plutoapi-v2/src/middleware/logger.ts

import * as appRoot from 'app-root-path';
import * as winston from 'winston';

const options = {
    file_info: {
        level: 'info',
        filename: `${appRoot}/logs/app.log`,
        handleExceptions: true,
        json: true,
        maxsize: 5242880, // 5MB
        maxFiles: 5,
        colorize: false
    },
    file_error: {
        level: 'error',
        filename: `${appRoot}/logs/error.log`,
        handleExceptions: true,
        json: true,
        maxsize: 5242880, // 5MB
        maxFiles: 5,
        colorize: false
    },
    file_debug: {
        level: 'debug',
        filename: `${appRoot}/logs/debug.log`,
        handleExceptions: true,
        json: true,
        maxsize: 5242880, // 5MB
        maxFiles: 5,
        colorize: false
    },
    console: {
        level: 'debug',
        handleExceptions: true,
        json: false,
        colorize: true
    }
};
const logger: winston.Logger = winston.createLogger({
    format: winston.format.combine(
        winston.format.timestamp(),
        winston.format.json()
    ),
    transports: [
        new winston.transports.File(options.file_info),
        new winston.transports.File(options.file_error),
        new winston.transports.File(options.file_debug),
        new winston.transports.Console(options.console)
    ],
    exitOnError: false // do not exit on handled exceptions
});
export default logger;