fix(j-s): Memoize CaseFiles so they don't move when renaming #16149
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🧹 Outside diff range and nitpick comments (2)
apps/judicial-system/web/src/routes/Prosecutor/Indictments/CaseFile/CaseFile.tsx (2)
27-33: LGTM: Efficient memoization of filtered case filesThe implementation of
useMemofor filteringcaseFilesis a good optimization. It ensures that the filtering operation is only performed whenworkingCase.caseFileschanges, potentially improving performance.The use of optional chaining and nullish coalescing operators enhances code safety. However, to further improve type safety, consider adding a type annotation for the
caseFilesconstant:const caseFiles: CaseFile[] = useMemo(() => { // ... existing code ... }, [workingCase.caseFiles])This will ensure that the type of
caseFilesis explicitly defined and consistent with its usage.
69-82: LGTM: Improved efficiency in rendering IndictmentsCaseFilesAccordionItemThe changes improve the efficiency of rendering
IndictmentsCaseFilesAccordionItemcomponents by using the memoizedcaseFiles. This approach avoids unnecessary re-filtering of case files on each render, which is a good optimization.However, I noticed that the
keyprop for theIndictmentsCaseFilesAccordionItemis using the array index. While this isn't a new issue introduced by these changes, it's worth noting that using array indices as keys can lead to unexpected behavior if the array order changes. Consider using a unique identifier from thepoliceCaseNumberobject if available:<IndictmentsCaseFilesAccordionItem key={policeCaseNumber.id || index} // ... other props ... />This would provide a more stable key for React's reconciliation process.
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- apps/judicial-system/web/src/routes/Prosecutor/Indictments/CaseFile/CaseFile.tsx (3 hunks)
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apps/judicial-system/web/src/routes/Prosecutor/Indictments/CaseFile/CaseFile.tsx (1)
Pattern
apps/**/*: "Confirm that the code adheres to the following:
- NextJS best practices, including file structure, API routes, and static generation methods.
- Efficient state management and server-side rendering techniques.
- Optimal use of TypeScript for component and utility type safety."
🔇 Additional comments not posted (2)
apps/judicial-system/web/src/routes/Prosecutor/Indictments/CaseFile/CaseFile.tsx (2)
1-1: LGTM: Appropriate import ofuseMemohookThe addition of
useMemoto the import statement is consistent with its usage in the component and follows React best practices for optimizing performance.
Line range hint
1-33: Summary: Effective implementation of memoization for CaseFilesThe changes in this PR successfully address the objective of memoizing CaseFiles to prevent reordering during renaming operations. The implementation:
- Introduces a
useMemohook to efficiently filter and memoize case files.- Simplifies the rendering of
IndictmentsCaseFilesAccordionItemcomponents by using the memoized value.These changes align well with NextJS best practices and demonstrate efficient state management. The use of TypeScript enhances type safety, although there's room for minor improvements in type annotations.
The implementation should effectively solve the reported bug by ensuring consistent ordering of CaseFiles during renaming operations. To fully verify the fix, consider adding specific tests that simulate renaming operations and check for consistent ordering of CaseFiles.
To ensure the effectiveness of this fix, you may want to run the following verification:
If the search doesn't yield relevant results, consider adding specific tests to verify the fix.
Also applies to: 69-82
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #16149 +/- ##
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Coverage 36.64% 36.64%
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Files 6769 6746 -23
Lines 139435 138703 -732
Branches 39656 39506 -150
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- Hits 51100 50833 -267
+ Misses 88335 87870 -465
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... and 88 files with indirect coverage changes Continue to review full report in Codecov by Sentry.
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Datadog ReportBranch report: ✅ 0 Failed, 338 Passed, 0 Skipped, 1m 15.47s Total Time 🔻 Code Coverage Decreases vs Default Branch (1)
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added
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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
What
Memoize CaseFiles so they don't reorder while renaming
Why
Fixing a bug that would snap case files back to their original order if the user moved them around before renaming
Checklist:
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