masterpass/index.js

"use strict";
/** @module braintree-web/masterpass
 * @description Processes Masterpass. *This component is currently in beta and is subject to change.*
 */

var BraintreeError = require("../lib/braintree-error");
var basicComponentVerification = require("../lib/basic-component-verification");
var browserDetection = require("./shared/browser-detection");
var Masterpass = require("./external/masterpass");
var createDeferredClient = require("../lib/create-deferred-client");
var createAssetsUrl = require("../lib/create-assets-url");
var VERSION = process.env.npm_package_version;
var errors = require("./shared/errors");
var wrapPromise = require("@braintree/wrap-promise");

/**
 * @static
 * @function create
 * @param {object} options Creation options:
 * @param {Client} [options.client] A {@link Client} instance.
 * @param {string} [options.authorization] A tokenizationKey or clientToken. Can be used in place of `options.client`.
 * @param {callback} [callback] The second argument, `data`, is the {@link Masterpass} instance. If no callback is passed in, the create function returns a promise that resolves the {@link Masterpass} instance.
 * @example
 * braintree.masterpass.create({
 *   client: clientInstance
 * }, function (createErr, masterpassInstance) {
 *   if (createErr) {
 *     if (createErr.code === 'MASTERPASS_BROWSER_NOT_SUPPORTED') {
 *       console.error('This browser is not supported.');
 *     } else {
 *       console.error('Error!', createErr);
 *     }
 *     return;
 *   }
 * });
 * @returns {(Promise|void)} Returns a promise if no callback is provided.
 */
function create(options) {
  var name = "Masterpass";

  return basicComponentVerification
    .verify({
      name: name,
      client: options.client,
      authorization: options.authorization,
    })
    .then(function () {
      if (!isSupported()) {
        return Promise.reject(
          new BraintreeError(errors.MASTERPASS_BROWSER_NOT_SUPPORTED)
        );
      }

      return Promise.resolve();
    })
    .then(function () {
      return createDeferredClient.create({
        authorization: options.authorization,
        client: options.client,
        debug: options.debug,
        assetsUrl: createAssetsUrl.create(options.authorization),
        name: name,
      });
    })
    .then(function (client) {
      var masterpassInstance, configuration;

      options.client = client;
      configuration = options.client.getConfiguration().gatewayConfiguration;

      if (!configuration.masterpass) {
        return Promise.reject(
          new BraintreeError(errors.MASTERPASS_NOT_ENABLED)
        );
      }

      masterpassInstance = new Masterpass(options);

      return masterpassInstance._initialize();
    });
}

/**
 * @static
 * @function isSupported
 * @description Returns true if Masterpass supports this browser.
 * @example
 * if (braintree.masterpass.isSupported()) {
 *   // Add Masterpass button to the page
 * } else {
 *   // Hide Masterpass payment option
 * }
 * @returns {Boolean} Returns true if Masterpass supports this browser.
 */
function isSupported() {
  return Boolean(window.popupBridge || browserDetection.supportsPopups());
}

module.exports = {
  create: wrapPromise(create),
  isSupported: isSupported,
  /**
   * @description The current version of the SDK, i.e. `{@pkg version}`.
   * @type {string}
   */
  VERSION: VERSION,
};