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import { useForm } from 'react-hook-form';
const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
export default function App() {
const {
register,
handleSubmit,
formState: { errors },
setError,
} = useForm();
const onSubmit = async (data) => {
await sleep(2000);
if (data.username === 'bill') {
alert(JSON.stringify(data));
} else {
alert('There is error');
setError('username', 'validate');
}
};
console.log(errors);
return (
<div className="App">
<form onSubmit={handleSubmit(onSubmit)}>
<div>
<label htmlFor="username">User Name</label>
<input id="username" placeholder="Bill" {...register('username')} />
</div>
<div>
<label htmlFor="lastName">Last Name</label>
<input id="lastName" placeholder="Luo" {...register('lastName')} />
</div>
<div>
<label htmlFor="email">Email</label>
<input
id="email"
placeholder="bluebill1049@hotmail.com"
type="text"
{...register('email')}
/>
</div>
<div style={{ color: 'red' }}>
{Object.keys(errors).length > 0 &&
'There are errors, check your console.'}
</div>
<button type="submit">Submit</button>
</form>
</div>
);
}
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