index.js

'use strict';

var Promise = require('bluebird');
var Validator = require('jsonschema').Validator;

function validate(doc, schema, options) {
    return new Promise(function (resolve, reject) {
        options = options || {};
        options.throwError = false;

        try {
            var obj = doc;

            if (typeof doc === 'string' || doc instanceof String) {
                obj = JSON.parse(doc);
            }

            var v = new Validator();
            v.customFormats.payloadFormat = function (input) {
                return input.cards;
            };

            var result = v.validate(obj, schema, options);

            if (result.valid) {
                resolve(obj);
            } else {
                reject(result.errors);
            }
        } catch (err) {
            reject([{ // eslint-disable-line prefer-promise-reject-errors
                property: options.propertyName ? options.propertyName : 'instance',
                message: err.message
            }]);
        }
    });
}

module.exports = {
    Card: function (str, options) {
        return validate(str, require('./lib/card-schema'), options);
    },
    DiscoveryResponse: function (str, options) {
        return validate(str, require('./lib/discovery-response-schema'), options);
    },
    ServiceRequest: function (str, options) {
        return validate(str, require('./lib/service-request-schema.js'), options);
    }
};