循环超出范围，不执行承诺链

在 asyc 函数或调用异步过程的函数中，您必须使用返回承诺或使用回调来捕获错误和数据。

searchOrder.callApiBasedOnSearchBy = function(searchBy,responseObj) {
    var recordsFinalObj = {
        recordsArray: [],
        isOrderList: false
    };
    var finalJson = {};
    var self = this;
    var mapSearchByToApi = {
        'INVOICE_NUMBER': function(responseObj) {
        },
        'ORDER_NUMBER': function(responseObj) {
            // Return a promise instead of trying to return data itself
            return new Promise(function(resolve, reject) { self.orderDetailsModel.set("id",responseObj.id);
                self.orderDetailsModel.fetch({}).then(function(orderDetailsResponse) {
                    var orderDetails = orderDetailsResponse.records[0];
                    if(typeof orderDetails.packet_ids !== 'undefined') {
                        var packet_id = orderDetails.packet_ids[0];
                        self.packetDetailsModel.set("id",packet_id);
                        self.packetDetailsModel.fetch({}).then(function(packetDetailsResponse) {
                            console.log(packetDetailsResponse);
                            finalJson = packetDetailsResponse.records[0];
                            finalJson.order_items = orderDetails.order_items;
                            console.log(finalJson);
                            return resolve(finalJson); // resolve ur data
                        }, function(error) {
                            console.log("Error in Order Item:"+error);
                            reject(error);
                        });
                    }
                }, function(error) {
                    console.log("Error in Order:"+error);
                });
            });
        },
        'AWB_NUMBER': function(responseObj) {
        },
        'CHANNEL_ORDER_ID': function(responseObj) {
        }
    };
    if(mapSearchByToApi[searchBy]) {
        // Have to return a promise
        return new Promise(function(resolve, reject) {
            mapSearchByToApi[searchBy](responseObj)
                .then(function(finalJson) {
                    recordsFinalObj.recordsObj = finalJson;
                    resolve(recordsFinalObj);
                })
                .catch(function(err){
                    reject(err);
                }) ;
        });
    }
};