agentsqripts/lib/utils/pattern-detector/loop/isSmallFixedLoop.js

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

/**
 * @file Check for small fixed loops
 * @description Single responsibility: Check if a loop has small fixed iterations
 */

/**
 * Checks if a loop is small/fixed iterations
 * @param {string} line - Line containing loop
 * @returns {boolean} True if loop has small fixed iterations
 */
function isSmallFixedLoop(line) {
  const trimmed = line.trim();
  
  // Check for small fixed for loops (e.g., for(let i=0; i<3; i++))
  if (/for\s*\([^;]+;\s*\w+\s*<\s*\d+\s*;/.test(trimmed)) {
    const match = trimmed.match(/<\s*(\d+)/);
    if (match && parseInt(match[1], 10) < 10) {
      return true;
    }
  }
  
  // Check for small known arrays
  if (/\[(.*?)\]\.forEach|\.slice\(\d+,\s*\d+\)\.forEach/.test(trimmed)) {
    return true;
  }
  
  return false;
}

module.exports = isSmallFixedLoop;