requirejs.js

module.exports = function(grunt) {

    grunt.loadNpmTasks('grunt-contrib-requirejs');

    var debug = !grunt.option('prod');

    return {
        all: {
            options: {
                locale                  : 'en-us',
                optimize                : debug ? 'none' : 'uglify', 
                optimizeCss             : false,
                useStrict               : false,
                keepBuildDir            : false,
                preserveLicenseComments : false,
                findNestedDependencies  : true,
                logLevel                : 0,
                mainConfigFile          : '<%= src_path %>/js/config.js',
                appDir                  : '<%= src_path %>/',
                dir                     : '<%= build_path %>/',
                baseUrl                 : './js/app',
                fileExclusionRegExp     : /^\.|vendor\//,

                exclude : [
                    'react',
                    'require' // ... and so on ...
                ],

                modules : [],

                uglify: {
                    toplevel        : true,
                    ascii_only      : true,
                    beautify        : false,
                    max_line_length : 1000,
                    no_mangle       : true,
                    defines         : {
                        DEBUG: ['name', 'false']
                    }
                },

                closure: {
                    CompilerOptions  : {},
                    CompilationLevel : 'SIMPLE_OPTIMIZATIONS',
                    loggingLevel     : 'WARNING'
                }
            }
        }
    }
}