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GitHub Dark Script

GitHub Dark in userscript form, with a settings panel

Verze ze dne 01. 10. 2016. Zobrazit nejnovější verzi.

  1. // ==UserScript==
  2. // @name         GitHub Dark Script
  3. // @version      2.0.14
  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.     if (debug) {
  223.       if (init) {
  224.         console.log('GitHub-Dark Script initializing!');
  225.       }
  226.       console.log('Retrieved stored values', data);
  227.     }
  228.   }
  229.  
  230.   function setStoredValues(reset) {
  231.     data.processedCss = $style.textContent;
  232.     GM_setValue('data', reset ? defaults : data);
  233.     updatePanel();
  234.     if (debug) {
  235.       console.log((reset ? 'Resetting' : 'Saving') + ' current values', data);
  236.     }
  237.   }
  238.  
  239.   // modified from http://stackoverflow.com/a/5624139/145346
  240.   function hexToRgb(hex) {
  241.     let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  242.     return result ? [
  243.       parseInt(result[1], 16),
  244.       parseInt(result[2], 16),
  245.       parseInt(result[3], 16)
  246.     ].join(", ") : "";
  247.   }
  248.  
  249.   // convert version "1.2.3" into "001002003" for easier comparison
  250.   function convertVersion(val) {
  251.     let index,
  252.       parts = val ? val.split('.') : '',
  253.       str = '',
  254.       len = parts.length;
  255.     for (index = 0; index < len; index++) {
  256.       str += ('000' + parts[index]).slice(-3);
  257.     }
  258.     if (debug) {
  259.       console.log(`Converted version "${val}" to "${str}" for easy comparison`);
  260.     }
  261.     return val ? str : val;
  262.   }
  263.  
  264.   function checkVersion() {
  265.     if (debug) {
  266.       console.log('Fetching package.json');
  267.     }
  268.     GM_xmlhttpRequest({
  269.       method : 'GET',
  270.       url : root + 'package.json',
  271.       onload : response => {
  272.         let pkg = JSON.parse(response.responseText);
  273.  
  274.         // save last loaded date, so package.json is only loaded once a day
  275.         data.date = new Date().getTime();
  276.  
  277.         let ver = convertVersion(pkg.version);
  278.         // if new available, load it & parse
  279.         if (ver > data.version) {
  280.           if (data.version !== 0 && debug) {
  281.             console.log('Updating from ${data.version} to ${ver}');
  282.           }
  283.           data.version = ver;
  284.           fetchAndApplyStyle();
  285.         } else {
  286.           addSavedStyle();
  287.         }
  288.         // save new date/version
  289.         GM_setValue('data', data);
  290.       }
  291.     });
  292.   }
  293.  
  294.   function fetchAndApplyStyle() {
  295.     if (debug) {
  296.       console.log(`Fetching ${root}github-dark.css`);
  297.     }
  298.     GM_xmlhttpRequest({
  299.       method : 'GET',
  300.       url : root + 'github-dark.css',
  301.       onload : response => {
  302.         data.rawCss = response.responseText;
  303.         processStyle();
  304.       }
  305.     });
  306.   }
  307.  
  308.   // load syntax highlighting theme
  309.   function fetchAndApplyTheme() {
  310.     if (!data.enable) {
  311.       if (debug) {
  312.         console.log('Disabled: stop theme processing');
  313.       }
  314.       return;
  315.     }
  316.     if (data.lastTheme === data.theme && data.themeCss !== '') {
  317.       return applyTheme();
  318.     }
  319.     let name = data.theme || 'Twilight',
  320.       themeUrl = root + 'themes/' + themes[name];
  321.     if (debug) {
  322.       console.log(`Fetching ${name} theme`, themeUrl);
  323.     }
  324.     GM_xmlhttpRequest({
  325.       method : 'GET',
  326.       url : themeUrl,
  327.       onload : response => {
  328.         let theme = response.responseText;
  329.         if (response.status === 200 && theme) {
  330.           data.themeCss = theme;
  331.           data.lastTheme = name;
  332.           applyTheme();
  333.         } else {
  334.           throw Error(`Failed to load theme file: "${theme}"`);
  335.         }
  336.       }
  337.     });
  338.   }
  339.  
  340.   function applyTheme() {
  341.     if (debug) {
  342.       console.log('Adding syntax theme "' + (data.themeCss || '').match(regex) + '" to css');
  343.     }
  344.     let css = data.processedCss || '';
  345.     css = css.replace('/*[[syntax-theme]]*/', data.themeCss || '');
  346.     applyStyle(css);
  347.     setStoredValues();
  348.     isUpdating = false;
  349.   }
  350.  
  351.   function processStyle() {
  352.     let url = /^url/.test(data.image || '') ? data.image :
  353.       (data.image === 'none' ? 'none' : 'url("' + data.image + '")');
  354.     if (!data.enable) {
  355.       if (debug) {
  356.         console.log('Disabled: stop processing');
  357.       }
  358.       return;
  359.     }
  360.     if (debug) {
  361.       console.log('Processing set styles');
  362.     }
  363.  
  364.     let processed = (data.rawCss || '')
  365.       // remove moz-document wrapper
  366.       .replace(/@-moz-document regexp\((.*)\) \{(\n|\r)+/, '')
  367.       // replace background image; if no 'url' at start, then use 'none'
  368.       .replace(/\/\*\[\[bg-choice\]\]\*\/ url\(.*\)/, url)
  369.       // Add tiled or fit window size css
  370.       .replace('/*[[bg-options]]*/', type[data.type || 'tiled'])
  371.       // set scroll or fixed background image
  372.       .replace('/*[[bg-attachment]]*/ fixed', data.attach || 'scroll')
  373.       // replace base-color
  374.       .replace(/\/\*\[\[base-color\]\]\*\/ #\w{3,6}/g, data.color || '#4183C4')
  375.       // replace base-color-rgb
  376.       .replace(/\/\*\[\[base-color-rgb\]\]\*\//g, hexToRgb(data.color || '#4183c4'))
  377.       // add font choice
  378.       .replace('/*[[font-choice]]*/', data.font || 'Menlo')
  379.       // add tab size
  380.       .replace(/\/\*\[\[tab-size\]\]\*\/ \d+/g, data.tab || 4)
  381.       // code wrap css
  382.       .replace('/*[[code-wrap]]*/', data.wrap ? wrapCodeCss : '')
  383.       // remove default syntax
  384.       .replace(/\s+\/\* grunt build - remove to end of file(.*(\n|\r))+\}$/m, '');
  385.  
  386.     // see https://github.com/StylishThemes/GitHub-Dark/issues/275
  387.     if (/firefox/i.test(navigator.userAgent)) {
  388.       processed = processed
  389.         // line in github-dark.css = "select, input:not(.btn-link), textarea"
  390.         .replace('select, input:not(.btn-link)', 'input { color:#eee !important; } select')
  391.         .replace(/input\[type=\"checkbox\"\][\s\S]+?}/gm, '');
  392.     }
  393.     data.processedCss = processed;
  394.     fetchAndApplyTheme();
  395.   }
  396.  
  397.   function applyStyle(css) {
  398.     if (debug) {
  399.       console.log('Applying style', '"' + (css || '').match(regex) + '"');
  400.     }
  401.     $style.textContent = css || '';
  402.   }
  403.  
  404.   function addSavedStyle() {
  405.     if (debug) {
  406.       console.log('Adding previously saved style');
  407.     }
  408.     // apply already processed css to prevent FOUC
  409.     $style.textContent = data.processedCss;
  410.   }
  411.  
  412.   function updateStyle() {
  413.     isUpdating = true;
  414.  
  415.     if (debug) {
  416.       console.log('Updating user settings');
  417.     }
  418.  
  419.     let body = $('body'),
  420.       panel = $('#ghd-settings-inner');
  421.  
  422.     data.attach = $('.ghd-attach', panel).value;
  423.     // get hex value directly
  424.     data.color = picker.toHEXString();
  425.     data.enable = $('.ghd-enable', panel).checked;
  426.     data.font   = $('.ghd-font', panel).value;
  427.     data.image  = $('.ghd-image', panel).value;
  428.     data.tab    = $('.ghd-tab', panel).value;
  429.     data.theme  = $('.ghd-theme', panel).value;
  430.     data.type   = $('.ghd-type', panel).value;
  431.     data.wrap   = $('.ghd-wrap', panel).checked;
  432.  
  433.     data.enableCodeWrap  = $('.ghd-codewrap-checkbox', panel).checked;
  434.     data.enableMonospace = $('.ghd-monospace-checkbox', panel).checked;
  435.  
  436.     data.modeDiffToggle  = $('.ghd-diff-select', panel).value;
  437.  
  438.     $style.disabled = !data.enable;
  439.  
  440.     toggleClass(body, 'ghd-disabled', !data.enable);
  441.     toggleClass(body, 'nowrap', !data.wrap);
  442.  
  443.     if (testing) {
  444.       processStyle();
  445.       testing = false;
  446.     } else {
  447.       fetchAndApplyStyle();
  448.     }
  449.     isUpdating = false;
  450.   }
  451.  
  452.   // user can force GitHub-dark update
  453.   function forceUpdate(css) {
  454.     if (css) {
  455.       // add raw css directly for style testing
  456.       data.rawCss = css;
  457.       processStyle();
  458.     } else {
  459.       // clear saved date
  460.       data.version = 0;
  461.       data.themeCss = '';
  462.       GM_setValue('data', data);
  463.       closePanel('forced');
  464.     }
  465.   }
  466.  
  467.   function getVersionTooltip() {
  468.     let indx,
  469.       ver = [],
  470.       // convert stored css version from "001014049" into "1.14.49" for tooltip
  471.       parts = String(data.version).match(/\d{3}/g),
  472.       len = parts && parts.length || 0;
  473.     for (indx = 0; indx < len; indx++) {
  474.       ver.push(parseInt(parts[indx], 10));
  475.     }
  476.     return `Script v${version}\nCSS ${(ver.length ? 'v' + ver.join('.') : 'unknown')}`;
  477.   }
  478.  
  479.   function buildSettings() {
  480.     if (debug) {
  481.       console.log('Adding settings panel & GitHub Dark link to profile dropdown');
  482.     }
  483.     // Script-specific CSS
  484.     GM_addStyle(`
  485.       #ghd-menu:hover { cursor:pointer }
  486.       #ghd-settings { position:fixed; z-index:65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden; }
  487.       #ghd-settings.in { opacity:1; visibility:visible; background:rgba(0,0,0,.5); }
  488.       #ghd-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; color:#c0c0c0 }
  489.       #ghd-settings label { margin-left:.5rem; position:relative; top:-1px }
  490.       #ghd-settings-close { height:1rem; width:1rem; fill:#666; float:right; cursor:pointer }
  491.       #ghd-settings-close:hover { fill:#ccc }
  492.       #ghd-settings .ghd-right { float:right; padding:5px; }
  493.       #ghd-settings p { line-height:22px; }
  494.       #ghd-settings .form-select, #ghd-settings input[type="text"] { height:30px; min-height:30px; }
  495.       #ghd-swatch { width:25px; height:22px; display:inline-block; margin:3px 10px; border-radius:4px; }
  496.       #ghd-settings input, #ghd-settings select { border:#555 1px solid; }
  497.       #ghd-settings .ghd-attach, #ghd-settings .ghd-diff-select { padding-right:25px; }
  498.       #ghd-settings input[type="checkbox"] { margin-top:3px; width: 16px !important; height: 16px !important; border-radius: 3px !important; }
  499.       #ghd-settings .boxed-group-inner { padding:0; }
  500.       #ghd-settings .ghd-footer { padding:10px; border-top:#555 solid 1px; }
  501.       #ghd-settings .ghd-settings-wrapper { max-height:60vh; overflow-y:auto; padding:4px 10px; }
  502.       #ghd-settings .ghd-tab { width:5em; }
  503.       #ghd-settings .octicon { vertical-align:text-bottom !important; }
  504.       #ghd-settings .ghd-paste-area { position:absolute; bottom:50px; top:37px; left:2px; right:2px; width:396px !important; height:-moz-calc(100% - 85px);
  505.         resize:none !important; border-style:solid; z-index:0; }
  506.  
  507.       /* code wrap toggle: https://gist.github.com/silverwind/6c1701f56e62204cc42b
  508.       icons next to a pre */
  509.       .ghd-wrap-toggle { position:absolute; right:1.4em; margin-top:.2em; -moz-user-select:none; -webkit-user-select:none; cursor:pointer; z-index:20; }
  510.       /* file & diff code tables */
  511.       .ghd-wrap-table .blob-code-inner { white-space:pre-wrap !important; word-break:break-all !important; }
  512.       .ghd-unwrap-table .blob-code-inner { white-space:pre !important; word-break:normal !important; }
  513.       .ghd-wrap-toggle > *, .ghd-monospace > *, .ghd-file-toggle > * { pointer-events:none; vertical-align:middle !important; }
  514.       /* icons inside a wrapper immediatly around a pre */
  515.       .highlight > .ghd-wrap-toggle { right:.5em; top:.5em; margin-top:0; }
  516.       /* icons for non-syntax highlighted code blocks; see https://github.com/gjtorikian/html-proofer/blob/master/README.md */
  517.       .markdown-body:not(.comment-body) .ghd-wrap-toggle:not(:first-child) { right:3.4em; }
  518.       .ghd-wrap-toggle svg { height:1.25em; width:1.25em; fill:rgba(110,110,110,.4); }
  519.       /* wrap disabled (red) */
  520.       .ghd-wrap-toggle.unwrap:hover svg, .ghd-wrap-toggle:hover svg { fill:#8b0000; }
  521.       /* wrap enabled (green) */
  522.       body:not(.nowrap) .ghd-wrap-toggle:not(.unwrap):hover svg, .ghd-wrap-toggle.wrapped:hover svg { fill:#006400; }
  523.       .blob-wrapper, .markdown-body pre, .markdown-body .highlight { position:relative; }
  524.       /* monospace font toggle */
  525.       .ghd-monospace-font { font-family:"${data.font}", Menlo, Inconsolata, "Droid Mono", monospace !important; font-size:1em !important; }
  526.       /* file collapsed icon */
  527.       .ghd-file-collapsed > :not(.file-header) { display:none !important; }
  528.       .ghd-file-collapsed .ghd-file-toggle svg { -webkit-transform:rotate(90deg); transform:rotate(90deg); }
  529.     `);
  530.  
  531.     let indx, theme, icon,
  532.       opts = '',
  533.       ver = getVersionTooltip(),
  534.       names = Object.keys(themes),
  535.       len = names.length;
  536.     for (indx = 0; indx < len; indx++) {
  537.       theme = names[indx];
  538.       opts += `<option value="${theme}">${theme}</option>`;
  539.     }
  540.  
  541.     // circle-question-mark icon
  542.     icon = `
  543.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" height="16" width="14" viewBox="0 0 16 14">
  544.         <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" />
  545.       </svg>
  546.     `;
  547.  
  548.     // Settings panel markup
  549.     make({
  550.       el : 'div',
  551.       appendTo: 'body',
  552.       attr : { id: 'ghd-settings' },
  553.       html : `
  554.         <div id="ghd-settings-inner" class="boxed-group">
  555.           <h3>GitHub-Dark Settings
  556.             <a href="https://github.com/StylishThemes/GitHub-Dark-Script/wiki" class="tooltipped tooltipped-e" aria-label="See documentation">${icon}</a>
  557.             <svg id="ghd-settings-close" xmlns="http://www.w3.org/2000/svg" width="768" height="768" viewBox="160 160 608 608"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>
  558.           </h3>
  559.           <div class="boxed-group-inner">
  560.             <form>
  561.               <div class="ghd-settings-wrapper">
  562.                 <p class="ghd-checkbox">
  563.                   <label>Enable GitHub-Dark<input class="ghd-enable ghd-right" type="checkbox"></label>
  564.                 </p>
  565.                 <p>
  566.                   <label>Color:</label>
  567.                   <input class="ghd-color ghd-right" type="text" value="#4183C4">
  568.                   <span id="ghd-swatch" class="ghd-right"></span>
  569.                 </p>
  570.                 <h4>Background</h4>
  571.                 <p>
  572.                   <label>Image:</label>
  573.                   <input class="ghd-image ghd-right" type="text">
  574.                   <a href="https://github.com/StylishThemes/GitHub-Dark/wiki/Image" class="tooltipped tooltipped-e" aria-label="Click to learn about GitHub\'s Content Security&#10;Policy and how to add a custom image">${icon}</a>
  575.                 </p>
  576.                 <p>
  577.                   <label>Image type:</label>
  578.                   <select class="ghd-type ghd-right form-select">
  579.                     <option value="tiled">Tiled</option>
  580.                     <option value="fit">Fit window</option>
  581.                   </select>
  582.                 </p>
  583.                 <p>
  584.                   <label>Image attachment:</label>
  585.                   <select class="ghd-attach ghd-right form-select">
  586.                     <option value="scroll">Scroll</option>
  587.                     <option value="fixed">Fixed</option>
  588.                   </select>
  589.                 </p>
  590.                 <h4>Code</h4>
  591.                 <p><label>Theme:</label> <select class="ghd-theme ghd-right form-select">${opts}</select></p>
  592.                 <p>
  593.                   <label>Font Name:</label> <input class="ghd-font ghd-right" type="text">
  594.                   <a href="http://www.cssfontstack.com/" class="tooltipped tooltipped-e" aria-label="Add a system installed (monospaced) font name;&#10;this script will not load external fonts!">${icon}</a>
  595.                 </p>
  596.                 <p>
  597.                   <label>Tab Size:</label> <input class="ghd-tab ghd-right" type="text">
  598.                 </p>
  599.                 <p class="ghd-checkbox">
  600.                   <label>Wrap<input class="ghd-wrap ghd-right" type="checkbox"></label>
  601.                 </p>
  602.                 <h4>Toggles</h4>
  603.                 <p class="ghd-checkbox">
  604.                   <label>Code Wrap<input class="ghd-codewrap-checkbox ghd-right" type="checkbox"></label>
  605.                 </p>
  606.                 <p class="ghd-checkbox">
  607.                   <label>Comment Monospace Font<input class="ghd-monospace-checkbox ghd-right" type="checkbox"></label>
  608.                 </p>
  609.                 <p class="ghd-range">
  610.                   <label>Diff File Collapse</label>
  611.                   <select class="ghd-diff-select ghd-right form-select">
  612.                     <option value="0">Disabled</option>
  613.                     <option value="1">Enabled</option>
  614.                     <option value="2">Accordion</option>
  615.                   </select>
  616.                 </p>
  617.               </div>
  618.               <div class="ghd-footer">
  619.                 <div class="BtnGroup">
  620.                   <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>
  621.                   <a href="#" class="ghd-textarea-toggle btn btn-sm tooltipped tooltipped-n" aria-label="Paste CSS update">
  622.                     <svg xmlns="http://www.w3.org/2000/svg" width="8" height="8" viewBox="0 0 16 16" fill="#eee">
  623.                       <path d="M15 11 1 11 8 3z"/>
  624.                     </svg>
  625.                   </a>
  626.                   <div class="ghd-paste-area-content" aria-hidden="true" style="display:none">
  627.                     <textarea class="ghd-paste-area" placeholder="Paste GitHub-Dark Style here!"></textarea>
  628.                   </div>
  629.                 </div>&nbsp;
  630.                 <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>
  631.                 <span class="ghd-versions ghd-right tooltipped tooltipped-n" aria-label="${ver}">
  632.                   <svg class="ghd-info" xmlns="http://www.w3.org/2000/svg" width="16px" height="16px" viewBox="0 0 24 24">
  633.                     <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"/>
  634.                   </svg>
  635.                 </span>
  636.               </div>
  637.             </form>
  638.           </div>
  639.         </div>
  640.       `
  641.     });
  642.  
  643.     updateToggles();
  644.   }
  645.  
  646.   // Add code wrap toggle
  647.   function buildCodeWrap() {
  648.     // mutation events happen quick, so we still add an update flag
  649.     isUpdating = true;
  650.     let icon = make({
  651.       el    : 'div',
  652.       cl4ss : 'ghd-wrap-toggle tooltipped tooltipped-w',
  653.       attr  : { 'aria-label' : 'Toggle code wrap' },
  654.       html  : wrapIcon
  655.     });
  656.     $$('.blob-wrapper').forEach(el => {
  657.       el.insertBefore(icon.cloneNode(true), el.childNodes[0]);
  658.     });
  659.     $$('.markdown-body pre').forEach(el => {
  660.       el.parentNode.insertBefore(icon.cloneNode(true), el);
  661.     });
  662.     isUpdating = false;
  663.   }
  664.  
  665.   // Add monospace font toggle
  666.   function addMonospaceToggle() {
  667.     isUpdating = true;
  668.     let button = make({
  669.       el    : 'button',
  670.       cl4ss : 'ghd-monospace toolbar-item tooltipped tooltipped-n',
  671.       attr  : {
  672.         'type' : 'button',
  673.         'aria-label' : 'Toggle monospaced font',
  674.         'tabindex' : '-1'
  675.       },
  676.       html  : monospaceIcon
  677.     });
  678.     $$('.toolbar-commenting').forEach(el => {
  679.       if (!$('.ghd-monospace', el)) {
  680.         // prepend
  681.         el.insertBefore(button.cloneNode(true), el.childNodes[0]);
  682.       }
  683.     });
  684.     isUpdating = false;
  685.   }
  686.  
  687.   // Add file diffs toggle
  688.   function addFileToggle() {
  689.     isUpdating = true;
  690.     let firstButton,
  691.       button = make({
  692.         el    : 'button',
  693.         cl4ss : 'ghd-file-toggle btn btn-sm tooltipped tooltipped-n',
  694.         attr  : {
  695.           'type' : 'button',
  696.           'aria-label' : 'Click to Expand or Collapse file',
  697.           'tabindex' : '-1'
  698.         },
  699.         html  : fileIcon
  700.       });
  701.     $$('#files .file-actions').forEach(el => {
  702.       if (!$('.ghd-file-toggle', el)) {
  703.         el.appendChild(button.cloneNode(true));
  704.       }
  705.     });
  706.     firstButton = $('.ghd-file-toggle');
  707.     // accordion mode = start with all but first entry collapsed
  708.     if (firstButton && data.modeDiffToggle === '2') {
  709.       toggleFile({
  710.         target: firstButton
  711.       }, true);
  712.     }
  713.     isUpdating = false;
  714.   }
  715.  
  716.   // Add toggle buttons after page updates
  717.   function updateToggles() {
  718.     if (data.enableCodeWrap) {
  719.       buildCodeWrap();
  720.     } else {
  721.       removeAll('.ghd-wrap-toggle');
  722.       toggleClass($$('.ghd-file-collapsed'), 'ghd-file-collapsed', false);
  723.     }
  724.     if (data.enableMonospace) {
  725.       addMonospaceToggle();
  726.     } else {
  727.       removeAll('.ghd-monospace');
  728.       toggleClass($$('.ghd-monospace-font'), 'ghd-monospace-font', false);
  729.     }
  730.     if (data.modeDiffToggle !== '0') {
  731.       addFileToggle();
  732.     } else {
  733.       removeAll('.ghd-file-toggle');
  734.       toggleClass($$('.ghd-file-collapsed'), 'ghd-file-collapsed', false);
  735.     }
  736.   }
  737.  
  738.   function makeRow(vals, str) {
  739.     return make({
  740.       el : 'tr',
  741.       cl4ss : 'ghd-shortcut',
  742.       html : `<td class="keys"><kbd>${vals[0]}</kbd> <kbd>${vals[1]}</kbd></td><td>${str}</td>`
  743.     });
  744.   }
  745.  
  746.   // add keyboard shortcut to help menu (press "?")
  747.   function buildShortcut() {
  748.     let row,
  749.       el = $('.keyboard-mappings tbody');
  750.     if (el && !$('.ghd-shortcut')) {
  751.       row = makeRow(keyboardOpen.split('+'), 'GitHub-Dark: open settings');
  752.       el.appendChild(row);
  753.       row = makeRow(keyboardToggle.split('+'), 'GitHub-Dark: toggle style');
  754.       el.appendChild(row);
  755.     }
  756.   }
  757.  
  758.   function toggleCodeWrap(el) {
  759.     let css,
  760.       overallWrap = data.wrap,
  761.       code = next(el, '.highlight, .diff-table, code, pre'),
  762.       tmp = code ? $('code', code) : '';
  763.     if (tmp) {
  764.       // find code element
  765.       code = tmp;
  766.     }
  767.     if (!code) {
  768.       if (debug) {
  769.         console.log('Code wrap icon associated code not found', el);
  770.       }
  771.       return;
  772.     }
  773.     // code with line numbers
  774.     if (code.nodeName === 'TABLE') {
  775.       if (code.className.indexOf('ghd-') < 0) {
  776.         css = !overallWrap;
  777.       } else {
  778.         css = code.classList.contains('ghd-unwrap-table');
  779.       }
  780.       toggleClass(code, 'ghd-wrap-table', css);
  781.       toggleClass(code, 'ghd-unwrap-table', !css);
  782.       toggleClass(el, 'wrapped', css);
  783.       toggleClass(el, 'unwrap', !css);
  784.     } else {
  785.       css = code.getAttribute('style') || '';
  786.       if (css === '') {
  787.         css = wrapCss[overallWrap ? 'unwrap' : 'wrapped'];
  788.       } else {
  789.         css = wrapCss[css === wrapCss.wrapped ? 'unwrap' : 'wrapped'];
  790.       }
  791.       code.setAttribute('style', css);
  792.       toggleClass(el, 'wrapped', css === wrapCss.wrapped);
  793.       toggleClass(el, 'unwrap', css === wrapCss.unwrap);
  794.     }
  795.   }
  796.  
  797.   function toggleMonospace(el) {
  798.     let tmp = closest(el, '.previewable-comment-form'),
  799.       // single comment
  800.       textarea = $('.comment-form-textarea', tmp);
  801.     if (textarea) {
  802.       toggleClass(textarea, 'ghd-monospace-font');
  803.       textarea.focus();
  804.       tmp = textarea.classList.contains('ghd-monospace-font');
  805.       toggleClass(el, 'ghd-icon-active', tmp);
  806.     }
  807.   }
  808.  
  809.   function toggleSibs(target, state) {
  810.     let el,
  811.       isCollapsed = state || target.classList.contains('ghd-file-collapsed'),
  812.       toggles = document.querySelectorAll('.file'),
  813.       indx = toggles.length;
  814.     while (indx--) {
  815.       el = toggles[indx];
  816.       if (el !== target) {
  817.         el.classList[isCollapsed ? 'add' : 'remove']('ghd-file-collapsed');
  818.       }
  819.     }
  820.   }
  821.  
  822.   function toggleFile(event, init) {
  823.     isUpdating = true;
  824.     let el = closest(event.target, '.file');
  825.     if (data.modeDiffToggle === '2') {
  826.       if (!init) {
  827.         el.classList.toggle('ghd-file-collapsed');
  828.       }
  829.       toggleSibs(el, true);
  830.     } else {
  831.       el.classList.toggle('ghd-file-collapsed');
  832.       // shift+click toggle all files!
  833.       if (event.shiftKey) {
  834.         toggleSibs(el);
  835.       }
  836.     }
  837.     isUpdating = false;
  838.   }
  839.  
  840.   function bindEvents() {
  841.     let el, menu, lastKey,
  842.       panel = $('#ghd-settings-inner'),
  843.       swatch = $('#ghd-swatch', panel);
  844.  
  845.     // finish initialization
  846.     $('#ghd-settings-inner .ghd-enable').checked = data.enable;
  847.     toggleClass($('body'), 'ghd-disabled', !data.enable);
  848.  
  849.     // Create our menu entry
  850.     menu = make({
  851.       el : 'a',
  852.       cl4ss : 'dropdown-item',
  853.       html : 'GitHub Dark Settings',
  854.       attr : { id : 'ghd-menu' }
  855.     });
  856.  
  857.     el = $$('.header .dropdown-item[href="/settings/profile"], .header .dropdown-item[data-ga-click*="go to profile"]');
  858.     // get last found item - gists only have the "go to profile" item; GitHub has both
  859.     el = el[el.length - 1];
  860.     if (el) {
  861.       // insert after
  862.       el.parentNode.insertBefore(menu, el.nextSibling);
  863.       on($('#ghd-menu'), 'click', () => {
  864.         openPanel();
  865.       });
  866.     }
  867.  
  868.     on(document, 'keypress keydown', event => {
  869.       clearTimeout(timer);
  870.       // use "g+o" to open up ghd options panel
  871.       let openKeys = keyboardOpen.split('+'),
  872.         toggleKeys = keyboardToggle.split('+'),
  873.         key = String.fromCharCode(event.which).toLowerCase(),
  874.         panelVisible = $('#ghd-settings').classList.contains('in');
  875.  
  876.       // press escape to close the panel
  877.       if (event.which === 27 && panelVisible) {
  878.         closePanel();
  879.         return;
  880.       }
  881.       // use event.which from keypress for shortcuts
  882.       // prevent opening panel while typing "go" in comments
  883.       if (event.type === 'keydown' || /(input|textarea)/i.test(document.activeElement.nodeName)) {
  884.         return;
  885.       }
  886.       if (lastKey === openKeys[0] && key === openKeys[1]) {
  887.         if (panelVisible) {
  888.           closePanel();
  889.         } else {
  890.           openPanel();
  891.         }
  892.       }
  893.       if (lastKey === toggleKeys[0] && key === toggleKeys[1]) {
  894.         toggleStyle();
  895.       }
  896.       lastKey = key;
  897.       timer = setTimeout(() => {
  898.         lastKey = null;
  899.       }, keyboardDelay);
  900.  
  901.       // add shortcut to help menu
  902.       if (key === '?') {
  903.         // table doesn't exist until user presses "?"
  904.         setTimeout(() => {
  905.           buildShortcut();
  906.         }, 300);
  907.       }
  908.     });
  909.  
  910.     // add ghd-settings panel bindings
  911.     on($$('#ghd-settings, #ghd-settings-close'), 'click keyup', event => {
  912.       // press escape to close settings
  913.       if (event.type === 'keyup' && event.which !== 27) {
  914.         return;
  915.       }
  916.       closePanel();
  917.     });
  918.  
  919.     on(panel, 'click', event => {
  920.       event.stopPropagation();
  921.     });
  922.  
  923.     on($('.ghd-reset', panel), 'click', event => {
  924.       event.preventDefault();
  925.       isUpdating = true;
  926.       // pass true to reset values
  927.       setStoredValues(true);
  928.       // add reset values back to data
  929.       getStoredValues();
  930.       // add reset values to panel
  931.       updatePanel();
  932.       // update style
  933.       updateStyle();
  934.     });
  935.  
  936.     on($$('input[type="text"]', panel), 'focus', function() {
  937.       // select all text when focused
  938.       this.select();
  939.     });
  940.  
  941.     on($$('select, input', panel), 'change', () => {
  942.       if (!isUpdating) {
  943.         updateStyle();
  944.       }
  945.     });
  946.  
  947.     on($('.ghd-update', panel), 'click', event => {
  948.       event.preventDefault();
  949.       forceUpdate();
  950.     });
  951.  
  952.     on($('.ghd-textarea-toggle', panel), 'click', function(event) {
  953.       event.preventDefault();
  954.       let hidden, el;
  955.       this.classList.remove('selected');
  956.       el = next(this, '.ghd-paste-area-content');
  957.       if (el) {
  958.         hidden = el.style.display === 'none';
  959.         el.style.display = hidden ? '' : 'none';
  960.         if (el.style.display !== 'none') {
  961.           el.classList.add('selected');
  962.           el = $('textarea', el);
  963.           el.focus();
  964.           el.select();
  965.         }
  966.       }
  967.       return false;
  968.     });
  969.  
  970.     on($('.ghd-paste-area-content', panel), 'paste', event => {
  971.       let toggle = $('.ghd-textarea-toggle', panel),
  972.         textarea = event.target;
  973.       setTimeout(() => {
  974.         textarea.parentNode.style.display = 'none';
  975.         toggle.classList.remove('selected');
  976.         testing = true;
  977.         forceUpdate(textarea.value);
  978.       }, 200);
  979.     });
  980.  
  981.     // Toggles
  982.     on($('body'), 'click', event => {
  983.       let target = event.target;
  984.       if (data.enableCodeWrap && target.classList.contains('ghd-wrap-toggle')) {
  985.         // **** CODE WRAP TOGGLE ****
  986.         event.stopPropagation();
  987.         toggleCodeWrap(target);
  988.       } else if (data.enableMonospace && target.classList.contains('ghd-monospace')) {
  989.         // **** MONOSPACE FONT TOGGLE ****
  990.         event.stopPropagation();
  991.         toggleMonospace(target);
  992.         return false;
  993.       } else if (data.modeDiffToggle !== '0' && target.classList.contains('ghd-file-toggle')) {
  994.         // **** CODE DIFF COLLAPSE TOGGLE ****
  995.         event.stopPropagation();
  996.         toggleFile(event);
  997.       }
  998.     });
  999.  
  1000.     // style color picker
  1001.     picker = new jscolor($('.ghd-color', panel));
  1002.     picker.zIndex = 65536;
  1003.     picker.hash = true;
  1004.     picker.backgroundColor = '#333';
  1005.     picker.padding = 0;
  1006.     picker.borderWidth = 0;
  1007.     picker.borderColor = '#444';
  1008.     picker.onFineChange = () => {
  1009.       swatch.style.backgroundColor = '#' + picker;
  1010.     };
  1011.   }
  1012.  
  1013.   function openPanel() {
  1014.     $('.modal-backdrop').click();
  1015.     updatePanel();
  1016.     $('#ghd-settings').classList.add('in');
  1017.   }
  1018.  
  1019.   function closePanel(flag) {
  1020.     $('#ghd-settings').classList.remove('in');
  1021.     picker.hide();
  1022.  
  1023.     if (flag === 'forced') {
  1024.       // forced update; partial re-initialization
  1025.       init();
  1026.     } else {
  1027.       // apply changes when the panel is closed
  1028.       updateStyle();
  1029.     }
  1030.   }
  1031.  
  1032.   function toggleStyle() {
  1033.     let isEnabled = !data.enable;
  1034.     data.enable = isEnabled;
  1035.     $('#ghd-settings-inner .ghd-enable').checked = isEnabled;
  1036.     // add processedCss back into style (emptied when disabled)
  1037.     if (isEnabled) {
  1038.       // data.processedCss is empty when ghd is disabled on init
  1039.       if (!data.processedCss) {
  1040.         processStyle();
  1041.       } else {
  1042.         addSavedStyle();
  1043.       }
  1044.     }
  1045.     $style.disabled = !isEnabled;
  1046.   }
  1047.  
  1048.   function init() {
  1049.     if ($('body')) {
  1050.       $('body').appendChild($style);
  1051.       getStoredValues(true);
  1052.  
  1053.       $style.disabled = !data.enable;
  1054.       data.lastTheme = data.theme;
  1055.       data.lastCW = data.enableCodeWrap;
  1056.       data.lastMS = data.enableMonospace;
  1057.       data.lastDT = data.modeDiffToggle;
  1058.  
  1059.       // only load package.json once a day, or after a forced update
  1060.       if ((new Date().getTime() > data.date + delay) || data.version === 0) {
  1061.         // get package.json from GitHub-Dark & compare versions
  1062.         // load new script if a newer one is available
  1063.         checkVersion();
  1064.       } else {
  1065.         addSavedStyle();
  1066.       }
  1067.       isInitialized = false;
  1068.     }
  1069.   }
  1070.  
  1071.   // add style at document-start
  1072.   init();
  1073.  
  1074.   on(document, 'DOMContentLoaded', () => {
  1075.     if (isInitialized === 'pending') {
  1076.       // init after DOM loaded on .atom pages
  1077.       init();
  1078.     }
  1079.     // add panel even if you're not logged in - open panel using keyboard shortcut
  1080.     // just not on githubusercontent pages (no settings panel needed)
  1081.     if (window.location.host.indexOf('githubusercontent.com') < 0) {
  1082.       buildSettings();
  1083.       // add event binding on document ready
  1084.       bindEvents();
  1085.  
  1086.       $$('#js-repo-pjax-container, #js-pjax-container, .js-contribution-activity').forEach(target => {
  1087.         new MutationObserver(mutations => {
  1088.           mutations.forEach(mutation => {
  1089.             // preform checks before adding code wrap to minimize function calls
  1090.             if (!(isUpdating || $$('.ghd-wrap-toggle').length) &&
  1091.               mutation.target === target) {
  1092.               updateToggles();
  1093.             }
  1094.           });
  1095.         }).observe(target, {
  1096.           childList: true,
  1097.           subtree: true
  1098.         });
  1099.       });
  1100.     }
  1101.  
  1102.     isInitialized = true;
  1103.   });
  1104.  
  1105.   /* utility functions */
  1106.   function isBool(name) {
  1107.     let val = data[name];
  1108.     return typeof val === 'boolean' ? val : defaults[name];
  1109.   }
  1110.   function $(str, el) {
  1111.     return (el || document).querySelector(str);
  1112.   }
  1113.   function $$(str, el) {
  1114.     return Array.from((el || document).querySelectorAll(str));
  1115.   }
  1116.   function next(el, selector) {
  1117.     while ((el = el.nextElementSibling)) {
  1118.       if (el && el.matches(selector)) {
  1119.         return el;
  1120.       }
  1121.     }
  1122.     return null;
  1123.   }
  1124.   function closest(el, selector) {
  1125.     while (el && el.nodeName !== 'BODY' && !el.matches(selector)) {
  1126.       el = el.parentNode;
  1127.     }
  1128.     return el && el.matches(selector) ? el : [];
  1129.   }
  1130.   function make(obj) {
  1131.     let key,
  1132.       el = document.createElement(obj.el);
  1133.     if (obj.cl4ss) { el.className = obj.cl4ss; }
  1134.     if (obj.html) { el.innerHTML = obj.html; }
  1135.     if (obj.attr) {
  1136.       for (key in obj.attr) {
  1137.         if (obj.attr.hasOwnProperty(key)) {
  1138.           el.setAttribute(key, obj.attr[key]);
  1139.         }
  1140.       }
  1141.     }
  1142.     if (obj.appendTo) {
  1143.       $(obj.appendTo).appendChild(el);
  1144.     }
  1145.     return el;
  1146.   }
  1147.   function removeAll(selector) {
  1148.     $$(selector).forEach(el => {
  1149.       el.parentNode.removeChild(el);
  1150.     });
  1151.   }
  1152.   function on(els, name, callback) {
  1153.     els = Array.isArray(els) ? els : [els];
  1154.     let events = name.split(/\s+/);
  1155.     els.forEach(el => {
  1156.       events.forEach(ev => {
  1157.         el.addEventListener(ev, callback);
  1158.       });
  1159.     });
  1160.   }
  1161.   function toggleClass(els, cl4ss, flag) {
  1162.     els = Array.isArray(els) ? els : [els];
  1163.     els.forEach(el => {
  1164.       if (el) {
  1165.         if (typeof flag === 'undefined') {
  1166.           flag = !el.classList.contains(cl4ss);
  1167.         }
  1168.         if (flag) {
  1169.           el.classList.add(cl4ss);
  1170.         } else {
  1171.           el.classList.remove(cl4ss);
  1172.         }
  1173.       }
  1174.     });
  1175.   }
  1176.  
  1177.   // Add GM options
  1178.   GM_registerMenuCommand("GitHub Dark Script debug logging", () => {
  1179.     let val = prompt('Toggle GitHub Dark Script debug log (true/false):', !debug);
  1180.     if (val) {
  1181.       debug = /^t/.test(val);
  1182.       GM_setValue('debug', debug);
  1183.     }
  1184.   });
  1185.  
  1186. })();