DomStore.prototype.addOrUpdate = function()

in lib/store/dom.js [145:175]

• 28 lines of code
• 7 McCabe index (conditional complexity)

DomStore.prototype.addOrUpdate = function (key, value, success, error) {
    error = error || this.defaultError;

    if (key instanceof Array) {
        error({ message: "Array of keys not supported" });
    } else {
        var fullKey = qualifyDomStoreKey(this, key);
        var oldDateToJSON = Date.prototype.toJSON;
        try {
            var storedValue = value;
            if (storedValue !== undefined) {
                // Dehydrate using json
                Date.prototype.toJSON = domStoreDateToJSON;
                storedValue = window.JSON.stringify(value);
            }
            // Save the json string.
            localStorage.setItem(fullKey, storedValue);
            delay(success, key, value);
        }
        catch (e) {
            if (e.code === 22 || e.number === 0x8007000E) {
                delay(error, { name: "QUOTA_EXCEEDED_ERR", error: e });
            } else {
                delay(error, e);
            }
        }
        finally {
            Date.prototype.toJSON = oldDateToJSON;
        }
    }
};