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- var getPrototypeOf = require("./getPrototypeOf");
-
- var setPrototypeOf = require("./setPrototypeOf");
-
- var isNativeFunction = require("./isNativeFunction");
-
- var construct = require("./construct");
-
- function _wrapNativeSuper(Class) {
- var _cache = typeof Map === "function" ? new Map() : undefined;
-
- module.exports = _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);
- }
-
- module.exports = _wrapNativeSuper;
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