grunt file with path variables

gruntfile.coffee

direction=
	source:'./source/'
	public:'./public/'
path=
	source:
		dir:direction.source
		styles:
			dir:direction.source+'styles/'
			files:'*.sass'
		templates:
			dir:direction.source+'templates/'
			files:'*.jade'
			data:'*.json'
	public:
		dir:direction.public
		pages:'*.html'
		library:
			dir:direction.public+'library/'
			styles:'*.css'
	any:'**/'
module.exports=(grunt) ->
	grunt.initConfig
		pkg:grunt.file.readJSON 'package.json'
		sass:
			compile:
				options:
					sourcemap:true
					require:'rails-sass-images'
					style:'compressed'
					noCache:true
				files:[
					expand:true
					cwd:path.source.styles.dir
					src:path.source.styles.files
					dest:path.public.library.dir
					ext:'.css'
					]
		autoprefixer:
			compile:
				options:
					map:true
				files:[
					expand:true
					flatten:true
					src:path.public.library.styles
					dest:path.public.library.dir
					]
		jade:
			compile:
				options:
					pretty:true
					data:(dest,src) ->
						return require('./source/index.json')
				files:[
					expand:true
					cwd:path.source.templates.dir
					src:path.source.templates.files
					dest:path.public.dir
					ext:'.html'
					]
		newer:
			options:
				override: (detail, include) ->
					if detail.task is 'jade'
						include true
					else
						include false
		watch:
			livereload:
				files: [
					path.public.library.dir+path.public.library.styles
					path.public.dir+path.public.pages
					]
				options:
					livereload: true
			css:
				files:path.source.styles.dir+path.any+path.source.styles.files
				tasks:[
					'sass'
					'autoprefixer'
					]
			html:
				files:[
					path.source.templates.dir+path.any+path.source.templates.files
					path.source.templates.dir+path.any+path.source.templates.data
					]
				tasks:[
					'newer:jade'
					]
	require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks)
	grunt.registerTask 'templates',['jade']
	grunt.registerTask 'styles',['sass']
	grunt.registerTask 'templates:newer',['newer:jade']
	grunt.registerTask 'styles:newer',['newer:sass']
	grunt.registerTask 'default',['watch']
	return

just solved dependency management problem with newer override declaration.