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index.ts
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import type { webpack5 as webpack } from 'next/dist/compiled/webpack/webpack'
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, writeFileSync } from 'fs'
import { Worker as JestWorker } from 'next/dist/compiled/jest-worker'
import { Worker } from '../lib/worker'
import devalue from 'next/dist/compiled/devalue'
import { escapeStringRegexp } from '../shared/lib/escape-regexp'
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, { join } from 'path'
import formatWebpackMessages from '../client/dev/error-overlay/format-webpack-messages'
import {
STATIC_STATUS_PAGE_GET_INITIAL_PROPS_ERROR,
PUBLIC_DIR_MIDDLEWARE_CONFLICT,
MIDDLEWARE_FILENAME,
MIDDLEWARE_FILE,
PAGES_DIR_ALIAS,
} from '../lib/constants'
import { fileExists } from '../lib/file-exists'
import { findPagesDir } from '../lib/find-pages-dir'
import loadCustomRoutes, {
CustomRoutes,
getRedirectStatus,
modifyRouteRegex,
normalizeRouteRegex,
Redirect,
Rewrite,
RouteType,
} from '../lib/load-custom-routes'
import { nonNullable } from '../lib/non-nullable'
import { recursiveDelete } from '../lib/recursive-delete'
import { verifyAndLint } from '../lib/verifyAndLint'
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,
MIDDLEWARE_FLIGHT_MANIFEST,
REACT_LOADABLE_MANIFEST,
ROUTES_MANIFEST,
SERVERLESS_DIRECTORY,
SERVER_DIRECTORY,
SERVER_FILES_MANIFEST,
STATIC_STATUS_PAGES,
MIDDLEWARE_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 { isTargetLikeServerless } from '../server/utils'
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 {
eventBuildCompleted,
eventBuildOptimize,
eventCliSession,
eventBuildFeatureUsage,
eventNextPlugins,
eventTypeCheckCompleted,
EVENT_BUILD_FEATURE_USAGE,
EventBuildFeatureUsage,
eventPackageUsedInGetServerSideProps,
} from '../telemetry/events'
import { Telemetry } from '../telemetry/storage'
import { runCompiler } from './compiler'
import { getPageStaticInfo } from './analysis/get-page-static-info'
import { createEntrypoints, createPagesMapping } 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,
getNodeBuiltinModuleNotSupportedInEdgeRuntimeMessage,
getUnresolvedModuleFromError,
copyTracedFiles,
isReservedPage,
isCustomErrorPage,
isServerComponentPage,
} from './utils'
import getBaseWebpackConfig from './webpack-config'
import { PagesManifest } from './webpack/plugins/pages-manifest-plugin'
import { writeBuildId } from './write-build-id'
import { normalizeLocalePath } from '../shared/lib/i18n/normalize-locale-path'
import { NextConfigComplete } from '../server/config-shared'
import isError, { NextError } from '../lib/is-error'
import { TelemetryPlugin } from './webpack/plugins/telemetry-plugin'
import { MiddlewareManifest } from './webpack/plugins/middleware-plugin'
import { recursiveCopy } from '../lib/recursive-copy'
import { recursiveReadDir } from '../lib/recursive-readdir'
import { lockfilePatchPromise, teardownTraceSubscriber } from './swc'
import { injectedClientEntries } from './webpack/plugins/client-entry-plugin'
import { getNamedRouteRegex } from '../shared/lib/router/utils/route-regex'
import { flatReaddir } from '../lib/flat-readdir'
import { RemotePattern } from '../shared/lib/image-config'
export type SsgRoute = {
initialRevalidateSeconds: number | false
srcRoute: string | null
dataRoute: string
}
export type DynamicSsgRoute = {
routeRegex: string
fallback: string | null | false
dataRoute: string
dataRouteRegex: string
}
export type PrerenderManifest = {
version: 3
routes: { [route: string]: SsgRoute }
dynamicRoutes: { [route: string]: DynamicSsgRoute }
notFoundRoutes: string[]
preview: __ApiPreviewProps
}
type CompilerResult = {
errors: webpack.StatsError[]
warnings: webpack.StatsError[]
stats: (webpack.Stats | undefined)[]
}
type SingleCompilerResult = {
errors: webpack.StatsError[]
warnings: webpack.StatsError[]
stats: webpack.Stats | undefined
}
export default async function build(
dir: string,
conf = null,
reactProductionProfiling = false,
debugOutput = false,
runLint = true
): Promise<void> {
try {
const nextBuildSpan = trace('next-build', undefined, {
version: process.env.__NEXT_VERSION as string,
})
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))
const config: NextConfigComplete = await nextBuildSpan
.traceChild('load-next-config')
.traceAsyncFn(() => loadConfig(PHASE_PRODUCTION_BUILD, dir, conf))
const distDir = path.join(dir, config.distDir)
setGlobal('phase', PHASE_PRODUCTION_BUILD)
setGlobal('distDir', distDir)
// We enable concurrent features (Fizz-related rendering architecture) when
// using React 18 or experimental.
const hasReactRoot = !!process.env.__NEXT_REACT_ROOT
const hasServerComponents =
hasReactRoot && !!config.experimental.serverComponents
const { target } = config
const buildId: string = await nextBuildSpan
.traceChild('generate-buildid')
.traceAsyncFn(() => generateBuildId(config.generateBuildId, nanoid))
const customRoutes: CustomRoutes = await nextBuildSpan
.traceChild('load-custom-routes')
.traceAsyncFn(() => loadCustomRoutes(config))
const { headers, rewrites, redirects } = customRoutes
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(
`${Log.prefixes.warn} No build cache found. Please configure build caching for faster rebuilds. Read more: https://nextjs.org/docs/messages/no-cache`
)
}
}
const telemetry = new Telemetry({ distDir })
setGlobal('telemetry', telemetry)
const publicDir = path.join(dir, 'public')
const { pages: pagesDir, appDir } = findPagesDir(
dir,
config.experimental.appDir
)
const hasPublicDir = await fileExists(publicDir)
telemetry.record(
eventCliSession(dir, config, {
webpackVersion: 5,
cliCommand: 'build',
isSrcDir: path.relative(dir, pagesDir!).startsWith('src'),
hasNowJson: !!(await findUp('now.json', { cwd: dir })),
isCustomServer: null,
})
)
eventNextPlugins(path.resolve(dir)).then((events) =>
telemetry.record(events)
)
const ignoreTypeScriptErrors = Boolean(
config.typescript.ignoreBuildErrors
)
const ignoreESLint = Boolean(config.eslint.ignoreDuringBuilds)
const eslintCacheDir = path.join(cacheDir, 'eslint/')
const shouldLint = !ignoreESLint && runLint
if (ignoreTypeScriptErrors) {
Log.info('Skipping validation of types')
}
if (runLint && ignoreESLint) {
// only print log when build requre lint while ignoreESLint is enabled
Log.info('Skipping linting')
}
let typeCheckingAndLintingSpinnerPrefixText: string | undefined
let typeCheckingAndLintingSpinner:
| ReturnType<typeof createSpinner>
| undefined
if (!ignoreTypeScriptErrors && shouldLint) {
typeCheckingAndLintingSpinnerPrefixText =
'Linting and checking validity of types'
} else if (!ignoreTypeScriptErrors) {
typeCheckingAndLintingSpinnerPrefixText = 'Checking validity of types'
} else if (shouldLint) {
typeCheckingAndLintingSpinnerPrefixText = 'Linting'
}
// we will not create a spinner if both ignoreTypeScriptErrors and ignoreESLint are
// enabled, but we will still verifying project's tsconfig and dependencies.
if (typeCheckingAndLintingSpinnerPrefixText) {
typeCheckingAndLintingSpinner = createSpinner({
prefixText: `${Log.prefixes.info} ${typeCheckingAndLintingSpinnerPrefixText}`,
})
}
const typeCheckStart = process.hrtime()
const [[verifyResult, typeCheckEnd]] = await Promise.all([
nextBuildSpan.traceChild('verify-typescript-setup').traceAsyncFn(() =>
verifyTypeScriptSetup(
dir,
[pagesDir, appDir].filter(Boolean) as string[],
!ignoreTypeScriptErrors,
config.typescript.tsconfigPath,
config.images.disableStaticImages,
cacheDir,
config.experimental.cpus,
config.experimental.workerThreads
).then((resolved) => {
const checkEnd = process.hrtime(typeCheckStart)
return [resolved, checkEnd] as const
})
),
shouldLint &&
nextBuildSpan.traceChild('verify-and-lint').traceAsyncFn(async () => {
await verifyAndLint(
dir,
eslintCacheDir,
config.eslint?.dirs,
config.experimental.cpus,
config.experimental.workerThreads,
telemetry
)
}),
])
typeCheckingAndLintingSpinner?.stopAndPersist()
if (!ignoreTypeScriptErrors && verifyResult) {
telemetry.record(
eventTypeCheckCompleted({
durationInSeconds: typeCheckEnd[0],
typescriptVersion: verifyResult.version,
inputFilesCount: verifyResult.result?.inputFilesCount,
totalFilesCount: verifyResult.result?.totalFilesCount,
incremental: verifyResult.result?.incremental,
})
)
}
const buildLintEvent: EventBuildFeatureUsage = {
featureName: 'build-lint',
invocationCount: shouldLint ? 1 : 0,
}
telemetry.record({
eventName: EVENT_BUILD_FEATURE_USAGE,
payload: buildLintEvent,
})
const buildSpinner = createSpinner({
prefixText: `${Log.prefixes.info} Creating an optimized production build`,
})
const isLikeServerless = isTargetLikeServerless(target)
const pagePaths = await nextBuildSpan
.traceChild('collect-pages')
.traceAsyncFn(() =>
recursiveReadDir(
pagesDir,
new RegExp(`\\.(?:${config.pageExtensions.join('|')})$`)
)
)
let appPaths: string[] | undefined
if (appDir) {
appPaths = await nextBuildSpan
.traceChild('collect-app-paths')
.traceAsyncFn(() =>
recursiveReadDir(
appDir,
new RegExp(`page\\.(?:${config.pageExtensions.join('|')})$`)
)
)
}
const rootPaths = await flatReaddir(
dir,
new RegExp(
`^${MIDDLEWARE_FILENAME}\\.(?:${config.pageExtensions.join('|')})$`
)
)
// needed for static exporting since we want to replace with HTML
// files
const allStaticPages = new Set<string>()
let allPageInfos = new Map<string, PageInfo>()
const previewProps: __ApiPreviewProps = {
previewModeId: crypto.randomBytes(16).toString('hex'),
previewModeSigningKey: crypto.randomBytes(32).toString('hex'),
previewModeEncryptionKey: crypto.randomBytes(32).toString('hex'),
}
const mappedPages = nextBuildSpan
.traceChild('create-pages-mapping')
.traceFn(() =>
createPagesMapping({
hasServerComponents,
isDev: false,
pageExtensions: config.pageExtensions,
pagesType: 'pages',
pagePaths: pagePaths,
})
)
let mappedappPaths: { [page: string]: string } | undefined
if (appPaths && appDir) {
mappedappPaths = nextBuildSpan
.traceChild('create-app-mapping')
.traceFn(() =>
createPagesMapping({
pagePaths: appPaths!,
hasServerComponents,
isDev: false,
pagesType: 'app',
pageExtensions: config.pageExtensions,
})
)
}
let mappedRootPaths: { [page: string]: string } = {}
if (rootPaths.length > 0) {
mappedRootPaths = createPagesMapping({
hasServerComponents,
isDev: false,
pageExtensions: config.pageExtensions,
pagePaths: rootPaths,
pagesType: 'root',
})
}
const entrypoints = await nextBuildSpan
.traceChild('create-entrypoints')
.traceAsyncFn(() =>
createEntrypoints({
buildId,
config,
envFiles: loadedEnvFiles,
isDev: false,
pages: mappedPages,
pagesDir,
previewMode: previewProps,
target,
rootDir: dir,
rootPaths: mappedRootPaths,
appDir,
appPaths: mappedappPaths,
pageExtensions: config.pageExtensions,
})
)
const pageKeys = Object.keys(mappedPages)
const conflictingPublicFiles: string[] = []
const hasPages404 = mappedPages['/404']?.startsWith(PAGES_DIR_ALIAS)
const hasCustomErrorPage =
mappedPages['/_error'].startsWith(PAGES_DIR_ALIAS)
if (mappedRootPaths?.[MIDDLEWARE_FILE]) {
Log.warn(
`using beta Middleware (not covered by semver) - https://nextjs.org/docs/messages/beta-middleware`
)
}
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),
'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${conflictingPublicFiles.join(
'\n'
)}`
)
}
})
const nestedReservedPages = pageKeys.filter((page) => {
return (
page.match(/\/(_app|_document|_error)$/) && 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: {
version: number
pages404: boolean
basePath: string
redirects: Array<ReturnType<typeof buildCustomRoute>>
rewrites?:
| Array<ReturnType<typeof buildCustomRoute>>
| {
beforeFiles: Array<ReturnType<typeof buildCustomRoute>>
afterFiles: Array<ReturnType<typeof buildCustomRoute>>
fallback: Array<ReturnType<typeof buildCustomRoute>>
}
headers: Array<ReturnType<typeof buildCustomRoute>>
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
}
} = nextBuildSpan.traceChild('generate-routes-manifest').traceFn(() => ({
version: 3,
pages404: true,
basePath: config.basePath,
redirects: redirects.map((r: any) => buildCustomRoute(r, 'redirect')),
headers: headers.map((r: any) => buildCustomRoute(r, 'header')),
dynamicRoutes: getSortedRoutes(pageKeys)
.filter(isDynamicRoute)
.map(pageToRoute),
staticRoutes: getSortedRoutes(pageKeys)
.filter((page) => !isDynamicRoute(page) && !isReservedPage(page))
.map(pageToRoute),
dataRoutes: [],
i18n: config.i18n || undefined,
}))
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,
]
const distDirCreated = await nextBuildSpan
.traceChild('create-dist-dir')
.traceAsyncFn(async () => {
try {
await promises.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) {
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 promises.writeFile(
path.join(distDir, 'package.json'),
'{"type": "commonjs"}'
)
// We need to write the manifest with rewrites before build
// so serverless can import the manifest
await nextBuildSpan
.traceChild('write-routes-manifest')
.traceAsyncFn(() =>
promises.writeFile(
routesManifestPath,
JSON.stringify(routesManifest),
'utf8'
)
)
const serverDir = isLikeServerless
? SERVERLESS_DIRECTORY
: SERVER_DIRECTORY
const manifestPath = path.join(distDir, serverDir, PAGES_MANIFEST)
const requiredServerFiles = nextBuildSpan
.traceChild('generate-required-server-files')
.traceFn(() => ({
version: 1,
config: {
...config,
configFile: undefined,
experimental: {
...config.experimental,
trustHostHeader: ciEnvironment.hasNextSupport,
},
},
appDir: dir,
files: [
ROUTES_MANIFEST,
path.relative(distDir, manifestPath),
BUILD_MANIFEST,
PRERENDER_MANIFEST,
path.join(SERVER_DIRECTORY, MIDDLEWARE_MANIFEST),
...(hasServerComponents
? [
path.join(
SERVER_DIRECTORY,
MIDDLEWARE_FLIGHT_MANIFEST + '.js'
),
path.join(
SERVER_DIRECTORY,
MIDDLEWARE_FLIGHT_MANIFEST + '.json'
),
]
: []),
REACT_LOADABLE_MANIFEST,
config.optimizeFonts ? path.join(serverDir, FONT_MANIFEST) : null,
BUILD_ID_FILE,
]
.filter(nonNullable)
.map((file) => path.join(config.distDir, file)),
ignore: [] as string[],
}))
let result: CompilerResult = {
warnings: [],
errors: [],
stats: [],
}
let webpackBuildStart
let telemetryPlugin
await (async () => {
// IIFE to isolate locals and avoid retaining memory too long
const runWebpackSpan = nextBuildSpan.traceChild('run-webpack-compiler')
const commonWebpackOptions = {
buildId,
config,
hasReactRoot,
pagesDir,
reactProductionProfiling,
rewrites,
runWebpackSpan,
target,
appDir,
}
const configs = await runWebpackSpan
.traceChild('generate-webpack-config')
.traceAsyncFn(() =>
Promise.all([
getBaseWebpackConfig(dir, {
...commonWebpackOptions,
compilerType: 'client',
entrypoints: entrypoints.client,
}),
getBaseWebpackConfig(dir, {
...commonWebpackOptions,
compilerType: 'server',
entrypoints: entrypoints.server,
}),
getBaseWebpackConfig(dir, {
...commonWebpackOptions,
compilerType: 'edge-server',
entrypoints: entrypoints.edgeServer,
}),
])
)
const clientConfig = configs[0]
if (
clientConfig.optimization &&
(clientConfig.optimization.minimize !== true ||
(clientConfig.optimization.minimizer &&
clientConfig.optimization.minimizer.length === 0))
) {
Log.warn(
`Production code optimization has been disabled in your project. Read more: https://nextjs.org/docs/messages/minification-disabled`
)
}
webpackBuildStart = process.hrtime()
// We run client and server compilation separately to optimize for memory usage
await runWebpackSpan.traceAsyncFn(async () => {
// If we are under the serverless build, we will have to run the client
// compiler first because the server compiler depends on the manifest
// files that are created by the client compiler.
// Otherwise, we run the server compilers first and then the client
// compiler to track the boundary of server/client components.
let clientResult: SingleCompilerResult | null = null
let serverResult: SingleCompilerResult | null = null
let edgeServerResult: SingleCompilerResult | null = null
if (isLikeServerless) {
if (config.experimental.serverComponents) {
throw new Error(
'Server Components are not supported in serverless mode.'
)
}
// Build client first
clientResult = await runCompiler(clientConfig, {
runWebpackSpan,
})
// Only continue if there were no errors
if (!clientResult.errors.length) {
serverResult = await runCompiler(configs[1], {
runWebpackSpan,
})
edgeServerResult = configs[2]
? await runCompiler(configs[2], { runWebpackSpan })
: null
}
} else {
// During the server compilations, entries of client components will be
// injected to this set and then will be consumed by the client compiler.
injectedClientEntries.clear()
serverResult = await runCompiler(configs[1], {
runWebpackSpan,
})
edgeServerResult = configs[2]
? await runCompiler(configs[2], { runWebpackSpan })
: null
// Only continue if there were no errors
if (
!serverResult.errors.length &&
!edgeServerResult?.errors.length
) {
injectedClientEntries.forEach((value, key) => {
;(clientConfig.entry as webpack.EntryObject)[key] = value
})
clientResult = await runCompiler(clientConfig, {
runWebpackSpan,
})
}
}
result = {
warnings: ([] as any[])
.concat(
clientResult?.warnings,
serverResult?.warnings,
edgeServerResult?.warnings
)
.filter(nonNullable),
errors: ([] as any[])
.concat(
clientResult?.errors,
serverResult?.errors,
edgeServerResult?.errors
)
.filter(nonNullable),
stats: [
clientResult?.stats,
serverResult?.stats,
edgeServerResult?.stats,
],
}
})
result = nextBuildSpan
.traceChild('format-webpack-messages')
.traceFn(() => formatWebpackMessages(result, true))
telemetryPlugin = (clientConfig as webpack.Configuration).plugins?.find(
isTelemetryPlugin
)
})()
const webpackBuildEnd = process.hrtime(webpackBuildStart)
if (buildSpinner) {
buildSpinner.stopAndPersist()
}
if (result.errors.length > 0) {
// Only keep the first few errors. Others are often indicative
// of the same problem, but confuse the reader with noise.
if (result.errors.length > 5) {
result.errors.length = 5
}
let error = result.errors.filter(Boolean).join('\n\n')
console.error(chalk.red('Failed to compile.\n'))
if (
error.indexOf('private-next-pages') > -1 &&
error.indexOf('does not contain a default export') > -1
) {
const page_name_regex = /'private-next-pages\/(?<page_name>[^']*)'/
const parsed = page_name_regex.exec(error)
const page_name = parsed && parsed.groups && parsed.groups.page_name
throw new Error(
`webpack build failed: found page without a React Component as default export in pages/${page_name}\n\nSee https://nextjs.org/docs/messages/page-without-valid-component for more info.`
)
}
console.error(error)
console.error()
const edgeRuntimeErrors = result.stats[2]?.compilation.errors ?? []
for (const err of edgeRuntimeErrors) {
// When using the web runtime, common Node.js native APIs are not available.
const moduleName = getUnresolvedModuleFromError(err.message)
if (!moduleName) continue
const e = new Error(
getNodeBuiltinModuleNotSupportedInEdgeRuntimeMessage(moduleName)
) as NextError
e.code = 'EDGE_RUNTIME_UNSUPPORTED_API'
throw e
}
if (
error.indexOf('private-next-pages') > -1 ||
error.indexOf('__next_polyfill__') > -1
) {
const err = new Error(
'webpack config.resolve.alias was incorrectly overridden. https://nextjs.org/docs/messages/invalid-resolve-alias'
) as NextError
err.code = 'INVALID_RESOLVE_ALIAS'
throw err
}
const err = new Error(
'Build failed because of webpack errors'
) as NextError
err.code = 'WEBPACK_ERRORS'
throw err
} else {
telemetry.record(
eventBuildCompleted(pagePaths, {
durationInSeconds: webpackBuildEnd[0],
})
)
if (result.warnings.length > 0) {
Log.warn('Compiled with warnings\n')
console.warn(result.warnings.filter(Boolean).join('\n\n'))
console.warn()
} else {
Log.info('Compiled successfully')
}
}
const postCompileSpinner = createSpinner({
prefixText: `${Log.prefixes.info} Collecting page data`,
})
const buildManifestPath = path.join(distDir, BUILD_MANIFEST)
const ssgPages = new Set<string>()
const ssgStaticFallbackPages = new Set<string>()
const ssgBlockingFallbackPages = new Set<string>()
const staticPages = new Set<string>()
const invalidPages = new Set<string>()
const hybridAmpPages = new Set<string>()
const serverPropsPages = new Set<string>()
const additionalSsgPaths = new Map<string, Array<string>>()
const additionalSsgPathsEncoded = new Map<string, Array<string>>()
const pageTraceIncludes = new Map<string, Array<string>>()
const pageTraceExcludes = new Map<string, Array<string>>()
const pageInfos = new Map<string, PageInfo>()
const pagesManifest = JSON.parse(
await promises.readFile(manifestPath, 'utf8')
) as PagesManifest
const buildManifest = JSON.parse(
await promises.readFile(buildManifestPath, 'utf8')
) as BuildManifest
const timeout = config.staticPageGenerationTimeout || 0
const sharedPool = config.experimental.sharedPool || false
const staticWorker = sharedPool
? require.resolve('./worker')
: require.resolve('./utils')
let infoPrinted = false
process.env.NEXT_PHASE = PHASE_PRODUCTION_BUILD
const staticWorkers = new Worker(staticWorker, {
timeout: timeout * 1000,
onRestart: (method, [arg], attempts) => {
if (method === 'exportPage') {
const { path: pagePath } = arg
if (attempts >= 3) {
throw new Error(
`Static page generation for ${pagePath} is still timing out after 3 attempts. See more info here https://nextjs.org/docs/messages/static-page-generation-timeout`
)
}
Log.warn(
`Restarted static page generation for ${pagePath} because it took more than ${timeout} seconds`
)
} else {
const pagePath = arg
if (attempts >= 2) {
throw new Error(
`Collecting page data for ${pagePath} is still timing out after 2 attempts. See more info here https://nextjs.org/docs/messages/page-data-collection-timeout`
)
}
Log.warn(
`Restarted collecting page data for ${pagePath} because it took more than ${timeout} seconds`
)
}
if (!infoPrinted) {
Log.warn(
'See more info here https://nextjs.org/docs/messages/static-page-generation-timeout'
)
infoPrinted = true
}
},
numWorkers: config.experimental.cpus,
enableWorkerThreads: config.experimental.workerThreads,
exposedMethods: sharedPool
? [
'hasCustomGetInitialProps',
'isPageStatic',
'getNamedExports',
'exportPage',