artesanias/node_modules/underscore/amd/_executeBound.js

define(['./isObject', './_baseCreate'], function (isObject, _baseCreate) {

  // Internal function to execute `sourceFunc` bound to `context` with optional
  // `args`. Determines whether to execute a function as a constructor or as a
  // normal function.
  function executeBound(sourceFunc, boundFunc, context, callingContext, args) {
    if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
    var self = _baseCreate(sourceFunc.prototype);
    var result = sourceFunc.apply(self, args);
    if (isObject(result)) return result;
    return self;
  }

  return executeBound;

});