agentsqripts/lib/wet-code/groupSavingsCalculator.js

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

/**
 * @file Group savings calculation
 * @description Responsible for calculating estimated savings from deduplication
 */

/**
 * Calculate estimated savings from deduplication
 * @param {Object} group - Duplicate group
 * @param {Object} pattern - WET pattern
 * @returns {Object} Savings estimates
 */
function calculateEstimatedSavings(group, pattern) {
  const totalLines = group.blocks.reduce((sum, block) => sum + block.lines.length, 0);
  const avgLinesPerBlock = totalLines / group.blocks.length;
  
  // Estimate lines that could be reduced
  // Keep one instance, eliminate the rest, add function overhead
  const linesReduced = Math.max(0, totalLines - avgLinesPerBlock - 3); // -3 for function overhead
  
  // Complexity reduction based on centralization
  const complexityReduction = Math.round(group.complexityScore * 0.7); // 70% reduction from centralization
  
  return {
    linesReduced,
    complexityReduction,
    effort: pattern.effort,
    impact: pattern.impact
  };
}

module.exports = {
  calculateEstimatedSavings
};