localstorage.js

const CLAVE_LOCALSTORAGE = "lista_tareas";
const obtenerTareasDeAlmacenamiento = () => {
  const posibleLista = JSON.parse(localStorage.getItem(CLAVE_LOCALSTORAGE));
  if (posibleLista) {
    return posibleLista;
  } else {
    return [];
  }
};

const guardarTareasEnAlmacenamiento = () => {
  localStorage.setItem(CLAVE_LOCALSTORAGE, JSON.stringify(tareas));
};