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 = getDaysInYear;
  7. var _index = _interopRequireDefault(require("../toDate/index.js"));
  8. var _index2 = _interopRequireDefault(require("../isLeapYear/index.js"));
  9. var _index3 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
  10. /**
  11. * @name getDaysInYear
  12. * @category Year Helpers
  13. * @summary Get the number of days in a year of the given date.
  14. *
  15. * @description
  16. * Get the number of days in a year of the given date.
  17. *
  18. * @param {Date|Number} date - the given date
  19. * @returns {Number} the number of days in a year
  20. * @throws {TypeError} 1 argument required
  21. *
  22. * @example
  23. * // How many days are in 2012?
  24. * const result = getDaysInYear(new Date(2012, 0, 1))
  25. * //=> 366
  26. */
  27. function getDaysInYear(dirtyDate) {
  28. (0, _index3.default)(1, arguments);
  29. var date = (0, _index.default)(dirtyDate);
  30. if (String(new Date(date)) === 'Invalid Date') {
  31. return NaN;
  32. }
  33. return (0, _index2.default)(date) ? 366 : 365;
  34. }
  35. module.exports = exports.default;