gistfile1.js

function updatePosts(posts) {
  return {
    type: "UPDATE_POSTS",
    posts
  };
}

// action thunk
function goGetLatestPostsForUser(userID) {
  return async (dispatch, getState) => {
    // make normal http request to our API backend
    const response = fetch('/getPosts/${useriD}');
    const data = response.body // the shape of the data here is determined by whatever the API returns, might be a JSOn object, might be a string, could be boolean, whatever. This example pretends it's ready to be stored right away
    dispatch(updatePosts(data))
  };
}


// usage
const mapDispatchToProps = (dispatch, ownProps) => {
  return {
    getPosts: async () => {
      dispatch(setLoading(true));
      await dispatch(goGetLatestPostsForUser(ownProps.userID));
      dispatch(setLoading(false));
    }
  };
};