import { term_getaltscreen } from "https://deno.land/x/denops_std@v6.3.0/function/vim/mod.ts";
Returns 1 if the terminal of {buf} is using the alternate
screen.
{buf} is used as with term_getsize().
Can also be used as a method:
GetBufnr()->term_getaltscreen()
Parameters
denops: Denops