Typescript error on validation

[cinemaster]

Are you submitting a bug report or a feature request?

bug report

What is the current behavior?

It's just error on typescripts.

Type '(value: UserValue[]) => ValidationErrors[]' is not assignable to type 'FieldValidator<UserValue>'.
  Types of parameters 'value' and 'value' are incompatible.
    Type 'UserValue' is missing the following properties from type 'UserValue[]': length, pop, push, concat, and 28 more.  TS2322

    221 |                     ...
    222 |                   />
  > 223 |                   <FieldArray<UserValue> name="users" validate={this.validateUser}>
        |                                                        ^
    224 |                     {({ fields }) => (
    225 |                       ...

and my validation is

validateUser = (value: UserValue[]) => {
	...
};

What is the expected behavior?

I think on definition UseFieldArrayConfig interface here, it should be assigned validate method as validate?: FieldValidator<FieldValue[]>.Otherwise it's defined with FieldValidator<FieldValue> and it occurs above type mismatch.

What's your environment?

% grep final-form ./package.json
./package.json:10:    "final-form": "^4.16.1",
./package.json:11:    "final-form-arrays": "^1.1.2",
./package.json:21:    "react-final-form": "^6.3.0",
./package.json:22:    "react-final-form-arrays": "^3.1.0",

Other information

If this change is ok, I can create PR for this.

[erikras]

Or maybe...

extends UseFieldConfig<FieldValue> ➡️ extends UseFieldConfig<FieldValue[]>

?

[cinemaster]

Ah, yes.
It's much better, I think.

[MaciejSzewczyszyn]

Hi, any progress on this?

[evgenii-bond]

any progress on this?

[erikras]

Published fix in v3.1.2.