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