formatDistance.d.cts 4.2 KB

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