redux thunk example

1const GET_CURRENT_USER = 'GET_CURRENT_USER';
2const GET_CURRENT_USER_SUCCESS = 'GET_CURRENT_USER_SUCCESS';
3const GET_CURRENT_USER_FAILURE = 'GET_CURRENT_USER_FAILURE';
4
5const getUser = () => {
6  return (dispatch) => {     //nameless functions
7    // Initial action dispatched
8    dispatch({ type: GET_CURRENT_USER });
9    // Return promise with success and failure actions
10    return axios.get('/api/auth/user').then(  
11      user => dispatch({ type: GET_CURRENT_USER_SUCCESS, user }),
12      err => dispatch({ type: GET_CURRENT_USER_FAILURE, err })
13    );
14  };
15};

1const INCREMENT_COUNTER = 'INCREMENT_COUNTER';
2
3function increment() {
4  return {
5    type: INCREMENT_COUNTER
6  };
7}
8
9function incrementAsync() {
10  return dispatch => {
11    setTimeout(() => {
12      // You can invoke sync or async actions with `dispatch`
13      dispatch(increment());
14    }, 1000);
15  };
16}