MailCatcher UI not working in 0.10.0

[iamstuba]

Environment:

OS: macOS Sonoma 14.4.1 Ruby: 3.3.2 MailCatcher: 0.10.0 Browser: Google Chrome (125.0.6422.114) and Mozilla Firefox (126.0.1)

The .js and .css files from /assets are resolving with an incorrect content-type of text/html, which prevents browsers from executing them.

This issue was not present in the 0.9.0 version of MailCatcher.

[joshualip-plaudit]

Were you able to find a solution? (It's happening to me as well)

[iamstuba]

Nope. Haven't ever written a line of Ruby, so don't really know how/where the headers are set. I'd hope/think that for anyone more familiar with Ruby and/or MailCatcher this'd be quite an easy fix.

[kilis]

Same issue when installed via Homebrew for version 0.10.0

[iamstuba]

@joshualip-plaudit @kilis, my current workaround is to just go to http://127.0.0.1:1080/messages/{X}.html where {X} is the id of the message I want to see. Not optimal, but at least I can work this way.

Wasn't able to install version 0.9.0 of MailCatcher via Homebrew for some reason.

[sj26]

Hm, this is a weird one. And I can't replicate it -- for me they resolve with the correct content type:

including in Chrome:

[iamstuba]

mailcatcher --foreground
Starting MailCatcher v0.10.0
==> smtp://127.0.0.1:1025
==> http://127.0.0.1:1080

curl -I http://localhost:1080/assets/mailcatcher.js
HTTP/1.1 404 Not Found
X-Cascade: pass
Content-Type: text/html;charset=utf-8
Content-Length: 145
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Connection: keep-alive
Server: thin

Seems like my initial report was incorrect and the assets folder isn't even exposed. I've installed MailCatcher through Homebrew.

[sj26]

I've installed MailCatcher through Homebrew.

Ah, interesting. Through the tap? That hasn’t been updated in a very long time.

https://github.com/sj26/homebrew-mailcatcher

[sj26]

Oh, there’s an official formula now!

https://github.com/Homebrew/homebrew-core/blob/95f7ea11c1fe7c4f65a81b5e09984cd392316bef/Formula/m/mailcatcher.rb

but it’s missing the step that compiles assets. That’s the issue.