import { Underflag, JsonDataProvider } from "underflag";
import { MemcachedDataProvider } from "underflag-memcached";
import memjs from 'memjs';

// memcached cache provider
const client = memjs.Client.create();
const cacheProvider = new MemcachedCacheProvider({ client, lifetime: 60 });

const dataProvider = new JsonDataProvider({ data: { feature: true }});
const underflag = new Underflag({ dataProvider, cacheProvider });
if (await underflag.isOn("feature")) {
    // ...
}