woocommerce/plugins/woocommerce-blocks/packages/checkout/utils/validation/is-postcode.ts

37 lines
1.1 KiB
TypeScript

/**
* External dependencies
*/
import { POSTCODE_REGEXES } from 'postcode-validator/lib/cjs/postcode-regexes.js';
const CUSTOM_REGEXES = new Map< string, RegExp >( [
[ 'BA', /^([7-8]{1})([0-9]{4})$/ ],
[
'GB',
/^([A-Z]){1}([0-9]{1,2}|[A-Z][0-9][A-Z]|[A-Z][0-9]{2}|[A-Z][0-9]|[0-9][A-Z]){1}([ ])?([0-9][A-Z]{2}){1}|BFPO(?:\s)?([0-9]{1,4})$|BFPO(c\/o[0-9]{1,3})$/i,
],
[ 'IN', /^[1-9]{1}[0-9]{2}\s{0,1}[0-9]{3}$/ ],
[ 'JP', /^([0-9]{3})([-]?)([0-9]{4})$/ ],
[ 'LI', /^(94[8-9][0-9])$/ ],
[ 'NL', /^([1-9][0-9]{3})(\s?)(?!SA|SD|SS)[A-Z]{2}$/i ],
[ 'SI', /^([1-9][0-9]{3})$/ ],
] );
const DEFAULT_REGEXES = new Map< string, RegExp >( [
...POSTCODE_REGEXES,
...CUSTOM_REGEXES,
] );
export interface IsPostcodeProps {
postcode: string;
country: string;
}
const isPostcode = ( { postcode, country }: IsPostcodeProps ): boolean => {
// If the country is not in the list of regexes, trying to test it would result in an error, so we skip and assume
// that it is valid.
const postcodeTest = DEFAULT_REGEXES.get( country )?.test( postcode );
return typeof postcodeTest !== 'undefined' ? postcodeTest : true;
};
export default isPostcode;