Social login/sign up pattern

getFBData.js

const regObj = {
        accountName: "",
        provider: "Facebook",
        externalAccessToken: "",
    };

    FB.login((response) => {
        console.log("statusChangeCallback");
        console.log(response);
        regObj.externalAccessToken = response.authResponse.accessToken;

        if (response.status === "connected") {
            // Logged into your app and Facebook.
            fetchuserData();
        } else if (response.status === "not_authorized") {
            dispatch(registerExternalFacebook());
            // The person is logged into Facebook, but not your app.
        } else {
            // The person is not logged into Facebook, so we're not sure if
            // they are logged into this app or not.
            dispatch(registerExternalFacebook());
        }
    }, { scope: "public_profile,email" });

    function fetchuserData() {
        FB.api("/me?fields=email,name", (response) => {
            regObj.accountName = response.email;
        });
    }

getGoogleData.js

gapi.auth2
        .getAuthInstance()
        .signIn()
        .then((googleUser) => {
            const profile = googleUser.getBasicProfile();

            const regObj = {
                accountName: profile.getEmail(),
                provider: "Google",
                externalAccessToken: googleUser.getAuthResponse().access_token,
            };
        });

init.js

window["gapiAsyncInit"] = () => {
        gapi.load("auth2", () => gapi.auth2.init({
            client_id: GOOGLE_CLIENT_ID,
            fetch_basic_profile: true,
            scope: GOOGLE_SCOPE
        }));
    };

    window["fbAsyncInit"] = () => {
        FB.init({
            appId: FACEBOOK_APP_ID,
            cookie: true,
            version: "v2.5"
        });
    };