Claude Code钩子Hooks系统详解：打造事件驱动的智能开发工作流

# 事件处理的四个核心阶段
event_lifecycle:
  phases:
    - phase: "event_detection"
      description: "智能事件检测与捕获"
      components:
        - file_watcher: "毫秒级文件变更监控"
        - git_monitor: "Git操作实时感知"
        - user_action_tracker: "用户行为模式识别"
        - build_integration: "构建系统状态同步"
      
    - phase: "event_processing"  
      description: "事件分析与路由决策"
      steps:
        - context_enrichment: "丰富事件上下文信息"
        - priority_assessment: "智能优先级评估"
        - condition_evaluation: "条件匹配与验证"
        - routing_decision: "最优路由策略选择"
      
    - phase: "hook_execution"
      description: "钩子执行与响应"
      strategies:
        - synchronous: "同步执行保证时序"
        - asynchronous: "异步执行提升性能"
        - conditional: "条件执行避免浪费"
        - batch: "批量执行优化资源"
      
    - phase: "result_handling"
      description: "结果处理与反馈"
      actions:
        - success_logging: "成功执行记录"
        - error_recovery: "失败自动恢复"
        - notification: "智能状态通知"
        - learning: "执行经验积累"

# 智能文件监控配置
file_system_monitoring:
  watchers:
    - name: "source_code_watcher"
      patterns:
        - "src/**/*.{js,ts,jsx,tsx,py,go,rs}"
        - "lib/**/*.{js,ts}"
      events: ["modified", "created", "deleted"]
      debounce: 300  # 300ms防抖避免频繁触发
      
    - name: "config_file_watcher"
      patterns:
        - "package.json"
        - "tsconfig.json"  
        - "*.config.{js,ts,json}"
        - ".env*"
      events: ["modified"]
      immediate_trigger: true  # 配置文件变更立即响应

# 综合预提交检查钩子
pre_commit_quality_gate:
  name: "comprehensive_pre_commit_check"
  type: "composite"
  blocking: true  # 失败时阻止提交
  timeout: 60000
  
  checks:
    - name: "code_style_check"
      priority: 1
      script: |
        const stagedFiles = await getStagedFiles(['.js', '.ts', '.jsx', '.tsx']);
        
        // Prettier格式检查
        for (const file of stagedFiles) {
          const isFormatted = await checkPrettierFormatted(file);
          if (!isFormatted) {
            console.error(`❌ 格式错误: ${file}`);
            console.log('💡 运行 `npm run format` 修复');
            return { success: false };
          }
        }
        
        // ESLint规则检查  
        const lintResult = await runESLint(stagedFiles);
        if (lintResult.errorCount > 0) {
          console.error(`❌ ESLint错误: ${lintResult.errorCount}个`);
          return { success: false };
        }
        
        return { success: true };
    
    - name: "type_safety_check"
      priority: 2
      condition: "project.hasTypeScript"
      script: |
        const typeResult = await runTypeScript({ noEmit: true });
        
        if (typeResult.diagnostics.length > 0) {
          console.error('❌ TypeScript类型错误:');
          typeResult.diagnostics.forEach(d => {
            console.error(`  ${d.file}: ${d.message}`);
          });
          return { success: false };
        }
        
        return { success: true };
    
    - name: "security_scan"
      priority: 3
      script: |
        const files = await getStagedFiles();
        const securityIssues = [];
        
        // 检查敏感信息模式
        const sensitivePatterns = [
          /api[_-]?key\s*[:=]\s*['"][^'"]{10,}['"]/i,
          /password\s*[:=]\s*['"][^'"]{5,}['"]/i,
          /secret\s*[:=]\s*['"][^'"]{10,}['"]/i,
          /token\s*[:=]\s*['"][^'"]{20,}['"]/i
        ];
        
        for (const file of files) {
          const content = await readFile(file);
          for (const pattern of sensitivePatterns) {
            if (pattern.test(content)) {
              securityIssues.push(`${file}: 发现敏感信息`);
            }
          }
        }
        
        if (securityIssues.length > 0) {
          console.error('🚨 安全问题:');
          securityIssues.forEach(issue => console.error(`  ${issue}`));
          return { success: false };
        }
        
        return { success: true };

# CI/CD流水线钩子
ci_cd_pipeline_hook:
  name: "full_ci_cd_pipeline"
  type: "pipeline"
  trigger:
    event: "push"
    branch: "main"
  
  stages:
    - name: "preparation"
      parallel: false
      hooks:
        - name: "environment_validation"
          script: |
            await validateBuildEnvironment();
            await setupTempDirectories();
            return { success: true };
        
        - name: "dependency_cache_restore"
          script: |
            const cacheKey = await generateDependencyCacheKey();
            const restored = await restoreCache(cacheKey);
            console.log(`📦 缓存${restored ? '命中' : '未命中'}`);
            return { success: true, cached: restored };
    
    - name: "build_and_test"
      parallel: true
      hooks:
        - name: "compile_and_bundle"
          script: |
            const buildResult = await runBuild();
            if (!buildResult.success) {
              throw new Error(`构建失败: ${buildResult.error}`);
            }
            
            // 分析构建产物
            const bundleSize = await analyzeBundleSize();
            if (bundleSize > 500000) { // 500KB
              console.warn(`⚠️ Bundle过大: ${formatSize(bundleSize)}`);
            }
            
            return { success: true, bundleSize };
        
        - name: "comprehensive_testing"
          script: |
            // 并行执行不同类型的测试
            const [unitResult, integrationResult] = await Promise.all([
              runUnitTests(),
              runIntegrationTests()
            ]);
            
            const allPassed = unitResult.success && integrationResult.success;
            
            // 生成测试报告
            await generateTestReport({
              unit: unitResult,
              integration: integrationResult
            });
            
            return { success: allPassed };
    
    - name: "quality_assurance"
      depends_on: ["build_and_test"]
      parallel: true
      hooks:
        - name: "code_coverage_check"
          script: |
            const coverage = await calculateCoverage();
            if (coverage.total < 80) {
              throw new Error(`覆盖率不足: ${coverage.total}%`);
            }
            return { success: true, coverage };
        
        - name: "security_audit"
          script: |
            const auditResult = await runSecurityAudit();
            const criticalIssues = auditResult.filter(issue => 
              issue.severity === 'critical'
            );
            
            if (criticalIssues.length > 0) {
              throw new Error(`发现${criticalIssues.length}个严重安全问题`);
            }
            
            return { success: true, issues: auditResult };
    
    - name: "deployment"
      depends_on: ["quality_assurance"]
      condition: "allPreviousStagesSucceeded()"
      hooks:
        - name: "staging_deployment"
          script: |
            const deployResult = await deployToStaging();
            await runSmokeTests(deployResult.url);
            return { success: true, stagingUrl: deployResult.url };
        
        - name: "production_deployment"
          depends_on: ["staging_deployment"]
          manual_approval: true  # 需要手动确认
          script: |
            const prodResult = await deployToProduction();
            
            // 发送部署通知
            await sendSlackNotification({
              channel: '#deployments',
              message: `🚀 生产环境部署完成\n版本: ${prodResult.version}\nURL: ${prodResult.url}`
            });
            
            return { success: true, prodUrl: prodResult.url };

# 开发工具集成配置
tool_integrations:
  
  # ESLint集成
  eslint:
    type: "linter"
    events: ["file_modified", "pre_commit"]
    configuration:
      auto_fix: true
      fail_on_error: true
      ignore_warnings: false
    integration_script: |
      const files = await getModifiedFiles(['.js', '.ts', '.jsx', '.tsx']);
      if (files.length === 0) return { success: true };
      
      const result = await runESLint(files, { fix: true });
      
      if (result.errorCount > 0) {
        await displayLintErrors(result.messages);
        return { 
          success: false, 
          message: `发现${result.errorCount}个错误需要修复` 
        };
      }
      
      if (result.fixedCount > 0) {
        console.log(`✨ 自动修复了${result.fixedCount}个问题`);
      }
      
      return { success: true };
  
  # Jest测试集成
  jest:
    type: "test_runner"
    events: ["file_modified", "pre_commit"]
    configuration:
      watch_mode: true
      coverage_threshold: 80
      parallel: true
    integration_script: |
      const changedFile = event.file_path;
      const relatedTests = await findJestTests(changedFile);
      
      if (relatedTests.length === 0) {
        return { success: true, message: '无相关测试' };
      }
      
      const testResult = await runJest({
        tests: relatedTests,
        coverage: event.type === 'pre_commit'
      });
      
      if (!testResult.success) {
        await displayTestFailures(testResult);
        return { 
          success: false, 
          message: `${testResult.failureCount}个测试失败` 
        };
      }
      
      return { 
        success: true, 
        message: `${testResult.passCount}个测试通过` 
      };
  
  # Docker集成
  docker:
    type: "containerization"
    events: ["post_commit", "pre_push"]
    configuration:
      auto_build: true
      tag_strategy: "git_commit"
      registry_push: false
    integration_script: |
      const branch = await git.getCurrentBranch();
      const commit = await git.getShortHash();
      const imageTag = `${project.name}:${branch}-${commit}`;
      
      console.log(`🐳 构建Docker镜像: ${imageTag}`);
      
      const buildResult = await dockerBuild({
        tag: imageTag,
        context: '.',
        dockerfile: 'Dockerfile'
      });
      
      if (!buildResult.success) {
        return { success: false, error: buildResult.error };
      }
      
      console.log('✅ Docker镜像构建成功');
      
      // 主分支自动推送到registry
      if (branch === 'main' && process.env.AUTO_PUSH === 'true') {
        await dockerPush(imageTag);
        console.log('📤 镜像已推送到仓库');
      }
      
      return { success: true, imageTag };

# React项目完整自动化配置
react_project_automation:
  
  # 文件保存时自动处理
  on_file_save:
    - auto_format: "Prettier + ESLint自动修复"
    - type_check: "实时TypeScript检查"
    - import_organize: "自动整理import语句"
  
  # 提交前质量门禁
  pre_commit_gates:
    - code_style: "格式和规范检查"
    - type_safety: "类型安全验证"
    - unit_tests: "相关测试执行"
    - security_scan: "敏感信息检查"
  
  # 推送前完整验证
  pre_push_validation:
    - full_build: "完整项目构建"
    - test_suite: "全量测试执行"
    - coverage_check: "代码覆盖率验证"
    - bundle_analysis: "包大小分析"
  
  # 部署后自动化
  post_deployment:
    - smoke_tests: "线上环境验证"
    - performance_check: "性能基准对比"
    - notification: "团队状态同步"