refactor(AsyncButton): add loader

packages/app/src/Element/AsyncButton.css

@@ -0,0 +1,27 @@
+button {
+  position: relative;
+}
+
+.spinner {
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  top: 0;
+  left: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  animation-name: spin;
+  animation-duration: 800ms;
+  animation-iteration-count: infinite;
+  animation-timing-function: linear;
+}
+
+@keyframes spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

packages/app/src/Element/AsyncButton.tsx

@@ -1,3 +1,4 @@
+import "./AsyncButton.css";
 import { useState } from "react";
 
 interface AsyncButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
@@ -5,6 +6,27 @@ interface AsyncButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement>
   children?: React.ReactNode;
 }
 
+interface LoaderProps {
+  className: string
+}
+
+const Loader = ({ className }: LoaderProps ) => (
+  <div className={className}>
+    <svg
+      width="13"
+      height="14"
+      viewBox="0 0 13 14"
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+    >
+      <path
+        d="M4.38798 12.616C3.36313 12.2306 2.46328 11.5721 1.78592 10.7118C1.10856 9.85153 0.679515 8.82231   0.545268 7.73564C0.411022 6.64897 0.576691 5.54628 1.02433 4.54704C1.47197 3.54779 2.1845 2.69009 3.08475   2.06684C3.98499 1.4436 5.03862 1.07858 6.13148 1.01133C7.22435 0.944078 8.31478 1.17716 9.28464    1.68533C10.2545 2.19349 11.0668 2.95736 11.6336 3.89419C12.2004 4.83101 12.5 5.90507 12.5 7"
+        stroke="white"
+      />
+    </svg>
+  </div>
+)
+
 export default function AsyncButton(props: AsyncButtonProps) {
   const [loading, setLoading] = useState<boolean>(false);
 
@@ -25,7 +47,8 @@ export default function AsyncButton(props: AsyncButtonProps) {
 
   return (
     <button type="button" disabled={loading} {...props} onClick={handle}>
-      {props.children}
+      <span style={{visibility: (loading ? "hidden" : "visible")}}>{props.children}</span>
+      {loading && <Loader className="spinner" />}
     </button>
   );
 }