From e4fa1e69e7ebfb627c7198fd1a9881e9327ec4d4 Mon Sep 17 00:00:00 2001 From: Pinapelz Date: Sat, 28 Jun 2025 17:26:46 -0700 Subject: initial commit: scaffolding --- node_modules/date-fns/getISOWeeksInYear/index.js | 42 ++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 node_modules/date-fns/getISOWeeksInYear/index.js (limited to 'node_modules/date-fns/getISOWeeksInYear/index.js') diff --git a/node_modules/date-fns/getISOWeeksInYear/index.js b/node_modules/date-fns/getISOWeeksInYear/index.js new file mode 100644 index 0000000..e6d05c6 --- /dev/null +++ b/node_modules/date-fns/getISOWeeksInYear/index.js @@ -0,0 +1,42 @@ +"use strict"; + +var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default; +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = getISOWeeksInYear; +var _index = _interopRequireDefault(require("../startOfISOWeekYear/index.js")); +var _index2 = _interopRequireDefault(require("../addWeeks/index.js")); +var _index3 = _interopRequireDefault(require("../_lib/requiredArgs/index.js")); +var MILLISECONDS_IN_WEEK = 604800000; + +/** + * @name getISOWeeksInYear + * @category ISO Week-Numbering Year Helpers + * @summary Get the number of weeks in an ISO week-numbering year of the given date. + * + * @description + * Get the number of weeks in an ISO week-numbering year of the given date. + * + * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date + * + * @param {Date|Number} date - the given date + * @returns {Number} the number of ISO weeks in a year + * @throws {TypeError} 1 argument required + * + * @example + * // How many weeks are in ISO week-numbering year 2015? + * const result = getISOWeeksInYear(new Date(2015, 1, 11)) + * //=> 53 + */ +function getISOWeeksInYear(dirtyDate) { + (0, _index3.default)(1, arguments); + var thisYear = (0, _index.default)(dirtyDate); + var nextYear = (0, _index.default)((0, _index2.default)(thisYear, 60)); + var diff = nextYear.valueOf() - thisYear.valueOf(); + // Round the number of weeks 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); +} +module.exports = exports.default; \ No newline at end of file -- cgit v1.2.3