agentsqripts/lib/wet-code/ast/context-analyzer/rules/applyContextRules.js

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

/**
 * @file Apply context-specific analysis rules
 * @description Single responsibility: Configure analysis rules based on file context
 */

function applyContextRules(context) {
  const { isTestFile, isConfigFile, isGeneratedFile, framework } = context;
  
  // Default rules
  context.rules = {
    minLines: 5,
    minComplexity: 2,
    similarityThreshold: 0.8,
    skipAnalysis: false,
    allowedPatterns: []
  };
  
  // Test files have more lenient rules
  if (isTestFile) {
    context.rules.minLines = 10;
    context.rules.minComplexity = 1;
    context.rules.similarityThreshold = 0.9;
    context.rules.allowedPatterns.push(
      'test-fixtures',
      'mock-data',
      'test-helpers',
      'assertion-patterns'
    );
    context.acceptablePatterns.push(
      'Test fixture data is expected to be duplicated',
      'Test setup/teardown patterns are acceptable'
    );
  }
  
  // Config files often have boilerplate
  if (isConfigFile) {
    context.rules.minLines = 15;
    context.rules.allowedPatterns.push(
      'config-boilerplate',
      'environment-setup'
    );
    context.acceptablePatterns.push(
      'Configuration boilerplate is often necessary'
    );
  }
  
  // Generated files should be skipped
  if (isGeneratedFile) {
    context.rules.skipAnalysis = true;
    context.acceptablePatterns.push(
      'Generated files should not be manually edited'
    );
  }
  
  // Migration files have specific patterns
  if (context.isMigrationFile) {
    context.rules.minLines = 20;
    context.rules.allowedPatterns.push(
      'migration-boilerplate',
      'schema-definitions'
    );
  }
  
  // Framework-specific rules
  if (framework.includes('react')) {
    context.rules.allowedPatterns.push(
      'react-component-boilerplate',
      'prop-types-definitions',
      'default-props'
    );
  }
  
  if (framework.includes('express')) {
    context.rules.allowedPatterns.push(
      'route-handlers',
      'middleware-patterns',
      'error-handlers'
    );
  }
  
  if (framework.includes('jest') || framework.includes('mocha')) {
    context.rules.minLines = 8;
    context.rules.allowedPatterns.push(
      'test-assertions',
      'mock-implementations'
    );
  }
}

module.exports = applyContextRules;