sampleactionthunk.js

export function searchRequest(username) {
    return (dispatch) => {
        dispatch(search);

        if(username==='') {
            return new Promise((resolve, reject)=> {
                dispatch(searchSuccess([]));
                resolve();
            });
        }

        return axios.get('/api/account/search/' + username)
        .then(
            (response) => {
                dispatch(searchSuccess(response.data));
            }
        ).catch(
            (error) => {
                dispatch(searchError());
            }
        );


    };
}