Example of calling a parent function in JavaScript using private function names.

example_calling_parent_function.js

export function mainFunction() {
    const returnFunction = function fetchFunction(dispatch) {
        const fetchConfig = {
            url: '/api/endpoint/',
            httpMethod: 'get',
            successStatusCode: 200,
            successCallback: (res) => {
                //execute if successful
            },
            errorCallback: (err) => {
                // wait and try the function again
                setTimeout(fetchFunction(dispatch), 500);
            }
        };

        dispatchFetch(fetchConfig);
    }

    return (dispatch) => returnFunction(dispatch);
}