25 lines
848 B
TypeScript
25 lines
848 B
TypeScript
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/**
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* @name differenceInYears
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* @category Year Helpers
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* @summary Get the number of full years between the given dates.
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*
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* @description
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* Get the number of full years 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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*
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* @returns The number of full years
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*
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* @example
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* // How many full years are between 31 December 2013 and 11 February 2015?
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* const result = differenceInYears(new Date(2015, 1, 11), new Date(2013, 11, 31))
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* //=> 1
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*/
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export declare function differenceInYears<DateType extends Date>(
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dateLeft: DateType | number | string,
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dateRight: DateType | number | string,
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): number;
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