35bbe30912
* Resolve Next.js loaders first Next.js loaders should be resolved first, then node_modules. There is no need for NEXT_PROJECT_ROOT_NODE_MODULES anymore since all our loaders are internal * Move wasm to end of array Since wasm isn’t the main target for Next.js it makes no sense to try and resolve it as the first value, as it would incur a file not found for nearly all files in the compilation
361 lines
14 KiB
TypeScript
361 lines
14 KiB
TypeScript
import path from 'path'
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import webpack from 'webpack'
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import resolve from 'next/dist/compiled/resolve/index.js'
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import NextJsSsrImportPlugin from './webpack/plugins/nextjs-ssr-import'
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import NextJsSSRModuleCachePlugin from './webpack/plugins/nextjs-ssr-module-cache'
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import PagesManifestPlugin from './webpack/plugins/pages-manifest-plugin'
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import BuildManifestPlugin from './webpack/plugins/build-manifest-plugin'
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import ChunkNamesPlugin from './webpack/plugins/chunk-names-plugin'
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import { ReactLoadablePlugin } from './webpack/plugins/react-loadable-plugin'
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import { SERVER_DIRECTORY, REACT_LOADABLE_MANIFEST, CHUNK_GRAPH_MANIFEST, CLIENT_STATIC_FILES_RUNTIME_WEBPACK, CLIENT_STATIC_FILES_RUNTIME_MAIN } from 'next-server/constants'
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import { NEXT_PROJECT_ROOT, NEXT_PROJECT_ROOT_NODE_MODULES, NEXT_PROJECT_ROOT_DIST_CLIENT, PAGES_DIR_ALIAS, DOT_NEXT_ALIAS } from '../lib/constants'
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import {TerserPlugin} from './webpack/plugins/terser-webpack-plugin/src/index'
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import { ServerlessPlugin } from './webpack/plugins/serverless-plugin'
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import { AllModulesIdentifiedPlugin } from './webpack/plugins/all-modules-identified-plugin'
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import { SharedRuntimePlugin } from './webpack/plugins/shared-runtime-plugin'
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import { HashedChunkIdsPlugin } from './webpack/plugins/hashed-chunk-ids-plugin'
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import { ChunkGraphPlugin } from './webpack/plugins/chunk-graph-plugin'
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import { WebpackEntrypoints } from './entries'
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type ExcludesFalse = <T>(x: T | false) => x is T
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export default function getBaseWebpackConfig (dir: string, {dev = false, debug = false, isServer = false, buildId, config, target = 'server', entrypoints, __selectivePageBuilding = false}: {dev?: boolean, debug?: boolean, isServer?: boolean, buildId: string, config: any, target?: string, entrypoints: WebpackEntrypoints, __selectivePageBuilding?: boolean}): webpack.Configuration {
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const defaultLoaders = {
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babel: {
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loader: 'next-babel-loader',
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options: { isServer, cwd: dir }
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},
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// Backwards compat
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hotSelfAccept: {
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loader: 'noop-loader'
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}
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}
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// Support for NODE_PATH
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const nodePathList = (process.env.NODE_PATH || '')
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.split(process.platform === 'win32' ? ';' : ':')
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.filter((p) => !!p)
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const distDir = path.join(dir, config.distDir)
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const outputDir = target === 'serverless' ? 'serverless' : SERVER_DIRECTORY
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const outputPath = path.join(distDir, isServer ? outputDir : '')
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const totalPages = Object.keys(entrypoints).length
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const clientEntries = !isServer ? {
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// Backwards compatibility
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'main.js': [],
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[CLIENT_STATIC_FILES_RUNTIME_MAIN]: `.${path.sep}` + path.relative(dir, path.join(NEXT_PROJECT_ROOT_DIST_CLIENT, (dev ? `next-dev.js` : 'next.js')))
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} : undefined
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const resolveConfig = {
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// Disable .mjs for node_modules bundling
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extensions: isServer ? ['.js', '.mjs', '.jsx', '.json', '.wasm'] : ['.mjs', '.js', '.jsx', '.json', '.wasm'],
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modules: [
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'node_modules',
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...nodePathList // Support for NODE_PATH environment variable
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],
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alias: {
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// These aliases make sure the wrapper module is not included in the bundles
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// Which makes bundles slightly smaller, but also skips parsing a module that we know will result in this alias
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'next/head': 'next-server/dist/lib/head.js',
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'next/router': 'next/dist/client/router.js',
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'next/config': 'next-server/dist/lib/runtime-config.js',
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'next/dynamic': 'next-server/dist/lib/dynamic.js',
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next: NEXT_PROJECT_ROOT,
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[PAGES_DIR_ALIAS]: path.join(dir, 'pages'),
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[DOT_NEXT_ALIAS]: distDir
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},
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mainFields: isServer ? ['main', 'module'] : ['browser', 'module', 'main']
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}
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const webpackMode = dev ? 'development' : 'production'
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const terserPluginConfig = {
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parallel: true,
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sourceMap: false,
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cache: true,
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cpus: config.experimental.cpus,
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}
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let webpackConfig: webpack.Configuration = {
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mode: webpackMode,
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devtool: (dev || debug) ? 'cheap-module-source-map' : false,
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name: isServer ? 'server' : 'client',
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target: isServer ? 'node' : 'web',
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externals: isServer && target !== 'serverless' ? [
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(context, request, callback) => {
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const notExternalModules = [
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'next/app', 'next/document', 'next/link', 'next/error',
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'string-hash',
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'next/constants'
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]
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if (notExternalModules.indexOf(request) !== -1) {
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return callback()
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}
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resolve(request, { basedir: dir, preserveSymlinks: true }, (err, res) => {
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if (err) {
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return callback()
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}
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if (!res) {
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return callback()
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}
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// Default pages have to be transpiled
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if (res.match(/next[/\\]dist[/\\]/) || res.match(/node_modules[/\\]@babel[/\\]runtime[/\\]/) || res.match(/node_modules[/\\]@babel[/\\]runtime-corejs2[/\\]/)) {
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return callback()
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}
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// Webpack itself has to be compiled because it doesn't always use module relative paths
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if (res.match(/node_modules[/\\]webpack/) || res.match(/node_modules[/\\]css-loader/)) {
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return callback()
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}
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// styled-jsx has to be transpiled
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if (res.match(/node_modules[/\\]styled-jsx/)) {
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return callback()
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}
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if (res.match(/node_modules[/\\].*\.js$/)) {
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return callback(undefined, `commonjs ${request}`)
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}
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callback()
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})
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}
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] : [
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// When the serverless target is used all node_modules will be compiled into the output bundles
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// So that the serverless bundles have 0 runtime dependencies
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'amp-toolbox-optimizer' // except this one
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],
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optimization: isServer ? {
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splitChunks: false,
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minimize: false
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} : Object.assign({
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runtimeChunk: __selectivePageBuilding ? false : {
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name: CLIENT_STATIC_FILES_RUNTIME_WEBPACK
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},
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splitChunks: dev ? {
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cacheGroups: {
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default: false,
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vendors: false
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}
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} : __selectivePageBuilding ? {
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cacheGroups: {
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default: false,
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vendors: false,
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react: {
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name: 'commons',
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chunks: 'all',
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test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/
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}
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}
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} : {
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chunks: 'all',
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cacheGroups: {
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default: false,
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vendors: false,
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commons: {
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name: 'commons',
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chunks: 'all',
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minChunks: totalPages > 2 ? totalPages * 0.5 : 2
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},
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react: {
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name: 'commons',
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chunks: 'all',
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test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/
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}
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}
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},
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minimize: !(dev || debug),
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minimizer: !(dev || debug) ? [
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new TerserPlugin({...terserPluginConfig,
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terserOptions: {
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safari10: true
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}
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})
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] : undefined,
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}, __selectivePageBuilding ? {
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providedExports: false,
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usedExports: false,
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concatenateModules: false,
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} : undefined),
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recordsPath: path.join(outputPath, 'records.json'),
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context: dir,
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// Kept as function to be backwards compatible
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entry: async () => {
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return {
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...clientEntries ? clientEntries : {},
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...entrypoints
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}
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},
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output: {
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path: outputPath,
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filename: ({chunk}: {chunk: {name: string}}) => {
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// Use `[name]-[contenthash].js` in production
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if (!dev && (chunk.name === CLIENT_STATIC_FILES_RUNTIME_MAIN || chunk.name === CLIENT_STATIC_FILES_RUNTIME_WEBPACK)) {
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return chunk.name.replace(/\.js$/, '-[contenthash].js')
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}
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return '[name]'
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},
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libraryTarget: isServer ? 'commonjs2' : 'var',
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hotUpdateChunkFilename: 'static/webpack/[id].[hash].hot-update.js',
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hotUpdateMainFilename: 'static/webpack/[hash].hot-update.json',
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// This saves chunks with the name given via `import()`
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chunkFilename: isServer ? `${dev ? '[name]' : '[name].[contenthash]'}.js` : `static/chunks/${dev ? '[name]' : '[name].[contenthash]'}.js`,
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strictModuleExceptionHandling: true,
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crossOriginLoading: config.crossOrigin,
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futureEmitAssets: !dev,
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webassemblyModuleFilename: 'static/wasm/[modulehash].wasm'
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},
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performance: { hints: false },
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resolve: resolveConfig,
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resolveLoader: {
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modules: [
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path.join(__dirname, 'webpack', 'loaders'), // The loaders Next.js provides
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'node_modules',
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...nodePathList // Support for NODE_PATH environment variable
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]
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},
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// @ts-ignore this is filtered
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module: {
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rules: [
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config.experimental.ampBindInitData && !isServer && {
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test: /\.(js|mjs|jsx)$/,
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include: [path.join(dir, 'data')],
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use: 'next-data-loader'
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},
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{
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test: /\.(js|mjs|jsx)$/,
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include: [dir, /next-server[\\/]dist[\\/]lib/],
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exclude: (path: string) => {
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if (/next-server[\\/]dist[\\/]lib/.test(path)) {
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return false
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}
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return /node_modules/.test(path)
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},
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use: defaultLoaders.babel
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}
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].filter(Boolean)
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},
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plugins: [
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// This plugin makes sure `output.filename` is used for entry chunks
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new ChunkNamesPlugin(),
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new webpack.DefinePlugin({
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...(Object.keys(config.env).reduce((acc, key) => {
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if (/^(?:NODE_.+)|(?:__.+)$/i.test(key)) {
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throw new Error(`The key "${key}" under "env" in next.config.js is not allowed. https://err.sh/zeit/next.js/env-key-not-allowed`)
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}
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return {
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...acc,
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[`process.env.${key}`]: JSON.stringify(config.env[key])
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}
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}, {})),
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'process.crossOrigin': JSON.stringify(config.crossOrigin),
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'process.browser': JSON.stringify(!isServer),
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// This is used in client/dev-error-overlay/hot-dev-client.js to replace the dist directory
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...(dev && !isServer ? {
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'process.env.__NEXT_DIST_DIR': JSON.stringify(distDir)
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} : {}),
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'process.env.__NEXT_EXPERIMENTAL_DEBUG': JSON.stringify(debug),
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'process.env.__NEXT_EXPORT_TRAILING_SLASH': JSON.stringify(config.experimental.exportTrailingSlash)
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}),
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!isServer && new ReactLoadablePlugin({
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filename: REACT_LOADABLE_MANIFEST
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}),
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!isServer && __selectivePageBuilding && new ChunkGraphPlugin(buildId, path.resolve(dir), { filename: CHUNK_GRAPH_MANIFEST }),
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...(dev ? (() => {
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// Even though require.cache is server only we have to clear assets from both compilations
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// This is because the client compilation generates the build manifest that's used on the server side
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const {NextJsRequireCacheHotReloader} = require('./webpack/plugins/nextjs-require-cache-hot-reloader')
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const {UnlinkRemovedPagesPlugin} = require('./webpack/plugins/unlink-removed-pages-plugin')
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const devPlugins = [
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new UnlinkRemovedPagesPlugin(),
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new webpack.NoEmitOnErrorsPlugin(),
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new NextJsRequireCacheHotReloader(),
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]
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if(!isServer) {
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const AutoDllPlugin = require('autodll-webpack-plugin')
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devPlugins.push(
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new AutoDllPlugin({
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filename: '[name]_[hash].js',
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path: './static/development/dll',
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context: dir,
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entry: {
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dll: [
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'react',
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'react-dom'
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]
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},
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config: {
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mode: webpackMode,
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resolve: resolveConfig
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}
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})
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)
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devPlugins.push(new webpack.HotModuleReplacementPlugin())
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}
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return devPlugins
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})() : []),
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!dev && new webpack.HashedModuleIdsPlugin(),
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// This must come after HashedModuleIdsPlugin (it sets any modules that
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// were missed by HashedModuleIdsPlugin)
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!dev && __selectivePageBuilding && new AllModulesIdentifiedPlugin(dir),
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// This sets chunk ids to be hashed versions of their names to reduce
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// bundle churn
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!dev && new HashedChunkIdsPlugin(buildId),
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// On the client we want to share the same runtime cache
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!isServer && __selectivePageBuilding && new SharedRuntimePlugin(),
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!dev && new webpack.IgnorePlugin({
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checkResource: (resource: string) => {
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return /react-is/.test(resource)
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},
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checkContext: (context: string) => {
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return /next-server[\\/]dist[\\/]/.test(context) || /next[\\/]dist[\\/]/.test(context)
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}
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}),
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target === 'serverless' && (isServer || __selectivePageBuilding) && new ServerlessPlugin(buildId, { isServer }),
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target !== 'serverless' && isServer && new PagesManifestPlugin(),
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target !== 'serverless' && isServer && new NextJsSSRModuleCachePlugin({ outputPath }),
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isServer && new NextJsSsrImportPlugin(),
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!isServer && new BuildManifestPlugin(),
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config.experimental.profiling && new webpack.debug.ProfilingPlugin({
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outputPath: path.join(distDir, `profile-events-${isServer ? 'server' : 'client'}.json`)
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})
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].filter(Boolean as any as ExcludesFalse)
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}
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if (typeof config.webpack === 'function') {
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webpackConfig = config.webpack(webpackConfig, { dir, dev, isServer, buildId, config, defaultLoaders, totalPages, webpack })
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// @ts-ignore: Property 'then' does not exist on type 'Configuration'
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if (typeof webpackConfig.then === 'function') {
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console.warn('> Promise returned in next config. https://err.sh/zeit/next.js/promise-in-next-config.md')
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}
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}
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// Backwards compat for `main.js` entry key
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const originalEntry: any = webpackConfig.entry
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if (typeof originalEntry !== 'undefined') {
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webpackConfig.entry = async () => {
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const entry: WebpackEntrypoints = typeof originalEntry === 'function' ? await originalEntry() : originalEntry
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// Server compilation doesn't have main.js
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if (clientEntries && entry['main.js'] && entry['main.js'].length > 0) {
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const originalFile = clientEntries[CLIENT_STATIC_FILES_RUNTIME_MAIN]
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entry[CLIENT_STATIC_FILES_RUNTIME_MAIN] = [
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...entry['main.js'],
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originalFile
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]
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}
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delete entry['main.js']
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return entry
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}
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}
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return webpackConfig
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}
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