Supply a path to return an object with all that path's JS modules exports as properties / methods of the returned object.

requireFolder.js

var fs       = require( 'fs' );
var path     = require( 'path' );

module.exports = function( folder ){
	var output = {};

	fs.readdirSync( folder )
		.filter( function isJavascript( filename ){
			return '.js' === path.extname( filename );
		} )
		.forEach( function addModuleToOutput( filename ){
			var key = path.basename( filename, path.extname( filename ) );

			output[ key ] = require( folder + filename );
		} );
};