xSwitch调试和代理线上代码及h5判断小程序ua【黑马web前端】

var ua = window.navigator.userAgent.toLowerCase() || ''

var cmpBridge = {
    CONSTS: {// haorooms注释：小程序厂商常量
        WECHATAPP: 'WECHATAPP',
        ALIPAYAPP: 'ALIPAYAPP',
        BAIDUAPP: 'BAIDUAPP',
        TOUTIAOAPP: 'TOUTIAOAPP',
        QUICKAPP: 'QUICKAPP'
    },
    isAndroid: function () {
        return ua.indexOf('android') > -1
    },
    isIphone: function(){
        return ua.indexOf('iPhone') > -1
    },
    isWechat: function () {
        return ua.indexOf('micromessenger') > -1
    },
    isAlipay: function () {
        return ua.indexOf('alipayclient') > -1
    },
    isBaidu: function () {
        return ua.indexOf('baiduboxapp') > -1
    },
    isTouTiao: function() {
        return ua.indexOf('toutiaomicroapp') > -1
    },
    isMiniProgram: function () {// haorooms注释：判断小程序主要方法
        try {
            if (cmpBridge.isWechat() && (window.__wxjs_environment === 'miniprogram' || ua.indexOf('miniprogram') > -1)) {
                return cmpBridge.CONSTS.WECHATAPP
            }
            if (cmpBridge.isBaidu() && (window.Bdbox_aiapps_jsbridge || (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.BBAMNPJSBridgeWebViewComponent))) {
                return cmpBridge.CONSTS.BAIDUAPP
            }
            if (cmpBridge.isAlipay()) {
                return cmpBridge.CONSTS.ALIPAYAPP
            }
            if(cmpBridge.isTouTiao()){
                return cmpBridge.CONSTS.TOUTIAOAPP
            }
            if (/(hap|OPPO\/Hybrid)\/\d/i.test(ua)) {
                return cmpBridge.CONSTS.QUICKAPP
            }
        } catch (e) {
            return false
        }
        return false
    }
  }
  module.exports = cmpBridge;