feat: add single player mode

apps/marketing/src/components/(marketing)/confetti-screen.tsx

@@ -0,0 +1,46 @@
+'use client';
+
+import React, { useEffect, useState } from 'react';
+
+import Confetti from 'react-confetti';
+import { createPortal } from 'react-dom';
+
+import { useIsMounted } from '@documenso/lib/client-only/hooks/use-is-mounted';
+import { useWindowSize } from '@documenso/lib/client-only/hooks/use-window-size';
+
+export default function ConfettiScreen({
+  numberOfPieces: numberOfPiecesProp = 200,
+  ...props
+}: React.ComponentPropsWithoutRef<typeof Confetti> & { duration?: number }) {
+  const isMounted = useIsMounted();
+  const { width, height } = useWindowSize();
+
+  const [numberOfPieces, setNumberOfPieces] = useState(numberOfPiecesProp);
+
+  useEffect(() => {
+    if (!props.duration) {
+      return;
+    }
+
+    const timer = setTimeout(() => {
+      setNumberOfPieces(0);
+    }, props.duration);
+
+    return () => clearTimeout(timer);
+  }, [props.duration]);
+
+  if (!isMounted) {
+    return null;
+  }
+
+  return createPortal(
+    <Confetti
+      {...props}
+      className="w-full"
+      numberOfPieces={numberOfPieces}
+      width={width}
+      height={height}
+    />,
+    document.body,
+  );
+}