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.