formatDistance.d.mts 4.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596
  1. import type { LocalizedOptions } from "./types.js";
  2. /**
  3. * The {@link formatDistance} function options.
  4. */
  5. export interface FormatDistanceOptions
  6. extends LocalizedOptions<"formatDistance"> {
  7. /** Distances less than a minute are more detailed */
  8. includeSeconds?: boolean;
  9. /** Add "X ago"/"in X" in the locale language */
  10. addSuffix?: boolean;
  11. }
  12. /**
  13. * @name formatDistance
  14. * @category Common Helpers
  15. * @summary Return the distance between the given dates in words.
  16. *
  17. * @description
  18. * Return the distance between the given dates in words.
  19. *
  20. * | Distance between dates | Result |
  21. * |-------------------------------------------------------------------|---------------------|
  22. * | 0 ... 30 secs | less than a minute |
  23. * | 30 secs ... 1 min 30 secs | 1 minute |
  24. * | 1 min 30 secs ... 44 mins 30 secs | [2..44] minutes |
  25. * | 44 mins ... 30 secs ... 89 mins 30 secs | about 1 hour |
  26. * | 89 mins 30 secs ... 23 hrs 59 mins 30 secs | about [2..24] hours |
  27. * | 23 hrs 59 mins 30 secs ... 41 hrs 59 mins 30 secs | 1 day |
  28. * | 41 hrs 59 mins 30 secs ... 29 days 23 hrs 59 mins 30 secs | [2..30] days |
  29. * | 29 days 23 hrs 59 mins 30 secs ... 44 days 23 hrs 59 mins 30 secs | about 1 month |
  30. * | 44 days 23 hrs 59 mins 30 secs ... 59 days 23 hrs 59 mins 30 secs | about 2 months |
  31. * | 59 days 23 hrs 59 mins 30 secs ... 1 yr | [2..12] months |
  32. * | 1 yr ... 1 yr 3 months | about 1 year |
  33. * | 1 yr 3 months ... 1 yr 9 month s | over 1 year |
  34. * | 1 yr 9 months ... 2 yrs | almost 2 years |
  35. * | N yrs ... N yrs 3 months | about N years |
  36. * | N yrs 3 months ... N yrs 9 months | over N years |
  37. * | N yrs 9 months ... N+1 yrs | almost N+1 years |
  38. *
  39. * With `options.includeSeconds == true`:
  40. * | Distance between dates | Result |
  41. * |------------------------|----------------------|
  42. * | 0 secs ... 5 secs | less than 5 seconds |
  43. * | 5 secs ... 10 secs | less than 10 seconds |
  44. * | 10 secs ... 20 secs | less than 20 seconds |
  45. * | 20 secs ... 40 secs | half a minute |
  46. * | 40 secs ... 60 secs | less than a minute |
  47. * | 60 secs ... 90 secs | 1 minute |
  48. *
  49. * @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).
  50. *
  51. * @param date - The date
  52. * @param baseDate - The date to compare with
  53. * @param options - An object with options
  54. *
  55. * @returns The distance in words
  56. *
  57. * @throws `date` must not be Invalid Date
  58. * @throws `baseDate` must not be Invalid Date
  59. * @throws `options.locale` must contain `formatDistance` property
  60. *
  61. * @example
  62. * // What is the distance between 2 July 2014 and 1 January 2015?
  63. * const result = formatDistance(new Date(2014, 6, 2), new Date(2015, 0, 1))
  64. * //=> '6 months'
  65. *
  66. * @example
  67. * // What is the distance between 1 January 2015 00:00:15
  68. * // and 1 January 2015 00:00:00, including seconds?
  69. * const result = formatDistance(
  70. * new Date(2015, 0, 1, 0, 0, 15),
  71. * new Date(2015, 0, 1, 0, 0, 0),
  72. * { includeSeconds: true }
  73. * )
  74. * //=> 'less than 20 seconds'
  75. *
  76. * @example
  77. * // What is the distance from 1 January 2016
  78. * // to 1 January 2015, with a suffix?
  79. * const result = formatDistance(new Date(2015, 0, 1), new Date(2016, 0, 1), {
  80. * addSuffix: true
  81. * })
  82. * //=> 'about 1 year ago'
  83. *
  84. * @example
  85. * // What is the distance between 1 August 2016 and 1 January 2015 in Esperanto?
  86. * import { eoLocale } from 'date-fns/locale/eo'
  87. * const result = formatDistance(new Date(2016, 7, 1), new Date(2015, 0, 1), {
  88. * locale: eoLocale
  89. * })
  90. * //=> 'pli ol 1 jaro'
  91. */
  92. export declare function formatDistance<DateType extends Date>(
  93. date: DateType | number | string,
  94. baseDate: DateType | number | string,
  95. options?: FormatDistanceOptions,
  96. ): string;