astuto/app/javascript/helpers/formUtils.ts

import { FieldError } from "react-hook-form";
import I18n from 'i18n-js';

export const getLabel = (
  entity: string,
  attribute: string = undefined,
) => (
  attribute ?
    I18n.t(`activerecord.attributes.${entity}.${attribute}`)
  :
    I18n.t(`activerecord.models.${entity}`, { count: 1 })
);

export const getValidationMessage = (
  validationType: FieldError['type'],
  entity: string,
  attribute: string,
) => (
  I18n.t(
    `common.validations.${validationType}`,
    { attribute: getLabel(entity, attribute) }
  )
);