Sample laravel grunt file

Gruntfile.js

module.exports = function(grunt) {
  // Project configuration.
  grunt.initConfig({
    less: {
      development: {
        options: {
          paths: ["public/assets/less/*.less"]
        }
      }
    },
    coffee: {
      glob_to_multiple: {
      expand: true,
      flatten: true,
      cwd: 'public/assets/coffee',
      src: ['*.coffee'],
      dest: 'public/js',
      ext: '.js',
      tasks: 'coffee'
      }
    },
    watch: {
      js: {
        files: ['public/js/*.js'],
        options: {
          livereload: true,
        }
      },
      sass: {
        files: ['public/assets/sass/*.scss'],
        options: {
          livereload: true,
        }
      },
      less: {
        files: ['public/assets/less/*.less'],
        options: {
          livereload: true,
        },
        tasks: 'less'
      },
      css: {
        files: ['public/css/*.css'],
        options: {
          livereload: true,
        }
      },
      coffee: {
        files: ['public/assets/coffee/*.coffee'],
        tasks: ['coffee']
      },
      html: {
        files: ['app/views/*/*.blade.php'],
        options: {
          livereload: true,
        }
      }
    }
  });

  // Load the plugin that provides the "uglify" task.
  // grunt.loadNpmTasks('grunt-contrib-uglify');

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

  // // Default task(s).
  grunt.registerTask('default', ['watch']);

};