⚡ Bolt: Optimize exportIconsForYAML by replacing sequential await loop with concurrent Promise.all#509
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Co-authored-by: aafre <8656674+aafre@users.noreply.github.com>
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Code Review
This pull request optimizes the icon export process by refactoring sequential file conversion loops into concurrent operations using Promise.all. The feedback suggests adopting a more functional approach using Object.fromEntries to avoid mutating a shared object and recommends deduplicating the input filenames to prevent redundant processing.
| await Promise.all( | ||
| targetFilenames.map(async (filename) => { | ||
| const entry = registry[filename]; | ||
| if (entry) { | ||
| try { | ||
| const base64Data = await fileToBase64(entry.file); | ||
| exportData[filename] = { | ||
| data: base64Data, | ||
| type: entry.file.type, | ||
| size: entry.file.size, | ||
| uploadedAt: entry.uploadedAt.toISOString(), | ||
| }; | ||
| } catch (error) { | ||
| console.warn(`Failed to export icon ${filename}:`, error); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }) | ||
| ); |
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While the current implementation correctly parallelizes the asynchronous operations, it relies on mutating the exportData object from within the Promise.all callbacks. A more functional approach using Object.fromEntries would avoid side effects on a shared object and improve code clarity. Additionally, if filenames is provided as an argument, it may contain duplicates, leading to redundant processing. Consider deduplicating the input array.
const results = await Promise.all(
[...new Set(targetFilenames)].map(async (filename) => {
const entry = registry[filename];
if (!entry) return null;
try {
const base64Data = await fileToBase64(entry.file);
return [
filename,
{
data: base64Data,
type: entry.file.type,
size: entry.file.size,
uploadedAt: entry.uploadedAt.toISOString(),
},
];
} catch (error) {
console.warn(`Failed to export icon ${filename}:`, error);
return null;
}
})
);
const exportData: IconExportData = Object.fromEntries(
results.filter((result): result is [string, any] => result !== null)
);
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Closing duplicate — the most recent version of this change is PR #535. |
Understood. Acknowledging that this work is a duplicate and stopping work on this task. |
1 participant
What
Refactored the sequential
forloop inexportIconsForYAMLto usePromise.allfor concurrent execution of asynchronousFileReaderconversions.Why
The previous implementation awaited the
fileToBase64conversion sequentially for each icon file, needlessly blocking execution and slowing down the export process, especially when multiple icons are present.Impact
Significantly reduces the total time required to export icons by processing all
FileReaderoperations in parallel.Measurement
Verify the improvement by profiling the execution time of
exportIconsForYAMLwhen multiple icon files are registered. The parallel implementation handles the I/O conversions concurrently, reducing overall wait time.PR created automatically by Jules for task 17027412782608959801 started by @aafre