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dayjs returns wrong object when created using year week string YYYY-w #999

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albert-cai opened this issue Aug 11, 2020 · 2 comments · Fixed by #2705
Closed

dayjs returns wrong object when created using year week string YYYY-w #999

albert-cai opened this issue Aug 11, 2020 · 2 comments · Fixed by #2705

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@albert-cai
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albert-cai commented Aug 11, 2020

Describe the bug
When creating dayjs object from year week string such as 2020-35, the created object contains the wrong month and date information.

For example:

dayjs('2020-35', 'YYYY-w'). //Wed Jan 01 2020 00:00:00
dayjs('2020-35', 'YYYY-w').format('YYYY-w'). //2020-1

Expected behavior
dayjs should return the right object.

Information

  • Day.js Version 1.8.33
  • OS: macos
  • Browser chrome84
  • Time zone: GMT+08:00
@iamkun
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iamkun commented Aug 11, 2020

Day.js does not support parsing w token but will add it in the future.

List of all available parsing tokens https://day.js.org/docs/en/parse/string-format#list-of-all-available-parsing-tokens

@PengJiyuan
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any progress?

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3 participants