Basic grunt

Gruntfile.js

module.exports =  function (grunt) {

	grunt.initConfig({

		watch: {
			less: {
				files: ['www/css/less/*.less'],
				tasks: ['less', 'notify:less']
			}
		},

		less: {
			dist: {
				options: {
					paths: ['www/css', 'www/css/less']
				},
				files: {
					'www/css/main.css': 'www/css/less/main.less'
				}
			}
		},

		notify: {
			less: {
				options: {
					message: 'LESS files compiled'
				}
			},
		}

});


grunt.loadNpmTasks('grunt-contrib-watch');
grunt.loadNpmTasks('grunt-contrib-less');
grunt.loadNpmTasks('grunt-notify');


grunt.registerTask('default', ['watch']);
grunt.registerTask('watch-less', ['watch:less']);

};