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- "use strict";
- var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = getUTCISOWeek;
- var _index = _interopRequireDefault(require("../../toDate/index.js"));
- var _index2 = _interopRequireDefault(require("../startOfUTCISOWeek/index.js"));
- var _index3 = _interopRequireDefault(require("../startOfUTCISOWeekYear/index.js"));
- var _index4 = _interopRequireDefault(require("../requiredArgs/index.js"));
- var MILLISECONDS_IN_WEEK = 604800000;
- function getUTCISOWeek(dirtyDate) {
- (0, _index4.default)(1, arguments);
- var date = (0, _index.default)(dirtyDate);
- var diff = (0, _index2.default)(date).getTime() - (0, _index3.default)(date).getTime();
- // Round the number of days to the nearest integer
- // because the number of milliseconds in a week is not constant
- // (e.g. it's different in the week of the daylight saving time clock shift)
- return Math.round(diff / MILLISECONDS_IN_WEEK) + 1;
- }
- module.exports = exports.default;
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