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author | Ven <vendicated@riseup.net> | 2022-10-01 02:27:28 +0200 |
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committer | GitHub <noreply@github.com> | 2022-10-01 02:27:28 +0200 |
commit | ef353f1d66dbf1d14e528830d267aac518ed1beb (patch) | |
tree | 67d13f5ce3cf42150884376c5f8d9b98f7300b38 /src/utils/patchWebpack.ts | |
parent | 3e64054283acbbe2697c9fc583bba7a06e1003b2 (diff) | |
download | Vencord-ef353f1d66dbf1d14e528830d267aac518ed1beb.tar.gz Vencord-ef353f1d66dbf1d14e528830d267aac518ed1beb.tar.bz2 Vencord-ef353f1d66dbf1d14e528830d267aac518ed1beb.zip |
Better authors field (#18)
Diffstat (limited to 'src/utils/patchWebpack.ts')
-rw-r--r-- | src/utils/patchWebpack.ts | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/src/utils/patchWebpack.ts b/src/utils/patchWebpack.ts deleted file mode 100644 index 0508968..0000000 --- a/src/utils/patchWebpack.ts +++ /dev/null @@ -1,148 +0,0 @@ -import { WEBPACK_CHUNK } from './constants'; -import Logger from "./logger"; -import { _initWebpack } from "../webpack"; - -let webpackChunk: any[]; - -const logger = new Logger("WebpackInterceptor", "#8caaee"); - -Object.defineProperty(window, WEBPACK_CHUNK, { - get: () => webpackChunk, - set: (v) => { - if (v?.push !== Array.prototype.push) { - logger.info(`Patching ${WEBPACK_CHUNK}.push`); - _initWebpack(v); - patchPush(); - // @ts-ignore - delete window[WEBPACK_CHUNK]; - window[WEBPACK_CHUNK] = v; - } - webpackChunk = v; - }, - configurable: true -}); - -function patchPush() { - function handlePush(chunk) { - try { - const modules = chunk[1]; - const { subscriptions, listeners } = Vencord.Webpack; - const { patches } = Vencord.Plugins; - - for (const id in modules) { - let mod = modules[id]; - // Discords Webpack chunks for some ungodly reason contain random - // newlines. Cyn recommended this workaround and it seems to work fine, - // however this could potentially break code, so if anything goes weird, - // this is probably why. - // Additionally, `[actual newline]` is one less char than "\n", so if Discord - // ever targets newer browsers, the minifier could potentially use this trick and - // cause issues. - let code = mod.toString().replaceAll("\n", ""); - const originalMod = mod; - const patchedBy = new Set(); - - modules[id] = function (module, exports, require) { - try { - mod(module, exports, require); - } catch (err) { - // Just rethrow discord errors - if (mod === originalMod) throw err; - - logger.error("Error in patched chunk", err); - return originalMod(module, exports, require); - } - - // There are (at the time of writing) 11 modules exporting the window - // Make these non enumerable to improve webpack search performance - if (module.exports === window) { - Object.defineProperty(require.c, id, { - value: require.c[id], - enumerable: false, - configurable: true, - writable: true - }); - return; - } - - for (const callback of listeners) { - try { - callback(exports); - } catch (err) { - logger.error("Error in webpack listener", err); - } - } - for (const [filter, callback] of subscriptions) { - try { - if (filter(exports)) { - subscriptions.delete(filter); - callback(exports); - } else if (typeof exports === "object") { - if (exports.default && filter(exports.default)) { - subscriptions.delete(filter); - callback(exports.default); - } - - for (const nested in exports) if (nested.length < 3) { - if (exports[nested] && filter(exports[nested])) { - subscriptions.delete(filter); - callback(exports[nested]); - } - } - } - } catch (err) { - logger.error("Error while firing callback for webpack chunk", err); - } - } - }; - modules[id].toString = () => mod.toString(); - modules[id].original = originalMod; - - for (let i = 0; i < patches.length; i++) { - const patch = patches[i]; - if (code.includes(patch.find)) { - patchedBy.add(patch.plugin); - // @ts-ignore we change all patch.replacement to array in plugins/index - for (const replacement of patch.replacement) { - const lastMod = mod; - const lastCode = code; - try { - const newCode = code.replace(replacement.match, replacement.replace); - if (newCode === code) { - logger.warn(`Patch by ${patch.plugin} had no effect: ${replacement.match}`); - logger.debug("Function Source:\n", code); - } else { - code = newCode; - mod = (0, eval)(`// Webpack Module ${id} - Patched by ${[...patchedBy].join(", ")}\n${newCode}\n//# sourceURL=WebpackModule${id}`); - } - } catch (err) { - // TODO - More meaningful errors. This probably means moving away from string.replace - // in favour of manual matching. Then cut out the context and log some sort of - // diff - logger.error("Failed to apply patch of", patch.plugin, err); - logger.debug("Original Source\n", lastCode); - logger.debug("Patched Source\n", code); - code = lastCode; - mod = lastMod; - patchedBy.delete(patch.plugin); - } - } - patches.splice(i--, 1); - } - } - } - } catch (err) { - logger.error("oopsie", err); - } - - return handlePush.original.call(window[WEBPACK_CHUNK], chunk); - } - - handlePush.original = window[WEBPACK_CHUNK].push; - Object.defineProperty(window[WEBPACK_CHUNK], "push", { - get: () => handlePush, - set: (v) => (handlePush.original = v), - configurable: true - }); -} - |