commerce/lib/spree/utils/validations/validate-all-products-taxonomy-id.ts

const validateAllProductsTaxonomyId = (taxonomyId: unknown): string | false => {
  if (!taxonomyId || taxonomyId === 'false') {
    return false;
  }

  if (typeof taxonomyId === 'string') {
    return taxonomyId;
  }

  throw new TypeError('taxonomyId must be a string or falsy.');
};

export default validateAllProductsTaxonomyId;