AMD using require and the default parameters

amd_default_parameter.js

/**
 * AMD's define function using ES6 default parameter and require.
 * 
 * With some tweaks of AMD and using an ES6 Browser, this idioms intends to improve readability 
 * and maintainability of modules declared with define()... At least, until browsers implement 
 * ES6 Modules.
 */

define("mymodule", function(
  r = require,
  module1 = r("module1"),
  lib1 = r("lib/lib1"),
  ...
) {
  var MyModule = {};
  // ....
  return MyModule;
});