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Simple logging using sty
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README.mdown

Styout

A simple wrapper around sty for pretty console logging. You can set the desired verbosity level and customize the output format within a namespace.

Installation

Get node and npm. npm install styout. Done.

Usage

Let's say your project is named MyProject. Then at the top of each of your modules, add

out = (require 'styout').instance 'MyProject'

Then out will be your project's unique styout instance. There are five ways of doing output:

out       'This will always show up'
out.debug 'This will only show up if verbosity is set to DEBUG_VERBOSITY'
out.info  'This will show up if verbosity is set to DEBUG_VERBOSITY or INFO_VERBOSITY'
out.warn  'This will show up if verbosity is anything but ERROR_VERBOSITY'
out.error 'This will always show up, with an attention-grabbing [ERROR] prefix'

All of these use sty.parse internally, so you can use pseudo-HTML, e.g.

out 'Our prices are <b>insane!</b>'

gives you

Our prices are insane!

Setting the verbosity is simple:

out.verbosity = out.DEBUG_VERBOSITY   # default is INFO_VERBOSITY

By default, debug, info and error output is prefixed with [DEBUG], [INFO] and [ERROR]. You can customize these prefixes with

out.defaultPrefix = '`out`:'
out.debugPrefix =   '`out.debug`:'    # defaults to '[<blue>DEBUG</blue>]'
out.infoPrefix =    '`out.info`:'     # defaults to '[<yellow>INFO</yellow>]'
out.warnPrefix =    '`out.warn`:'     # defaults to '[<red>WARNING</red>]'
out.errorPrefix =   '`out.error`:'    # defaults to '[<red>ERROR</red>]'
out.allPrefix =     'This will come before all of the above'

Prefixes can also be a callback; that lets you, for instance, write your own timestamp function. Here's a simple example:

out.allPrefix = -> "#{new Date()}\t"

Copyright and license

Copyright (c) 2011 Trevor Burnham and made available under the MIT License:

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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