Changeset 0.37.8 (#220)

Co-authored-by: gobha <jasafpro@gmail.com>
Co-committed-by: gobha <jasafpro@gmail.com>

src/js/sw/components/chat-pane/markdown.js

@@ -0,0 +1,41 @@
+// ==========================================
+// ChatPane Kit — Markdown Renderer
+// ==========================================
+// Wraps window.marked + window.DOMPurify with fallback.
+// Independently importable utility.
+//
+// Usage:
+//   import { renderMarkdown } from './markdown.js';
+//   const html = renderMarkdown('**bold** text');
+
+let _lastInput = '';
+let _lastOutput = '';
+
+const _escMap = { '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' };
+
+function _escapeHtml(text) {
+    return text.replace(/[&<>"']/g, c => _escMap[c]);
+}
+
+/**
+ * Render markdown text to sanitized HTML.
+ * Falls back to escaped plaintext when marked/DOMPurify unavailable.
+ *
+ * @param {string} text — raw markdown
+ * @returns {string} sanitized HTML
+ */
+export function renderMarkdown(text) {
+    if (!text) return '';
+    if (text === _lastInput) return _lastOutput;
+
+    let result;
+    if (typeof marked !== 'undefined' && typeof DOMPurify !== 'undefined') {
+        result = DOMPurify.sanitize(marked.parse(text));
+    } else {
+        result = _escapeHtml(text);
+    }
+
+    _lastInput = text;
+    _lastOutput = result;
+    return result;
+}