today's progress, emoji support! it mostly consisted of

text => new Intl.Segmenter('en').segment(text).map(s => s.segment)

in a bunch of places, so that offset calculations made sense. I also had to add a hidden

<input/>

onto the page instead of just harvesting

keypress

, because emoji-pickers don't actually send valid keypresses, but they do trigger

oninput

in a focused

<input/>

🎉