Add caching to fetch wrapper

app/helpers/fetchWrapper.js

@@ -1,5 +1,9 @@
 const nodeFetch = require("node-fetch");
 const AbortController = require('abort-controller');
+const FetchCache = require('@sozialhelden/fetch-cache').default;
+
+console.log("Fc ", FetchCache)
+
 const {
   USER_AGENT,
   USE_SCRAPER_API,
@@ -12,7 +16,20 @@ const timeout = (ms) => {
     return new Promise(resolve => setTimeout(resolve, ms));
 }
 
-const fetch = async (url, options = {}) => {
+const fetchCache = new FetchCache({
+  fetch: nodeFetch,
+  cacheOptions: {
+    // Don't save more than 100 responses in the cache. Allows infinite responses by default
+    maximalItemCount: 10000,
+    // When should the cache evict responses when its full?
+    evictExceedingItemsBy: 'age', // Valid values: 'lru' or 'age'
+    defaultTTL: 10 * 60 * 1000  // 10 minutes
+    // ...see https://github.com/sozialhelden/hamster-cache for all possible options
+  },
+});
+
+
+const fetch = async (url, options = {}, useCache = true) => {
   const controller = new AbortController();
 
   const newOptions = Object.assign({}, options);
@@ -32,7 +49,8 @@ const fetch = async (url, options = {}) => {
   const urlAdaptedForScraping = USE_SCRAPER_API
     ? `${SCRAPER_API_BASE_URL}?api_key=${SCRAPER_API_KEY}&url=${urlToFetchThroughAPI}`
     : url;
-  const result = nodeFetch(urlAdaptedForScraping, newOptions);
+  const result = useCache ? fetchCache.fetch(urlAdaptedForScraping, newOptions) : nodeFetch(urlAdaptedForScraping, newOptions);
+
   const timeoutId = setTimeout(() => controller.abort(), NODE_FETCH_TIMEOUT_MS);
   return result;
 };