		const { createLogger, format, transports } = require('winston');

		// Create a logger for error logs
		const errorLogger = createLogger({
		format: format.combine(
		format.timestamp(),
		format.printf(info => {
		let logMessage = `${info.timestamp} [${info.level.toUpperCase()}] - ${info.message}`;
		if(info && info.response && info.response.config && info.response.config.url) {
		logMessage += ` - Request URL : ${info.response.config.url}`;
		}
		if (info && info.response && info.response.config && info.response.config.headers) {
		logMessage += ` - Request Headers : ${JSON.stringify(info.response.config.headers)}`;
		}
		if (info && info.response && info.response.config && info.response.config.data) {
		logMessage += ` - Request Data : ${JSON.stringify(info.response.config.data)}`;
		}

		if (info && info.response && info.response.data) {
		logMessage += ` - Response Data : ${JSON.stringify(info.response.data)}`;
		}else{
		logMessage += ` - Response Data : ${info.response}`;
		}
		return logMessage;
		})
		),
		transports: [
		new transports.File({ filename: 'error.log', level: 'error' })
		]
		});


		module.exports = {
		errorLogger
		}

+12

-4

lib/smartapi-connect.js

		@@ -9,3 +9,3 @@ 'use strict';
		let { API } = require('../config/api');

		const { errorLogger } = require('./winston_log');
		/**
		@@ -103,9 +103,11 @@ * @constructor
		// }

		errorLogger.error({ message : "Error on response data",clientId : self.client_code,response : response})
		return response?.data;
		}
		} else {
		errorLogger.error({ message : "Error if status not 200",clientId : self.client_code,response : response})
		return response?.data;
		}
		} catch (error) {
		errorLogger.error({ message : "Error on catch block",clientId : self.client_code,response : error})
		return [];
		@@ -121,10 +123,16 @@ }
		errorObj.message = error?.response?.statusText;
		} else {
		errorLogger.error({ message : "Error Response in if block",clientId : self.client_code,response : error.response})
		}
		else if(error){
		errorLogger.error({ message : "Error Response in else if block",clientId : self.client_code,response : error})
		}
		else {
		errorObj.status = 500;
		errorObj.message = 'Error';
		errorLogger.error({ message : "Error Response in else if block",clientId : self.client_code,response : error.response})
		}
		return errorObj;

		// return Promise.reject(errorObj);
		} catch (error) {
		errorLogger.error({ message : "Error catch block",clientId : self.client_code,response : error})
		return [];
		@@ -131,0 +139,0 @@ }

+2

-1

package.json

+3

-0

README.md

		@@ -240,1 +240,4 @@ # SmartAPI Javascript Client SDK
		```
		## Version 1.0.21 (07-03-24)
		- Added error logs using winston
		- It will create Error file if not created early , will capture error logs in the same file.

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