@hookform/resolvers/io-ts/src/types.ts

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype and Typanion

import * as t from 'io-ts';
import {
  FieldError,
  FieldValues,
  ResolverOptions,
  ResolverResult,
} from 'react-hook-form';

export type Resolver = <T, TFieldValues extends FieldValues, TContext>(
  codec: t.Decoder<FieldValues, T>,
) => (
  values: TFieldValues,
  _context: TContext | undefined,
  options: ResolverOptions<TFieldValues>,
) => ResolverResult<TFieldValues>;

export type ErrorObject = Record<string, FieldError>;
export type FieldErrorWithPath = FieldError & { path: string };