index.js 1.1 KB

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  1. "use strict";
  2. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
  3. Object.defineProperty(exports, "__esModule", {
  4. value: true
  5. });
  6. exports.default = startOfISOWeek;
  7. var _index = _interopRequireDefault(require("../startOfWeek/index.js"));
  8. var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
  9. /**
  10. * @name startOfISOWeek
  11. * @category ISO Week Helpers
  12. * @summary Return the start of an ISO week for the given date.
  13. *
  14. * @description
  15. * Return the start of an ISO week for the given date.
  16. * The result will be in the local timezone.
  17. *
  18. * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
  19. *
  20. * @param {Date|Number} date - the original date
  21. * @returns {Date} the start of an ISO week
  22. * @throws {TypeError} 1 argument required
  23. *
  24. * @example
  25. * // The start of an ISO week for 2 September 2014 11:55:00:
  26. * const result = startOfISOWeek(new Date(2014, 8, 2, 11, 55, 0))
  27. * //=> Mon Sep 01 2014 00:00:00
  28. */
  29. function startOfISOWeek(dirtyDate) {
  30. (0, _index2.default)(1, arguments);
  31. return (0, _index.default)(dirtyDate, {
  32. weekStartsOn: 1
  33. });
  34. }
  35. module.exports = exports.default;