stream-saga/src/js/sagas/api-saga.js

import { takeEvery, call, put } from 'redux-saga/effects'

export default function* watcherSaga() {
	yield takeEvery("DATA_REQUESTED", workerSaga)
}

function* workerSaga() {
	try {
		const payload = yield call(getData)
		yield put({ type: "DATA_LOADED", payload })
	} catch (e) {
		yield put({ type: "API_ERRORED", payload: e })
	}
}

function getData() {
	// return fetch("http://localhost:3030/api/twitter?hashtag=tesla").then(res1 =>
	// 	res1.json()
	// )

	return fetch("https://jsonplaceholder.typicode.com/posts").then(response =>
		response.json()
	)
}