QuarterOfYear

QuarterOfYear adds the quarter method to EsDay and extend the get and set methods to get or set the quarter of year of a date.
Setting the quarter does not affect the time of an EsDay instance.

QuarterOfYear adds support for the formatting Token Q.

Method signatures

esday().quarter(): number
esday().quarter(quarterNumber: number): EsDay

parameter	description
quarterNumber	date string to be parsed

Added units

Unit	Example	Description
'Q'	1-4	Quarter of year.
'quarter'	1-4	Quarter of year.
'quarters'	1-4	Quarter of year.

Added formatting tokens

Token	Example	Description
Q	1-4	Quarter of year.

Examples

import { esday } from 'esday'
import quarterOfYearPlugin from 'esday/plugins/quarterOfYear'

esday.extend(quarterOfYearPlugin)

esday('2023-08-14T21:43:12.123').get('Q')
// Returns 3

esday('2023-08-14T21:43:12.123').quarter()
// Returns 3

esday('2023-08-14T21:43:12.123').set('quarter', 1)
// Returns '2023-01-01T21:43:12.123' as EsDay

esday('2023-08-14T21:43:12.123').quarter(1)
// Returns '2023-01-01T21:43:12.123' as EsDay

Formatting date using token 'Q'

esday('2023-08-14T21:43:12.123').format('YYYY Q')
// Returns '2023 3'