@lomray/microservice-payment-stripe/helpers/validators/is-last-card-digits-valid.js

Stripe payment microservice based on NodeJS & inverted json.

'use strict';

var classValidator = require('class-validator');

/**
 * Validates card last digits
 */
const IsLastCardDigitsValid = (validationOptions) => (object, propertyName) => {
    classValidator.registerDecorator({
        name: 'isLastCardDigitsValid',
        target: object.constructor,
        propertyName,
        options: validationOptions,
        validator: {
            validate(value) {
                if (typeof value !== 'string') {
                    return false;
                }
                return /^\d{4}$/.test(value);
            },
            defaultMessage(args) {
                return `${args.property} must be a 4-digit number.`;
            },
        },
    });
};

module.exports = IsLastCardDigitsValid;