react-test/docs/data/material/components/autocomplete/ControllableStates.tsx

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

const options = ['Option 1', 'Option 2'];

export default function ControllableStates() {
  const [value, setValue] = React.useState<string | null>(options[0]);
  const [inputValue, setInputValue] = React.useState('');

  return (
    <div>
      <div>{`value: ${value !== null ? `'${value}'` : 'null'}`}</div>
      <div>{`inputValue: '${inputValue}'`}</div>
      <br />
      <Autocomplete
        value={value}
        onChange={(event: any, newValue: string | null) => {
          setValue(newValue);
        }}
        inputValue={inputValue}
        onInputChange={(event, newInputValue) => {
          setInputValue(newInputValue);
        }}
        id="controllable-states-demo"
        options={options}
        sx={{ width: 300 }}
        renderInput={(params) => <TextField {...params} label="Controllable" />}
      />
    </div>
  );
}