On Windows, use wincompose. Space followed by a hyphen gives you an emdash with the cute half-width spaces around it. On Android, I can get an emdash by long pressing hyphen. There's also a keyboard shortcut on the mac for it. No idea about Linux/BSD or iOS, unfortunately.
lazyownrt · · focus · HN ↗
Leynos · · focus · HN ↗
adastra22 · · focus · HN ↗
Leynos · · focus · HN ↗