I am using new oauth2Endpoint to access youtube readonly permission and also Token to authorize with firebase auth in Next.js
// Parameters to pass to OAuth 2.0 endpoint. var params = { client_id: process.env.NEXT_PUBLIC_GOOGLE_CLIENT_ID, redirect_uri: 'http://localhost:3000/authorize/', response_type: 'token', scope: 'https://www.googleapis.com/auth/youtube.readonly', include_granted_scopes: 'true', state: 'authorized', };Response
asPath:"/authorize#state=authorized&access_token=ya29.a0ARrdaM_Z-DtT8QirWCb9phht7k8ePDDPzwSmvtAkm0ecv18KkLg71LeFlURKO6rLfsT66MxRC9SgkenqN7SHPg89Hp5ESpzDBsaTjeJTbx24g-_-18inaSvnmmKTzz68XLrnryyehFGn7-LGozKwVOe9RsZg&token_type=Bearer&expires_in=3599&scope=email%20profile%20https://www.googleapis.com/auth/userinfo.email%20https://www.googleapis.com/auth/userinfo.profile%20openid%20https://www.googleapis.com/auth/youtube.readonly&authuser=0&prompt=consent"How to get results in query (/authorize?) instead of (/authorize#)
Callback URL is http://localhost:3000/authorize/