set.js 2.2 KB

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  1. "use strict";
  2. exports.set = set;
  3. var _index = require("./constructFrom.js");
  4. var _index2 = require("./setMonth.js");
  5. var _index3 = require("./toDate.js");
  6. /**
  7. * @name set
  8. * @category Common Helpers
  9. * @summary Set date values to a given date.
  10. *
  11. * @description
  12. * Set date values to a given date.
  13. *
  14. * Sets time values to date from object `values`.
  15. * A value is not set if it is undefined or null or doesn't exist in `values`.
  16. *
  17. * Note about bundle size: `set` does not internally use `setX` functions from date-fns but instead opts
  18. * to use native `Date#setX` methods. If you use this function, you may not want to include the
  19. * other `setX` functions that date-fns provides if you are concerned about the bundle size.
  20. *
  21. * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
  22. *
  23. * @param date - The date to be changed
  24. * @param values - The date values to be set
  25. *
  26. * @returns The new date with options set
  27. *
  28. * @example
  29. * // Transform 1 September 2014 into 20 October 2015 in a single line:
  30. * const result = set(new Date(2014, 8, 20), { year: 2015, month: 9, date: 20 })
  31. * //=> Tue Oct 20 2015 00:00:00
  32. *
  33. * @example
  34. * // Set 12 PM to 1 September 2014 01:23:45 to 1 September 2014 12:00:00:
  35. * const result = set(new Date(2014, 8, 1, 1, 23, 45), { hours: 12 })
  36. * //=> Mon Sep 01 2014 12:23:45
  37. */
  38. function set(date, values) {
  39. let _date = (0, _index3.toDate)(date);
  40. // Check if date is Invalid Date because Date.prototype.setFullYear ignores the value of Invalid Date
  41. if (isNaN(+_date)) {
  42. return (0, _index.constructFrom)(date, NaN);
  43. }
  44. if (values.year != null) {
  45. _date.setFullYear(values.year);
  46. }
  47. if (values.month != null) {
  48. _date = (0, _index2.setMonth)(_date, values.month);
  49. }
  50. if (values.date != null) {
  51. _date.setDate(values.date);
  52. }
  53. if (values.hours != null) {
  54. _date.setHours(values.hours);
  55. }
  56. if (values.minutes != null) {
  57. _date.setMinutes(values.minutes);
  58. }
  59. if (values.seconds != null) {
  60. _date.setSeconds(values.seconds);
  61. }
  62. if (values.milliseconds != null) {
  63. _date.setMilliseconds(values.milliseconds);
  64. }
  65. return _date;
  66. }