types(patchKeyedChildren): add explicit type annotation for variable j and newIndex

[LeeSamFong]

Summary by CodeRabbit

• Refactor
  • Strengthened TypeScript type annotations in internal patching logic to improve type safety, maintainability, and developer tooling (better type checking and IntelliSense).
  • No changes to runtime behavior or user-facing features; functionality remains the same.
  • Enhances code reliability for future development without impacting existing workflows or performance.

[coderabbitai]

Walkthrough

Added explicit TypeScript type annotations to two local variables in the renderer patching logic. No changes to behavior or control flow.

Changes

Cohort / File(s)	Summary
Type annotation updates packages/runtime-core/src/renderer.ts	Added explicit types: let j: number and let newIndex: number | undefined; no logic changes.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

In patches where the types now gleam,
I twitch my ears, a tidy dream.
j hops as number, clear and spry,
newIndex winks—undefined or nigh.
No paths remapped, no logic bends—
Just safer grass for rabbit friends. 🐇✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title accurately captures the primary change by referencing the specific function patchKeyedChildren and noting the addition of explicit type annotations for the local variables j and newIndex, matching the actual code modifications without extraneous details. It is concise, follows a conventional commit style, and clearly conveys the intent of the pull request.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

✨ Finishing touches

• 📝 Generate Docstrings

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 5a8aa0b and 14c4083.

📒 Files selected for processing (1)

• packages/runtime-core/src/renderer.ts (2 hunks)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (3)

• GitHub Check: Redirect rules
• GitHub Check: Header rules
• GitHub Check: Pages changed

🔇 Additional comments (1)

packages/runtime-core/src/renderer.ts (1)

1913-1913: Clarifying local indices with explicit types

Explicitly typing j and newIndex mirrors their usage and avoids implicit number | undefined widening when keyToNewIndexMap.get returns undefined. This keeps the keyed diff logic type-safe without altering behavior.

Also applies to: 1934-1934

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[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	102 kB	38.6 kB	34.8 kB
vue.global.prod.js	160 kB	58.7 kB	52.2 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	46.7 kB	18.3 kB	16.7 kB
createApp	54.7 kB	21.3 kB	19.5 kB
createSSRApp	58.9 kB	23 kB	21 kB
defineCustomElement	60 kB	23 kB	21 kB
overall	68.8 kB	26.5 kB	24.2 kB

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commit: 14c4083

[edison1105]

Thanks for the PR, but I don't think this is worthwhile