ce4c83ff
 wxy
初始提交
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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);
}
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