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

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

/**
 * @file Check if difference is only in variable names
 * @description Single responsibility: Detect if two lines differ only in variable names
 */

/**
 * Helper functions for difference analysis
 */
function isVariableNameDifference(line1, line2) {
  if (!line1 || !line2) return false;
  // Remove variable names and compare
  const normalized1 = line1.replace(/\b[a-zA-Z_]\w*\b/g, 'VAR');
  const normalized2 = line2.replace(/\b[a-zA-Z_]\w*\b/g, 'VAR');
  return normalized1 === normalized2;
}

module.exports = isVariableNameDifference;