ProxyLazy: Limit attempts
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1 changed files with 16 additions and 9 deletions
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@ -27,8 +27,8 @@ const unconfigurable = ["arguments", "caller", "prototype"];
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const handler: ProxyHandler<any> = {};
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const GET_KEY = Symbol.for("vencord.lazy.get");
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const CACHED_KEY = Symbol.for("vencord.lazy.cached");
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const kGET = Symbol.for("vencord.lazy.get");
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const kCACHE = Symbol.for("vencord.lazy.cached");
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for (const method of [
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"apply",
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@ -46,11 +46,11 @@ for (const method of [
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"setPrototypeOf"
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]) {
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handler[method] =
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(target: any, ...args: any[]) => Reflect[method](target[GET_KEY](), ...args);
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(target: any, ...args: any[]) => Reflect[method](target[kGET](), ...args);
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}
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handler.ownKeys = target => {
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const v = target[GET_KEY]();
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const v = target[kGET]();
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const keys = Reflect.ownKeys(v);
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for (const key of unconfigurable) {
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if (!keys.includes(key)) keys.push(key);
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@ -62,7 +62,7 @@ handler.getOwnPropertyDescriptor = (target, p) => {
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if (typeof p === "string" && unconfigurable.includes(p))
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return Reflect.getOwnPropertyDescriptor(target, p);
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const descriptor = Reflect.getOwnPropertyDescriptor(target[GET_KEY](), p);
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const descriptor = Reflect.getOwnPropertyDescriptor(target[kGET](), p);
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if (descriptor) Object.defineProperty(target, p, descriptor);
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return descriptor;
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@ -72,15 +72,22 @@ handler.getOwnPropertyDescriptor = (target, p) => {
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* Wraps the result of {@see makeLazy} in a Proxy you can consume as if it wasn't lazy.
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* On first property access, the lazy is evaluated
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* @param factory lazy factory
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* @param attempts how many times to try to evaluate the lazy before giving up
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* @returns Proxy
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*
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* Note that the example below exists already as an api, see {@link findByPropsLazy}
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* @example const mod = proxyLazy(() => findByProps("blah")); console.log(mod.blah);
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*/
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export function proxyLazy<T>(factory: () => T): T {
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const proxyDummy: { (): void;[CACHED_KEY]?: T;[GET_KEY](): T; } = Object.assign(function () { }, {
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[CACHED_KEY]: void 0,
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[GET_KEY]: () => proxyDummy[CACHED_KEY] ??= factory(),
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export function proxyLazy<T>(factory: () => T, attempts = 5): T {
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let tries = 0;
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const proxyDummy = Object.assign(function () { }, {
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[kCACHE]: void 0 as T | undefined,
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[kGET]() {
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if (!proxyDummy[kCACHE] && attempts > tries++) {
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proxyDummy[kCACHE] = factory();
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}
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return proxyDummy[kCACHE];
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}
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});
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return new Proxy(proxyDummy, handler) as any;
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