1. /**
  2. * Compares response headers for exploratory work with limited memory usage.
  3. *
  4. * @param {Response} response The Response object to inspect.
  5. * @returns {object} An object containing header comparisons.
  6. */
  7. function compareHeaders(response) {
  8. const headers = response.headers.getValues(); // Get all headers as an array of arrays.
  9. const headerNames = Object.keys(headers[0]); // Get the header names.
  11. const headerComparisons = {};
  13. for (const headerName of headerNames) {
  14. const values = headers.map(header => header.get(headerName)); // Extract values for each header.
  16. // Check if header has at least two values for comparison.
  17. if (values.length >= 2) {
  18. const uniqueValues = [...new Set(values)]; // Remove duplicate values.
  19. if (uniqueValues.length > 1) {
  20. headerComparisons[headerName] = {
  21. values: uniqueValues, // Store the unique header values.
  22. count: values.length //Store the count of values
  23. };
  24. }
  25. }
  26. }
  28. return headerComparisons;
  29. }

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