freealberta/map/app/utils/logger.js

56 lines
1.8 KiB
JavaScript

const winston = require('winston');
const config = require('../config');
// Debug: Check if logger is being created multiple times
const instanceId = Math.random().toString(36).substr(2, 9);
console.log(`[DEBUG] Creating logger instance ${instanceId} at ${new Date().toISOString()}`);
// Ensure we only create one logger instance
if (global.appLogger) {
console.log(`[DEBUG] Reusing existing logger instance`);
module.exports = global.appLogger;
return;
}
const logger = winston.createLogger({
level: config.isProduction ? 'info' : 'debug',
defaultMeta: { service: 'bnkops-map', instanceId },
transports: [
new winston.transports.Console({
format: winston.format.combine(
winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
winston.format.errors({ stack: true }),
winston.format.colorize(),
winston.format.printf(({ timestamp, level, message, service }) => {
return `${timestamp} [${service}] ${level}: ${message}`;
})
)
})
]
});
// Add file transport in production
if (config.isProduction) {
logger.add(new winston.transports.File({
filename: 'error.log',
level: 'error',
format: winston.format.combine(
winston.format.timestamp(),
winston.format.errors({ stack: true }),
winston.format.json()
)
}));
logger.add(new winston.transports.File({
filename: 'combined.log',
format: winston.format.combine(
winston.format.timestamp(),
winston.format.errors({ stack: true }),
winston.format.json()
)
}));
}
// Store logger globally to prevent multiple instances
global.appLogger = logger;
module.exports = logger;