Future proof against array modules
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@ -42,20 +42,29 @@ const define: Define = (target, p, attributes) => {
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});
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};
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// wreq.m is the Webpack object containing module factories.
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// We wrap it with our proxy, which is responsible for patching the module factories when they are set, or definining getters for the patched versions.
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// If this is the main Webpack, we also set up the internal references to WebpackRequire.
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// wreq.O is the Webpack onChunksLoaded function.
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// It is pretty likely that all important Discord Webpack instances will have this property set,
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// because Discord bundled code is chunked.
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// As of the time of writing, only the main and sentry Webpack instances have this property, and they are the only ones we care about.
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// We use this setter to intercept when wreq.O is defined, and apply the patching in the modules factories (wreq.m).
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// wreq.m is pre-populated with module factories, and is also populated via webpackGlobal.push
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// The sentry module also has their own Webpack with a pre-populated wreq.m, so this also patches the sentry module factories.
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define(Function.prototype, "m", {
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// We wrap wreq.m with our proxy, which is responsible for patching the module factories when they are set, or definining getters for the patched versions.
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// If this is the main Webpack, we also set up the internal references to WebpackRequire.
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define(Function.prototype, "O", {
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enumerable: false,
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set(this: WebpackRequire, moduleFactories: PatchedModuleFactories) {
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// When using React DevTools or other extensions, we may also catch their Webpack here.
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// This ensures we actually got the right ones.
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set(this: WebpackRequire, onChunksLoaded: WebpackRequire["O"]) {
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define(this, "O", { value: onChunksLoaded });
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const { stack } = new Error();
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if (!(stack?.includes("discord.com") || stack?.includes("discordapp.com")) || Array.isArray(moduleFactories)) {
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define(this, "m", { value: moduleFactories });
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if (!stack?.includes("discord.com") && !stack?.includes("discordapp.com")) {
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return;
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}
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if (this.m == null) {
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return;
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}
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@ -81,24 +90,24 @@ define(Function.prototype, "m", {
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// If this is the main Webpack, wreq.m will always be set before the timeout runs.
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const setterTimeout = setTimeout(() => Reflect.deleteProperty(this, "p"), 0);
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define(moduleFactories, Symbol.toStringTag, {
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// Patch the pre-populated factories
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for (const id in this.m) {
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defineModulesFactoryGetter(id, Settings.eagerPatches ? patchFactory(id, this.m[id]) : this.m[id]);
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}
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define(this.m, Symbol.toStringTag, {
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value: "ModuleFactories",
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enumerable: false
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});
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// The proxy responsible for patching the module factories when they are set, or definining getters for the patched versions
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const proxiedModuleFactories = new Proxy(moduleFactories, moduleFactoriesHandler);
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const proxiedModuleFactories = new Proxy(this.m, moduleFactoriesHandler);
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/*
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If Discord ever decides to set module factories using the variable of the modules object directly, instead of wreq.m, switch the proxy to the prototype
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Reflect.setPrototypeOf(moduleFactories, new Proxy(moduleFactories, moduleFactoriesHandler));
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*/
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define(this, "m", { value: proxiedModuleFactories });
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// Patch the pre-populated factories
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for (const id in moduleFactories) {
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defineModulesFactoryGetter(id, Settings.eagerPatches ? patchFactory(id, moduleFactories[id]) : moduleFactories[id]);
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}
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}
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});
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