agentsqripts/lib/performance/ast/string-concat/check/isStringOperation.js

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

/**
 * @file Check if AST node is a string operation
 * @description Single responsibility: Determine if a node represents a string operation
 */

/**
 * Check if node is a string operation
 * @param {Object} node - AST node
 * @returns {boolean} True if node is a string operation
 */
function isStringOperation(node) {
  if (!node) return false;
  
  // Direct string literal
  if (node.type === 'Literal' && typeof node.value === 'string') {
    return true;
  }
  
  // Template literal
  if (node.type === 'TemplateLiteral') {
    return true;
  }
  
  // Binary expression with +
  if (node.type === 'BinaryExpression' && node.operator === '+') {
    return isStringOperation(node.left) || isStringOperation(node.right);
  }
  
  // Call to toString()
  if (node.type === 'CallExpression' &&
      node.callee.type === 'MemberExpression' &&
      node.callee.property.name === 'toString') {
    return true;
  }
  
  return false;
}

module.exports = isStringOperation;