Papertrail Winston

logger.js

'use strict';
/* global __base */

let winston = require('winston'),
    path = require('path'),
    utils = require(__base + 'app/helpers/utils'),
    util    = require('util');

//winston logging for papertrail
require('winston-papertrail').Papertrail;

let logger;

// change to correct path for logs directory
let logsPath = path.join(__base, 'logs');

let env = process.env.NODE_ENV || 'development';

if (env === 'production') {
    logger = new winston.Logger({
        transports: [
            new winston.transports.Papertrail({
                host: utils.perfectEnv('PAPERTRAIL_URL', 'logs2.papertrailapp.com'),
                port: utils.perfectEnv('PAPERTRAIL_PORT', 'YOUR_PORT'),
                logFormat: (level, message) => {
                    return '<<<' + level + '>>> ' + message;
                },
                colorize: true
            })
        ]
    });
} else {
    logger = new winston.Logger({
        transports: [
            new (winston.transports.Console)({
                level: 'info',
                colorize: true,
                timestamp: true
            })
        ]
    });
}

logger.add(winston.transports.File, {
    filename: `${logsPath}/${env}_log.log`,
    colorize: true,
    level: 'info',
    timestamp: true
});

console.log = (...args) => logger.info.call(logger, ...args);
console.info = (...args) => logger.info.call(logger, ...args);
console.warn = (...args) => logger.warn.call(logger, ...args);
console.error = (...args) => logger.error.call(logger, ...args);
console.debug = (...args) => logger.debug.call(logger, ...args);

module.exports = logger;

utils.js

'use strict';
/* global __base */

module.exports.perfectEnv = (key, defaultValue) => {
    const value = process.env[key];
    if (value != undefined) {
        return value;
    } else if (defaultValue){
        return defaultValue;
    } else {
        throw new Error(`Missing ${key} ENV var`)
    }
};