Add loading state (#1027)

* add loading state

* update snapshots

* add border radius

* fix comment breaking build jsx

src/global.d.ts

@@ -9,3 +9,9 @@ interface Clipboard extends EventTarget {
 type Mutable<T> = {
   -readonly [P in keyof T]: T[P];
 };
+
+type ResolutionType<T extends (...args: any) => any> = T extends (
+  ...args: any
+) => Promise<infer R>
+  ? R
+  : any;