98 lines
3.7 KiB
TypeScript
98 lines
3.7 KiB
TypeScript
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import { WEBPACK_CHUNK } from './constants';
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let webpackChunk: any[];
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Object.defineProperty(window, WEBPACK_CHUNK, {
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get: () => webpackChunk,
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set: (v) => {
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// There are two possible values for push.
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// - Native push with toString result of function push() { [native code] }
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// - Webpack's push with toString result of function() { [native code] }
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// We don't want to override the native one, so check for "push"
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if (v && !v.push.toString().includes("push")) {
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patchPush();
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// @ts-ignore
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delete window[WEBPACK_CHUNK];
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window[WEBPACK_CHUNK] = v;
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}
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webpackChunk = v;
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},
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configurable: true
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});
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function patchPush() {
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function handlePush(chunk) {
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try {
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const modules = chunk[1];
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const subscriptions = new Set<any>();
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const patches = [] as any[];
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for (const id in modules) {
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let mod = modules[id];
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let code = mod.toString();
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const originalMod = mod;
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const patchedBy = new Set();
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modules[id] = function (module, exports, require) {
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try {
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mod(module, exports, require);
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} catch (err) {
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// Just rethrow discord errors
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if (mod === originalMod) throw err;
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console.error("[Webpack] Error in patched chunk", err);
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return originalMod(module, exports, require);
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}
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for (const [filter, callback] of subscriptions) {
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try {
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if (filter(exports)) {
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subscriptions.delete(filter);
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callback(exports);
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} else if (exports.default && filter(exports.default)) {
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subscriptions.delete(filter);
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callback(exports.default);
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}
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} catch (err) {
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console.error("[Webpack] Error while firing callback for webpack chunk", err);
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}
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}
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};
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for (let i = 0; i < patches.length; i++) {
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const patch = patches[i];
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if (code.includes(patch.find)) {
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patchedBy.add(patch.plugin);
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const lastMod = mod;
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const lastCode = code;
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try {
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const newCode = code.replace(patch.replacement.match, patch.replacement.replace);
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const newMod = (0, eval)(`// Webpack Module ${id} - Patched by ${[...patchedBy].join(", ")}\n${newCode}\n//# sourceURL=WebpackModule${id}`);
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code = newCode;
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mod = newMod;
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patches.splice(i--, 1);
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} catch (err) {
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console.error("[Webpack] Failed to apply patch of", patch.plugin, err);
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code = lastCode;
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mod = lastMod;
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patchedBy.delete(patch.plugin);
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}
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}
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}
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}
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} catch (err) {
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console.error("oopsie", err);
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}
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return handlePush.original.call(window[WEBPACK_CHUNK], chunk);
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}
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handlePush.original = window[WEBPACK_CHUNK].push;
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Object.defineProperty(window[WEBPACK_CHUNK], "push", {
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get: () => handlePush,
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set: (v) => (handlePush.original = v),
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configurable: true
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});
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}
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