☰

GitHub Dark Script

GitHub Dark in userscript form, with a settings panel

目前為 2017-03-12 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name         GitHub Dark Script
  3. // @version      2.1.1
  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://greasyfork.org/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, unused: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', // GitHub
  46.       themeCm: 'Twilight', // CodeMirror
  47.       themeJp: 'Twilight', // Jupyter
  48.       type   : 'tiled',
  49.       wrap   : false,
  50.  
  51.       // toggle buttons
  52.       enableCodeWrap  : true,
  53.       enableMonospace : true,
  54.       // diff toggle + accordion mode
  55.       modeDiffToggle  : '1',
  56.  
  57.       // internal variables
  58.       date         : 0,
  59.       version      : 0,
  60.       rawCss       : '',
  61.       cssgithub    : '',
  62.       csscodemirror: '',
  63.       cssjupyter   : '',
  64.       processedCss : ''
  65.     },
  66.  
  67.     // extract style & theme name
  68.     regex = /\/\*! [^\*]+ \*\//,
  69.     themesXref = {
  70.       github: {
  71.         placeholder: 'syntax-theme',
  72.         folder: 'themes/github/'
  73.       },
  74.       codemirror: {
  75.         placeholder: 'syntax-codemirror',
  76.         folder: 'themes/codemirror/'
  77.       },
  78.       jupyter: {
  79.         placeholder: 'syntax-jupyter',
  80.         folder: 'themes/jupyter/'
  81.       }
  82.     },
  83.     // available theme names
  84.     themes = {
  85.       github: {
  86.         'Ambiance': 'ambiance',
  87.         'Chaos': 'chaos',
  88.         'Clouds Midnight': 'clouds-midnight',
  89.         'Cobalt': 'cobalt',
  90.         'GitHub Dark': 'github-dark',
  91.         'Idle Fingers': 'idle-fingers',
  92.         'Kr Theme': 'kr-theme',
  93.         'Merbivore': 'merbivore',
  94.         'Merbivore Soft': 'merbivore-soft',
  95.         'Mono Industrial': 'mono-industrial',
  96.         'Mono Industrial Clear': 'mono-industrial-clear',
  97.         'Monokai': 'monokai',
  98.         'Monokai Spacegray Eighties': 'monokai-spacegray-eighties',
  99.         'Obsidian': 'obsidian',
  100.         'Pastel on Dark': 'pastel-on-dark',
  101.         'Solarized Dark': 'solarized-dark',
  102.         'Terminal': 'terminal',
  103.         'Tomorrow Night': 'tomorrow-night',
  104.         'Tomorrow Night Blue': 'tomorrow-night-blue',
  105.         'Tomorrow Night Bright': 'tomorrow-night-bright',
  106.         'Tomorrow Night Eigthies': 'tomorrow-night-eighties',
  107.         'Twilight': 'twilight',
  108.         'Vibrant Ink': 'vibrant-ink'
  109.       },
  110.       // CodeMirror themes
  111.       codemirror: {
  112.         'Ambiance': 'ambiance',
  113.         'Base16 Ocean Dark': 'base16-ocean',
  114.         'Cobalt': 'cobalt',
  115.         'Dracula': 'dracula',
  116.         'Monokai': 'monokai',
  117.         'Monokai Spacegray Eighties': 'monokai-spacegray-eighties',
  118.         'Pastel on Dark': 'pastel-on-dark',
  119.         'Solarized Dark': 'solarized-dark',
  120.         'Tomorrow Night Bright': 'tomorrow-night-bright',
  121.         'Tomorrow Night Eigthies': 'tomorrow-night-eighties',
  122.         'Twilight': 'twilight',
  123.         'Vibrant Ink': 'vibrant-ink'
  124.       },
  125.       // Jupyter (pygments) themes
  126.       jupyter: {
  127.         'Base16 Ocean Dark': 'base16-ocean',
  128.         'Dracula': 'dracula',
  129.         'GitHub Dark': 'github-dark',
  130.         'Idle Fingers': 'idle-fingers',
  131.         'Monokai': 'monokai',
  132.         'Monokai Spacegray Eighties': 'monokai-spacegray-eighties',
  133.         'Obsidian': 'obsidian',
  134.         'Pastel on Dark': 'pastel-on-dark',
  135.         'Solarized Dark': 'solarized-dark',
  136.         'Tomorrow Night': 'tomorrow-night',
  137.         'Tomorrow Night Blue': 'tomorrow-night-blue',
  138.         'Tomorrow Night Bright': 'tomorrow-night-bright',
  139.         'Tomorrow Night Eigthies': 'tomorrow-night-eighties',
  140.         'Twilight': 'twilight'
  141.       }
  142.     },
  143.  
  144.     type = {
  145.       tiled: `
  146.         background-repeat: repeat !important;
  147.         background-size: auto !important;
  148.         background-position: left top !important;
  149.       `,
  150.       fit: `
  151.         background-repeat: no-repeat !important;
  152.         background-size: cover !important;
  153.         background-position: center top !important;
  154.       `
  155.     },
  156.  
  157.     wrapCss = {
  158.       wrapped: `
  159.         white-space: pre-wrap !important;
  160.         word-break: break-all !important;
  161.         overflow-wrap: break-word !important;
  162.         display: block !important;
  163.       `,
  164.       unwrap: `
  165.         white-space: pre !important;
  166.         word-break: normal !important;
  167.         display: block !important;
  168.       `
  169.     },
  170.  
  171.     // https://github.com/StylishThemes/GitHub-code-wrap/blob/master/github-code-wrap.css
  172.     wrapCodeCss = `
  173.       /* GitHub: Enable wrapping of long code lines */
  174.         .blob-code-inner,
  175.         .markdown-body pre > code,
  176.         .markdown-body .highlight > pre { ${wrapCss.wrapped} }
  177.         td.blob-code-inner {
  178.           display: table-cell !important;
  179.         }
  180.     `,
  181.  
  182.     wrapIcon = `
  183.       <svg xmlns="http://www.w3.org/2000/svg" width="768" height="768" viewBox="0 0 768 768">
  184.         <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"/>
  185.       </svg>
  186.     `,
  187.  
  188.     monospaceIcon = `
  189.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 32 32">
  190.         <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"/>
  191.       </svg>
  192.     `,
  193.  
  194.     fileIcon = `
  195.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="10" height="6.5" viewBox="0 0 10 6.5">
  196.         <path d="M0 1.5L1.5 0l3.5 3.7L8.5.0 10 1.5 5 6.5 0 1.5z"/>
  197.       </svg>
  198.     `,
  199.  
  200.     $style = make({
  201.       el: 'style',
  202.       cl4ss: 'ghd-style'
  203.     });
  204.  
  205.   let timer, mutationTimer, picker, // jscolor picker
  206.     isInitialized = 'pending',
  207.     // prevent mutationObserver from going nuts
  208.     isUpdating = false,
  209.     // set when css code to test is pasted into the settings panel
  210.     testing = false,
  211.     //
  212.     debug = GM_getValue('debug', false),
  213.     data = {};
  214.  
  215.   function updatePanel() {
  216.     if (!isInitialized || !$('#ghd-settings-inner')) { return; }
  217.     // prevent multiple change events from processing
  218.     isUpdating = true;
  219.  
  220.     let temp, el,
  221.       body = $('body'),
  222.       panel = $('#ghd-settings-inner');
  223.  
  224.     $('.ghd-attach', panel).value = data.attach || defaults.attach;
  225.     $('.ghd-font', panel).value = data.font || defaults.font;
  226.     $('.ghd-image', panel).value = data.image || defaults.image;
  227.     $('.ghd-tab', panel).value = data.tab || defaults.tab;
  228.     $('.ghd-theme', panel).value = data.theme || defaults.theme;
  229.     $('.ghd-themecm', panel).value = data.themeCm || defaults.themeCm;
  230.     $('.ghd-themejp', panel).value = data.themeJp || defaults.themeJp;
  231.     $('.ghd-type', panel).value = data.type || defaults.type;
  232.  
  233.     $('.ghd-enable', panel).checked = isBool('enable');
  234.     $('.ghd-wrap', panel).checked = isBool('wrap');
  235.  
  236.     $('.ghd-codewrap-checkbox', panel).checked = isBool('enableCodeWrap');
  237.     $('.ghd-monospace-checkbox', panel).checked = isBool('enableMonospace');
  238.  
  239.     el = $('.ghd-diff-select', panel);
  240.     temp = '' + (data.modeDiffToggle || defaults.modeDiffToggle);
  241.     el.value = temp;
  242.     toggleClass(el, 'enabled', temp !== '0');
  243.  
  244.     // update version tooltip
  245.     $('.ghd-versions', panel).setAttribute('aria-label', getVersionTooltip());
  246.  
  247.     temp = data.color || defaults.color;
  248.     $('.ghd-color').value = temp;
  249.     // update swatch color & color picker value
  250.     $('#ghd-swatch').style.backgroundColor = temp;
  251.  
  252.     if (picker) {
  253.       picker.fromString(temp);
  254.     }
  255.     $style.disabled = !data.enable;
  256.  
  257.     toggleClass(body, 'ghd-disabled', !data.enable);
  258.     toggleClass(body, 'nowrap', !data.wrap);
  259.  
  260.     if (data.enableCodeWrap !== data.lastCW ||
  261.       data.enableMonospace !== data.lastMS ||
  262.       data.modeDiffToggle !== data.lastDT) {
  263.  
  264.       data.lastCW = data.enableCodeWrap;
  265.       data.lastMS = data.enableMonospace;
  266.       data.lastDT = data.modeDiffToggle;
  267.       updateToggles();
  268.     }
  269.  
  270.     isUpdating = false;
  271.   }
  272.  
  273.   function getStoredValues(init) {
  274.     data = GM_getValue('data', defaults);
  275.     try {
  276.       data = JSON.parse(data);
  277.       if (!Object.keys(data).length || ({}).toString.call(data) !== "[object Object]") {
  278.         throw new Error();
  279.       }
  280.     } catch(err) { // compat
  281.       data = GM_getValue('data', defaults);
  282.     }
  283.     if (debug) {
  284.       if (init) {
  285.         console.log('GitHub-Dark Script initializing!');
  286.       }
  287.       console.log('Retrieved stored values', data);
  288.     }
  289.   }
  290.  
  291.   function setStoredValues(reset) {
  292.     data.processedCss = $style.textContent;
  293.     GM_setValue('data', JSON.stringify(reset ? defaults : data));
  294.     updatePanel();
  295.     if (debug) {
  296.       console.log((reset ? 'Resetting' : 'Saving') + ' current values', data);
  297.     }
  298.   }
  299.  
  300.   // modified from http://stackoverflow.com/a/5624139/145346
  301.   function hexToRgb(hex) {
  302.     let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  303.     return result ? [
  304.       parseInt(result[1], 16),
  305.       parseInt(result[2], 16),
  306.       parseInt(result[3], 16)
  307.     ].join(", ") : "";
  308.   }
  309.  
  310.   // convert version "1.2.3" into "001002003" for easier comparison
  311.   function convertVersion(val) {
  312.     let index,
  313.       parts = val ? val.split('.') : '',
  314.       str = '',
  315.       len = parts.length;
  316.     for (index = 0; index < len; index++) {
  317.       str += ('000' + parts[index]).slice(-3);
  318.     }
  319.     if (debug) {
  320.       console.log(`Converted version "${val}" to "${str}" for easy comparison`);
  321.     }
  322.     return val ? str : val;
  323.   }
  324.  
  325.   function checkVersion() {
  326.     if (debug) {
  327.       console.log('Fetching package.json');
  328.     }
  329.     GM_xmlhttpRequest({
  330.       method : 'GET',
  331.       url : root + 'package.json',
  332.       onload : response => {
  333.         let pkg = JSON.parse(response.responseText);
  334.  
  335.         // save last loaded date, so package.json is only loaded once a day
  336.         data.date = new Date().getTime();
  337.  
  338.         let ver = convertVersion(pkg.version);
  339.         // if new available, load it & parse
  340.         if (ver > data.version) {
  341.           if (data.version !== 0 && debug) {
  342.             console.log('Updating from ${data.version} to ${ver}');
  343.           }
  344.           data.version = ver;
  345.           fetchAndApplyStyle();
  346.         } else {
  347.           addSavedStyle();
  348.         }
  349.         // save new date/version
  350.         GM_setValue('data', JSON.stringify(data));
  351.       }
  352.     });
  353.   }
  354.  
  355.   function fetchAndApplyStyle() {
  356.     if (debug) {
  357.       console.log(`Fetching ${root}github-dark.css`);
  358.     }
  359.     GM_xmlhttpRequest({
  360.       method : 'GET',
  361.       url : root + 'github-dark.css',
  362.       onload : response => {
  363.         data.rawCss = response.responseText;
  364.         processStyle();
  365.       }
  366.     });
  367.   }
  368.  
  369.   // load syntax highlighting theme
  370.   function fetchAndApplyTheme(name, group) {
  371.     if (!data.enable) {
  372.       if (debug) {
  373.         console.log('Disabled: stop theme processing');
  374.       }
  375.       return;
  376.     }
  377.     if (data['last' + group] === name && data['css' + group] !== '') {
  378.       return applyTheme(name, group);
  379.     }
  380.     let themeUrl = `${root}${themesXref[group].folder}${themes[group][name]}.min.css`;
  381.     if (debug) {
  382.       console.log(`Fetching ${group} ${name} theme`, themeUrl);
  383.     }
  384.     GM_xmlhttpRequest({
  385.       method : 'GET',
  386.       url : themeUrl,
  387.       onload : response => {
  388.         let theme = response.responseText;
  389.         if (response.status === 200 && theme) {
  390.           data['css' + group] = theme;
  391.           data['last' + group] = name;
  392.           applyTheme(name, group);
  393.         } else {
  394. console.log(`no load ${themeUrl}`);
  395. data['css' + group] = 'blerg';
  396. data['last' + group] = name;
  397. console.log(data);
  398. applyTheme(name, group);
  399. //          throw Error(`Failed to load ${group} theme file: "${name}"`);
  400.         }
  401.       }
  402.     });
  403.   }
  404.  
  405.   function applyTheme(name, group) {
  406.     let theme, css;
  407.     if (debug) {
  408.       theme = (data['css' + group] || '').match(regex);
  409.       console.log(`Adding syntax ${group} theme "${theme}" to css`);
  410.     }
  411.     css = data.processedCss || '';
  412.     css = css.replace(
  413.       `/*[[${themesXref[group].placeholder}]]*/`,
  414.       data['css' + group] || ''
  415.     );
  416.     applyStyle(css);
  417.     setStoredValues();
  418.     isUpdating = false;
  419.   }
  420.  
  421.   function processStyle() {
  422.     let url = /^url/.test(data.image || '') ? data.image :
  423.       (data.image === 'none' ? 'none' : 'url("' + data.image + '")');
  424.     if (!data.enable) {
  425.       if (debug) {
  426.         console.log('Disabled: stop processing');
  427.       }
  428.       return;
  429.     }
  430.     if (debug) {
  431.       console.log('Processing set styles');
  432.     }
  433.  
  434.     let processed = (data.rawCss || '')
  435.       // remove moz-document wrapper
  436.       .replace(/@-moz-document regexp\((.*)\) \{(\n|\r)+/, '')
  437.       // replace background image; if no 'url' at start, then use 'none'
  438.       .replace(/\/\*\[\[bg-choice\]\]\*\/ url\(.*\)/, url)
  439.       // Add tiled or fit window size css
  440.       .replace('/*[[bg-options]]*/', type[data.type || 'tiled'])
  441.       // set scroll or fixed background image
  442.       .replace('/*[[bg-attachment]]*/ fixed', data.attach || 'scroll')
  443.       // replace base-color
  444.       .replace(/\/\*\[\[base-color\]\]\*\/ #\w{3,6}/g, data.color || '#4183C4')
  445.       // replace base-color-rgb
  446.       .replace(/\/\*\[\[base-color-rgb\]\]\*\//g, hexToRgb(data.color || '#4183c4'))
  447.       // add font choice
  448.       .replace('/*[[font-choice]]*/', data.font || 'Menlo')
  449.       // add tab size
  450.       .replace(/\/\*\[\[tab-size\]\]\*\/ \d+/g, data.tab || 4)
  451.       // code wrap css
  452.       .replace('/*[[code-wrap]]*/', data.wrap ? wrapCodeCss : '')
  453.       // remove default syntax
  454.       .replace(/\s+\/\* grunt build - remove to end of file(.*(\n|\r))+\}$/m, '');
  455.  
  456.     // see https://github.com/StylishThemes/GitHub-Dark/issues/275
  457.     if (/firefox/i.test(navigator.userAgent)) {
  458.       processed = processed
  459.         // line in github-dark.css = "select, input:not(.btn-link), textarea"
  460.         .replace('select, input:not(.btn-link)', 'input { color:#eee !important; } select')
  461.         .replace(/input\[type=\"checkbox\"\][\s\S]+?}/gm, '');
  462.     }
  463.     data.processedCss = processed;
  464.     fetchAndApplyTheme(data.theme, 'github');
  465.     fetchAndApplyTheme(data.themeCm, 'codemirror');
  466.     fetchAndApplyTheme(data.themeJp, 'jupyter');
  467.   }
  468.  
  469.   function applyStyle(css) {
  470.     if (debug) {
  471.       console.log('Applying style', '"' + (css || '').match(regex) + '"');
  472.     }
  473.     $style.textContent = css || '';
  474.   }
  475.  
  476.   function addSavedStyle() {
  477.     if (debug) {
  478.       console.log('Adding previously saved style');
  479.     }
  480.     // apply already processed css to prevent FOUC
  481.     $style.textContent = data.processedCss;
  482.   }
  483.  
  484.   function updateStyle() {
  485.     isUpdating = true;
  486.  
  487.     if (debug) {
  488.       console.log('Updating user settings');
  489.     }
  490.  
  491.     let body = $('body'),
  492.       panel = $('#ghd-settings-inner');
  493.  
  494.     data.attach = $('.ghd-attach', panel).value;
  495.     // get hex value directly
  496.     data.color = picker.toHEXString();
  497.     data.enable = $('.ghd-enable', panel).checked;
  498.     data.font = $('.ghd-font', panel).value;
  499.     data.image = $('.ghd-image', panel).value;
  500.     data.tab = $('.ghd-tab', panel).value;
  501.     data.theme = $('.ghd-theme', panel).value;
  502.     data.themeCm = $('.ghd-themecm', panel).value;
  503.     data.themeJp = $('.ghd-themejp', panel).value;
  504.     data.type = $('.ghd-type', panel).value;
  505.     data.wrap = $('.ghd-wrap', panel).checked;
  506.  
  507.     data.enableCodeWrap  = $('.ghd-codewrap-checkbox', panel).checked;
  508.     data.enableMonospace = $('.ghd-monospace-checkbox', panel).checked;
  509.  
  510.     data.modeDiffToggle  = $('.ghd-diff-select', panel).value;
  511.  
  512.     $style.disabled = !data.enable;
  513.  
  514.     toggleClass(body, 'ghd-disabled', !data.enable);
  515.     toggleClass(body, 'nowrap', !data.wrap);
  516.  
  517.     if (testing) {
  518.       processStyle();
  519.       testing = false;
  520.     } else {
  521.       fetchAndApplyStyle();
  522.     }
  523.     isUpdating = false;
  524.   }
  525.  
  526.   // user can force GitHub-dark update
  527.   function forceUpdate(css) {
  528.     if (css) {
  529.       // add raw css directly for style testing
  530.       data.rawCss = css;
  531.       processStyle();
  532.     } else {
  533.       // clear saved date
  534.       data.version = 0;
  535.       data.cssgithub = '';
  536.       data.csscodemirror = '';
  537.       data.cssjupyter = '';
  538.       GM_setValue('data', JSON.stringify(data));
  539.       closePanel('forced');
  540.     }
  541.   }
  542.  
  543.   function getVersionTooltip() {
  544.     let indx,
  545.       ver = [],
  546.       // convert stored css version from "001014049" into "1.14.49" for tooltip
  547.       parts = String(data.version).match(/\d{3}/g),
  548.       len = parts && parts.length || 0;
  549.     for (indx = 0; indx < len; indx++) {
  550.       ver.push(parseInt(parts[indx], 10));
  551.     }
  552.     return `Script v${version}\nCSS ${(ver.length ? 'v' + ver.join('.') : 'unknown')}`;
  553.   }
  554.  
  555.   function buildOptions(group) {
  556.     let options = '';
  557.     Object.keys(themes[group]).forEach(theme => {
  558.       options += `<option value="${theme}">${theme}</option>`;
  559.     });
  560.     return options;
  561.   }
  562.  
  563.   function buildSettings() {
  564.     if (debug) {
  565.       console.log('Adding settings panel & GitHub Dark link to profile dropdown');
  566.     }
  567.     // Script-specific CSS
  568.     GM_addStyle(`
  569.       #ghd-menu:hover { cursor:pointer }
  570.       #ghd-settings { position:fixed; z-index:65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden; }
  571.       #ghd-settings.in { opacity:1; visibility:visible; background:rgba(0,0,0,.5); }
  572.       #ghd-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; color:#c0c0c0 }
  573.       #ghd-settings label { margin-left:.5rem; position:relative; top:-1px }
  574.       #ghd-settings-close { height:1rem; width:1rem; fill:#666; float:right; cursor:pointer }
  575.       #ghd-settings-close:hover { fill:#ccc }
  576.       #ghd-settings .ghd-right { float:right; padding:5px; }
  577.       #ghd-settings p { line-height:22px; }
  578.       #ghd-settings .form-select, #ghd-settings input[type="text"] { height:30px; min-height:30px; }
  579.       #ghd-swatch { width:25px; height:22px; display:inline-block; margin:3px 10px; border-radius:4px; }
  580.       #ghd-settings input, #ghd-settings select { border:#555 1px solid; }
  581.       #ghd-settings .ghd-attach, #ghd-settings .ghd-diff-select { padding-right:25px; }
  582.       #ghd-settings input[type="checkbox"] { margin-top:3px; width: 16px !important; height: 16px !important; border-radius: 3px !important; }
  583.       #ghd-settings .boxed-group-inner { padding:0; }
  584.       #ghd-settings .ghd-footer { padding:10px; border-top:#555 solid 1px; }
  585.       #ghd-settings .ghd-settings-wrapper { max-height:60vh; overflow-y:auto; padding:4px 10px; }
  586.       #ghd-settings .ghd-tab { width:5em; }
  587.       #ghd-settings .octicon { vertical-align:text-bottom !important; }
  588.       #ghd-settings .ghd-paste-area { position:absolute; bottom:50px; top:37px; left:2px; right:2px; width:396px !important; height:-moz-calc(100% - 85px);
  589.         resize:none !important; border-style:solid; z-index:0; }
  590.  
  591.       /* code wrap toggle: https://gist.github.com/silverwind/6c1701f56e62204cc42b
  592.       icons next to a pre */
  593.       .ghd-wrap-toggle { position:absolute; right:1.4em; margin-top:.2em; -moz-user-select:none; -webkit-user-select:none; cursor:pointer; z-index:20; }
  594.       /* file & diff code tables */
  595.       .ghd-wrap-table .blob-code-inner { white-space:pre-wrap !important; word-break:break-all !important; }
  596.       .ghd-unwrap-table .blob-code-inner { white-space:pre !important; word-break:normal !important; }
  597.       .ghd-wrap-toggle > *, .ghd-monospace > *, .ghd-file-toggle > * { pointer-events:none; vertical-align:middle !important; }
  598.       /* icons inside a wrapper immediatly around a pre */
  599.       .highlight > .ghd-wrap-toggle { right:.5em; top:.5em; margin-top:0; }
  600.       /* icons for non-syntax highlighted code blocks; see https://github.com/gjtorikian/html-proofer/blob/master/README.md */
  601.       .markdown-body:not(.comment-body) .ghd-wrap-toggle:not(:first-child) { right:3.4em; }
  602.       .ghd-wrap-toggle svg { height:1.25em; width:1.25em; fill:rgba(110,110,110,.4); }
  603.       /* wrap disabled (red) */
  604.       .ghd-wrap-toggle.unwrap:hover svg, .ghd-wrap-toggle:hover svg { fill:#8b0000; }
  605.       /* wrap enabled (green) */
  606.       body:not(.nowrap) .ghd-wrap-toggle:not(.unwrap):hover svg, .ghd-wrap-toggle.wrapped:hover svg { fill:#006400; }
  607.       .blob-wrapper, .markdown-body pre, .markdown-body .highlight { position:relative; }
  608.       /* monospace font toggle */
  609.       .ghd-monospace-font { font-family:"${data.font}", Menlo, Inconsolata, "Droid Mono", monospace !important; font-size:1em !important; }
  610.       /* file collapsed icon */
  611.       .ghd-file-collapsed > :not(.file-header) { display:none !important; }
  612.       .ghd-file-collapsed .ghd-file-toggle svg { -webkit-transform:rotate(90deg); transform:rotate(90deg); }
  613.     `);
  614.  
  615.     let icon,
  616.       opts = buildOptions('github'),
  617.       optscm = buildOptions('codemirror'),
  618.       optsjp = buildOptions('jupyter'),
  619.       ver = getVersionTooltip();
  620.  
  621.     // circle-question-mark icon
  622.     icon = `
  623.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" height="16" width="14" viewBox="0 0 16 14">
  624.         <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" />
  625.       </svg>
  626.     `;
  627.  
  628.     // Settings panel markup
  629.     make({
  630.       el: 'div',
  631.       appendTo: 'body',
  632.       attr: { id: 'ghd-settings' },
  633.       html: `
  634.         <div id="ghd-settings-inner" class="boxed-group">
  635.           <h3>GitHub-Dark Settings
  636.             <a href="https://github.com/StylishThemes/GitHub-Dark-Script/wiki" class="tooltipped tooltipped-e" aria-label="See documentation">${icon}</a>
  637.             <svg id="ghd-settings-close" xmlns="http://www.w3.org/2000/svg" width="768" height="768" viewBox="160 160 608 608"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>
  638.           </h3>
  639.           <div class="boxed-group-inner">
  640.             <form>
  641.               <div class="ghd-settings-wrapper">
  642.                 <p class="ghd-checkbox">
  643.                   <label>Enable GitHub-Dark<input class="ghd-enable ghd-right" type="checkbox"></label>
  644.                 </p>
  645.                 <p>
  646.                   <label>Color:</label>
  647.                   <input class="ghd-color ghd-right" type="text" value="#4183C4">
  648.                   <span id="ghd-swatch" class="ghd-right"></span>
  649.                 </p>
  650.                 <h4>Background</h4>
  651.                 <p>
  652.                   <label>Image:</label>
  653.                   <input class="ghd-image ghd-right" type="text">
  654.                   <a href="https://github.com/StylishThemes/GitHub-Dark/wiki/Image" class="tooltipped tooltipped-e" aria-label="Click to learn about GitHub\'s Content Security&#10;Policy and how to add a custom image">${icon}</a>
  655.                 </p>
  656.                 <p>
  657.                   <label>Image type:</label>
  658.                   <select class="ghd-type ghd-right form-select">
  659.                     <option value="tiled">Tiled</option>
  660.                     <option value="fit">Fit window</option>
  661.                   </select>
  662.                 </p>
  663.                 <p>
  664.                   <label>Image attachment:</label>
  665.                   <select class="ghd-attach ghd-right form-select">
  666.                     <option value="scroll">Scroll</option>
  667.                     <option value="fixed">Fixed</option>
  668.                   </select>
  669.                 </p>
  670.                 <h4>Code</h4>
  671.                 <p><label>GitHub Theme:</label> <select class="ghd-theme ghd-right form-select">${opts}</select></p>
  672.                 <p><label>CodeMirror Theme:</label> <select class="ghd-themecm ghd-right form-select">${optscm}</select></p>
  673.                 <p><label>Jupyter Theme:</label> <select class="ghd-themejp ghd-right form-select">${optsjp}</select></p>
  674.                 <p>
  675.                   <label>Font Name:</label> <input class="ghd-font ghd-right" type="text">
  676.                   <a href="http://www.cssfontstack.com/" class="tooltipped tooltipped-e" aria-label="Add a system installed (monospaced) font name;&#10;this script will not load external fonts!">${icon}</a>
  677.                 </p>
  678.                 <p>
  679.                   <label>Tab Size:</label> <input class="ghd-tab ghd-right" type="text">
  680.                 </p>
  681.                 <p class="ghd-checkbox">
  682.                   <label>Wrap<input class="ghd-wrap ghd-right" type="checkbox"></label>
  683.                 </p>
  684.                 <h4>Toggles</h4>
  685.                 <p class="ghd-checkbox">
  686.                   <label>Code Wrap<input class="ghd-codewrap-checkbox ghd-right" type="checkbox"></label>
  687.                 </p>
  688.                 <p class="ghd-checkbox">
  689.                   <label>Comment Monospace Font<input class="ghd-monospace-checkbox ghd-right" type="checkbox"></label>
  690.                 </p>
  691.                 <p class="ghd-range">
  692.                   <label>Diff File Collapse</label>
  693.                   <select class="ghd-diff-select ghd-right form-select">
  694.                     <option value="0">Disabled</option>
  695.                     <option value="1">Enabled</option>
  696.                     <option value="2">Accordion</option>
  697.                   </select>
  698.                 </p>
  699.               </div>
  700.               <div class="ghd-footer">
  701.                 <div class="BtnGroup">
  702.                   <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>
  703.                   <a href="#" class="ghd-textarea-toggle btn btn-sm tooltipped tooltipped-n" aria-label="Paste CSS update">
  704.                     <svg xmlns="http://www.w3.org/2000/svg" width="8" height="8" viewBox="0 0 16 16" fill="#eee">
  705.                       <path d="M15 11 1 11 8 3z"/>
  706.                     </svg>
  707.                   </a>
  708.                   <div class="ghd-paste-area-content" aria-hidden="true" style="display:none">
  709.                     <textarea class="ghd-paste-area" placeholder="Paste GitHub-Dark Style here!"></textarea>
  710.                   </div>
  711.                 </div>&nbsp;
  712.                 <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>
  713.                 <span class="ghd-versions ghd-right tooltipped tooltipped-n" aria-label="${ver}">
  714.                   <svg class="ghd-info" xmlns="http://www.w3.org/2000/svg" width="16px" height="16px" viewBox="0 0 24 24">
  715.                     <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"/>
  716.                   </svg>
  717.                 </span>
  718.               </div>
  719.             </form>
  720.           </div>
  721.         </div>
  722.       `
  723.     });
  724.     updateToggles();
  725.   }
  726.  
  727.   // Add code wrap toggle
  728.   function buildCodeWrap() {
  729.     // mutation events happen quick, so we still add an update flag
  730.     isUpdating = true;
  731.     let icon = make({
  732.       el    : 'div',
  733.       cl4ss : 'ghd-wrap-toggle tooltipped tooltipped-w',
  734.       attr  : { 'aria-label': 'Toggle code wrap' },
  735.       html  : wrapIcon
  736.     });
  737.     $$('.blob-wrapper').forEach(el => {
  738.       el.insertBefore(icon.cloneNode(true), el.childNodes[0]);
  739.     });
  740.     $$('.markdown-body pre').forEach(el => {
  741.       el.parentNode.insertBefore(icon.cloneNode(true), el);
  742.     });
  743.     isUpdating = false;
  744.   }
  745.  
  746.   // Add monospace font toggle
  747.   function addMonospaceToggle() {
  748.     isUpdating = true;
  749.     let button = make({
  750.       el    : 'button',
  751.       cl4ss : 'ghd-monospace toolbar-item tooltipped tooltipped-n',
  752.       attr  : {
  753.         'type': 'button',
  754.         'aria-label': 'Toggle monospaced font',
  755.         'tabindex': '-1'
  756.       },
  757.       html  : monospaceIcon
  758.     });
  759.     $$('.toolbar-commenting').forEach(el => {
  760.       if (!$('.ghd-monospace', el)) {
  761.         // prepend
  762.         el.insertBefore(button.cloneNode(true), el.childNodes[0]);
  763.       }
  764.     });
  765.     isUpdating = false;
  766.   }
  767.  
  768.   // Add file diffs toggle
  769.   function addFileToggle() {
  770.     isUpdating = true;
  771.     let firstButton,
  772.       button = make({
  773.         el    : 'button',
  774.         cl4ss : 'ghd-file-toggle btn btn-sm tooltipped tooltipped-n',
  775.         attr  : {
  776.           'type': 'button',
  777.           'aria-label': 'Click to Expand or Collapse file',
  778.           'tabindex': '-1'
  779.         },
  780.         html  : fileIcon
  781.       });
  782.     $$('#files .file-actions').forEach(el => {
  783.       if (!$('.ghd-file-toggle', el)) {
  784.         el.appendChild(button.cloneNode(true));
  785.       }
  786.     });
  787.     firstButton = $('.ghd-file-toggle');
  788.     // accordion mode = start with all but first entry collapsed
  789.     if (firstButton && data.modeDiffToggle === '2') {
  790.       toggleFile({
  791.         target: firstButton
  792.       }, true);
  793.     }
  794.     isUpdating = false;
  795.   }
  796.  
  797.   // Add toggle buttons after page updates
  798.   function updateToggles() {
  799.     if (data.enableCodeWrap) {
  800.       buildCodeWrap();
  801.     } else {
  802.       removeAll('.ghd-wrap-toggle');
  803.       toggleClass($$('.ghd-file-collapsed'), 'ghd-file-collapsed', false);
  804.     }
  805.     if (data.enableMonospace) {
  806.       addMonospaceToggle();
  807.     } else {
  808.       removeAll('.ghd-monospace');
  809.       toggleClass($$('.ghd-monospace-font'), 'ghd-monospace-font', false);
  810.     }
  811.     if (data.modeDiffToggle !== '0') {
  812.       addFileToggle();
  813.     } else {
  814.       removeAll('.ghd-file-toggle');
  815.       toggleClass($$('.ghd-file-collapsed'), 'ghd-file-collapsed', false);
  816.     }
  817.   }
  818.  
  819.   function makeRow(vals, str) {
  820.     return make({
  821.       el    : 'tr',
  822.       cl4ss : 'ghd-shortcut',
  823.       html  : `<td class="keys"><kbd>${vals[0]}</kbd> <kbd>${vals[1]}</kbd></td><td>${str}</td>`
  824.     });
  825.   }
  826.  
  827.   // add keyboard shortcut to help menu (press "?")
  828.   function buildShortcut() {
  829.     let row,
  830.       el = $('.keyboard-mappings tbody');
  831.     if (el && !$('.ghd-shortcut')) {
  832.       row = makeRow(keyboardOpen.split('+'), 'GitHub-Dark: open settings');
  833.       el.appendChild(row);
  834.       row = makeRow(keyboardToggle.split('+'), 'GitHub-Dark: toggle style');
  835.       el.appendChild(row);
  836.     }
  837.   }
  838.  
  839.   function toggleCodeWrap(el) {
  840.     let css,
  841.       overallWrap = data.wrap,
  842.       code = next(el, '.highlight, .diff-table, code, pre'),
  843.       tmp = code ? $('code', code) : '';
  844.     if (tmp) {
  845.       // find code element
  846.       code = tmp;
  847.     }
  848.     if (!code) {
  849.       if (debug) {
  850.         console.log('Code wrap icon associated code not found', el);
  851.       }
  852.       return;
  853.     }
  854.     // code with line numbers
  855.     if (code.nodeName === 'TABLE') {
  856.       if (code.className.indexOf('ghd-') < 0) {
  857.         css = !overallWrap;
  858.       } else {
  859.         css = code.classList.contains('ghd-unwrap-table');
  860.       }
  861.       toggleClass(code, 'ghd-wrap-table', css);
  862.       toggleClass(code, 'ghd-unwrap-table', !css);
  863.       toggleClass(el, 'wrapped', css);
  864.       toggleClass(el, 'unwrap', !css);
  865.     } else {
  866.       css = code.getAttribute('style') || '';
  867.       if (css === '') {
  868.         css = wrapCss[overallWrap ? 'unwrap' : 'wrapped'];
  869.       } else {
  870.         css = wrapCss[css === wrapCss.wrapped ? 'unwrap' : 'wrapped'];
  871.       }
  872.       code.setAttribute('style', css);
  873.       toggleClass(el, 'wrapped', css === wrapCss.wrapped);
  874.       toggleClass(el, 'unwrap', css === wrapCss.unwrap);
  875.     }
  876.   }
  877.  
  878.   function toggleMonospace(el) {
  879.     let tmp = closest(el, '.previewable-comment-form'),
  880.       // single comment
  881.       textarea = $('.comment-form-textarea', tmp);
  882.     if (textarea) {
  883.       toggleClass(textarea, 'ghd-monospace-font');
  884.       textarea.focus();
  885.       tmp = textarea.classList.contains('ghd-monospace-font');
  886.       toggleClass(el, 'ghd-icon-active', tmp);
  887.     }
  888.   }
  889.  
  890.   function toggleSibs(target, state) {
  891.     let el,
  892.       isCollapsed = state || target.classList.contains('ghd-file-collapsed'),
  893.       toggles = document.querySelectorAll('.file'),
  894.       indx = toggles.length;
  895.     while (indx--) {
  896.       el = toggles[indx];
  897.       if (el !== target) {
  898.         el.classList[isCollapsed ? 'add' : 'remove']('ghd-file-collapsed');
  899.       }
  900.     }
  901.   }
  902.  
  903.   function toggleFile(event, init) {
  904.     isUpdating = true;
  905.     let el = closest(event.target, '.file');
  906.     if (el && data.modeDiffToggle === '2') {
  907.       if (!init) {
  908.         el.classList.toggle('ghd-file-collapsed');
  909.       }
  910.       toggleSibs(el, true);
  911.     } else if (el) {
  912.       el.classList.toggle('ghd-file-collapsed');
  913.       // shift+click toggle all files!
  914.       if (event.shiftKey) {
  915.         toggleSibs(el);
  916.       }
  917.     }
  918.     isUpdating = false;
  919.   }
  920.  
  921.   function bindEvents() {
  922.     let el, menu, lastKey,
  923.       panel = $('#ghd-settings-inner'),
  924.       swatch = $('#ghd-swatch', panel);
  925.  
  926.     // finish initialization
  927.     $('#ghd-settings-inner .ghd-enable').checked = data.enable;
  928.     toggleClass($('body'), 'ghd-disabled', !data.enable);
  929.  
  930.     // Create our menu entry
  931.     menu = make({
  932.       el    : 'a',
  933.       cl4ss : 'dropdown-item',
  934.       html  : 'GitHub Dark Settings',
  935.       attr  : { id: 'ghd-menu' }
  936.     });
  937.  
  938.     el = $$('.header .dropdown-item[href="/settings/profile"], .header .dropdown-item[data-ga-click*="go to profile"]');
  939.     // get last found item - gists only have the "go to profile" item; GitHub has both
  940.     el = el[el.length - 1];
  941.     if (el) {
  942.       // insert after
  943.       el.parentNode.insertBefore(menu, el.nextSibling);
  944.       on($('#ghd-menu'), 'click', () => {
  945.         openPanel();
  946.       });
  947.     }
  948.  
  949.     on(document, 'keypress keydown', event => {
  950.       clearTimeout(timer);
  951.       // use "g+o" to open up ghd options panel
  952.       let openKeys = keyboardOpen.split('+'),
  953.         toggleKeys = keyboardToggle.split('+'),
  954.         key = String.fromCharCode(event.which).toLowerCase(),
  955.         panelVisible = $('#ghd-settings').classList.contains('in');
  956.  
  957.       // press escape to close the panel
  958.       if (event.which === 27 && panelVisible) {
  959.         closePanel();
  960.         return;
  961.       }
  962.       // use event.which from keypress for shortcuts
  963.       // prevent opening panel while typing "go" in comments
  964.       if (event.type === 'keydown' || /(input|textarea)/i.test(document.activeElement.nodeName)) {
  965.         return;
  966.       }
  967.       if (lastKey === openKeys[0] && key === openKeys[1]) {
  968.         if (panelVisible) {
  969.           closePanel();
  970.         } else {
  971.           openPanel();
  972.         }
  973.       }
  974.       if (lastKey === toggleKeys[0] && key === toggleKeys[1]) {
  975.         toggleStyle();
  976.       }
  977.       lastKey = key;
  978.       timer = setTimeout(() => {
  979.         lastKey = null;
  980.       }, keyboardDelay);
  981.  
  982.       // add shortcut to help menu
  983.       if (key === '?') {
  984.         // table doesn't exist until user presses "?"
  985.         setTimeout(() => {
  986.           buildShortcut();
  987.         }, 300);
  988.       }
  989.     });
  990.  
  991.     // add ghd-settings panel bindings
  992.     on($$('#ghd-settings, #ghd-settings-close'), 'click keyup', event => {
  993.       // press escape to close settings
  994.       if (event.type === 'keyup' && event.which !== 27) {
  995.         return;
  996.       }
  997.       closePanel();
  998.     });
  999.  
  1000.     on(panel, 'click', event => {
  1001.       event.stopPropagation();
  1002.     });
  1003.  
  1004.     on($('.ghd-reset', panel), 'click', event => {
  1005.       event.preventDefault();
  1006.       isUpdating = true;
  1007.       // pass true to reset values
  1008.       setStoredValues(true);
  1009.       // add reset values back to data
  1010.       getStoredValues();
  1011.       // add reset values to panel
  1012.       updatePanel();
  1013.       // update style
  1014.       updateStyle();
  1015.     });
  1016.  
  1017.     on($$('input[type="text"]', panel), 'focus', function() {
  1018.       // select all text when focused
  1019.       this.select();
  1020.     });
  1021.  
  1022.     on($$('select, input', panel), 'change', () => {
  1023.       if (!isUpdating) {
  1024.         updateStyle();
  1025.       }
  1026.     });
  1027.  
  1028.     on($('.ghd-update', panel), 'click', event => {
  1029.       event.preventDefault();
  1030.       forceUpdate();
  1031.     });
  1032.  
  1033.     on($('.ghd-textarea-toggle', panel), 'click', function(event) {
  1034.       event.preventDefault();
  1035.       let hidden, el;
  1036.       this.classList.remove('selected');
  1037.       el = next(this, '.ghd-paste-area-content');
  1038.       if (el) {
  1039.         hidden = el.style.display === 'none';
  1040.         el.style.display = hidden ? '' : 'none';
  1041.         if (el.style.display !== 'none') {
  1042.           el.classList.add('selected');
  1043.           el = $('textarea', el);
  1044.           el.focus();
  1045.           el.select();
  1046.         }
  1047.       }
  1048.       return false;
  1049.     });
  1050.  
  1051.     on($('.ghd-paste-area-content', panel), 'paste', event => {
  1052.       let toggle = $('.ghd-textarea-toggle', panel),
  1053.         textarea = event.target;
  1054.       setTimeout(() => {
  1055.         textarea.parentNode.style.display = 'none';
  1056.         toggle.classList.remove('selected');
  1057.         testing = true;
  1058.         forceUpdate(textarea.value);
  1059.       }, 200);
  1060.     });
  1061.  
  1062.     // Toggles
  1063.     on($('body'), 'click', event => {
  1064.       let target = event.target;
  1065.       if (data.enableCodeWrap && target.classList.contains('ghd-wrap-toggle')) {
  1066.         // **** CODE WRAP TOGGLE ****
  1067.         event.stopPropagation();
  1068.         toggleCodeWrap(target);
  1069.       } else if (data.enableMonospace && target.classList.contains('ghd-monospace')) {
  1070.         // **** MONOSPACE FONT TOGGLE ****
  1071.         event.stopPropagation();
  1072.         toggleMonospace(target);
  1073.         return false;
  1074.       } else if (data.modeDiffToggle !== '0' && target.classList.contains('ghd-file-toggle')) {
  1075.         // **** CODE DIFF COLLAPSE TOGGLE ****
  1076.         event.stopPropagation();
  1077.         toggleFile(event);
  1078.       }
  1079.     });
  1080.  
  1081.     // style color picker
  1082.     picker = new jscolor($('.ghd-color', panel));
  1083.     picker.zIndex = 65536;
  1084.     picker.hash = true;
  1085.     picker.backgroundColor = '#333';
  1086.     picker.padding = 0;
  1087.     picker.borderWidth = 0;
  1088.     picker.borderColor = '#444';
  1089.     picker.onFineChange = () => {
  1090.       swatch.style.backgroundColor = '#' + picker;
  1091.     };
  1092.   }
  1093.  
  1094.   function openPanel() {
  1095.     $('.modal-backdrop').click();
  1096.     updatePanel();
  1097.     $('#ghd-settings').classList.add('in');
  1098.   }
  1099.  
  1100.   function closePanel(flag) {
  1101.     $('#ghd-settings').classList.remove('in');
  1102.     picker.hide();
  1103.  
  1104.     if (flag === 'forced') {
  1105.       // forced update; partial re-initialization
  1106.       init();
  1107.     } else {
  1108.       // apply changes when the panel is closed
  1109.       updateStyle();
  1110.     }
  1111.   }
  1112.  
  1113.   function toggleStyle() {
  1114.     let isEnabled = !data.enable;
  1115.     data.enable = isEnabled;
  1116.     $('#ghd-settings-inner .ghd-enable').checked = isEnabled;
  1117.     // add processedCss back into style (emptied when disabled)
  1118.     if (isEnabled) {
  1119.       // data.processedCss is empty when ghd is disabled on init
  1120.       if (!data.processedCss) {
  1121.         processStyle();
  1122.       } else {
  1123.         addSavedStyle();
  1124.       }
  1125.     }
  1126.     $style.disabled = !isEnabled;
  1127.   }
  1128.  
  1129.   function init() {
  1130.     if (!document.head) return;
  1131.  
  1132.     document.head.appendChild($style);
  1133.     getStoredValues(true);
  1134.  
  1135.     $style.disabled = !data.enable;
  1136.     data.lastgithub = data.themeGH;
  1137.     data.lastcodemirror = data.themeCM;
  1138.     data.lastjupyter = data.themeJP;
  1139.     data.lastCW = data.enableCodeWrap;
  1140.     data.lastMS = data.enableMonospace;
  1141.     data.lastDT = data.modeDiffToggle;
  1142.  
  1143.     // only load package.json once a day, or after a forced update
  1144.     if ((new Date().getTime() > data.date + delay) || data.version === 0) {
  1145.       // get package.json from GitHub-Dark & compare versions
  1146.       // load new script if a newer one is available
  1147.       checkVersion();
  1148.     } else {
  1149.       addSavedStyle();
  1150.     }
  1151.     isInitialized = false;
  1152.   }
  1153.  
  1154.   // add style at document-start
  1155.   init();
  1156.  
  1157.   on(document, 'DOMContentLoaded', () => {
  1158.     if (isInitialized === 'pending') {
  1159.       // init after DOM loaded on .atom pages
  1160.       init();
  1161.     }
  1162.     // add panel even if you're not logged in - open panel using keyboard shortcut
  1163.     // just not on githubusercontent pages (no settings panel needed)
  1164.     if (window.location.host.indexOf('githubusercontent.com') < 0) {
  1165.       buildSettings();
  1166.       // add event binding on document ready
  1167.       bindEvents();
  1168.  
  1169.       $$(
  1170.         `#js-repo-pjax-container,
  1171.         #js-pjax-container,
  1172.         .js-contribution-activity,
  1173.         .js-diff-progressive-container`
  1174.       ).forEach(target => {
  1175.         new MutationObserver(mutations => {
  1176.           mutations.forEach(mutation => {
  1177.             // preform checks before adding code wrap to minimize function calls
  1178.             if (!isUpdating && mutation.target === target) {
  1179.               clearTimeout(mutationTimer);
  1180.               mutationTimer = setTimeout(() => {
  1181.                 updateToggles();
  1182.               }, 400);
  1183.             }
  1184.           });
  1185.         }).observe(target, {
  1186.           childList: true,
  1187.           subtree: true
  1188.         });
  1189.       });
  1190.     }
  1191.  
  1192.     isInitialized = true;
  1193.   });
  1194.  
  1195.   /* utility functions */
  1196.   function isBool(name) {
  1197.     let val = data[name];
  1198.     return typeof val === 'boolean' ? val : defaults[name];
  1199.   }
  1200.   function $(str, el) {
  1201.     return (el || document).querySelector(str);
  1202.   }
  1203.   function $$(str, el) {
  1204.     return Array.from((el || document).querySelectorAll(str));
  1205.   }
  1206.   function next(el, selector) {
  1207.     while ((el = el.nextElementSibling)) {
  1208.       if (el && el.matches(selector)) {
  1209.         return el;
  1210.       }
  1211.     }
  1212.     return null;
  1213.   }
  1214.   function closest(el, selector) {
  1215.     while (el && el.nodeType === 1) {
  1216.       if (el.matches(selector)) {
  1217.         return el;
  1218.       }
  1219.       el = el.parentNode;
  1220.     }
  1221.     return null;
  1222.   }
  1223.   function make(obj) {
  1224.     let key,
  1225.       el = document.createElement(obj.el);
  1226.     if (obj.cl4ss) { el.className = obj.cl4ss; }
  1227.     if (obj.html) { el.innerHTML = obj.html; }
  1228.     if (obj.attr) {
  1229.       for (key in obj.attr) {
  1230.         if (obj.attr.hasOwnProperty(key)) {
  1231.           el.setAttribute(key, obj.attr[key]);
  1232.         }
  1233.       }
  1234.     }
  1235.     if (obj.appendTo) {
  1236.       $(obj.appendTo).appendChild(el);
  1237.     }
  1238.     return el;
  1239.   }
  1240.   function removeAll(selector) {
  1241.     $$(selector).forEach(el => {
  1242.       el.parentNode.removeChild(el);
  1243.     });
  1244.   }
  1245.   function on(els, name, callback) {
  1246.     els = Array.isArray(els) ? els : [els];
  1247.     let events = name.split(/\s+/);
  1248.     els.forEach(el => {
  1249.       events.forEach(ev => {
  1250.         el.addEventListener(ev, callback);
  1251.       });
  1252.     });
  1253.   }
  1254.   function toggleClass(els, cl4ss, flag) {
  1255.     els = Array.isArray(els) ? els : [els];
  1256.     els.forEach(el => {
  1257.       if (el) {
  1258.         if (typeof flag === 'undefined') {
  1259.           flag = !el.classList.contains(cl4ss);
  1260.         }
  1261.         if (flag) {
  1262.           el.classList.add(cl4ss);
  1263.         } else {
  1264.           el.classList.remove(cl4ss);
  1265.         }
  1266.       }
  1267.     });
  1268.   }
  1269.  
  1270.   // Add GM options
  1271.   GM_registerMenuCommand("GitHub Dark Script debug logging", () => {
  1272.     let val = prompt('Toggle GitHub Dark Script debug log (true/false):', !debug);
  1273.     if (val) {
  1274.       debug = /^t/.test(val);
  1275.       GM_setValue('debug', debug);
  1276.     }
  1277.   });
  1278.  
  1279. })();