/
main.ts
715 lines (640 loc) · 20.9 KB
/
main.ts
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import {
DateEnv,
createFormatter,
createDuration,
startOfDay,
diffWholeWeeks,
diffWholeDays,
diffDayAndTime,
Calendar,
} from '@fullcalendar/core'
import dayGridPlugin from '@fullcalendar/daygrid'
import { getDSTDeadZone } from '../lib/dst-dead-zone'
import { formatPrettyTimeZoneOffset, formatIsoTimeZoneOffset, formatIsoWithoutTz } from '../lib/datelib-utils'
describe('datelib', () => {
let enLocale
beforeEach(() => {
enLocale = new Calendar(document.createElement('div'), { // HACK
plugins: [dayGridPlugin],
}).getCurrentData().dateEnv.locale
})
describe('computeWeekNumber', () => {
it('works with local', () => {
let env = new DateEnv({
timeZone: 'UTC',
calendarSystem: 'gregory',
locale: enLocale,
})
let m1 = env.createMarker('2018-04-07')
let m2 = env.createMarker('2018-04-08')
expect(env.computeWeekNumber(m1)).toBe(14)
expect(env.computeWeekNumber(m2)).toBe(15)
})
it('works with ISO', () => {
let env = new DateEnv({
timeZone: 'UTC',
calendarSystem: 'gregory',
locale: enLocale,
weekNumberCalculation: 'ISO',
})
let m1 = env.createMarker('2018-04-01')
let m2 = env.createMarker('2018-04-02')
expect(env.computeWeekNumber(m1)).toBe(13)
expect(env.computeWeekNumber(m2)).toBe(14)
})
it('works with custom function', () => {
let env = new DateEnv({
timeZone: 'UTC',
calendarSystem: 'gregory',
locale: enLocale,
weekNumberCalculation(date) {
expect(date instanceof Date).toBe(true)
expect(date.valueOf()).toBe(Date.UTC(2018, 3, 1))
return 99
},
})
let m1 = env.createMarker('2018-04-01')
expect(env.computeWeekNumber(m1)).toBe(99)
})
})
it('startOfWeek with different firstDay', () => {
let env = new DateEnv({
timeZone: 'UTC',
calendarSystem: 'gregory',
locale: enLocale,
firstDay: 2, // tues
})
let m = env.createMarker('2018-04-19')
let w = env.startOfWeek(m)
expect(env.toDate(w)).toEqual(
new Date(Date.UTC(2018, 3, 17)),
)
})
describe('when UTC', () => {
let env
beforeEach(() => {
env = new DateEnv({
timeZone: 'UTC',
calendarSystem: 'gregory',
locale: enLocale,
})
})
describe('createMarker', () => {
it('with date', () => {
expect(
env.toDate(
env.createMarker(
new Date(2017, 5, 8),
),
),
).toEqual(
new Date(2017, 5, 8),
)
})
it('with timestamp', () => {
expect(
env.toDate(
env.createMarker(
new Date(2017, 5, 8).valueOf(),
),
),
).toEqual(
new Date(2017, 5, 8),
)
})
it('with array', () => {
expect(
env.toDate(
env.createMarker(
[2017, 5, 8],
),
),
).toEqual(
new Date(Date.UTC(2017, 5, 8)),
)
})
})
describe('ISO8601 parsing', () => {
it('parses non-tz as UTC', () => {
let res = env.createMarkerMeta('2018-06-08')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 8)))
expect(res.forcedTzo).toBeNull()
})
it('parses a date already in UTC', () => {
let res = env.createMarkerMeta('2018-06-08T00:00:00Z')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 8)))
expect(res.forcedTzo).toBeNull()
})
it('parses timezones into UTC', () => {
let res = env.createMarkerMeta('2018-06-08T00:00:00+12:00')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 7, 12)))
expect(res.forcedTzo).toBeNull()
})
it('detects lack of time', () => {
let res = env.createMarkerMeta('2018-06-08')
expect(res.isTimeUnspecified).toBe(true)
})
it('detects presence of time', () => {
let res = env.createMarkerMeta('2018-06-08T00:00:00')
expect(res.isTimeUnspecified).toBe(false)
})
it('parses a time with no \'T\'', () => {
let res = env.createMarkerMeta('2018-06-08 01:00:00')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 8, 1, 0)))
})
it('parses just a month', () => {
let res = env.createMarkerMeta('2018-06')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 1)))
})
it('detects presence of time even if timezone', () => {
let res = env.createMarkerMeta('2018-06-08T00:00:00+12:00')
expect(res.isTimeUnspecified).toBe(false)
})
})
it('outputs ISO8601 formatting', () => {
let marker = env.createMarker('2018-06-08T00:00:00')
let s = env.formatIso(marker)
expect(s).toBe('2018-06-08T00:00:00Z')
})
it('outputs pretty format with UTC timezone', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({
weekday: 'long',
day: 'numeric',
month: 'long',
hour: '2-digit',
minute: '2-digit',
year: 'numeric',
timeZoneName: 'short',
omitCommas: true, // for cross-browser
})
let s = env.format(marker, formatter)
expect(s.replace(' at ', ' '))
.toBe('Friday June 8 2018 12:00 AM UTC')
})
describe('week number formatting', () => {
it('can output only number', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({ week: 'numeric' })
let s = env.format(marker, formatter)
expect(s).toBe('23')
})
it('can output narrow', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({ week: 'narrow' })
let s = env.format(marker, formatter)
expect(s).toBe('W23')
})
it('can output short', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({ week: 'short' })
let s = env.format(marker, formatter)
expect(s).toBe('W 23')
})
})
describe('range formatting', () => {
let formatter = createFormatter({
day: 'numeric',
month: 'long',
year: 'numeric',
separator: ' - ',
})
it('works with different days of same month', () => {
let m0 = env.createMarker('2018-06-08')
let m1 = env.createMarker('2018-06-09')
let s = env.formatRange(m0, m1, formatter)
expect(s).toBe('June 8 - 9, 2018')
})
it('works with different days of same month, with inprecise formatter', () => {
let otherFormatter = createFormatter({
month: 'long',
year: 'numeric',
})
let m0 = env.createMarker('2018-06-08')
let m1 = env.createMarker('2018-06-09')
let s = env.formatRange(m0, m1, otherFormatter)
expect(s).toBe('June 2018')
})
it('works with different day/month of same year', () => {
let m0 = env.createMarker('2018-06-08')
let m1 = env.createMarker('2018-07-09')
let s = env.formatRange(m0, m1, formatter)
expect(s).toBe('June 8 - July 9, 2018')
})
it('works with completely different dates', () => {
let m0 = env.createMarker('2018-06-08')
let m1 = env.createMarker('2020-07-09')
let s = env.formatRange(m0, m1, formatter)
expect(s).toBe('June 8, 2018 - July 9, 2020')
})
})
// date math
describe('add', () => {
it('works with positives', () => {
let dur = createDuration({
year: 1,
month: 2,
day: 3,
hour: 4,
minute: 5,
second: 6,
ms: 7,
})
let d0 = env.createMarker(new Date(Date.UTC(2018, 5, 5, 12)))
let d1 = env.toDate(env.add(d0, dur))
expect(d1).toEqual(
new Date(Date.UTC(2019, 7, 8, 16, 5, 6, 7)),
)
})
it('works with negatives', () => {
let dur = createDuration({
year: -1,
month: -2,
day: -3,
hour: -4,
minute: -5,
second: -6,
millisecond: -7,
})
let d0 = env.createMarker(new Date(Date.UTC(2018, 5, 5, 12)))
let d1 = env.toDate(env.add(d0, dur))
expect(d1).toEqual(
new Date(Date.UTC(2017, 3, 2, 7, 54, 53, 993)),
)
})
})
// test in Safari!
// https://github.com/fullcalendar/fullcalendar/issues/4363
it('startOfYear', () => {
let d0 = env.createMarker(new Date(Date.UTC(2018, 5, 5, 12)))
let d1 = env.toDate(env.startOfYear(d0))
expect(d1).toEqual(
new Date(Date.UTC(2018, 0, 1)),
)
})
it('startOfMonth', () => {
let d0 = env.createMarker(new Date(Date.UTC(2018, 5, 5, 12)))
let d1 = env.toDate(env.startOfMonth(d0))
expect(d1).toEqual(
new Date(Date.UTC(2018, 5, 1)),
)
})
it('startOfWeek', () => {
let d0 = env.createMarker(new Date(Date.UTC(2018, 5, 5, 12)))
let d1 = env.toDate(env.startOfWeek(d0))
expect(d1).toEqual(
new Date(Date.UTC(2018, 5, 3)),
)
})
it('startOfDay', () => {
let d0 = env.createMarker(new Date(Date.UTC(2018, 5, 5, 12, 30)))
let d1 = env.toDate(startOfDay(d0))
expect(d1).toEqual(
new Date(Date.UTC(2018, 5, 5)),
)
})
describe('diffWholeYears', () => {
it('returns null if not whole', () => {
let d0 = new Date(Date.UTC(2018, 5, 5, 12, 0))
let d1 = new Date(Date.UTC(2020, 5, 5, 12, 30))
let diff = env.diffWholeYears(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(null)
})
it('returns negative', () => {
let d0 = new Date(Date.UTC(2020, 5, 5, 12, 0))
let d1 = new Date(Date.UTC(2018, 5, 5, 12, 0))
let diff = env.diffWholeYears(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(-2)
})
it('returns positive', () => {
let d0 = new Date(Date.UTC(2018, 5, 5, 12, 0))
let d1 = new Date(Date.UTC(2020, 5, 5, 12, 0))
let diff = env.diffWholeYears(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(2)
})
})
describe('diffWholeMonths', () => {
it('returns null if not whole', () => {
let d0 = new Date(Date.UTC(2018, 5, 5))
let d1 = new Date(Date.UTC(2020, 5, 6))
let diff = env.diffWholeMonths(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(null)
})
it('returns negative', () => {
let d0 = new Date(Date.UTC(2020, 9, 5))
let d1 = new Date(Date.UTC(2018, 5, 5))
let diff = env.diffWholeMonths(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(-12 * 2 - 4)
})
it('returns positive', () => {
let d0 = new Date(Date.UTC(2018, 5, 5))
let d1 = new Date(Date.UTC(2020, 9, 5))
let diff = env.diffWholeMonths(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(12 * 2 + 4)
})
})
describe('diffWholeWeeks', () => {
it('returns null if not whole', () => {
let d0 = new Date(Date.UTC(2018, 5, 5))
let d1 = new Date(Date.UTC(2018, 5, 20))
let diff = diffWholeWeeks(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(null)
})
it('returns negative', () => {
let d0 = new Date(Date.UTC(2018, 5, 19))
let d1 = new Date(Date.UTC(2018, 5, 5))
let diff = diffWholeWeeks(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(-2)
})
it('returns positive', () => {
let d0 = new Date(Date.UTC(2018, 5, 5))
let d1 = new Date(Date.UTC(2018, 5, 19))
let diff = diffWholeWeeks(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(2)
})
})
describe('diffWholeDays', () => {
it('returns null if not whole', () => {
let d0 = new Date(Date.UTC(2018, 5, 5))
let d1 = new Date(Date.UTC(2018, 5, 19, 12))
let diff = diffWholeDays(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(null)
})
it('returns negative', () => {
let d0 = new Date(Date.UTC(2018, 5, 19))
let d1 = new Date(Date.UTC(2018, 5, 5))
let diff = diffWholeDays(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(-14)
})
it('returns positive', () => {
let d0 = new Date(Date.UTC(2018, 5, 5))
let d1 = new Date(Date.UTC(2018, 5, 19))
let diff = diffWholeDays(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toBe(14)
})
})
describe('diffDayAndTime', () => {
it('returns negative', () => {
let d0 = new Date(Date.UTC(2018, 5, 19, 12))
let d1 = new Date(Date.UTC(2018, 5, 5))
let diff = diffDayAndTime(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toEqual({
years: 0,
months: 0,
days: -14,
milliseconds: -12 * 60 * 60 * 1000,
})
})
it('returns positive', () => {
let d0 = new Date(Date.UTC(2018, 5, 5))
let d1 = new Date(Date.UTC(2018, 5, 19, 12))
let diff = diffDayAndTime(
env.createMarker(d0),
env.createMarker(d1),
)
expect(diff).toEqual({
years: 0,
months: 0,
days: 14,
milliseconds: 12 * 60 * 60 * 1000,
})
})
})
})
describe('when local', () => {
let env
beforeEach(() => {
env = new DateEnv({
timeZone: 'local',
calendarSystem: 'gregory',
locale: enLocale,
})
})
describe('ISO8601 parsing', () => {
it('parses non-tz as local', () => {
let res = env.createMarkerMeta('2018-06-08')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(2018, 5, 8))
expect(res.forcedTzo).toBeNull()
})
it('parses timezones into local', () => {
let res = env.createMarkerMeta('2018-06-08T00:00:00+12:00')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 7, 12)))
expect(res.forcedTzo).toBeNull()
})
it('does not lose info when parsing a dst-dead-zone date', () => {
let deadZone = getDSTDeadZone()
if (!deadZone) {
console.log('could not determine DST dead zone') // eslint-disable-line no-console
} else {
// use a utc date to get a ISO8601 string representation of the start of the dead zone
let utcDate = new Date(Date.UTC(
deadZone[1].getFullYear(),
deadZone[1].getMonth(),
deadZone[1].getDate(),
deadZone[1].getHours() - 1, // back one hour. shouldn't exist in local time
deadZone[1].getMinutes(),
deadZone[1].getSeconds(),
deadZone[1].getMilliseconds(),
))
let s = formatIsoWithoutTz(utcDate)
// check that the local date falls out of the dead zone
let localDate = new Date(s)
expect(localDate.getHours()).not.toBe(deadZone[1].getHours() - 1)
// check that is parsed and retained the original hour,
// even tho it falls into the dead zone for local time
let marker = env.createMarker(s)
expect(formatIsoWithoutTz(marker)).toBe(s)
// TODO
// // when it uses the env to format to local time,
// // it should have jumped out of the dead zone.
// expect(env.formatIso(marker)).not.toMatch(s)
}
})
})
it('outputs ISO8601 formatting', () => {
let marker = env.createMarker('2018-06-08T00:00:00')
let s = env.formatIso(marker)
let realTzo = formatIsoTimeZoneOffset(new Date(2018, 5, 8))
expect(s).toBe('2018-06-08T00:00:00' + realTzo)
})
it('outputs pretty format with local timezone', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({
weekday: 'long',
day: 'numeric',
month: 'long',
year: 'numeric',
hour: '2-digit',
minute: '2-digit',
timeZoneName: 'short',
omitCommas: true, // for cross-browser
})
let s = env.format(marker, formatter)
expect(s.replace(' at ', ' '))
.toBe('Friday June 8 2018 12:00 AM ' + formatPrettyTimeZoneOffset(new Date(2018, 5, 8)))
})
it('can output a timezone only', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({ timeZoneName: 'short' })
let s = env.format(marker, formatter)
expect(s).toBe(formatPrettyTimeZoneOffset(new Date(2018, 5, 8)))
})
// because `new Date(year)` is error-prone
it('startOfYear', () => {
let d0 = env.createMarker(new Date(2018, 5, 5, 12))
let d1 = env.toDate(env.startOfYear(d0))
expect(d1).toEqual(
new Date(2018, 0, 1),
)
})
})
describe('when named timezone with coercion', () => {
let env
beforeEach(() => {
env = new DateEnv({
timeZone: 'America/Chicago',
calendarSystem: 'gregory',
locale: enLocale,
})
})
describe('ISO8601 parsing', () => {
it('parses non-tz as UTC with no forcedTzo', () => {
let res = env.createMarkerMeta('2018-06-08')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 8)))
expect(res.forcedTzo).toBeNull()
})
it('parses as UTC after stripping and with a forcedTzo', () => {
let res = env.createMarkerMeta('2018-06-08T00:00:00+12:00')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 8)))
expect(res.forcedTzo).toBe(12 * 60)
})
it('parses as UTC after stripping and with a forcedTzo, alt format', () => {
let res = env.createMarkerMeta('2018-06-08T01:01:01.100+1200')
let date = env.toDate(res.marker)
expect(date).toEqual(new Date(Date.UTC(2018, 5, 8, 1, 1, 1, 100)))
expect(res.forcedTzo).toBe(12 * 60)
})
})
it('outputs UTC timezone when no timezone specified', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({
weekday: 'long',
day: 'numeric',
month: 'long',
year: 'numeric',
timeZoneName: 'short',
omitCommas: true, // for cross-browser
})
let s = env.format(marker, formatter)
expect(s.replace(' at ', ' '))
.toBe('Friday June 8 2018 12:00 AM UTC')
})
it('outputs UTC short timezone when no timezone specified, when requested as long', () => {
let marker = env.createMarker('2018-06-08')
let formatter = createFormatter({
weekday: 'long',
day: 'numeric',
month: 'long',
year: 'numeric',
timeZoneName: 'long',
omitCommas: true, // for cross-browser
})
let s = env.format(marker, formatter)
expect(s.replace(' at ', ' '))
.toBe('Friday June 8 2018 12:00 AM UTC')
})
it('computes current date as local values', () => {
let marker = env.createNowMarker()
let localDate = new Date()
expect(marker.getUTCFullYear()).toBe(localDate.getFullYear())
expect(marker.getUTCMonth()).toBe(localDate.getMonth())
expect(marker.getUTCDate()).toBe(localDate.getDate())
expect(marker.getUTCHours()).toBe(localDate.getHours())
expect(marker.getUTCMinutes()).toBe(localDate.getMinutes())
expect(marker.getUTCSeconds()).toBe(localDate.getSeconds())
})
})
describe('duration parsing', () => {
it('accepts whole day in string', () => {
let dur = createDuration('2.00:00:00')
expect(dur).toEqual({
years: 0,
months: 0,
days: 2,
milliseconds: 0,
})
})
it('accepts hours, minutes, seconds, and milliseconds', () => {
let dur = createDuration('01:02:03.500')
expect(dur).toEqual({
years: 0,
months: 0,
days: 0,
milliseconds:
1 * 60 * 60 * 1000 +
2 * 60 * 1000 +
3 * 1000 +
500,
})
})
it('accepts just hours and minutes', () => {
let dur = createDuration('01:02')
expect(dur).toEqual({
years: 0,
months: 0,
days: 0,
milliseconds:
1 * 60 * 60 * 1000 +
2 * 60 * 1000,
})
})
})
})