deduplicate

To find and refactor duplicate code, this Skill uses tree-sitter semantic similarity analysis to identify near-duplicate segments and optionally extracts shared logic into functions or modules. It supports analyzing changed files or the entire project scope.

Detecting near-duplicate code segments is best handled by semantic similarity analysis using tree-sitter, which parses code structure to find matching logic rather than relying on exact text matching, ensuring accurate redundancy identification.

Yes, you can scope code duplication analysis to only changed files or run it across the whole codebase. This targeted scoping allows developers to efficiently review recent modifications for redundancy before refactoring.

Yes, automated refactoring enforces coding standards and test-driven development principles during function or module extraction. This ensures that the extracted shared logic maintains code quality and maintainability standards.

Tree-sitter semantic analysis works by parsing the abstract syntax tree of your code to identify structurally similar segments. This approach detects near-duplicate logic and suggests refactoring opportunities like extracting functions to eliminate redundancy.

You should avoid automated code deduplication refactoring when near-duplicate segments are coincidental rather than true redundancy, as forcing function or module extraction may reduce readability and introduce unnecessary abstraction layers.