Browser Storage - Handling localstorage, sessionStorage, cookie and alternativeStorage if storage not available

stroage-provider.js

function Storage() {
}

function SessionStorageProvider() {
    try {
        sessionStorage.setItem("storage", "");
        sessionStorage.removeItem("storage");
        this.storage = sessionStorage;
    } catch (err) {
        this.storage = new LocalStorageAlternative();
    }
}

function LocalStorageProvider() {
    try {
        localStorage.setItem("storage", "");
        localStorage.removeItem("storage");
        this.storage = localStorage;
    } catch (err) {
        this.storage = new LocalStorageAlternative();
    }
}

function CookieStorageProvider() {
}

function LocalStorageAlternative() {

    var structureLocalStorage = {};

    this.setItem = function (key, value) {
        structureLocalStorage[key] = value;
    }

    this.getItem = function (key) {
        if(typeof structureLocalStorage[key] != 'undefined' ) {
            return structureLocalStorage[key];
        }
        else {
            return null;
        }
    }

    this.removeItem = function (key) {
        structureLocalStorage[key] = undefined;
    }
}

Storage.prototype.set = function (key, value) {
    if(_.isEmpty(key)) {
        throw new Error('Key or value missing while storing to storage');
    }
    this.storage.setItem(key, JSON.stringify(value));
};

Storage.prototype.get = function(key) {
    if(_.isEmpty(key)) {
        throw new Error('Key missing while reading from storage');
    }
    return JSON.parse(this.storage.getItem(key))
};

Storage.prototype.clear = function() {
    this.storage.clear();
};

Storage.prototype.removeItem = function(key) {
    if(_.isEmpty(key)) {
        throw new Error('Key missing while deleting from storage');
    }
    this.storage.removeItem(key);
};

CookieStorageProvider.prototype.get = function(key) {
    if(!key || !_.isString(key)) {
        return;
    }
    var allCookies = document.cookie.split(';');
    var resultCookies = _.chain(allCookies).map(function(cookie) {
        var cookieObj = {};
        var split = _.map(cookie.split('='), function(data) {
            return data.trim();
        });
        if(_.first(split) === key) {
            return JSON.parse(split[1] || '');
        }
        return false;
    }).compact().value();
    return resultCookies.length ? _.first(resultCookies) : null;
};

CookieStorageProvider.prototype.set = function(key, value) {

    var cookie = key.toString() + '=' + JSON.stringify(value);
    document.cookie = cookie;
};

CookieStorageProvider.prototype.removeItem = function(key) {
    if(!key) {
        return;
    }
    //setting previous time to expires will delete cookie.
    document.cookie = key + '=;expires=Thu, 01 Jan 1970 00:00:01 GMT;';
};

SessionStorageProvider.prototype = Object.create(Storage.prototype);
SessionStorageProvider.prototype.constructor = SessionStorageProvider;

LocalStorageProvider.prototype = Object.create(Storage.prototype);
LocalStorageProvider.prototype.constructor = LocalStorageProvider;

var storage = {
    sessionStorageProvider: new SessionStorageProvider(),
    localStorageProvider: new LocalStorageProvider(),
    cookieStorageProvider: new CookieStorageProvider()
};

export default storage;