When working with TextareaAutosize component in MUI, an issue surfaces where you need to click on the textarea again after entering each character

One issue that arises when using TextareaAutosize from MUI is the need to click on the textarea again after entering each character. This problem specifically occurs when utilizing

StyledTextarea = styled(TextareaAutosize)

The initial code snippet accomplishes the intended functionality as expected.

const Hello = ()=> {
    const [text, setText] = useState('');
    const handleTextChange = (event) => {
        setText(event.target.value);
    };

    return (
        <div>
            <TextareaAutosize
                value={text}
                onChange={handleTextChange}
                autoCorrect='false'
                minRows={15}
            />
            
        </div>
    );
};

export default Hello;

However, introducing styling with 'styled' creates the mentioned problem.

const Hello = ()=> {

    const [text, setText] = useState('');
    const handleTextChange = (event) => {
        setText(event.target.value);
    };

    const StyledTextarea = styled(TextareaAutosize)(
    ({ theme }) => `border-radius: 12px 12px 0 12px;`



    return (
        <div>
            <StyledTextarea
                value={text}
                onChange={handleTextChange}
                autoCorrect='false'
                minRows={15}
            />
            
        </div>
    );
};

export default Hello;

The use of "styled" does not impact the functionality or props of the component, which raises questions about why this issue occurs and how it can be resolved.

Answer №1

For optimal performance, it is advised to move the declaration of StyledTextarea outside of the component. This is because with each render, the textarea will be recreated causing it to lose its focus.

const StyledTextarea = styled(TextareaAutosize)`
   ({ theme }) => border-radius: 12px 12px 0 12px;
`;

const Greetings = () => {
  const [text, setText] = useState('');
  const handleTextChange = (event) => {
    setText(event.target.value);
  };

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