added support for styles

.jshintrc

@@ -3,8 +3,8 @@
   "esnext": true,
   "bitwise": true,
   "camelcase": true,
-  "curly": false,
-  "eqeqeq": false,
+  "curly": true,
+  "eqeqeq": true,
   "immed": true,
   "indent": 2,
   "latedef": true,

lib/Acho.coffee

@@ -1,14 +1,15 @@
 'use strict'
 
-chalk = require 'chalk'
 DEFAULT = require './default'
+chalk   = DEFAULT.chalk()
 
 module.exports = class Acho
   constructor: (options = {}) ->
     @color = if options.color? then options.color else DEFAULT.COLOR
     @level = if options.level? then options.level else DEFAULT.LEVEL
     @types = if options.types? then options.types else DEFAULT.TYPES
     @print = if options.print? then options.print else DEFAULT.PRINT
+    @muted = if options.muted? then options.muted else DEFAULT.MUTED
     if options.messages?
       @messages = options.messages
     else
@@ -58,25 +59,21 @@ module.exports = class Acho
     this
 
   isPrintable: (type) ->
-    return false if @level is 'silent'
+    return false if @level is @muted
     @types[type].level <= @types[@level].level
 
-  colorize: (color, message) ->
+  colorize: (colors, message) ->
     return message unless @color
-    return chalk[color](message) unless color is 'rainbow'
-    # rainbow is the core of this library
-    rainbowColors = ['red', 'yellow', 'green', 'blue', 'magenta']
-    message = message.split('')
-    for char, position in message
-      color = rainbowColors[position % rainbowColors.length]
-      message[position] = chalk[color](char)
-    message.join('')
+    colors  = colors.split ' '
+    stylize = chalk
+    stylize = stylize[color] for color in colors when color
+    stylize message
 
   printLine: (type, message) ->
     return unless @isPrintable type
-    colorType = @types[type].color
+    colorType   = @types[type].color
     messageType = @outputType type
     messageType = @colorize colorType, messageType
-    message = @outputMessage message
-    message = @colorize 'gray', message
-    console.log messageType + message
+    message     = @outputMessage message
+    message     = @colorize @types.line.color, message
+    console.log "#{messageType} #{message}"

lib/default.coffee

@@ -1,14 +1,28 @@
 'use strict'
 
 module.exports =
+  chalk: ->
+    chalk = require 'chalk'
+    chalk.rainbow = (text) ->
+      text = text.split('')
+      rainbowColors = ['red', 'yellow', 'green', 'blue', 'magenta']
+      colorize = ''
+      for letter, position in text
+        color = rainbowColors[position % rainbowColors.length]
+        colorize += chalk.styles[color].open + letter + chalk.styles[color].close
+      colorize
+    chalk
   OUTPUT_TYPE: (type) -> "#{type}\t: "
   OUTPUT_MESSAGE: (message) -> message
   PRINT: ->
     for type of @types
       @printLine(type, message) for message in @messages[type]
   LEVEL: 'info'
   COLOR: false
+  MUTED: 'silent'
   TYPES:
+    line:
+      color: 'gray'
     error:
       level : 0
       color : 'red'

test/test.coffee

@@ -23,6 +23,10 @@ describe 'Acho ::', ->
   it 'print a normal message', ->
     @acho.warning 'warning message'
 
+  it 'change the color behavior',  ->
+    @acho.types.error.color = 'red bold'
+    @acho.print()
+
   it 'print the messages', ->
     @acho.print()