sort tools improvements

src/utils/string.ts

@@ -2,3 +2,7 @@ export function capitalizeFirstLetter(string: string | undefined) {
   if (!string) return '';
   return string.charAt(0).toUpperCase() + string.slice(1);
 }
+
+export function isNumber(number: any) {
+  return !isNaN(parseFloat(number)) && isFinite(number);
+}