Remove extra types

See: https://github.com/storybookjs/storybook/pull/19382/#discussion_r989365320

code/frameworks/nextjs/package.json

@@ -41,11 +41,6 @@
       "import": "./dist/next-image-loader-stub.mjs",
       "types": "./dist/next-image-loader-stub.d.ts"
     },
-    "./resolved-router-context.js": {
-      "require": "./dist/resolved-router-context.js",
-      "import": "./dist/resolved-router-context.mjs",
-      "types": "./dist/resolved-router-context.d.ts"
-    },
     "./package.json": "./package.json"
   },
   "main": "dist/index.js",
@@ -85,9 +80,6 @@
     "@storybook/addon-actions": "7.0.0-alpha.37",
     "@types/loader-utils": "^2.0.3",
     "next": "^12.2.4",
-    "nextv10": "npm:next@10.0.0",
-    "nextv11": "npm:next@11.0.0",
-    "nextv9": "npm:next@9.0.0",
     "typescript": "~4.6.3",
     "webpack": "^5.65.0"
   },
@@ -121,8 +113,7 @@
       "./src/index.ts",
       "./src/preset.ts",
       "./src/preview.tsx",
-      "./src/next-image-loader-stub.ts",
-      "./src/resolved-router-context.ts"
+      "./src/next-image-loader-stub.ts"
     ],
     "platform": "node"
   }

code/frameworks/nextjs/src/resolved-router-context.ts

@@ -1,12 +0,0 @@
-// this file will be aliased by webpack at runtime (this is just for typing)
-
-import { RouterContext as RouterContextV12 } from 'next/dist/shared/lib/router-context';
-import { RouterContext as RouterContextV11 } from 'nextv11/dist/next-server/lib/router-context';
-import { RouterContext as RouterContextV10 } from 'nextv10/dist/next-server/lib/router-context';
-import { RouterContext as RouterContextV9 } from 'next-server/dist/lib/router-context';
-
-export const RouterContext:
-  | typeof RouterContextV12
-  | typeof RouterContextV11
-  | typeof RouterContextV10
-  | typeof RouterContextV9 = RouterContextV12;

code/frameworks/nextjs/src/routing/decorator.tsx

@@ -2,9 +2,8 @@ import * as React from 'react';
 // this will be aliased by webpack at runtime (this is just for typing)
 import { action as originalAction } from '@storybook/addon-actions';
 import { StoryContext } from '@storybook/addons';
-import { RouterContext } from '../resolved-router-context';
-// this will be aliased by webpack at runtime (this is just for typing)
-import Router from './resolved-router';
+import type { RouterContext } from 'next/dist/shared/lib/router-context';
+import Router from 'next/router';
 
 let action: typeof originalAction;
 

code/frameworks/nextjs/src/routing/resolved-router.ts

@@ -1,10 +0,0 @@
-// this file will be aliased by webpack at runtime (this is just for typing)
-
-import Router, { SingletonRouter as NextRouterV12 } from 'next/router';
-import { SingletonRouter as NextRouterV11 } from 'nextv11/router';
-import { SingletonRouter as NextRouterV10 } from 'nextv10/router';
-import { SingletonRouter as NextRouterV9 } from 'nextv9/router';
-
-export type NextRouter = NextRouterV12 | NextRouterV11 | NextRouterV10 | NextRouterV9;
-
-export default Router as NextRouter;

code/frameworks/nextjs/src/routing/webpack.tsx

@@ -6,11 +6,6 @@ export const configureRouting = (baseConfig: WebpackConfig): void => {
   // here we resolve the router context path with the installed version of Next.js
   const routerContextPath = getRouterContextPath();
   addScopedAlias(baseConfig, routerContextPath);
-  addScopedAlias(
-    baseConfig,
-    require.resolve('@storybook/nextjs/resolved-router-context.js'),
-    routerContextPath
-  );
 };
 
 const getRouterContextPath = () => {