Initialisation

Added the packages and files for the backend server

node_modules/@apollo/utils.keyvaluecache/dist/InMemoryLRUCache.js

@@ -0,0 +1,47 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.InMemoryLRUCache = void 0;
+const lru_cache_1 = __importDefault(require("lru-cache"));
+class InMemoryLRUCache {
+    constructor(lruCacheOpts) {
+        this.cache = new lru_cache_1.default({
+            sizeCalculation: InMemoryLRUCache.sizeCalculation,
+            maxSize: Math.pow(2, 20) * 30,
+            ...lruCacheOpts,
+        });
+    }
+    static sizeCalculation(item) {
+        if (typeof item === "string") {
+            return item.length;
+        }
+        if (typeof item === "object") {
+            return Buffer.byteLength(JSON.stringify(item), "utf8");
+        }
+        return 1;
+    }
+    async set(key, value, options) {
+        if (options === null || options === void 0 ? void 0 : options.ttl) {
+            this.cache.set(key, value, { ttl: options.ttl * 1000 });
+        }
+        else {
+            this.cache.set(key, value);
+        }
+    }
+    async get(key) {
+        return this.cache.get(key);
+    }
+    async delete(key) {
+        return this.cache.delete(key);
+    }
+    clear() {
+        this.cache.clear();
+    }
+    keys() {
+        return [...this.cache.keys()];
+    }
+}
+exports.InMemoryLRUCache = InMemoryLRUCache;
+//# sourceMappingURL=InMemoryLRUCache.js.map