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Fix: Error in parsing array format date #2639

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Fix: Error in parsing array format date #2639

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30 changes: 22 additions & 8 deletions src/plugin/arraySupport/index.js
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Original file line number Diff line number Diff line change
@@ -1,18 +1,32 @@
export default (o, c, dayjs) => {
export default (o, c) => {
const proto = c.prototype

const getStringDate = (date) => {
const makeTwoDigit = (value) => {
if ((value % 10) === 1) {
return `0${value}`
}
return value
}
// Date part YYYY, MM, DD
const dP = date.slice(0, 3).map(makeTwoDigit).join('-')
// Time part HH:MM:SS
const tP = date.length > 5 ? date.slice(3, date.length - 1).join(':') : date[3]
// Zone Part
const zP = date[7]
return `${dP}${tP ? `T${tP}` : ''}${zP ? `.${zP}Z` : ''}`
}

const parseDate = (cfg) => {
const { date, utc } = cfg
if (Array.isArray(date)) {
if (!date.length) {
return new Date()
}
if (utc) {
if (!date.length) {
return new Date()
}
return new Date(Date.UTC.apply(null, date))
}
if (date.length === 1) {
return dayjs(String(date[0])).toDate()
}
return new (Function.prototype.bind.apply(Date, [null].concat(date)))()
return getStringDate(date)
}
return date
}
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26 changes: 20 additions & 6 deletions test/plugin/arraySupport.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,12 +33,26 @@ const testArrs = [
[2010, 6, 10]
]

describe('parse array local', () => {
testArrs.forEach((testArr) => {
it(testArr, () => {
expect(dayjs(testArr).format())
.toBe(moment(testArr).format())
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we should keep the same return with moment.js. otherwise, it will be a huge breaking change.

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The fact is the same bug is present in « moment ». JavaScript Date parses month number from zero to eleven. But most of the time if not all time, we use month from 1 to 12. Excepting the same result as moment will be impossible unless moment fix it. Another alternative is to update the docs and let users know that they need to maybe change their habits and consider zero as first month and 11 as the last month in order to properly use arraySupport plugin. What would you suggest?

})
describe('parse full array local', () => {
it('parse and format full date array', () => {
expect(dayjs([2010, 1, 14, 15, 25, 50, 125]).format())
.toBe('2010-01-14T15:25:50+00:00')
})

it('parse and format a date array that contain only the year', () => {
expect(dayjs([2010]).format())
.toBe('2010-01-01T00:00:00+00:00')
})

it('parse and format a date array that contain only the year and the month', () => {
expect(dayjs([2010, 6]).format())
.toBe('2010-06-01T00:00:00+00:00')
})


it('parse and format a date array that contain a date without a time', () => {
expect(dayjs([2010, 6, 10]).format())
.toBe('2010-06-10T00:00:00+00:00')
})
})

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