Raycast command that uses AppleScriptObjC to create a floating window.

FloatingRaycastWindow.tsx

import { closeMainWindow } from "@raycast/api"
import { runAppleScript } from "run-applescript"

const displayWindow = async () => {
    console.log(await runAppleScript(`use framework "Foundation"
    use scripting additions
    set theWindow to missing value
    
    -- Can only display windows on the main thread
    my performSelectorOnMainThread:"showWindow" withObject:(missing value) waitUntilDone:true
    
    -- Create and display the window
    on showWindow()
        global theWindow
        set theContentRect to current application's NSMakeRect(0, 0, 500, 250)
        set theWindowStyle to (get current application's NSWindowStyleMaskTitled) + (get current application's NSResizableWindowMask) + (get current application's NSFullSizeContentViewWindowMask) + (get current application's NSWindowStyleMaskClosable) + (get current application's NSWindowStyleMaskMiniaturizable) + (get current application's NSWindowStyleMaskResizable)
        set theWindow to current application's NSWindow's alloc()'s initWithContentRect:theContentRect styleMask:theWindowStyle backing:(current application's NSBackingStoreBuffered) defer:false
        theWindow's setDelegate:me
        
        theWindow's setOpaque:false
        theWindow's setMovableByWindowBackground:true
        theWindow's setTitlebarAppearsTransparent:true
        
        set closeButtonFrame to current application's NSMakeRect(100, 100, 100, 25)
        set closeButton to current application's NSButton's alloc's initWithFrame:closeButtonFrame
        closeButton's setTarget:me
        closeButton's setAction:"closeWindow:"
        
        theWindow's setLevel:(current application's NSFloatingWindowLevel)
        theWindow's contentView()'s addSubview:closeButton
        
        current application's NSApp's runModalForWindow:theWindow
    end showWindow
    
    -- Stop the modal (and associated processes) when the window is closed
    on closeWindow:sender
        current application's NSApp's stopModal()
        theWindow's |close|()
    end closeWindow:
    
    on windowWillClose:theNotification
        current application's NSApp's stopModal()
    end windowWillClose:
    
    
    -- Keep the window on top
    on windowDidBecomeKey:theNotification
        global theWindow
        theWindow's setLevel:(current application's NSFloatingWindowLevel)
    end windowDidBecomeKey:
    
    on windowDidResignKey:theNotification
        global theWindow
        theWindow's setLevel:(current application's NSFloatingWindowLevel)
    end windowDidResignKey:`))
}

export default async function Command() {
    await closeMainWindow()
    await displayWindow()
}