Prevent line break on textarea when Shift + Enter is pressed

How to disable line breaks on the <textarea> when shift + enter is pressed.

The attached code here below disables line break when only enter is pressed. I want to disable shift + enter as well.

onKeyPress={(event) => {
   if (event.key === 'Enter' && !event.shiftKey) {
      onInputPressEnter(event, elementsRefs);
      setSubmitted(true);
   }
}}