@blocklet/payment-react/src/libs/validator.ts

Reusable react components for payment kit v2

import isPostalCode, { PostalCodeLocale } from 'validator/lib/isPostalCode';
import { t } from '../locales';

const POSTAL_CODE_SUPPORTED_COUNTRIES: PostalCodeLocale[] = [
  'AD',
  'AT',
  'AU',
  'BE',
  'BG',
  'BR',
  'CA',
  'CH',
  'CN',
  'CZ',
  'DE',
  'DK',
  'DZ',
  'EE',
  'ES',
  'FI',
  'FR',
  'GB',
  'GR',
  'HR',
  'HU',
  'ID',
  'IE',
  'IL',
  'IN',
  'IR',
  'IS',
  'IT',
  'JP',
  'KE',
  'KR',
  'LI',
  'LT',
  'LU',
  'LV',
  'MX',
  'MT',
  'NL',
  'NO',
  'NZ',
  'PL',
  'PR',
  'PT',
  'RO',
  'RU',
  'SA',
  'SE',
  'SI',
  'SK',
  'TN',
  'TW',
  'UA',
  'US',
  'ZA',
  'ZM',
];
export function validatePostalCode(postalCode: string, country?: string): boolean {
  if (!postalCode) return true;
  const countryUpper = country?.toUpperCase();
  const isSupported = country && POSTAL_CODE_SUPPORTED_COUNTRIES.includes(countryUpper as PostalCodeLocale);
  try {
    return isPostalCode(postalCode, isSupported ? (countryUpper as PostalCodeLocale) : 'any');
  } catch (error) {
    console.error(error);
    return false;
  }
}

export function getFieldValidation(fieldName: string, validations?: Record<string, any>, locale: string = 'en') {
  if (!validations || !validations[fieldName]) return {};
  const fieldValidation = validations[fieldName];
  const rules: Record<string, any> = {};
  if (fieldValidation.pattern) {
    rules.pattern = {
      value: new RegExp(fieldValidation.pattern),
      message: fieldValidation.pattern_message?.[locale] || t('payment.checkout.invalid', locale),
    };
  }
  return rules;
}