Merge pull request #832 from blockscout/stats-conditional

no stats endpoint -- no stats page

lib/hooks/useNavItems.tsx

@@ -154,7 +154,12 @@ export default function useNavItems(): ReturnType {
         icon: appsIcon,
         isActive: pathname.startsWith('/app'),
       } : null,
-      { text: 'Charts & stats', nextRoute: { pathname: '/stats' as const }, icon: statsIcon, isActive: pathname === '/stats' },
+      appConfig.statsApi.endpoint ? {
+        text: 'Charts & stats',
+        nextRoute: { pathname: '/stats' as const },
+        icon: statsIcon,
+        isActive: pathname === '/stats',
+      } : null,
       {
         text: 'API',
         icon: apiDocsIcon,

pages/stats.tsx

@@ -1,8 +1,10 @@
-import type { NextPage } from 'next';
+import type { NextPage, GetServerSideProps } from 'next';
 import Head from 'next/head';
 import React from 'react';
 
 import appConfig from 'configs/app/config';
+import type { Props } from 'lib/next/getServerSideProps';
+import { getServerSideProps as getServerSidePropsBase } from 'lib/next/getServerSideProps';
 
 import Stats from '../ui/pages/Stats';
 
@@ -17,4 +19,12 @@ const StatsPage: NextPage = () => {
 
 export default StatsPage;
 
-export { getServerSideProps } from 'lib/next/getServerSideProps';
+export const getServerSideProps: GetServerSideProps<Props> = async(args) => {
+  if (!appConfig.statsApi.endpoint) {
+    return {
+      notFound: true,
+    };
+  }
+
+  return getServerSidePropsBase(args);
+};