A react form in TypeScript

EssayForm.tsx

export const EssayForm = () => {
   const [essay, setEssay] = useState('Please write an essay about your favourite DOM element.');
   
   const changeEssay = (event) => setEssay(event.target.value);
   const submit = (event) => {
      alert('An essay was submitted: ' + essay);
      event.preventDefault();
   };

   return (
     <form onSubmit={submit}>
       <label>
         Essay:
         <textarea value={essay} onChange={changeEssay} />
       </label>
       <input type="submit" value="Submit" />
     </form>
   )
};