Optional ReadonlycallbacksPrecompiled module, URL, or bytes for the Ghostty callback bridge.
Optional ReadonlyrendererPreferred native renderer and its built-in fallback ladder.
Optional ReadonlywasmPrecompiled module, URL, or bytes for the Ghostty VT runtime.
Optional ReadonlyworkerCore execution policy. Dedicated workers remain the default when supported.
Gespenst runtime and renderer controls layered on top of xterm.js constructor options.