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
import MockDate from 'mockdate'import dayjs from '../../src'import isoWeeksInYear from '../../src/plugin/isoWeeksInYear'import isLeapYear from '../../src/plugin/isLeapYear'
dayjs.extend(isoWeeksInYear)dayjs.extend(isLeapYear)
beforeEach(() => {  MockDate.set(new Date())})
afterEach(() => {  MockDate.reset()})
it('isoWeeksInYear', () => {  expect(dayjs('2004').isoWeeksInYear()).toBe(53)  expect(dayjs('2005').isoWeeksInYear()).toBe(52)  expect(dayjs('2006').isoWeeksInYear()).toBe(52)  expect(dayjs('2007').isoWeeksInYear()).toBe(52)  expect(dayjs('2008').isoWeeksInYear()).toBe(52)  expect(dayjs('2009').isoWeeksInYear()).toBe(53)  expect(dayjs('2010').isoWeeksInYear()).toBe(52)  expect(dayjs('2011').isoWeeksInYear()).toBe(52)  expect(dayjs('2012').isoWeeksInYear()).toBe(52)  expect(dayjs('2013').isoWeeksInYear()).toBe(52)  expect(dayjs('2014').isoWeeksInYear()).toBe(52)  expect(dayjs('2015').isoWeeksInYear()).toBe(53)})