grunt_bower.js

//------------------------------------------------
//
// Gruntfile.js
//
//------------------------------------------------

require('load-grunt-tasks')(grunt);

grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    // Setup tasks
    bower_concat:   require('./tasks/bower-concat')(paths),

  })



//------------------------------------------------
//
// bower-concat.js
//
//------------------------------------------------

// @ref : https://github.com/sapegin/grunt-bower-concat
module.exports = function (paths) {
    //'use strict';
    // if the specification is written in bower.json, you don't have to write it here again.
    return {
        all: {
            dest: 'build/lib/_bower.js',
            // cssDest: 'build/_bower.css',
            exclude: [
              'jquery',
              'fontawesome',
              'react',
            ],
            dependencies: { // order
              'underscore': ['jquery'],   // underscore needs jquery,
              'jquery-toast-plugin': ['jquery'],   // toast-plugin needs jquery,
            },
            bowerOptions: {
              relative: false
            },
            mainFiles: {  // without this, bower-concat use the files in "bower.json main"
              'jquery-prettyPhoto': 'js/jquery.prettyPhoto.js',
              'owlcarousel': [
                'owl-carousel/owl.transitions.css',
                'owl-carousel/owl.carousel.css',
                'owl-carousel/owl.carousel.js',
              ],
              'datatables': [
                "media/js/jquery.dataTables.js", 
                "media/js/dataTables.bootstrap.js"
              ]
            }
        }    
    };
}