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Diffstat (limited to 'node_modules/date-fns/esm/differenceInCalendarYears/index.js')
| -rw-r--r-- | node_modules/date-fns/esm/differenceInCalendarYears/index.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/date-fns/esm/differenceInCalendarYears/index.js b/node_modules/date-fns/esm/differenceInCalendarYears/index.js new file mode 100644 index 0000000..0192d30 --- /dev/null +++ b/node_modules/date-fns/esm/differenceInCalendarYears/index.js @@ -0,0 +1,29 @@ +import toDate from "../toDate/index.js"; +import requiredArgs from "../_lib/requiredArgs/index.js"; +/** + * @name differenceInCalendarYears + * @category Year Helpers + * @summary Get the number of calendar years between the given dates. + * + * @description + * Get the number of calendar years between the given dates. + * + * @param {Date|Number} dateLeft - the later date + * @param {Date|Number} dateRight - the earlier date + * @returns {Number} the number of calendar years + * @throws {TypeError} 2 arguments required + * + * @example + * // How many calendar years are between 31 December 2013 and 11 February 2015? + * const result = differenceInCalendarYears( + * new Date(2015, 1, 11), + * new Date(2013, 11, 31) + * ) + * //=> 2 + */ +export default function differenceInCalendarYears(dirtyDateLeft, dirtyDateRight) { + requiredArgs(2, arguments); + var dateLeft = toDate(dirtyDateLeft); + var dateRight = toDate(dirtyDateRight); + return dateLeft.getFullYear() - dateRight.getFullYear(); +}
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