1. /**
  2. * Monitors JSON payloads for isolated environments with error logging.
  3. *
  4. * @param {string} endpoint - The URL of the endpoint to monitor.
  5. * @param {function} onPayload - Callback function to handle received payloads.
  6. * @param {function} onError - Callback function to handle errors.
  7. */
  8. function monitorJsonPayloads(endpoint, onPayload, onError) {
  9. try {
  10. const xhr = new XMLHttpRequest();
  12. xhr.open('GET', endpoint, true);
  13. xhr.onload = function() {
  14. if (xhr.status >= 200 && xhr.status < 300) {
  15. try {
  16. const payload = JSON.parse(xhr.responseText);
  17. onPayload(payload); // Handle the payload
  18. } catch (parseError) {
  19. onError(`Error parsing JSON: ${parseError.message}`);
  20. }
  21. } else {
  22. onError(`Request failed with status: ${xhr.status}`);
  23. }
  24. };
  26. xhr.onerror = function() {
  27. onError('Network error during request.');
  28. };
  30. xhr.send();
  32. } catch (error) {
  33. onError(`An unexpected error occurred: ${error.message}`);
  34. }
  35. }
  37. // Example usage:
  38. // monitorJsonPayloads('https://your-isolated-endpoint.com/data', (payload) => {
  39. // console.log('Received payload:', payload);
  40. // }, (error) => {
  41. // console.error('Error:', error);
  42. // });

Add your comment