agentsqripts/lib/wet-code/ast/duplicate-type/calculateStructuralSimilarity.js

Comprehensive static code analysis toolkit for identifying technical debt, security vulnerabilities, performance issues, and code quality problems

/**
 * @file Calculate structural similarity between blocks
 * @description Single responsibility: Measure how similar code structures are
 */

function calculateStructuralSimilarity(blocks) {
  // Compare AST node types and structure
  const structures = blocks.map(b => b.astNode);
  const uniqueStructures = new Set(structures);
  return 1 - (uniqueStructures.size - 1) / blocks.length;
}

module.exports = calculateStructuralSimilarity;