1. /**
  2. * Prepares a list of URLs for diagnostics with simple error messages.
  3. * @param {string[]} urls An array of URLs to check.
  4. * @returns {object} An object containing the URL list and error messages.
  5. */
  6. function prepareURLListForDiagnostics(urls) {
  7. const urlList = urls || []; // Initialize with an empty array if input is null or undefined
  8. const errorMessages = {};
  10. for (const url of urlList) {
  11. try {
  12. // Basic URL validation (you can add more sophisticated checks)
  13. if (typeof url !== 'string' || url.trim() === '') {
  14. errorMessages[url] = "Invalid URL format.";
  15. continue; // Skip to the next URL
  16. }
  18. new URL(url); // Attempt to create a URL object - throws error if invalid
  19. } catch (error) {
  20. errorMessages[url] = `Error: ${error.message}`; // Capture and store the error message
  21. }
  22. }
  24. return { urlList, errorMessages };
  25. }
  27. // Example usage (for testing)
  28. // const urls = ["https://www.google.com", "invalid-url", "https://example.com"];
  29. // const diagnostics = prepareURLListForDiagnostics(urls);
  30. // console.log(diagnostics);

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