feat: optimize speaker lookup by id to O(1)#284
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📝 WalkthroughWalkthroughAdds a Bolt rule mandating comment removal during file edits, removes a JSDoc comment from ChangesSpeaker lookup optimization and Bolt comment-removal rule
Estimated code review effort🎯 1 (Trivial) | ⏱️ ~3 minutes Suggested labels
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Code Review
This pull request documents a strict negative constraint against JSDoc comments in .jules/bolt.md and removes existing JSDoc comments from hooks/useSpeakers.ts. It also optimizes getSpeakerByYearAndId by introducing a cached getSpeakersMap helper to perform O(1) lookups instead of O(N) array searches. The reviewer suggested adding a strict option to the new getSpeakersMap and getSpeakerByYearAndId functions to propagate errors and fail the build on data fetching failures.
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| const getSpeakersMap = cache(async (year: string | number): Promise<Map<string, Speaker>> => { | ||
| const speakers = await getSpeakers(year); | ||
| return speakers.find((speaker) => speaker.id === speakerId); | ||
| return new Map(speakers.map((speaker) => [speaker.id, speaker])); | ||
| }); | ||
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| export const getSpeakerByYearAndId = async (year: string | number, speakerId: string): Promise<Speaker | undefined> => { | ||
| const speakersMap = await getSpeakersMap(year); | ||
| return speakersMap.get(speakerId); | ||
| }; |
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To ensure robust error handling during build-time execution (such as static page generation or sitemap generation), data fetching helpers should support a strict mode that propagates errors and fails the build on failure. Currently, getSpeakerByYearAndId does not accept or propagate a strict option to getSpeakers, which could lead to silent failures and incomplete page generation.
| const getSpeakersMap = cache(async (year: string | number): Promise<Map<string, Speaker>> => { | |
| const speakers = await getSpeakers(year); | |
| return speakers.find((speaker) => speaker.id === speakerId); | |
| return new Map(speakers.map((speaker) => [speaker.id, speaker])); | |
| }); | |
| export const getSpeakerByYearAndId = async (year: string | number, speakerId: string): Promise<Speaker | undefined> => { | |
| const speakersMap = await getSpeakersMap(year); | |
| return speakersMap.get(speakerId); | |
| }; | |
| const getSpeakersMap = cache(async (year: string | number, strict?: boolean): Promise<Map<string, Speaker>> => { | |
| const speakers = await getSpeakers(year, { strict }); | |
| return new Map(speakers.map((speaker) => [speaker.id, speaker])); | |
| }); | |
| export const getSpeakerByYearAndId = async (year: string | number, speakerId: string, options?: { strict?: boolean }): Promise<Speaker | undefined> => { | |
| const speakersMap = await getSpeakersMap(year, options?.strict); | |
| return speakersMap.get(speakerId); | |
| }; |
References
- Data fetching functions used during the build process (e.g., for sitemap generation) should include a 'strict' mode that throws an error on failure. This ensures that data fetching problems cause the build to fail, preventing the deployment of incomplete pages.
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In @.jules/bolt.md:
- Around line 5-9: The Bolt rule mandating removal of all comments including
JSDoc blocks conflicts with the existing coding guideline for
TypeScript/JavaScript files that explicitly permits comments explaining why
non-obvious decisions were made. Revise the strict negative constraint in the
Bolt rule to allow explanatory "why" comments while still removing only
redundant "what" comments and inline commentary, thus aligning the Bolt rule
with the established coding guidelines instead of overriding them completely.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
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ℹ️ Review info
⚙️ Run configuration
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📒 Files selected for processing (2)
.jules/bolt.mdhooks/useSpeakers.ts
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| ## 2024-05-19 - Strict negative constraint regarding JSDoc comments | ||
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| **Learning:** The strict constraint "never include comments in the code for any reason" and "delete existing comments when encountered" applies not just to inline `//` comments, but also to `/** */` JSDoc blocks. Leaving these behind during refactors can lead to code review feedback about violating negative constraints. | ||
| **Action:** When making any file modifications as Bolt, actively scrub the file (or at least the immediate surrounding area of the modification) for any existing comments (both block and inline) and completely remove them to adhere strictly to the persona's rules. |
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Bolt rule conflicts with coding guidelines.
The new rule mandates removing all comments, including those explaining "why" non-obvious decisions were made. However, the coding guidelines for **/*.{ts,tsx,js,jsx} explicitly allow comments that "explain why non-obvious decisions were made."
This creates conflicting standards. Consider revising the Bolt rule to align with the existing guidelines: permit explanatory "why" comments while removing only redundant "what" comments.
As per coding guidelines: **/*.{ts,tsx,js,jsx}: Code must be self-documenting. Only explain why non-obvious decisions were made in comments, not what code does.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In @.jules/bolt.md around lines 5 - 9, The Bolt rule mandating removal of all
comments including JSDoc blocks conflicts with the existing coding guideline for
TypeScript/JavaScript files that explicitly permits comments explaining why
non-obvious decisions were made. Revise the strict negative constraint in the
Bolt rule to allow explanatory "why" comments while still removing only
redundant "what" comments and inline commentary, thus aligning the Bolt rule
with the established coding guidelines instead of overriding them completely.
Source: Coding guidelines
1 participant
💡 What: Replaced the$O(N)$ $O(1)$ property access lookups. Also scrubbed existing JSDoc comments in the file per strict Bolt constraints.
speakers.find()array traversal ingetSpeakerByYearAndIdwith a cachedMapimplementation allowing for🎯 Why: In components or build steps (like$O(N \times M)$ time complexity. Building a map once and performing lookups from it scales significantly better.
generateStaticParamsor sitemap generation) that may process hundreds of talks and repeatedly look up speaker details by ID, repeatedly iterating over the speakers array using.find()results in📊 Impact: Reduces$O(N)$ to $O(1)$ , dropping the overall time cost from $O(N \times M)$ to $O(N + M)$ for batched lookups.
getSpeakerByYearAndIdtime complexity from🔬 Measurement: Run
npm run testandnpm run buildto verify no regressions in speaker rendering. Profiling a page that renders hundreds of talks (and looks up speaker data for each) will show less CPU time spent traversing the speakers array.PR created automatically by Jules for task 5638074606314693986 started by @anyulled
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