2017/06/13 [Medium] redux-saga factories and decorators

05_auth.js

// Just an example of `isAuthenticated` selector
const selector = {
  isAuthenticated: state => state.auth.isAuthenticated
}

export const authRequired = (saga) => function* (action) {
  const isAuthenticated = yield select(selector.isAuthenticated)

  // If user isn't authenticated, redirect him to /login
  if (!isAuthenticated) {
    yield call(to => window.location = to, `/login`)

  // Otherwise, proceed to original saga
  } else {
    yield* saga(action)
  }
}