Answer: 52 Added defer decorator

[jpaberzs]

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Summary by CodeRabbit

• New Features

  • Updated the lazy-loaded component experience to load content when users interact with the placeholder.

• Performance

  • Improved component rendering efficiency by adopting optimized change detection across the related components.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Team

Run ID: 010e37db-894c-4264-a786-8c59b91a5959

📥 Commits

Reviewing files that changed from the base of the PR and between 0deb691 and 2030c8d.

📒 Files selected for processing (3)

• apps/angular/52-lazy-load-component/src/app/app.component.ts
• apps/angular/52-lazy-load-component/src/app/placeholder.component.ts
• apps/angular/52-lazy-load-component/src/app/top.component.ts

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📝 Walkthrough

Walkthrough

The lazy-load example replaces signal-based conditional rendering with an interaction-triggered @defer block. AppComponent, PlaceholderComponent, and TopComponent now use OnPush change detection.

Changes

Lazy component loading flow

Layer / File(s)	Summary
Deferred loading and change detection apps/angular/52-lazy-load-component/src/app/*.component.ts	AppComponent loads TopComponent when the placeholder button receives interaction. The signal and click handler are removed. All three components use OnPush change detection.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 2030c

The PR changes when an existing component is rendered after user interaction without adding external interfaces, authorization paths, or cross-system dependencies; no actionable merge-blocking risk remains beyond normal checks and review.

Suggested reviewers: tomalaforge

Sequence Diagram(s)

sequenceDiagram
  participant AppComponent
  participant PlaceholderComponent
  participant TopComponent
  AppComponent->>PlaceholderComponent: Render placeholder button
  PlaceholderComponent->>AppComponent: Detect button interaction
  AppComponent->>TopComponent: Load deferred component

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🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description check	✅ Passed	The description includes the required challenge submission checklist and sponsorship information. It is complete and relevant.
Title check	✅ Passed	The title starts with the required challenge identifier and clearly describes the main change involving the defer implementation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 3…
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.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 3 files.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests

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