1. /**
  2. * Paginate environment variables for isolated environments.
  3. * @param {Array<string>} envVars Array of environment variable names.
  4. * @param {number} pageSize Number of environment variables to display per page.
  5. * @param {number} page Number of the page to display (1-based).
  6. * @returns {object} An object containing the paginated results, total pages, and error messages.
  7. */
  8. function paginateEnvVars(envVars, pageSize, page) {
  9. if (!Array.isArray(envVars)) {
  10. return { error: "Error: envVars must be an array." };
  11. }
  13. if (typeof pageSize !== 'number' || pageSize <= 0) {
  14. return { error: "Error: pageSize must be a positive number." };
  15. }
  17. if (typeof page !== 'number' || page < 1) {
  18. return { error: "Error: page must be a positive integer." };
  19. }
  21. const totalItems = envVars.length;
  22. const totalPages = Math.ceil(totalItems / pageSize);
  24. if (page > totalPages) {
  25. return { error: "Error: page number exceeds the total number of pages." };
  26. }
  28. const startIndex = (page - 1) * pageSize;
  29. const endIndex = startIndex + pageSize;
  30. const pageResults = envVars.slice(startIndex, endIndex);
  32. return {
  33. pageResults: pageResults,
  34. totalPages: totalPages,
  35. currentPage: page,
  36. error: null,
  37. };
  38. }

Add your comment