react-test/docs/data/material/components/text-fields/StateTextFields.tsx

import * as React from 'react';
import Box from '@mui/material/Box';
import TextField from '@mui/material/TextField';

export default function StateTextFields() {
  const [name, setName] = React.useState('Cat in the Hat');

  return (
    <Box
      component="form"
      sx={{ '& > :not(style)': { m: 1, width: '25ch' } }}
      noValidate
      autoComplete="off"
    >
      <TextField
        id="outlined-controlled"
        label="Controlled"
        value={name}
        onChange={(event: React.ChangeEvent<HTMLInputElement>) => {
          setName(event.target.value);
        }}
      />
      <TextField
        id="outlined-uncontrolled"
        label="Uncontrolled"
        defaultValue="foo"
      />
    </Box>
  );
}