elecpen

ElecPen

We take logger as a function to receive a record and output to a stream, and elecPen is a simple logger creator.

API

elecPen(writable, prefix, dateFormat)

Param	Description
writable	A writable stream for logging
prefix	The prefix of the record
dateFormat	Date format for logger or pass true to use the default format

Default logger

A set of logger is provided by a default logger creator which provide some useful logger like info or error.

Options

Option	Description
infoFile	File name for logging info and verbose
errFile	File name for logging error and warning
timestamp	Date format for logger or pass true to use the default format
append	If file exists, append new entries to it instead of truncating

Methods

• logger.verbose
• logger.info
• logger.warning
• logger.error

Example

var opts = {
  infoFile: 'info.log',  // record info and verbose
  errFile: 'err.log', // record error and warning
  logToConsole: true,
  timestamp: true, // default to true
  append: true // default to true
};
var http = requrie('http');
var logger = require('logger').createLogger(opts);

http.createServer(function(req, res) {
  logger.info('Recieve a request. Path: %s', req.path);
  res.end('Hello world.');
})
.listen(4000, function() {
  logger.info('Server listening...');
});