1. /**
  2. * Creates a nested structure for experiment headers and metadata with error logging.
  3. * @param {object} config - Configuration object containing experiment details.
  4. * @returns {object} - A nested object representing the experiment headers and metadata.
  5. * @throws {Error} - If the input config is invalid.
  6. */
  7. function createExperimentStructure(config) {
  8. if (!config || typeof config !== 'object') {
  9. throw new Error("Invalid input: config must be an object.");
  10. }
  12. const structure = {};
  13. try {
  14. structure.headers = {};
  15. structure.metadata = {};
  17. if (config.headers) {
  18. if (typeof config.headers !== 'object') {
  19. throw new Error("Invalid input: headers must be an object.");
  20. }
  21. for (const headerName in config.headers) {
  22. if (config.headers.hasOwnProperty(headerName)) {
  23. structure.headers[headerName] = config.headers[headerName];
  24. }
  25. }
  26. }
  28. if (config.metadata) {
  29. if (typeof config.metadata !== 'object') {
  30. throw new Error("Invalid input: metadata must be an object.");
  31. }
  32. for (const metadataKey in config.metadata) {
  33. if (config.metadata.hasOwnProperty(metadataKey)) {
  34. structure.metadata[metadataKey] = config.metadata[metadataKey];
  35. }
  36. }
  37. }
  39. return structure;
  40. } catch (error) {
  41. console.error("Error creating experiment structure:", error.message);
  42. return null; // Or throw the error, depending on desired error handling.
  43. }
  44. }
  46. // Example usage (can be removed for production)
  47. // const experimentConfig = {
  48. // headers: {
  49. // 'X-Custom-Header': 'exampleValue',
  50. // 'Content-Type': 'application/json'
  51. // },
  52. // metadata: {
  53. // version: '1.0',
  54. // author: 'John Doe',
  55. // timestamp: new Date().toISOString()
  56. // }
  57. // };
  59. // const experimentStructure = createExperimentStructure(experimentConfig);
  61. // if (experimentStructure) {
  62. // console.log(JSON.stringify(experimentStructure, null, 2));
  63. // }

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