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GitHub Dark Script

GitHub Dark in userscript form, with a settings panel

As of 2016-11-16. See the latest version.

  1. // ==UserScript==
  2. // @name         GitHub Dark Script
  3. // @version      2.0.15
  4. // @description  GitHub Dark in userscript form, with a settings panel
  5. // @namespace    https://github.com/StylishThemes
  6. // @include      /^https?://((gist|guides|help|raw|status|developer)\.)?github\.com((?!generated_pages\/preview).)*$/
  7. // @include      https://*.githubusercontent.com/*
  8. // @grant        GM_addStyle
  9. // @grant        GM_getValue
  10. // @grant        GM_setValue
  11. // @grant        GM_info
  12. // @grant        GM_xmlhttpRequest
  13. // @grant        GM_registerMenuCommand
  14. // @connect      githubusercontent.com
  15. // @connect      raw.githubusercontent.com
  16. // @run-at       document-start
  17. // @require      https://greatest.deepsurf.us/scripts/15563-jscolor/code/jscolor.js?version=106439
  18. // ==/UserScript==
  19. /* global GM_addStyle, GM_getValue, GM_setValue, GM_info, GM_xmlhttpRequest, GM_registerMenuCommand, jscolor */
  20. /* jshint esnext:true */
  21. (() => {
  22.   'use strict';
  23.  
  24.   const version = GM_info.script.version,
  25.  
  26.     // delay until package.json allowed to load
  27.     delay = 8.64e7, // 24 hours in milliseconds
  28.  
  29.     // Keyboard shortcut to open ghd panel (only a two key combo coded)
  30.     keyboardOpen = 'g+0',
  31.     keyboardToggle = 'g+-',
  32.     // keyboard shortcut delay from first to second letter
  33.     keyboardDelay = 1000,
  34.  
  35.     // base urls to fetch style and package.json
  36.     root = 'https://raw.githubusercontent.com/StylishThemes/GitHub-Dark/master/',
  37.  
  38.     defaults = {
  39.       attach : 'scroll',
  40.       color  : '#4183C4',
  41.       enable : true,
  42.       font   : 'Menlo',
  43.       image  : 'url("data:image/png;base64,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")',
  44.       tab    : 4,
  45.       theme  : 'Twilight',
  46.       type   : 'tiled',
  47.       wrap   : false,
  48.  
  49.       // toggle buttons
  50.       enableCodeWrap  : true,
  51.       enableMonospace : true,
  52.       // diff toggle + accordion mode
  53.       modeDiffToggle  : '1',
  54.  
  55.       // internal variables
  56.       date         : 0,
  57.       version      : 0,
  58.       rawCss       : '',
  59.       themeCss     : '',
  60.       processedCss : '',
  61.       last         : {}
  62.     },
  63.  
  64.     // extract style & theme name
  65.     regex = /\/\*! [^\*]+ \*\//,
  66.     // "themes/" prefix not included here
  67.     themes = {
  68.       'Ambiance' : 'ambiance.min.css',
  69.       'Chaos' : 'chaos.min.css',
  70.       'Clouds Midnight' : 'clouds-midnight.min.css',
  71.       'Cobalt' : 'cobalt.min.css',
  72.       'GitHub Dark' : 'github-dark.min.css',
  73.       'Idle Fingers' : 'idle-fingers.min.css',
  74.       'Kr Theme' : 'kr-theme.min.css',
  75.       'Merbivore' : 'merbivore.min.css',
  76.       'Merbivore Soft' : 'merbivore-soft.min.css',
  77.       'Mono Industrial' : 'mono-industrial.min.css',
  78.       'Mono Industrial Clear' : 'mono-industrial-clear.min.css',
  79.       'Monokai' : 'monokai.min.css',
  80.       'Monokai Spacegray Eighties' : 'monokai-spacegray-eighties.min.css',
  81.       'Obsidian' : 'obsidian.min.css',
  82.       'Pastel on Dark' : 'pastel-on-dark.min.css',
  83.       'Solarized Dark' : 'solarized-dark.min.css',
  84.       'Terminal' : 'terminal.min.css',
  85.       'Tomorrow Night' : 'tomorrow-night.min.css',
  86.       'Tomorrow Night Blue' : 'tomorrow-night-blue.min.css',
  87.       'Tomorrow Night Bright' : 'tomorrow-night-bright.min.css',
  88.       'Tomorrow Night Eigthies' : 'tomorrow-night-eighties.min.css',
  89.       'Twilight' : 'twilight.min.css',
  90.       'Vibrant Ink' : 'vibrant-ink.min.css'
  91.     },
  92.  
  93.     type = {
  94.       tiled : `
  95.         background-repeat: repeat !important;
  96.         background-size: auto !important;
  97.         background-position: left top !important;
  98.       `,
  99.       fit : `
  100.         background-repeat: no-repeat !important;
  101.         background-size: cover !important;
  102.         background-position: center top !important;
  103.       `
  104.     },
  105.  
  106.     wrapCss = {
  107.       wrapped : `
  108.         white-space: pre-wrap !important;
  109.         word-break: break-all !important;
  110.         overflow-wrap: break-word !important;
  111.         display: block !important;
  112.       `,
  113.       unwrap  : `
  114.         white-space: pre !important;
  115.         word-break: normal !important;
  116.         display: block !important;
  117.       `
  118.     },
  119.  
  120.     // https://github.com/StylishThemes/GitHub-code-wrap/blob/master/github-code-wrap.css
  121.     wrapCodeCss = `
  122.       /* GitHub: Enable wrapping of long code lines */
  123.         .blob-code-inner,
  124.         .markdown-body pre > code,
  125.         .markdown-body .highlight > pre { ${wrapCss.wrapped} }
  126.         td.blob-code-inner {
  127.           display: table-cell !important;
  128.         }
  129.     `,
  130.  
  131.     wrapIcon = `
  132.       <svg xmlns="http://www.w3.org/2000/svg" width="768" height="768" viewBox="0 0 768 768">
  133.         <path d="M544.5 352.5q52.5 0 90 37.5t37.5 90-37.5 90-90 37.5H480V672l-96-96 96-96v64.5h72q25.5 0 45-19.5t19.5-45-19.5-45-45-19.5H127.5v-63h417zm96-192v63h-513v-63h513zm-513 447v-63h192v63h-192z"/>
  134.       </svg>
  135.     `,
  136.  
  137.     monospaceIcon = `
  138.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 32 32">
  139.         <path d="M5.91 7.31v8.41c0 .66.05 1.09.14 1.31.09.21.23.37.41.48.18.11.52.16 1.02.16v.41H2.41v-.41c.5 0 .86-.05 1.03-.14.16-.11.3-.27.41-.5.11-.23.16-.66.16-1.3V11.7c0-1.14-.04-1.87-.11-2.2-.04-.26-.13-.42-.24-.53-.11-.1-.27-.14-.46-.14-.21 0-.48.05-.77.18l-.18-.41 3.14-1.28h.52v-.01zm-.95-5.46c.32 0 .59.11.82.34.23.23.34.5.34.82 0 .32-.11.59-.34.82-.23.22-.51.34-.82.34-.32 0-.59-.11-.82-.34s-.36-.5-.36-.82c0-.32.11-.59.34-.82.24-.23.51-.34.84-.34zm19.636 19.006h-3.39v-1.64h5.39v9.8h3.43v1.66h-9.18v-1.66h3.77v-8.16h-.02zm.7-6.44c.21 0 .43.04.63.13.18.09.36.2.5.34s.25.3.34.5c.07.18.13.39.13.61 0 .22-.04.41-.13.61s-.19.36-.34.5-.3.25-.5.32c-.2.09-.39.13-.62.13-.21 0-.43-.04-.61-.12-.19-.07-.35-.19-.5-.34-.14-.14-.25-.3-.34-.5-.07-.2-.13-.39-.13-.61s.04-.43.13-.61c.07-.18.2-.36.34-.5s.31-.25.5-.34c.17-.09.39-.12.6-.12zM2 30L27.82 2H30L4.14 30H2z"/>
  140.       </svg>
  141.     `,
  142.  
  143.     fileIcon = `
  144.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="10" height="6.5" viewBox="0 0 10 6.5">
  145.         <path d="M0 1.497L1.504 0l3.49 3.76L8.505.016 10 1.52 4.988 6.51 0 1.496z"/>
  146.       </svg>
  147.     `,
  148.  
  149.     $style = make({
  150.       el: 'style',
  151.       cl4ss: 'ghd-style'
  152.     });
  153.  
  154.   let timer, picker, // jscolor picker
  155.     isInitialized = 'pending',
  156.     // prevent mutationObserver from going nuts
  157.     isUpdating = false,
  158.     // set when css code to test is pasted into the settings panel
  159.     testing = false,
  160.     //
  161.     debug = GM_getValue('debug', false),
  162.     data = {};
  163.  
  164.   function updatePanel() {
  165.     if (!isInitialized || !$('#ghd-settings-inner')) { return; }
  166.     // prevent multiple change events from processing
  167.     isUpdating = true;
  168.  
  169.     let temp, el,
  170.       body = $('body'),
  171.       panel = $('#ghd-settings-inner');
  172.  
  173.     $('.ghd-attach', panel).value = data.attach || defaults.attach;
  174.     $('.ghd-font', panel).value = data.font || defaults.font;
  175.     $('.ghd-image', panel).value = data.image || defaults.image;
  176.     $('.ghd-tab', panel).value = data.tab || defaults.tab;
  177.     $('.ghd-theme', panel).value = data.theme || defaults.theme;
  178.     $('.ghd-type', panel).value = data.type || defaults.type;
  179.  
  180.     $('.ghd-enable', panel).checked = isBool('enable');
  181.     $('.ghd-wrap', panel).checked = isBool('wrap');
  182.  
  183.     $('.ghd-codewrap-checkbox', panel).checked = isBool('enableCodeWrap');
  184.     $('.ghd-monospace-checkbox', panel).checked = isBool('enableMonospace');
  185.  
  186.     el = $('.ghd-diff-select', panel);
  187.     temp = '' + (data.modeDiffToggle || defaults.modeDiffToggle);
  188.     el.value = temp;
  189.     toggleClass(el, 'enabled', temp !== '0');
  190.  
  191.     // update version tooltip
  192.     $('.ghd-versions', panel).setAttribute('aria-label', getVersionTooltip());
  193.  
  194.     temp = data.color || defaults.color;
  195.     $('.ghd-color').value = temp;
  196.     // update swatch color & color picker value
  197.     $('#ghd-swatch').style.backgroundColor = temp;
  198.  
  199.     if (picker) {
  200.       picker.fromString(temp);
  201.     }
  202.     $style.disabled = !data.enable;
  203.  
  204.     toggleClass(body, 'ghd-disabled', !data.enable);
  205.     toggleClass(body, 'nowrap', !data.wrap);
  206.  
  207.     if (data.enableCodeWrap !== data.lastCW ||
  208.       data.enableMonospace !== data.lastMS ||
  209.       data.modeDiffToggle !== data.lastDT) {
  210.  
  211.       data.lastCW = data.enableCodeWrap;
  212.       data.lastMS = data.enableMonospace;
  213.       data.lastDT = data.modeDiffToggle;
  214.       updateToggles();
  215.     }
  216.  
  217.     isUpdating = false;
  218.   }
  219.  
  220.   function getStoredValues(init) {
  221.     data = GM_getValue('data', defaults);
  222.     try {
  223.       data = JSON.parse(data);
  224.       if (!Object.keys(data).length || ({}).toString.call(data) !== "[object Object]") {
  225.         throw new Error();
  226.       }
  227.     } catch(err) { // compat
  228.       data = GM_getValue('data', defaults);
  229.     }
  230.     if (debug) {
  231.       if (init) {
  232.         console.log('GitHub-Dark Script initializing!');
  233.       }
  234.       console.log('Retrieved stored values', data);
  235.     }
  236.   }
  237.  
  238.   function setStoredValues(reset) {
  239.     data.processedCss = $style.textContent;
  240.     GM_setValue('data', JSON.stringify(reset ? defaults : data));
  241.     updatePanel();
  242.     if (debug) {
  243.       console.log((reset ? 'Resetting' : 'Saving') + ' current values', data);
  244.     }
  245.   }
  246.  
  247.   // modified from http://stackoverflow.com/a/5624139/145346
  248.   function hexToRgb(hex) {
  249.     let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  250.     return result ? [
  251.       parseInt(result[1], 16),
  252.       parseInt(result[2], 16),
  253.       parseInt(result[3], 16)
  254.     ].join(", ") : "";
  255.   }
  256.  
  257.   // convert version "1.2.3" into "001002003" for easier comparison
  258.   function convertVersion(val) {
  259.     let index,
  260.       parts = val ? val.split('.') : '',
  261.       str = '',
  262.       len = parts.length;
  263.     for (index = 0; index < len; index++) {
  264.       str += ('000' + parts[index]).slice(-3);
  265.     }
  266.     if (debug) {
  267.       console.log(`Converted version "${val}" to "${str}" for easy comparison`);
  268.     }
  269.     return val ? str : val;
  270.   }
  271.  
  272.   function checkVersion() {
  273.     if (debug) {
  274.       console.log('Fetching package.json');
  275.     }
  276.     GM_xmlhttpRequest({
  277.       method : 'GET',
  278.       url : root + 'package.json',
  279.       onload : response => {
  280.         let pkg = JSON.parse(response.responseText);
  281.  
  282.         // save last loaded date, so package.json is only loaded once a day
  283.         data.date = new Date().getTime();
  284.  
  285.         let ver = convertVersion(pkg.version);
  286.         // if new available, load it & parse
  287.         if (ver > data.version) {
  288.           if (data.version !== 0 && debug) {
  289.             console.log('Updating from ${data.version} to ${ver}');
  290.           }
  291.           data.version = ver;
  292.           fetchAndApplyStyle();
  293.         } else {
  294.           addSavedStyle();
  295.         }
  296.         // save new date/version
  297.         GM_setValue('data', JSON.stringify(data));
  298.       }
  299.     });
  300.   }
  301.  
  302.   function fetchAndApplyStyle() {
  303.     if (debug) {
  304.       console.log(`Fetching ${root}github-dark.css`);
  305.     }
  306.     GM_xmlhttpRequest({
  307.       method : 'GET',
  308.       url : root + 'github-dark.css',
  309.       onload : response => {
  310.         data.rawCss = response.responseText;
  311.         processStyle();
  312.       }
  313.     });
  314.   }
  315.  
  316.   // load syntax highlighting theme
  317.   function fetchAndApplyTheme() {
  318.     if (!data.enable) {
  319.       if (debug) {
  320.         console.log('Disabled: stop theme processing');
  321.       }
  322.       return;
  323.     }
  324.     if (data.lastTheme === data.theme && data.themeCss !== '') {
  325.       return applyTheme();
  326.     }
  327.     let name = data.theme || 'Twilight',
  328.       themeUrl = root + 'themes/' + themes[name];
  329.     if (debug) {
  330.       console.log(`Fetching ${name} theme`, themeUrl);
  331.     }
  332.     GM_xmlhttpRequest({
  333.       method : 'GET',
  334.       url : themeUrl,
  335.       onload : response => {
  336.         let theme = response.responseText;
  337.         if (response.status === 200 && theme) {
  338.           data.themeCss = theme;
  339.           data.lastTheme = name;
  340.           applyTheme();
  341.         } else {
  342.           throw Error(`Failed to load theme file: "${theme}"`);
  343.         }
  344.       }
  345.     });
  346.   }
  347.  
  348.   function applyTheme() {
  349.     if (debug) {
  350.       console.log('Adding syntax theme "' + (data.themeCss || '').match(regex) + '" to css');
  351.     }
  352.     let css = data.processedCss || '';
  353.     css = css.replace('/*[[syntax-theme]]*/', data.themeCss || '');
  354.     applyStyle(css);
  355.     setStoredValues();
  356.     isUpdating = false;
  357.   }
  358.  
  359.   function processStyle() {
  360.     let url = /^url/.test(data.image || '') ? data.image :
  361.       (data.image === 'none' ? 'none' : 'url("' + data.image + '")');
  362.     if (!data.enable) {
  363.       if (debug) {
  364.         console.log('Disabled: stop processing');
  365.       }
  366.       return;
  367.     }
  368.     if (debug) {
  369.       console.log('Processing set styles');
  370.     }
  371.  
  372.     let processed = (data.rawCss || '')
  373.       // remove moz-document wrapper
  374.       .replace(/@-moz-document regexp\((.*)\) \{(\n|\r)+/, '')
  375.       // replace background image; if no 'url' at start, then use 'none'
  376.       .replace(/\/\*\[\[bg-choice\]\]\*\/ url\(.*\)/, url)
  377.       // Add tiled or fit window size css
  378.       .replace('/*[[bg-options]]*/', type[data.type || 'tiled'])
  379.       // set scroll or fixed background image
  380.       .replace('/*[[bg-attachment]]*/ fixed', data.attach || 'scroll')
  381.       // replace base-color
  382.       .replace(/\/\*\[\[base-color\]\]\*\/ #\w{3,6}/g, data.color || '#4183C4')
  383.       // replace base-color-rgb
  384.       .replace(/\/\*\[\[base-color-rgb\]\]\*\//g, hexToRgb(data.color || '#4183c4'))
  385.       // add font choice
  386.       .replace('/*[[font-choice]]*/', data.font || 'Menlo')
  387.       // add tab size
  388.       .replace(/\/\*\[\[tab-size\]\]\*\/ \d+/g, data.tab || 4)
  389.       // code wrap css
  390.       .replace('/*[[code-wrap]]*/', data.wrap ? wrapCodeCss : '')
  391.       // remove default syntax
  392.       .replace(/\s+\/\* grunt build - remove to end of file(.*(\n|\r))+\}$/m, '');
  393.  
  394.     // see https://github.com/StylishThemes/GitHub-Dark/issues/275
  395.     if (/firefox/i.test(navigator.userAgent)) {
  396.       processed = processed
  397.         // line in github-dark.css = "select, input:not(.btn-link), textarea"
  398.         .replace('select, input:not(.btn-link)', 'input { color:#eee !important; } select')
  399.         .replace(/input\[type=\"checkbox\"\][\s\S]+?}/gm, '');
  400.     }
  401.     data.processedCss = processed;
  402.     fetchAndApplyTheme();
  403.   }
  404.  
  405.   function applyStyle(css) {
  406.     if (debug) {
  407.       console.log('Applying style', '"' + (css || '').match(regex) + '"');
  408.     }
  409.     $style.textContent = css || '';
  410.   }
  411.  
  412.   function addSavedStyle() {
  413.     if (debug) {
  414.       console.log('Adding previously saved style');
  415.     }
  416.     // apply already processed css to prevent FOUC
  417.     $style.textContent = data.processedCss;
  418.   }
  419.  
  420.   function updateStyle() {
  421.     isUpdating = true;
  422.  
  423.     if (debug) {
  424.       console.log('Updating user settings');
  425.     }
  426.  
  427.     let body = $('body'),
  428.       panel = $('#ghd-settings-inner');
  429.  
  430.     data.attach = $('.ghd-attach', panel).value;
  431.     // get hex value directly
  432.     data.color = picker.toHEXString();
  433.     data.enable = $('.ghd-enable', panel).checked;
  434.     data.font   = $('.ghd-font', panel).value;
  435.     data.image  = $('.ghd-image', panel).value;
  436.     data.tab    = $('.ghd-tab', panel).value;
  437.     data.theme  = $('.ghd-theme', panel).value;
  438.     data.type   = $('.ghd-type', panel).value;
  439.     data.wrap   = $('.ghd-wrap', panel).checked;
  440.  
  441.     data.enableCodeWrap  = $('.ghd-codewrap-checkbox', panel).checked;
  442.     data.enableMonospace = $('.ghd-monospace-checkbox', panel).checked;
  443.  
  444.     data.modeDiffToggle  = $('.ghd-diff-select', panel).value;
  445.  
  446.     $style.disabled = !data.enable;
  447.  
  448.     toggleClass(body, 'ghd-disabled', !data.enable);
  449.     toggleClass(body, 'nowrap', !data.wrap);
  450.  
  451.     if (testing) {
  452.       processStyle();
  453.       testing = false;
  454.     } else {
  455.       fetchAndApplyStyle();
  456.     }
  457.     isUpdating = false;
  458.   }
  459.  
  460.   // user can force GitHub-dark update
  461.   function forceUpdate(css) {
  462.     if (css) {
  463.       // add raw css directly for style testing
  464.       data.rawCss = css;
  465.       processStyle();
  466.     } else {
  467.       // clear saved date
  468.       data.version = 0;
  469.       data.themeCss = '';
  470.       GM_setValue('data', JSON.stringify(data));
  471.       closePanel('forced');
  472.     }
  473.   }
  474.  
  475.   function getVersionTooltip() {
  476.     let indx,
  477.       ver = [],
  478.       // convert stored css version from "001014049" into "1.14.49" for tooltip
  479.       parts = String(data.version).match(/\d{3}/g),
  480.       len = parts && parts.length || 0;
  481.     for (indx = 0; indx < len; indx++) {
  482.       ver.push(parseInt(parts[indx], 10));
  483.     }
  484.     return `Script v${version}\nCSS ${(ver.length ? 'v' + ver.join('.') : 'unknown')}`;
  485.   }
  486.  
  487.   function buildSettings() {
  488.     if (debug) {
  489.       console.log('Adding settings panel & GitHub Dark link to profile dropdown');
  490.     }
  491.     // Script-specific CSS
  492.     GM_addStyle(`
  493.       #ghd-menu:hover { cursor:pointer }
  494.       #ghd-settings { position:fixed; z-index:65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden; }
  495.       #ghd-settings.in { opacity:1; visibility:visible; background:rgba(0,0,0,.5); }
  496.       #ghd-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; color:#c0c0c0 }
  497.       #ghd-settings label { margin-left:.5rem; position:relative; top:-1px }
  498.       #ghd-settings-close { height:1rem; width:1rem; fill:#666; float:right; cursor:pointer }
  499.       #ghd-settings-close:hover { fill:#ccc }
  500.       #ghd-settings .ghd-right { float:right; padding:5px; }
  501.       #ghd-settings p { line-height:22px; }
  502.       #ghd-settings .form-select, #ghd-settings input[type="text"] { height:30px; min-height:30px; }
  503.       #ghd-swatch { width:25px; height:22px; display:inline-block; margin:3px 10px; border-radius:4px; }
  504.       #ghd-settings input, #ghd-settings select { border:#555 1px solid; }
  505.       #ghd-settings .ghd-attach, #ghd-settings .ghd-diff-select { padding-right:25px; }
  506.       #ghd-settings input[type="checkbox"] { margin-top:3px; width: 16px !important; height: 16px !important; border-radius: 3px !important; }
  507.       #ghd-settings .boxed-group-inner { padding:0; }
  508.       #ghd-settings .ghd-footer { padding:10px; border-top:#555 solid 1px; }
  509.       #ghd-settings .ghd-settings-wrapper { max-height:60vh; overflow-y:auto; padding:4px 10px; }
  510.       #ghd-settings .ghd-tab { width:5em; }
  511.       #ghd-settings .octicon { vertical-align:text-bottom !important; }
  512.       #ghd-settings .ghd-paste-area { position:absolute; bottom:50px; top:37px; left:2px; right:2px; width:396px !important; height:-moz-calc(100% - 85px);
  513.         resize:none !important; border-style:solid; z-index:0; }
  514.  
  515.       /* code wrap toggle: https://gist.github.com/silverwind/6c1701f56e62204cc42b
  516.       icons next to a pre */
  517.       .ghd-wrap-toggle { position:absolute; right:1.4em; margin-top:.2em; -moz-user-select:none; -webkit-user-select:none; cursor:pointer; z-index:20; }
  518.       /* file & diff code tables */
  519.       .ghd-wrap-table .blob-code-inner { white-space:pre-wrap !important; word-break:break-all !important; }
  520.       .ghd-unwrap-table .blob-code-inner { white-space:pre !important; word-break:normal !important; }
  521.       .ghd-wrap-toggle > *, .ghd-monospace > *, .ghd-file-toggle > * { pointer-events:none; vertical-align:middle !important; }
  522.       /* icons inside a wrapper immediatly around a pre */
  523.       .highlight > .ghd-wrap-toggle { right:.5em; top:.5em; margin-top:0; }
  524.       /* icons for non-syntax highlighted code blocks; see https://github.com/gjtorikian/html-proofer/blob/master/README.md */
  525.       .markdown-body:not(.comment-body) .ghd-wrap-toggle:not(:first-child) { right:3.4em; }
  526.       .ghd-wrap-toggle svg { height:1.25em; width:1.25em; fill:rgba(110,110,110,.4); }
  527.       /* wrap disabled (red) */
  528.       .ghd-wrap-toggle.unwrap:hover svg, .ghd-wrap-toggle:hover svg { fill:#8b0000; }
  529.       /* wrap enabled (green) */
  530.       body:not(.nowrap) .ghd-wrap-toggle:not(.unwrap):hover svg, .ghd-wrap-toggle.wrapped:hover svg { fill:#006400; }
  531.       .blob-wrapper, .markdown-body pre, .markdown-body .highlight { position:relative; }
  532.       /* monospace font toggle */
  533.       .ghd-monospace-font { font-family:"${data.font}", Menlo, Inconsolata, "Droid Mono", monospace !important; font-size:1em !important; }
  534.       /* file collapsed icon */
  535.       .ghd-file-collapsed > :not(.file-header) { display:none !important; }
  536.       .ghd-file-collapsed .ghd-file-toggle svg { -webkit-transform:rotate(90deg); transform:rotate(90deg); }
  537.     `);
  538.  
  539.     let indx, theme, icon,
  540.       opts = '',
  541.       ver = getVersionTooltip(),
  542.       names = Object.keys(themes),
  543.       len = names.length;
  544.     for (indx = 0; indx < len; indx++) {
  545.       theme = names[indx];
  546.       opts += `<option value="${theme}">${theme}</option>`;
  547.     }
  548.  
  549.     // circle-question-mark icon
  550.     icon = `
  551.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" height="16" width="14" viewBox="0 0 16 14">
  552.         <path d="M6 10h2v2H6V10z m4-3.5c0 2.14-2 2.5-2 2.5H6c0-0.55 0.45-1 1-1h0.5c0.28 0 0.5-0.22 0.5-0.5v-1c0-0.28-0.22-0.5-0.5-0.5h-1c-0.28 0-0.5 0.22-0.5 0.5v0.5H4c0-1.5 1.5-3 3-3s3 1 3 2.5zM7 2.3c3.14 0 5.7 2.56 5.7 5.7S10.14 13.7 7 13.7 1.3 11.14 1.3 8s2.56-5.7 5.7-5.7m0-1.3C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7S10.86 1 7 1z" />
  553.       </svg>
  554.     `;
  555.  
  556.     // Settings panel markup
  557.     make({
  558.       el : 'div',
  559.       appendTo: 'body',
  560.       attr : { id: 'ghd-settings' },
  561.       html : `
  562.         <div id="ghd-settings-inner" class="boxed-group">
  563.           <h3>GitHub-Dark Settings
  564.             <a href="https://github.com/StylishThemes/GitHub-Dark-Script/wiki" class="tooltipped tooltipped-e" aria-label="See documentation">${icon}</a>
  565.             <svg id="ghd-settings-close" xmlns="http://www.w3.org/2000/svg" width="768" height="768" viewBox="160 160 608 608"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>
  566.           </h3>
  567.           <div class="boxed-group-inner">
  568.             <form>
  569.               <div class="ghd-settings-wrapper">
  570.                 <p class="ghd-checkbox">
  571.                   <label>Enable GitHub-Dark<input class="ghd-enable ghd-right" type="checkbox"></label>
  572.                 </p>
  573.                 <p>
  574.                   <label>Color:</label>
  575.                   <input class="ghd-color ghd-right" type="text" value="#4183C4">
  576.                   <span id="ghd-swatch" class="ghd-right"></span>
  577.                 </p>
  578.                 <h4>Background</h4>
  579.                 <p>
  580.                   <label>Image:</label>
  581.                   <input class="ghd-image ghd-right" type="text">
  582.                   <a href="https://github.com/StylishThemes/GitHub-Dark/wiki/Image" class="tooltipped tooltipped-e" aria-label="Click to learn about GitHub\'s Content Security&#10;Policy and how to add a custom image">${icon}</a>
  583.                 </p>
  584.                 <p>
  585.                   <label>Image type:</label>
  586.                   <select class="ghd-type ghd-right form-select">
  587.                     <option value="tiled">Tiled</option>
  588.                     <option value="fit">Fit window</option>
  589.                   </select>
  590.                 </p>
  591.                 <p>
  592.                   <label>Image attachment:</label>
  593.                   <select class="ghd-attach ghd-right form-select">
  594.                     <option value="scroll">Scroll</option>
  595.                     <option value="fixed">Fixed</option>
  596.                   </select>
  597.                 </p>
  598.                 <h4>Code</h4>
  599.                 <p><label>Theme:</label> <select class="ghd-theme ghd-right form-select">${opts}</select></p>
  600.                 <p>
  601.                   <label>Font Name:</label> <input class="ghd-font ghd-right" type="text">
  602.                   <a href="http://www.cssfontstack.com/" class="tooltipped tooltipped-e" aria-label="Add a system installed (monospaced) font name;&#10;this script will not load external fonts!">${icon}</a>
  603.                 </p>
  604.                 <p>
  605.                   <label>Tab Size:</label> <input class="ghd-tab ghd-right" type="text">
  606.                 </p>
  607.                 <p class="ghd-checkbox">
  608.                   <label>Wrap<input class="ghd-wrap ghd-right" type="checkbox"></label>
  609.                 </p>
  610.                 <h4>Toggles</h4>
  611.                 <p class="ghd-checkbox">
  612.                   <label>Code Wrap<input class="ghd-codewrap-checkbox ghd-right" type="checkbox"></label>
  613.                 </p>
  614.                 <p class="ghd-checkbox">
  615.                   <label>Comment Monospace Font<input class="ghd-monospace-checkbox ghd-right" type="checkbox"></label>
  616.                 </p>
  617.                 <p class="ghd-range">
  618.                   <label>Diff File Collapse</label>
  619.                   <select class="ghd-diff-select ghd-right form-select">
  620.                     <option value="0">Disabled</option>
  621.                     <option value="1">Enabled</option>
  622.                     <option value="2">Accordion</option>
  623.                   </select>
  624.                 </p>
  625.               </div>
  626.               <div class="ghd-footer">
  627.                 <div class="BtnGroup">
  628.                   <a href="#" class="ghd-update btn btn-sm tooltipped tooltipped-n tooltipped-multiline" aria-label="Update style if the newest release is not loading; the page will reload!">Force Update Style</a>
  629.                   <a href="#" class="ghd-textarea-toggle btn btn-sm tooltipped tooltipped-n" aria-label="Paste CSS update">
  630.                     <svg xmlns="http://www.w3.org/2000/svg" width="8" height="8" viewBox="0 0 16 16" fill="#eee">
  631.                       <path d="M15 11 1 11 8 3z"/>
  632.                     </svg>
  633.                   </a>
  634.                   <div class="ghd-paste-area-content" aria-hidden="true" style="display:none">
  635.                     <textarea class="ghd-paste-area" placeholder="Paste GitHub-Dark Style here!"></textarea>
  636.                   </div>
  637.                 </div>&nbsp;
  638.                 <a href="#" class="ghd-reset btn btn-sm btn-danger tooltipped tooltipped-n" aria-label="Reset to defaults;&#10;there is no undo!">Reset All Settings</a>
  639.                 <span class="ghd-versions ghd-right tooltipped tooltipped-n" aria-label="${ver}">
  640.                   <svg class="ghd-info" xmlns="http://www.w3.org/2000/svg" width="16px" height="16px" viewBox="0 0 24 24">
  641.                     <path fill="#444" d="M12,9c0.82,0,1.5-0.68,1.5-1.5S12.82,6,12,6s-1.5,0.68-1.5,1.5S11.18,9,12,9z M12,1.5 C6.211,1.5,1.5,6.211,1.5,12S6.211,22.5,12,22.5S22.5,17.789,22.5,12S17.789,1.5,12,1.5z M12,19.5c-4.148,0-7.5-3.352-7.5-7.5 S7.852,4.5,12,4.5s7.5,3.352,7.5,7.5S16.148,19.5,12,19.5z M13.5,12c0-0.75-0.75-1.5-1.5-1.5s-0.75,0-1.5,0S9,11.25,9,12h1.5 c0,0,0,3.75,0,4.5S11.25,18,12,18s0.75,0,1.5,0s1.5-0.75,1.5-1.5h-1.5C13.5,16.5,13.5,12.75,13.5,12z"/>
  642.                   </svg>
  643.                 </span>
  644.               </div>
  645.             </form>
  646.           </div>
  647.         </div>
  648.       `
  649.     });
  650.  
  651.     updateToggles();
  652.   }
  653.  
  654.   // Add code wrap toggle
  655.   function buildCodeWrap() {
  656.     // mutation events happen quick, so we still add an update flag
  657.     isUpdating = true;
  658.     let icon = make({
  659.       el    : 'div',
  660.       cl4ss : 'ghd-wrap-toggle tooltipped tooltipped-w',
  661.       attr  : { 'aria-label' : 'Toggle code wrap' },
  662.       html  : wrapIcon
  663.     });
  664.     $$('.blob-wrapper').forEach(el => {
  665.       el.insertBefore(icon.cloneNode(true), el.childNodes[0]);
  666.     });
  667.     $$('.markdown-body pre').forEach(el => {
  668.       el.parentNode.insertBefore(icon.cloneNode(true), el);
  669.     });
  670.     isUpdating = false;
  671.   }
  672.  
  673.   // Add monospace font toggle
  674.   function addMonospaceToggle() {
  675.     isUpdating = true;
  676.     let button = make({
  677.       el    : 'button',
  678.       cl4ss : 'ghd-monospace toolbar-item tooltipped tooltipped-n',
  679.       attr  : {
  680.         'type' : 'button',
  681.         'aria-label' : 'Toggle monospaced font',
  682.         'tabindex' : '-1'
  683.       },
  684.       html  : monospaceIcon
  685.     });
  686.     $$('.toolbar-commenting').forEach(el => {
  687.       if (!$('.ghd-monospace', el)) {
  688.         // prepend
  689.         el.insertBefore(button.cloneNode(true), el.childNodes[0]);
  690.       }
  691.     });
  692.     isUpdating = false;
  693.   }
  694.  
  695.   // Add file diffs toggle
  696.   function addFileToggle() {
  697.     isUpdating = true;
  698.     let firstButton,
  699.       button = make({
  700.         el    : 'button',
  701.         cl4ss : 'ghd-file-toggle btn btn-sm tooltipped tooltipped-n',
  702.         attr  : {
  703.           'type' : 'button',
  704.           'aria-label' : 'Click to Expand or Collapse file',
  705.           'tabindex' : '-1'
  706.         },
  707.         html  : fileIcon
  708.       });
  709.     $$('#files .file-actions').forEach(el => {
  710.       if (!$('.ghd-file-toggle', el)) {
  711.         el.appendChild(button.cloneNode(true));
  712.       }
  713.     });
  714.     firstButton = $('.ghd-file-toggle');
  715.     // accordion mode = start with all but first entry collapsed
  716.     if (firstButton && data.modeDiffToggle === '2') {
  717.       toggleFile({
  718.         target: firstButton
  719.       }, true);
  720.     }
  721.     isUpdating = false;
  722.   }
  723.  
  724.   // Add toggle buttons after page updates
  725.   function updateToggles() {
  726.     if (data.enableCodeWrap) {
  727.       buildCodeWrap();
  728.     } else {
  729.       removeAll('.ghd-wrap-toggle');
  730.       toggleClass($$('.ghd-file-collapsed'), 'ghd-file-collapsed', false);
  731.     }
  732.     if (data.enableMonospace) {
  733.       addMonospaceToggle();
  734.     } else {
  735.       removeAll('.ghd-monospace');
  736.       toggleClass($$('.ghd-monospace-font'), 'ghd-monospace-font', false);
  737.     }
  738.     if (data.modeDiffToggle !== '0') {
  739.       addFileToggle();
  740.     } else {
  741.       removeAll('.ghd-file-toggle');
  742.       toggleClass($$('.ghd-file-collapsed'), 'ghd-file-collapsed', false);
  743.     }
  744.   }
  745.  
  746.   function makeRow(vals, str) {
  747.     return make({
  748.       el : 'tr',
  749.       cl4ss : 'ghd-shortcut',
  750.       html : `<td class="keys"><kbd>${vals[0]}</kbd> <kbd>${vals[1]}</kbd></td><td>${str}</td>`
  751.     });
  752.   }
  753.  
  754.   // add keyboard shortcut to help menu (press "?")
  755.   function buildShortcut() {
  756.     let row,
  757.       el = $('.keyboard-mappings tbody');
  758.     if (el && !$('.ghd-shortcut')) {
  759.       row = makeRow(keyboardOpen.split('+'), 'GitHub-Dark: open settings');
  760.       el.appendChild(row);
  761.       row = makeRow(keyboardToggle.split('+'), 'GitHub-Dark: toggle style');
  762.       el.appendChild(row);
  763.     }
  764.   }
  765.  
  766.   function toggleCodeWrap(el) {
  767.     let css,
  768.       overallWrap = data.wrap,
  769.       code = next(el, '.highlight, .diff-table, code, pre'),
  770.       tmp = code ? $('code', code) : '';
  771.     if (tmp) {
  772.       // find code element
  773.       code = tmp;
  774.     }
  775.     if (!code) {
  776.       if (debug) {
  777.         console.log('Code wrap icon associated code not found', el);
  778.       }
  779.       return;
  780.     }
  781.     // code with line numbers
  782.     if (code.nodeName === 'TABLE') {
  783.       if (code.className.indexOf('ghd-') < 0) {
  784.         css = !overallWrap;
  785.       } else {
  786.         css = code.classList.contains('ghd-unwrap-table');
  787.       }
  788.       toggleClass(code, 'ghd-wrap-table', css);
  789.       toggleClass(code, 'ghd-unwrap-table', !css);
  790.       toggleClass(el, 'wrapped', css);
  791.       toggleClass(el, 'unwrap', !css);
  792.     } else {
  793.       css = code.getAttribute('style') || '';
  794.       if (css === '') {
  795.         css = wrapCss[overallWrap ? 'unwrap' : 'wrapped'];
  796.       } else {
  797.         css = wrapCss[css === wrapCss.wrapped ? 'unwrap' : 'wrapped'];
  798.       }
  799.       code.setAttribute('style', css);
  800.       toggleClass(el, 'wrapped', css === wrapCss.wrapped);
  801.       toggleClass(el, 'unwrap', css === wrapCss.unwrap);
  802.     }
  803.   }
  804.  
  805.   function toggleMonospace(el) {
  806.     let tmp = closest(el, '.previewable-comment-form'),
  807.       // single comment
  808.       textarea = $('.comment-form-textarea', tmp);
  809.     if (textarea) {
  810.       toggleClass(textarea, 'ghd-monospace-font');
  811.       textarea.focus();
  812.       tmp = textarea.classList.contains('ghd-monospace-font');
  813.       toggleClass(el, 'ghd-icon-active', tmp);
  814.     }
  815.   }
  816.  
  817.   function toggleSibs(target, state) {
  818.     let el,
  819.       isCollapsed = state || target.classList.contains('ghd-file-collapsed'),
  820.       toggles = document.querySelectorAll('.file'),
  821.       indx = toggles.length;
  822.     while (indx--) {
  823.       el = toggles[indx];
  824.       if (el !== target) {
  825.         el.classList[isCollapsed ? 'add' : 'remove']('ghd-file-collapsed');
  826.       }
  827.     }
  828.   }
  829.  
  830.   function toggleFile(event, init) {
  831.     isUpdating = true;
  832.     let el = closest(event.target, '.file');
  833.     if (data.modeDiffToggle === '2') {
  834.       if (!init) {
  835.         el.classList.toggle('ghd-file-collapsed');
  836.       }
  837.       toggleSibs(el, true);
  838.     } else {
  839.       el.classList.toggle('ghd-file-collapsed');
  840.       // shift+click toggle all files!
  841.       if (event.shiftKey) {
  842.         toggleSibs(el);
  843.       }
  844.     }
  845.     isUpdating = false;
  846.   }
  847.  
  848.   function bindEvents() {
  849.     let el, menu, lastKey,
  850.       panel = $('#ghd-settings-inner'),
  851.       swatch = $('#ghd-swatch', panel);
  852.  
  853.     // finish initialization
  854.     $('#ghd-settings-inner .ghd-enable').checked = data.enable;
  855.     toggleClass($('body'), 'ghd-disabled', !data.enable);
  856.  
  857.     // Create our menu entry
  858.     menu = make({
  859.       el : 'a',
  860.       cl4ss : 'dropdown-item',
  861.       html : 'GitHub Dark Settings',
  862.       attr : { id : 'ghd-menu' }
  863.     });
  864.  
  865.     el = $$('.header .dropdown-item[href="/settings/profile"], .header .dropdown-item[data-ga-click*="go to profile"]');
  866.     // get last found item - gists only have the "go to profile" item; GitHub has both
  867.     el = el[el.length - 1];
  868.     if (el) {
  869.       // insert after
  870.       el.parentNode.insertBefore(menu, el.nextSibling);
  871.       on($('#ghd-menu'), 'click', () => {
  872.         openPanel();
  873.       });
  874.     }
  875.  
  876.     on(document, 'keypress keydown', event => {
  877.       clearTimeout(timer);
  878.       // use "g+o" to open up ghd options panel
  879.       let openKeys = keyboardOpen.split('+'),
  880.         toggleKeys = keyboardToggle.split('+'),
  881.         key = String.fromCharCode(event.which).toLowerCase(),
  882.         panelVisible = $('#ghd-settings').classList.contains('in');
  883.  
  884.       // press escape to close the panel
  885.       if (event.which === 27 && panelVisible) {
  886.         closePanel();
  887.         return;
  888.       }
  889.       // use event.which from keypress for shortcuts
  890.       // prevent opening panel while typing "go" in comments
  891.       if (event.type === 'keydown' || /(input|textarea)/i.test(document.activeElement.nodeName)) {
  892.         return;
  893.       }
  894.       if (lastKey === openKeys[0] && key === openKeys[1]) {
  895.         if (panelVisible) {
  896.           closePanel();
  897.         } else {
  898.           openPanel();
  899.         }
  900.       }
  901.       if (lastKey === toggleKeys[0] && key === toggleKeys[1]) {
  902.         toggleStyle();
  903.       }
  904.       lastKey = key;
  905.       timer = setTimeout(() => {
  906.         lastKey = null;
  907.       }, keyboardDelay);
  908.  
  909.       // add shortcut to help menu
  910.       if (key === '?') {
  911.         // table doesn't exist until user presses "?"
  912.         setTimeout(() => {
  913.           buildShortcut();
  914.         }, 300);
  915.       }
  916.     });
  917.  
  918.     // add ghd-settings panel bindings
  919.     on($$('#ghd-settings, #ghd-settings-close'), 'click keyup', event => {
  920.       // press escape to close settings
  921.       if (event.type === 'keyup' && event.which !== 27) {
  922.         return;
  923.       }
  924.       closePanel();
  925.     });
  926.  
  927.     on(panel, 'click', event => {
  928.       event.stopPropagation();
  929.     });
  930.  
  931.     on($('.ghd-reset', panel), 'click', event => {
  932.       event.preventDefault();
  933.       isUpdating = true;
  934.       // pass true to reset values
  935.       setStoredValues(true);
  936.       // add reset values back to data
  937.       getStoredValues();
  938.       // add reset values to panel
  939.       updatePanel();
  940.       // update style
  941.       updateStyle();
  942.     });
  943.  
  944.     on($$('input[type="text"]', panel), 'focus', function() {
  945.       // select all text when focused
  946.       this.select();
  947.     });
  948.  
  949.     on($$('select, input', panel), 'change', () => {
  950.       if (!isUpdating) {
  951.         updateStyle();
  952.       }
  953.     });
  954.  
  955.     on($('.ghd-update', panel), 'click', event => {
  956.       event.preventDefault();
  957.       forceUpdate();
  958.     });
  959.  
  960.     on($('.ghd-textarea-toggle', panel), 'click', function(event) {
  961.       event.preventDefault();
  962.       let hidden, el;
  963.       this.classList.remove('selected');
  964.       el = next(this, '.ghd-paste-area-content');
  965.       if (el) {
  966.         hidden = el.style.display === 'none';
  967.         el.style.display = hidden ? '' : 'none';
  968.         if (el.style.display !== 'none') {
  969.           el.classList.add('selected');
  970.           el = $('textarea', el);
  971.           el.focus();
  972.           el.select();
  973.         }
  974.       }
  975.       return false;
  976.     });
  977.  
  978.     on($('.ghd-paste-area-content', panel), 'paste', event => {
  979.       let toggle = $('.ghd-textarea-toggle', panel),
  980.         textarea = event.target;
  981.       setTimeout(() => {
  982.         textarea.parentNode.style.display = 'none';
  983.         toggle.classList.remove('selected');
  984.         testing = true;
  985.         forceUpdate(textarea.value);
  986.       }, 200);
  987.     });
  988.  
  989.     // Toggles
  990.     on($('body'), 'click', event => {
  991.       let target = event.target;
  992.       if (data.enableCodeWrap && target.classList.contains('ghd-wrap-toggle')) {
  993.         // **** CODE WRAP TOGGLE ****
  994.         event.stopPropagation();
  995.         toggleCodeWrap(target);
  996.       } else if (data.enableMonospace && target.classList.contains('ghd-monospace')) {
  997.         // **** MONOSPACE FONT TOGGLE ****
  998.         event.stopPropagation();
  999.         toggleMonospace(target);
  1000.         return false;
  1001.       } else if (data.modeDiffToggle !== '0' && target.classList.contains('ghd-file-toggle')) {
  1002.         // **** CODE DIFF COLLAPSE TOGGLE ****
  1003.         event.stopPropagation();
  1004.         toggleFile(event);
  1005.       }
  1006.     });
  1007.  
  1008.     // style color picker
  1009.     picker = new jscolor($('.ghd-color', panel));
  1010.     picker.zIndex = 65536;
  1011.     picker.hash = true;
  1012.     picker.backgroundColor = '#333';
  1013.     picker.padding = 0;
  1014.     picker.borderWidth = 0;
  1015.     picker.borderColor = '#444';
  1016.     picker.onFineChange = () => {
  1017.       swatch.style.backgroundColor = '#' + picker;
  1018.     };
  1019.   }
  1020.  
  1021.   function openPanel() {
  1022.     $('.modal-backdrop').click();
  1023.     updatePanel();
  1024.     $('#ghd-settings').classList.add('in');
  1025.   }
  1026.  
  1027.   function closePanel(flag) {
  1028.     $('#ghd-settings').classList.remove('in');
  1029.     picker.hide();
  1030.  
  1031.     if (flag === 'forced') {
  1032.       // forced update; partial re-initialization
  1033.       init();
  1034.     } else {
  1035.       // apply changes when the panel is closed
  1036.       updateStyle();
  1037.     }
  1038.   }
  1039.  
  1040.   function toggleStyle() {
  1041.     let isEnabled = !data.enable;
  1042.     data.enable = isEnabled;
  1043.     $('#ghd-settings-inner .ghd-enable').checked = isEnabled;
  1044.     // add processedCss back into style (emptied when disabled)
  1045.     if (isEnabled) {
  1046.       // data.processedCss is empty when ghd is disabled on init
  1047.       if (!data.processedCss) {
  1048.         processStyle();
  1049.       } else {
  1050.         addSavedStyle();
  1051.       }
  1052.     }
  1053.     $style.disabled = !isEnabled;
  1054.   }
  1055.  
  1056.   function init() {
  1057.     if (!document.head) return;
  1058.  
  1059.     document.head.appendChild($style);
  1060.     getStoredValues(true);
  1061.  
  1062.     $style.disabled = !data.enable;
  1063.     data.lastTheme = data.theme;
  1064.     data.lastCW = data.enableCodeWrap;
  1065.     data.lastMS = data.enableMonospace;
  1066.     data.lastDT = data.modeDiffToggle;
  1067.  
  1068.     // only load package.json once a day, or after a forced update
  1069.     if ((new Date().getTime() > data.date + delay) || data.version === 0) {
  1070.       // get package.json from GitHub-Dark & compare versions
  1071.       // load new script if a newer one is available
  1072.       checkVersion();
  1073.     } else {
  1074.       addSavedStyle();
  1075.     }
  1076.     isInitialized = false;
  1077.   }
  1078.  
  1079.   // add style at document-start
  1080.   init();
  1081.  
  1082.   on(document, 'DOMContentLoaded', () => {
  1083.     if (isInitialized === 'pending') {
  1084.       // init after DOM loaded on .atom pages
  1085.       init();
  1086.     }
  1087.     // add panel even if you're not logged in - open panel using keyboard shortcut
  1088.     // just not on githubusercontent pages (no settings panel needed)
  1089.     if (window.location.host.indexOf('githubusercontent.com') < 0) {
  1090.       buildSettings();
  1091.       // add event binding on document ready
  1092.       bindEvents();
  1093.  
  1094.       $$('#js-repo-pjax-container, #js-pjax-container, .js-contribution-activity').forEach(target => {
  1095.         new MutationObserver(mutations => {
  1096.           mutations.forEach(mutation => {
  1097.             // preform checks before adding code wrap to minimize function calls
  1098.             if (!(isUpdating || $$('.ghd-wrap-toggle').length) &&
  1099.               mutation.target === target) {
  1100.               updateToggles();
  1101.             }
  1102.           });
  1103.         }).observe(target, {
  1104.           childList: true,
  1105.           subtree: true
  1106.         });
  1107.       });
  1108.     }
  1109.  
  1110.     isInitialized = true;
  1111.   });
  1112.  
  1113.   /* utility functions */
  1114.   function isBool(name) {
  1115.     let val = data[name];
  1116.     return typeof val === 'boolean' ? val : defaults[name];
  1117.   }
  1118.   function $(str, el) {
  1119.     return (el || document).querySelector(str);
  1120.   }
  1121.   function $$(str, el) {
  1122.     return Array.from((el || document).querySelectorAll(str));
  1123.   }
  1124.   function next(el, selector) {
  1125.     while ((el = el.nextElementSibling)) {
  1126.       if (el && el.matches(selector)) {
  1127.         return el;
  1128.       }
  1129.     }
  1130.     return null;
  1131.   }
  1132.   function closest(el, selector) {
  1133.     while (el && el.nodeName !== 'BODY' && !el.matches(selector)) {
  1134.       el = el.parentNode;
  1135.     }
  1136.     return el && el.matches(selector) ? el : [];
  1137.   }
  1138.   function make(obj) {
  1139.     let key,
  1140.       el = document.createElement(obj.el);
  1141.     if (obj.cl4ss) { el.className = obj.cl4ss; }
  1142.     if (obj.html) { el.innerHTML = obj.html; }
  1143.     if (obj.attr) {
  1144.       for (key in obj.attr) {
  1145.         if (obj.attr.hasOwnProperty(key)) {
  1146.           el.setAttribute(key, obj.attr[key]);
  1147.         }
  1148.       }
  1149.     }
  1150.     if (obj.appendTo) {
  1151.       $(obj.appendTo).appendChild(el);
  1152.     }
  1153.     return el;
  1154.   }
  1155.   function removeAll(selector) {
  1156.     $$(selector).forEach(el => {
  1157.       el.parentNode.removeChild(el);
  1158.     });
  1159.   }
  1160.   function on(els, name, callback) {
  1161.     els = Array.isArray(els) ? els : [els];
  1162.     let events = name.split(/\s+/);
  1163.     els.forEach(el => {
  1164.       events.forEach(ev => {
  1165.         el.addEventListener(ev, callback);
  1166.       });
  1167.     });
  1168.   }
  1169.   function toggleClass(els, cl4ss, flag) {
  1170.     els = Array.isArray(els) ? els : [els];
  1171.     els.forEach(el => {
  1172.       if (el) {
  1173.         if (typeof flag === 'undefined') {
  1174.           flag = !el.classList.contains(cl4ss);
  1175.         }
  1176.         if (flag) {
  1177.           el.classList.add(cl4ss);
  1178.         } else {
  1179.           el.classList.remove(cl4ss);
  1180.         }
  1181.       }
  1182.     });
  1183.   }
  1184.  
  1185.   // Add GM options
  1186.   GM_registerMenuCommand("GitHub Dark Script debug logging", () => {
  1187.     let val = prompt('Toggle GitHub Dark Script debug log (true/false):', !debug);
  1188.     if (val) {
  1189.       debug = /^t/.test(val);
  1190.       GM_setValue('debug', debug);
  1191.     }
  1192.   });
  1193.  
  1194. })();