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Nested Object Fields in React Hook Form
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import { DevTool } from '@hookform/devtools'; | |
import { yupResolver } from '@hookform/resolvers/yup'; | |
import { Button, makeStyles, TextField } from '@material-ui/core'; | |
import { Controller, SubmitHandler, useForm } from 'react-hook-form'; | |
import * as yup from 'yup'; | |
const useStyles = makeStyles(theme => ({ | |
root: { | |
display: 'flex', | |
flexDirection: 'column', | |
justifyContent: 'center', | |
alignItems: 'center', | |
padding: theme.spacing(2), | |
'& .MuiTextField-root': { | |
margin: theme.spacing(1), | |
width: '300px', | |
}, | |
'& .MuiButtonBase-root': { | |
margin: theme.spacing(2), | |
}, | |
}, | |
})); | |
const schema = yup.object().shape({ | |
personalInfo: yup.object().shape({ | |
username: yup.string().required(), | |
email: yup.string().required(), | |
}), | |
password: yup.string().min(6), | |
}); | |
interface Inputs { | |
personalInfo: { | |
username: string; | |
email: string; | |
}; | |
password: string; | |
} | |
interface Props { | |
onModalClose: () => void; | |
} | |
function Form({ onModalClose }: Props): JSX.Element { | |
const classes = useStyles(); | |
const { handleSubmit, control, formState } = useForm<Inputs>({ | |
mode: 'onBlur', | |
resolver: yupResolver(schema), | |
defaultValues: { | |
personalInfo: { | |
username: '', | |
email: '', | |
}, | |
password: '', | |
}, | |
}); | |
const onSubmit: SubmitHandler<Inputs> = data => { | |
console.log('onSubmit', { | |
formState: { | |
...formState, | |
}, | |
data, | |
}); | |
return null; | |
}; | |
return ( | |
<> | |
<form className={classes.root} onSubmit={handleSubmit(onSubmit)}> | |
<Controller | |
name="personalInfo.username" | |
control={control} | |
render={({ field: { onChange, onBlur, value, ref } }) => ( | |
<TextField | |
onBlur={onBlur} | |
onChange={onChange} | |
value={value} | |
type="text" | |
variant="filled" | |
placeholder="username" | |
ref={ref} | |
/> | |
)} | |
/> | |
<Controller | |
name="personalInfo.email" | |
control={control} | |
render={({ field: { onChange, onBlur, value, ref } }) => ( | |
<TextField | |
onChange={onChange} | |
onBlur={onBlur} | |
value={value} | |
ref={ref} | |
type="email" | |
variant="filled" | |
placeholder="Email" | |
/> | |
)} | |
/> | |
<Controller | |
name="password" | |
control={control} | |
render={({ field: { onChange, onBlur, value, ref } }) => ( | |
<TextField | |
type="password" | |
variant="filled" | |
placeholder="Password" | |
onChange={onChange} | |
onBlur={onBlur} | |
value={value} | |
ref={ref} | |
/> | |
)} | |
/> | |
<Button variant="contained" onClick={onModalClose}> | |
Cancel | |
</Button> | |
<Button variant="contained" type="submit" color="primary"> | |
Submit | |
</Button> | |
</form> | |
{/* | |
Devtool currently not support nested object field, but it works correctly in react-hook-form | |
*/} | |
<DevTool control={control} placement="top-right" /> | |
</> | |
); | |
} | |
export default Form; |
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