card-validator/dist/postal-code.js

A library for validating credit card fields

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.postalCode = postalCode;
var DEFAULT_MIN_POSTAL_CODE_LENGTH = 2;
var ALPHANUM = new RegExp(/^[a-z0-9]+$/i);
function verification(isValid, isPotentiallyValid) {
    return { isValid: isValid, isPotentiallyValid: isPotentiallyValid };
}
function postalCode(value, options) {
    if (options === void 0) { options = {}; }
    var minLength = options.minLength || DEFAULT_MIN_POSTAL_CODE_LENGTH;
    if (typeof value !== "string") {
        return verification(false, false);
    }
    else if (value.length < minLength) {
        return verification(false, true);
    }
    else if (!ALPHANUM.test(value.trim().slice(0, minLength))) {
        return verification(false, true);
    }
    return verification(true, true);
}