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- import { millisecondsInHour } from "../constants/index.js";
- import differenceInMilliseconds from "../differenceInMilliseconds/index.js";
- import requiredArgs from "../_lib/requiredArgs/index.js";
- import { getRoundingMethod } from "../_lib/roundingMethods/index.js";
- /**
- * @name differenceInHours
- * @category Hour Helpers
- * @summary Get the number of hours between the given dates.
- *
- * @description
- * Get the number of hours between the given dates.
- *
- * @param {Date|Number} dateLeft - the later date
- * @param {Date|Number} dateRight - the earlier date
- * @param {Object} [options] - an object with options.
- * @param {String} [options.roundingMethod='trunc'] - a rounding method (`ceil`, `floor`, `round` or `trunc`)
- * @returns {Number} the number of hours
- * @throws {TypeError} 2 arguments required
- *
- * @example
- * // How many hours are between 2 July 2014 06:50:00 and 2 July 2014 19:00:00?
- * const result = differenceInHours(
- * new Date(2014, 6, 2, 19, 0),
- * new Date(2014, 6, 2, 6, 50)
- * )
- * //=> 12
- */
- export default function differenceInHours(dateLeft, dateRight, options) {
- requiredArgs(2, arguments);
- var diff = differenceInMilliseconds(dateLeft, dateRight) / millisecondsInHour;
- return getRoundingMethod(options === null || options === void 0 ? void 0 : options.roundingMethod)(diff);
- }
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