agentsqripts/lib/wet-code/improved-analyzer/analysis/findSemanticDuplicates.js

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

/**
 * @file Find semantic duplicates within a set of blocks
 * @description Single responsibility: Find similar code blocks within a single file
 */

const { calculateSemanticSimilarity, identifyDuplicationPattern } = require('../../ast/semanticSimilarityCalculator');
const calculateAverageSimilarity = require('../metrics/calculateAverageSimilarity');

/**
 * Find semantic duplicates within a set of blocks
 */
function findSemanticDuplicates(blocks, context) {
  if (blocks.length < 2) return [];
  
  const groups = [];
  const processed = new Set();
  
  for (let i = 0; i < blocks.length; i++) {
    if (processed.has(i)) continue;
    
    const group = [blocks[i]];
    processed.add(i);
    
    for (let j = i + 1; j < blocks.length; j++) {
      if (processed.has(j)) continue;
      
      const similarity = calculateSemanticSimilarity(blocks[i], blocks[j]);
      if (similarity >= context.rules.similarityThreshold) {
        group.push(blocks[j]);
        processed.add(j);
      }
    }
    
    if (group.length > 1) {
      groups.push({
        blocks: group,
        similarity: calculateAverageSimilarity(group),
        pattern: identifyDuplicationPattern(group)
      });
    }
  }
  
  return groups;
}

module.exports = findSemanticDuplicates;