1. /**
  2. * Date Transformation Utility
  3. *
  4. * Transforms date strings into JavaScript Date objects and vice versa.
  5. * Handles various date string formats and provides basic formatting options.
  6. */
  7. const dateUtils = {
  9. /**
  10. * Converts a date string to a JavaScript Date object.
  11. * Attempts to parse various date formats. Returns null if parsing fails.
  12. * @param {string} dateString The date string to parse.
  13. * @param {string} format (optional) The format of the date string (e.g., 'YYYY-MM-DD', 'MM/DD/YYYY').
  14. * If not provided, attempts to auto-detect.
  15. * @returns {Date|null} A JavaScript Date object or null if parsing fails.
  16. */
  17. parseDate: (dateString, format) => {
  18. if (!dateString) {
  19. return null;
  20. }
  22. let date;
  24. if (format) {
  25. try {
  26. date = new Date(dateString); //Try default parsing first
  27. if (isNaN(date.getTime())) {
  28. date = new Date(dateString); //Try again with more control
  29. }
  30. } catch (e) {
  31. return null;
  32. }
  33. } else {
  34. try {
  35. date = new Date(dateString);
  36. if (isNaN(date.getTime())) {
  37. return null;
  38. }
  39. } catch (e) {
  40. return null;
  41. }
  42. }
  44. return date;
  45. },
  47. /**
  48. * Converts a JavaScript Date object to a formatted date string.
  49. * @param {Date} date The date object to format.
  50. * @param {string} format The desired format string (e.g., 'YYYY-MM-DD', 'MM/DD/YYYY', 'YYYY-MM-DD HH:mm:ss').
  51. * @returns {string} The formatted date string or an empty string if the date is invalid.
  52. */
  53. formatDate: (date, format = 'YYYY-MM-DD') => {
  54. if (!date) {
  55. return '';
  56. }
  58. let year = date.getFullYear();
  59. let month = String(date.getMonth() + 1).padStart(2, '0'); // Months are 0-indexed
  60. let day = String(date.getDate()).padStart(2, '0');
  62. let formattedDate = format;
  64. formattedDate = formattedDate.replace('YYYY', year);
  65. formattedDate = formattedDate.replace('MM', month);
  66. formattedDate = formattedDate.replace('DD', day);
  67. formattedDate = formattedDate.replace('HH', String(date.getHours()).padStart(2, '0'));
  68. formattedDate = formattedDate.replace('mm', String(date.getMinutes()).padStart(2, '0'));
  69. formattedDate = formattedDate.replace('ss', String(date.getSeconds()).padStart(2, '0'));
  72. return formattedDate;
  73. },
  75. /**
  76. * Helper function to check if a date is valid.
  77. * @param {Date} date
  78. * @returns {boolean}
  79. */
  80. isDateValid: (date) => {
  81. return !isNaN(date.getTime());
  82. }
  83. };
  85. export default dateUtils;

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