To syntax highlight GreasyFork Code by CodeMirror
目前为
// ==UserScript==
// @name GreasyFork Code: Syntax Highlight by CodeMirror
// @namespace Violentmonkey Scripts
// @match https://gf.qytechs.cn/*
// @grant none
// @version 0.2.5
// @author CY Fung
// @description To syntax highlight GreasyFork Code by CodeMirror
// @run-at document-start
// @inject-into page
// @unwrap
// @license MIT
// ==/UserScript==
(() => {
let byPass = true;
let documentReady = new Promise(resolve => {
Promise.resolve().then(() => {
if (document.readyState !== 'loading') {
resolve();
} else {
window.addEventListener("DOMContentLoaded", resolve, false);
}
});
});
// Function to load CodeMirror library
function loadCodeMirror(arr) {
const promises = arr.map((href) => {
return new Promise(resolve => {
const script = document.createElement('script');
script.src = href;
script.onload = () => {
resolve(script);
};
document.head.appendChild(script);
});
});
return Promise.all(promises);
}
// Function to load CodeMirror CSS
function loadCodeMirrorCSS(href) {
const link = document.createElement('link');
link.rel = 'stylesheet';
link.href = href;
document.head.appendChild(link);
}
async function runBlock(codeBlock) {
let textarea = document.createElement('textarea');
textarea.value = `${codeBlock.textContent}`;
textarea.readOnly = true;
textarea.id = 'editor651';
// textarea.classList.add('code-container')
textarea.style.width = '100%';
textarea.style.height = '100vh';
codeBlock.replaceWith(textarea);
codeBlock.remove();
let editor651 = CodeMirror.fromTextArea(document.querySelector('#editor651'), {
mode: "javascript",
readOnly: true,
styleActiveLine: true,
lineNumbers: true,
extraKeys: { "Alt-F": "findPersistent" }
});
editor651.save();
}
// Main function to apply CodeMirror syntax highlighting to pre elements
async function applyCodeMirrorSyntaxHighlighting() {
if (window.requestIdleCallback) await new Promise(r => !!window.requestIdleCallback(r));
else {
await new Promise(r => !!window.requestAnimationFrame(r));
await new Promise(r => !!window.setTimeout(r, 170));
await new Promise(r => !!window.requestAnimationFrame(r));
}
const codeBlocks = document.querySelectorAll('pre.prettyprint.linenums.lang-js');
// Check if CodeMirror is loaded
if (typeof CodeMirror !== 'undefined') {
for (const codeBlock of codeBlocks) {
await new Promise((resolve) => {
let io = new IntersectionObserver(() => {
io.disconnect();
io.takeRecords();
io = null;
resolve();
})
io.observe(codeBlock);
});
await runBlock(codeBlock);
}
} else {
console.error('CodeMirror library is not loaded. Syntax highlighting cannot be applied.');
}
}
async function doAction() {
await new Promise(r => setTimeout(r, 1));
document.head.appendChild(document.createElement('style')).textContent = `
.code-container{
height:100vh;
}
.code-container .CodeMirror, .code-container textarea{
height:100%;
}
/*
body {
display: flex;
flex-direction: column;
height: 100vh;
}
body > div:last-child {
height:0;
flex-grow:1;
display: flex;
flex-direction:column;
}
body > div:last-child > #script-info:last-child {
height:0;
flex-grow:1;
display: flex;
flex-direction:column;
}
body > div:last-child > #script-info:last-child > #script-content:last-child {
height:0;
flex-grow:1;
display: flex;
flex-direction:column;
gap:2px;
}
body > div:last-child > #script-info:last-child > #script-content:last-child > * {
margin:0;
}
body > div:last-child > #script-info:last-child > #script-content:last-child > .code-container:last-child {
height:0;
flex-grow:1;
display: flex;
flex-direction:column;
}
body > div:last-child > #script-info:last-child > #script-content:last-child > .code-container:last-child > textarea:last-child {
height:0;
flex-grow:1;
display: flex;
flex-direction:column;
}
body > div:last-child > #script-info:last-child > #script-content:last-child > .code-container:last-child > .CodeMirror:last-child {
height:0;
flex-grow:1;
display: flex;
flex-direction:column;
}
*/
`;
await loadCodeMirror(['https://cdn.jsdelivr.net/npm/[email protected]/lib/codemirror.min.js']);
await loadCodeMirror([
'https://cdn.jsdelivr.net/npm/[email protected]/mode/javascript/javascript.min.js',
'https://cdn.jsdelivr.net/npm/[email protected]/addon/selection/active-line.min.js',
'https://cdn.jsdelivr.net/npm/[email protected]/addon/search/search.js',
'https://cdn.jsdelivr.net/npm/[email protected]/addon/search/searchcursor.js',
'https://cdn.jsdelivr.net/npm/[email protected]/addon/search/jump-to-line.js',
'https://cdn.jsdelivr.net/npm/[email protected]/addon/dialog/dialog.js'
]);
loadCodeMirrorCSS('https://cdn.jsdelivr.net/npm/[email protected]/lib/codemirror.min.css');
loadCodeMirrorCSS('https://cdn.jsdelivr.net/npm/[email protected]/addon/dialog/dialog.css');
await Promise.all([new Promise(r => setTimeout(r, 60)), new Promise(r => window.requestAnimationFrame(r))]);
byPass = false;
applyCodeMirrorSyntaxHighlighting();
}
let mgg = 0;
async function mTz() {
if (mgg) return;
mgg = 1;
documentReady.then(doAction);
}
function getElementsByTagName(tag) {
if (byPass) {
if (tag === 'pre' || tag === 'code' || tag === 'xmp') {
if (location.pathname.endsWith('/code')) {
setTimeout(mTz, 10)
return [];
}
}
}
return this.getElementsByTagName331(tag);
}
HTMLElement.prototype.getElementsByTagName331 = HTMLElement.prototype.getElementsByTagName
Document.prototype.getElementsByTagName331 = Document.prototype.getElementsByTagName
HTMLElement.prototype.getElementsByTagName = getElementsByTagName
Document.prototype.getElementsByTagName = getElementsByTagName
/*
let mz= function(evt){
if(evt && evt.type ==='readystatechange') return;
return EventTarget.prototype.addEventListener.apply(this,arguments)
};
window.addEventListener = mz
document.addEventListener = mz;
*/
documentReady.then(async () => {
if (location.pathname.endsWith('/code')) return;
byPass = false;
});
})();
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