agentsqripts/lib/performance/react/analyzeRenderComplexity.js

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

/**
 * @file Analyze render method complexity
 * @description Single responsibility: Calculate complexity score of React render method
 */

/**
 * Analyze render method complexity
 */
function analyzeRenderComplexity(lines, startIndex) {
  let complexity = 0;
  let braceDepth = 0;
  
  for (let i = startIndex; i < Math.min(lines.length, startIndex + 50); i++) {
    const line = lines[i];
    braceDepth += (line.match(/{/g) || []).length - (line.match(/}/g) || []).length;
    
    // Add complexity for various patterns
    if (/if\s*\(|switch\s*\(|\?.*:/.test(line)) complexity += 2;
    if (/map\s*\(|filter\s*\(|reduce\s*\(/.test(line)) complexity += 3;
    if (/for\s*\(|while\s*\(/.test(line)) complexity += 4;
    if (/async|await|Promise/.test(line)) complexity += 3;
    
    if (braceDepth === 0 && i > startIndex) break;
  }
  
  return { score: complexity };
}

module.exports = analyzeRenderComplexity;