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index.ts
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index.ts
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import type { NodeFileTraceResult } from '@vercel/nft'
import type { RemotePattern } from '../shared/lib/image-config'
import type { AppBuildManifest } from './webpack/plugins/app-build-manifest-plugin'
import type { PagesManifest } from './webpack/plugins/pages-manifest-plugin'
import type { ExportPathMap, NextConfigComplete } from '../server/config-shared'
import type { MiddlewareManifest } from './webpack/plugins/middleware-plugin'
import type { ActionManifest } from './webpack/plugins/flight-client-entry-plugin'
import type { ExportOptions } from '../export'
import '../lib/setup-exception-listeners'
import { loadEnvConfig } from '@next/env'
import chalk from 'next/dist/compiled/chalk'
import crypto from 'crypto'
import { isMatch, makeRe } from 'next/dist/compiled/micromatch'
import { promises as fs, existsSync as fsExistsSync } from 'fs'
import os from 'os'
import { Worker } from '../lib/worker'
import { defaultConfig } from '../server/config-shared'
import devalue from 'next/dist/compiled/devalue'
import findUp from 'next/dist/compiled/find-up'
import { nanoid } from 'next/dist/compiled/nanoid/index.cjs'
import { pathToRegexp } from 'next/dist/compiled/path-to-regexp'
import path from 'path'
import {
STATIC_STATUS_PAGE_GET_INITIAL_PROPS_ERROR,
PUBLIC_DIR_MIDDLEWARE_CONFLICT,
MIDDLEWARE_FILENAME,
PAGES_DIR_ALIAS,
INSTRUMENTATION_HOOK_FILENAME,
} from '../lib/constants'
import { FileType, fileExists } from '../lib/file-exists'
import { findPagesDir } from '../lib/find-pages-dir'
import loadCustomRoutes, {
CustomRoutes,
normalizeRouteRegex,
Redirect,
Rewrite,
RouteType,
} from '../lib/load-custom-routes'
import { getRedirectStatus, modifyRouteRegex } from '../lib/redirect-status'
import { nonNullable } from '../lib/non-nullable'
import { recursiveDelete } from '../lib/recursive-delete'
import { verifyPartytownSetup } from '../lib/verify-partytown-setup'
import {
BUILD_ID_FILE,
BUILD_MANIFEST,
CLIENT_STATIC_FILES_PATH,
EXPORT_DETAIL,
EXPORT_MARKER,
FONT_MANIFEST,
IMAGES_MANIFEST,
PAGES_MANIFEST,
PHASE_PRODUCTION_BUILD,
PRERENDER_MANIFEST,
REACT_LOADABLE_MANIFEST,
ROUTES_MANIFEST,
SERVER_DIRECTORY,
SERVER_FILES_MANIFEST,
STATIC_STATUS_PAGES,
MIDDLEWARE_MANIFEST,
APP_PATHS_MANIFEST,
APP_PATH_ROUTES_MANIFEST,
APP_BUILD_MANIFEST,
RSC_MODULE_TYPES,
NEXT_FONT_MANIFEST,
SUBRESOURCE_INTEGRITY_MANIFEST,
MIDDLEWARE_BUILD_MANIFEST,
MIDDLEWARE_REACT_LOADABLE_MANIFEST,
TURBO_TRACE_DEFAULT_MEMORY_LIMIT,
TRACE_OUTPUT_VERSION,
SERVER_REFERENCE_MANIFEST,
FUNCTIONS_CONFIG_MANIFEST,
} from '../shared/lib/constants'
import { getSortedRoutes, isDynamicRoute } from '../shared/lib/router/utils'
import { __ApiPreviewProps } from '../server/api-utils'
import loadConfig from '../server/config'
import { BuildManifest } from '../server/get-page-files'
import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path'
import { getPagePath } from '../server/require'
import * as ciEnvironment from '../telemetry/ci-info'
import {
eventBuildOptimize,
eventCliSession,
eventBuildFeatureUsage,
eventNextPlugins,
EVENT_BUILD_FEATURE_USAGE,
EventBuildFeatureUsage,
eventPackageUsedInGetServerSideProps,
eventBuildCompleted,
} from '../telemetry/events'
import { Telemetry } from '../telemetry/storage'
import {
isDynamicMetadataRoute,
getPageStaticInfo,
} from './analysis/get-page-static-info'
import { createPagesMapping, getPageFilePath, sortByPageExts } from './entries'
import { generateBuildId } from './generate-build-id'
import { isWriteable } from './is-writeable'
import * as Log from './output/log'
import createSpinner from './spinner'
import { trace, flushAllTraces, setGlobal } from '../trace'
import {
detectConflictingPaths,
computeFromManifest,
getJsPageSizeInKb,
PageInfo,
printCustomRoutes,
printTreeView,
copyTracedFiles,
isReservedPage,
AppConfig,
} from './utils'
import { writeBuildId } from './write-build-id'
import { normalizeLocalePath } from '../shared/lib/i18n/normalize-locale-path'
import isError, { NextError } from '../lib/is-error'
import { isEdgeRuntime } from '../lib/is-edge-runtime'
import { recursiveCopy } from '../lib/recursive-copy'
import { recursiveReadDir } from '../lib/recursive-readdir'
import {
lockfilePatchPromise,
teardownTraceSubscriber,
teardownCrashReporter,
loadBindings,
teardownHeapProfiler,
} from './swc'
import { getNamedRouteRegex } from '../shared/lib/router/utils/route-regex'
import { flatReaddir } from '../lib/flat-readdir'
import { eventSwcPlugins } from '../telemetry/events/swc-plugins'
import { normalizeAppPath } from '../shared/lib/router/utils/app-paths'
import {
RSC,
RSC_CONTENT_TYPE_HEADER,
RSC_VARY_HEADER,
} from '../client/components/app-router-headers'
import { webpackBuild } from './webpack-build'
import { NextBuildContext } from './build-context'
import { normalizePathSep } from '../shared/lib/page-path/normalize-path-sep'
import { isAppRouteRoute } from '../lib/is-app-route-route'
import { createClientRouterFilter } from '../lib/create-client-router-filter'
import { createValidFileMatcher } from '../server/lib/find-page-file'
import { startTypeChecking } from './type-check'
import { generateInterceptionRoutesRewrites } from '../lib/generate-interception-routes-rewrites'
import { buildDataRoute } from '../server/lib/router-utils/build-data-route'
import { baseOverrides, experimentalOverrides } from '../server/require-hook'
import { initialize } from '../server/lib/incremental-cache-server'
import { nodeFs } from '../server/lib/node-fs-methods'
export type SsgRoute = {
initialRevalidateSeconds: number | false
srcRoute: string | null
dataRoute: string | null
initialStatus?: number
initialHeaders?: Record<string, string>
}
export type DynamicSsgRoute = {
routeRegex: string
fallback: string | null | false
dataRoute: string | null
dataRouteRegex: string | null
}
export type PrerenderManifest = {
version: 4
routes: { [route: string]: SsgRoute }
dynamicRoutes: { [route: string]: DynamicSsgRoute }
notFoundRoutes: string[]
preview: __ApiPreviewProps
}
type CustomRoute = {
regex: string
statusCode?: number | undefined
permanent?: undefined
source: string
locale?: false | undefined
basePath?: false | undefined
destination?: string | undefined
}
export type RoutesManifest = {
version: number
pages404: boolean
basePath: string
redirects: Array<CustomRoute>
rewrites?:
| Array<CustomRoute>
| {
beforeFiles: Array<CustomRoute>
afterFiles: Array<CustomRoute>
fallback: Array<CustomRoute>
}
headers: Array<CustomRoute>
staticRoutes: Array<{
page: string
regex: string
namedRegex?: string
routeKeys?: { [key: string]: string }
}>
dynamicRoutes: Array<{
page: string
regex: string
namedRegex?: string
routeKeys?: { [key: string]: string }
}>
dataRoutes: Array<{
page: string
routeKeys?: { [key: string]: string }
dataRouteRegex: string
namedDataRouteRegex?: string
}>
i18n?: {
domains?: Array<{
http?: true
domain: string
locales?: string[]
defaultLocale: string
}>
locales: string[]
defaultLocale: string
localeDetection?: false
}
rsc: {
header: typeof RSC
varyHeader: typeof RSC_VARY_HEADER
}
skipMiddlewareUrlNormalize?: boolean
caseSensitive?: boolean
}
async function generateClientSsgManifest(
prerenderManifest: PrerenderManifest,
{
buildId,
distDir,
locales,
}: { buildId: string; distDir: string; locales: string[] }
) {
const ssgPages = new Set<string>(
[
...Object.entries(prerenderManifest.routes)
// Filter out dynamic routes
.filter(([, { srcRoute }]) => srcRoute == null)
.map(([route]) => normalizeLocalePath(route, locales).pathname),
...Object.keys(prerenderManifest.dynamicRoutes),
].sort()
)
const clientSsgManifestContent = `self.__SSG_MANIFEST=${devalue(
ssgPages
)};self.__SSG_MANIFEST_CB&&self.__SSG_MANIFEST_CB()`
await fs.writeFile(
path.join(distDir, CLIENT_STATIC_FILES_PATH, buildId, '_ssgManifest.js'),
clientSsgManifestContent
)
}
function pageToRoute(page: string) {
const routeRegex = getNamedRouteRegex(page, true)
return {
page,
regex: normalizeRouteRegex(routeRegex.re.source),
routeKeys: routeRegex.routeKeys,
namedRegex: routeRegex.namedRegex,
}
}
export default async function build(
dir: string,
reactProductionProfiling = false,
debugOutput = false,
runLint = true,
noMangling = false,
appDirOnly = false,
turboNextBuild = false,
turboNextBuildRoot = null,
buildMode: 'default' | 'experimental-compile' | 'experimental-generate'
): Promise<void> {
const isCompile = buildMode === 'experimental-compile'
const isGenerate = buildMode === 'experimental-generate'
let hasAppDir = false
try {
const nextBuildSpan = trace('next-build', undefined, {
version: process.env.__NEXT_VERSION as string,
})
NextBuildContext.nextBuildSpan = nextBuildSpan
NextBuildContext.dir = dir
NextBuildContext.appDirOnly = appDirOnly
NextBuildContext.reactProductionProfiling = reactProductionProfiling
NextBuildContext.noMangling = noMangling
const buildResult = await nextBuildSpan.traceAsyncFn(async () => {
// attempt to load global env values so they are available in next.config.js
const { loadedEnvFiles } = nextBuildSpan
.traceChild('load-dotenv')
.traceFn(() => loadEnvConfig(dir, false, Log))
NextBuildContext.loadedEnvFiles = loadedEnvFiles
const config: NextConfigComplete = await nextBuildSpan
.traceChild('load-next-config')
.traceAsyncFn(() => loadConfig(PHASE_PRODUCTION_BUILD, dir))
NextBuildContext.config = config
let configOutDir = 'out'
if (config.output === 'export' && config.distDir !== '.next') {
// In the past, a user had to run "next build" to generate
// ".next" (or whatever the distDir) followed by "next export"
// to generate "out" (or whatever the outDir). However, when
// "output: export" is configured, "next build" does both steps.
// So the user-configured distDir is actually the outDir.
configOutDir = config.distDir
config.distDir = '.next'
}
const distDir = path.join(dir, config.distDir)
setGlobal('phase', PHASE_PRODUCTION_BUILD)
setGlobal('distDir', distDir)
let buildId: string = ''
if (isGenerate) {
buildId = await fs.readFile(path.join(distDir, 'BUILD_ID'), 'utf8')
} else {
buildId = await nextBuildSpan
.traceChild('generate-buildid')
.traceAsyncFn(() => generateBuildId(config.generateBuildId, nanoid))
}
NextBuildContext.buildId = buildId
const customRoutes: CustomRoutes = await nextBuildSpan
.traceChild('load-custom-routes')
.traceAsyncFn(() => loadCustomRoutes(config))
const { headers, rewrites, redirects } = customRoutes
NextBuildContext.rewrites = rewrites
NextBuildContext.originalRewrites = config._originalRewrites
NextBuildContext.originalRedirects = config._originalRedirects
const cacheDir = path.join(distDir, 'cache')
if (ciEnvironment.isCI && !ciEnvironment.hasNextSupport) {
const hasCache = await fileExists(cacheDir)
if (!hasCache) {
// Intentionally not piping to stderr in case people fail in CI when
// stderr is detected.
console.log(
`${Log.prefixes.warn} No build cache found. Please configure build caching for faster rebuilds. Read more: https://nextjs.org/docs/messages/no-cache`
)
}
}
const telemetry = new Telemetry({ distDir })
setGlobal('telemetry', telemetry)
const publicDir = path.join(dir, 'public')
const isAppDirEnabled = !!config.experimental.appDir
const { pagesDir, appDir } = findPagesDir(dir, isAppDirEnabled)
NextBuildContext.pagesDir = pagesDir
NextBuildContext.appDir = appDir
hasAppDir = Boolean(appDir)
const isSrcDir = path
.relative(dir, pagesDir || appDir || '')
.startsWith('src')
const hasPublicDir = await fileExists(publicDir)
telemetry.record(
eventCliSession(dir, config, {
webpackVersion: 5,
cliCommand: 'build',
isSrcDir,
hasNowJson: !!(await findUp('now.json', { cwd: dir })),
isCustomServer: null,
turboFlag: false,
pagesDir: !!pagesDir,
appDir: !!appDir,
})
)
eventNextPlugins(path.resolve(dir)).then((events) =>
telemetry.record(events)
)
eventSwcPlugins(path.resolve(dir), config).then((events) =>
telemetry.record(events)
)
const ignoreESLint = Boolean(config.eslint.ignoreDuringBuilds)
const shouldLint = !ignoreESLint && runLint
const typeCheckingOptions: Parameters<typeof startTypeChecking>[0] = {
dir,
appDir,
pagesDir,
runLint,
shouldLint,
ignoreESLint,
telemetry,
nextBuildSpan,
config,
cacheDir,
}
// For app directory, we run type checking after build. That's because
// we dynamically generate types for each layout and page in the app
// directory.
if (!appDir && !isCompile) await startTypeChecking(typeCheckingOptions)
if (appDir && 'exportPathMap' in config) {
Log.error(
'The "exportPathMap" configuration cannot be used with the "app" directory. Please use generateStaticParams() instead.'
)
await telemetry.flush()
process.exit(1)
}
const buildLintEvent: EventBuildFeatureUsage = {
featureName: 'build-lint',
invocationCount: shouldLint ? 1 : 0,
}
telemetry.record({
eventName: EVENT_BUILD_FEATURE_USAGE,
payload: buildLintEvent,
})
let buildSpinner: ReturnType<typeof createSpinner> = {
stopAndPersist() {
return this
},
} as any
if (!isGenerate) {
buildSpinner = createSpinner({
prefixText: `${Log.prefixes.info} Creating an optimized production build`,
})
}
NextBuildContext.buildSpinner = buildSpinner
const validFileMatcher = createValidFileMatcher(
config.pageExtensions,
appDir
)
const pagesPaths =
!appDirOnly && pagesDir
? await nextBuildSpan
.traceChild('collect-pages')
.traceAsyncFn(() =>
recursiveReadDir(pagesDir, validFileMatcher.isPageFile)
)
: []
const middlewareDetectionRegExp = new RegExp(
`^${MIDDLEWARE_FILENAME}\\.(?:${config.pageExtensions.join('|')})$`
)
const instrumentationHookDetectionRegExp = new RegExp(
`^${INSTRUMENTATION_HOOK_FILENAME}\\.(?:${config.pageExtensions.join(
'|'
)})$`
)
const rootDir = path.join((pagesDir || appDir)!, '..')
const instrumentationHookEnabled = Boolean(
config.experimental.instrumentationHook
)
const rootPaths = (
await flatReaddir(rootDir, [
middlewareDetectionRegExp,
...(instrumentationHookEnabled
? [instrumentationHookDetectionRegExp]
: []),
])
)
.sort(sortByPageExts(config.pageExtensions))
.map((absoluteFile) => absoluteFile.replace(dir, ''))
const hasInstrumentationHook = rootPaths.some((p) =>
p.includes(INSTRUMENTATION_HOOK_FILENAME)
)
NextBuildContext.hasInstrumentationHook = hasInstrumentationHook
const previewProps: __ApiPreviewProps = {
previewModeId: crypto.randomBytes(16).toString('hex'),
previewModeSigningKey: crypto.randomBytes(32).toString('hex'),
previewModeEncryptionKey: crypto.randomBytes(32).toString('hex'),
}
NextBuildContext.previewProps = previewProps
const mappedPages = nextBuildSpan
.traceChild('create-pages-mapping')
.traceFn(() =>
createPagesMapping({
isDev: false,
pageExtensions: config.pageExtensions,
pagesType: 'pages',
pagePaths: pagesPaths,
pagesDir,
})
)
NextBuildContext.mappedPages = mappedPages
let mappedAppPages: { [page: string]: string } | undefined
let denormalizedAppPages: string[] | undefined
if (appDir) {
const appPaths = await nextBuildSpan
.traceChild('collect-app-paths')
.traceAsyncFn(() =>
recursiveReadDir(
appDir,
(absolutePath) =>
validFileMatcher.isAppRouterPage(absolutePath) ||
// For now we only collect the root /not-found page in the app
// directory as the 404 fallback
validFileMatcher.isRootNotFound(absolutePath),
undefined,
(part) => part.startsWith('_')
)
)
mappedAppPages = nextBuildSpan
.traceChild('create-app-mapping')
.traceFn(() =>
createPagesMapping({
pagePaths: appPaths,
isDev: false,
pagesType: 'app',
pageExtensions: config.pageExtensions,
pagesDir: pagesDir,
})
)
// If the metadata route doesn't contain generating dynamic exports,
// we can replace the dynamic catch-all route and use the static route instead.
for (const [pageKey, pagePath] of Object.entries(mappedAppPages)) {
if (pageKey.includes('[[...__metadata_id__]]')) {
const pageFilePath = getPageFilePath({
absolutePagePath: pagePath,
pagesDir,
appDir,
rootDir,
})
const isDynamic = await isDynamicMetadataRoute(pageFilePath)
if (!isDynamic) {
delete mappedAppPages[pageKey]
mappedAppPages[pageKey.replace('[[...__metadata_id__]]/', '')] =
pagePath
}
if (
pageKey.includes('sitemap.xml/[[...__metadata_id__]]') &&
isDynamic
) {
delete mappedAppPages[pageKey]
mappedAppPages[
pageKey.replace(
'sitemap.xml/[[...__metadata_id__]]',
'sitemap/[__metadata_id__]'
)
] = pagePath
}
}
}
NextBuildContext.mappedAppPages = mappedAppPages
}
let mappedRootPaths: { [page: string]: string } = {}
if (rootPaths.length > 0) {
mappedRootPaths = createPagesMapping({
isDev: false,
pageExtensions: config.pageExtensions,
pagePaths: rootPaths,
pagesType: 'root',
pagesDir: pagesDir,
})
}
NextBuildContext.mappedRootPaths = mappedRootPaths
const pagesPageKeys = Object.keys(mappedPages)
const conflictingAppPagePaths: [pagePath: string, appPath: string][] = []
const appPageKeys: string[] = []
if (mappedAppPages) {
denormalizedAppPages = Object.keys(mappedAppPages)
for (const appKey of denormalizedAppPages) {
const normalizedAppPageKey = normalizeAppPath(appKey)
const pagePath = mappedPages[normalizedAppPageKey]
if (pagePath) {
const appPath = mappedAppPages[appKey]
conflictingAppPagePaths.push([
pagePath.replace(/^private-next-pages/, 'pages'),
appPath.replace(/^private-next-app-dir/, 'app'),
])
}
appPageKeys.push(normalizedAppPageKey)
}
}
// Interception routes are modelled as beforeFiles rewrites
rewrites.beforeFiles.push(
...generateInterceptionRoutesRewrites(appPageKeys)
)
const totalAppPagesCount = appPageKeys.length
const pageKeys = {
pages: pagesPageKeys,
app: appPageKeys.length > 0 ? appPageKeys : undefined,
}
if (turboNextBuild) {
// TODO(WEB-397) This is a temporary workaround to allow for filtering a
// subset of pages when building with --experimental-turbo, until we
// have complete support for all pages.
if (process.env.NEXT_TURBO_FILTER_PAGES) {
const filterPages = process.env.NEXT_TURBO_FILTER_PAGES.split(',')
pageKeys.pages = pageKeys.pages.filter((page) => {
return filterPages.some((filterPage) => {
return isMatch(page, filterPage)
})
})
pageKeys.app = pageKeys.app?.filter((page) => {
return filterPages.some((filterPage) => {
return isMatch(page, filterPage)
})
})
}
}
const numConflictingAppPaths = conflictingAppPagePaths.length
if (mappedAppPages && numConflictingAppPaths > 0) {
Log.error(
`Conflicting app and page file${
numConflictingAppPaths === 1 ? ' was' : 's were'
} found, please remove the conflicting files to continue:`
)
for (const [pagePath, appPath] of conflictingAppPagePaths) {
Log.error(` "${pagePath}" - "${appPath}"`)
}
await telemetry.flush()
process.exit(1)
}
const conflictingPublicFiles: string[] = []
const hasPages404 = mappedPages['/404']?.startsWith(PAGES_DIR_ALIAS)
const hasApp404 = !!mappedAppPages?.['/_not-found']
const hasCustomErrorPage =
mappedPages['/_error'].startsWith(PAGES_DIR_ALIAS)
if (hasPublicDir) {
const hasPublicUnderScoreNextDir = await fileExists(
path.join(publicDir, '_next')
)
if (hasPublicUnderScoreNextDir) {
throw new Error(PUBLIC_DIR_MIDDLEWARE_CONFLICT)
}
}
await nextBuildSpan
.traceChild('public-dir-conflict-check')
.traceAsyncFn(async () => {
// Check if pages conflict with files in `public`
// Only a page of public file can be served, not both.
for (const page in mappedPages) {
const hasPublicPageFile = await fileExists(
path.join(publicDir, page === '/' ? '/index' : page),
FileType.File
)
if (hasPublicPageFile) {
conflictingPublicFiles.push(page)
}
}
const numConflicting = conflictingPublicFiles.length
if (numConflicting) {
throw new Error(
`Conflicting public and page file${
numConflicting === 1 ? ' was' : 's were'
} found. https://nextjs.org/docs/messages/conflicting-public-file-page\n${conflictingPublicFiles.join(
'\n'
)}`
)
}
})
const nestedReservedPages = pageKeys.pages.filter((page) => {
return (
page.match(/\/(_app|_document|_error)$/) && path.dirname(page) !== '/'
)
})
if (nestedReservedPages.length) {
Log.warn(
`The following reserved Next.js pages were detected not directly under the pages directory:\n` +
nestedReservedPages.join('\n') +
`\nSee more info here: https://nextjs.org/docs/messages/nested-reserved-page\n`
)
}
const restrictedRedirectPaths = ['/_next'].map((p) =>
config.basePath ? `${config.basePath}${p}` : p
)
const buildCustomRoute = (
r: {
source: string
locale?: false
basePath?: false
statusCode?: number
destination?: string
},
type: RouteType
) => {
const keys: any[] = []
const routeRegex = pathToRegexp(r.source, keys, {
strict: true,
sensitive: false,
delimiter: '/', // default is `/#?`, but Next does not pass query info
})
let regexSource = routeRegex.source
if (!(r as any).internal) {
regexSource = modifyRouteRegex(
routeRegex.source,
type === 'redirect' ? restrictedRedirectPaths : undefined
)
}
return {
...r,
...(type === 'redirect'
? {
statusCode: getRedirectStatus(r as Redirect),
permanent: undefined,
}
: {}),
regex: normalizeRouteRegex(regexSource),
}
}
const routesManifestPath = path.join(distDir, ROUTES_MANIFEST)
const routesManifest: RoutesManifest = nextBuildSpan
.traceChild('generate-routes-manifest')
.traceFn(() => {
const sortedRoutes = getSortedRoutes([
...pageKeys.pages,
...(pageKeys.app ?? []),
])
const dynamicRoutes: Array<ReturnType<typeof pageToRoute>> = []
const staticRoutes: typeof dynamicRoutes = []
for (const route of sortedRoutes) {
if (isDynamicRoute(route)) {
dynamicRoutes.push(pageToRoute(route))
} else if (!isReservedPage(route)) {
staticRoutes.push(pageToRoute(route))
}
}
return {
version: 3,
pages404: true,
caseSensitive: !!config.experimental.caseSensitiveRoutes,
basePath: config.basePath,
redirects: redirects.map((r: any) =>
buildCustomRoute(r, 'redirect')
),
headers: headers.map((r: any) => buildCustomRoute(r, 'header')),
dynamicRoutes,
staticRoutes,
dataRoutes: [],
i18n: config.i18n || undefined,
rsc: {
header: RSC,
varyHeader: RSC_VARY_HEADER,
contentTypeHeader: RSC_CONTENT_TYPE_HEADER,
},
skipMiddlewareUrlNormalize: config.skipMiddlewareUrlNormalize,
}
})
if (rewrites.beforeFiles.length === 0 && rewrites.fallback.length === 0) {
routesManifest.rewrites = rewrites.afterFiles.map((r: any) =>
buildCustomRoute(r, 'rewrite')
)
} else {
routesManifest.rewrites = {
beforeFiles: rewrites.beforeFiles.map((r: any) =>
buildCustomRoute(r, 'rewrite')
),
afterFiles: rewrites.afterFiles.map((r: any) =>
buildCustomRoute(r, 'rewrite')
),
fallback: rewrites.fallback.map((r: any) =>
buildCustomRoute(r, 'rewrite')
),
}
}
const combinedRewrites: Rewrite[] = [
...rewrites.beforeFiles,
...rewrites.afterFiles,
...rewrites.fallback,
]
if (config.experimental.clientRouterFilter) {
const nonInternalRedirects = (config._originalRedirects || []).filter(
(r: any) => !r.internal
)
const clientRouterFilters = createClientRouterFilter(
appPageKeys,
config.experimental.clientRouterFilterRedirects
? nonInternalRedirects
: [],
config.experimental.clientRouterFilterAllowedRate
)
NextBuildContext.clientRouterFilters = clientRouterFilters
}
const distDirCreated = await nextBuildSpan
.traceChild('create-dist-dir')
.traceAsyncFn(async () => {
try {
await fs.mkdir(distDir, { recursive: true })
return true
} catch (err) {
if (isError(err) && err.code === 'EPERM') {
return false
}
throw err
}
})
if (!distDirCreated || !(await isWriteable(distDir))) {
throw new Error(
'> Build directory is not writeable. https://nextjs.org/docs/messages/build-dir-not-writeable'
)
}
if (config.cleanDistDir && !isGenerate) {
await recursiveDelete(distDir, /^cache/)
}
// Ensure commonjs handling is used for files in the distDir (generally .next)
// Files outside of the distDir can be "type": "module"
await fs.writeFile(
path.join(distDir, 'package.json'),
'{"type": "commonjs"}'
)
// We need to write the manifest with rewrites before build
await nextBuildSpan
.traceChild('write-routes-manifest')
.traceAsyncFn(() =>
fs.writeFile(
routesManifestPath,
JSON.stringify(routesManifest),
'utf8'
)
)
// We need to write a partial prerender manifest to make preview mode settings available in edge middleware
const partialManifest: Partial<PrerenderManifest> = {
preview: previewProps,
}
await fs.writeFile(
path.join(distDir, PRERENDER_MANIFEST).replace(/\.json$/, '.js'),
`self.__PRERENDER_MANIFEST=${JSON.stringify(
JSON.stringify(partialManifest)
)}`,
'utf8'
)
const outputFileTracingRoot =
config.experimental.outputFileTracingRoot || dir
const manifestPath = path.join(distDir, SERVER_DIRECTORY, PAGES_MANIFEST)
const { incrementalCacheHandlerPath } = config.experimental
const requiredServerFiles = nextBuildSpan
.traceChild('generate-required-server-files')
.traceFn(() => ({
version: 1,
config: {
...config,
configFile: undefined,
...(ciEnvironment.hasNextSupport
? {
compress: false,
}
: {}),
experimental: {
...config.experimental,
trustHostHeader: ciEnvironment.hasNextSupport,
incrementalCacheHandlerPath: incrementalCacheHandlerPath
? path.relative(distDir, incrementalCacheHandlerPath)
: undefined,
},
},
appDir: dir,
relativeAppDir: path.relative(outputFileTracingRoot, dir),
files: [
ROUTES_MANIFEST,
path.relative(distDir, manifestPath),
BUILD_MANIFEST,
PRERENDER_MANIFEST,
PRERENDER_MANIFEST.replace(/\.json$/, '.js'),
path.join(SERVER_DIRECTORY, MIDDLEWARE_MANIFEST),
path.join(SERVER_DIRECTORY, MIDDLEWARE_BUILD_MANIFEST + '.js'),
path.join(
SERVER_DIRECTORY,
MIDDLEWARE_REACT_LOADABLE_MANIFEST + '.js'
),
...(appDir
? [
...(config.experimental.sri
? [
path.join(
SERVER_DIRECTORY,
SUBRESOURCE_INTEGRITY_MANIFEST + '.js'
),
path.join(
SERVER_DIRECTORY,
SUBRESOURCE_INTEGRITY_MANIFEST + '.json'
),
]
: []),
path.join(SERVER_DIRECTORY, APP_PATHS_MANIFEST),
path.join(APP_PATH_ROUTES_MANIFEST),
APP_BUILD_MANIFEST,
path.join(
SERVER_DIRECTORY,
SERVER_REFERENCE_MANIFEST + '.js'
),
path.join(
SERVER_DIRECTORY,
SERVER_REFERENCE_MANIFEST + '.json'
),
]
: []),
REACT_LOADABLE_MANIFEST,
config.optimizeFonts
? path.join(SERVER_DIRECTORY, FONT_MANIFEST)
: null,
BUILD_ID_FILE,
path.join(SERVER_DIRECTORY, NEXT_FONT_MANIFEST + '.js'),
path.join(SERVER_DIRECTORY, NEXT_FONT_MANIFEST + '.json'),
...(hasInstrumentationHook
? [
path.join(
SERVER_DIRECTORY,
`${INSTRUMENTATION_HOOK_FILENAME}.js`
),
path.join(
SERVER_DIRECTORY,
`edge-${INSTRUMENTATION_HOOK_FILENAME}.js`
),
]
: []),
]
.filter(nonNullable)
.map((file) => path.join(config.distDir, file)),
ignore: [] as string[],
}))
let binding = await loadBindings()
async function turbopackBuild() {
const turboNextBuildStart = process.hrtime()
const turboJson = findUp.sync('turbo.json', { cwd: dir })
// eslint-disable-next-line no-shadow
const packagePath = findUp.sync('package.json', { cwd: dir })
let root =
turboNextBuildRoot ??
(turboJson
? path.dirname(turboJson)
: packagePath
? path.dirname(packagePath)
: undefined)
await binding.turbo.nextBuild({
...NextBuildContext,
root,
})
const [duration] = process.hrtime(turboNextBuildStart)
return { duration, turbotraceContext: null }
}