redux-form/redux-form

// @flow
import type { Structure } from './types'

const getErrorKeys = (name, type) => {
  switch (type) {
    case 'Field':
      return [name, `${name}._error`]
    case 'FieldArray':
      return [`${name}._error`]
    default:
      throw new Error('Unknown field type')
  }
}

export default function createHasError({ getIn }: Structure<any, any>) {
  return (field: any, syncErrors: any, asyncErrors: any, submitErrors: any) => {
    if (!syncErrors && !asyncErrors && !submitErrors) {
      return false
    }

    const name = getIn(field, 'name')
    const type = getIn(field, 'type')
    return getErrorKeys(name, type).some(
      key => getIn(syncErrors, key) || getIn(asyncErrors, key) || getIn(submitErrors, key)
    )
  }
}