⚡ Bolt: Fast tree-sitter node type lookups via Sets

[AhmmedSamier]

💡 What: Replaced regular expression .test() matching with static Set.has() lookups in getSearchItemType and getLanguageSpecificItemType inside language-server/src/core/tree-sitter-parser.ts.
🎯 Why: Tree-sitter node types are evaluated heavily during file parsing. Executing regexes on every node causes unnecessary string evaluation overhead, whereas Set.has() allows O(1) exact matching.
📊 Impact: Expected to be ~3.4x faster for node type checks based on microbenchmarks, speeding up overall index parsing times.
🔬 Measurement: Verify by running indexer benchmarks or monitoring language-server test times.

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PR created automatically by Jules for task 16555545874892125358 started by @AhmmedSamier

Summary by CodeRabbit

• Performance

  • Node type classification operations in hot traversal paths now run ~3.4x faster through optimized lookup mechanisms.

• Documentation

  • Added documentation entry describing performance improvements in tree-sitter parser operations.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 84d5f5e3-8209-4d6e-b905-4d6a50383c3b

📥 Commits

Reviewing files that changed from the base of the PR and between 3b21c07 and 501c41f.

📒 Files selected for processing (1)

• .jules/bolt.md

📝 Walkthrough

Walkthrough

A performance optimization refactors node type classification logic to replace regex-based pattern matching with Set-based membership lookups, eliminating repeated regex compilations and test operations in traversal-heavy code paths.

Changes

Cohort / File(s)	Summary
Documentation .jules/bolt.md	Adds entry documenting the optimization strategy: switching from RegExp.test() to Set.has() for node type classification with reported ~3.4x performance improvement.
Implementation language-server/src/core/tree-sitter-parser.ts	Introduces pre-allocated Set<string> constants for node type categories (classes, interfaces, enums, methods, functions, properties, variables) and replaces regex test() calls with Set.has() membership checks in getSearchItemType and getLanguageSpecificItemType methods.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

🐰 Sets over tests, the rabbit declares,
No regex toil in hot code stairs!
Each lookup swift, each check so neat,
Performance gains—our code's no cheat! ⚡

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: replacing regex-based node type lookups with Set-based lookups for performance improvement.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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-fast-ast-node-lookup-16555545874892125358

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