36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
import { getRoundingMethod } from "./_lib/getRoundingMethod.mjs";
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import { differenceInMonths } from "./differenceInMonths.mjs";
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/**
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* The {@link differenceInQuarters} function options.
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*/
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/**
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* @name differenceInQuarters
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* @category Quarter Helpers
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* @summary Get the number of quarters between the given dates.
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*
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* @description
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* Get the number of quarters between the given dates.
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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 options - An object with options.
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*
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* @returns The number of full quarters
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*
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* @example
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* // How many full quarters are between 31 December 2013 and 2 July 2014?
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* const result = differenceInQuarters(new Date(2014, 6, 2), new Date(2013, 11, 31))
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* //=> 2
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*/
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export function differenceInQuarters(dateLeft, dateRight, options) {
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const diff = differenceInMonths(dateLeft, dateRight) / 3;
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return getRoundingMethod(options?.roundingMethod)(diff);
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}
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// Fallback for modularized imports:
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export default differenceInQuarters;
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