Loading tasks and task options from individual files (http://www.thomasboyt.com/2013/09/01/maintainable-grunt.html) and loading modules as needed

Gruntfile-split.js

'use strict';

// # Globbing
// for performance reasons we're only matching one level down:
// 'test/spec/{,*/}*.js'
// use this if you want to recursively match all subfolders:
// 'test/spec/**/*.js'

module.exports = function (grunt) {

	var path = require('path');

	// Display task times
	require('time-grunt')(grunt);
	// Load tasks as needed for performance
	require('jit-grunt')(grunt);

	/*========================================
	=            Config variables            =
	========================================*/
	var config = {
	  pkg: grunt.file.readJSON('package.json'),
	  src: 'src',
	  build: 'build',
	  temp: '.tmp',
	  port: 9001,
	  hostname: '0.0.0.0' // enter host ip address + :port into browser address bar for remote livereload
	};

	// Split grunt file into 'tasks' and 'task options' for easier maintenance
	// Source: http://www.thomasboyt.com/2013/09/01/maintainable-grunt.html
	function loadConfig(path) {
		var glob = require('glob'), object = {}, key;
		glob.sync('*', {cwd: path}).forEach(function(option) {
			key = option.replace(/\.js$/,'');
			object[key] = require(path + option);
		});
		return object;
	}

	grunt.util._.extend(config, loadConfig('./tasks/options/'));
	grunt.initConfig(config);

	/*====================================
	=            Task loading            =
	====================================*/
	
	// Use matchdep to load tasks
	// require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks);

	// Load all grunt-* tasks
	// Load all tasks with "pattern: '*'" is producing load module errors
	// require('load-grunt-tasks')(grunt);
	
	// Manually load tasks that don't conform to the grunt-* pattern in 'load-grunt-tasks'
	// grunt.loadNpmTasks('assemble');

	/*=============================
	=            Tasks            =
	=============================*/

	// Auto-load all tasks from files in /tasks directory
	grunt.loadTasks('tasks');
	
};