1. /**
  2. * Teardown function for API payloads. This function is designed to process
  3. * incoming API payloads and extract/modify data for internal tooling.
  4. * It provides a structured way to handle payload processing and error management.
  5. *
  6. * @param {object} payload - The API payload to process.
  7. * @returns {object|null} - The processed payload, or null if processing fails.
  8. */
  9. function teardownApiPayload(payload) {
  10. // Input validation: Check if the payload is an object.
  11. if (typeof payload !== 'object' || payload === null) {
  12. console.error("Invalid payload: Payload must be an object.");
  13. return null; // Return null to indicate failure
  14. }
  16. try {
  17. // Example 1: Extract specific data.
  18. const userId = payload.user && payload.user.id; // Safely access nested properties
  19. const userName = payload.user && payload.user.name;
  21. // Example 2: Transform data.
  22. const formattedDate = new Date(payload.timestamp).toISOString(); // Format timestamp
  24. // Example 3: Conditional processing.
  25. let processedData = {};
  26. if (payload.status === 'active') {
  27. processedData = {
  28. id: payload.id,
  29. name: payload.name,
  30. isActive: true
  31. };
  32. } else {
  33. console.warn("Payload status is not 'active'. Skipping processing.");
  34. return null; // Skip if status is not active
  35. }
  37. // Combine extracted and transformed data.
  38. const finalPayload = {
  39. userId: userId,
  40. userName: userName,
  41. formattedDate: formattedDate,
  42. processedData: processedData
  43. };
  46. // Log the processed data (for debugging).
  47. console.log("Processed Payload:", finalPayload);
  49. return finalPayload; // Return the processed payload
  50. } catch (error) {
  51. // Error handling: Log the error and return null.
  52. console.error("Error processing payload:", error);
  53. return null; // Return null to indicate failure
  54. }
  55. }
  57. // Example Usage (for testing)
  58. // const testPayload = {
  59. // user: { id: 123, name: "John Doe" },
  60. // timestamp: "2024-10-27T10:00:00Z",
  61. // status: "active",
  62. // id: 456,
  63. // name: "Test Object"
  64. // };
  66. // const processedResult = teardownApiPayload(testPayload);
  68. // if (processedResult) {
  69. // console.log("Payload processed successfully:", processedResult);
  70. // } else {
  71. // console.log("Payload processing failed.");
  72. // }

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