More changes based on feedback

src/lib/ae_utils.ts

@@ -130,6 +130,11 @@ export let iso_datetime_formatter = function iso_datetime_formatter(raw_datetime
 }
 
 
+/* This utility function will add commas to a number. */
+function number_w_commas(x) {
+    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+}
+
 
 /* This utility function looks for any form data with the prefixed name passed and returns a new object.
  * This function is used heavily! Be very careful making changes!!!
@@ -473,6 +478,7 @@ function create_video_element({account_id, base_url, hosted_file_id, filename=nu
 
 export let ae_util = {
     iso_datetime_formatter: iso_datetime_formatter,
+    number_w_commas: number_w_commas,
     extract_prefixed_form_data: extract_prefixed_form_data,
     process_permission_checks: process_permission_checks,
     handle_url_and_message: handle_url_and_message,