construct.js

var setPrototypeOf = require("./setPrototypeOf");

var isNativeReflectConstruct = require("./isNativeReflectConstruct");

function _construct(Parent, args, Class) {
  if (isNativeReflectConstruct()) {
    module.exports = _construct = Reflect.construct;
  } else {
    module.exports = _construct = function _construct(Parent, args, Class) {
      var a = [null];
      a.push.apply(a, args);
      var Constructor = Function.bind.apply(Parent, a);
      var instance = new Constructor();
      if (Class) setPrototypeOf(instance, Class.prototype);
      return instance;
    };
  }

  return _construct.apply(null, arguments);
}

module.exports = _construct;