formik setfieldvalue
useEffect(() => {
if (!isAddMode) {
// get user and set form fields
userService.getById(id).then(user => {
const fields = ['title', 'firstName', 'lastName', 'email', 'role'];
fields.forEach(field => setFieldValue(field, user[field], false));
setUser(user);
});
}
}, []);setFieldValue
const Form = ({ data }) => (
<Formik
initialValues={data}
...and do some more stuff here like error handling submit handling etc...
render={({ values, handleSubmit, handleChange, handleBlur }) => (
<Form onSubmit={handleSubmit}>
<Field
name="mail.email"
value={values.mail.mail}
render={({ field, form }) => (
<input
{...field}
onChange={e => {
const domain = e.target.value.replace(/.*@/, '')
handleChange(e)
form.setFieldValue('mail.domain', domain)
}}
/>
)}
/>
<input
name="mail.domain"
value={values.mail.domain}
onChange={handleChange}
onBlur={handleBlur}
/>
<button type="submit">Submit</button>
</Form>
)}
/>
)Copyright © 2021 Codeinu
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