sync form work

lib/ui.js

@@ -4,6 +4,7 @@ import { createCheckbox, resolveCheckbox } from "./ui/checkbox";
 import { setTooltip, resolveTooltip } from "./ui/tooltip";
 import Dropdown from "./ui/dropdown";
 import Grid from "./ui/grid";
+import Popup from "./ui/popup";
 import { createPopup } from "./ui/popup";
 
 export {
@@ -21,5 +22,6 @@ export {
   // grid
   Grid,
   // popup
+  Popup,
   createPopup
 }