ANSI styling — node.js

example.coffee

terminal = require('terminal')

console.log terminal.ANSIFormat("{{magenta}}Hello {{blue}}World!{{reset}}")
console.log terminal.ANSIStyle('red;inverse') + "ERROR:" + terminal.ANSIStyle('default;noinverse') + " method not found"

terminal.coffee

(->
	
	mustache = require('mustache')
	
	reset = 0
	
	colors = {
		'black'  :0
		'red'    :1
		'green'  :2
		'yellow' :3
		'blue'   :4
		'magenta':5
		'cyan'   :6
		'white'  :7
		'default':9
	}
	
	bold = bright = {
		'on' :1
		'off':22
	}
	
	italics = {
		'on' :3
		'off':23
	}
	
	underline = {
		'on' :4
		'off':24
	}
	
	inverse = {
		'on' :7
		'off':27
	}
	
	strikethrough = {
		'on' :9
		'off':29
	}
	
	foreground = (color) -> "3#{color}"
	
	background = (color) -> "4#{color}"
	
	makeANSI = (code) ->
		return '\033[' + code + 'm'
	
	mustacheEnvironment = {
		'reset'          :makeANSI(reset)
		
		'bold'           :makeANSI(bold.on)
		'nobold'         :makeANSI(bold.off)
		
		'bright'         :makeANSI(bright.on)
		'nobright'       :makeANSI(bright.off)
		
		'italics'        :makeANSI(italics.on)
		'noitalics'      :makeANSI(italics.off)
		
		'underline'      :makeANSI(underline.on)
		'nounderline'    :makeANSI(underline.off)
		
		'inverse'        :makeANSI(inverse.on)
		'noinverse'      :makeANSI(inverse.off)
		
		'strikethrough'  :makeANSI(strikethrough.on)
		'nostrikethrough':makeANSI(strikethrough.off)
		
		'black'          :makeANSI(foreground(colors.black))
		'red'            :makeANSI(foreground(colors.red))
		'green'          :makeANSI(foreground(colors.green))
		'yellow'         :makeANSI(foreground(colors.yellow))
		'blue'           :makeANSI(foreground(colors.blue))
		'magenta'        :makeANSI(foreground(colors.magenta))
		'cyan'           :makeANSI(foreground(colors.cyan))
		'white'          :makeANSI(foreground(colors.white))
		'default'        :makeANSI(foreground(colors.default))
		
		'bgblack'        :makeANSI(background(colors.black))
		'bgred'          :makeANSI(background(colors.red))
		'bggreen'        :makeANSI(background(colors.green))
		'bgyellow'       :makeANSI(background(colors.yellow))
		'bgblue'         :makeANSI(background(colors.blue))
		'bgmagenta'      :makeANSI(background(colors.magenta))
		'bgcyan'         :makeANSI(background(colors.cyan))
		'bgwhite'        :makeANSI(background(colors.white))
		'bgdefault'      :makeANSI(background(colors.default))
		
		'ANSI': ->
			return (code) ->
				return makeANSI(code)
	}
	
	exports.ANSIStyle = (styles) ->
		separators = /[;,]/
		if separators.test(styles)
			result = ''
			for style in styles.split(separators)
				result += exports.ANSIStyle(style)
			return result
		else
			return mustacheEnvironment[styles] || null
	
	exports.ANSIFormat = (text) ->
		mustache.to_html(text, mustacheEnvironment)
	
)()