// 是否普通消息 let isNormal = function (type) { return type >= 0 && type < 10; } // 是否状态消息 let isStatus = function (type) { return type >= 10 && type < 20; } // 是否提示消息 let isTip = function (type) { return type >= 20 && type < 30; } // 操作交互类消息 let isAction = function (type) { return type >= 40 && type < 50; } // 单人通话信令 let isRtcPrivate = function (type) { return type >= 100 && type < 200; } // 多人通话信令 let isRtcGroup = function (type) { return type >= 200 && type < 300; } export { isNormal, isStatus, isTip, isAction, isRtcPrivate, isRtcGroup }