Why exitframe is called in shopify app development

Why exitframe is called in shopify app development

Are you able to provide any additional context, like logs and/or where you’re seeing the call that you’re referring to?

developing a Shopify plugin for login and embedding my SDK inside the login page. What is the purpose of the ExitIframe.jsx file in this repository?

The ExitIframe component you linked renders the following warning banner if an app tries to redirect outside of Shopify.

Redirecting outside of Shopify
Apps can only use /exitiframe to reach Shopify or the app itself.