) {
  696.           if (ghe.busy) { return; }
  697.           ghe.busy = true;
  698.           var val,
  699.             $this = $(this);
  700.           switch (e.type) {
  701.             case 'focus':
  702.             case 'focusin':
  703.               // show entire url when focused
  704.               $this.val($this.attr('data-url'));
  705.               break;
  706.             case 'blur':
  707.             case 'focusout':
  708.               ghe.showFileName($this);
  709.               break;
  710.             default:
  711.               $this.attr('data-url', $this.val());
  712.           }
  713.           if (e.type === 'change' || e.which === 13) {
  714.             val = $this.val();
  715.             $this.attr('data-url', val);
  716.             ghe.fetchCustomEmojis(val);
  717.           }
  718.           ghe.busy = false;
  719.         });
  720.  
  721.       // initialize autocomplete that add emojis, but only on focus
  722.       // since every comment has a hidden textarea
  723.       $('body').on('focus', '.comment-form-textarea', function() {
  724.         ghe.initAutocomplete($(this));
  725.       });
  726.     },
  727.  
  728.     showFileName : function($el) {
  729.       var str = $el.attr('data-url'),
  730.         v = str.substring(str.lastIndexOf('/') + 1, str.length);
  731.       // show only the file name in the input when blurred
  732.       // unless there is no file name
  733.       $el.val(v === '' ? str : '...' + v);
  734.     },
  735.  
  736.     closePanels : function() {
  737.       $('#ghe-popup').removeClass('in');
  738.       $('#ghe-settings').removeClass('in');
  739.       ghe.$currentInput = null;
  740.     },
  741.  
  742.     openSettings : function() {
  743.       $('.modal-backdrop').click();
  744.       $('#ghe-settings').addClass('in');
  745.     },
  746.  
  747.     openCollections : function($el) {
  748.       ghe.addCollections();
  749.       var pos = $el.offset();
  750.       $('#ghe-settings').removeClass('in');
  751.       $('#ghe-popup')
  752.         .addClass('in')
  753.         .css({
  754.           left: pos.left + 25,
  755.           top: pos.top
  756.         });
  757.       ghe.$currentInput = $el.closest('.previewable-comment-form').find('.comment-form-textarea');
  758.     },
  759.  
  760.     addCollections : function() {
  761.       var indx, len, key, group, item, emoji,
  762.         collections = ghe.collections,
  763.         range = ghe.settings.rangeHeight.split(';'),
  764.         list = [],
  765.         items = [];
  766.       // build collections list -
  767.       for (key in collections) {
  768.         if (collections.hasOwnProperty(key)) {
  769.           list[list.length] = key;
  770.         }
  771.       }
  772.       list = list.sort(function(a, b) {
  773.         return a > b ? 1 : (a < b ? -1 : 0);
  774.       });
  775.       len = list.length;
  776.       // add random image from group
  777.       for (indx = 0; indx < len; indx++) {
  778.         group = collections[list[indx]];
  779.         // random image (skip first entry)
  780.         item = Math.round(Math.random() * (group.length - 2)) + 1;
  781.         emoji = group[item];
  782.         items[items.length] = '<div class="select-menu-item js-navigation-item ghe-collection' +
  783.           (emoji.url ? '' : ' ghe-text-collection') +
  784.           '" data-group="' + list[indx] + '">' +
  785.           // collection info stored in first entry
  786.           group[0].name + ' <span class="ghe-right' +
  787.           (emoji.url ?
  788.             // images
  789.             '"><img src="' + emoji.url + '" title="' +
  790.             ghe.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name) + '" style="' +
  791.             'min-height:' + (range[0] || 'none') + 'px;' +
  792.             'max-height:' + (range[1] || 'none') + 'px;">' :
  793.             // text
  794.             ' ghe-text" title="' + emoji.name + '" style="font-size:' + group[0].previewSize +
  795.             '">' + emoji.text
  796.            ) + '</span></div>';
  797.       }
  798.       $('.ghe-single-collection, .ghe-back').hide();
  799.       $('.ghe-all-collections').html(items.join('')).show();
  800.     },
  801.  
  802.     showCollection : function(name) {
  803.       var indx, emoji,
  804.         range = ghe.settings.rangeHeight.split(';'),
  805.         group = ghe.collections[name].slice(1).sort(ghe.emojiSort),
  806.         list = [],
  807.         len = group.length;
  808.       for (indx = 1; indx < len; indx++) {
  809.         emoji = group[indx];
  810.         list[indx - 1] = '<div class="select-menu-item js-navigation-item ghe-emoji' +
  811.           (emoji.url ? '' : ' ghe-text-emoji') +
  812.           '" data-name="' + emoji.name + '">' +
  813.           emoji.name + '<span class="ghe-right' +
  814.           (emoji.url ?
  815.             // images
  816.             '"><img src="' + emoji.url + '" style="' +
  817.             'min-height:' + (range[0] || 'none') + 'px;' +
  818.             'max-height:' + (range[1] || 'none') + 'px">' :
  819.             // text type
  820.             ' ghe-text" style="font-size:' + ghe.collections[name][0].previewSize +
  821.             // data-emoji needed because Chrome emoji-one extension adds hidden
  822.             // text inside the span when it replaces the text with an svg
  823.             '" data-emoji="' + emoji.text + '">' + emoji.text
  824.           ) + '</span></div>';
  825.       }
  826.       $('.ghe-all-collections').hide();
  827.       $('.ghe-single-collection').html(list.join('')).show();
  828.       $('.ghe-back').show();
  829.     },
  830.  
  831.     // add emoji from collection
  832.     addEmoji : function(e, $el) {
  833.       var val, emoji,
  834.         $img = $el.find('img'),
  835.         name = $el.attr('data-name'),
  836.         caretPos = ghe.$currentInput.caret('pos');
  837.       if ($img.length) {
  838.         // insert into textarea
  839.         if (e.shiftKey || ghe.settings.insertAsImage) {
  840.           // add image tag directly if shift is held;
  841.           // GitHub does NOT allow class names so we are forced to use alt
  842.           emoji = '<img alt="ghe-emoji" title="' +
  843.             ghe.vars.emojiImgTemplate.replace(ghe.regex.template, name) +
  844.             '" src="' + $el.find('img').attr('src') + '">';
  845.         } else {
  846.           emoji = ghe.vars.emojiImgTemplate.replace(ghe.regex.template, name);
  847.         }
  848.       } else {
  849.         // insert text emoji
  850.         emoji = $el.find('span').attr('data-emoji');
  851.       }
  852.       val = ghe.$currentInput.val();
  853.       ghe.$currentInput
  854.         .val(val.slice(0, caretPos) + emoji + ' ' + val.slice(caretPos))
  855.         .focus()
  856.         .caret('pos', caretPos + emoji.length + 1);
  857.       ghe.closePanels();
  858.     },
  859.  
  860.     removeSource : function(url) {
  861.       var indx,
  862.         list = [],
  863.         collections = this.collections,
  864.         sources = this.settings.sources,
  865.         len = sources.length;
  866.       // remove from source
  867.       for (indx = 0; indx < len; indx++) {
  868.         if (sources[indx] !== url) {
  869.           list[list.length] = sources[indx];
  870.         }
  871.       }
  872.       this.settings.sources = list;
  873.       for (indx in collections) {
  874.         if (collections.hasOwnProperty(indx) && collections[indx][0].url === url) {
  875.           delete collections[indx];
  876.           debug('Removing "' + indx + '" collection', collections);
  877.         }
  878.       }
  879.     },
  880.  
  881.     update : function() {
  882.       this.isUpdating = true;
  883.       this.addToolbarIcon();
  884.       // checkPage clears isUpdating flag
  885.       this.checkPage();
  886.     },
  887.  
  888.     addPanels : function() {
  889.       /* https://github.com/ichord/At.js styles for autocomplete */
  890.       GM_addStyle([
  891.         // settings panel
  892.         '#ghe-menu:hover { cursor:pointer }',
  893.         '#ghe-settings { position:fixed; z-index:65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden }',
  894.         '#ghe-settings.in { opacity:1; visibility:visible; background:rgba(0,0,0,.5) }',
  895.         '#ghe-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; color:#c0c0c0 }',
  896.         '#ghe-settings label { margin-left:.5rem; position:relative; top:-1px }',
  897.         '#ghe-settings .ghe-remove { float:right; margin-top:2px; padding:4px; cursor:pointer }',
  898.         '#ghe-settings .ghe-remove-icon { position:relative; top:3px }',
  899.         '#ghe-settings-close { fill:#666; float:right; cursor:pointer }',
  900.         '#ghe-settings-close:hover { fill:#ccc }',
  901.         '#ghe-settings .ghe-settings-wrapper { max-height:60vh; overflow-y:auto; padding: 1px 10px }',
  902.         '#ghe-settings .ghe-right, #ghe-popup .ghe-right { float:right }',
  903.         '#ghe-settings p { line-height:25px; }',
  904.         '#ghe-settings .checkbox input { margin-top:.35em }',
  905.         '#ghe-settings input[type="checkbox"] { width:16px !important; height:16px !important; border-radius:3px !important }',
  906.         '#ghe-settings .boxed-group-inner { padding:0; }',
  907.         '#ghe-settings .ghe-footer { padding: 10px; border-top: #555 solid 1px; }',
  908.         '#ghe-settings .ghe-min-height, #ghe-settings .ghe-max-height, .ghe-zoom { width: 5em; }',
  909.         '#ghe-settings .ghe-source-input { width: 90%; }',
  910.         '#ghe-settings .ghe-slider-wrapper { height:40px; }',
  911.         '#ghe-settings .ghe-slider-wrapper label { position:relative; top:22px }',
  912.         '#ghe-settings .ghe-range-slider, #ghe-settings .ghe-zoom-slider { position:relative; height:40px; width:250px; float:right }',
  913.  
  914.         // show emoji collections
  915.         '#ghe-popup { display:none }',
  916.         '#ghe-popup .ghe-content, #ghe-popup .ghe-content > div { max-height: 200px }',
  917.         '#ghe-popup .octicon-gear { margin-left:4px }',
  918.         '#ghe-popup .ghe-back svg { height:20px; padding:4px 14px 4px 4px }',
  919.         '#ghe-popup .select-menu-item { font-size:1.1em; font-weight:bold; line-height:40px; padding:8px }',
  920.         '#ghe-popup .select-menu-item.ghe-text-emoji { line-height:inherit; position:relative; padding-right:45px }',
  921.         '#ghe-popup .select-menu-item.ghe-text-emoji .ghe-text { position:absolute; right:10px; top:0 }',
  922.         '#ghe-popup .select-menu-item .ghe-text, .atwho-view .ghe-text { font-size:1.6em }',
  923.         '.ghe-settings-icon, #ghe-popup.in { display:inline-block }',
  924.  
  925.         // autocomplete popup in comment
  926.         '.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 }',
  927.         '.atwho-view .navigation-focus { background:#36f; color:#fff }',
  928.         '.atwho-view .navigation-focus small { color:#fff }',
  929.         '.atwho-view strong { color:#36F }',
  930.         '.atwho-view .navigation-focus strong { color:#fff; font:700 }',
  931.         '.atwho-view ul { list-style:none; padding:0; margin:auto }',
  932.         '.atwho-view ul li { display:block; padding:5px 10px; border-bottom:1px solid #ddd; cursor:pointer }',
  933.         '.atwho-view li span { display:inline-block; min-width:60px; padding-right:4px }',
  934.         '.atwho-view small { font-size:smaller; color:#777; font-weight:400 }',
  935.  
  936.         // rangeSlider
  937.         '.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}',
  938.         '.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}',
  939.         '.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}',
  940.         '.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}',
  941.         '.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}',
  942.         '.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}',
  943.         '.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}',
  944.         '.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}',
  945.         '.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}',
  946.         '.irs{height:40px}.irs-with-grid{height:60px}.irs-line{height:12px;top:25px}.irs-line-left{height:12px;background-position:0 -30px}',
  947.         '.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}',
  948.         '.irs-bar-edge{top:25px;height:12px;width:9px;background-position:0 -90px}.irs-shadow{height:3px;top:34px;background:#000;opacity:.25}',
  949.         '.lt-ie9 .irs-shadow{filter:alpha(opacity=25)}.irs-slider{width:16px;height:18px;top:22px;background-position:0 -120px}',
  950.         '.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}',
  951.         '.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}',
  952.         '.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}',
  953.         '.irs-grid-pol{background:#e1e4e9}.irs-grid-text{color:#999}'
  954.       ].join(''));
  955.  
  956.       // Settings panel markup
  957.       $('body').append([
  958.         '<div id="ghe-wrapper">',
  959.           '<div id="ghe-popup" class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">',
  960.             '<div class="select-menu-modal">',
  961.               '<div class="select-menu-header">',
  962.                 '<span class="select-menu-title">',
  963.                   '<text>Emoji Collections</text>',
  964.                   '<span class="octicon tooltipped tooltipped-w" aria-label="Change GitHub Custom Emoji Settings">',
  965.                     '<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>',
  966.                   '</span>',
  967.                   '<span class="octicon tooltipped tooltipped-w ghe-back" aria-label="Go back to see all collections">',
  968.                     '<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>',
  969.                   '</span>',
  970.                 '</span>',
  971.               '</div>',
  972.               '<div class="js-select-menu-deferred-content ghe-content">',
  973.                 '<div class="select-menu-list ghe-all-collections"></div>',
  974.                 '<div class="select-menu-list ghe-single-collection"></div>',
  975.               '</div>',
  976.             '</div>',
  977.           '</div>',
  978.           '<div id="ghe-settings">',
  979.             '<div id="ghe-settings-inner" class="boxed-group">',
  980.               '<h3>GitHub Custom Emoji Settings',
  981.               '<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>',
  982.               '</h3>',
  983.               '<div class="boxed-group-inner">',
  984.                 '<form>',
  985.                   '<div class="ghe-settings-wrapper">',
  986.                     '<p>',
  987.                       '<label>Insert as Image:',
  988.                         '<sup class="tooltipped tooltipped-e" aria-label="Or Shift + select the emoji">?</sup>',
  989.                         '<input class="ghe-image ghe-checkbox ghe-right" type="checkbox">',
  990.                       '</label>',
  991.                     '</p>',
  992.                     '<p class="checkbox">',
  993.                       '<label>Case Sensitive <input class="ghe-case ghe-checkbox ghe-right" type="checkbox"></label>',
  994.                     '</p>',
  995.                     '<div class="ghe-slider-wrapper">',
  996.                       '<div class="ghe-range-slider">',
  997.                         '<input type="text" class="ghe-height" value="" />',
  998.                       '</div>',
  999.                       '<label>Emoji Height',
  1000.                         '<sup class="tooltipped tooltipped-e" aria-label="Set emoji minimum & maximum&#10;height in pixels">?</sup>',
  1001.                       '</label>',
  1002.                     '</div>',
  1003.                     '<div class="ghe-slider-wrapper">',
  1004.                       '<div class="ghe-zoom-slider">',
  1005.                         '<input class="ghe-zoom ghe-right" type="text">',
  1006.                       '</div>',
  1007.                       '<label>Emoji Zoom',
  1008.                         '<sup class="tooltipped tooltipped-e" aria-label="Set Emoji zoom factor&#10;while actively clicked">?</sup>',
  1009.                       '</label>',
  1010.                     '</div>',
  1011.                     '<p>',
  1012.                       '<hr>',
  1013.                       '<h3>Sources',
  1014.                         '<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">',
  1015.                           '<sup>?</sup>',
  1016.                         '</a>',
  1017.                       '</h3>',
  1018.                       '<div class="ghe-sources"></div>',
  1019.                     '</p>',
  1020.                   '</div>',
  1021.                   '<div class="ghe-footer">',
  1022.                     '<div class="btn-group">',
  1023.                       '<a href="#" id="ghe-add-source" class="btn btn-sm">Add Source</a>',
  1024.                       '<a href="#" id="ghe-refresh-sources" class="btn btn-sm">Refresh Sources</a>&nbsp;',
  1025.                     '</div>',
  1026.                     '<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>',
  1027.                   '</div>',
  1028.                 '</form>',
  1029.               '</div>',
  1030.             '</div>',
  1031.           '</div>',
  1032.         '</div>'
  1033.       ].join(''));
  1034.     },
  1035.  
  1036.     // JSON source inputs
  1037.     sourceHTML : [
  1038.       '<div class="ghe-source">',
  1039.         '<input class="ghe-source-input" type="text" value="" placeholder="Add JSON sources only">',
  1040.         '<a href="#" class="ghe-remove btn btn-sm btn-danger">',
  1041.           '<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>',
  1042.         '</a>',
  1043.       '</div>'
  1044.     ].join(''),
  1045.  
  1046.     setRegex : function() {
  1047.       var isCS = this.settings.caseSensitive,
  1048.         // parts = [':_', ':']
  1049.         imgParts = this.vars.emojiImgTemplate.split('${name}'),
  1050.         txtParts = this.vars.emojiTxtTemplate.split('${name}');
  1051.  
  1052.       // filter = /:_([a-zA-Z\u00c0-\u00ff0-9_,'.+-]*)$|:_([^\x00-\xff]*)$/gi
  1053.       // used by atwho.js autocomplete
  1054.       this.regex.emojiImgFilter = new RegExp(
  1055.         imgParts[0] + '([a-zA-Z\u00c0-\u00ff0-9_,\'\.\+\-]*)$|' +
  1056.         imgParts[0] + '([^\\x00-\\xff]*)$',
  1057.         (isCS ? 'g' : 'gi')
  1058.       );
  1059.  
  1060.       this.regex.emojiTxtFilter = new RegExp(
  1061.         txtParts[0] + '([a-zA-Z\u00c0-\u00ff0-9_,\'\.\+\-]*)$|' +
  1062.         txtParts[0] + '([^\\x00-\\xff]*)$',
  1063.         (isCS ? 'g' : 'gi')
  1064.       );
  1065.  
  1066.       // used by search & replace
  1067.       this.regex.nameRegex = new RegExp(
  1068.         imgParts[0] + '([\\w_]+)' + imgParts[1],
  1069.         (isCS ? 'g' : 'gi')
  1070.       );
  1071.     },
  1072.  
  1073.     init : function() {
  1074.       debug('GitHub-Emoji Script initializing!');
  1075.  
  1076.       // add style tag to head
  1077.       this.$style = $('<style class="ghe-style">').appendTo('head');
  1078.  
  1079.       this.getStoredValues();
  1080.       this.loadEmojiJson();
  1081.       this.updateStyleSheet();
  1082.       this.isUpdating = true;
  1083.       // regex based on case sensitive setting
  1084.       this.setRegex();
  1085.  
  1086.       var targets = document.querySelectorAll(this.containers.join(','));
  1087.       Array.prototype.forEach.call(targets, function(target) {
  1088.         new MutationObserver(function(mutations) {
  1089.           mutations.forEach(function(mutation) {
  1090.             // preform checks before adding code wrap to minimize function calls
  1091.             if (mutation.target === target && !$.isEmptyObject(ghe.collections) &&
  1092.               !(ghe.isUpdating || target.querySelector('.ghe-processed'))) {
  1093.               ghe.update();
  1094.             }
  1095.           });
  1096.         }).observe(target, {
  1097.           childList : true,
  1098.           subtree : true
  1099.         });
  1100.       });
  1101.  
  1102.       this.addPanels();
  1103.  
  1104.       // Add emoji autocomplete & watch for preview rendering
  1105.       this.addToolbarIcon();
  1106.       this.addBindings();
  1107.       // update panel values after bindings (rangeslider)
  1108.       this.setStoredValues();
  1109.  
  1110.       // checkPage clears isUpdating flag
  1111.       this.checkPage();
  1112.     }
  1113.   };
  1114.  
  1115.   // add style at document-start
  1116.   ghe.init();
  1117.  
  1118.   // include a "?debug" anywhere in the browser URL to enable debugging
  1119.   function debug() {
  1120.     if (/\?debug/.test(window.location.href)) {
  1121.       console.log.apply(console, arguments);
  1122.     }
  1123.   }
  1124. })(jQuery.noConflict(true));