Fix params/searchParams types for Next.js app router

app/(payload)/gestion59/[[...segments]]/page.tsx

@@ -1,16 +1,33 @@
-import { RootPage, generatePageMetadata } from '@payloadcms/next/views'
-import config from '../../../../payload.config'
-import { importMap } from '../importMap'
+import { RootPage, generatePageMetadata } from '@payloadcms/next/views';
+import config from '../../../../payload.config';
+import { importMap } from '../importMap';
 
-type Args = {
-  params: Promise<{ segments: string[] }>
-  searchParams: Promise<{ [key: string]: string | string[] }>
+export type PayloadRouteParams = {
+  segments?: string[];
+};
+
+export type PayloadRouteSearchParams = {
+  [key: string]: string | string[] | undefined;
+};
+
+type Props = {
+  params: PayloadRouteParams;
+  searchParams: PayloadRouteSearchParams;
+};
+
+export const generateMetadata = (props: Props) => {
+  return generatePageMetadata({
+    config,
+    params: Promise.resolve(props.params) as Promise<{ [key: string]: string | string[] }>,
+    searchParams: Promise.resolve(props.searchParams) as Promise<{ [key: string]: string | string[] }>,
+  });
+};
+
+export default function Page(props: Props) {
+  return RootPage({
+    config,
+    importMap,
+    params: Promise.resolve(props.params) as Promise<{ segments: string[] }>,
+    searchParams: Promise.resolve(props.searchParams) as Promise<{ [key: string]: string | string[] }>,
+  });
 }
-
-export const generateMetadata = ({ params, searchParams }: Args) =>
-  generatePageMetadata({ config, params, searchParams })
-
-const Page = ({ params, searchParams }: Args) =>
-  RootPage({ config, importMap, params, searchParams })
-
-export default Page