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make proxies enumerable (#476)

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Co-authored-by: Ven <vendicated@riseup.net>
This commit is contained in:
Justice Almanzar 2023-02-09 15:21:14 -05:00 committed by GitHub
parent ae98401bd3
commit 6114bc6b16
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1 changed files with 13 additions and 7 deletions
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20
src/utils/proxyLazy.ts
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@ -22,6 +22,9 @@ const unconfigurable = ["arguments", "caller", "prototype"];
const handler: ProxyHandler<any> = {};
const GET_KEY = Symbol.for("vencord.lazy.get");
const CACHED_KEY = Symbol.for("vencord.lazy.cached");
for (const method of [
"apply",
"construct",
@ -38,11 +41,11 @@ for (const method of [
"setPrototypeOf"
]) {
handler[method] =
(target: any, ...args: any[]) => Reflect[method](target.get(), ...args);
(target: any, ...args: any[]) => Reflect[method](target[GET_KEY](), ...args);
}
handler.ownKeys = target => {
const v = target.get();
const v = target[GET_KEY]();
const keys = Reflect.ownKeys(v);
for (const key of unconfigurable) {
if (!keys.includes(key)) keys.push(key);
@ -54,7 +57,10 @@ handler.getOwnPropertyDescriptor = (target, p) => {
if (typeof p === "string" && unconfigurable.includes(p))
return Reflect.getOwnPropertyDescriptor(target, p);
return Reflect.getOwnPropertyDescriptor(target.get(), p);
const descriptor = Reflect.getOwnPropertyDescriptor(target[GET_KEY](), p);
if (descriptor) Object.defineProperty(target, p, descriptor);
return descriptor;
};
/**
@ -67,10 +73,10 @@ handler.getOwnPropertyDescriptor = (target, p) => {
* @example const mod = proxyLazy(() => findByProps("blah")); console.log(mod.blah);
*/
export function proxyLazy<T>(factory: () => T): T {
const proxyDummy: { (): void; cachedValue?: T; get(): T; } = function () { };
proxyDummy.cachedValue = void 0;
proxyDummy.get = () => proxyDummy.cachedValue ??= factory();
const proxyDummy: { (): void; [CACHED_KEY]?: T; [GET_KEY](): T; } = Object.assign(function () { }, {
[CACHED_KEY]: void 0,
[GET_KEY]: () => proxyDummy[CACHED_KEY] ??= factory(),
});
return new Proxy(proxyDummy, handler) as any;
}