Marc Mintel
5397309103
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45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
import { normalizeDates } from "./_lib/normalizeDates.js";
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import { getQuarter } from "./getQuarter.js";
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/**
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* The {@link differenceInCalendarQuarters} function options.
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*/
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/**
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* @name differenceInCalendarQuarters
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* @category Quarter Helpers
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* @summary Get the number of calendar quarters between the given dates.
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*
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* @description
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* Get the number of calendar quarters between the given dates.
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*
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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 calendar quarters
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*
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* @example
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* // How many calendar quarters are between 31 December 2013 and 2 July 2014?
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* const result = differenceInCalendarQuarters(
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* new Date(2014, 6, 2),
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* new Date(2013, 11, 31)
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* )
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* //=> 3
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*/
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export function differenceInCalendarQuarters(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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const yearsDiff = laterDate_.getFullYear() - earlierDate_.getFullYear();
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const quartersDiff = getQuarter(laterDate_) - getQuarter(earlierDate_);
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return yearsDiff * 4 + quartersDiff;
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}
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// Fallback for modularized imports:
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export default differenceInCalendarQuarters;
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