public/src/js/utils/oauth-session.js

import {CONST} from 'modules/vars';
import * as panda from './panda-session';

function locationRedirect() {
    window.location = '/logout';
}

export default function (overridePanda, overrideRedirect) {
    let redirect = overrideRedirect || locationRedirect,
        poll = function () {
            setTimeout(() => {
                reauth(overridePanda).then(poll).catch(redirect);
            }, CONST.reauthInterval);
        };

    poll();
}

export function reauth (overridePanda) {
    let session = overridePanda || panda.reEstablishSession;
    return session(CONST.reauthPath, CONST.reauthTimeout);
}