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| /** | |
| * Minimal, safe Markdown renderer for chat answers. | |
| * Supports: **bold**, *italic*, `code`, headings, bullet/numbered lists, tables, paragraphs, | |
| * and highlights [Source N] citations. All text is HTML-escaped FIRST, so model output can | |
| * never inject markup. | |
| */ | |
| (function (root) { | |
| function esc(text) { | |
| return String(text) | |
| .replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>') | |
| .replace(/"/g, '"').replace(/'/g, '''); | |
| } | |
| function inline(s) { | |
| return s | |
| .replace(/`([^`]+)`/g, '<code>$1</code>') | |
| .replace(/\*\*([^*]+?)\*\*/g, '<strong>$1</strong>') | |
| .replace(/(^|[^*])\*([^*\s][^*]*?)\*(?!\*)/g, '$1<em>$2</em>') | |
| .replace(/\[(Source\s+\d+)\]/g, '<span class="cite">[$1]</span>'); | |
| } | |
| const isTableSep = (line) => /^\s*\|?\s*:?-{3,}:?\s*(\|\s*:?-{3,}:?\s*)*\|?\s*$/.test(line || ''); | |
| const cells = (line) => line.trim().replace(/^\|/, '').replace(/\|$/, '').split('|').map((c) => c.trim()); | |
| function renderMarkdown(text) { | |
| const lines = esc(text || '').replace(/\r\n?/g, '\n').split('\n'); | |
| const out = []; | |
| let i = 0; | |
| while (i < lines.length) { | |
| const line = lines[i]; | |
| if (!line.trim()) { i++; continue; } | |
| if (line.trim().startsWith('|') && isTableSep(lines[i + 1])) { | |
| const head = cells(line); | |
| i += 2; | |
| const rows = []; | |
| while (i < lines.length && lines[i].trim().startsWith('|')) { rows.push(cells(lines[i])); i++; } | |
| out.push('<div class="md-table"><table><thead><tr>' + | |
| head.map((c) => `<th>${inline(c)}</th>`).join('') + '</tr></thead><tbody>' + | |
| rows.map((r) => '<tr>' + r.map((c) => `<td>${inline(c)}</td>`).join('') + '</tr>').join('') + | |
| '</tbody></table></div>'); | |
| continue; | |
| } | |
| const heading = line.match(/^\s*(#{1,4})\s+(.*)$/); | |
| if (heading) { out.push(`<p class="md-h"><strong>${inline(heading[2])}</strong></p>`); i++; continue; } | |
| if (/^\s*[-*•]\s+/.test(line)) { | |
| const items = []; | |
| while (i < lines.length && /^\s*[-*•]\s+/.test(lines[i])) { | |
| items.push(`<li>${inline(lines[i].replace(/^\s*[-*•]\s+/, ''))}</li>`); i++; | |
| } | |
| out.push(`<ul>${items.join('')}</ul>`); | |
| continue; | |
| } | |
| if (/^\s*\d+[.)]\s+/.test(line)) { | |
| const items = []; | |
| while (i < lines.length && /^\s*\d+[.)]\s+/.test(lines[i])) { | |
| items.push(`<li>${inline(lines[i].replace(/^\s*\d+[.)]\s+/, ''))}</li>`); i++; | |
| } | |
| out.push(`<ol>${items.join('')}</ol>`); | |
| continue; | |
| } | |
| const para = []; | |
| while (i < lines.length && lines[i].trim() && !/^\s*([-*•]|\d+[.)])\s+/.test(lines[i]) && | |
| !lines[i].trim().startsWith('|') && !/^\s*#{1,4}\s+/.test(lines[i])) { | |
| para.push(inline(lines[i])); i++; | |
| } | |
| if (para.length) out.push(`<p>${para.join('<br>')}</p>`); | |
| else i++; | |
| } | |
| return out.join(''); | |
| } | |
| if (typeof module !== 'undefined' && module.exports) module.exports = { renderMarkdown }; | |
| else root.renderMarkdown = renderMarkdown; | |
| })(typeof window !== 'undefined' ? window : globalThis); | |