Support for missing format string in `useDateFormat()` from `dayjs`

Clear and concise description of the problem

It’s nice to have some of the missing format string in useDateFormat() as per dayjs for common use case, such as:

MMM | Jan-Dec | The abbreviated month name
MMMM | January-December | The full month name
dd | Su-Sa | The min name of the day of the week
ddd | Sun-Sat | The short name of the day of the week
dddd | Sunday-Saturday | The name of the day of the week
A | AM PM |  
a | am pm

Reference: https://day.js.org/docs/en/display/format

Also, with the missing format, we could potentially reduce overall bundle size by not bundling dayjs for common formatting use case.

Suggested solution

Support the proposed missing format string.

Alternative

No response

Additional context

https://day.js.org/docs/en/display/format

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn’t already an issue that request the same feature to avoid creating a duplicate.

[andrewspy]

There is some misunderstanding here, I don’t see how “Jan-Dec”, “Sun-Mon” or “am/pm” involve any locale here. It’s a purely formatting option as opposed to presenting it as numbers such as 1-12 (month), 0-6 (weekday), and 0-23 (hours in am/pm). it’s simply a mapping of objects/arrays.

If you mean translating the date format into another locale/language, I do agree that would certainly be out of scope for VueUse.

[stale[bot]]

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