Skip to content

Instantly share code, notes, and snippets.

@damianof

damianof/luxon-subtract-from-leap-day.js

Last active November 12, 2022 12:41
Show Gist options
  • Save damianof/bc8dba42e283f195aef4cf851a63a8bb to your computer and use it in GitHub Desktop.
Save damianof/bc8dba42e283f195aef4cf851a63a8bb to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. damianof revised this gist Nov 12, 2022. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions luxon-subtract-from-leap-day.js
    View file
    Original file line number Diff line number Diff line change
    @@ -3,7 +3,7 @@ const { DateTime } = require('luxon')
    const test1 = () => {
    let startIsoDate = '2024-02-28T00:00:00.000Z'
    let expected = '2023-02-28T00:00:00.000Z'
    let result = DateTime.fromISO(startIsoDate).toUTC().plus({
    let result = DateTime.fromISO(startIsoDate, { zone: 'UTC' }).toUTC().plus({
    year: -1
    }).toISO()

    @@ -14,7 +14,7 @@ const test1 = () => {
    const test2 = () => {
    let startIsoDate = '2024-02-29T00:00:00.000Z'
    let expected = '2023-03-01T00:00:00.000Z'
    let result = DateTime.fromISO(startIsoDate).toUTC().plus({
    let result = DateTime.fromISO(startIsoDate, { zone: 'UTC' }).toUTC().plus({
    year: -1
    }).toISO()

  2. damianof created this gist Nov 12, 2022.
    26 changes: 26 additions & 0 deletions luxon-subtract-from-leap-day.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,26 @@
    const { DateTime } = require('luxon')

    const test1 = () => {
    let startIsoDate = '2024-02-28T00:00:00.000Z'
    let expected = '2023-02-28T00:00:00.000Z'
    let result = DateTime.fromISO(startIsoDate).toUTC().plus({
    year: -1
    }).toISO()

    console.assert(expected !== result, 'test1 Failed')
    console.log('test1 result', expected === result, result)
    }

    const test2 = () => {
    let startIsoDate = '2024-02-29T00:00:00.000Z'
    let expected = '2023-03-01T00:00:00.000Z'
    let result = DateTime.fromISO(startIsoDate).toUTC().plus({
    year: -1
    }).toISO()

    console.assert(expected !== result, 'test2 Failed')
    console.log('test2 result', expected === result, result)
    }

    test1()
    test2()