mirror of
https://github.com/ParisNeo/lollms-webui.git
synced 2024-12-26 15:31:04 +00:00
400 lines
17 KiB
JavaScript
400 lines
17 KiB
JavaScript
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// 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_markdown_renderer"></script>
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// Don't forget to get the css too <link rel="stylesheet" href="/lollms_markdown_renderer.css">
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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; // Return original text if no Mermaid code found
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for (const match of matches) {
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const mermaidCode = match.replace(/```mermaid\n/, '').replace(/```$/, '');
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const uniqueId = 'mermaid-' + Math.random().toString(36).substr(2, 9);
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try {
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const result = await mermaid.render(uniqueId, mermaidCode);
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const htmlCode = `
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<div class="relative flex justify-center items-center mt-4 mb-4">
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<div class="mermaid-diagram" id="${uniqueId}" style="transform-origin: center; transition: transform 0.3s;">
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${result.svg}
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</div>
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<div class="absolute top-0 left-0 flex gap-1 p-1">
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<button onclick="zoomMermaid('${uniqueId}', 1.1)" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded inline-flex items-center">
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<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 100 100">
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<circle cx="40" cy="40" r="25" stroke="black" stroke-width="5" fill="none" />
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<line x1="60" y1="60" x2="80" y2="80" stroke="black" stroke-width="5" />
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<line x1="50" y1="40" x2="30" y2="40" stroke="black" stroke-width="3" />
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<line x1="40" y1="30" x2="40" y2="50" stroke="black" stroke-width="3" />
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</svg>
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</button>
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<button onclick="zoomMermaid('${uniqueId}', 0.9)" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded inline-flex items-center">
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<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 100 100">
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<circle cx="40" cy="40" r="25" stroke="black" stroke-width="5" fill="none" />
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<line x1="60" y1="60" x2="80" y2="80" stroke="black" stroke-width="5" />
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<line x1="50" y1="40" x2="30" y2="40" stroke="black" stroke-width="3" />
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</svg>
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</button>
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<button onclick="saveMermaidAsPNG('${uniqueId}')" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded inline-flex items-center">
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PNG
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</button>
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<button onclick="saveMermaidAsSVG('${uniqueId}')" class="bg-gray-200 hover:bg-gray-300 text-gray-700 font-bold p-1 rounded inline-flex items-center">
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SVG
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</button>
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</div>
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</div>
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`;
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text = text.replace(match, htmlCode);
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} catch (error) {
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console.error('Mermaid rendering failed:', error);
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text = text.replace(match, `<div class="mermaid-error">Failed to render diagram</div>`);
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}
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}
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return text;
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}
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async renderCodeBlocks(text) {
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if (typeof Prism === 'undefined') {
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throw new Error('Prism is not loaded. Please include Prism.js in your project.');
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}
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const codeBlockRegex = /```(\w+)?\n([\s\S]*?)```/g;
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const renderedText = await text.replace(codeBlockRegex, (match, language, code) => {
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language = language || 'plaintext';
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if (!Prism.languages[language]) {
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console.warn(`Language '${language}' is not supported by Prism. Falling back to plaintext.`);
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language = 'plaintext';
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}
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const highlightedCode = Prism.highlight(code.trim(), Prism.languages[language], language);
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const lines = highlightedCode.split(/\r?\n/);
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const numberedLines = lines.map((line, index) =>
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`<span class="code-line"><span class="line-number">${index + 1}</span><span class="line-content">${line}</span></span>`
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).join('\n');
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return `<div class="code-block-wrapper">
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<div class="code-block-header">
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<div class="language-label">${language}</div>
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<button class="copy-button" onclick="mr.copyCode(this)">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect>
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<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
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</svg>
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Copy
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</button>
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</div>
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<pre class="line-numbers"><code class="language-${language}">${numberedLines}</code></pre>
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</div>`;
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});
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return renderedText;
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}
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handleInlineCode(text) {
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return text.replace(/`([^`]+)`/g, function(match, code) {
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return `<b>${code}</b>`;
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});
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}
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handleMathEquations(text) {
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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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return '<span class="math">' + equation + '</span>';
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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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return '<h' + level + '>' + 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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//return text.replace(/^(?!<[uo]l|<blockquote|<h\d|<pre|<hr|<table|<li|<button)(.+)$/gm, '<p class="mb-4">$1</p>');
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// No need to handle paragraphs separately, they will be handled as the remaining content
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return text;
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}
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async renderMarkdown(text) {
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// Handle Mermaid graphs first
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text = await this.renderMermaidDiagrams(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 inline code
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text = this.handleInlineCode(text);
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// Handle LaTeX-style math equations
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text = this.handleMathEquations(text);
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// Handle tables
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text = await this.handleTables(text);
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// Handle headers
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text = this.handleHeaders(text);
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// Handle bold text
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text = this.handleBoldText(text);
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// Handle italic text
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text = this.handleItalicText(text);
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// Handle links
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text = this.handleLinks(text);
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// Handle unordered lists
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text = this.handleUnorderedLists(text);
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// Handle ordered lists
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text = this.handleOrderedLists(text);
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// Handle blockquotes
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text = this.handleBlockquotes(text);
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// Handle horizontal rules
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text = this.handleHorizontalRules(text);
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// Handle paragraphs
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text = this.handleParagraphs(text);
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return text;
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}
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initMermaid() {
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if (typeof mermaid !== 'undefined') {
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mermaid.initialize({ startOnLoad: false });
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} else {
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console.error('Mermaid library is not loaded');
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}
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}
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initPrism() {
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if (typeof Prism !== 'undefined') {
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// No further initialization needed
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} else {
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console.error('Prism library is not loaded');
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}
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}
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// Helper functions for Mermaid and code block handling
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saveMermaidAsPNG(id) {
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const svg = document.querySelector(`#${id} svg`);
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const svgData = new XMLSerializer().serializeToString(svg);
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// Create a canvas with a higher resolution
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const canvas = document.createElement("canvas");
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const ctx = canvas.getContext("2d");
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// Set a scale factor for higher resolution (e.g., 2 for double resolution)
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const scaleFactor = 2;
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const img = new Image();
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img.onload = function() {
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canvas.width = img.width * scaleFactor;
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canvas.height = img.height * scaleFactor;
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// Scale the context to draw the image at a higher resolution
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ctx.scale(scaleFactor, scaleFactor);
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ctx.drawImage(img, 0, 0);
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const pngFile = canvas.toDataURL("image/png");
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const downloadLink = document.createElement("a");
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downloadLink.download = "mermaid_diagram.png";
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downloadLink.href = pngFile;
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downloadLink.click();
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};
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img.src = "data:image/svg+xml;base64," + btoa(unescape(encodeURIComponent(svgData)));
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}
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||
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|
|
||
|
|
saveMermaidAsSVG(id) {
|
||
|
|
const svg = document.querySelector(`#${id} svg`);
|
||
|
|
const svgData = new XMLSerializer().serializeToString(svg);
|
||
|
|
const svgBlob = new Blob([svgData], {type: "image/svg+xml;charset=utf-8"});
|
||
|
|
const svgUrl = URL.createObjectURL(svgBlob);
|
||
|
|
const downloadLink = document.createElement("a");
|
||
|
|
downloadLink.href = svgUrl;
|
||
|
|
downloadLink.download = "mermaid_diagram.svg";
|
||
|
|
document.body.appendChild(downloadLink);
|
||
|
|
downloadLink.click();
|
||
|
|
document.body.removeChild(downloadLink);
|
||
|
|
}
|
||
|
|
|
||
|
|
zoomMermaid(id, factor) {
|
||
|
|
const diagram = document.getElementById(id);
|
||
|
|
const currentScale = diagram.style.transform ? parseFloat(diagram.style.transform.replace('scale(', '').replace(')', '')) : 1;
|
||
|
|
const newScale = currentScale * factor;
|
||
|
|
diagram.style.transform = `scale(${newScale})`;
|
||
|
|
}
|
||
|
|
|
||
|
|
copyCode(button) {
|
||
|
|
const codeBlock = button.closest('.code-block-wrapper').querySelector('code');
|
||
|
|
const codeLines = codeBlock.querySelectorAll('.code-line');
|
||
|
|
let codeText = '';
|
||
|
|
|
||
|
|
codeLines.forEach((line) => {
|
||
|
|
const lineNumber = line.querySelector('.line-number').textContent;
|
||
|
|
const lineContent = line.querySelector('.line-content').textContent;
|
||
|
|
codeText += `${lineNumber} ${lineContent}\n`;
|
||
|
|
});
|
||
|
|
|
||
|
|
navigator.clipboard.writeText(codeText.trim()).then(() => {
|
||
|
|
button.classList.add('copied');
|
||
|
|
button.querySelector('svg').style.display = 'none';
|
||
|
|
button.innerHTML = 'Copied!';
|
||
|
|
setTimeout(() => {
|
||
|
|
button.classList.remove('copied');
|
||
|
|
button.innerHTML = `
|
||
|
|
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
|
||
|
|
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect>
|
||
|
|
<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
|
||
|
|
</svg>
|
||
|
|
Copy
|
||
|
|
`;
|
||
|
|
}, 2000);
|
||
|
|
}).catch(err => {
|
||
|
|
console.error('Failed to copy text: ', err);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
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, "'");
|
||
|
|
}
|
||
|
|
}
|