Blame view

天文台pc/tianwentai-ui/node_modules/date-fns/getDaysInYear.mjs 911 Bytes
bc518174   王天杨   提交两个项目文件
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
  import { isLeapYear } from "./isLeapYear.mjs";
  import { toDate } from "./toDate.mjs";
  
  /**
   * @name getDaysInYear
   * @category Year Helpers
   * @summary Get the number of days in a year of the given date.
   *
   * @description
   * Get the number of days in a year of the given date.
   *
   * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
   *
   * @param date - The given date
   *
   * @returns The number of days in a year
   *
   * @example
   * // How many days are in 2012?
   * const result = getDaysInYear(new Date(2012, 0, 1))
   * //=> 366
   */
  export function getDaysInYear(date) {
    const _date = toDate(date);
  
    if (String(new Date(_date)) === "Invalid Date") {
      return NaN;
    }
  
    return isLeapYear(_date) ? 366 : 365;
  }
  
  // Fallback for modularized imports:
  export default getDaysInYear;