todo.js

import { todoRequest } from "./api"

function* todoRequestWorker() {
    try {
        const result = yield call(todoRequest);
        yield put({type: "FETCH_TODO_SUCCESS", value: result});
        return result;
    } catch (e) {
        yield put({type: "FETCH_TODO_ERROR", e});
    }
}

function* fetchTodoWorker() {
    const result = yield call(todoRequestWorker);
}