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71
frontend/style/node_modules/date-fns/differenceInDays.js
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vendored
71
frontend/style/node_modules/date-fns/differenceInDays.js
generated
vendored
@@ -1,7 +1,9 @@
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"use strict";
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exports.differenceInDays = differenceInDays;
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var _index = require("./differenceInCalendarDays.js");
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var _index2 = require("./toDate.js");
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import { normalizeDates } from "./_lib/normalizeDates.js";
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import { differenceInCalendarDays } from "./differenceInCalendarDays.js";
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/**
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* The {@link differenceInDays} function options.
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*/
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/**
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* @name differenceInDays
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@@ -19,10 +21,9 @@ var _index2 = require("./toDate.js");
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* To ignore DST and only measure exact 24-hour periods, use this instead:
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* `Math.trunc(differenceInHours(dateLeft, dateRight)/24)|0`.
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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 dateLeft - The later date
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* @param dateRight - The earlier date
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* @param laterDate - The later date
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* @param earlierDate - The earlier date
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* @param options - An object with options
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*
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* @returns The number of full days according to the local timezone
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*
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@@ -57,22 +58,26 @@ var _index2 = require("./toDate.js");
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* )
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* //=> 92
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*/
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function differenceInDays(dateLeft, dateRight) {
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const _dateLeft = (0, _index2.toDate)(dateLeft);
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const _dateRight = (0, _index2.toDate)(dateRight);
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const sign = compareLocalAsc(_dateLeft, _dateRight);
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const difference = Math.abs(
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(0, _index.differenceInCalendarDays)(_dateLeft, _dateRight),
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export function differenceInDays(laterDate, earlierDate, options) {
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const [laterDate_, earlierDate_] = normalizeDates(
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options?.in,
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laterDate,
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earlierDate,
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);
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_dateLeft.setDate(_dateLeft.getDate() - sign * difference);
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const sign = compareLocalAsc(laterDate_, earlierDate_);
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const difference = Math.abs(
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differenceInCalendarDays(laterDate_, earlierDate_),
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);
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laterDate_.setDate(laterDate_.getDate() - sign * difference);
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// Math.abs(diff in full days - diff in calendar days) === 1 if last calendar day is not full
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// If so, result must be decreased by 1 in absolute value
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const isLastDayNotFull = Number(
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compareLocalAsc(_dateLeft, _dateRight) === -sign,
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compareLocalAsc(laterDate_, earlierDate_) === -sign,
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);
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const result = sign * (difference - isLastDayNotFull);
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// Prevent negative zero
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return result === 0 ? 0 : result;
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@@ -82,22 +87,22 @@ function differenceInDays(dateLeft, dateRight) {
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// for accurate equality comparisons of UTC timestamps that end up
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// having the same representation in local time, e.g. one hour before
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// DST ends vs. the instant that DST ends.
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function compareLocalAsc(dateLeft, dateRight) {
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function compareLocalAsc(laterDate, earlierDate) {
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const diff =
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dateLeft.getFullYear() - dateRight.getFullYear() ||
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dateLeft.getMonth() - dateRight.getMonth() ||
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dateLeft.getDate() - dateRight.getDate() ||
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dateLeft.getHours() - dateRight.getHours() ||
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dateLeft.getMinutes() - dateRight.getMinutes() ||
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dateLeft.getSeconds() - dateRight.getSeconds() ||
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dateLeft.getMilliseconds() - dateRight.getMilliseconds();
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laterDate.getFullYear() - earlierDate.getFullYear() ||
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laterDate.getMonth() - earlierDate.getMonth() ||
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laterDate.getDate() - earlierDate.getDate() ||
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laterDate.getHours() - earlierDate.getHours() ||
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laterDate.getMinutes() - earlierDate.getMinutes() ||
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laterDate.getSeconds() - earlierDate.getSeconds() ||
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laterDate.getMilliseconds() - earlierDate.getMilliseconds();
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if (diff < 0) {
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return -1;
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} else if (diff > 0) {
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return 1;
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// Return 0 if diff is 0; return NaN if diff is NaN
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} else {
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return diff;
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}
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if (diff < 0) return -1;
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if (diff > 0) return 1;
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// Return 0 if diff is 0; return NaN if diff is NaN
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return diff;
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}
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// Fallback for modularized imports:
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export default differenceInDays;
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