/** The number of digits after the decimal point after seconds, defaults to 0 */
6
fractionDigits?: 0 | 1 | 2 | 3;
7
}
8
/**
9
* @name formatRFC3339
10
* @category Common Helpers
11
* @summary Format the date according to the RFC 3339 standard (https://tools.ietf.org/html/rfc3339#section-5.6).
12
*
13
* @description
14
* Return the formatted date string in RFC 3339 format. Options may be passed to control the parts and notations of the date.
15
*
16
* @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).
17
*
18
* @param date - The original date
19
* @param options - An object with options.
20
*
21
* @returns The formatted date string
22
*
23
* @throws `date` must not be Invalid Date
24
*
25
* @example
26
* // Represent 18 September 2019 in RFC 3339 format:
27
* formatRFC3339(new Date(2019, 8, 18, 19, 0, 52))
28
* //=> '2019-09-18T19:00:52Z'
29
*
30
* @example
31
* // Represent 18 September 2019 in RFC 3339 format, 3 digits of second fraction