gruntfile.js

module.exports = function(grunt) {
    var path = require('path');

    require('time-grunt')(grunt);
    require('load-grunt-config')(grunt, {
        // path to task.js files, defaults to grunt dir
        configPath: path.join(process.cwd(), 'build'),

        // auto grunt.initConfig
        init: true,

        // data passed into config.  Can use with <%= test %>
        data: {
            test: false
        },

        // can optionally pass options to load-grunt-tasks.
        // If you set to false, it will disable auto loading tasks.
        loadGruntTasks: {
            pattern: ['grunt-*'],
            config: require('./package.json'),
            scope: 'devDependencies'
        },

        //can post process config object before it gets passed to grunt
        postProcess: function(config) {},

        //allows to manipulate the config object before it gets merged with the data object
        preMerge: function(config, data) {}
    });

};