redux-thunk example
const GET_CURRENT_USER = 'GET_CURRENT_USER';
const GET_CURRENT_USER_SUCCESS = 'GET_CURRENT_USER_SUCCESS';
const GET_CURRENT_USER_FAILURE = 'GET_CURRENT_USER_FAILURE';
const getUser = () => {
return (dispatch) => { //nameless functions
// Initial action dispatched
dispatch({ type: GET_CURRENT_USER });
// Return promise with success and failure actions
return axios.get('/api/auth/user').then(
user => dispatch({ type: GET_CURRENT_USER_SUCCESS, user }),
err => dispatch({ type: GET_CURRENT_USER_FAILURE, err })
);
};
};