saga.js

  
import { all, call, delay, put, take, takeLatest } from 'redux-saga/effects'
import { actionTypes, failure, loadDataSuccess, tickClock } from './actions';

const fetch = require("node-fetch");

function* runClockSaga() {
  yield take(actionTypes.START_CLOCK)
  while (true) {
    yield put(tickClock(false))
    yield delay(1000)
  }
}

function* loadDataSaga() {
  try {
    const res = yield fetch('https://currencyapi.net/api/v1/rates?key=Pu2adq0vvTMQ4UhU3sRA8kBlluu7fok94EQU')
    console.log(res)
    const data = yield res.json()
    yield put(loadDataSuccess(data))
  } catch (err) {
    yield put(failure(err))
  }
}

function* rootSaga() {
  yield all([
    call(runClockSaga),
    takeLatest(actionTypes.LOAD_DATA, loadDataSaga),
  ])
}

export default rootSaga