box-client/assets/script/platform/web-default/WebMiddleMgr.js

/* eslint-disable camelcase */

let MiddleMgr = require('MiddleMgr');
cc.Class({
    extends: MiddleMgr,

    init () {
        G.MiddleDevice = new (require('WebMiddleDevice'))();
        G.MiddleAuth = new (require('WebMiddleAuth'))();
        G.MiddlePay = new (require('WebMiddlePay'))();
        G.MiddleUpdate = new (require('WebMiddleUpdate'))();
    }
});