react-localstorage.js

exports.reactLocalStorage = {
    set: function(key, value) {
        localStorage[key] = value;
        return localStorage[key];
    },
    get: function(key, defaultValue=undefined, silent=true) {
        var value = localStorage.hasOwnProperty(key) ? localStorage[key] : defaultValue;

        // if silent=false throw error
        if(!silent && !value)
            throw key + " not found in localStorage";

        return value;
    },
    setObject: function(key, value) {
        localStorage[key] = JSON.stringify(value);
        return localStorage[key];
    },
    getObject: function(key, defaultValue={}, silent=true) {
        value = this.get(key, JSON.stringify(defaultValue), silent);

        try{
            return JSON.parse(value);
        } catch(e) {
            // will raise error for parsing
            if(!silent)
                throw 'Error in parsing value'
        }
    },
    clear: function() {
        return localStorage.clear();
    },
    remove: function(key) {
        return localStorage.removeItem(key);
    },
}