| import getPrototypeOf from "./getPrototypeOf"; |
| import setPrototypeOf from "./setPrototypeOf"; |
| import isNativeFunction from "./isNativeFunction"; |
| import construct from "./construct"; |
| export default function _wrapNativeSuper(Class) { |
| var _cache = typeof Map === "function" ? new Map() : undefined; |
| |
| _wrapNativeSuper = function _wrapNativeSuper(Class) { |
| if (Class === null || !isNativeFunction(Class)) return Class; |
| |
| if (typeof Class !== "function") { |
| throw new TypeError("Super expression must either be null or a function"); |
| } |
| |
| if (typeof _cache !== "undefined") { |
| if (_cache.has(Class)) return _cache.get(Class); |
| |
| _cache.set(Class, Wrapper); |
| } |
| |
| function Wrapper() { |
| return construct(Class, arguments, getPrototypeOf(this).constructor); |
| } |
| |
| Wrapper.prototype = Object.create(Class.prototype, { |
| constructor: { |
| value: Wrapper, |
| enumerable: false, |
| writable: true, |
| configurable: true |
| } |
| }); |
| return setPrototypeOf(Wrapper, Class); |
| }; |
| |
| return _wrapNativeSuper(Class); |
| } |