react-test/docs/data/joy/components/snackbar/CustomAnimatedSnackbar.js

import * as React from 'react';
import Button from '@mui/joy/Button';
import Snackbar from '@mui/joy/Snackbar';
import { keyframes } from '@mui/system';

const inAnimation = keyframes`
  0% {
    transform: scale(0);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
`;

const outAnimation = keyframes`
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0);
    opacity: 0;
  }
`;

export default function CustomAnimatedSnackbar() {
  const [open, setOpen] = React.useState(false);

  const animationDuration = 600;

  const handleClick = () => {
    setOpen(true);
  };

  const handleClose = () => {
    setOpen(false);
  };

  return (
    <div>
      <Button variant="outlined" color="neutral" onClick={handleClick}>
        Show Snackbar
      </Button>
      <Snackbar
        anchorOrigin={{ vertical: 'bottom', horizontal: 'right' }}
        open={open}
        onClose={handleClose}
        autoHideDuration={4000}
        animationDuration={animationDuration}
        sx={[
          open && {
            animation: `${inAnimation} ${animationDuration}ms forwards`,
          },
          !open && {
            animation: `${outAnimation} ${animationDuration}ms forwards`,
          },
        ]}
      >
        I love this animation!
      </Snackbar>
    </div>
  );
}