[Home](./index.md) > [@firebase/auth](./auth.md) > [PopupRedirectResolver](./auth.popupredirectresolver.md) ## PopupRedirectResolver interface A resolver used for handling DOM specific operations like [signInWithPopup()](./auth.signinwithpopup.md) or [signInWithRedirect()](./auth.signinwithredirect.md). Signature: ```typescript export interface PopupRedirectResolver ```