yoanm / async-response-aggregator-server

"use strict";

const winston = require('winston');

const config = require('config');

const path = require('path');

const moment = require('moment');

const loggerConfig = config.logger;

const formatFile = options => {

    return ' [' + options.level.toUpperCase() + ']'

        + '[' + moment(new Date()).format('YYYY-MM-DD HH:mm:ss') + ']'

        + (options.message ? ' ' + options.message : '')

        + (

            options.meta && Object.keys(options.meta).length

                ? ' ' + JSON.stringify(options.meta)

                : ''

        )

    ;

};

const formatConsole = options => {

    return winston.config.colorize(options.level) + ':'

        + (options.message ? ' ' + options.message : '')

        + (

            options.meta && Object.keys(options.meta).length

                ? ' ' + winston.config.colorize('data', JSON.stringify(options.meta))

                : ''

        )

    ;

};

/**

 * @type {winston.Logger} Default logger wrapper for the whole app. Use console output and a log file

 */

module.exports = new winston.Logger({

    transports: [

        new winston.transports.Console({

            level: config.debug === true ? 'debug' : loggerConfig.level,

            name: 'console',

            json: false,

            colorize: true,

            formatter: formatConsole

        }),

        new winston.transports.File({

            name: 'default',

            level: config.debug === true ? 'debug' : loggerConfig.level,

            filename: path.resolve(loggerConfig.path, './server.log'),

            tailable: true,

            json: false,

            formatter: formatFile

        })

    ]

});