filmData.js

jsdom.env({
    html: '<script>var filmData = {foo: "bar"};</script>',
    features: {
        ProcessExternalResources: true
    },
    done: (error, window) => {
        if (error) {
            throw new Error('Something is up!');
        }

        console.log('window.filmData', window.filmData);

        window.close();
    }
});