import { call, all } from "redux-saga/effects";
// Let's assume Api.fetchUser() returns Promise<User>
// Api.fetchConfig1/fetchConfig2 returns Promise<Config1>, Promise<Config2>
import Api from "...";

function* fetchUser(action) {
  // `user` has type any
  const user = yield call(Api.fetchUser, action.payload.userId);
  ...
}

function* fetchConfig() {}
  // `result` has type any
  const result = yield all({
    api1: call(Api.fetchConfig1),
    api2: call(Api.fetchConfig2),
  });
  ...
}

// Note we import `call` from typed-redux-saga
import { call, all } from "typed-redux-saga";
// Let's assume Api.fetchUser() returns Promise<User>
// Api.fetchConfig1/fetchConfig2 returns Promise<Config1>, Promise<Config2>
import Api from "...";

function* fetchUser(action) {
  // Note yield is replaced with yield*
  // `user` now has type User, not any!
  const user = yield* call(Api.fetchUser, action.payload.userId);
  ...
}

function* fetchConfig() {}
  // Note yield is replaced with yield*
  // `result` now has type {api1: Config1, api2: Config2}
  const result = yield* all({
    api1: call(Api.fetchConfig1),
    api2: call(Api.fetchConfig2),
  });
  ...
}