cap-logger

Logger

A Syslog based on the standard RFC 5424.

Syslog Message Severities

Numerical Code	Severity
0	Emergency: system is unusable
1	Alert: action must be taken immediately
2	Critical: critical conditions
3	Error: error conditions
4	Warning: warning conditions
5	Notice: normal but significant condition
6	Informational: informational messages
7	Debug: debug-level messages

Additional Codes

Numerical Code	Severity
-2	Hidden: hidden all messages that using this logger.
-1	None: is undefined

Installation

With npm install:

npm install --save cap-logger

Yout first Log

let log = require("cap-logger");
 
log("Debug Consol.");
log.warn("The Consol has log.");

[2015/5/20 12:00:10] DEBUG: Debug Consol.
[2015/5/20 12:00:10] WARNING: The Consol has log.

Yout first Logger

let logger = require("cap-logger");
 
var log = new logger({
    prefix: function () {
        return ">>> " + (new Date()).toISOString() + " ::";
    },
});
 
log.log("Debug Consol.");
log.warn("The Consol has log.");

>>> 2015-5-20T13:00:11.093Z :: DEBUG: Debug Consol.
>>> 2015-5-20T13:00:11.099Z :: WARNING: The Consol has log.

Logs level

The Logs Level are a indicator to show depending the level defined en los loggers.

• logger.log()
• logger.emergency() abbreviated logger.emerg()
• logger.alert()
• logger.critical() abbreviated logger.crit()
• logger.error() abbreviated logger.err()
• logger.warning() abbreviated logger.warn()
• logger.notice()
• logger.informational() abbreviated logger.info()
• logger.debug() abbreviated logger.deb()

Example:

// app.js
let logger = require("cap-logger");
 
var log = new logger({
    prefix: function () {
        return ">>> " + (new Date()).toISOString() + " ::";
    },
});
 
log.log("Debug Consol.");
log.warn("The Consol has log.");

$ DEBUG=alert npm start
 
>>> 2015-5-20T13:00:11.093Z :: DEBUG: Debug Consol.

$ DEBUG=warning npm start
 
>>> 2015-5-20T13:00:11.093Z :: DEBUG: Debug Consol.
>>> 2015-5-20T13:00:11.099Z :: WARNING: The Consol has log.