Re:Deno 1.4
by piscisaureus on Sunday September 13, 2020 @02:51PM
(#24463013)
Ecma-402 support (the 'Intl' object, locale dependent number and date formatting, etc.) requires linking with the ICU library.
We expect to support that in a future release.
In the meantime there's stuff like this:
https://github.com/denoland/deno/issues/1968