Update terminal tree view for switchable runtime

packages/next/build/entries.ts

@@ -1,3 +1,5 @@
+import type { PageRuntime, NextConfigComplete } from '../server/config-shared'
+import type { webpack5 } from 'next/dist/compiled/webpack/webpack'
 import fs from 'fs'
 import chalk from 'next/dist/compiled/chalk'
 import { posix, join } from 'path'
@@ -12,11 +14,9 @@ import { MiddlewareLoaderOptions } from './webpack/loaders/next-middleware-loade
 import { ClientPagesLoaderOptions } from './webpack/loaders/next-client-pages-loader'
 import { ServerlessLoaderQuery } from './webpack/loaders/next-serverless-loader'
 import { LoadedEnvFiles } from '@next/env'
-import { NextConfigComplete } from '../server/config-shared'
 import { parse } from '../build/swc'
 import { isCustomErrorPage, isFlightPage, isReservedPage } from './utils'
 import { ssrEntries } from './webpack/plugins/middleware-plugin'
-import type { webpack5 } from 'next/dist/compiled/webpack/webpack'
 import {
   MIDDLEWARE_RUNTIME_WEBPACK,
   MIDDLEWARE_SSR_RUNTIME_WEBPACK,
@@ -99,17 +99,14 @@ type Entrypoints = {
   edgeServer: webpack5.EntryObject
 }
 
-const cachedPageRuntimeConfig = new Map<
-  string,
-  [number, 'nodejs' | 'edge' | undefined]
->()
+const cachedPageRuntimeConfig = new Map<string, [number, PageRuntime]>()
 
 // @TODO: We should limit the maximum concurrency of this function as there
 // could be thousands of pages existing.
 export async function getPageRuntime(
   pageFilePath: string,
   globalRuntimeFallback?: 'nodejs' | 'edge'
-): Promise<'nodejs' | 'edge' | undefined> {
+): Promise<PageRuntime> {
   const cached = cachedPageRuntimeConfig.get(pageFilePath)
   if (cached) {
     return cached[1]
@@ -129,7 +126,7 @@ export async function getPageRuntime(
   // discussion:
   // https://github.com/vercel/next.js/discussions/34179
   let isRuntimeRequired: boolean = false
-  let pageRuntime: 'nodejs' | 'edge' | undefined = undefined
+  let pageRuntime: PageRuntime = undefined
 
   // Since these configurations should always be static analyzable, we can
   // skip these cases that "runtime" and "gSP", "gSSP" are not included in the

packages/next/build/index.ts

@@ -969,7 +969,7 @@ export default async function build(
                     join(pagesDir, pagePath),
                     config.experimental.runtime
                   )
-                : null
+                : undefined
 
             if (
               !isMiddlewareRoute &&
@@ -1084,14 +1084,13 @@ export default async function build(
               totalSize: allSize,
               static: isStatic,
               isSsg,
-              isWebSsr:
-                hasConcurrentFeatures &&
-                !isMiddlewareRoute &&
-                !isReservedPage(page) &&
-                !isCustomErrorPage(page),
               isHybridAmp,
               ssgPageRoutes,
               initialRevalidateSeconds: false,
+              runtime:
+                !isReservedPage(page) && !isCustomErrorPage(page)
+                  ? pageRuntime
+                  : undefined,
               pageDuration: undefined,
               ssgPageDurations: undefined,
             })

packages/next/build/utils.ts

@@ -1,3 +1,5 @@
+import type { NextConfigComplete, PageRuntime } from '../server/config-shared'
+
 import '../server/node-polyfill-fetch'
 import chalk from 'next/dist/compiled/chalk'
 import getGzipSize from 'next/dist/compiled/gzip-size'
@@ -37,7 +39,6 @@ import * as Log from './output/log'
 import { loadComponents } from '../server/load-components'
 import { trace } from '../trace'
 import { setHttpAgentOptions } from '../server/config'
-import { NextConfigComplete } from '../server/config-shared'
 import isError from '../lib/is-error'
 import { recursiveDelete } from '../lib/recursive-delete'
 import { Sema } from 'next/dist/compiled/async-sema'
@@ -77,11 +78,11 @@ export interface PageInfo {
   totalSize: number
   static: boolean
   isSsg: boolean
-  isWebSsr: boolean
   ssgPageRoutes: string[] | null
   initialRevalidateSeconds: number | false
   pageDuration: number | undefined
   ssgPageDurations: number[] | undefined
+  runtime: PageRuntime
 }
 
 export async function printTreeView(
@@ -195,12 +196,12 @@ export async function printTreeView(
         ? ' '
         : item.endsWith('/_middleware')
         ? 'ƒ'
-        : pageInfo?.isWebSsr
-        ? 'ℇ'
         : pageInfo?.static
         ? '○'
         : pageInfo?.isSsg
         ? '●'
+        : pageInfo?.runtime === 'edge'
+        ? 'ℇ'
         : 'λ'
 
     usedSymbols.add(symbol)

packages/next/server/config-shared.ts

@@ -7,6 +7,8 @@ import {
   imageConfigDefault,
 } from '../shared/lib/image-config'
 
+export type PageRuntime = 'nodejs' | 'edge' | undefined
+
 export type NextConfigComplete = Required<NextConfig> & {
   images: Required<ImageConfigComplete>
   typescript: Required<TypeScriptConfig>
@@ -101,7 +103,7 @@ export interface ExperimentalConfig {
   craCompat?: boolean
   esmExternals?: boolean | 'loose'
   isrMemoryCacheSize?: number
-  runtime?: 'nodejs' | 'edge'
+  runtime?: Exclude<PageRuntime, undefined>
   serverComponents?: boolean
   fullySpecified?: boolean
   urlImports?: NonNullable<webpack5.Configuration['experiments']>['buildHttp']

test/integration/react-streaming-and-server-components/test/switchable-runtime.test.js

@@ -1,34 +1,16 @@
 /* eslint-env jest */
 
 import { join } from 'path'
-import {
-  // File,
-  nextBuild as _nextBuild,
-  nextStart as _nextStart,
-} from 'next-test-utils'
-
 import { findPort, killApp, renderViaHTTP } from 'next-test-utils'
-
-const nodeArgs = ['-r', join(__dirname, '../../react-18/test/require-hook.js')]
+import { nextBuild, nextStart } from './utils'
 
 const appDir = join(__dirname, '../switchable-runtime')
-// const nextConfig = new File(join(appDir, 'next.config.js'))
-
-async function nextBuild(dir, options) {
-  return await _nextBuild(dir, [], {
-    ...options,
-    stdout: true,
-    stderr: true,
-    nodeArgs,
-  })
-}
 
-async function nextStart(dir, port) {
-  return await _nextStart(dir, port, {
-    stdout: true,
-    stderr: true,
-    nodeArgs,
-  })
+function splitLines(text) {
+  return text
+    .split(/\r?\n/g)
+    .map((str) => str.trim())
+    .filter(Boolean)
 }
 
 async function testRoute(appPort, url, { isStatic, isEdge }) {
@@ -54,7 +36,8 @@ describe('Without global runtime configuration', () => {
 
   beforeAll(async () => {
     context.appPort = await findPort()
-    const { stderr } = await nextBuild(context.appDir)
+    const { stdout, stderr } = await nextBuild(context.appDir)
+    context.stdout = stdout
     context.stderr = stderr
     context.server = await nextStart(context.appDir, context.appPort)
   })
@@ -124,4 +107,26 @@ describe('Without global runtime configuration', () => {
       isEdge: true,
     })
   })
+
+  it('should display correct tree view with page types in terminal', async () => {
+    const stdoutLines = splitLines(context.stdout).filter((line) =>
+      /^[┌├└/]/.test(line)
+    )
+    const expectedOutputLines = splitLines(`
+  ┌ λ /404
+  ├ ℇ /edge
+  ├ ℇ /edge-rsc
+  ├ ○ /node
+  ├ ○ /node-rsc
+  ├ ● /node-rsc-ssg
+  ├ λ /node-rsc-ssr
+  ├ ● /node-ssg
+  ├ λ /node-ssr
+  └ ○ /static
+  `)
+    const isMatched = expectedOutputLines.every((line, index) =>
+      stdoutLines[index].startsWith(line)
+    )
+    expect(isMatched).toBe(true)
+  })
 })