Redux Thunk

const actionsCreator = {
 `fetchUsers: () => {
    return function (dispatch) {
      dispatch(actionCreators.requestUsers());

      return fetch("https://jsonplaceholder.typicode.com/users")
      .then(
        response => {
          if (response.ok) {
            return response.json()
          }
          throw new Error("404");
        }
      )
      .then(json =>
        dispatch(actionCreators.requestUsersSuccess(json))
      ).catch(error => {
        console.error(error);
        dispatch(actionCreators.requestUsersError(error))
      })
    }
  }`
}