 					uglify:
 						# Let uglifier replace variables to further reduce file size.
 						no_mangle: false
+					useStrict: true
+					wrap:
+						start: '(function(){\'use strict\';'
+						end: '}).call(this);'
 			styles:
 				options:
 					baseUrl: './.temp/styles/'

	# grunt
	grunt.registerTask 'default', [
		'clean:working'
		'coffee:scripts'
		'copy:js'
		'less'

		coffee:
			scripts:
				files: [
					cwd: './.temp/'
					src: 'scripts/**/*.coffee'
					dest: './.temp/'
					expand: true
