chore: CRM-NEW baseline

2026-10-23 10:35:28 +08:00
commit aa499f6dbf
111 changed files with 15126 additions and 0 deletions
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+'use strict';
+
+// 极简 Markdown → HTML（只覆盖 LLM 常用：粗体、链接、列表、段落、行内代码）。
+// LibreDesk 的 live chat 消息按 HTML 渲染，直接发 Markdown 会显示成 ** 和 [text](url)。
+function escapeHtml(text) {
+  return String(text || '')
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;');
+}
+
+function inline(text) {
+  const links = [];
+  let out = text.replace(/\[([^\]]+)\]\((https?:\/\/[^\s)]+)\)/g, (_, label, url) => {
+    links.push(`<a href="${url}" target="_blank" rel="noopener noreferrer">${label}</a>`);
+    return `\u0000L${links.length - 1}\u0000`;
+  });
+  out = out.replace(/\*\*([^*]+)\*\*/g, '<strong>$1</strong>');
+  out = out.replace(/`([^`]+)`/g, '<code>$1</code>');
+  // 裸 URL 自动转链接（占位符里还没有 http，避免重复处理 href）
+  out = out.replace(/(https?:\/\/[^\s<]+)/g, '<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>');
+  out = out.replace(/\u0000L(\d+)\u0000/g, (_, i) => links[Number(i)] || '');
+  return out;
+}
+
+function markdownToHtml(markdown) {
+  const escaped = escapeHtml(markdown);
+  const lines = escaped.split(/\r?\n/);
+  const html = [];
+  let paragraph = [];
+  let list = null; // 'ul' | 'ol'
+
+  const flushParagraph = () => {
+    if (!paragraph.length) return;
+    html.push(`<p>${paragraph.map(inline).join('<br>')}</p>`);
+    paragraph = [];
+  };
+  const closeList = () => {
+    if (!list) return;
+    html.push(`</${list}>`);
+    list = null;
+  };
+
+  for (const rawLine of lines) {
+    const line = rawLine.trim();
+    if (!line) {
+      flushParagraph();
+      closeList();
+      continue;
+    }
+    const bullet = /^[-*]\s+(.*)$/.exec(line);
+    const numbered = /^\d+[.)]\s+(.*)$/.exec(line);
+    if (bullet || numbered) {
+      flushParagraph();
+      const kind = bullet ? 'ul' : 'ol';
+      if (list !== kind) {
+        closeList();
+        list = kind;
+        html.push(`<${kind}>`);
+      }
+      html.push(`<li>${inline((bullet || numbered)[1])}</li>`);
+      continue;
+    }
+    closeList();
+    const heading = /^#{1,3}\s+(.*)$/.exec(line);
+    if (heading) {
+      flushParagraph();
+      html.push(`<p><strong>${inline(heading[1])}</strong></p>`);
+      continue;
+    }
+    paragraph.push(line);
+  }
+  flushParagraph();
+  closeList();
+  return html.join('');
+}
+
+module.exports = { markdownToHtml, escapeHtml };