Add memoization for redirection

Author: keshan3262

src/utils/temple-ads-redirection.ts

@@ -1,4 +1,5 @@
 import { Router } from 'express';
+import memoizee from 'memoizee';
 
 import { EnvVars } from '../config';
 
@@ -8,14 +9,18 @@ export const addTempleAdsRedirection = (
   isMisesVariable: boolean,
   templeAdsPathMainPart = path
 ) => {
+  const getRedirectionUrl = memoizee(
+    (extVersion: string, isMisesBrowser: boolean) =>
+      `${EnvVars.TEMPLE_ADS_API_URL}/v1/api/ads-rules/${extVersion}${templeAdsPathMainPart}${
+        isMisesVariable ? (isMisesBrowser ? '/mises' : '/no-mises') : ''
+      }`,
+    { max: 1000, normalizer: args => JSON.stringify(args) }
+  );
+
   router.get(path, (req, res) => {
     const { extVersion: rawExtVersion, isMisesBrowser: rawIsMisesBrowser } = req.query;
     const extVersion = typeof rawExtVersion === 'string' ? rawExtVersion : '0.0.0';
     const isMisesBrowser = rawIsMisesBrowser === 'true';
-    res.redirect(
-      `${EnvVars.TEMPLE_ADS_API_URL}/v1/api/ads-rules/${extVersion}${templeAdsPathMainPart}${
-        isMisesVariable ? (isMisesBrowser ? '/mises' : '/no-mises') : ''
-      }`
-    );
+    res.redirect(getRedirectionUrl(extVersion, isMisesBrowser));
   });
 };