Sim

函数

Function 模块在您的工作流中执行自定义 JavaScript 或 TypeScript 代码。可以用于转换数据、执行计算或实现自定义逻辑。

函数块与代码编辑器

输出

  • <function.result>: 您的函数返回的值
  • <function.stdout>: 您代码中 Console.log() 的输出

示例用例

数据处理管道 - 将 API 响应转换为结构化数据

API (Fetch) → Function (Process & Validate) → Function (Calculate Metrics) → Response

业务逻辑实现 - 计算忠诚度分数和等级

Agent (Get History) → Function (Calculate Score) → Function (Determine Tier) → Condition (Route)

数据验证和清理 - 验证并清理用户输入

Input → Function (Validate & Sanitize) → API (Save to Database)

示例:忠诚度分数计算器

loyalty-calculator.js
// Process customer data and calculate loyalty score
const { purchaseHistory, accountAge, supportTickets } = <agent>;

// Calculate metrics
const totalSpent = purchaseHistory.reduce((sum, purchase) => sum + purchase.amount, 0);
const purchaseFrequency = purchaseHistory.length / (accountAge / 365);
const ticketRatio = supportTickets.resolved / supportTickets.total;

// Calculate loyalty score (0-100)
const spendScore = Math.min(totalSpent / 1000 * 30, 30);
const frequencyScore = Math.min(purchaseFrequency * 20, 40);
const supportScore = ticketRatio * 30;

const loyaltyScore = Math.round(spendScore + frequencyScore + supportScore);

return {
  customer: <agent.name>,
  loyaltyScore,
  loyaltyTier: loyaltyScore >= 80 ? "Platinum" : loyaltyScore >= 60 ? "Gold" : "Silver",
  metrics: { spendScore, frequencyScore, supportScore }
};

最佳实践

  • 保持函数专注:编写专注于单一功能的函数,以提高可维护性和调试性
  • 优雅地处理错误:使用 try/catch 块处理潜在错误并提供有意义的错误信息
  • 测试边界情况:确保您的代码能够正确处理异常输入、空值和边界条件
  • 优化性能:注意大数据集的计算复杂性和内存使用
  • 使用 console.log() 进行调试:利用标准输出调试和监控函数执行
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