Improve webpack performance (~ 80ms -> 15ms)
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0677df7818
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@ -53,6 +53,18 @@ function patchPush() {
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return originalMod(module, exports, require);
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return originalMod(module, exports, require);
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}
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}
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// There are (at the time of writing) 11 modules exporting the window
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// Make these non enumerable to improve webpack search performance
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if (module.exports === window) {
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Object.defineProperty(require.c, id, {
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value: require.c[id],
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enumerable: false,
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configurable: true,
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writable: true
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});
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return;
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}
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for (const callback of listeners) {
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for (const callback of listeners) {
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try {
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try {
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callback(exports);
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callback(exports);
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@ -65,12 +77,19 @@ function patchPush() {
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if (filter(exports)) {
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if (filter(exports)) {
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subscriptions.delete(filter);
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subscriptions.delete(filter);
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callback(exports);
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callback(exports);
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} else for (const nested in exports) {
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} else if (typeof exports === "object") {
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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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for (const nested in exports) if (nested.length < 3) {
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if (exports[nested] && filter(exports[nested])) {
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if (exports[nested] && filter(exports[nested])) {
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subscriptions.delete(filter);
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subscriptions.delete(filter);
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callback(exports[nested]);
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callback(exports[nested]);
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}
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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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} catch (err) {
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logger.error("Error while firing callback for webpack chunk", err);
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logger.error("Error while firing callback for webpack chunk", err);
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}
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}
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@ -44,9 +44,15 @@ export function find(filter: FilterFn, getDefault = true) {
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if (filter(mod.exports))
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if (filter(mod.exports))
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return mod.exports;
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return mod.exports;
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if (typeof mod.exports !== "object") continue;
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if (mod.exports.default && filter(mod.exports.default))
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if (mod.exports.default && filter(mod.exports.default))
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return getDefault ? mod.exports.default : mod.exports;
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return getDefault ? mod.exports.default : mod.exports;
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for (const nestedMod in mod.exports) {
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// is 3 is the longest obfuscated export?
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// the length check makes search about 20% faster
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for (const nestedMod in mod.exports) if (nestedMod.length < 3) {
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const nested = mod.exports[nestedMod];
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const nested = mod.exports[nestedMod];
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if (nested && filter(nested)) return nested;
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if (nested && filter(nested)) return nested;
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}
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}
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