redux saga

saga.js

/** 
  * shortcut for fork (no need to define separate watch functions  
  * https://yelouafi.github.io/redux-saga/docs/basics/UsingSagaHelpers.html
  */
import { takeLatest } from 'redux-saga'
import { fork } from 'redux-saga/effects'

function* fetchUsers(action) { }
function* createUser(action) { }

// will start takeEvery in the background and provide it with the subsequent arguments
export default function* rootSaga() {
  yield fork(takeLatest, 'FETCH_USERS', fetchUsers)
  yield fork(takeLatest, 'CREATE_USER', createUser)
}

/** use select effect to get state */
import { select } from 'redux-saga/effects';

export function* selectBuyer(action) {
  const accessToken = yield select((state) => state.user.accessToken);
}