Log.js

/**
 * MIT License
 * 
 * Copyright (c) 2017 Jollen Chen
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 var moment = require('moment');
var chalk = require('chalk');

/**
 * Log utils
 */
var DEFAULT_TAG = 'Flowchain/Hybrid';

var getTimeStamp = function(tag) {
    var ts = moment().toISOString();
    var _ts = ts.split(/[T:\.Z]/); // [ '2018-06-24', '03', '55', '14', '303', '' ]    

    return ('[' + chalk.green(tag + '') + ' ' +
            _ts[1] + ':' +
            _ts[2] + ':' +
             chalk.red(_ts[3]) +
             ']');
}; 
var LOGI = function(tag, msg) {
	if (typeof msg === 'undefined') {
		msg = tag;
		tag = DEFAULT_TAG;
	}
 	console.log(getTimeStamp(tag), msg);
};


module.exports = {
    i: LOGI
};