Cross Fade to another image - possible?

[Iono-9]

When invoking, for example,

wallpaper.set('unicorn.jpg');

is it possible to make it so the wallpaper crossfade to another image, not just instantly change?

[sindresorhus]

You didn't mention what OS you need it for. On macOS, it's possible to do it by placing a window at the desktop level filled with the desktop wallpaper, replace the wallpaper, and fade out the window. This creates the cross-fade effect. For other OSes, I have no idea. This is outside the scope of this package regardless.