asyncLocalStorage.js

const asyncLocalStorage = {
    setItem: function (key, value) {
        return Promise.resolve().then(function () {
            localStorage.setItem(key, value);
        });
    },
    getItem: function (key) {
        return Promise.resolve().then(function () {
            return localStorage.getItem(key);
        });
    }
};


////OR/////
//with newer syntax
const asyncLocalStorage = {
    setItem: async function (key, value) {
        await null;
        return localStorage.setItem(key, value);
    },
    getItem: async function (key) {
        await null;
        return localStorage.getItem(key);
    }
};