caterpillar-human

Human Transform for Caterpillar

Turn your Caterpillar logger stream into a beautiful readable format with colors and optional debug information

Install

Node, Browserify

• Use: require('caterpillar-human')
• Install: npm install --save caterpillar-human

Ender

• Use: require('caterpillar-human')
• Install: ender add caterpillar-human

Usage

Example

// Import
var logger = require('caterpillar').createLogger();
var human = require('caterpillar-human').createHuman();

// Pipe logger output to our human interface, then our human interface output to stdout
logger.pipe(human).pipe(process.stdout);

// Log
logger.log('warn',  'this is the first log entry');
// warn:  this is the first log entry
logger.log('info', 'this is the second log entry');
// info: this is the second log entry

// Wait
setTimeout(function(){
	// Set debug mode
	logger.setConfig({level:7});

	// Log
	logger.log('warn',  'this is the first log entry');
	// warn: this is the first log entry
	//	→ [2013-04-25 20:37:22.692] [/Users/balupton/Projects/caterpillar-human/example.js:20] [null._onTimeout]
	logger.log('info', 'this is the second log entry');
	// info: this is the second log entry
	//	→ [2013-04-25 20:37:22.693] [/Users/balupton/Projects/caterpillar-human/example.js:22] [null._onTimeout]
},0);

Human API, extends caterpillar.Transform, which extends stream.Transform

new (require('caterpillar-human').Human)(config)

• Methods

  • constructor(config?) create our new human instance with the config, config is optional
  • pipe(child) pipe our stream to the child, also sync our config to it
  • setConfig(config) set the configuration and emit the config event
  • getConfig() get the configuration
  • format(entry) format the caterpillar logger entry

• Configuration

  • level number, defaults to null, when set to 7 (debug level) we will debug information with the log entries

  • color boolean, defaults to true, set to false to turn off colors

  • colors objects of the level to color mapping, defaults to:

    {
    	0: 'red',
    	1: 'red',
    	2: 'red',
    	3: 'red',
    	4: 'yellow',
    	5: 'yellow',
    	6: 'green',
    	7: 'green'
    }
    

• Events

  • config(config) emitted once our configuration has updated

History

Discover the change history by heading on over to the History.md file.

Backers

Maintainers

These amazing people are maintaining this project:

• Benjamin Lupton [e-mail] (https://github.com/balupton)

Sponsors

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Contributors

These amazing people have contributed code to this project:

• Benjamin Lupton [e-mail] (https://github.com/balupton) - view contributions

Become a contributor!

License

Licensed under the incredibly permissive MIT license

Copyright © 2012+ Bevry Pty Ltd [e-mail] (http://bevry.me)
Copyright © 2011 Benjamin Lupton [e-mail] (http://balupton.com)