nodelogger

NodeLogger.js

Log Library for Node.js

Overview

This library enables the followings in Node.js Application.

• Show log message on console
• Record log
• Send emergency mail

Usage

It is required that Nodemailer is installed.

$ npm install nodemailer

and,

$ echo "export NODE_PATH='/usr/local/lib/node_modules/'" >> ~/.bashrc

Constructor

var NodeLogger = require('./NodeLogger.js');

// Log file path
var log = 'error.log';

// for sending mail
var settings = {
    service : 'Gmail',
    auth    : {
        user : '[e-mail]',
        pass : 'xxxxxx',
        port : 25
    }
};

// Create the instance of NodeLogger
var nodeLogger = new NodeLogger(log, settings);

In the case of not sending mail,

var NodeLogger = require('./NodeLogger.js');

// Log file path
var log = 'error.log';

// Create the instance of NodeLogger
var nodeLogger = new NodeLogger(log);

API

Show log message on console

In the case of showing log message on console.

var message = 'showLog';  // Log message
var lineNo  = 22;         // Line number
var method  = 'error';    // This method is console object

nodeLogger.showLog(message, lineNo, method);

Record log

In the case of recording log message in log file.

var message = 'showLog';  // Log message
var lineNo  = 23;         // Line number

nodeLogger.appendLog(message, lineNo);

Send emergency mail

In the case of sending emergency mail.
Please refer to Nodemailer for details.

var options = {
    to      : '[e-mail]',
    subject : 'NodeLogger TEST',
    html    : 'sendMail',
    from    : 'node-ninja'
};

// This callback is executed when sending mail is successful.
var successCallback = function(result) {
    console.dir(result);
};

// This callback is executed when sending mail failed.
var errorCallback = function(result, error) {
    console.dir(result);
    console.dir(error);
};

nodeLogger.sendMail(options, successCallback, errorCallback);