A safe localStorage access wrapper

safeLocalStorage.js

(function(n) {
    function t(n) {
        function i() {
            try {
                var t = "__some_random_key_we_are_not_going_to_use__";
                return n().setItem(t, t),
                n().removeItem(t),
                !0
            } catch (i) {
                return false;
            }
        }
        function getItem(r) {
            return (console.log("safeLocalStorage.getItem()", r),
            i()) ? n().getItem(r) : t[r] || null
        }
        function setItem(r, u) {
            console.log("safeLocalStorage.setItem()", r, u);
            i() ? n().setItem(r, u) : t[r] = u
        }
        function removeItem(r) {
            i() ? n().removeItem(r) : delete t[r]
        }
        function clear() {
            i() ? n().clear() : t = {}
        }
        function key(r) {
            return i() ? n().key(r) : Object.keys(t)[r] || null
        }
        var t = {};
        return {
            getItem: getItem,
            setItem: setItem,
            removeItem: removeItem,
            clear: clear,
            key: key
        }
    }
    n.safeLocalStorage = new t(function() {
        return n.localStorage
    })
}
)(window);