Grunt file usage.js

module.exports = function(grunt) {
  // Project Configuration
  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    less: {
      development: {
        options: {
          paths: ['public/assets/modules'],
          compress: true,
          yuicompress: true,
          optimization: 2,
          banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
        },
        files: {
          'public/assets/css/xx/about.css': 'public/assets/less/about.less',
          'public/assets/css/xx/launch.css': [
            'public/assets/modules/bootstrap.less',
            'public/assets/modules/bootstrap-responsive.less',
            'public/assets/less/index.less'
          ]
        }
      }
    },
    cssmin: {
      add_banner: {
        options: {
          banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
        },
        files: {
          'public/assets/build/<%= pkg.version %>/<%= pkg.name %>.min.css': [
            'public/lib/bootstrap/docs/assets/css/bootstrap.css',
            'public/lib/bootstrap/docs/assets/css/bootstrap-responsive.css',
            'public/assets/css/beta/about.css'
          ]
        }
      }
    },
    uglify: {
      development: {
        options: {
          mangle: false,
          banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
        },
        files: {
          'public/assets/build/<%= pkg.version %>/<%= pkg.name %>.min.js': [
            'public/lib/toastr/toastr.js',
            'public/utils/datepicker/js/bootstrap-datepicker.js',
            'public/js/app.js',
            'public/js/init.js'
          ]
        }
      }
    },
    jade: {
      compile: {
        options: {
          data: {
            debug: false
          }
        },
        files: {
          'public/views/includes/index.html': ['app/views/includes/header.jade', 'app/views/includes/footer.jade'],
          'public/views/includes/header.html': ['app/views/includes/header.jade']
        }
      }
    },
    watch: {
      jade: {
        files: ['app/views/**'],
        options: {
          livereload: true
        }
      },
      js: {
        files: ['public/js/**', 'app/**/*.js'],
        tasks: ['jshint'],
        options: {
          livereload: true
        }
      },
      uglify: {
        files: ['public/js/**', 'app/**/*.js'],
        tasks: ['jshint'],
        options: {
          livereload: true
        }
      },
      html: {
        files: ['public/views/**'],
        options: {
          livereload: true
        }
      },
      css: {
        files: ['public/css/**'],
        options: {
          livereload: true
        }
      },
      styles: {
        files: ['public/assets/**/*.less'],
        tasks: ['less'],
        options: {
          nospawn: true
        }
      }
    },
    jshint: {
      options: {
        jshintrc: '.jshintrc',
        ignores: ['gruntfile.js']
      },
      all: ['public/js/**/*.js', 'test/**/*.js', 'app/**/*.js']
    },
    nodemon: {
      dev: {
        options: {
          file: 'app.js',
          args: [],
          ignoredFiles: ['README.md', 'node_modules/**', '.DS_Store'],
          watchedExtensions: ['js'],
          watchedFolders: ['app', 'config'],
          debug: true,
          delayTime: 1,
          env: {
            PORT: 4000
          },
          cwd: __dirname
        }
      }
    },
    concurrent: {
      tasks: ['nodemon', 'watch', 'less', 'jade', 'uglify','cssmin'],
      options: {
        logConcurrentOutput: true
      }
    },
    mochaTest: {
      options: {
        reporter: 'spec'
      },
      src: ['test/**/*.js']
    },
    bower: {
      install: {
        options: {
          targetDir: './public/lib',
          layout: 'byComponent',
          install: true,
          verbose: true,
          cleanBowerDir: true
        }
      }
    }
  });

  //Load NPM tasks
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-jshint');
  grunt.loadNpmTasks('grunt-mocha-test');
  grunt.loadNpmTasks('grunt-nodemon');
  grunt.loadNpmTasks('grunt-concurrent');
  grunt.loadNpmTasks('grunt-bower-task');
  grunt.loadNpmTasks('grunt-contrib-less');
  grunt.loadNpmTasks('grunt-contrib-jade');
  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-cssmin');

  //Making grunt default to force in order not to break the project.
  grunt.option('force', true);

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

  //Test task.
  grunt.registerTask('test', ['mochaTest']);

  //Bower task.
  grunt.registerTask('install', ['bower']);
};