Integrate Ingame Transaction using Framework7-Svelte

Questions
1

How should I approach adding Ingame Transaction into my Application using Framwork7 Svelte?

2

What is Ingame Transaction? In-app purchase? If it is a cordova app then use relevant plugin like this one https://github.com/j3k0/cordova-plugin-purchase

3

how to call the plugin? from svelte can’t call to window.pluginObj

update: can be accessed from within

if (Device.cordova) { cordovaApp.init(f7);