⚡ Bolt: Optimize schedule filtering to use Set by anyulled · Pull Request #192 · anyulled/devbcn-nextjs

anyulled · 2026-05-04T08:13:53Z

💡 What:
Converted the savedSessionIds array to a Set before filtering sessions in ScheduleContainer.tsx.

🎯 Why:
The original code was using Array.prototype.includes() inside an Array.prototype.filter(). This resulted in a time complexity of O(N * M), where N is the total number of sessions and M is the number of saved sessions. This could cause performance degradation and lag on the main thread when users with many saved sessions toggle the "My Schedule" filter.

📊 Impact:
By using a Set, the time complexity of the lookup becomes O(1), bringing the overall filter operation down to O(N + M). This ensures the UI remains responsive, regardless of the size of the schedule or the number of saved sessions.

🔬 Measurement:
Performance can be verified by profiling the React render cycle using React Developer Tools or Chrome DevTools Performance tab while toggling the "My Schedule" filter with a large number of saved sessions. Render time and script execution time should show a measurable decrease compared to the unoptimized version.

PR created automatically by Jules for task 10054686511925120036 started by @anyulled

Summary by CodeRabbit

Refactor
- Improved schedule filtering performance — viewing "saved only" sessions is faster and feels smoother when toggling or navigating the schedule.

Converted the `savedSessionIds` array into a `Set` prior to running the `Array.filter()` method in `ScheduleContainer.tsx`. This changes the time complexity from O(N*M) to O(N+M) when looking up saved sessions. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

google-labs-jules · 2026-05-04T08:13:54Z

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vercel · 2026-05-04T08:13:54Z

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Project	Deployment	Actions	Updated (UTC)
devbcn-nextjs	Ready	Preview, Comment	May 4, 2026 5:44pm

qodo-code-review · 2026-05-04T08:14:02Z

Review Summary by Qodo

Optimize schedule filtering to use Set for O(1) lookups

✨ Enhancement

Walkthroughs

Description

• Optimize schedule filtering by converting array to Set
• Reduces time complexity from O(N*M) to O(N+M)
• Improves UI responsiveness when toggling saved sessions filter
• Prevents performance degradation with large schedules

Diagram

flowchart LR
  A["savedSessionIds array"] -- "convert to Set" --> B["savedSessionIdsSet"]
  B -- "O(1) lookup with has()" --> C["filter sessions"]
  D["initialSchedule"] -- "filter with Set" --> C
  C -- "filtered results" --> E["optimized UI render"]

File Changes

1. components/schedule/ScheduleContainer.tsx ✨ Enhancement +4/-1

Convert array to Set for efficient session filtering

• Converted savedSessionIds array to a Set before filtering
• Changed lookup from Array.includes() to Set.has() for O(1) performance
• Added explanatory comment about performance optimization
• Maintains same filtering logic with improved time complexity

components/schedule/ScheduleContainer.tsx

qodo-code-review · 2026-05-04T08:14:03Z

Code Review by Qodo

🐞 Bugs (0) 📘 Rule violations (0) 📎 Requirement gaps (0)

Great, no issues found!

Qodo reviewed your code and found no material issues that require review

coderabbitai · 2026-05-04T08:14:07Z

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 4993ddec-2a05-479e-a149-c7bf91de5cbf

📥 Commits

Reviewing files that changed from the base of the PR and between 8960c1e and de74f83.

📒 Files selected for processing (1)

components/schedule/ScheduleContainer.tsx

📝 Walkthrough

Walkthrough

Updated the schedule filtering to convert savedSessionIds into a Set and use savedSessionIdsSet.has(s.id) in the session predicate, replacing the previous savedSessionIds.includes(s.id) check. No other functional changes were made.

Changes

Session Lookup Change

Layer / File(s)	Summary
Data Shape `components/schedule/ScheduleContainer.tsx`	`savedSessionIds` is converted into `savedSessionIdsSet` via `new Set(savedSessionIds
Filter Logic `components/schedule/ScheduleContainer.tsx`	Session filtering predicate now uses `savedSessionIdsSet.has(s.id)` (and still retains `s.isServiceSession` handling) instead of `savedSessionIds.includes(s.id)`.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐇 I hopped through lists both near and far,
Swapped an array for a shiny Set star.
Now lookups are swift, no more linear chase,
The schedule hops faster in every place.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the main optimization: converting array lookups to Set-based lookups for improved performance in schedule filtering.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

Create PR with unit tests
Commit unit tests in branch bolt/optimize-schedule-filter-10054686511925120036

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gemini-code-assist

Code Review

This pull request optimizes the session filtering logic in ScheduleContainer.tsx by converting the savedSessionIds array into a Set to improve performance from O(N*M) to O(N+M). The review feedback suggests adding a safety fallback to handle cases where savedSessionIds might be null or undefined to prevent potential runtime errors, as well as removing redundant comments and tool-specific branding.

coderabbitai

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@components/schedule/ScheduleContainer.tsx`:
- Line 23: Remove the auto-generated explanatory comment that begins with "⚡
Bolt:" on the ScheduleContainer.tsx line near the new Set usage; specifically
delete the inline comment explaining "Convert array to Set..." so only the code
(e.g., the new Set(...) and .has(...) usage) remains, and scan for any other
Bolt/auto-generated inline comments in the ScheduleContainer component to remove
as well, leaving only comments that explain non-obvious rationale if present.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

Push a commit to this branch (recommended)
Create a new PR with the fixes

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: dd36633d-7059-4288-87df-9a8ed130d41c

📥 Commits

Reviewing files that changed from the base of the PR and between 4d23400 and 5fc0c13.

📒 Files selected for processing (1)

components/schedule/ScheduleContainer.tsx

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

anyulled · 2026-05-04T17:27:06Z

@jules Verify each finding against the current code and only fix it if needed.

In @components/schedule/ScheduleContainer.tsx at line 23, Remove the
auto-generated explanatory comment that begins with "⚡ Bolt:" on the
ScheduleContainer.tsx line near the new Set usage; specifically delete the
inline comment explaining "Convert array to Set..." so only the code (e.g., the
new Set(...) and .has(...) usage) remains, and scan for any other
Bolt/auto-generated inline comments in the ScheduleContainer component to remove
as well, leaving only comments that explain non-obvious rationale if present.

anyulled · 2026-05-04T17:27:49Z

@jules Remove all these "// ⚡ Bolt:" comments in the code.

google-labs-jules · 2026-05-04T17:38:47Z

Verify each finding against the current code and only fix it if needed.

In @components/schedule/ScheduleContainer.tsx at line 23, Remove the
auto-generated explanatory comment that begins with "⚡ Bolt:" on the
ScheduleContainer.tsx line near the new Set usage; specifically delete the
inline comment explaining "Convert array to Set..." so only the code (e.g., the
new Set(...) and .has(...) usage) remains, and scan for any other
Bolt/auto-generated inline comments in the ScheduleContainer component to remove
as well, leaving only comments that explain non-obvious rationale if present.

Removed the // ⚡ Bolt: Convert array to Set... inline comment as requested.

google-labs-jules · 2026-05-04T17:38:48Z

@jules Remove all these "// ⚡ Bolt:" comments in the code.

Removed the // ⚡ Bolt: comment as requested.

google-labs-jules · 2026-05-04T17:42:07Z

I have generated the requested changes, but I was unable to publish them to the branch. You can publish the changes manually from the Jules UI.

Converted the `savedSessionIds` array into a `Set` prior to running the `Array.filter()` method in `ScheduleContainer.tsx`. This changes the time complexity from O(N*M) to O(N+M) when looking up saved sessions. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

github-actions Bot added the size/size/XS label May 4, 2026

vercel Bot deployed to Preview – devbcn-nextjs May 4, 2026 08:15 View deployment

gemini-code-assist Bot reviewed May 4, 2026

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Comment thread components/schedule/ScheduleContainer.tsx Outdated

coderabbitai Bot added the size/size/M label May 4, 2026

coderabbitai Bot requested changes May 4, 2026

View reviewed changes

Comment thread components/schedule/ScheduleContainer.tsx Outdated

Update components/schedule/ScheduleContainer.tsx

8960c1e

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

github-actions Bot removed the size/size/M label May 4, 2026

coderabbitai Bot approved these changes May 4, 2026

View reviewed changes

vercel Bot deployed to Preview – devbcn-nextjs May 4, 2026 17:28 View deployment

vercel Bot deployed to Preview – devbcn-nextjs May 4, 2026 17:44 View deployment

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