Improve batch update performance and refactor patch logic#40
Improve batch update performance and refactor patch logic#40
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Refactored `updateCellBatch` in `src/hostBridge.ts` to implement parallel execution for updates when the backend does not support native batching. This replaces the previous sequential fallback loop. Additionally, extracted JSON patch generation logic into a private helper method `tryGeneratePatch` to reduce code duplication between `updateCell` and `updateCellBatch`. The fallback implementation now correctly fires a single batch modification event instead of individual events per cell. Co-authored-by: zknpr <96851588+zknpr@users.noreply.github.com>
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Summary of ChangesHello @zknpr, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request focuses on optimizing the Highlights
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Code Review
This pull request introduces several valuable improvements. The refactoring of the JSON patch generation logic into the tryGeneratePatch method enhances code clarity and maintainability. The performance of batch updates is significantly improved by switching to parallel execution with Promise.all in the fallback path. This change also corrects a bug where individual update events were fired instead of a single batch event, and another where JSON patching was not being applied correctly in the fallback scenario. Overall, these are excellent changes that improve both performance and correctness.
| (value.startsWith('{') || value.startsWith('[')) && | ||
| (originalValue.startsWith('{') || originalValue.startsWith('[')) |
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The startsWith check is a good performance optimization to avoid unnecessary JSON.parse calls. However, it doesn't account for JSON strings that may have leading whitespace. A valid JSON string like " {...}" would fail this check, preventing a patch from being generated and causing a less efficient full update. Using trim() would make this check more robust.
| (value.startsWith('{') || value.startsWith('[')) && | |
| (originalValue.startsWith('{') || originalValue.startsWith('[')) | |
| (value.trim().startsWith('{') || value.trim().startsWith('[')) && | |
| (originalValue.trim().startsWith('{') || originalValue.trim().startsWith('[')) |
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Merged as part of v1.3.0 release in PR #65 |
Acknowledged. Glad to hear the changes are merged. |
1 participant
Improved the performance of batch updates in
HostBridge.tsby replacing the sequential fallback loop withPromise.allfor parallel execution. This ensures that updates are processed concurrently when the underlying database operation does not support native batching.Also refactored the JSON patch generation logic into a reusable
tryGeneratePatchhelper method, improving code maintainability.Corrected the event firing behavior in the fallback path to emit a single batch event instead of multiple individual events.
PR created automatically by Jules for task 7821265999889062770 started by @zknpr