chore: convert class components to functional (#2065)

1 files changed, 39 insertions, 0 deletions

diff --git a/src/components/ui/effects/Appear.tsx b/src/components/ui/effects/Appear.tsx
new file mode 100644
index 000000000..117c02f97
--- /dev/null
+++ b/src/components/ui/effects/Appear.tsx
@@ -0,0 +1,39 @@
+import { ReactChildren, useEffect, useState } from 'react';
+import ReactCSSTransitionGroup from 'react-addons-css-transition-group';
+
+type Props = {
+  children: ReactChildren;
+  transitionName: string;
+  className: string;
+};
+const Appear = ({
+  children,
+  transitionName = 'fadeIn',
+  className = '',
+}: Props) => {
+  const [mounted, setMounted] = useState(false);
+
+  useEffect(() => {
+    setMounted(true);
+  }, []);
+
+  if (!mounted) {
+    return null;
+  }
+
+  return (
+    <ReactCSSTransitionGroup
+      transitionName={transitionName}
+      transitionAppear
+      transitionLeave
+      transitionAppearTimeout={1500}
+      transitionEnterTimeout={1500}
+      transitionLeaveTimeout={1500}
+      className={className}
+    >
+      {children}
+    </ReactCSSTransitionGroup>
+  );
+};
+
+export default Appear;