wticreatorstudio/Modules/Frontend/Resources/client/api/useData.js

export function useData() {
    function getData(name, key) {
        let obj = window[name];

        return key.split(".").reduce((o, k) => {
            if (o && typeof o === 'object' && k in o) {
                return o[k];
            }

            return undefined;
        }, obj);
    }

    return {
        getData,
    };
}