ad provider fix 2

jest/lib.tsx

@@ -21,6 +21,7 @@ const PAGE_PROPS = {
   number: '',
   q: '',
   name: '',
+  adBannerProvider: '',
 };
 
 const TestApp = ({ children }: {children: React.ReactNode}) => {

lib/contexts/app.tsx

@@ -16,6 +16,7 @@ const AppContext = createContext<PageProps>({
   number: '',
   q: '',
   name: '',
+  adBannerProvider: '',
 });
 
 export function AppContextProvider({ children, pageProps }: Props) {

nextjs/getServerSideProps.ts

@@ -14,7 +14,7 @@ export type Props = {
   number: string;
   q: string;
   name: string;
-  adBannerProvider: string | null;
+  adBannerProvider: string;
 }
 
 export const base: GetServerSideProps<Props> = async({ req, query }) => {
@@ -28,7 +28,7 @@ export const base: GetServerSideProps<Props> = async({ req, query }) => {
         return adBannerFeature.provider;
       }
     }
-    return null;
+    return '';
   })();
 
   return {