Add runtime to PageConfig type

packages/next/build/analysis/get-page-static-info.ts

@@ -1,4 +1,4 @@
-import { isServerRuntime, ServerRuntime } from '../../server/config-shared'
+import { isServerRuntime } from '../../server/config-shared'
 import type { NextConfig } from '../../server/config-shared'
 import {
   extractExportedConstValue,
@@ -10,6 +10,7 @@ import { promises as fs } from 'fs'
 import { tryToParsePath } from '../../lib/try-to-parse-path'
 import * as Log from '../output/log'
 import { SERVER_RUNTIME } from '../../lib/constants'
+import { ServerRuntime } from '../../types'
 
 interface MiddlewareConfig {
   pathMatcher: RegExp

packages/next/build/entries.ts

@@ -2,7 +2,6 @@ import type { ClientPagesLoaderOptions } from './webpack/loaders/next-client-pag
 import type { MiddlewareLoaderOptions } from './webpack/loaders/next-middleware-loader'
 import type { EdgeSSRLoaderQuery } from './webpack/loaders/next-edge-ssr-loader'
 import type { NextConfigComplete } from '../server/config-shared'
-import type { ServerRuntime } from '../server/config-shared'
 import type { ServerlessLoaderQuery } from './webpack/loaders/next-serverless-loader'
 import type { webpack5 } from 'next/dist/compiled/webpack/webpack'
 import type { LoadedEnvFiles } from '@next/env'
@@ -38,6 +37,7 @@ import { getPageStaticInfo } from './analysis/get-page-static-info'
 import { normalizePathSep } from '../shared/lib/page-path/normalize-path-sep'
 import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path'
 import { serverComponentRegex } from './webpack/loaders/utils'
+import { ServerRuntime } from '../types'
 
 type ObjectValue<T> = T extends { [key: string]: infer V } ? V : never
 

packages/next/build/utils.ts

@@ -1,4 +1,4 @@
-import type { NextConfigComplete, ServerRuntime } from '../server/config-shared'
+import type { NextConfigComplete } from '../server/config-shared'
 
 import '../server/node-polyfill-fetch'
 import chalk from 'next/dist/compiled/chalk'
@@ -27,7 +27,7 @@ import { getRouteMatcher } from '../shared/lib/router/utils/route-matcher'
 import { isDynamicRoute } from '../shared/lib/router/utils/is-dynamic'
 import escapePathDelimiters from '../shared/lib/router/utils/escape-path-delimiters'
 import { findPageFile } from '../server/lib/find-page-file'
-import { GetStaticPaths, PageConfig } from 'next/types'
+import { GetStaticPaths, PageConfig, ServerRuntime } from 'next/types'
 import { BuildManifest } from '../server/get-page-files'
 import { removeTrailingSlash } from '../shared/lib/router/utils/remove-trailing-slash'
 import { UnwrapPromise } from '../lib/coalesced-function'

packages/next/lib/constants.ts

@@ -1,4 +1,4 @@
-import type { ServerRuntime } from '../server/config-shared'
+import type { ServerRuntime } from '../types'
 import { join } from '../shared/lib/isomorphic/path'
 
 export const NEXT_PROJECT_ROOT = join(__dirname, '..', '..')

packages/next/server/app-render.tsx

@@ -1,6 +1,6 @@
 import type { IncomingHttpHeaders, IncomingMessage, ServerResponse } from 'http'
 import type { LoadComponentsReturnType } from './load-components'
-import type { ServerRuntime } from './config-shared'
+import type { ServerRuntime } from '../types'
 
 import React from 'react'
 import { ParsedUrlQuery, stringify as stringifyQuery } from 'querystring'

packages/next/server/base-server.ts

@@ -6,11 +6,7 @@ import type { FontManifest } from './font-utils'
 import type { LoadComponentsReturnType } from './load-components'
 import type { RouteMatch } from '../shared/lib/router/utils/route-matcher'
 import type { Params } from '../shared/lib/router/utils/route-matcher'
-import type {
-  NextConfig,
-  NextConfigComplete,
-  ServerRuntime,
-} from './config-shared'
+import type { NextConfig, NextConfigComplete } from './config-shared'
 import type { NextParsedUrlQuery, NextUrlWithParsedQuery } from './request-meta'
 import type { ParsedUrlQuery } from 'querystring'
 import type { RenderOpts, RenderOptsPartial } from './render'
@@ -23,7 +19,7 @@ import {
   normalizeRepeatedSlashes,
   MissingStaticPage,
 } from '../shared/lib/utils'
-import type { PreviewData } from 'next/types'
+import type { PreviewData, ServerRuntime } from 'next/types'
 import type { PagesManifest } from '../build/webpack/plugins/pages-manifest-plugin'
 import type { BaseNextRequest, BaseNextResponse } from './base-http'
 import type { PayloadOptions } from './send-payload'

packages/next/server/config-shared.ts

@@ -7,8 +7,7 @@ import {
   imageConfigDefault,
   RemotePattern,
 } from '../shared/lib/image-config'
-
-export type ServerRuntime = 'nodejs' | 'experimental-edge' | undefined
+import { ServerRuntime } from 'next/types'
 
 export type NextConfigComplete = Required<NextConfig> & {
   images: Required<ImageConfigComplete>

packages/next/server/render.tsx

@@ -18,10 +18,14 @@ import type { Redirect } from '../lib/load-custom-routes'
 import type { NextApiRequestCookies, __ApiPreviewProps } from './api-utils'
 import type { FontManifest } from './font-utils'
 import type { LoadComponentsReturnType, ManifestItem } from './load-components'
-import type { GetServerSideProps, GetStaticProps, PreviewData } from '../types'
+import type {
+  GetServerSideProps,
+  GetStaticProps,
+  PreviewData,
+  ServerRuntime,
+} from 'next/types'
 import type { UnwrapPromise } from '../lib/coalesced-function'
 import type { ReactReadableStream } from './node-web-streams-helper'
-import type { ServerRuntime } from './config-shared'
 
 import React from 'react'
 import { StyleRegistry, createStyleRegistry } from 'styled-jsx'

packages/next/shared/lib/html-context.ts

@@ -1,5 +1,5 @@
 import type { BuildManifest } from '../../server/get-page-files'
-import type { ServerRuntime } from '../../server/config-shared'
+import type { ServerRuntime } from 'next/types'
 import type { NEXT_DATA } from './utils'
 
 import { createContext } from 'react'

packages/next/types/index.d.ts

@@ -23,6 +23,8 @@ import {
 // @ts-ignore This path is generated at build time and conflicts otherwise
 import next from '../dist/server/next'
 
+export type ServerRuntime = 'nodejs' | 'experimental-edge' | undefined
+
 // @ts-ignore This path is generated at build time and conflicts otherwise
 export { NextConfig } from '../dist/server/config'
 
@@ -81,6 +83,7 @@ export type PageConfig = {
     externalResolver?: true
   }
   env?: Array<string>
+  runtime?: ServerRuntime
   unstable_runtimeJS?: false
   unstable_JsPreload?: false
   unstable_includeFiles?: string[]

test/production/typescript-basic/app/pages/api/hello.ts

@@ -0,0 +1,9 @@
+import { PageConfig } from 'next'
+
+export const config: PageConfig = {
+  runtime: 'nodejs',
+}
+
+export default function handler(req, res) {
+  res.json({ hello: 'world' })
+}