mirror of
https://github.com/terribleplan/next.js.git
synced 2024-01-19 02:48:18 +00:00
295 lines
9.7 KiB
JavaScript
295 lines
9.7 KiB
JavaScript
import path, {sep} from 'path'
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import webpack from 'webpack'
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import resolve from 'resolve'
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import UglifyJSPlugin from 'uglifyjs-webpack-plugin'
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import CaseSensitivePathPlugin from 'case-sensitive-paths-webpack-plugin'
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import WriteFilePlugin from 'write-file-webpack-plugin'
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import FriendlyErrorsWebpackPlugin from 'friendly-errors-webpack-plugin'
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import {getPages} from './webpack/utils'
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import PagesPlugin from './plugins/pages-plugin'
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import NextJsSsrImportPlugin from './plugins/nextjs-ssr-import'
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import DynamicChunksPlugin from './plugins/dynamic-chunks-plugin'
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import UnlinkFilePlugin from './plugins/unlink-file-plugin'
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import findBabelConfig from './babel/find-config'
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const nextDir = path.join(__dirname, '..', '..', '..')
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const nextNodeModulesDir = path.join(nextDir, 'node_modules')
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const nextPagesDir = path.join(nextDir, 'pages')
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const defaultPages = [
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'_error.js',
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'_document.js'
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]
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const interpolateNames = new Map(defaultPages.map((p) => {
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return [path.join(nextPagesDir, p), `dist/bundles/pages/${p}`]
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}))
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function babelConfig (dir, {isServer, dev}) {
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const mainBabelOptions = {
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cacheDirectory: true,
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presets: [],
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plugins: [
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dev && !isServer && require.resolve('react-hot-loader/babel')
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].filter(Boolean)
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}
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const externalBabelConfig = findBabelConfig(dir)
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if (externalBabelConfig) {
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// Log it out once
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if (!isServer) {
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console.log(`> Using external babel configuration`)
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console.log(`> Location: "${externalBabelConfig.loc}"`)
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}
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// It's possible to turn off babelrc support via babelrc itself.
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// In that case, we should add our default preset.
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// That's why we need to do this.
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const { options } = externalBabelConfig
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mainBabelOptions.babelrc = options.babelrc !== false
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} else {
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mainBabelOptions.babelrc = false
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}
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// Add our default preset if the no "babelrc" found.
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if (!mainBabelOptions.babelrc) {
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mainBabelOptions.presets.push(require.resolve('./babel/preset'))
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}
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return mainBabelOptions
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}
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function externalsConfig (dir, isServer) {
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const externals = []
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if (!isServer) {
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return externals
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}
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externals.push((context, request, callback) => {
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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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// Webpack itself has to be compiled because it doesn't always use module relative paths
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if (res.match(/node_modules[/\\]next[/\\]dist[/\\]pages/)) {
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return callback()
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}
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if (res.match(/node_modules[/\\]webpack/)) {
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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(null, `commonjs ${request}`)
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}
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callback()
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})
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})
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return externals
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}
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export default async function getBaseWebpackConfig (dir, {dev = false, isServer = false, buildId, config}) {
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const babelLoaderOptions = babelConfig(dir, {dev, isServer})
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const defaultLoaders = {
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babel: {
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loader: 'babel-loader',
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options: babelLoaderOptions
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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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let totalPages
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let webpackConfig = {
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devtool: dev ? 'source-map' : false,
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name: isServer ? 'server' : 'client',
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cache: true,
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target: isServer ? 'node' : 'web',
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externals: externalsConfig(dir, isServer),
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context: dir,
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entry: async () => {
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const pages = await getPages(dir, {dev, isServer, pageExtensions: config.pageExtensions.join('|')})
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totalPages = Object.keys(pages).length
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const mainJS = require.resolve(`../../client/next${dev ? '-dev' : ''}`)
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const clientConfig = !isServer ? {
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'main.js': [
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dev && !isServer && path.join(__dirname, '..', '..', 'client', 'webpack-hot-middleware-client'),
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dev && !isServer && path.join(__dirname, '..', '..', 'client', 'on-demand-entries-client'),
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mainJS
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].filter(Boolean)
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} : {}
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return {
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...clientConfig,
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...pages
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}
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},
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output: {
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path: path.join(dir, config.distDir, isServer ? 'dist' : ''), // server compilation goes to `.next/dist`
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filename: '[name]',
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libraryTarget: 'commonjs2',
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// This saves chunks with the name given via require.ensure()
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chunkFilename: '[name]-[chunkhash].js',
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strictModuleExceptionHandling: true,
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devtoolModuleFilenameTemplate: '[absolute-resource-path]'
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},
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performance: { hints: false },
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resolve: {
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extensions: ['.js', '.jsx', '.json'],
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modules: [
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nextNodeModulesDir,
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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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next: nextDir,
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// React already does something similar to this.
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// But if the user has react-devtools, it'll throw an error showing that
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// we haven't done dead code elimination (via uglifyjs).
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// We purposly do not uglify React code to save the build time.
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// (But it didn't increase the overall build size)
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// Here we are doing an exact match with '$'
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// So, you can still require nested modules like `react-dom/server`
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react$: dev ? 'react/cjs/react.development.js' : 'react/cjs/react.production.min.js',
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'react-dom$': dev ? 'react-dom/cjs/react-dom.development.js' : 'react-dom/cjs/react-dom.production.min.js'
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}
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},
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resolveLoader: {
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modules: [
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nextNodeModulesDir,
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'node_modules',
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path.join(__dirname, 'loaders'),
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...nodePathList // Support for NODE_PATH environment variable
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]
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},
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module: {
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rules: [
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dev && !isServer && {
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test: /\.(js|jsx)(\?[^?]*)?$/,
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loader: 'hot-self-accept-loader',
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include: [
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path.join(dir, 'pages'),
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nextPagesDir
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]
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},
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{
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test: /\.+(js|jsx)$/,
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include: [dir],
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exclude: /node_modules/,
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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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new webpack.IgnorePlugin(/(precomputed)/, /node_modules.+(elliptic)/),
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dev && new webpack.NoEmitOnErrorsPlugin(),
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dev && !isServer && new FriendlyErrorsWebpackPlugin(),
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dev && new webpack.NamedModulesPlugin(),
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dev && !isServer && new webpack.HotModuleReplacementPlugin(), // Hot module replacement
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dev && new UnlinkFilePlugin(),
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dev && new CaseSensitivePathPlugin(), // Since on macOS the filesystem is case-insensitive this will make sure your path are case-sensitive
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dev && new webpack.LoaderOptionsPlugin({
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options: {
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context: dir,
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customInterpolateName (url, name, opts) {
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return interpolateNames.get(this.resourcePath) || url
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}
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}
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}),
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dev && new WriteFilePlugin({
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exitOnErrors: false,
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log: false,
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// required not to cache removed files
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useHashIndex: false
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}),
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!dev && new webpack.IgnorePlugin(/react-hot-loader/),
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!isServer && !dev && new UglifyJSPlugin({
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exclude: /react\.js/,
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parallel: true,
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sourceMap: false,
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uglifyOptions: {
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compress: {
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arrows: false,
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booleans: false,
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collapse_vars: false,
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comparisons: false,
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computed_props: false,
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hoist_funs: false,
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hoist_props: false,
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hoist_vars: false,
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if_return: false,
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inline: false,
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join_vars: false,
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keep_infinity: true,
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loops: false,
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negate_iife: false,
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properties: false,
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reduce_funcs: false,
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reduce_vars: false,
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sequences: false,
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side_effects: false,
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switches: false,
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top_retain: false,
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toplevel: false,
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typeofs: false,
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unused: false,
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conditionals: true,
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dead_code: true,
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evaluate: true
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}
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}
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}),
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new webpack.DefinePlugin({
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'process.env.NODE_ENV': JSON.stringify(dev ? 'development' : 'production')
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}),
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!dev && new webpack.optimize.ModuleConcatenationPlugin(),
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!isServer && new PagesPlugin(),
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!isServer && new DynamicChunksPlugin(),
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isServer && new NextJsSsrImportPlugin(),
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// In dev mode, we don't move anything to the commons bundle.
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// In production we move common modules into the existing main.js bundle
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!dev && !isServer && new webpack.optimize.CommonsChunkPlugin({
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name: 'main.js',
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filename: 'main.js',
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minChunks (module, count) {
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// react
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if (module.resource && module.resource.includes(`${sep}react-dom${sep}`) && count >= 0) {
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return true
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}
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if (module.resource && module.resource.includes(`${sep}react${sep}`) && count >= 0) {
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return true
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}
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// react end
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// commons
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// If there are one or two pages, only move modules to common if they are
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// used in all of the pages. Otherwise, move modules used in at-least
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// 1/2 of the total pages into commons.
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if (totalPages <= 2) {
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return count >= totalPages
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}
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return count >= totalPages * 0.5
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// commons end
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}
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}),
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// We use a manifest file in development to speed up HMR
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dev && !isServer && new webpack.optimize.CommonsChunkPlugin({
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name: 'manifest',
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filename: 'manifest.js'
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})
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].filter(Boolean)
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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})
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}
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return webpackConfig
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}
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