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- "use strict";
- var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = differenceInBusinessDays;
- var _index = _interopRequireDefault(require("../addDays/index.js"));
- var _index2 = _interopRequireDefault(require("../differenceInCalendarDays/index.js"));
- var _index3 = _interopRequireDefault(require("../isSameDay/index.js"));
- var _index4 = _interopRequireDefault(require("../isValid/index.js"));
- var _index5 = _interopRequireDefault(require("../isWeekend/index.js"));
- var _index6 = _interopRequireDefault(require("../toDate/index.js"));
- var _index7 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
- var _index8 = _interopRequireDefault(require("../_lib/toInteger/index.js"));
- /**
- * @name differenceInBusinessDays
- * @category Day Helpers
- * @summary Get the number of business days between the given dates.
- *
- * @description
- * Get the number of business day periods between the given dates.
- * Business days being days that arent in the weekend.
- * Like `differenceInCalendarDays`, the function removes the times from
- * the dates before calculating the difference.
- *
- * @param {Date|Number} dateLeft - the later date
- * @param {Date|Number} dateRight - the earlier date
- * @returns {Number} the number of business days
- * @throws {TypeError} 2 arguments required
- *
- * @example
- * // How many business days are between
- * // 10 January 2014 and 20 July 2014?
- * const result = differenceInBusinessDays(
- * new Date(2014, 6, 20),
- * new Date(2014, 0, 10)
- * )
- * //=> 136
- *
- * // How many business days are between
- * // 30 November 2021 and 1 November 2021?
- * const result = differenceInBusinessDays(
- * new Date(2021, 10, 30),
- * new Date(2021, 10, 1)
- * )
- * //=> 21
- *
- * // How many business days are between
- * // 1 November 2021 and 1 December 2021?
- * const result = differenceInBusinessDays(
- * new Date(2021, 10, 1),
- * new Date(2021, 11, 1)
- * )
- * //=> -22
- *
- * // How many business days are between
- * // 1 November 2021 and 1 November 2021 ?
- * const result = differenceInBusinessDays(
- * new Date(2021, 10, 1),
- * new Date(2021, 10, 1)
- * )
- * //=> 0
- */
- function differenceInBusinessDays(dirtyDateLeft, dirtyDateRight) {
- (0, _index7.default)(2, arguments);
- var dateLeft = (0, _index6.default)(dirtyDateLeft);
- var dateRight = (0, _index6.default)(dirtyDateRight);
- if (!(0, _index4.default)(dateLeft) || !(0, _index4.default)(dateRight)) return NaN;
- var calendarDifference = (0, _index2.default)(dateLeft, dateRight);
- var sign = calendarDifference < 0 ? -1 : 1;
- var weeks = (0, _index8.default)(calendarDifference / 7);
- var result = weeks * 5;
- dateRight = (0, _index.default)(dateRight, weeks * 7);
- // the loop below will run at most 6 times to account for the remaining days that don't makeup a full week
- while (!(0, _index3.default)(dateLeft, dateRight)) {
- // sign is used to account for both negative and positive differences
- result += (0, _index5.default)(dateRight) ? 0 : sign;
- dateRight = (0, _index.default)(dateRight, sign);
- }
- return result === 0 ? 0 : result;
- }
- module.exports = exports.default;
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