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import React from 'react';
import ReactDOM from 'react-dom';
import { useForm } from 'react-hook-form';
export default function App() {
const {
register,
formState: { errors },
handleSubmit,
} = useForm();
const onSubmit = (data) => {
alert(JSON.stringify(data));
};
return (
<div className="App">
<form onSubmit={handleSubmit(onSubmit)}>
<label htmlFor="firstName">First Name</label>
<input
placeholder="Bill"
{...register('firstName', {
required: 'this is a required',
maxLength: {
value: 2,
message: 'Max length is 2',
},
})}
/>
<br />
{errors.firstName && errors.firstName.message}
<br />
<label htmlFor="lastName">Last Name</label>
<input
placeholder="Luo"
{...register('lastName', {
required: 'this is required',
minLength: {
value: 2,
message: 'Min length is 2',
},
})}
/>
<br />
{errors.lastName && errors.lastName.message}
<br />
<label htmlFor="email">Email</label>
<input
placeholder="bluebill1049@hotmail.com"
type="text"
{...register('email', {
required: 'this is required',
pattern: {
value:
/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/,
message: 'Invalid email address',
},
})}
/>
<br />
{errors.email && errors.email.message}
<br />
<button type="submit">Submit</button>
</form>
</div>
);
}
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