Fix issue #73: Complete variable name validator improvements with systematic refactoring #77
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… quality - Fix missing case in name conflict detection (y->x rename now properly fails) - Add parent scope checking to VariableNameValidator to detect conflicts with variables in ancestor scopes - Add test case for child-scope-conflict scenario - Extract common addNameIfIdentifier pattern to reduce duplication - Refactor oversized addDirectVariableNames method into smaller focused methods - Update unit test expectations to reflect new correct parent scope checking behavior - Fix quality violations: remove comments, eliminate ESLint any type usage 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
… document systematic refactoring technique - Inlined all single-use variables using bottom-up approach to avoid line number conflicts - Reduced test file from 230 to 154 lines while maintaining all functionality - Removed file from quality baseline to enforce zero violations - Fixed duplicate file creation issues by using unique test file names - Added systematic refactoring guidance to REFACTORING_STYLE.md for future reference 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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Summary
This PR completes the fix for issue #73 (rename conflict detection) and includes comprehensive improvements to the variable name validator with quality enhancements.
Key Changes
🔧 Issue #73 Fix - Parent Scope Conflict Detection
addParentScopeVariableNames()method to traverse all ancestor scopes🧹 Code Quality Improvements
variable-name-validator.test.tsusing systematic bottom-up approach📚 Documentation & Knowledge Preservation
REFACTORING_STYLE.mdTest Coverage
Before/After
Before:
y→xrename incorrectly succeeded whenxexisted in parent scopeAfter:
y→xrename correctly fails with clear error message🤖 Generated with Claude Code