Eliminate path and utils from base server (#39622)

`_isLikeServerless` is only needed by the Node.js server.

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm lint`
- [ ] The examples guidelines are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing.md#adding-examples)

packages/next/server/base-server.ts

@@ -28,14 +28,11 @@ import type { PagesManifest } from '../build/webpack/plugins/pages-manifest-plug
 import type { BaseNextRequest, BaseNextResponse } from './base-http'
 import type { PayloadOptions } from './send-payload'
 
-import { join } from '../shared/lib/isomorphic/path'
 import { parse as parseQs } from 'querystring'
 import { format as formatUrl, parse as parseUrl } from 'url'
 import { getRedirectStatus } from '../lib/redirect-status'
 import {
   NEXT_BUILTIN_DOCUMENT,
-  SERVERLESS_DIRECTORY,
-  SERVER_DIRECTORY,
   STATIC_STATUS_PAGES,
   TEMPORARY_REDIRECT_STATUS,
 } from '../shared/lib/constants'
@@ -46,7 +43,6 @@ import {
   checkIsManualRevalidate,
 } from './api-utils'
 import * as envConfig from '../shared/lib/runtime-config'
-import { isTargetLikeServerless } from './utils'
 import Router from './router'
 import { getPathMatch } from '../shared/lib/router/utils/path-match'
 import { setRevalidateHeaders } from './send-payload/revalidate-headers'
@@ -2124,17 +2120,6 @@ export default abstract class Server<ServerOptions extends Options = Options> {
     res.statusCode = 404
     return this.renderError(null, req, res, pathname!, query, setHeaders)
   }
-
-  protected get _isLikeServerless(): boolean {
-    return isTargetLikeServerless(this.nextConfig.target)
-  }
-
-  protected get serverDistDir() {
-    return join(
-      this.distDir,
-      this._isLikeServerless ? SERVERLESS_DIRECTORY : SERVER_DIRECTORY
-    )
-  }
 }
 
 export { stringifyQuery } from './server-route-utils'

packages/next/server/next-server.ts

@@ -39,6 +39,8 @@ import {
   CLIENT_PUBLIC_FILES_PATH,
   APP_PATHS_MANIFEST,
   FLIGHT_SERVER_CSS_MANIFEST,
+  SERVERLESS_DIRECTORY,
+  SERVER_DIRECTORY,
 } from '../shared/lib/constants'
 import { recursiveReadDirSync } from './lib/recursive-readdir-sync'
 import { format as formatUrl, UrlWithParsedQuery } from 'url'
@@ -84,7 +86,7 @@ import { removeTrailingSlash } from '../shared/lib/router/utils/remove-trailing-
 import { getNextPathnameInfo } from '../shared/lib/router/utils/get-next-pathname-info'
 import { bodyStreamToNodeStream, getClonableBody } from './body-streams'
 import { checkIsManualRevalidate } from './api-utils'
-import { shouldUseReactRoot } from './utils'
+import { shouldUseReactRoot, isTargetLikeServerless } from './utils'
 import ResponseCache from './response-cache'
 import { IncrementalCache } from './lib/incremental-cache'
 import { getSortedRoutes } from '../shared/lib/router/utils/sorted-routes'
@@ -1710,4 +1712,15 @@ export default class NextNodeServer extends BaseServer {
 
     return result
   }
+
+  protected get _isLikeServerless(): boolean {
+    return isTargetLikeServerless(this.nextConfig.target)
+  }
+
+  protected get serverDistDir() {
+    return join(
+      this.distDir,
+      this._isLikeServerless ? SERVERLESS_DIRECTORY : SERVER_DIRECTORY
+    )
+  }
 }