coco-app/src/components/Assistant/FullScreen.tsx

import { useEffect, useState, useCallback, useRef } from "react";
import { Button } from "@headlessui/react";
import { Minimize2, Maximize2 } from "lucide-react";

export function FullScreen(props: any) {
  const { children, right = 10, top = 10, ...rest } = props;
  const ref = useRef<HTMLDivElement>();
  const [fullScreen, setFullScreen] = useState(false);
  const toggleFullscreen = useCallback(() => {
    if (!document.fullscreenElement) {
      ref.current?.requestFullscreen();
    } else {
      document.exitFullscreen();
    }
  }, []);
  useEffect(() => {
    const handleScreenChange = (e: any) => {
      if (e.target === ref.current) {
        setFullScreen(!!document.fullscreenElement);
      }
    };
    document.addEventListener("fullscreenchange", handleScreenChange);
    return () => {
      document.removeEventListener("fullscreenchange", handleScreenChange);
    };
  }, []);
  return (
    <div ref={ref} style={{ position: "relative" }} {...rest}>
      <div style={{ position: "absolute", right, top }}>
        <Button onClick={toggleFullscreen}>
          {fullScreen ? <Minimize2 /> : <Maximize2 />}
        </Button>
      </div>
      {children}
    </div>
  );
}