magento-test/app/code/Magento/Paypal/view/adminhtml/web/js/solutions.js

/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
define([
    'jquery',
    'uiClass',
    'Magento_Paypal/js/solution',
    'underscore'
], function ($, Class, Solution, _) {
    'use strict';

    return Class.extend({
        defaults: {

            /**
             * Initialized solutions
             */
            solutions: {},

            /**
             * The elements of created solutions
             */
            solutionsElements: {},

            /**
             * The selector element responsible for configuration of payment method (CSS class)
             */
            buttonConfiguration: '.button.action-configure'
        },

        /**
         * Constructor
         *
         * @param {Object} config
         * @returns {exports.initialize}
         */
        initialize: function (config) {
            this.initConfig(config)
                .initSolutions();

            return this;
        },

        /**
         * Initialization and configuration solutions
         *
         * @returns {exports.initSolutions}
         */
        initSolutions: function () {
            _.each(this.config.solutions, this.addSolution, this);
            this.initializeSolutions()
                .wipeButtonsConfiguration();
            _.each(this.solutions, this.applicationRules);

            return this;
        },

        /**
         * The creation and addition of the solution according to the configuration
         *
         * @param {Object} solution
         * @param {String} identifier
         */
        addSolution: function (solution, identifier) {
            this.solutions[identifier] = new Solution({
                config: solution,
                buttonConfiguration: this.buttonConfiguration
            }, identifier);
            this.solutionsElements[identifier] = this.solutions[identifier].$self;
        },

        /**
         * Wiping buttons configuration of the payment method
         */
        wipeButtonsConfiguration: function () {
            $(this.buttonConfiguration).removeClass('disabled')
                .prop('disabled', false);
        },

        /**
         * Application of the rules
         *
         * @param {Object} solution
         */
        applicationRules: function (solution) {
            _.each(solution.afterLoadRules, function (rule) {
                rule.apply();
            });
        },

        /**
         * Initialize solutions
         *
         * @returns {exports.initializeSolutions}
         */
        initializeSolutions: function () {
            _.each(this.solutions, function (solution) {
                solution.setSolutionsElements(this.solutionsElements)
                    .initEvents()
                    .addListeners();
            }, this);

            return this;
        }
    });
});