blob: 31de4137f0ad53536815461f4f7a112b8c9c0062 (
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'use strict';
const copyProps = (unsafe, safe) => {
for (const key of Reflect.ownKeys(unsafe)) {
if (!Object.getOwnPropertyDescriptor(safe, key)) {
Object.defineProperty(
safe,
key,
Object.getOwnPropertyDescriptor(unsafe, key));
}
}
};
const makeSafe = (unsafe, safe) => {
copyProps(unsafe.prototype, safe.prototype);
copyProps(unsafe, safe);
Object.setPrototypeOf(safe.prototype, null);
Object.freeze(safe.prototype);
Object.freeze(safe);
return safe;
};
exports.SafeMap = makeSafe(Map, class SafeMap extends Map {});
exports.SafeSet = makeSafe(Set, class SafeSet extends Set {});
exports.SafePromise = makeSafe(Promise, class SafePromise extends Promise {});
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