1 | // @remove-on-eject-begin
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2 | /**
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3 | * Copyright (c) 2015-present, Facebook, Inc.
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4 | *
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5 | * This source code is licensed under the MIT license found in the
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6 | * LICENSE file in the root directory of this source tree.
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7 | */
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8 | // @remove-on-eject-end
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9 | ;
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10 |
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11 | const fs = require('fs');
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12 | const isWsl = require('is-wsl');
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13 | const path = require('path');
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14 | const webpack = require('webpack');
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15 | const resolve = require('resolve');
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16 | const PnpWebpackPlugin = require('pnp-webpack-plugin');
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17 | const HtmlWebpackPlugin = require('html-webpack-plugin');
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18 | const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
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19 | const InlineChunkHtmlPlugin = require('react-dev-utils/InlineChunkHtmlPlugin');
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20 | const TerserPlugin = require('terser-webpack-plugin');
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21 | const MiniCssExtractPlugin = require('mini-css-extract-plugin');
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22 | const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
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23 | const safePostCssParser = require('postcss-safe-parser');
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24 | const ManifestPlugin = require('webpack-manifest-plugin');
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25 | const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
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26 | const WorkboxWebpackPlugin = require('workbox-webpack-plugin');
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27 | const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin');
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28 | const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
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29 | const getCSSModuleLocalIdent = require('react-dev-utils/getCSSModuleLocalIdent');
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30 | const paths = require('./paths');
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31 | const modules = require('./modules');
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32 | const getClientEnvironment = require('./env');
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33 | const ModuleNotFoundPlugin = require('react-dev-utils/ModuleNotFoundPlugin');
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34 | const ForkTsCheckerWebpackPlugin = require('react-dev-utils/ForkTsCheckerWebpackPlugin');
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35 | const typescriptFormatter = require('react-dev-utils/typescriptFormatter');
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36 | // @remove-on-eject-begin
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37 | const getCacheIdentifier = require('react-dev-utils/getCacheIdentifier');
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38 | // @remove-on-eject-end
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39 | const postcssNormalize = require('postcss-normalize');
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40 |
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41 | const SpritePlugin = require('svg-sprite-loader/plugin');
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42 | const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
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43 | .BundleAnalyzerPlugin;
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44 | const version = process.env.REACT_APP_VERSION;
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45 |
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46 | // Source maps are resource heavy and can cause out of memory issue for large source files.
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47 | const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
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48 | // Some apps do not need the benefits of saving a web request, so not inlining the chunk
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49 | // makes for a smoother build process.
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50 | const shouldInlineRuntimeChunk = process.env.INLINE_RUNTIME_CHUNK !== 'false';
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51 |
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52 | // Check if TypeScript is setup
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53 | const useTypeScript = fs.existsSync(paths.appTsConfig);
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54 |
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55 | const shouldRunAnalyzer = process.env.NO_ANALYZER !== 'true';
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56 |
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57 | // style files regexes
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58 | const cssRegex = /\.css$/;
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59 | const cssModuleRegex = /\.module\.css$/;
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60 | const sassRegex = /\.(scss|sass)$/;
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61 | const sassModuleRegex = /\.module\.(scss|sass)$/;
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62 |
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63 | // This is the production and development configuration.
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64 | // It is focused on developer experience, fast rebuilds, and a minimal bundle.
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65 | module.exports = function(webpackEnv) {
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66 | const isEnvDevelopment = webpackEnv === 'development';
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67 | const isEnvProduction = webpackEnv === 'production';
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68 |
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69 | // Webpack uses `publicPath` to determine where the app is being served from.
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70 | // It requires a trailing slash, or the file assets will get an incorrect path.
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71 | // In development, we always serve from the root. This makes config easier.
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72 | const publicPath = isEnvProduction
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73 | ? paths.servedPath
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74 | : isEnvDevelopment && '/';
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75 | // Some apps do not use client-side routing with pushState.
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76 | // For these, "homepage" can be set to "." to enable relative asset paths.
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77 | const shouldUseRelativeAssetPaths = publicPath === './';
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78 |
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79 | // `publicUrl` is just like `publicPath`, but we will provide it to our app
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80 | // as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
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81 | // Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
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82 | const publicUrl = isEnvProduction
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83 | ? publicPath.slice(0, -1)
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84 | : isEnvDevelopment && '';
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85 | // Get environment variables to inject into our app.
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86 | const env = getClientEnvironment(publicUrl);
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87 |
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88 | // common function to get style loaders
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89 | const getStyleLoaders = (cssOptions, preProcessor) => {
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90 | const loaders = [
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91 | isEnvDevelopment && require.resolve('style-loader'),
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92 | isEnvProduction && {
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93 | loader: MiniCssExtractPlugin.loader,
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94 | options: shouldUseRelativeAssetPaths ? { publicPath: '../../' } : {},
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95 | },
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96 | {
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97 | loader: require.resolve('css-loader'),
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98 | options: cssOptions,
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99 | },
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100 | {
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101 | // Options for PostCSS as we reference these options twice
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102 | // Adds vendor prefixing based on your specified browser support in
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103 | // package.json
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104 | loader: require.resolve('postcss-loader'),
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105 | options: {
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106 | // Necessary for external CSS imports to work
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107 | // https://github.com/facebook/create-react-app/issues/2677
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108 | ident: 'postcss',
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109 | plugins: () => [
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110 | require('postcss-flexbugs-fixes'),
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111 | require('postcss-preset-env')({
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112 | autoprefixer: {
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113 | flexbox: 'no-2009',
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114 | },
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115 | stage: 3,
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116 | }),
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117 | // Adds PostCSS Normalize as the reset css with default options,
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118 | // so that it honors browserslist config in package.json
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119 | // which in turn let's users customize the target behavior as per their needs.
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120 | postcssNormalize(),
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121 | ],
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122 | sourceMap: isEnvProduction && shouldUseSourceMap,
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123 | },
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124 | },
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125 | ].filter(Boolean);
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126 | if (preProcessor) {
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127 | loaders.push({
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128 | loader: require.resolve(preProcessor),
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129 | options: {
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130 | sourceMap: isEnvProduction && shouldUseSourceMap,
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131 | },
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132 | });
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133 | }
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134 | return loaders;
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135 | };
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136 |
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137 | return {
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138 | mode: isEnvProduction ? 'production' : isEnvDevelopment && 'development',
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139 | // Stop compilation early in production
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140 | bail: isEnvProduction,
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141 | devtool: isEnvProduction
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142 | ? shouldUseSourceMap
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143 | ? 'source-map'
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144 | : false
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145 | : isEnvDevelopment && 'cheap-module-source-map',
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146 | // These are the "entry points" to our application.
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147 | // This means they will be the "root" imports that are included in JS bundle.
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148 | entry: [
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149 | // Include an alternative client for WebpackDevServer. A client's job is to
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150 | // connect to WebpackDevServer by a socket and get notified about changes.
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151 | // When you save a file, the client will either apply hot updates (in case
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152 | // of CSS changes), or refresh the page (in case of JS changes). When you
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153 | // make a syntax error, this client will display a syntax error overlay.
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154 | // Note: instead of the default WebpackDevServer client, we use a custom one
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155 | // to bring better experience for Create React App users. You can replace
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156 | // the line below with these two lines if you prefer the stock client:
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157 | // require.resolve('webpack-dev-server/client') + '?/',
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158 | // require.resolve('webpack/hot/dev-server'),
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159 | isEnvDevelopment &&
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160 | require.resolve('react-dev-utils/webpackHotDevClient'),
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161 | // Finally, this is your app's code:
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162 | paths.appIndexJs,
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163 | // We include the app code last so that if there is a runtime error during
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164 | // initialization, it doesn't blow up the WebpackDevServer client, and
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165 | // changing JS code would still trigger a refresh.
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166 | ].filter(Boolean),
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167 | output: {
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168 | // The build folder.
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169 | path: isEnvProduction ? paths.appBuild : undefined,
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170 | // Add /* filename */ comments to generated require()s in the output.
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171 | pathinfo: isEnvDevelopment,
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172 | // There will be one main bundle, and one file per asynchronous chunk.
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173 | // In development, it does not produce real files.
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174 | filename: isEnvProduction
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175 | ? 'app/app.' + version + '.js'
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176 | : isEnvDevelopment && 'static/js/bundle.js',
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177 | // TODO: remove this when upgrading to webpack 5
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178 | futureEmitAssets: true,
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179 | // There are also additional JS chunk files if you use code splitting.
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180 | chunkFilename: isEnvProduction
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181 | ? 'app/[name].[chunkhash:8].js'
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182 | : isEnvDevelopment && 'static/js/[name].chunk.js',
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183 | // We inferred the "public path" (such as / or /my-project) from homepage.
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184 | // We use "/" in development.
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185 | publicPath: publicPath,
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186 | // Point sourcemap entries to original disk location (format as URL on Windows)
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187 | devtoolModuleFilenameTemplate: isEnvProduction
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188 | ? info =>
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189 | path
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190 | .relative(paths.appSrc, info.absoluteResourcePath)
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191 | .replace(/\\/g, '/')
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192 | : isEnvDevelopment &&
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193 | (info => path.resolve(info.absoluteResourcePath).replace(/\\/g, '/')),
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194 | },
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195 | optimization: {
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196 | minimize: isEnvProduction,
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197 | minimizer: [
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198 | // This is only used in production mode
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199 | new TerserPlugin({
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200 | terserOptions: {
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201 | parse: {
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202 | // we want terser to parse ecma 8 code. However, we don't want it
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203 | // to apply any minfication steps that turns valid ecma 5 code
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204 | // into invalid ecma 5 code. This is why the 'compress' and 'output'
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205 | // sections only apply transformations that are ecma 5 safe
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206 | // https://github.com/facebook/create-react-app/pull/4234
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207 | ecma: 8,
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208 | },
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209 | compress: {
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210 | ecma: 5,
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211 | warnings: false,
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212 | // Disabled because of an issue with Uglify breaking seemingly valid code:
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213 | // https://github.com/facebook/create-react-app/issues/2376
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214 | // Pending further investigation:
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215 | // https://github.com/mishoo/UglifyJS2/issues/2011
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216 | comparisons: false,
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217 | // Disabled because of an issue with Terser breaking valid code:
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218 | // https://github.com/facebook/create-react-app/issues/5250
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219 | // Pending futher investigation:
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220 | // https://github.com/terser-js/terser/issues/120
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221 | inline: 2,
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222 | },
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223 | mangle: {
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224 | safari10: true,
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225 | },
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226 | output: {
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227 | ecma: 5,
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228 | comments: false,
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229 | // Turned on because emoji and regex is not minified properly using default
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230 | // https://github.com/facebook/create-react-app/issues/2488
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231 | ascii_only: true,
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232 | },
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233 | },
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234 | // Use multi-process parallel running to improve the build speed
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235 | // Default number of concurrent runs: os.cpus().length - 1
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236 | // Disabled on WSL (Windows Subsystem for Linux) due to an issue with Terser
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237 | // https://github.com/webpack-contrib/terser-webpack-plugin/issues/21
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238 | parallel: !isWsl,
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239 | // Enable file caching
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240 | cache: true,
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241 | sourceMap: shouldUseSourceMap,
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242 | }),
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243 | // This is only used in production mode
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244 | new OptimizeCSSAssetsPlugin({
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245 | cssProcessorOptions: {
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246 | parser: safePostCssParser,
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247 | map: shouldUseSourceMap
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248 | ? {
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249 | // `inline: false` forces the sourcemap to be output into a
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250 | // separate file
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251 | inline: false,
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252 | // `annotation: true` appends the sourceMappingURL to the end of
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253 | // the css file, helping the browser find the sourcemap
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254 | annotation: true,
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255 | }
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256 | : false,
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257 | },
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258 | }),
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259 | ],
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260 | // Automatically split vendor and commons
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261 | // https://twitter.com/wSokra/status/969633336732905474
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262 | // https://medium.com/webpack/webpack-4-code-splitting-chunk-graph-and-the-splitchunks-optimization-be739a861366
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263 | splitChunks: {
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264 | //chunks: 'all',
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265 | //name: false,
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266 | cacheGroups: {
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267 | default: false,
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268 | vendors: false,
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269 | },
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270 | },
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271 | // Keep the runtime chunk separated to enable long term caching
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272 | // https://twitter.com/wSokra/status/969679223278505985
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273 | runtimeChunk: false,
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274 | },
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275 | resolve: {
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276 | // This allows you to set a fallback for where Webpack should look for modules.
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277 | // We placed these paths second because we want `node_modules` to "win"
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278 | // if there are any conflicts. This matches Node resolution mechanism.
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279 | // https://github.com/facebook/create-react-app/issues/253
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280 | modules: ['node_modules', paths.appNodeModules].concat(
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281 | modules.additionalModulePaths || []
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282 | ),
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283 | // These are the reasonable defaults supported by the Node ecosystem.
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284 | // We also include JSX as a common component filename extension to support
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285 | // some tools, although we do not recommend using it, see:
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286 | // https://github.com/facebook/create-react-app/issues/290
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287 | // `web` extension prefixes have been added for better support
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288 | // for React Native Web.
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289 | extensions: paths.moduleFileExtensions
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290 | .map(ext => `.${ext}`)
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291 | .filter(ext => useTypeScript || !ext.includes('ts')),
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292 | alias: {
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293 | // Support React Native Web
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294 | // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
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295 | 'react-native': 'react-native-web',
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296 | },
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297 | plugins: [
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298 | // Adds support for installing with Plug'n'Play, leading to faster installs and adding
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299 | // guards against forgotten dependencies and such.
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300 | PnpWebpackPlugin,
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301 | // Prevents users from importing files from outside of src/ (or node_modules/).
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302 | // This often causes confusion because we only process files within src/ with babel.
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303 | // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
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304 | // please link the files into your node_modules/ and let module-resolution kick in.
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305 | // Make sure your source files are compiled, as they will not be processed in any way.
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306 | new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
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307 | ],
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308 | },
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309 | resolveLoader: {
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310 | plugins: [
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311 | // Also related to Plug'n'Play, but this time it tells Webpack to load its loaders
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312 | // from the current package.
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313 | PnpWebpackPlugin.moduleLoader(module),
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314 | ],
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315 | },
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316 | module: {
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317 | strictExportPresence: true,
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318 | rules: [
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319 | // Disable require.ensure as it's not a standard language feature.
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320 | { parser: { requireEnsure: false } },
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321 |
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322 | // First, run the linter.
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323 | // It's important to do this before Babel processes the JS.
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324 | {
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325 | test: /\.(js|mjs|jsx|ts|tsx)$/,
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326 | enforce: 'pre',
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327 | use: [
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328 | {
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329 | options: {
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330 | formatter: require.resolve('react-dev-utils/eslintFormatter'),
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331 | eslintPath: require.resolve('eslint'),
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332 | // @remove-on-eject-begin
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333 | baseConfig: {
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334 | extends: [require.resolve('eslint-config-react-app')],
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335 | },
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336 | ignore: false,
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337 | useEslintrc: false,
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338 | // @remove-on-eject-end
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339 | },
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340 | loader: require.resolve('eslint-loader'),
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341 | },
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342 | ],
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343 | include: paths.appSrc,
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344 | },
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345 | {
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346 | // "oneOf" will traverse all following loaders until one will
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347 | // match the requirements. When no loader matches it will fall
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348 | // back to the "file" loader at the end of the loader list.
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349 | oneOf: [
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350 | // "url" loader works like "file" loader except that it embeds assets
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351 | // smaller than specified limit in bytes as data URLs to avoid requests.
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352 | // A missing `test` is equivalent to a match.
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353 | {
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354 | test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
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355 | loader: require.resolve('url-loader'),
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356 | options: {
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357 | limit: 10000,
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358 | name: 'static/media/[name].[hash:8].[ext]',
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359 | },
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360 | },
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361 | // Process application JS with Babel.
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362 | // The preset includes JSX, Flow, TypeScript, and some ESnext features.
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363 | {
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364 | test: /\.(js|mjs|jsx|ts|tsx)$/,
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365 | include: paths.appSrc,
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366 | loader: require.resolve('babel-loader'),
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367 | options: {
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368 | customize: require.resolve(
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369 | '@eglaost/babel-preset-react-app/webpack-overrides'
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370 | ),
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371 | // @remove-on-eject-begin
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372 | babelrc: false,
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373 | configFile: false,
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374 | presets: [require.resolve('@eglaost/babel-preset-react-app')],
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375 | // Make sure we have a unique cache identifier, erring on the
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376 | // side of caution.
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377 | // We remove this when the user ejects because the default
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378 | // is sane and uses Babel options. Instead of options, we use
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379 | // the react-scripts and babel-preset-react-app versions.
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380 | cacheIdentifier: getCacheIdentifier(
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381 | isEnvProduction
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382 | ? 'production'
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383 | : isEnvDevelopment && 'development',
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384 | [
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385 | 'babel-plugin-named-asset-import',
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386 | '@eglaost/babel-preset-react-app',
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387 | 'react-dev-utils',
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388 | 'react-scripts',
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389 | ]
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390 | ),
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391 | // @remove-on-eject-end
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392 | // plugins: [
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393 | // [
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394 | // require.resolve('babel-plugin-named-asset-import'),
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395 | // {
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396 | // loaderMap: {
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397 | // svg: {
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398 | // ReactComponent: '@svgr/webpack?-svgo,+ref![path]',
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399 | // },
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400 | // },
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401 | // },
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402 | // ],
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403 | // ],
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404 | // This is a feature of `babel-loader` for webpack (not Babel itself).
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405 | // It enables caching results in ./node_modules/.cache/babel-loader/
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406 | // directory for faster rebuilds.
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407 | cacheDirectory: true,
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408 | cacheCompression: isEnvProduction,
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409 | compact: isEnvProduction,
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410 | },
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411 | },
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412 | // Process any JS outside of the app with Babel.
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413 | // Unlike the application JS, we only compile the standard ES features.
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414 | {
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415 | test: /\.(js|mjs)$/,
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416 | exclude: /@babel(?:\/|\\{1,2})runtime/,
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417 | loader: require.resolve('babel-loader'),
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418 | options: {
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419 | babelrc: false,
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420 | configFile: false,
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421 | compact: false,
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422 | presets: [
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423 | [
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424 | require.resolve(
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425 | '@eglaost/babel-preset-react-app/dependencies'
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426 | ),
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427 | { helpers: true },
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428 | ],
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429 | ],
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430 | cacheDirectory: true,
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431 | cacheCompression: isEnvProduction,
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432 | // @remove-on-eject-begin
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433 | cacheIdentifier: getCacheIdentifier(
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434 | isEnvProduction
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435 | ? 'production'
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436 | : isEnvDevelopment && 'development',
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437 | [
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438 | 'babel-plugin-named-asset-import',
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439 | '@eglaost/babel-preset-react-app',
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440 | 'react-dev-utils',
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441 | 'react-scripts',
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442 | ]
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443 | ),
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444 | // @remove-on-eject-end
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445 | // If an error happens in a package, it's possible to be
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446 | // because it was compiled. Thus, we don't want the browser
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447 | // debugger to show the original code. Instead, the code
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448 | // being evaluated would be much more helpful.
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449 | sourceMaps: false,
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450 | },
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451 | },
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452 | // "postcss" loader applies autoprefixer to our CSS.
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453 | // "css" loader resolves paths in CSS and adds assets as dependencies.
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454 | // "style" loader turns CSS into JS modules that inject <style> tags.
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455 | // In production, we use MiniCSSExtractPlugin to extract that CSS
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456 | // to a file, but in development "style" loader enables hot editing
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457 | // of CSS.
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458 | // By default we support CSS Modules with the extension .module.css
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459 | {
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460 | test: cssRegex,
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461 | exclude: cssModuleRegex,
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462 | use: getStyleLoaders({
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463 | importLoaders: 1,
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464 | sourceMap: isEnvProduction && shouldUseSourceMap,
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465 | }),
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466 | // Don't consider CSS imports dead code even if the
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467 | // containing package claims to have no side effects.
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468 | // Remove this when webpack adds a warning or an error for this.
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469 | // See https://github.com/webpack/webpack/issues/6571
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470 | sideEffects: true,
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471 | },
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472 | // Adds support for CSS Modules (https://github.com/css-modules/css-modules)
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473 | // using the extension .module.css
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474 | {
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475 | test: cssModuleRegex,
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476 | use: getStyleLoaders({
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477 | importLoaders: 1,
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478 | sourceMap: isEnvProduction && shouldUseSourceMap,
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479 | modules: true,
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480 | getLocalIdent: getCSSModuleLocalIdent,
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481 | }),
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482 | },
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483 | // Opt-in support for SASS (using .scss or .sass extensions).
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484 | // By default we support SASS Modules with the
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485 | // extensions .module.scss or .module.sass
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486 | {
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487 | test: sassRegex,
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488 | exclude: sassModuleRegex,
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489 | use: getStyleLoaders(
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490 | {
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491 | importLoaders: 2,
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492 | sourceMap: isEnvProduction && shouldUseSourceMap,
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493 | },
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494 | 'sass-loader'
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495 | ),
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496 | // Don't consider CSS imports dead code even if the
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497 | // containing package claims to have no side effects.
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498 | // Remove this when webpack adds a warning or an error for this.
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499 | // See https://github.com/webpack/webpack/issues/6571
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500 | sideEffects: true,
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501 | },
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502 | // Adds support for CSS Modules, but using SASS
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503 | // using the extension .module.scss or .module.sass
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504 | {
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505 | test: sassModuleRegex,
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506 | use: getStyleLoaders(
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507 | {
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508 | importLoaders: 2,
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509 | sourceMap: isEnvProduction && shouldUseSourceMap,
|
510 | modules: true,
|
511 | getLocalIdent: getCSSModuleLocalIdent,
|
512 | },
|
513 | 'sass-loader'
|
514 | ),
|
515 | },
|
516 | {
|
517 | test: /\.svg$/,
|
518 | use: {
|
519 | loader: 'svg-sprite-loader',
|
520 | options: {
|
521 | extract: true,
|
522 | spriteFilename: isEnvProduction
|
523 | ? 'app/sprite.[hash:8].svg'
|
524 | : 'app/sprite.svg',
|
525 | symbolId: 'sprite-[name]',
|
526 | },
|
527 | },
|
528 | },
|
529 | // "file" loader makes sure those assets get served by WebpackDevServer.
|
530 | // When you `import` an asset, you get its (virtual) filename.
|
531 | // In production, they would get copied to the `build` folder.
|
532 | // This loader doesn't use a "test" so it will catch all modules
|
533 | // that fall through the other loaders.
|
534 | {
|
535 | loader: require.resolve('file-loader'),
|
536 | // Exclude `js` files to keep "css" loader working as it injects
|
537 | // its runtime that would otherwise be processed through "file" loader.
|
538 | // Also exclude `html` and `json` extensions so they get processed
|
539 | // by webpacks internal loaders.
|
540 | exclude: [/\.(js|mjs|jsx|ts|tsx)$/, /\.html$/, /\.json$/],
|
541 | options: {
|
542 | name: 'static/media/[name].[hash:8].[ext]',
|
543 | },
|
544 | },
|
545 | // ** STOP ** Are you adding a new loader?
|
546 | // Make sure to add the new loader(s) before the "file" loader.
|
547 | ],
|
548 | },
|
549 | ],
|
550 | },
|
551 | plugins: [
|
552 | new SpritePlugin({
|
553 | plainSprite: isEnvProduction,
|
554 | }),
|
555 | isEnvProduction && shouldRunAnalyzer && new BundleAnalyzerPlugin(),
|
556 | // Generates an `index.html` file with the <script> injected.
|
557 | new HtmlWebpackPlugin(
|
558 | Object.assign(
|
559 | {},
|
560 | {
|
561 | inject: true,
|
562 | template: paths.appHtml,
|
563 | },
|
564 | isEnvProduction
|
565 | ? {
|
566 | minify: {
|
567 | removeComments: true,
|
568 | collapseWhitespace: true,
|
569 | removeRedundantAttributes: true,
|
570 | useShortDoctype: true,
|
571 | removeEmptyAttributes: true,
|
572 | removeStyleLinkTypeAttributes: true,
|
573 | keepClosingSlash: true,
|
574 | minifyJS: true,
|
575 | minifyCSS: true,
|
576 | minifyURLs: true,
|
577 | },
|
578 | }
|
579 | : undefined
|
580 | )
|
581 | ),
|
582 | // Inlines the webpack runtime script. This script is too small to warrant
|
583 | // a network request.
|
584 | isEnvProduction &&
|
585 | shouldInlineRuntimeChunk &&
|
586 | new InlineChunkHtmlPlugin(HtmlWebpackPlugin, [/runtime~.+[.]js/]),
|
587 | // Makes some environment variables available in index.html.
|
588 | // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
|
589 | // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
|
590 | // In production, it will be an empty string unless you specify "homepage"
|
591 | // in `package.json`, in which case it will be the pathname of that URL.
|
592 | // In development, this will be an empty string.
|
593 | new InterpolateHtmlPlugin(HtmlWebpackPlugin, env.raw),
|
594 | // This gives some necessary context to module not found errors, such as
|
595 | // the requesting resource.
|
596 | new ModuleNotFoundPlugin(paths.appPath),
|
597 | // Makes some environment variables available to the JS code, for example:
|
598 | // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
|
599 | // It is absolutely essential that NODE_ENV is set to production
|
600 | // during a production build.
|
601 | // Otherwise React will be compiled in the very slow development mode.
|
602 | new webpack.DefinePlugin(env.stringified),
|
603 | // This is necessary to emit hot updates (currently CSS only):
|
604 | isEnvDevelopment && new webpack.HotModuleReplacementPlugin(),
|
605 | // Watcher doesn't work well if you mistype casing in a path so we use
|
606 | // a plugin that prints an error when you attempt to do this.
|
607 | // See https://github.com/facebook/create-react-app/issues/240
|
608 | isEnvDevelopment && new CaseSensitivePathsPlugin(),
|
609 | // If you require a missing module and then `npm install` it, you still have
|
610 | // to restart the development server for Webpack to discover it. This plugin
|
611 | // makes the discovery automatic so you don't have to restart.
|
612 | // See https://github.com/facebook/create-react-app/issues/186
|
613 | isEnvDevelopment &&
|
614 | new WatchMissingNodeModulesPlugin(paths.appNodeModules),
|
615 | isEnvProduction &&
|
616 | new MiniCssExtractPlugin({
|
617 | // Options similar to the same options in webpackOptions.output
|
618 | // both options are optional
|
619 | //filename: 'static/css/[name].[contenthash:8].css',
|
620 | //chunkFilename: 'static/css/[name].[contenthash:8].chunk.css',
|
621 | filename: 'css/app.' + version + '.css',
|
622 | chunkFilename: 'css/[name].[contenthash:8].css',
|
623 | }),
|
624 | // Generate a manifest file which contains a mapping of all asset filenames
|
625 | // to their corresponding output file so that tools can pick it up without
|
626 | // having to parse `index.html`.
|
627 | new ManifestPlugin({
|
628 | fileName: 'asset-manifest.json',
|
629 | publicPath: publicPath,
|
630 | generate: (seed, files) => {
|
631 | const manifestFiles = files.reduce(function(manifest, file) {
|
632 | manifest[file.name] = file.path;
|
633 | return manifest;
|
634 | }, seed);
|
635 |
|
636 | return {
|
637 | files: manifestFiles,
|
638 | };
|
639 | },
|
640 | }),
|
641 | // Moment.js is an extremely popular library that bundles large locale files
|
642 | // by default due to how Webpack interprets its code. This is a practical
|
643 | // solution that requires the user to opt into importing specific locales.
|
644 | // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
|
645 | // You can remove this if you don't use Moment.js:
|
646 | new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
|
647 | // Generate a service worker script that will precache, and keep up to date,
|
648 | // the HTML & assets that are part of the Webpack build.
|
649 | isEnvProduction &&
|
650 | new WorkboxWebpackPlugin.GenerateSW({
|
651 | clientsClaim: true,
|
652 | exclude: [/\.map$/, /asset-manifest\.json$/],
|
653 | importWorkboxFrom: 'cdn',
|
654 | navigateFallback: publicUrl + '/index.html',
|
655 | navigateFallbackBlacklist: [
|
656 | // Exclude URLs starting with /_, as they're likely an API call
|
657 | new RegExp('^/_'),
|
658 | // Exclude URLs containing a dot, as they're likely a resource in
|
659 | // public/ and not a SPA route
|
660 | new RegExp('/[^/]+\\.[^/]+$'),
|
661 | ],
|
662 | }),
|
663 | // TypeScript type checking
|
664 | useTypeScript &&
|
665 | new ForkTsCheckerWebpackPlugin({
|
666 | typescript: resolve.sync('typescript', {
|
667 | basedir: paths.appNodeModules,
|
668 | }),
|
669 | async: isEnvDevelopment,
|
670 | useTypescriptIncrementalApi: true,
|
671 | checkSyntacticErrors: true,
|
672 | resolveModuleNameModule: process.versions.pnp
|
673 | ? `${__dirname}/pnpTs.js`
|
674 | : undefined,
|
675 | resolveTypeReferenceDirectiveModule: process.versions.pnp
|
676 | ? `${__dirname}/pnpTs.js`
|
677 | : undefined,
|
678 | tsconfig: paths.appTsConfig,
|
679 | reportFiles: [
|
680 | '**',
|
681 | '!**/__tests__/**',
|
682 | '!**/?(*.)(spec|test).*',
|
683 | '!**/src/setupProxy.*',
|
684 | '!**/src/setupTests.*',
|
685 | ],
|
686 | watch: paths.appSrc,
|
687 | silent: true,
|
688 | // The formatter is invoked directly in WebpackDevServerUtils during development
|
689 | formatter: isEnvProduction ? typescriptFormatter : undefined,
|
690 | }),
|
691 | ].filter(Boolean),
|
692 | // Some libraries import Node modules but don't use them in the browser.
|
693 | // Tell Webpack to provide empty mocks for them so importing them works.
|
694 | node: {
|
695 | module: 'empty',
|
696 | dgram: 'empty',
|
697 | dns: 'mock',
|
698 | fs: 'empty',
|
699 | http2: 'empty',
|
700 | net: 'empty',
|
701 | tls: 'empty',
|
702 | child_process: 'empty',
|
703 | },
|
704 | // Turn off performance processing because we utilize
|
705 | // our own hints via the FileSizeReporter
|
706 | performance: false,
|
707 | };
|
708 | };
|