bugfix

utility.ts

@@ -1,4 +1,7 @@
-export function guardStringNotEmpty(data: any, cb: (data: string) => void): void {
+export function guardStringNotEmpty(
-  if (typeof data != "string" || data != "") return;
+  data: any,
+  cb: (data: string) => void
+): void {
+  if (typeof data != "string" || data == "") return;
   cb(data);
 }