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How to properly use yup validation schema with (React) Final Form?
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import * as yup from 'yup'; | |
import { setIn } from 'final-form'; | |
const validationSchema = yup.object({ | |
email: yup.string().email(), | |
shipping: yup.object({ | |
name: yup.string(), | |
phone: yup.object({ | |
code: yup.string().matches(/^\+\d+$/i), | |
number: yup.number().max(10), | |
}), | |
address: yup.string(), | |
zip: yup.string(), | |
}), | |
billing: yup.object({ | |
name: yup.string(), | |
address: yup.string(), | |
zip: yup.string(), | |
}), | |
items: yup.array().of( | |
yup.object({ | |
id: yup.number(), | |
price: yup.number(), | |
quantity: yup.number(), | |
}) | |
), | |
}); | |
// To be passed to React Final Form | |
const validateFormValues = (schema) => async (values) => { | |
if (typeof schema === 'function') { | |
schema = schema(); | |
} | |
try { | |
await schema.validate(values, { abortEarly: false }); | |
} catch (err) { | |
const errors = err.inner.reduce((formError, innerError) => { | |
return setIn(formError, innerError.path, innerError.message); | |
}, {}); | |
return errors; | |
} | |
}; | |
const validate = validateFormValues(validationSchema); | |
const MyForm = () => ( | |
<Form // from react-final-form | |
onSubmit={onSubmit} | |
validate={validate} | |
/> | |
); |
with typescript resolver
import { setIn } from "final-form"; import { AnySchema, ValidationError } from "yup"; export function yupResolver(schema: AnySchema) { return async (value: object) => { try { await schema.validate(value, { abortEarly: false }); } catch (error) { if (error instanceof ValidationError) { return error.inner.reduce((errors, error: ValidationError) => { const path = error.path ?? "global"; return setIn(errors, path, error.message); }, {}); } throw error; } }; }<Form onSubmit={(fields) => console.log(fields)} validate={yupResolver(SupplierSchema)}...
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with typescript resolver