async_func.js

const getPostById = async (dispatch, id) => {
    dispatch({ type: GET_POSTS_BY_ID_REQUEST });
 
    try {
        const response = await getPostsById(id);
        const res = await response.json();
        dispatch({ type: GET_POSTS_BY_ID_SUCCESS, payload: res });
    } catch (e) {
        dispatch({ type: GET_POSTS_BY_ID_FAIL, payload: e });
    }
};