199 lines
8.1 KiB
JavaScript
199 lines
8.1 KiB
JavaScript
"use strict";
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exports.intlFormatDistance = intlFormatDistance;
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var _index = require("./constants.js");
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var _index2 = require("./differenceInCalendarDays.js");
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var _index3 = require("./differenceInCalendarMonths.js");
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var _index4 = require("./differenceInCalendarQuarters.js");
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var _index5 = require("./differenceInCalendarWeeks.js");
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var _index6 = require("./differenceInCalendarYears.js");
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var _index7 = require("./differenceInHours.js");
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var _index8 = require("./differenceInMinutes.js");
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var _index9 = require("./differenceInSeconds.js");
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var _index10 = require("./toDate.js");
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/**
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* The {@link intlFormatDistance} function options.
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*/
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/**
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* The unit used to format the distance in {@link intlFormatDistance}.
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*/
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/**
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* @name intlFormatDistance
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* @category Common Helpers
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* @summary Formats distance between two dates in a human-readable format
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* @description
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* The function calculates the difference between two dates and formats it as a human-readable string.
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*
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* The function will pick the most appropriate unit depending on the distance between dates. For example, if the distance is a few hours, it might return `x hours`. If the distance is a few months, it might return `x months`.
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*
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* You can also specify a unit to force using it regardless of the distance to get a result like `123456 hours`.
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*
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* See the table below for the unit picking logic:
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*
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* | Distance between dates | Result (past) | Result (future) |
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* | ---------------------- | -------------- | --------------- |
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* | 0 seconds | now | now |
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* | 1-59 seconds | X seconds ago | in X seconds |
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* | 1-59 minutes | X minutes ago | in X minutes |
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* | 1-23 hours | X hours ago | in X hours |
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* | 1 day | yesterday | tomorrow |
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* | 2-6 days | X days ago | in X days |
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* | 7 days | last week | next week |
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* | 8 days-1 month | X weeks ago | in X weeks |
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* | 1 month | last month | next month |
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* | 2-3 months | X months ago | in X months |
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* | 1 quarter | last quarter | next quarter |
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* | 2-3 quarters | X quarters ago | in X quarters |
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* | 1 year | last year | next year |
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* | 2+ years | X years ago | in X years |
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*
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* @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).
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*
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* @param date - The date
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* @param baseDate - The date to compare with.
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* @param options - An object with options.
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* See MDN for details [Locale identification and negotiation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locale_identification_and_negotiation)
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* The narrow one could be similar to the short one for some locales.
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*
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* @returns The distance in words according to language-sensitive relative time formatting.
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*
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* @throws `date` must not be Invalid Date
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* @throws `baseDate` must not be Invalid Date
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* @throws `options.unit` must not be invalid Unit
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* @throws `options.locale` must not be invalid locale
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* @throws `options.localeMatcher` must not be invalid localeMatcher
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* @throws `options.numeric` must not be invalid numeric
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* @throws `options.style` must not be invalid style
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*
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* @example
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* // What is the distance between the dates when the fist date is after the second?
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* intlFormatDistance(
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* new Date(1986, 3, 4, 11, 30, 0),
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* new Date(1986, 3, 4, 10, 30, 0)
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* )
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* //=> 'in 1 hour'
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*
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* // What is the distance between the dates when the fist date is before the second?
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* intlFormatDistance(
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* new Date(1986, 3, 4, 10, 30, 0),
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* new Date(1986, 3, 4, 11, 30, 0)
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* )
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* //=> '1 hour ago'
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*
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* @example
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* // Use the unit option to force the function to output the result in quarters. Without setting it, the example would return "next year"
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* intlFormatDistance(
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* new Date(1987, 6, 4, 10, 30, 0),
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* new Date(1986, 3, 4, 10, 30, 0),
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* { unit: 'quarter' }
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* )
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* //=> 'in 5 quarters'
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*
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* @example
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* // Use the locale option to get the result in Spanish. Without setting it, the example would return "in 1 hour".
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* intlFormatDistance(
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* new Date(1986, 3, 4, 11, 30, 0),
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* new Date(1986, 3, 4, 10, 30, 0),
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* { locale: 'es' }
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* )
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* //=> 'dentro de 1 hora'
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*
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* @example
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* // Use the numeric option to force the function to use numeric values. Without setting it, the example would return "tomorrow".
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* intlFormatDistance(
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* new Date(1986, 3, 5, 11, 30, 0),
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* new Date(1986, 3, 4, 11, 30, 0),
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* { numeric: 'always' }
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* )
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* //=> 'in 1 day'
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*
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* @example
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* // Use the style option to force the function to use short values. Without setting it, the example would return "in 2 years".
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* intlFormatDistance(
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* new Date(1988, 3, 4, 11, 30, 0),
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* new Date(1986, 3, 4, 11, 30, 0),
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* { style: 'short' }
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* )
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* //=> 'in 2 yr'
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*/
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function intlFormatDistance(date, baseDate, options) {
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let value = 0;
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let unit;
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const dateLeft = (0, _index10.toDate)(date);
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const dateRight = (0, _index10.toDate)(baseDate);
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if (!options?.unit) {
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// Get the unit based on diffInSeconds calculations if no unit is specified
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const diffInSeconds = (0, _index9.differenceInSeconds)(dateLeft, dateRight); // The smallest unit
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if (Math.abs(diffInSeconds) < _index.secondsInMinute) {
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value = (0, _index9.differenceInSeconds)(dateLeft, dateRight);
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unit = "second";
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} else if (Math.abs(diffInSeconds) < _index.secondsInHour) {
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value = (0, _index8.differenceInMinutes)(dateLeft, dateRight);
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unit = "minute";
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} else if (
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Math.abs(diffInSeconds) < _index.secondsInDay &&
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Math.abs((0, _index2.differenceInCalendarDays)(dateLeft, dateRight)) < 1
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) {
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value = (0, _index7.differenceInHours)(dateLeft, dateRight);
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unit = "hour";
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} else if (
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Math.abs(diffInSeconds) < _index.secondsInWeek &&
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(value = (0, _index2.differenceInCalendarDays)(dateLeft, dateRight)) &&
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Math.abs(value) < 7
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) {
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unit = "day";
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} else if (Math.abs(diffInSeconds) < _index.secondsInMonth) {
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value = (0, _index5.differenceInCalendarWeeks)(dateLeft, dateRight);
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unit = "week";
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} else if (Math.abs(diffInSeconds) < _index.secondsInQuarter) {
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value = (0, _index3.differenceInCalendarMonths)(dateLeft, dateRight);
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unit = "month";
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} else if (Math.abs(diffInSeconds) < _index.secondsInYear) {
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if ((0, _index4.differenceInCalendarQuarters)(dateLeft, dateRight) < 4) {
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// To filter out cases that are less than a year but match 4 quarters
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value = (0, _index4.differenceInCalendarQuarters)(dateLeft, dateRight);
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unit = "quarter";
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} else {
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value = (0, _index6.differenceInCalendarYears)(dateLeft, dateRight);
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unit = "year";
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}
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} else {
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value = (0, _index6.differenceInCalendarYears)(dateLeft, dateRight);
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unit = "year";
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}
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} else {
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// Get the value if unit is specified
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unit = options?.unit;
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if (unit === "second") {
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value = (0, _index9.differenceInSeconds)(dateLeft, dateRight);
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} else if (unit === "minute") {
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value = (0, _index8.differenceInMinutes)(dateLeft, dateRight);
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} else if (unit === "hour") {
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value = (0, _index7.differenceInHours)(dateLeft, dateRight);
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} else if (unit === "day") {
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value = (0, _index2.differenceInCalendarDays)(dateLeft, dateRight);
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} else if (unit === "week") {
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value = (0, _index5.differenceInCalendarWeeks)(dateLeft, dateRight);
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} else if (unit === "month") {
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value = (0, _index3.differenceInCalendarMonths)(dateLeft, dateRight);
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} else if (unit === "quarter") {
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value = (0, _index4.differenceInCalendarQuarters)(dateLeft, dateRight);
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} else if (unit === "year") {
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value = (0, _index6.differenceInCalendarYears)(dateLeft, dateRight);
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}
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}
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const rtf = new Intl.RelativeTimeFormat(options?.locale, {
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localeMatcher: options?.localeMatcher,
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numeric: options?.numeric || "auto",
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style: options?.style,
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});
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return rtf.format(value, unit);
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}
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