A saga example from the redux saga network layer pattern.

network-layer-example.js

import { all, call, put, takeLatest } from "redux-saga/effects";
import { FETCH_USER_ORDERS_REQUEST, FETCH_USER_ORDERS_RESPONSE } from "../types";
import { fetchOrdersRequest } from "../api";

export function* fetchUserOrders(action, baseUrl) {
  try {
    const { filter } = action.payload;
    const orders = yield call(fetchOrdersRequest, baseUrl, filter);

     yield put({
      type: FETCH_USER_ORDERS_RESPONSE,
      payload: { data: orders }
    });
  } catch (e) {
    const data = e.response.data || {};
    yield put({
      type: FETCH_USER_ORDERS_RESPONSE,
      payload: { ...data },
      error: true
    });
  }
}

export default function* UserOrdersSaga(baseUrl) {
  yield all([
    takeLatest(FETCH_USER_ORDERS_REQUEST, action => fetchUserOrders(action, baseUrl));
  ]);
}