184 lines
8.8 KiB
JavaScript
184 lines
8.8 KiB
JavaScript
import { secondsInDay, secondsInHour, secondsInMinute, secondsInMonth, secondsInQuarter, secondsInWeek, secondsInYear } from "../constants/index.js";
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import differenceInCalendarDays from "../differenceInCalendarDays/index.js";
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import differenceInCalendarMonths from "../differenceInCalendarMonths/index.js";
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import differenceInCalendarQuarters from "../differenceInCalendarQuarters/index.js";
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import differenceInCalendarWeeks from "../differenceInCalendarWeeks/index.js";
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import differenceInCalendarYears from "../differenceInCalendarYears/index.js";
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import differenceInHours from "../differenceInHours/index.js";
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import differenceInMinutes from "../differenceInMinutes/index.js";
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import differenceInSeconds from "../differenceInSeconds/index.js";
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import toDate from "../toDate/index.js";
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import requiredArgs from "../_lib/requiredArgs/index.js";
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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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* @param {Date|Number} date - the date
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* @param {Date|Number} baseDate - the date to compare with.
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* @param {Object} [options] - an object with options.
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* @param {String} [options.unit] - formats the distance with the given unit ('year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second').
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* @param {String|String[]} [options.locale] - the locale to use.
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* @param {String} [options.localeMatcher='best fit'] - the locale matching algorithm to use. Other value: 'lookup'.
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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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* @param {String} [options.numeric='auto'] - the output message format. The values are 'auto' (e.g. `yesterday`), 'always'(e.g. `1 day ago`).
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* @param {String} [options.style='long'] - the length of the result. The values are: 'long' (e.g. `1 month`), 'short' (e.g. 'in 1 mo.'), 'narrow' (e.g. 'in 1 mo.').
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* The narrow one could be similar to the short one for some locales.
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* @returns {String} the distance in words according to language-sensitive relative time formatting.
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* @throws {TypeError} 2 arguments required
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* @throws {RangeError} `date` must not be Invalid Date
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* @throws {RangeError} `baseDate` must not be Invalid Date
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* @throws {RangeError} `options.unit` must not be invalid Unit
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* @throws {RangeError} `options.locale` must not be invalid locale
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* @throws {RangeError} `options.localeMatcher` must not be invalid localeMatcher
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* @throws {RangeError} `options.numeric` must not be invalid numeric
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* @throws {RangeError} `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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export default function intlFormatDistance(date, baseDate, options) {
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requiredArgs(2, arguments);
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var value = 0;
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var unit;
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var dateLeft = toDate(date);
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var dateRight = toDate(baseDate);
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if (!(options !== null && options !== void 0 && options.unit)) {
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// Get the unit based on diffInSeconds calculations if no unit is specified
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var diffInSeconds = differenceInSeconds(dateLeft, dateRight); // The smallest unit
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if (Math.abs(diffInSeconds) < secondsInMinute) {
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value = differenceInSeconds(dateLeft, dateRight);
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unit = 'second';
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} else if (Math.abs(diffInSeconds) < secondsInHour) {
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value = differenceInMinutes(dateLeft, dateRight);
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unit = 'minute';
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} else if (Math.abs(diffInSeconds) < secondsInDay && Math.abs(differenceInCalendarDays(dateLeft, dateRight)) < 1) {
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value = differenceInHours(dateLeft, dateRight);
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unit = 'hour';
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} else if (Math.abs(diffInSeconds) < secondsInWeek && (value = differenceInCalendarDays(dateLeft, dateRight)) && Math.abs(value) < 7) {
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unit = 'day';
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} else if (Math.abs(diffInSeconds) < secondsInMonth) {
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value = differenceInCalendarWeeks(dateLeft, dateRight);
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unit = 'week';
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} else if (Math.abs(diffInSeconds) < secondsInQuarter) {
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value = differenceInCalendarMonths(dateLeft, dateRight);
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unit = 'month';
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} else if (Math.abs(diffInSeconds) < secondsInYear) {
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if (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 = differenceInCalendarQuarters(dateLeft, dateRight);
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unit = 'quarter';
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} else {
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value = differenceInCalendarYears(dateLeft, dateRight);
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unit = 'year';
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}
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} else {
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value = 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 === null || options === void 0 ? void 0 : options.unit;
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if (unit === 'second') {
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value = differenceInSeconds(dateLeft, dateRight);
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} else if (unit === 'minute') {
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value = differenceInMinutes(dateLeft, dateRight);
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} else if (unit === 'hour') {
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value = differenceInHours(dateLeft, dateRight);
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} else if (unit === 'day') {
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value = differenceInCalendarDays(dateLeft, dateRight);
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} else if (unit === 'week') {
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value = differenceInCalendarWeeks(dateLeft, dateRight);
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} else if (unit === 'month') {
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value = differenceInCalendarMonths(dateLeft, dateRight);
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} else if (unit === 'quarter') {
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value = differenceInCalendarQuarters(dateLeft, dateRight);
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} else if (unit === 'year') {
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value = differenceInCalendarYears(dateLeft, dateRight);
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}
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}
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var rtf = new Intl.RelativeTimeFormat(options === null || options === void 0 ? void 0 : options.locale, {
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localeMatcher: options === null || options === void 0 ? void 0 : options.localeMatcher,
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numeric: (options === null || options === void 0 ? void 0 : options.numeric) || 'auto',
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style: options === null || options === void 0 ? void 0 : options.style
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});
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return rtf.format(value, unit);
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} |