mirror of
https://github.com/ParisNeo/lollms-webui.git
synced 2024-12-18 20:17:50 +00:00
556 lines
23 KiB
JavaScript
556 lines
23 KiB
JavaScript
// Requires importing:
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// <!-- For code highlighting -->
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// <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/styles/default.min.css">
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/highlight.min.js"></script>
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// <!-- For LaTeX math rendering -->
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/3.2.0/es5/tex-mml-chtml.js"></script>
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// <!-- For Mermaid graph rendering -->
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// <script src="https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js"></script>
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// <script src="https://cdn.tailwindcss.com"></script>
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// <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
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// <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
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// <!-- Prism CSS -->
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// <link href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/themes/prism.min.css" rel="stylesheet" />
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// <!-- Prism JS -->
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/prism.min.js"></script>
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// <!-- If you want additional languages, include them like this -->
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/components/prism-python.min.js"></script>
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/components/prism-javascript.min.js"></script>
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/components/prism-markup.min.js"></script>
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/components/prism-c.min.js"></script>
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/components/prism-cpp.min.js"></script>
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/components/prism-java.min.js"></script>
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// <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.24.1/components/prism-latex.min.js"></script>
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// When served with lollms, just use <script src="/lollms_assets/js/lollms_markdown_renderer"></script>
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// <!-- Render math -->
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// <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.13.11/dist/katex.min.css">
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// <script src="https://cdn.jsdelivr.net/npm/katex@0.13.11/dist/katex.min.js"></script>
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// Don't forget to get the css too <link rel="stylesheet" href="/lollms_assets/css/lollms_markdown_renderer">
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// Make sure there is a global variable called mr that instanciate MarkdownRenderer
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// mr = new MarkdownRenderer()
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class MarkdownRenderer {
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async renderMermaidDiagrams(text) {
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const mermaidCodeRegex = /```mermaid\n([\s\S]*?)```/g;
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const matches = text.match(mermaidCodeRegex);
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if (!matches) return text;
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for (const match of matches) {
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const mermaidCode = match.replace(/```mermaid\n/, '').replace(/```$/, '');
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const uniqueId = 'mermaid-' + Math.random().toString(36).substr(2, 9);
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try {
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const result = await mermaid.render(uniqueId, mermaidCode);
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const htmlCode = `
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<div class="mermaid-container relative flex justify-center items-center mt-4 mb-4 w-full">
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<div class="mermaid-diagram bg-white p-4 rounded-lg shadow-md overflow-auto w-full" style="max-height: 80vh;">
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<div id="${uniqueId}" style="transform-origin: top left; transition: transform 0.3s;">
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${result.svg}
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</div>
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</div>
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<div class="absolute top-2 right-2 flex gap-1">
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<button onclick="mr.zoomMermaid('${uniqueId}', 1.1)" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<circle cx="11" cy="11" r="8"></circle>
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<line x1="21" y1="21" x2="16.65" y2="16.65"></line>
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<line x1="11" y1="8" x2="11" y2="14"></line>
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<line x1="8" y1="11" x2="14" y2="11"></line>
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</svg>
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</button>
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<button onclick="mr.zoomMermaid('${uniqueId}', 0.9)" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<circle cx="11" cy="11" r="8"></circle>
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<line x1="21" y1="21" x2="16.65" y2="16.65"></line>
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<line x1="8" y1="11" x2="14" y2="11"></line>
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</svg>
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</button>
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<button onclick="mr.saveMermaidAsPNG('${uniqueId}')" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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PNG
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</button>
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<button onclick="mr.saveMermaidAsSVG('${uniqueId}')" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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SVG
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</button>
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</div>
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</div>
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`;
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text = text.replace(match, htmlCode);
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} catch (error) {
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console.error('Mermaid rendering failed:', error);
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text = text.replace(match, `<div class="mermaid-error bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative" role="alert">Failed to render diagram</div>`);
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}
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}
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return text;
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}
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async renderSVG(text) {
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const svgCodeRegex = /```svg\n([\s\S]*?)```/g;
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const matches = text.match(svgCodeRegex);
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if (!matches) return text;
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for (const match of matches) {
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const svgCode = match.replace(/```svg\n/, '').replace(/```$/, '');
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const uniqueId = 'svg-' + Math.random().toString(36).substr(2, 9);
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try {
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// Wrap the SVG code in a div with a unique ID
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const htmlCode = `
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<div class="svg-container relative flex justify-center items-center mt-4 mb-4 w-full">
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<div class="svg-diagram bg-white p-4 rounded-lg shadow-md overflow-auto w-full" style="max-height: 80vh;">
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<div id="${uniqueId}" style="transform-origin: top left; transition: transform 0.3s;">
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${svgCode}
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</div>
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</div>
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<div class="absolute top-2 right-2 flex gap-1">
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<button onclick="svgr.zoomSVG('${uniqueId}', 1.1)" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<circle cx="11" cy="11" r="8"></circle>
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<line x1="21" y1="21" x2="16.65" y2="16.65"></line>
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<line x1="11" y1="8" x2="11" y2="14"></line>
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<line x1="8" y1="11" x2="14" y2="11"></line>
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</svg>
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</button>
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<button onclick="svgr.zoomSVG('${uniqueId}', 0.9)" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<circle cx="11" cy="11" r="8"></circle>
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<line x1="21" y1="21" x2="16.65" y2="16.65"></line>
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<line x1="8" y1="11" x2="14" y2="11"></line>
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</svg>
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</button>
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<button onclick="svgr.saveSVGAsPNG('${uniqueId}')" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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PNG
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</button>
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<button onclick="svgr.saveSVGAsSVG('${uniqueId}')" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded">
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SVG
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</button>
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</div>
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</div>
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`;
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text = text.replace(match, htmlCode);
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} catch (error) {
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console.error('SVG rendering failed:', error);
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text = text.replace(match, `<div class="svg-error bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative" role="alert">Failed to render SVG</div>`);
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}
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}
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return text;
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}
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renderCodeBlocks(text) {
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const codeBlockRegex = /```(\w+)?\n([\s\S]*?)```/g;
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return text.replace(codeBlockRegex, (match, language, code) => {
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language = language || 'plaintext';
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let highlightedCode;
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try {
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highlightedCode = hljs.highlight(code.trim(), { language: language }).value;
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} catch (error) {
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console.warn(`Language '${language}' is not supported by highlight.js. Falling back to plaintext.`);
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highlightedCode = hljs.highlight(code.trim(), { language: 'plaintext' }).value;
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}
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const lines = highlightedCode.split('\n');
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const numberedLines = lines.map((line, index) =>
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`<div class="code-line">
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<span class="line-number">${(index + 1).toString().padStart(2, '0')}</span>
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<span class="line-content">${line}</span>
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</div>`
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).join('');
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return `
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<div class="code-block">
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<div class="code-header">
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<span class="language">${language}</span>
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<button onclick="mr.copyCode(this)" class="copy-button">Copy</button>
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</div>
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<pre class="code-content"><code class="hljs language-${language}">${numberedLines}</code></pre>
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</div>
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`;
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});
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}
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copyCode(button) {
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const codeBlock = button.closest('.code-block');
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const codeLines = codeBlock.querySelectorAll('.line-content');
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const codeText = Array.from(codeLines).map(line => line.textContent).join('\n');
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navigator.clipboard.writeText(codeText).then(() => {
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button.textContent = 'Copied!';
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setTimeout(() => {
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button.textContent = 'Copy';
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}, 2000);
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}).catch(err => {
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console.error('Failed to copy text: ', err);
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button.textContent = 'Failed';
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setTimeout(() => {
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button.textContent = 'Copy';
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}, 2000);
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});
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}
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handleInlineCode(text) {
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return text.replace(/`([^`]+)`/g, function(match, code) {
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return `<b>${code}</b>`;
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});
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}
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handleMathEquations(text) {
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if (typeof katex === 'undefined') {
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console.error('KaTeX is not loaded. Make sure to include KaTeX scripts and CSS.');
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return text;
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}
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return text.replace(/\\\[([\s\S]*?)\\\]|\$\$([\s\S]*?)\$\$|\$([^\n]+?)\$/g, function(match, p1, p2, p3) {
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const equation = p1 || p2 || p3;
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const isDisplayMode = match.startsWith('\\[') || match.startsWith('$$');
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try {
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return katex.renderToString(equation, {
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displayMode: isDisplayMode,
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throwOnError: false,
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output: 'html'
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});
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} catch (e) {
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console.error("KaTeX rendering error:", e);
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return `<span class="math-error">${match}</span>`; // Return error-marked original string if rendering fails
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}
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});
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}
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async handleTables(text) {
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let alignments = [];
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let tableRows = [];
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let isInTable = false;
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let hasHeader = false;
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// Process the text line by line
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text = text.split('\n').map(line => {
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// Check if the line is a table row
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if (line.trim().startsWith('|') && line.trim().endsWith('|')) {
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isInTable = true;
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const tableRow = line.trim().slice(1, -1); // Remove leading and trailing |
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const cells = tableRow.split('|').map(cell => cell.trim());
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if (cells.every(cell => cell.match(/^:?-+:?$/))) {
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// This is the header separator row
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alignments = cells.map(cell => {
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if (cell.startsWith(':') && cell.endsWith(':')) return 'center';
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if (cell.endsWith(':')) return 'right';
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return 'left';
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});
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hasHeader = true;
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return ''; // Remove separator row
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}
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const cellType = !hasHeader ? 'th' : 'td';
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const renderedCells = cells.map((cell, cellIndex) =>
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`<${cellType} class="border px-4 py-2" style="text-align: ${alignments[cellIndex] || 'left'};">${cell}</${cellType}>`
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).join('');
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tableRows.push(`<tr>${renderedCells}</tr>`);
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return ''; // Remove the original Markdown line
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} else if (isInTable) {
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// We've reached the end of the table
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isInTable = false;
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hasHeader = false;
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const tableContent = tableRows.join('');
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tableRows = []; // Reset for next table
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return `<table class="table-auto w-full border-collapse border border-gray-300">${tableContent}</table>`;
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}
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return line; // Return non-table lines unchanged
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}).join('\n');
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// Handle case where table is at the end of the text
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if (isInTable) {
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const tableContent = tableRows.join('');
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text += `<table class="table-auto w-full border-collapse border border-gray-300">${tableContent}</table>`;
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}
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return text
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}
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handleHeaders(text) {
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return text.replace(/^(#{1,6})\s+(.*?)$/gm, function(match, hashes, content) {
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const level = hashes.length;
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const fontSize = 2.5 - (level * 0.3); // Decreasing font size for each level
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return `<h${level} style="font-size: ${fontSize}em; font-weight: bold;">${content}</h${level}>`;
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});
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}
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handleBoldText(text) {
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return text.replace(/\*\*(.*?)\*\*/g, '<strong>$1</strong>');
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}
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handleItalicText(text) {
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return text.replace(/\*(.*?)\*/g, '<em>$1</em>');
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}
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handleLinks(text) {
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return text.replace(/\[([^\]]+)\]\(([^\)]+)\)/g, '<a href="$2">$1</a>');
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}
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handleUnorderedLists(text) {
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return text.replace(/^\s*[-*+]\s+(.*?)$/gm, '<li>$1</li>')
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.replace(/(<li>.*<\/li>)/s, '<ul>$1</ul>');
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}
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handleOrderedLists(text) {
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return text.replace(/^\s*(\d+)\.\s+(.*?)$/gm, '<li>$2</li>')
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.replace(/(<li>.*<\/li>)/s, '<ol>$1</ol>');
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}
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handleBlockquotes(text) {
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return text.replace(/^>\s+(.*?)$/gm, '<blockquote>$1</blockquote>');
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}
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handleHorizontalRules(text) {
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return text.replace(/^(-{3,}|_{3,}|\*{3,})$/gm, '<hr>');
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}
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handleParagraphs(text) {
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// Split the text into lines
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let lines = text.split('\n');
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let inList = false;
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let inCodeBlock = false;
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let result = [];
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for (let i = 0; i < lines.length; i++) {
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let line = lines[i].trim();
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// Check for code blocks
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if (line.startsWith('```')) {
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inCodeBlock = !inCodeBlock;
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result.push(line);
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continue;
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}
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// If we're in a code block, don't process the line
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if (inCodeBlock) {
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result.push(line);
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continue;
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}
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// Check for list items
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if (line.match(/^[-*+]\s/) || line.match(/^\d+\.\s/)) {
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if (!inList) {
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result.push(inList ? '' : '<ul>');
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inList = true;
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}
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result.push('<li>' + line.replace(/^[-*+]\s/, '').replace(/^\d+\.\s/, '') + '</li>');
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}
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// Check for headers
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else if (line.startsWith('#')) {
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let level = line.match(/^#+/)[0].length;
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result.push(`<h${level}>${line.replace(/^#+\s/, '')}</h${level}>`);
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}
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// Check for horizontal rules
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else if (line.match(/^(-{3,}|\*{3,}|_{3,})$/)) {
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result.push('<hr>');
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}
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// Handle empty lines
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else if (line === '') {
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if (inList) {
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result.push('</ul>');
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inList = false;
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}
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result.push('<br>');
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}
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// Regular paragraph
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else {
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if (inList) {
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result.push('</ul>');
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inList = false;
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}
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result.push('<p>' + line + '</p>');
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}
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}
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// Close any open list
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if (inList) {
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result.push('</ul>');
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}
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return result.join('\n');
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}
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initMathJax() {
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// Configure MathJax
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window.MathJax = {
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tex: {
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inlineMath: [['$', '$']],
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displayMath: [['$$', '$$'], ['\\[', '\\]']]
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},
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svg: {
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fontCache: 'global'
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},
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startup: {
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ready: () => {
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MathJax.startup.defaultReady();
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MathJax.startup.promise.then(() => {
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console.log('MathJax is loaded and ready');
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// You can add any post-initialization logic here
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});
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}
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}
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};
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// Load MathJax
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if (!window.MathJax) {
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const script = document.createElement('script');
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script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';
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script.async = true;
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document.head.appendChild(script);
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}
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}
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async renderMarkdown(text) {
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// Handle code blocks with syntax highlighting and copy button
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text = await this.renderCodeBlocks(text);
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// Handle Mermaid graphs first
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text = await this.renderMermaidDiagrams(text);
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// Handle SVG graphs first
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text = await this.renderSVG(text);
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// Handle inline code
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text = this.handleInlineCode(text);
|
|
|
|
// Handle LaTeX-style math equations
|
|
text = this.handleMathEquations(text);
|
|
|
|
// Handle tables
|
|
text = await this.handleTables(text);
|
|
|
|
// Handle headers
|
|
text = this.handleHeaders(text);
|
|
|
|
// Handle bold text
|
|
text = this.handleBoldText(text);
|
|
|
|
// Handle italic text
|
|
text = this.handleItalicText(text);
|
|
|
|
// Handle links
|
|
text = this.handleLinks(text);
|
|
|
|
// Handle unordered lists
|
|
text = this.handleUnorderedLists(text);
|
|
|
|
// Handle ordered lists
|
|
text = this.handleOrderedLists(text);
|
|
|
|
// Handle blockquotes
|
|
text = this.handleBlockquotes(text);
|
|
|
|
// Handle horizontal rules
|
|
text = this.handleHorizontalRules(text);
|
|
|
|
// Handle paragraphs
|
|
text = this.handleParagraphs(text);
|
|
|
|
return text;
|
|
}
|
|
|
|
initMermaid() {
|
|
if (typeof mermaid !== 'undefined') {
|
|
mermaid.initialize({ startOnLoad: false });
|
|
} else {
|
|
console.error('Mermaid library is not loaded');
|
|
}
|
|
}
|
|
|
|
initPrism() {
|
|
if (typeof Prism !== 'undefined') {
|
|
// No further initialization needed
|
|
} else {
|
|
console.error('Prism library is not loaded');
|
|
}
|
|
}
|
|
|
|
// Helper functions for Mermaid and code block handling
|
|
saveMermaidAsPNG(id) {
|
|
const svg = document.querySelector(`#${id} svg`);
|
|
const svgData = new XMLSerializer().serializeToString(svg);
|
|
|
|
// Create a canvas with a higher resolution
|
|
const canvas = document.createElement("canvas");
|
|
const ctx = canvas.getContext("2d");
|
|
|
|
// Set a scale factor for higher resolution (e.g., 2 for double resolution)
|
|
const scaleFactor = 2;
|
|
|
|
const img = new Image();
|
|
img.onload = function() {
|
|
canvas.width = img.width * scaleFactor;
|
|
canvas.height = img.height * scaleFactor;
|
|
|
|
// Scale the context to draw the image at a higher resolution
|
|
ctx.scale(scaleFactor, scaleFactor);
|
|
ctx.drawImage(img, 0, 0);
|
|
|
|
const pngFile = canvas.toDataURL("image/png");
|
|
const downloadLink = document.createElement("a");
|
|
downloadLink.download = "mermaid_diagram.png";
|
|
downloadLink.href = pngFile;
|
|
downloadLink.click();
|
|
};
|
|
img.src = "data:image/svg+xml;base64," + btoa(unescape(encodeURIComponent(svgData)));
|
|
}
|
|
|
|
saveMermaidAsSVG(id) {
|
|
const svg = document.querySelector(`#${id} svg`);
|
|
const svgData = new XMLSerializer().serializeToString(svg);
|
|
const svgBlob = new Blob([svgData], {type: "image/svg+xml;charset=utf-8"});
|
|
const svgUrl = URL.createObjectURL(svgBlob);
|
|
const downloadLink = document.createElement("a");
|
|
downloadLink.href = svgUrl;
|
|
downloadLink.download = "mermaid_diagram.svg";
|
|
document.body.appendChild(downloadLink);
|
|
downloadLink.click();
|
|
document.body.removeChild(downloadLink);
|
|
}
|
|
|
|
zoomMermaid(id, factor) {
|
|
const svg = document.getElementById(id).firstElementChild;
|
|
const currentScale = svg.style.transform ? parseFloat(svg.style.transform.replace('scale(', '').replace(')', '')) : 1;
|
|
const newScale = currentScale * factor;
|
|
svg.style.transform = `scale(${newScale})`;
|
|
}
|
|
|
|
|
|
async highlightCode(code, language) {
|
|
// Make sure the language is supported by your highlighting library
|
|
const supportedLanguage = Prism.languages[language] ? language : 'plaintext';
|
|
return Prism.highlight(code, Prism.languages[supportedLanguage], supportedLanguage);
|
|
}
|
|
|
|
// Helper function to escape HTML special characters
|
|
escapeHtml(unsafe) {
|
|
if (typeof unsafe !== 'string') {
|
|
console.log("Found unsafe string:", text)
|
|
return '';
|
|
}
|
|
return unsafe
|
|
.replace(/&/g, "&")
|
|
.replace(/</g, "<")
|
|
.replace(/>/g, ">")
|
|
.replace(/"/g, """)
|
|
.replace(/'/g, "'");
|
|
}
|
|
} |