Lua for detecting emoji fonts in LaTeX

[avidseeker]

Until automatic fallback handling by luatex (latex3/fontspec#526, latex3/fontspec#428) is implemented, I'm considering using pandoc as a workaround for specifying the Emoji font. Does pandoc have a representation for emojis in its AST? I expect it so since it has emoji markdown extension.

I'm aware of *fontfallback metadata keys in pandoc, but the mention of "Font fallbacks only work with lualatex", but that didn't make a change (I'm converting markdown --> latex).

The workaround I'm thinking of is: for every emoji 🤔 in markdown, it needs to be replaced with \emoji{🤔}. Where \emoji is a LaTeX macro for using the right font for emojis (see: TeX SE)

[badumont]

Another solution is described here: ***@***.***/T/#m8a94f188b30caecdf834c39f6427badb5bf2901d (where \usepackage{newunicodefont} is to be replaced with \usepackage{newunicodechar})

[avidseeker]

You sent a censored URL?

[badumont]

Interesting, Github seems to redact URLs sent by email if they contain an @. Let's try again: https://inbox.vuxu.org/pandoc-discuss/CAFC_yuSQ+=nPiAC43sEG09K4UhpyuY2tHvjHqBe5ZxZ2A8NKsQ@mail.gmail.com/T/#m8a94f188b30caecdf834c39f6427badb5bf2901d

[jgm]

Does pandoc have a representation for emojis in its AST?

If the emoji extension is enabled, then e.g. :+1: will be parsed as

[ Span
        ( "" , [ "emoji" ] , [ ( "data-emoji" , "+1" ) ] )
        [ Str "\128077" ] ]

But plain unicode emojis will just be regular text.