wrapNativeSuper.js
631422e9a504rights-mgmt

wrapNativeSuper.js
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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;