capturePage
fun capturePage(rect: Rectangle = definedExternally, opts: Opts = definedExternally): Promise<NativeImage>(source)
Resolves with a NativeImage
Captures a snapshot of the page within rect. Omitting rect will capture the whole visible page. The page is considered visible when its browser window is hidden and the capturer count is non-zero. If you would like the page to stay hidden, you should ensure that stayHidden is set to true.