add charts to export api

apps/api/src/utils/parse-zod-query-string.ts

@@ -0,0 +1,19 @@
+import { getSafeJson } from '@openpanel/common';
+
+export const parseQueryString = (obj: Record<string, any>): any => {
+  return Object.fromEntries(
+    Object.entries(obj).map(([k, v]) => {
+      if (typeof v === 'object') return [k, parseQueryString(v)];
+      if (!isNaN(parseFloat(v))) return [k, parseFloat(v)];
+      if (v === 'true') return [k, true];
+      if (v === 'false') return [k, false];
+      if (typeof v === 'string') {
+        if (getSafeJson(v) !== null) {
+          return [k, getSafeJson(v)];
+        }
+        return [k, v];
+      }
+      return [k, null];
+    })
+  );
+};