react-test/docs/data/material/components/dialogs/FormDialog.tsx

import * as React from 'react';
import Button from '@mui/material/Button';
import TextField from '@mui/material/TextField';
import Dialog from '@mui/material/Dialog';
import DialogActions from '@mui/material/DialogActions';
import DialogContent from '@mui/material/DialogContent';
import DialogContentText from '@mui/material/DialogContentText';
import DialogTitle from '@mui/material/DialogTitle';

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

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

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

  const handleSubmit = (event: React.FormEvent<HTMLFormElement>) => {
    event.preventDefault();
    const formData = new FormData(event.currentTarget);
    const formJson = Object.fromEntries((formData as any).entries());
    const email = formJson.email;
    console.log(email);
    handleClose();
  };

  return (
    <React.Fragment>
      <Button variant="outlined" onClick={handleClickOpen}>
        Open form dialog
      </Button>
      <Dialog open={open} onClose={handleClose}>
        <DialogTitle>Subscribe</DialogTitle>
        <DialogContent>
          <DialogContentText>
            To subscribe to this website, please enter your email address here. We
            will send updates occasionally.
          </DialogContentText>
          <form onSubmit={handleSubmit} id="subscription-form">
            <TextField
              autoFocus
              required
              margin="dense"
              id="name"
              name="email"
              label="Email Address"
              type="email"
              fullWidth
              variant="standard"
            />
          </form>
        </DialogContent>
        <DialogActions>
          <Button onClick={handleClose}>Cancel</Button>
          <Button type="submit" form="subscription-form">
            Subscribe
          </Button>
        </DialogActions>
      </Dialog>
    </React.Fragment>
  );
}