agentsqripts/lib/performance/performanceRecommendationGenerator.js

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

/**
 * @file Performance recommendation generator
 * @description Generates performance recommendations based on analysis
 */

/**
 * Generate performance recommendations
 * @param {Array} issues - Array of performance issues
 * @param {number} totalEffort - Total effort required
 * @param {number} analysisTime - Time taken for analysis
 * @returns {Array} Array of recommendations
 */
function generatePerformanceRecommendations(issues, totalEffort = 0, analysisTime = 0) {
  const recommendations = [];
  
  // Sort issues by priority (HIGH severity first, then by impact)
  const sortedIssues = [...issues].sort((a, b) => {
    const severityOrder = { 'HIGH': 3, 'MEDIUM': 2, 'LOW': 1 };
    const aSeverity = severityOrder[a.severity] || 1;
    const bSeverity = severityOrder[b.severity] || 1;
    
    if (aSeverity !== bSeverity) return bSeverity - aSeverity;
    return (b.impact || 0) - (a.impact || 0);
  });
  
  // Generate structured recommendations for each category
  const categories = {};
  for (const issue of issues) {
    if (!categories[issue.category]) categories[issue.category] = [];
    categories[issue.category].push(issue);
  }
  
  // High-priority recommendations
  const highSeverityIssues = issues.filter(i => i.severity === 'HIGH');
  if (highSeverityIssues.length > 0) {
    recommendations.push({
      priority: 'HIGH',
      optimization: `Address ${highSeverityIssues.length} critical performance bottlenecks`,
      expectedImpact: 'Major performance improvement (50-80%)',
      category: 'Critical',
      effort: 'High'
    });
  }
  
  // Algorithm-specific recommendations
  if (categories['Algorithm']) {
    recommendations.push({
      priority: 'HIGH',
      optimization: 'Replace O(n²) algorithms with more efficient alternatives',
      expectedImpact: 'Significant scalability improvement',
      category: 'Algorithm',
      effort: 'Medium'
    });
  }
  
  // I/O optimizations
  if (categories['I/O']) {
    recommendations.push({
      priority: 'MEDIUM',
      optimization: 'Convert synchronous I/O operations to asynchronous',
      expectedImpact: 'Better throughput and responsiveness',
      category: 'I/O',
      effort: 'Low'
    });
  }
  
  // String optimizations
  if (categories['String']) {
    recommendations.push({
      priority: 'MEDIUM', 
      optimization: 'Use array.join() instead of string concatenation in loops',
      expectedImpact: 'Reduced memory allocation and faster execution',
      category: 'String',
      effort: 'Low'
    });
  }
  
  // DOM optimizations
  if (categories['DOM']) {
    recommendations.push({
      priority: 'MEDIUM',
      optimization: 'Cache DOM queries and use batch operations',
      expectedImpact: 'Smoother UI interactions',
      category: 'DOM', 
      effort: 'Medium'
    });
  }
  
  // React optimizations
  if (categories['React']) {
    recommendations.push({
      priority: 'MEDIUM',
      optimization: 'Implement React.memo and optimize re-renders',
      expectedImpact: 'Faster component updates',
      category: 'React',
      effort: 'Medium'
    });
  }
  
  if (recommendations.length === 0) {
    recommendations.push({
      priority: 'LOW',
      optimization: 'Code shows good performance patterns',
      expectedImpact: 'No major optimizations needed',
      category: 'General',
      effort: 'None'
    });
  }
  
  return recommendations;
}

module.exports = {
  generatePerformanceRecommendations
};