From 408eac6aa9fa78e9536210c5c6700cd3bc102a5a Mon Sep 17 00:00:00 2001
From: Piotr Monwid-Olechnowicz <hasparus@gmail.com>
Date: Fri, 13 Dec 2024 20:23:37 +0100
Subject: [PATCH] `NextPageProps` (#1867)

---
 .changeset/brave-sloths-film.md       |  5 +++++
 packages/components/src/index.ts      |  1 +
 packages/components/src/next-types.ts | 27 +++++++++++++++++++++++++++
 3 files changed, 33 insertions(+)
 create mode 100644 .changeset/brave-sloths-film.md
 create mode 100644 packages/components/src/next-types.ts

diff --git a/.changeset/brave-sloths-film.md b/.changeset/brave-sloths-film.md
new file mode 100644
index 000000000..e0de04e3d
--- /dev/null
+++ b/.changeset/brave-sloths-film.md
@@ -0,0 +1,5 @@
+---
+"@theguild/components": patch
+---
+
+Add `NextPageProps` utility type
diff --git a/packages/components/src/index.ts b/packages/components/src/index.ts
index 66bc5a3e8..379a64a06 100644
--- a/packages/components/src/index.ts
+++ b/packages/components/src/index.ts
@@ -19,6 +19,7 @@ export { PRODUCTS } from './products';
 export * from './types/components';
 export * from './logos';
 export { cn } from './cn';
+export * from './next-types';
 
 declare module 'react' {
   interface CSSProperties {
diff --git a/packages/components/src/next-types.ts b/packages/components/src/next-types.ts
new file mode 100644
index 000000000..a856346a9
--- /dev/null
+++ b/packages/components/src/next-types.ts
@@ -0,0 +1,27 @@
+/**
+ * Next.js page props type.
+ * @see https://nextjs.org/docs/app/api-reference/file-conventions/page#props
+ * @see https://nextjs.org/docs/app/building-your-application/routing/dynamic-routes#good-to-know
+ */
+export interface NextPageProps<
+  TParams extends string = never,
+  TSearchParams extends string = never,
+> {
+  params: Promise<
+    UnionToIntersection<
+      {
+        [K in TParams]: {
+          [F in K extends `...${infer U}` ? U : K]: K extends `...${string}` ? string[] : string;
+        };
+      }[TParams]
+    >
+  >;
+  searchParams: Promise<{ [K in TSearchParams]?: string | string[] }>;
+}
+
+type Prettify<T> = { [K in keyof T]: T[K] } & {};
+
+type UnionToIntersection<T> = Prettify<
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  (T extends any ? (x: T) => any : never) extends (x: infer R) => any ? R : never
+>;