daddy/frontend/src/store/sagas/failure.ts

import { UnauthorizedError } from "../../util/daddy";
import { put, all, takeEvery } from 'redux-saga/effects';
import { logout } from '../actions/auth';

export function* failureRootSaga() {
  yield all([
    takeEvery(patternFromRegExp(/^.*_FAILURE/), failuresSaga),
  ]);
}

export function* failuresSaga(action) {
  if (action.error instanceof UnauthorizedError) {
    yield put(logout());
  }
}

export function patternFromRegExp(re: any)  {
  return (action: any) => {
    return re.test(action.type);
  };
}