initial commit

src/backend/cache.ts

@@ -0,0 +1,17 @@
+
+
+var _fakeLRUcount = 0;
+export const fakeDemoRedisCache = {
+  _cache: {},
+  get: (key) => {
+    let cache = fakeDemoRedisCache._cache[key];
+    _fakeLRUcount++;
+    if (_fakeLRUcount >= 10) {
+      fakeDemoRedisCache.clear();
+      _fakeLRUcount = 0;
+    }
+    return cache;
+  },
+  set: (key, data) => fakeDemoRedisCache._cache[key] = data,
+  clear: () => fakeDemoRedisCache._cache = {}
+};