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