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that would be fun! would the fallback experience viewing it on github.com be to just render

:my-custom-emoji-name:

as plaintext?

It actually works in GitHub UI too, no fallback needed. You can do a bit of markup like

<picture ...>

with a URL to the custom emoji image file and GitHub UI will render it

TIL, thanks

<picture data-single-emoji=":seal-clap:" title=":seal-clap:"><img class="emoji" width="20" height="auto" src="<https://single-emoji.vercel.app/api/emoji/eyJhbGciOiJkaXIiLCJlbmMiOiJBMjU2R0NNIn0..UXG9W2HoeMxnQpHr.IF9TmzgIP_G4zSbfdjdkW0JypylvtqgrK5lJQTJPqam83fnEsIph0-E7Q91JyWW5lNUDbjZTdRvhfc6PNRzXgSHnaOQLqjeo7bcUb60_juUX_XKp816caLYB1ykacwqk.zXNczqnfQbXYX2zWCiA1Qw>" alt=":seal-clap:" align="absmiddle"></picture>

Here is an example of how the Single Emoji app linked above does the markup. That apps works in the GitHub UI through a chrome extension. It does display inline as you would expect an emoji to, rather than a block image.

oh but do you need the Chrome extension to correctly render it?

Nope! Anyone can view it. The chrome extension is only for posting custom emoji. It provides auto-complete so I can type

:seal-clap:

and see the custom emoji in the suggested list like any other emoji. Then, I believe, when you go to submit the comment it does a find/replace of the text

:seal-clap:

with the markup above

gotcha, very cool!

would you prefer to just hook up your slack instance to graphite and ingest the custom emoji from there, if that was possible?

Ya I was thinking it would be an automatic ingestion when I first installed the Graphite Slack app. Could be something I toggle on only if desired, or choose which emoji to ingest if there are that many to worry about. My company isn’t that big so not a huge issue for us to sync everything.

got it