File size: 1,560 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 |
import React, { useEffect } from 'react';
import { useForm } from 'react-hook-form';
let renderCounter = 0;
const SetValueWithTrigger: React.FC = () => {
const {
register,
setValue,
handleSubmit,
formState: { errors },
} = useForm<{
firstName: string;
lastName: string;
}>();
useEffect(() => {
register('firstName', {
required: 'required',
minLength: {
value: 10,
message: 'minLength 10',
},
});
register('lastName', {
validate: (data) => {
if (data === 'bill') {
return true;
}
if (data && data.length < 10) {
return 'too short';
}
return 'error message';
},
});
}, [register]);
renderCounter++;
return (
<form onSubmit={handleSubmit(() => {})}>
<input
name="firstName"
placeholder="firstName"
onChange={(e) =>
setValue('firstName', e.target.value, {
shouldValidate: true,
shouldDirty: true,
})
}
/>
{errors.firstName && <p>{errors.firstName.message}</p>}
<input
name="lastName"
placeholder="lastName"
onChange={(e) =>
setValue('lastName', e.target.value, {
shouldValidate: true,
shouldDirty: true,
})
}
/>
{errors.lastName && <p>{errors.lastName.message}</p>}
<button>Submit</button>
<div id="renderCount">{renderCounter}</div>
</form>
);
};
export default SetValueWithTrigger;
|