Tailwindcss-cli silently fails when file is not UTF-8

[JC-85]

What version of Tailwind CSS are you using?

tailwindcss-cli v3.4.16

What build tool (or framework if it abstracts the build tool) are you using?

tailwindcss-cli

What version of Node.js are you using?

none

What browser are you using?

N/A

What operating system are you using?

Windows

Describe your issue

Working on a legacy project I had problem getting utility classes generated from some files but not others, even when located next to each other. It turned out after a lot of hair pulling that the problematic files where encoded in UTF-16 with BOM. Converting all files to UTF-8 fixed the problem.

Sugestion: At minimum show an error message when a file can't be processed.

[philipp-spiess]

Hey! I ensured that reading an UTF-16 file with BOM now shows a reasonable error instead of silently failing in Tailwind CSS v4. Hope this helps!