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Add lastDayOfMonth support #193

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merged 2 commits into from
Feb 17, 2023
Merged

Add lastDayOfMonth support #193

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aed8596
Add lastDayOfMonth support
slimcandy Feb 8, 2023
60fe720
Merge branch 'production' into production
cedmax Feb 17, 2023
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1 change: 1 addition & 0 deletions src/code-sandbox.json
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@
"date-fns/08-month/getMonth": "https://codesandbox.io/s/jqquk?previewwindow=tests&file=/08-month/getMonth/vanilla.js",
"date-fns/08-month/isFirstDayOfMonth": "https://codesandbox.io/s/ltltp?previewwindow=tests&file=/08-month/isFirstDayOfMonth/vanilla.js",
"date-fns/08-month/isLastDayOfMonth": "https://codesandbox.io/s/d9veq?previewwindow=tests&file=/08-month/isLastDayOfMonth/vanilla.js",
"date-fns/08-month/lastDayOfMonth": "https://codesandbox.io/s/date-fns-lastdayofmonth-eun1ls?previewwindow=tests&file=/00-generic/compareDesc/vanilla.js",
"date-fns/08-month/isSameMonth": "https://codesandbox.io/s/04clz?previewwindow=tests&file=/08-month/isSameMonth/vanilla.js",
"date-fns/08-month/isThisMonth": "https://codesandbox.io/s/4u126?previewwindow=tests&file=/08-month/isThisMonth/vanilla.js",
"date-fns/08-month/setMonth": "https://codesandbox.io/s/jcvuk?previewwindow=tests&file=/08-month/setMonth/vanilla.js",
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6 changes: 6 additions & 0 deletions src/content/date-fns/08-month/lastDayOfMonth/date-fns.js
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// https://date-fns.org/v2.29.3/docs/lastDayOfMonth
const lastDayOfMonth = require('date-fns/lastDayOfMonth')

// Get the last day of a month.
module.exports = lastDayOfMonth(new Date(2014, 1, 25)).toDateString()
// => Fri Feb 28 2014
1 change: 1 addition & 0 deletions src/content/date-fns/08-month/lastDayOfMonth/notes.md
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Get the last day of a month from date.
9 changes: 9 additions & 0 deletions src/content/date-fns/08-month/lastDayOfMonth/spec.js
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const expected = 'Fri Feb 28 2014'

const datefns = require('./date-fns')
const plain = require('./vanilla')

test('lastDayOfMonth', () => {
expect(datefns).toEqual(expected)
expect(plain).toEqual(datefns)
})
13 changes: 13 additions & 0 deletions src/content/date-fns/08-month/lastDayOfMonth/vanilla.js
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function lastDayOfMonth(date) {
const dateClone = new Date(date.getTime())
const month = dateClone.getMonth()
dateClone.setDate(1)
dateClone.setMonth(month + 1)
dateClone.setDate(0)

return dateClone
}

// Get the last day of a month.
module.exports = lastDayOfMonth(new Date(2014, 1, 25)).toDateString()
// => Fri Feb 28 2014