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