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Optimize Memory Usage by Hoisting Function in For Loop 💽 #51242

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merged 4 commits into from
Dec 23, 2023
Merged

Optimize Memory Usage by Hoisting Function in For Loop 💽 #51242

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36c5ca9
perf: Reduce memory usage
sanjaiyan-dev Dec 20, 2023
c8ba57d
revert: doubt code
sanjaiyan-dev Dec 20, 2023
1a8ba62
Update lib/internal/per_context/primordials.js
sanjaiyan-dev Dec 20, 2023
c72264c
Update lib/internal/per_context/primordials.js
sanjaiyan-dev Dec 20, 2023
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9 changes: 6 additions & 3 deletions lib/internal/per_context/primordials.js
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Original file line number Diff line number Diff line change
Expand Up @@ -541,11 +541,14 @@ primordials.SafePromiseAllReturnVoid = (promises, mapFn) =>
new Promise((resolve, reject) => {
let pendingPromises = promises.length;
if (pendingPromises === 0) resolve();
const onPromiseSettled = () => {
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if (--pendingPromises === 0) {
resolve();
}
};
for (let i = 0; i < promises.length; i++) {
const promise = mapFn != null ? mapFn(promises[i], i) : promises[i];
PromisePrototypeThen(PromiseResolve(promise), () => {
if (--pendingPromises === 0) resolve();
}, reject);
PromisePrototypeThen(PromiseResolve(promise), onPromiseSettled, reject);
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}
});

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