47 lines
1.9 KiB
TypeScript
47 lines
1.9 KiB
TypeScript
/*
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* Vencord, a modification for Discord's desktop app
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* Copyright (c) 2022 Vendicated and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { makeLazy } from "./misc";
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const ProxyDummy = function () { };
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/**
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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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* @returns Proxy
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*
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* Note that the example below exists already as an api, see {@link lazyWebpack}
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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 lazy = makeLazy(factory);
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return new Proxy(ProxyDummy, {
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get: (_, prop) => lazy()[prop],
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set: (_, prop, value) => lazy()[prop] = value,
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has: (_, prop) => prop in lazy(),
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apply: (_, $this, args) => (lazy() as Function).apply($this, args),
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ownKeys: () => Reflect.ownKeys(lazy() as object),
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construct: (_, args) => Reflect.construct(lazy() as Function, args),
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deleteProperty: (_, prop) => delete lazy()[prop],
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defineProperty: (_, property, attributes) => !!Object.defineProperty(lazy(), property, attributes),
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getPrototypeOf: () => Object.getPrototypeOf(lazy())
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}) as any as T;
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}
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