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feat: reject non-calendar ISO strings #3061

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stelardn wants to merge 1 commit into hapijs:master from stelardn:feat/strict-iso-date-validation

stelardn commented Jan 18, 2025

Fixes #2733

This adds a stricter validation to string().isoDate(), rejecting dates that do not exist in the calendar.

It does so by:

Validating that the day component of the ISO string matches the day derived from the corresponding JavaScript Date.
Handling edge cases where the difference between days is caused by T24:00 notation, in order to keep support for valid T24:00 ISO strings.
Preventing invalid dates such as April 31st from being accepted, even when combined with T24:00.


          feat: reject non-calendar ISO strings

2cba278

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