Formik: Get values in validationSchema for dynamic validation rules

[davetimmins]

As well as accessing the props in validationSchema is it possible to get the current values? I'm wanting a way to define the validation dynamically based on the values selected by the user.

e.g.

validationSchema?: Schema | ((props: Props) => Schema)
// becomes
validationSchema?: Schema | ((values: Values, props: Props) => Schema)

happy to submit a PR if you're interested in this.

[codeincontext]

Hi Dave

Is yup.lazy enough to solve your problem?
https://github.com/jquense/yup/blob/master/README.md#yuplazyvalue-any--schema-lazy
On Wed, 30 Aug 2017 at 00:23 Dave Timmins [e-mail] wrote:

As well as accessing the props in validationSchema is it possible to get
the current values? I'm wanting a way to define the validation dynamically
based on the values selected by the user.

e.g.

validationSchema?: Schema | ((props: Props) => Schema)// becomes
validationSchema?: Schema | ((values: Values, props: Props) => Schema)

happy to submit a PR if you're interested in this.

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[davetimmins]

Yes it is thanks!

so if anyone is interested it's now

validationSchema: props => {
    return Yup.lazy(values => {      
      return Yup.object().shape({

whereas before it was

validationSchema: props =>    
    Yup.object().shape({

[codeincontext]

👍👍👍
On Wed, 30 Aug 2017 at 05:49 Dave Timmins [e-mail] wrote:

Closed #145 https://github.com/jaredpalmer/formik/issues/145.

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[nitaking]

@davetimmins Sounds good!!