Okta Sign-in Widget Using PKCE Flow

Is it possible to use the Signin Widget with the " Authorization Code with PKCE Flow"? Any sample code available for this?

You can use the signin widget with the authorization code with PKCE flow. We’ve recently updated the documentation to reflect this.

You can jump right to it here: https://github.com/okta/okta-signin-widget#pkce-proof-key-for-code-exchange-flow