1. /**
  2. * Validates time values against specified constraints and logs errors.
  3. * @param {Array<Object>} timeData - An array of objects, each with a 'time' property (string or Date object) and optional 'constraint' properties (e.g., 'min', 'max', 'format').
  4. * @param {Object} constraints - An object defining the validation constraints. Example: { min: '08:00', max: '18:00', format: 'HH:mm' }
  5. */
  6. function validateTimeConstraints(timeData, constraints) {
  7. if (!Array.isArray(timeData)) {
  8. console.error("Error: timeData must be an array.");
  9. return;
  10. }
  12. if (typeof constraints !== 'object' || constraints === null) {
  13. console.error("Error: constraints must be an object.");
  14. return;
  15. }
  17. const { min, max, format } = constraints;
  19. if (min !== undefined && max !== undefined) {
  20. // Check min/max constraints
  21. for (const item of timeData) {
  22. if (item.time === undefined || item.time === null) {
  23. console.error("Error: Time value is missing for an item.");
  24. continue;
  25. }
  27. let timeValue = item.time;
  29. if (typeof timeValue === 'string') {
  30. try {
  31. const date = new Date(timeValue);
  32. if (isNaN(date.getTime())) {
  33. console.error(`Error: Invalid time format for ${timeValue}.`);
  34. continue;
  35. }
  36. timeValue = date; //Convert to Date object
  37. } catch (error) {
  38. console.error(`Error: Could not parse time string ${timeValue}: ${error.message}`);
  39. continue;
  40. }
  41. } else if (!(timeValue instanceof Date)){
  42. console.error(`Error: Time value must be a string or Date object for ${timeValue}`);
  43. continue;
  44. }
  47. const minDate = new Date(`00:00:00`);
  48. const maxDate = new Date(`23:59:59`);
  51. if (timeValue < minDate) {
  52. console.error(`${item.time} is before the minimum time (${min}).`);
  53. } else if (timeValue > maxDate) {
  54. console.error(`${item.time} is after the maximum time (${max}).`);
  55. }
  56. }
  57. }
  59. if (format) {
  60. // Check format constraints
  61. for (const item of timeData) {
  62. if (item.time === undefined || item.time === null) {
  63. console.error("Error: Time value is missing for an item.");
  64. continue;
  65. }
  67. let timeValue = item.time;
  69. if (typeof timeValue === 'string') {
  70. try {
  71. const date = new Date(timeValue);
  72. if (isNaN(date.getTime())) {
  73. console.error(`Error: Invalid time format for ${timeValue}.`);
  74. continue;
  75. }
  76. timeValue = date; //Convert to Date object
  77. } catch (error) {
  78. console.error(`Error: Could not parse time string ${timeValue}: ${error.message}`);
  79. continue;
  80. }
  82. const formattedTime = timeValue.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
  83. if (formattedTime !== format) {
  84. console.error(`Error: Time format ${timeValue} does not match the expected format ${format}.`);
  85. }
  86. }
  87. }
  88. }
  89. }

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