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GreasyFork Code: Syntax Highlight by CodeMirror

To syntax highlight GreasyFork Code by CodeMirror

Verze ze dne 24. 01. 2024. Zobrazit nejnovější verzi.

  1. // ==UserScript==
  2. // @name         GreasyFork Code: Syntax Highlight by CodeMirror
  3. // @namespace    Violentmonkey Scripts
  4. // @grant        none
  5. // @version      0.4.1
  6. // @author       CY Fung
  7. // @description  To syntax highlight GreasyFork Code by CodeMirror
  8. // @run-at       document-start
  9. // @inject-into  page
  10. // @unwrap
  11. // @license      MIT
  12. // @match        https://greatest.deepsurf.us/*
  13. // @match        https://sleazyfork.org/*
  14. //
  15. // ==/UserScript==
  16.  
  17.  
  18. (() => {
  19.  
  20.     const cdn = 'https://cdn.jsdelivr.net/npm/codemirror@5.65.16';
  21.     const resoruces = {
  22.         'codemirror.min.js': `${cdn}/lib/codemirror.min.js`,
  23.         'javascript.min.js': `${cdn}/mode/javascript/javascript.min.js`,
  24.         'css.min.js': `${cdn}/mode/css/css.min.js`,
  25.         'stylus.min.js': `${cdn}/mode/stylus/stylus.min.js`,
  26.         'active-line.min.js': `${cdn}/addon/selection/active-line.min.js`,
  27.         'search.js': `${cdn}/addon/search/search.js`,
  28.         'searchcursor.js': `${cdn}/addon/search/searchcursor.js`,
  29.         'jump-to-line.js': `${cdn}/addon/search/jump-to-line.js`,
  30.         'dialog.js': `${cdn}/addon/dialog/dialog.js`,
  31.         'codemirror.min.css': `${cdn}/lib/codemirror.min.css`,
  32.         'dialog.css': `${cdn}/addon/dialog/dialog.css`,
  33.         'material.css': `${cdn}/theme/material.css`,
  34.     }
  35.  
  36.     const doActionCSS = () => `
  37.  
  38.         .code-container{
  39.             height:100vh;
  40.         }
  41.         .code-container .CodeMirror, .code-container textarea{
  42.             height:100%;
  43.         }
  44.     `;
  45.  
  46.  
  47.     const global_css = () => `
  48.  
  49.         html {
  50.             line-height: 1.5;
  51.             -webkit-text-size-adjust: 100%;
  52.             -moz-tab-size: 4;
  53.             -o-tab-size: 4;
  54.             tab-size: 4;
  55.             font-family: ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;
  56.             font-feature-settings: normal;
  57.             font-variation-settings: normal
  58.         }
  59.  
  60.         .code-container code, .code-container kbd, .code-container pre, .code-container samp {
  61.             font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;
  62.             font-size: 1em
  63.         }
  64.  
  65.         #script-content > .code-container[class] {
  66.             width: 100%;
  67.         }
  68.  
  69.         .code-container[class] {
  70.             border-radius: 0;
  71.         }
  72.  
  73.         .code-container[class] {
  74.             border-radius: 0;
  75.         }
  76.  
  77.         .code-container > pre:only-child{
  78.             padding:0;
  79.         }
  80.  
  81.         code.syntax-highlighted[class] {
  82.             font-family: monospace;
  83.             font-size: 13px;
  84.             font-variant-ligatures: contextual;
  85.             line-height: 1.15rem;
  86.             text-shadow: none !important;
  87.         }
  88.  
  89.         .hljs-comment[class], .hljs-quote[class] {
  90.             font-style: inherit;
  91.             color: #259789;
  92.         }
  93.  
  94.         .hljs-add-marker-width .marker-fixed-width[class] {
  95.             user-select: none !important;
  96.             width: calc(var(--hljs-marker-width, 0em) + 16px);
  97.             background: #f4f4f4;
  98.             padding-right: 6px;
  99.             margin-right: 4px;
  100.             contain: paint style;
  101.         }
  102.  
  103.         [dark] .hljs-add-marker-width .marker-fixed-width[class] {
  104.             background: #242424;
  105.             color: #b6b2b2;
  106.         }
  107.  
  108.         .marker-fixed-width[marker-text]::before {
  109.             content: attr(marker-text);
  110.         }
  111.  
  112.  
  113.         @keyframes cmLineNumberAppear {
  114.             from {
  115.                 background-position-x: 3px;
  116.             }
  117.             to {
  118.                 background-position-x: 4px;
  119.             }
  120.         }
  121.  
  122.         .CodeMirror-linenumber:not(:empty){
  123.             animation: cmLineNumberAppear 1ms linear 0s 1 normal forwards;
  124.         }
  125.  
  126.         .CodeMirror-linenumber[marker-text]::before {
  127.             content: attr(marker-text);
  128.         }
  129.         
  130.  
  131.     `;
  132.  
  133.  
  134.     const cssForCodePage = () => /\/scripts\/\d+[^\s\/\\]*\/code(\/|$)/.test(location.href) ? `
  135.  
  136.         html:not([dkkfv]) div.code-container {
  137.             visibility: collapse;
  138.         }
  139.  
  140.         .code-container,
  141.         .code-container pre:only-child,
  142.         .code-container pre:only-child code:only-child {
  143.             max-height: calc(100vh + 4px);
  144.             max-width: calc(100vw + 4px);
  145.         }
  146.     ` : '';
  147.  
  148.  
  149.     const cssAdd = () => `
  150.  
  151.         ${global_css()}
  152.  
  153.         ${cssForCodePage()}
  154.  
  155.         .code-container {
  156.             max-width: 100%;
  157.             display: inline-flex;
  158.             flex-direction: column;
  159.             overflow: auto;
  160.             border-radius: 8px;
  161.             max-height: 100%;
  162.             overflow: visible;
  163.         }
  164.         .code-container > pre:only-child {
  165.             max-width: 100%;
  166.             display: inline-flex;
  167.             flex-direction: column;
  168.             flex-grow: 1;
  169.             height: 0;
  170.         }
  171.         .code-container > pre:only-child > code:only-child {
  172.             max-width: 100%;
  173.             flex-grow: 1;
  174.             height: 0;
  175.         }
  176.         .code-container pre code {
  177.             padding: 0;
  178.             font-family: Consolas;
  179.             cursor: text;
  180.             overflow: auto;
  181.             box-sizing: border-box;
  182.         }
  183.         .code-container pre code .marker {
  184.             display: inline-block;
  185.             color: #636d83;
  186.             text-align: right;
  187.             padding-right: 20px;
  188.             user-select: none;
  189.             cursor: auto;
  190.         }
  191.  
  192.         .code-container[contenteditable]{
  193.           outline: 0 !important;
  194.           contain: strict;
  195.           box-sizing: border-box;
  196.         }
  197.  
  198.         .code-container[contenteditable]>pre[contenteditable="false"]{
  199.           contain: strict;
  200.           width: initial;
  201.           box-sizing: border-box;
  202.         }
  203.  
  204.         html {
  205.             --token-color-comment: #259789;
  206.  
  207.         }
  208.  
  209.         [dark] {
  210.             --token-color-comment:#59c6b9;
  211.         }
  212.  
  213.  
  214.         .CodeMirror .cm-comment[class] {
  215.             color: var(--token-color-comment);
  216.         }
  217.  
  218.  
  219.         html .CodeMirror .CodeMirror-linenumber[class] {
  220.             background: #f4f4f4;
  221.             color: #636d83;
  222.             padding-right: 6px;
  223.             margin-right: 4px;
  224.             contain: paint style;
  225.             user-select: none !important;
  226.         }
  227.  
  228.         [dark] .CodeMirror .CodeMirror-linenumber[class] {
  229.             background: #242424;
  230.             color: #b6b2b2;
  231.         }
  232.  
  233.         html .CodeMirror[class] {
  234.             background-color: inherit;
  235.         }
  236.         html .CodeMirror .CodeMirror-activeline-background[class] {
  237.             background: inherit;
  238.             background-color: #8fd9da17;
  239.         }
  240.  
  241.         div.code-container .CodeMirror .CodeMirror-lines {
  242.             padding: 0;
  243.         }
  244.  
  245.         div.code-container .CodeMirror {
  246.             font-family: monospace;
  247.             font-size: 13px;
  248.             font-variant-ligatures: contextual;
  249.             line-height: 1.15rem;
  250.             text-shadow: none !important;
  251.         }
  252.  
  253.  
  254.     `;
  255.  
  256.     const Promise = (async function () { })().constructor;
  257.  
  258.     const delayPn = delay => new Promise((fn => setTimeout(fn, delay)));
  259.  
  260.     const PromiseExternal = ((resolve_, reject_) => {
  261.         const h = (resolve, reject) => { resolve_ = resolve; reject_ = reject };
  262.         return class PromiseExternal extends Promise {
  263.             constructor(cb = h) {
  264.                 super(cb);
  265.                 if (cb === h) {
  266.                     /** @type {(value: any) => void} */
  267.                     this.resolve = resolve_;
  268.                     /** @type {(reason?: any) => void} */
  269.                     this.reject = reject_;
  270.                 }
  271.             }
  272.         };
  273.     })();
  274.  
  275.     const pScript = new PromiseExternal();
  276.     const pElementQuery = new PromiseExternal();
  277.  
  278.     HTMLElement.prototype.getElementsByTagName331 = HTMLElement.prototype.getElementsByTagName;
  279.     Document.prototype.getElementsByTagName331 = Document.prototype.getElementsByTagName;
  280.  
  281.     HTMLElement.prototype.getElementsByTagName = getElementsByTagName;
  282.     Document.prototype.getElementsByTagName = getElementsByTagName;
  283.  
  284.     let byPass = true;
  285.  
  286.     const observablePromise = (proc, timeoutPromise) => {
  287.         let promise = null;
  288.         return {
  289.             obtain() {
  290.                 if (!promise) {
  291.                     promise = new Promise(resolve => {
  292.                         let mo = null;
  293.                         const f = () => {
  294.                             let t = proc();
  295.                             if (t) {
  296.                                 mo.disconnect();
  297.                                 mo.takeRecords();
  298.                                 mo = null;
  299.                                 resolve(t);
  300.                             }
  301.                         }
  302.                         mo = new MutationObserver(f);
  303.                         mo.observe(document, { subtree: true, childList: true })
  304.                         f();
  305.                         timeoutPromise && timeoutPromise.then(() => {
  306.                             resolve(null)
  307.                         });
  308.                     });
  309.                 }
  310.                 return promise
  311.             }
  312.         }
  313.     }
  314.  
  315.     const documentReady = new Promise(resolve => {
  316.         Promise.resolve().then(() => {
  317.             if (document.readyState !== 'loading') {
  318.                 resolve();
  319.             } else {
  320.                 window.addEventListener("DOMContentLoaded", resolve, false);
  321.             }
  322.         });
  323.     });
  324.  
  325.     function getElementsByTagName(tag) {
  326.         if (byPass) {
  327.             if (tag === 'pre' || tag === 'code' || tag === 'xmp') {
  328.                 if (location.pathname.endsWith('/code')) {
  329.                     pElementQuery.resolve();
  330.                     return [];
  331.                 }
  332.             }
  333.         }
  334.         return this.getElementsByTagName331(tag);
  335.     }
  336.  
  337.     async function onBodyHeadReadyAsync() {
  338.         await observablePromise(() => document.body && document.head).obtain();
  339.     }
  340.  
  341.  
  342.     // Load CSS
  343.     function loadJS(href) {
  344.  
  345.         return new Promise(resolve => {
  346.  
  347.             const script = document.createElement('script');
  348.             script.src = href;
  349.             script.onload = () => {
  350.                 resolve(script);
  351.             };
  352.             document.head.appendChild(script);
  353.  
  354.         });
  355.  
  356.     }
  357.  
  358.     // Load CSS
  359.     function loadCSS(href) {
  360.         const link = document.createElement('link');
  361.         link.rel = 'stylesheet';
  362.         link.href = href;
  363.         document.head.appendChild(link);
  364.         return link;
  365.     }
  366.  
  367.  
  368.  
  369.  
  370.  
  371.  
  372.     /** @param {HTMLElement} pre */
  373.     async function prepareCodeAreaAsync(pre) {
  374.  
  375.         if (pre.isConnected === false) return;
  376.  
  377.         for (const li of pre.querySelectorAll('li')) {
  378.             li.append(document.createTextNode('\n'));
  379.         }
  380.  
  381.         const codeElement = document.createElement('code');
  382.         // codeElement.classList.add('language-javascript');
  383.         codeElement.innerHTML = pre.innerHTML;
  384.  
  385.         // Clearing the original code container and appending the new one
  386.         // pre.classList = '';
  387.         pre.innerHTML = '';
  388.         // pre.appendChild(codeElement);
  389.  
  390.         // if (pre.querySelector('code')) return;
  391.         const code = codeElement;
  392.  
  393.         const codeContainer = pre.closest('.code-container');
  394.         if (codeContainer && codeContainer.querySelector('.code-container>pre:only-child')) {
  395.             // avoid selection to the outside by mouse dragging
  396.             codeContainer.setAttribute('contenteditable', '');
  397.             codeContainer.querySelector('.code-container>pre:only-child').setAttribute('contenteditable', 'false');
  398.         }
  399.  
  400.  
  401.         // let parentNode = code.parentNode;
  402.         // let nextNode = code.nextSibling;
  403.  
  404.         // code.remove();
  405.         let parentNode = pre;
  406.         let nextNode = null;
  407.         await Promise.resolve().then();
  408.  
  409.         // preset language
  410.         /*
  411.         const text = codeElement.textContent;
  412.         if(/(^|\n)\s*\/\/\s+==UserScript==\s*\n/.test(text)){
  413.             codeElement.classList.add('language-javascript');
  414.         }else if(/(^|\n)\s*\/\*\s+==UserStyle==\s*\n/.test(text)){
  415.             codeElement.classList.add('language-css');
  416.         }
  417.         */
  418.         let className = '';
  419.         if (pre.classList.contains('lang-js')) {
  420.             className = 'language-javascript';
  421.         } else if (pre.classList.contains('lang-css')) {
  422.  
  423.             const text = codeElement.textContent;
  424.             let m = /\n@preprocessor\s+([-_a-zA-Z]{3,8})\s*\n/.exec(text);
  425.             className = 'language-css'
  426.             if (m) {
  427.                 const preprocessor = m[1];
  428.                 if (preprocessor === 'stylus') {
  429.                     className = 'language-stylus';
  430.                 } else if (preprocessor === 'uso') {
  431.                     className = 'language-stylus';
  432.                 } else if (preprocessor === 'less') {
  433.                     className = 'language-less';
  434.                 } else if (preprocessor === 'default') {
  435.                     className = 'language-stylus';
  436.                 } else {
  437.                     className = 'language-stylus';
  438.                 }
  439.             }
  440.  
  441.  
  442.         }
  443.  
  444.  
  445.         if (!className) return;
  446.  
  447.         let mode = '';
  448.         if (className === 'language-javascript') mode = 'javascript';
  449.         if (className === 'language-stylus') mode = 'stylus';
  450.         if (className === 'language-less') mode = 'less';
  451.         if (className === 'language-css') mode = 'css';
  452.  
  453.         if (!mode) return;
  454.  
  455.  
  456.  
  457.         let textarea = document.createElement('textarea');
  458.         textarea.value = `${code.textContent}`;
  459.         textarea.readOnly = true;
  460.         textarea.id = 'editor651';
  461.  
  462.  
  463.         // textarea.classList.add('code-container')
  464.  
  465.         textarea.style.width = '100%';
  466.         textarea.style.height = '100vh';
  467.  
  468.         parentNode.insertBefore(textarea, nextNode);
  469.  
  470.  
  471.         let editor651 = CodeMirror.fromTextArea(document.querySelector('#editor651'), {
  472.  
  473.             mode: mode,
  474.             theme: document.documentElement.hasAttribute('dark') ? 'material' : '',
  475.  
  476.             readOnly: true,
  477.             styleActiveLine: true,
  478.             lineNumbers: true,
  479.             extraKeys: { "Alt-F": "findPersistent" }
  480.         });
  481.         editor651.save();
  482.  
  483.  
  484.  
  485.     }
  486.  
  487.     const documentBodyHeadReady = onBodyHeadReadyAsync();
  488.  
  489.     documentBodyHeadReady.then(async () => {
  490.  
  491.         if (!location.pathname.endsWith('/code')) {
  492.             return;
  493.         }
  494.  
  495.         document.head.appendChild(document.createElement('style')).textContent = `${cssAdd()}`;
  496.  
  497.         await loadJS(resoruces['codemirror.min.js']);
  498.  
  499.         await Promise.all([
  500.             loadJS(resoruces['javascript.min.js']),
  501.             loadJS(resoruces['css.min.js']),
  502.             loadJS(resoruces['stylus.min.js']),
  503.             loadJS(resoruces['active-line.min.js']),
  504.             loadJS(resoruces['search.js']),
  505.             loadJS(resoruces['searchcursor.js']),
  506.             loadJS(resoruces['jump-to-line.js']),
  507.             loadJS(resoruces['dialog.js'])
  508.         ]);
  509.  
  510.         if (document.documentElement.hasAttribute('dark')) {
  511.  
  512.             // TBC
  513.             loadCSS(resoruces['codemirror.min.css']);
  514.             loadCSS(resoruces['dialog.css']);
  515.             loadCSS(resoruces['material.css']);
  516.  
  517.         } else {
  518.  
  519.             loadCSS(resoruces['codemirror.min.css']);
  520.             loadCSS(resoruces['dialog.css']);
  521.         }
  522.  
  523.  
  524.         pScript.resolve();
  525.  
  526.  
  527.  
  528.  
  529.     });
  530.  
  531.     let keydownActive = false;
  532.  
  533.     documentReady.then(async () => {
  534.  
  535.         if (!location.pathname.endsWith('/code')) {
  536.             byPass = false;
  537.             return;
  538.         }
  539.  
  540.         await pScript.then();
  541.  
  542.         await Promise.race([pElementQuery, delayPn(800)]);
  543.  
  544.         const targets = document.querySelectorAll('.code-container pre.lang-js, .code-container pre.lang-css');
  545.  
  546.         if (targets.length === 0) return;
  547.  
  548.         await delayPn(40);
  549.  
  550.         document.head.appendChild(document.createElement('style')).textContent = doActionCSS();
  551.  
  552.         await delayPn(40);
  553.  
  554.         byPass = false;
  555.  
  556.         // Code highlighting
  557.         const promises = [...targets].map(prepareCodeAreaAsync)
  558.         await Promise.all(promises);
  559.  
  560.         await delayPn(40);
  561.         document.documentElement.setAttribute('dkkfv', '');
  562.         keydownActive = true;
  563.  
  564.     });
  565.  
  566.     function selectAllWithinElement(element) {
  567.         window.getSelection().removeAllRanges();
  568.         let range = document.createRange();
  569.         if (element) {
  570.             range.selectNodeContents(element);
  571.             window.getSelection().addRange(range);
  572.         } else {
  573.             console.error('Element not found with ID:', element);
  574.         }
  575.     }
  576.     document.addEventListener('keydown', (e) => {
  577.         if (keydownActive && e && e.code === 'KeyA' && e.isTrusted && (e.metaKey || e.ctrlKey) && !e.shiftKey && !e.altKey) {
  578.  
  579.             const target = e.target;
  580.             const container = target ? target.closest('div.code-container') : null;
  581.             const code = container ? container.querySelector('code') : null;
  582.  
  583.             if (container && code) {
  584.  
  585.                 e.preventDefault();
  586.                 e.stopPropagation();
  587.                 e.stopImmediatePropagation();
  588.  
  589.                 setTimeout(() => {
  590.                     selectAllWithinElement(code);
  591.                 }, 1)
  592.  
  593.             }
  594.  
  595.         }
  596.     }, true);
  597.  
  598.  
  599.     const cmLineNumberAppearFn = (evt) => {
  600.         const elm = evt.target;
  601.         if (!(elm instanceof HTMLElement)) return;
  602.  
  603.         elm.setAttribute('marker-text', elm.textContent.trim());
  604.         elm.textContent = '';
  605.     }
  606.  
  607.     document.addEventListener('animationstart', (evt) => {
  608.         const animationName = evt.animationName;
  609.         if (!animationName) return;
  610.         if (animationName === 'cmLineNumberAppear') cmLineNumberAppearFn(evt);
  611.     }, { capture: true, passive: true });
  612.  
  613.  
  614. })();