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@progress/kendo-date-math

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Kendo UI typescript package exporting functions for Date manipulations

github.com/telerik/kendo-date-math

telerik/kendo-date-math

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/** * A function that calculates duration in years between two `Date` objects. * * @param start - The start date value. * @param end - The end date value. * @returns - The duration in years. * * @example * ```ts-no-run * durationInYears(new Date(2016, 0, 1), new Date(2028, 0, 1)); // 12 * durationInYears(new Date(2016, 0, 1), new Date(2022, 0, 1)); // 6 * durationInYears(new Date(2016, 0, 1), new Date(2016, 0, 1)); // 0 * ``` */ export const durationInYears = (start, end) => (end.getFullYear() - start.getFullYear());