OPC

lib/search.ts

@@ -0,0 +1,14 @@
+export function escapeRegExp(input: string): string {
+  return input.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+}
+
+export function buildSearchFilter(query?: string) {
+  if (!query) return null;
+  const trimmed = query.trim();
+  if (!trimmed) return null;
+  const safe = escapeRegExp(trimmed);
+  const regex = new RegExp(safe, "i");
+  return {
+    $or: [{ title: { $regex: regex } }, { markdown: { $regex: regex } }]
+  };
+}