23 lines
640 B
TypeScript
23 lines
640 B
TypeScript
/**
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* @name getDecade
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* @category Decade Helpers
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* @summary Get the decade of the given date.
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*
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* @description
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* Get the decade of the given date.
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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 date - The given date
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*
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* @returns The year of decade
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*
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* @example
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* // Which decade belongs 27 November 1942?
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* const result = getDecade(new Date(1942, 10, 27))
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* //=> 1940
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*/
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export declare function getDecade<DateType extends Date>(
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date: DateType | number | string,
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): number;
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