1. /**
  2. * Paginate a list of records for quick fixes with error logging.
  3. *
  4. * @param {Array} records - The array of records to paginate.
  5. * @param {number} pageSize - The number of records to display per page.
  6. * @param {number} pageNumber - The page number to display (1-based).
  7. * @returns {object} An object containing the paginated records, total pages, and error (if any).
  8. */
  9. function paginateRecords(records, pageSize, pageNumber) {
  10. if (!Array.isArray(records)) {
  11. console.error("Error: records must be an array.");
  12. return { records: [], totalPages: 0, error: "Invalid records input." };
  13. }
  15. if (typeof pageSize !== 'number' || pageSize <= 0) {
  16. console.error("Error: pageSize must be a positive number.");
  17. return { records: [], totalPages: 0, error: "Invalid pageSize input." };
  18. }
  20. if (typeof pageNumber !== 'number' || pageNumber <= 0) {
  21. console.error("Error: pageNumber must be a positive number.");
  22. return { records: [], totalPages: 0, error: "Invalid pageNumber input." };
  23. }
  25. const startIndex = (pageNumber - 1) * pageSize;
  26. const endIndex = startIndex + pageSize;
  28. if (startIndex >= records.length) {
  29. return { records: [], totalPages: 0, error: "Page number exceeds the number of records." };
  30. }
  32. const paginatedRecords = records.slice(startIndex, endIndex);
  33. const totalRecords = records.length;
  34. const totalPages = Math.ceil(totalRecords / pageSize);
  36. return {
  37. records: paginatedRecords,
  38. totalPages: totalPages,
  39. error: null,
  40. };
  41. }

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