gistfile1.js

module.exports = function (grunt) {
  'use strict';
  grunt.initConfig({
    connect: {
      server: {
        options: {
          protocol: 'http',
          port: 9001,
          livereload: true,
          keepalive: true
        }
      }
    },
    compass: {
      dist: {
        options: {
          config: 'config.rb',
          trace: true
        }
      }
    },
    copy: {
      js: {
        files: [
          {expand: true, cwd: '_dev/_assets/js/', src: ['**'], dest: 'www/_assets/js/'}
        ]
      },
      html: {
        files: [
          {expand: true, cwd: '_dev/', src: ['*.html'], dest: 'www/'},
          {expand: true, cwd: '_dev/', src: ['**/*.html'], dest: 'www/'}
        ]
      },
      img: {
        files: [
          {expand: true, cwd: '_dev/_assets/img/', src: ['**'], dest: 'www/_assets/img/'}
        ]
      }
    },
    clean: {
      dist: ['www'],
      css: ['www/_assets/css'],
      js: ['www/_assets/js'],
      img: ['www/_assets/img'],
      html: ['www/*.html'],
      sprites: ['www/_assets/img/sprites', 'www/_assets/img/logos']
    },
    // htmlmin: {
    //   dist: {
    //     options: {
    //       removeComments: true,
    //       collapseWhitespace: true
    //       // removeRedundantAttributes: true
    //     },
    //     files: [{
    //       expand: true,
    //       cwd: '_dev/',
    //       src: ['*.html', '**/*.html'],
    //       dest: 'www/'
    //     }]
    //   }
    // },
    imagemin: {
      dynamic: { 
        options: {
            optimizationLevel: 3
        },
        files: [{
          expand: true,
          cwd: '_dev/_assets/img',
          src: ['**/*.{png,jpg,gif}'],
          dest: 'www/_assets/img'
        }]
      }
    },
    watch: {
      css: {
        files: ['_dev/_assets/scss/**', '_dev/_assets/scss/*.scss'],
        tasks: ['clean:css', 'compass'],
        options: {
          livereload: true
        }
      },
      js: {
        files: ['_dev/_assets/js/**', '_dev/_assets/js/*.js'],
        //tasks: ['clean:js', 'uglify', 'copy:js']
        tasks: ['clean:js', 'copy:js'],
        options: {
          livereload: true
        }
      },
      html: {
        files: ['_dev/*.html', '_dev/**/*.html'],
        tasks: ['clean:html', 'copy:html'],
        options: {
          livereload: true
        }
      },
      img: {
        files: ['_dev/_assets/img/**', '_dev/_assets/img/*'],
        tasks: ['clean:img', 'imagemin', 'clean:sprites'],
        options: {
          livereload: true
        }
      }
    }
  });

  // load tasks
  grunt.loadNpmTasks('grunt-contrib-compass');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-copy');
  grunt.loadNpmTasks('grunt-contrib-clean');
  grunt.loadNpmTasks('grunt-contrib-htmlmin');
  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-imagemin');
  grunt.loadNpmTasks('grunt-contrib-connect');


  grunt.registerTask('w', ['watch']);
  // grunt.registerTask('build', ['clean', 'htmlmin', 'imagemin', 'compass', 'uglify', 'copy:js', 'copy:fonts']);
  grunt.registerTask('build', ['clean', 'copy:html', 'compass', 'copy:js', 'copy:img']);
};