Show user and actors media usage in admin

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/utils/datetime.ts

@@ -18,4 +18,17 @@ function localeShortWeekDayNames(): string[] {
   return weekDayNames;
 }
 
-export { localeMonthNames, localeShortWeekDayNames };
+// https://stackoverflow.com/a/18650828/10204399
+function formatBytes(bytes: number, decimals = 2): string {
+  if (bytes === 0) return "0 Bytes";
+
+  const k = 1024;
+  const dm = decimals < 0 ? 0 : decimals;
+  const sizes = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
+
+  const i = Math.floor(Math.log(bytes) / Math.log(k));
+
+  return `${parseFloat((bytes / k ** i).toFixed(dm))} ${sizes[i]}`;
+}
+
+export { localeMonthNames, localeShortWeekDayNames, formatBytes };