Grunfile.js

Gruntfile.js

module.exports = function(grunt) {

    // Project configuration.
    grunt.initConfig({

        pkg: grunt.file.readJSON('package.json'),

        uglify: {
            // options: {
            //   banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
            // },
            // build: {
            //   src: 'public/javascripts/frontend/all.js',
            //   dest: 'public/javascripts/frontend/all.min.js'
            // }


            build: {
              files: {
                'public/javascripts/frontend/all.min.js': ['public/javascripts/frontend/*.js'],
                'public/javascripts/backend/all.min.js': ['public/javascripts/backend/*.js'],
                'public/javascripts/admin/all.min.js': ['public/javascripts/admin/*.js']
              }
            }

        },

        compass: {
            dist: {
                options: {
                    //basePath: 'public',
                    //config: 'html/_/config.rb',  // css_dir = 'dev/css'
                    sassDir: 'public/stylesheets/scss',
                    cssDir: 'public/stylesheets/css',
                    imagesDir: 'public/images',
                    generatedImagesDir: 'public/images',
                    javascriptsDir: 'public/javascripts',
                    fontsDir: 'public/fonts',
                    httpPath: '/',
                    noLineComments: true,
                    outputStyle: 'compressed',
                    force: true,
                    //relativeAssets: false
                }
            }
        },

        /*
        pngmin: {
            compile: {
              options: {
                binary: '/usr/local/bin/pngquant',
                concurrency: 8,
                ext: '.png',
                quality: '70-80',
                speed: 10,
                force: true,
                iebug: true
              },
              files: [
                {
                  src: 'public/images/frontend/*.png',
                  dest: 'public/images/frontend/'
                }
              ]
            }
        },
        */


      imagemin: {
          png: {
            options: {
              optimizationLevel: 7
            },
            files: [
              {                
                expand: true,                
                cwd: 'images/',
                src: ['**/*.png'],
                // Could also match cwd line above. i.e. project-directory/img/
                dest: 'images_optimized/',
                ext: '.png'
              }
            ]
          },
          jpg: {
            options: {
              progressive: true
            },
            files: [
              {
              
                expand: true,              
                cwd: 'images/',
                src: ['**/*.jpg'],                
                dest: 'images_optimized/',
                ext: '.jpg'
              }
            ]
          }
        },

        concat: {

            options: {
              separator: ';'
            },

            frontend_js: {
              src: ['public/javascripts/*.js'],
              dest: 'public/javascripts/frontend.js'
            }
        },

        coffee: {
          compile: {
            options: {
              join: true
            },
            files: {
              'public/javascripts/frontend/all.js': ['public/javascripts/coffeescripts/frontend/*.coffee'], // compile and concat into single file
              'public/javascripts/backend/all.js': ['public/javascripts/coffeescripts/backend/*.coffee'] // compile and concat into single file
            }
          },
        },

        js2coffee: {
          each: {
            options: {},
            files: [{
                expand: true,
                cwd: 'public/javascripts/js2coffee/',
                src: ['**/*.js'],
                dest: 'public/javascripts/coffeescripts',
                ext: '.coffee'
              }]
          }
        },

        watch: {

            coffeescript: {
              files: ['public/javascripts/coffeescripts/**/*.coffee'],
              tasks: ['coffee:compile','uglify'],
              options:{
                nospawn: false
              },
            },

            css: {
                  files: ['public/stylesheets/scss/**/*.scss'],
                  tasks: ['compass:dist'],
                  options: {
                    // Start a live reload server on the default port 35729
                    livereload: false,
                    nospawn: false
                  },
            },

            optimize_png: {
              files: ['public/images/**/*.png'],
              tasks: ['imagemin:png'],
              options: {
                nospawn: false
              }
            },
            
            optimize_jpg: {
              files: ['public/images/**/*.jpg'],
              tasks: ['imagemin:jpg'],
              options: {
                nospawn: false
              }
            },

            // frontend_js:{
            //   files: ['public/javascripts/**/*.js'],
            //   task: ['concat:frontend_js'],
            //   options: {
            //     nospawn: true
            //   }
            // },

        }

    });

    grunt.loadNpmTasks('grunt-contrib-coffee');
    grunt.loadNpmTasks('grunt-js2coffee');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-compass');
    //grunt.loadNpmTasks('grunt-contrib-jade');
    //grunt.loadNpmTasks('grunt-pngmin');
    grunt.loadNpmTasks('grunt-contrib-imagemin');

    grunt.registerTask('default',['compass','coffee']);

};