misc: refactor webpack build out of build/index (1/6) (#45335)
I'm looking at potentially extracting the webpack compilation step to another process or thread to isolate memory issues, to do this I need to split the build code a bit. This makes it relatively cleaner but there's a lot more that could be done. I'm moving the content of the webpack span to another file and also created a shared `NextBuildContext` to hold parameters to be shared. This will be useful as we split more of the file. ## Bug - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Errors have a helpful link attached, see [`contributing.md`](https://github.com/vercel/next.js/blob/canary/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` - [ ] [e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs) tests added - [ ] Documentation added - [ ] Telemetry added. In case of a feature if it's used or not. - [ ] Errors have a helpful link attached, see [`contributing.md`](https://github.com/vercel/next.js/blob/canary/contributing.md) ## Documentation / Examples - [ ] Make sure the linting passes by running `pnpm build && pnpm lint` - [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This commit is contained in:
Jimmy Lai
GitHub
parent
fd1ae6ba33
commit
f2d95da75b
2 changed files with 273 additions and 218 deletions
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@ -13,7 +13,6 @@ import findUp from 'next/dist/compiled/find-up'
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import { nanoid } from 'next/dist/compiled/nanoid/index.cjs'
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import { pathToRegexp } from 'next/dist/compiled/path-to-regexp'
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import path from 'path'
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import formatWebpackMessages from '../client/dev/error-overlay/format-webpack-messages'
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import {
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STATIC_STATUS_PAGE_GET_INITIAL_PROPS_ERROR,
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PUBLIC_DIR_MIDDLEWARE_CONFLICT,
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@ -54,13 +53,10 @@ import {
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MIDDLEWARE_MANIFEST,
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APP_PATHS_MANIFEST,
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APP_PATH_ROUTES_MANIFEST,
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COMPILER_NAMES,
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APP_BUILD_MANIFEST,
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FLIGHT_SERVER_CSS_MANIFEST,
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RSC_MODULE_TYPES,
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FONT_LOADER_MANIFEST,
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CLIENT_STATIC_FILES_RUNTIME_MAIN_APP,
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APP_CLIENT_INTERNALS,
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SUBRESOURCE_INTEGRITY_MANIFEST,
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MIDDLEWARE_BUILD_MANIFEST,
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MIDDLEWARE_REACT_LOADABLE_MANIFEST,
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@ -73,7 +69,6 @@ import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path'
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import { getPagePath } from '../server/require'
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import * as ciEnvironment from '../telemetry/ci-info'
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import {
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eventBuildCompleted,
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eventBuildOptimize,
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eventCliSession,
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eventBuildFeatureUsage,
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@ -82,16 +77,16 @@ import {
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EVENT_BUILD_FEATURE_USAGE,
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EventBuildFeatureUsage,
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eventPackageUsedInGetServerSideProps,
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eventBuildCompleted,
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} from '../telemetry/events'
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import { Telemetry } from '../telemetry/storage'
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import { runCompiler } from './compiler'
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import { getPageStaticInfo } from './analysis/get-page-static-info'
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import { createEntrypoints, createPagesMapping } from './entries'
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import { generateBuildId } from './generate-build-id'
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import { isWriteable } from './is-writeable'
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import * as Log from './output/log'
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import createSpinner from './spinner'
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import { trace, flushAllTraces, setGlobal } from '../trace'
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import { trace, flushAllTraces, setGlobal, Span } from '../trace'
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import {
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detectConflictingPaths,
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computeFromManifest,
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@ -103,7 +98,6 @@ import {
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isReservedPage,
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AppConfig,
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} from './utils'
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import getBaseWebpackConfig from './webpack-config'
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import { PagesManifest } from './webpack/plugins/pages-manifest-plugin'
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import { writeBuildId } from './write-build-id'
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import { normalizeLocalePath } from '../shared/lib/i18n/normalize-locale-path'
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@ -120,7 +114,6 @@ import {
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teardownCrashReporter,
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loadBindings,
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} from './swc'
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import { injectedClientEntries } from './webpack/plugins/flight-client-entry-plugin'
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import { getNamedRouteRegex } from '../shared/lib/router/utils/route-regex'
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import { flatReaddir } from '../lib/flat-readdir'
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import { RemotePattern } from '../shared/lib/image-config'
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@ -128,6 +121,7 @@ import { eventSwcPlugins } from '../telemetry/events/swc-plugins'
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import { normalizeAppPath } from '../shared/lib/router/utils/app-paths'
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import { AppBuildManifest } from './webpack/plugins/app-build-manifest-plugin'
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import { RSC, RSC_VARY_HEADER } from '../client/components/app-router-headers'
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import { webpackBuild } from './webpack-build'
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export type SsgRoute = {
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initialRevalidateSeconds: number | false
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@ -150,17 +144,18 @@ export type PrerenderManifest = {
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preview: __ApiPreviewProps
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}
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type CompilerResult = {
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errors: webpack.StatsError[]
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warnings: webpack.StatsError[]
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stats: (webpack.Stats | undefined)[]
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}
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type SingleCompilerResult = {
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errors: webpack.StatsError[]
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warnings: webpack.StatsError[]
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stats: webpack.Stats | undefined
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}
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export const NextBuildContext: Partial<{
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telemetryPlugin: TelemetryPlugin
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buildSpinner: any
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nextBuildSpan: Span
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entrypoints: {
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client: webpack.EntryObject
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server: webpack.EntryObject
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edgeServer: webpack.EntryObject
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middlewareMatchers: undefined
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}
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dir: string
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}> = {}
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/**
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* typescript will be loaded in "next/lib/verifyTypeScriptSetup" and
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@ -241,10 +236,6 @@ function generateClientSsgManifest(
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)
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}
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function isTelemetryPlugin(plugin: unknown): plugin is TelemetryPlugin {
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return plugin instanceof TelemetryPlugin
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}
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function pageToRoute(page: string) {
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const routeRegex = getNamedRouteRegex(page)
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return {
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@ -268,6 +259,8 @@ export default async function build(
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const nextBuildSpan = trace('next-build', undefined, {
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version: process.env.__NEXT_VERSION as string,
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})
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NextBuildContext.nextBuildSpan = nextBuildSpan
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NextBuildContext.dir = dir
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const buildResult = await nextBuildSpan.traceAsyncFn(async () => {
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// attempt to load global env values so they are available in next.config.js
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@ -308,6 +301,7 @@ export default async function build(
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}
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const telemetry = new Telemetry({ distDir })
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setGlobal('telemetry', telemetry)
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const publicDir = path.join(dir, 'public')
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@ -483,6 +477,8 @@ export default async function build(
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prefixText: `${Log.prefixes.info} Creating an optimized production build`,
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})
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NextBuildContext.buildSpinner = buildSpinner
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const pagesPaths =
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!appDirOnly && pagesDir
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? await nextBuildSpan
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@ -587,6 +583,7 @@ export default async function build(
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pageExtensions: config.pageExtensions,
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})
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)
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NextBuildContext.entrypoints = entrypoints
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const pagesPageKeys = Object.keys(mappedPages)
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@ -950,200 +947,25 @@ export default async function build(
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ignore: [] as string[],
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}))
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let result: CompilerResult = {
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warnings: [],
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errors: [],
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stats: [],
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}
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let webpackBuildStart
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let telemetryPlugin
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await (async () => {
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// IIFE to isolate locals and avoid retaining memory too long
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const runWebpackSpan = nextBuildSpan.traceChild('run-webpack-compiler')
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const commonWebpackOptions = {
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const webpackBuildDuration = await webpackBuild({
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buildId,
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config,
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pagesDir,
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reactProductionProfiling,
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rewrites,
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runWebpackSpan,
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target,
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appDir,
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noMangling,
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middlewareMatchers: entrypoints.middlewareMatchers,
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}
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const configs = await runWebpackSpan
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.traceChild('generate-webpack-config')
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.traceAsyncFn(() =>
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Promise.all([
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getBaseWebpackConfig(dir, {
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...commonWebpackOptions,
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compilerType: COMPILER_NAMES.client,
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entrypoints: entrypoints.client,
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}),
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getBaseWebpackConfig(dir, {
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...commonWebpackOptions,
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compilerType: COMPILER_NAMES.server,
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entrypoints: entrypoints.server,
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}),
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getBaseWebpackConfig(dir, {
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...commonWebpackOptions,
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compilerType: COMPILER_NAMES.edgeServer,
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entrypoints: entrypoints.edgeServer,
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}),
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])
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)
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const clientConfig = configs[0]
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if (
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clientConfig.optimization &&
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(clientConfig.optimization.minimize !== true ||
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(clientConfig.optimization.minimizer &&
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clientConfig.optimization.minimizer.length === 0))
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) {
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Log.warn(
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`Production code optimization has been disabled in your project. Read more: https://nextjs.org/docs/messages/minification-disabled`
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)
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}
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webpackBuildStart = process.hrtime()
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// We run client and server compilation separately to optimize for memory usage
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await runWebpackSpan.traceAsyncFn(async () => {
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// Run the server compilers first and then the client
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// compiler to track the boundary of server/client components.
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let clientResult: SingleCompilerResult | null = null
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// During the server compilations, entries of client components will be
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// injected to this set and then will be consumed by the client compiler.
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injectedClientEntries.clear()
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const serverResult = await runCompiler(configs[1], {
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runWebpackSpan,
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})
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const edgeServerResult = configs[2]
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? await runCompiler(configs[2], { runWebpackSpan })
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: null
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// Only continue if there were no errors
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if (!serverResult.errors.length && !edgeServerResult?.errors.length) {
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injectedClientEntries.forEach((value, key) => {
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const clientEntry = clientConfig.entry as webpack.EntryObject
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if (key === APP_CLIENT_INTERNALS) {
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clientEntry[CLIENT_STATIC_FILES_RUNTIME_MAIN_APP] = [
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// TODO-APP: cast clientEntry[CLIENT_STATIC_FILES_RUNTIME_MAIN_APP] to type EntryDescription once it's available from webpack
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// @ts-expect-error clientEntry['main-app'] is type EntryDescription { import: ... }
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...clientEntry[CLIENT_STATIC_FILES_RUNTIME_MAIN_APP].import,
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value,
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]
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} else {
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clientEntry[key] = {
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dependOn: [CLIENT_STATIC_FILES_RUNTIME_MAIN_APP],
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import: value,
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}
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}
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})
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clientResult = await runCompiler(clientConfig, {
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runWebpackSpan,
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})
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}
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result = {
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warnings: ([] as any[])
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.concat(
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clientResult?.warnings,
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serverResult?.warnings,
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edgeServerResult?.warnings
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)
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.filter(nonNullable),
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errors: ([] as any[])
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.concat(
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clientResult?.errors,
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serverResult?.errors,
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edgeServerResult?.errors
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)
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.filter(nonNullable),
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stats: [
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clientResult?.stats,
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serverResult?.stats,
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edgeServerResult?.stats,
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],
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}
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})
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result = nextBuildSpan
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.traceChild('format-webpack-messages')
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.traceFn(() => formatWebpackMessages(result, true))
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telemetryPlugin = (clientConfig as webpack.Configuration).plugins?.find(
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isTelemetryPlugin
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)
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})()
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const webpackBuildEnd = process.hrtime(webpackBuildStart)
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if (buildSpinner) {
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buildSpinner.stopAndPersist()
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}
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if (result.errors.length > 0) {
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// Only keep the first few errors. Others are often indicative
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// of the same problem, but confuse the reader with noise.
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if (result.errors.length > 5) {
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result.errors.length = 5
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}
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let error = result.errors.filter(Boolean).join('\n\n')
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console.error(chalk.red('Failed to compile.\n'))
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if (
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error.indexOf('private-next-pages') > -1 &&
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error.indexOf('does not contain a default export') > -1
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) {
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const page_name_regex = /'private-next-pages\/(?<page_name>[^']*)'/
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const parsed = page_name_regex.exec(error)
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const page_name = parsed && parsed.groups && parsed.groups.page_name
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throw new Error(
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`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.`
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)
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}
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console.error(error)
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console.error()
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if (
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error.indexOf('private-next-pages') > -1 ||
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error.indexOf('__next_polyfill__') > -1
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) {
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const err = new Error(
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'webpack config.resolve.alias was incorrectly overridden. https://nextjs.org/docs/messages/invalid-resolve-alias'
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) as NextError
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err.code = 'INVALID_RESOLVE_ALIAS'
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throw err
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}
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const err = new Error(
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'Build failed because of webpack errors'
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) as NextError
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err.code = 'WEBPACK_ERRORS'
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throw err
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} else {
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telemetry.record(
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eventBuildCompleted(pagesPaths, {
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durationInSeconds: webpackBuildEnd[0],
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durationInSeconds: webpackBuildDuration,
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totalAppPagesCount,
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})
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)
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if (result.warnings.length > 0) {
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Log.warn('Compiled with warnings\n')
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console.warn(result.warnings.filter(Boolean).join('\n\n'))
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console.warn()
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} else {
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Log.info('Compiled successfully')
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}
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}
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// For app directory, we run type checking after build.
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if (appDir) {
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await startTypeChecking()
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@ -2739,10 +2561,12 @@ export default async function build(
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})
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)
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if (telemetryPlugin) {
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const events = eventBuildFeatureUsage(telemetryPlugin)
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if (NextBuildContext.telemetryPlugin) {
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const events = eventBuildFeatureUsage(NextBuildContext.telemetryPlugin)
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telemetry.record(events)
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telemetry.record(eventPackageUsedInGetServerSideProps(telemetryPlugin))
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telemetry.record(
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eventPackageUsedInGetServerSideProps(NextBuildContext.telemetryPlugin)
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)
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}
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if (ssgPages.size > 0 || appDir) {
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|
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231
packages/next/src/build/webpack-build.ts
Normal file
231
packages/next/src/build/webpack-build.ts
Normal file
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@ -0,0 +1,231 @@
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import type { webpack } from 'next/dist/compiled/webpack/webpack'
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import chalk from 'next/dist/compiled/chalk'
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import formatWebpackMessages from '../client/dev/error-overlay/format-webpack-messages'
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import { nonNullable } from '../lib/non-nullable'
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import {
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COMPILER_NAMES,
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CLIENT_STATIC_FILES_RUNTIME_MAIN_APP,
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APP_CLIENT_INTERNALS,
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} from '../shared/lib/constants'
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import { runCompiler } from './compiler'
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import * as Log from './output/log'
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import getBaseWebpackConfig from './webpack-config'
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import { NextError } from '../lib/is-error'
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import { injectedClientEntries } from './webpack/plugins/flight-client-entry-plugin'
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import { TelemetryPlugin } from './webpack/plugins/telemetry-plugin'
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import { Rewrite } from '../lib/load-custom-routes'
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import { NextConfigComplete } from '../server/config-shared'
|
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import { MiddlewareMatcher } from './analysis/get-page-static-info'
|
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import { NextBuildContext } from '.'
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|
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type CompilerResult = {
|
||||
errors: webpack.StatsError[]
|
||||
warnings: webpack.StatsError[]
|
||||
stats: (webpack.Stats | undefined)[]
|
||||
}
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||||
|
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type SingleCompilerResult = {
|
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errors: webpack.StatsError[]
|
||||
warnings: webpack.StatsError[]
|
||||
stats: webpack.Stats | undefined
|
||||
}
|
||||
|
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function isTelemetryPlugin(plugin: unknown): plugin is TelemetryPlugin {
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return plugin instanceof TelemetryPlugin
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}
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|
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export async function webpackBuild(commonWebpackOptions: {
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buildId: string
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config: NextConfigComplete
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pagesDir: string | undefined
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reactProductionProfiling: boolean
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||||
rewrites: {
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fallback: Rewrite[]
|
||||
afterFiles: Rewrite[]
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beforeFiles: Rewrite[]
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||||
}
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target: string
|
||||
appDir: string | undefined
|
||||
noMangling: boolean
|
||||
middlewareMatchers: MiddlewareMatcher[] | undefined
|
||||
}): Promise<number> {
|
||||
let result: CompilerResult | null = {
|
||||
warnings: [],
|
||||
errors: [],
|
||||
stats: [],
|
||||
}
|
||||
let webpackBuildStart
|
||||
const nextBuildSpan = NextBuildContext.nextBuildSpan!
|
||||
const buildSpinner = NextBuildContext.buildSpinner
|
||||
const dir = NextBuildContext.dir!
|
||||
await (async () => {
|
||||
// IIFE to isolate locals and avoid retaining memory too long
|
||||
const runWebpackSpan = nextBuildSpan.traceChild('run-webpack-compiler')
|
||||
|
||||
const entrypoints = NextBuildContext.entrypoints!
|
||||
const configs = await runWebpackSpan
|
||||
.traceChild('generate-webpack-config')
|
||||
.traceAsyncFn(() =>
|
||||
Promise.all([
|
||||
getBaseWebpackConfig(dir, {
|
||||
...commonWebpackOptions,
|
||||
runWebpackSpan,
|
||||
compilerType: COMPILER_NAMES.client,
|
||||
entrypoints: entrypoints.client,
|
||||
}),
|
||||
getBaseWebpackConfig(dir, {
|
||||
...commonWebpackOptions,
|
||||
runWebpackSpan,
|
||||
compilerType: COMPILER_NAMES.server,
|
||||
entrypoints: entrypoints.server,
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||||
}),
|
||||
getBaseWebpackConfig(dir, {
|
||||
...commonWebpackOptions,
|
||||
runWebpackSpan,
|
||||
compilerType: COMPILER_NAMES.edgeServer,
|
||||
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 () => {
|
||||
// Run the server compilers first and then the client
|
||||
// compiler to track the boundary of server/client components.
|
||||
let clientResult: SingleCompilerResult | null = null
|
||||
|
||||
// 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()
|
||||
|
||||
const serverResult = await runCompiler(configs[1], {
|
||||
runWebpackSpan,
|
||||
})
|
||||
const 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) => {
|
||||
const clientEntry = clientConfig.entry as webpack.EntryObject
|
||||
if (key === APP_CLIENT_INTERNALS) {
|
||||
clientEntry[CLIENT_STATIC_FILES_RUNTIME_MAIN_APP] = [
|
||||
// TODO-APP: cast clientEntry[CLIENT_STATIC_FILES_RUNTIME_MAIN_APP] to type EntryDescription once it's available from webpack
|
||||
// @ts-expect-error clientEntry['main-app'] is type EntryDescription { import: ... }
|
||||
...clientEntry[CLIENT_STATIC_FILES_RUNTIME_MAIN_APP].import,
|
||||
value,
|
||||
]
|
||||
} else {
|
||||
clientEntry[key] = {
|
||||
dependOn: [CLIENT_STATIC_FILES_RUNTIME_MAIN_APP],
|
||||
import: 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))
|
||||
|
||||
NextBuildContext.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()
|
||||
|
||||
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 {
|
||||
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')
|
||||
}
|
||||
return webpackBuildEnd[0]
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue