1. /**
  2. * Wraps date values with a custom wrapper object for error handling and manual overrides.
  3. *
  4. * @param {Date|string|number} dateValue The date value to wrap.
  5. * @returns {object} A wrapper object containing the original date value and methods for accessing/modifying it.
  6. * @throws {TypeError} If the input is not a valid date-like value.
  7. */
  8. function wrapDate(dateValue) {
  9. let date;
  11. try {
  12. date = new Date(dateValue); // Attempt to create a Date object.
  13. } catch (error) {
  14. throw new TypeError("Invalid date value: " + dateValue); //Re-throw as TypeError for consistency
  15. }
  17. // Create the wrapper object.
  18. return {
  19. value: date, // Store the original date value.
  20. toString: function() {
  21. return date.toISOString(); // Return a standardized string representation.
  22. },
  23. getFullYear: function() {
  24. return date.getFullYear();
  25. },
  26. getMonth: function() {
  27. return date.getMonth();
  28. },
  29. getDate: function() {
  30. return date.getDate();
  31. },
  32. setYear: function(year) {
  33. if (typeof year !== 'number') {
  34. throw new TypeError("Year must be a number");
  35. }
  36. this.value.setFullYear(year);
  37. },
  38. setMonth: function(month) {
  39. if (typeof month !== 'number' || month < 0 || month > 11) {
  40. throw new TypeError("Month must be a number between 0 and 11");
  41. }
  42. this.value.setMonth(month);
  43. },
  44. setDate: function(day) {
  45. if (typeof day !== 'number' || day < 1 || day > 31) {
  46. throw new TypeError("Day must be a number between 1 and 31");
  47. }
  48. this.value.setDate(day);
  49. },
  50. setHours: function(hours) {
  51. if (typeof hours !== 'number' || hours < 0 || hours > 23) {
  52. throw new TypeError("Hours must be a number between 0 and 23");
  53. }
  54. this.value.setHours(hours);
  55. },
  56. setMinutes: function(minutes) {
  57. if (typeof minutes !== 'number' || minutes < 0 || minutes > 59) {
  58. throw new TypeError("Minutes must be a number between 0 and 59");
  59. }
  60. this.value.setMinutes(minutes);
  61. },
  62. setSeconds: function(seconds) {
  63. if (typeof seconds !== 'number' || seconds < 0 || seconds > 59) {
  64. throw new TypeError("Seconds must be a number between 0 and 59");
  65. }
  66. this.value.setSeconds(seconds);
  67. },
  68. setMilliseconds: function(milliseconds) {
  69. if (typeof milliseconds !== 'number' || milliseconds < 0 || milliseconds > 999) {
  70. throw new TypeError("Milliseconds must be a number between 0 and 999");
  71. }
  72. this.value.setMilliseconds(milliseconds);
  73. },
  75. // Add more methods as needed for specific date manipulations.
  76. };
  77. }
  79. // Example usage:
  80. // const myDate = wrapDate("2023-10-26");
  81. // console.log(myDate.value.getFullYear());
  82. // myDate.setMonth(11);
  83. // console.log(myDate.toString());

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