index.js 1.6 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 = addISOWeekYears;
  7. var _index = _interopRequireDefault(require("../_lib/toInteger/index.js"));
  8. var _index2 = _interopRequireDefault(require("../getISOWeekYear/index.js"));
  9. var _index3 = _interopRequireDefault(require("../setISOWeekYear/index.js"));
  10. var _index4 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
  11. /**
  12. * @name addISOWeekYears
  13. * @category ISO Week-Numbering Year Helpers
  14. * @summary Add the specified number of ISO week-numbering years to the given date.
  15. *
  16. * @description
  17. * Add the specified number of ISO week-numbering years to the given date.
  18. *
  19. * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
  20. *
  21. * @param {Date|Number} date - the date to be changed
  22. * @param {Number} amount - the amount of ISO week-numbering years to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.
  23. * @returns {Date} the new date with the ISO week-numbering years added
  24. * @throws {TypeError} 2 arguments required
  25. *
  26. * @example
  27. * // Add 5 ISO week-numbering years to 2 July 2010:
  28. * const result = addISOWeekYears(new Date(2010, 6, 2), 5)
  29. * //=> Fri Jun 26 2015 00:00:00
  30. */
  31. function addISOWeekYears(dirtyDate, dirtyAmount) {
  32. (0, _index4.default)(2, arguments);
  33. var amount = (0, _index.default)(dirtyAmount);
  34. return (0, _index3.default)(dirtyDate, (0, _index2.default)(dirtyDate) + amount);
  35. }
  36. module.exports = exports.default;