345 lines
15 KiB
JavaScript
345 lines
15 KiB
JavaScript
'use strict';
|
|
|
|
const autoprefixer = require('autoprefixer');
|
|
const path = require('path');
|
|
const webpack = require('webpack');
|
|
const HtmlWebpackPlugin = require('html-webpack-plugin');
|
|
const ExtractTextPlugin = require('extract-text-webpack-plugin');
|
|
const ManifestPlugin = require('webpack-manifest-plugin');
|
|
const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
|
|
const SWPrecacheWebpackPlugin = require('sw-precache-webpack-plugin');
|
|
const eslintFormatter = require('react-dev-utils/eslintFormatter');
|
|
const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
|
|
const paths = require('./paths');
|
|
const getClientEnvironment = require('./env');
|
|
|
|
// Webpack uses `publicPath` to determine where the app is being served from.
|
|
// It requires a trailing slash, or the file assets will get an incorrect path.
|
|
const publicPath = paths.servedPath;
|
|
// Some apps do not use client-side routing with pushState.
|
|
// For these, "homepage" can be set to "." to enable relative asset paths.
|
|
const shouldUseRelativeAssetPaths = publicPath === './';
|
|
// Source maps are resource heavy and can cause out of memory issue for large source files.
|
|
const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
|
|
// `publicUrl` is just like `publicPath`, but we will provide it to our app
|
|
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
|
|
// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
|
|
const publicUrl = publicPath.slice(0, -1);
|
|
// Get environment variables to inject into our app.
|
|
const env = getClientEnvironment(publicUrl);
|
|
|
|
// Assert this just to be safe.
|
|
// Development builds of React are slow and not intended for production.
|
|
if (env.stringified['process.env'].NODE_ENV !== '"production"') {
|
|
throw new Error('Production builds must have NODE_ENV=production.');
|
|
}
|
|
|
|
// Note: defined here because it will be used more than once.
|
|
const cssFilename = 'static/css/[name].[contenthash:8].css';
|
|
|
|
// ExtractTextPlugin expects the build output to be flat.
|
|
// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
|
|
// However, our output is structured with css, js and media folders.
|
|
// To have this structure working with relative paths, we have to use custom options.
|
|
const extractTextPluginOptions = shouldUseRelativeAssetPaths
|
|
? // Making sure that the publicPath goes back to to build folder.
|
|
{ publicPath: Array(cssFilename.split('/').length).join('../') }
|
|
: {};
|
|
|
|
// This is the production configuration.
|
|
// It compiles slowly and is focused on producing a fast and minimal bundle.
|
|
// The development configuration is different and lives in a separate file.
|
|
module.exports = {
|
|
// Don't attempt to continue if there are any errors.
|
|
bail: true,
|
|
// We generate sourcemaps in production. This is slow but gives good results.
|
|
// You can exclude the *.map files from the build during deployment.
|
|
devtool: shouldUseSourceMap ? 'source-map' : false,
|
|
// In production, we only want to load the polyfills and the app code.
|
|
entry: [require.resolve('./polyfills'), paths.appIndexJs],
|
|
output: {
|
|
// The build folder.
|
|
path: paths.appBuild,
|
|
// Generated JS file names (with nested folders).
|
|
// There will be one main bundle, and one file per asynchronous chunk.
|
|
// We don't currently advertise code splitting but Webpack supports it.
|
|
filename: 'static/js/[name].[chunkhash:8].js',
|
|
chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
|
|
// We inferred the "public path" (such as / or /my-project) from homepage.
|
|
publicPath: publicPath,
|
|
// Point sourcemap entries to original disk location (format as URL on Windows)
|
|
devtoolModuleFilenameTemplate: info =>
|
|
path
|
|
.relative(paths.appSrc, info.absoluteResourcePath)
|
|
.replace(/\\/g, '/'),
|
|
},
|
|
resolve: {
|
|
// This allows you to set a fallback for where Webpack should look for modules.
|
|
// We placed these paths second because we want `node_modules` to "win"
|
|
// if there are any conflicts. This matches Node resolution mechanism.
|
|
// https://github.com/facebookincubator/create-react-app/issues/253
|
|
modules: ['node_modules', paths.appNodeModules].concat(
|
|
// It is guaranteed to exist because we tweak it in `env.js`
|
|
process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
|
|
),
|
|
// These are the reasonable defaults supported by the Node ecosystem.
|
|
// We also include JSX as a common component filename extension to support
|
|
// some tools, although we do not recommend using it, see:
|
|
// https://github.com/facebookincubator/create-react-app/issues/290
|
|
// `web` extension prefixes have been added for better support
|
|
// for React Native Web.
|
|
extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
|
|
alias: {
|
|
|
|
// Support React Native Web
|
|
// https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
|
|
'react-native': 'react-native-web',
|
|
},
|
|
plugins: [
|
|
// Prevents users from importing files from outside of src/ (or node_modules/).
|
|
// This often causes confusion because we only process files within src/ with babel.
|
|
// To fix this, we prevent you from importing files out of src/ -- if you'd like to,
|
|
// please link the files into your node_modules/ and let module-resolution kick in.
|
|
// Make sure your source files are compiled, as they will not be processed in any way.
|
|
new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
|
|
],
|
|
},
|
|
module: {
|
|
strictExportPresence: true,
|
|
rules: [
|
|
// TODO: Disable require.ensure as it's not a standard language feature.
|
|
// We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
|
|
// { parser: { requireEnsure: false } },
|
|
|
|
// First, run the linter.
|
|
// It's important to do this before Babel processes the JS.
|
|
{
|
|
test: /\.(js|jsx|mjs)$/,
|
|
enforce: 'pre',
|
|
use: [
|
|
{
|
|
options: {
|
|
formatter: eslintFormatter,
|
|
eslintPath: require.resolve('eslint'),
|
|
|
|
},
|
|
loader: require.resolve('eslint-loader'),
|
|
},
|
|
],
|
|
include: paths.appSrc,
|
|
},
|
|
{
|
|
// "oneOf" will traverse all following loaders until one will
|
|
// match the requirements. When no loader matches it will fall
|
|
// back to the "file" loader at the end of the loader list.
|
|
oneOf: [
|
|
// "url" loader works just like "file" loader but it also embeds
|
|
// assets smaller than specified size as data URLs to avoid requests.
|
|
{
|
|
test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
|
|
loader: require.resolve('url-loader'),
|
|
options: {
|
|
limit: 10000,
|
|
name: 'static/media/[name].[hash:8].[ext]',
|
|
},
|
|
},
|
|
// Process JS with Babel.
|
|
{
|
|
test: /\.(js|jsx|mjs)$/,
|
|
include: paths.appSrc,
|
|
loader: require.resolve('babel-loader'),
|
|
options: {
|
|
|
|
compact: true,
|
|
},
|
|
},
|
|
// The notation here is somewhat confusing.
|
|
// "postcss" loader applies autoprefixer to our CSS.
|
|
// "css" loader resolves paths in CSS and adds assets as dependencies.
|
|
// "style" loader normally turns CSS into JS modules injecting <style>,
|
|
// but unlike in development configuration, we do something different.
|
|
// `ExtractTextPlugin` first applies the "postcss" and "css" loaders
|
|
// (second argument), then grabs the result CSS and puts it into a
|
|
// separate file in our build process. This way we actually ship
|
|
// a single CSS file in production instead of JS code injecting <style>
|
|
// tags. If you use code splitting, however, any async bundles will still
|
|
// use the "style" loader inside the async code so CSS from them won't be
|
|
// in the main CSS file.
|
|
{
|
|
test: /\.css$/,
|
|
loader: ExtractTextPlugin.extract(
|
|
Object.assign(
|
|
{
|
|
fallback: {
|
|
loader: require.resolve('style-loader'),
|
|
options: {
|
|
hmr: false,
|
|
},
|
|
},
|
|
use: [
|
|
{
|
|
loader: require.resolve('css-loader'),
|
|
options: {
|
|
importLoaders: 1,
|
|
minimize: true,
|
|
sourceMap: shouldUseSourceMap,
|
|
modules: true,
|
|
localIdentName: '[name]__[local]__[hash:base64:5]',
|
|
},
|
|
},
|
|
{
|
|
loader: require.resolve('postcss-loader'),
|
|
options: {
|
|
// Necessary for external CSS imports to work
|
|
// https://github.com/facebookincubator/create-react-app/issues/2677
|
|
ident: 'postcss',
|
|
plugins: () => [
|
|
require('postcss-flexbugs-fixes'),
|
|
autoprefixer({
|
|
browsers: [
|
|
'>1%',
|
|
'last 4 versions',
|
|
'Firefox ESR',
|
|
'not ie < 9', // React doesn't support IE8 anyway
|
|
],
|
|
flexbox: 'no-2009',
|
|
}),
|
|
],
|
|
},
|
|
},
|
|
],
|
|
},
|
|
extractTextPluginOptions
|
|
)
|
|
),
|
|
// Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
|
|
},
|
|
// "file" loader makes sure assets end up in the `build` folder.
|
|
// When you `import` an asset, you get its filename.
|
|
// This loader doesn't use a "test" so it will catch all modules
|
|
// that fall through the other loaders.
|
|
{
|
|
loader: require.resolve('file-loader'),
|
|
// Exclude `js` files to keep "css" loader working as it injects
|
|
// it's runtime that would otherwise processed through "file" loader.
|
|
// Also exclude `html` and `json` extensions so they get processed
|
|
// by webpacks internal loaders.
|
|
exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
|
|
options: {
|
|
name: 'static/media/[name].[hash:8].[ext]',
|
|
},
|
|
},
|
|
// ** STOP ** Are you adding a new loader?
|
|
// Make sure to add the new loader(s) before the "file" loader.
|
|
],
|
|
},
|
|
],
|
|
},
|
|
plugins: [
|
|
// Makes some environment variables available in index.html.
|
|
// The public URL is available as %PUBLIC_URL% in index.html, e.g.:
|
|
// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
|
|
// In production, it will be an empty string unless you specify "homepage"
|
|
// in `package.json`, in which case it will be the pathname of that URL.
|
|
new InterpolateHtmlPlugin(env.raw),
|
|
// Generates an `index.html` file with the <script> injected.
|
|
new HtmlWebpackPlugin({
|
|
inject: true,
|
|
template: paths.appHtml,
|
|
minify: {
|
|
removeComments: true,
|
|
collapseWhitespace: true,
|
|
removeRedundantAttributes: true,
|
|
useShortDoctype: true,
|
|
removeEmptyAttributes: true,
|
|
removeStyleLinkTypeAttributes: true,
|
|
keepClosingSlash: true,
|
|
minifyJS: true,
|
|
minifyCSS: true,
|
|
minifyURLs: true,
|
|
},
|
|
}),
|
|
// Makes some environment variables available to the JS code, for example:
|
|
// if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
|
|
// It is absolutely essential that NODE_ENV was set to production here.
|
|
// Otherwise React will be compiled in the very slow development mode.
|
|
new webpack.DefinePlugin(env.stringified),
|
|
// Minify the code.
|
|
new webpack.optimize.UglifyJsPlugin({
|
|
compress: {
|
|
warnings: false,
|
|
// Disabled because of an issue with Uglify breaking seemingly valid code:
|
|
// https://github.com/facebookincubator/create-react-app/issues/2376
|
|
// Pending further investigation:
|
|
// https://github.com/mishoo/UglifyJS2/issues/2011
|
|
comparisons: false,
|
|
},
|
|
mangle: {
|
|
safari10: true,
|
|
},
|
|
output: {
|
|
comments: false,
|
|
// Turned on because emoji and regex is not minified properly using default
|
|
// https://github.com/facebookincubator/create-react-app/issues/2488
|
|
ascii_only: true,
|
|
},
|
|
sourceMap: shouldUseSourceMap,
|
|
}),
|
|
// Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
|
|
new ExtractTextPlugin({
|
|
filename: cssFilename,
|
|
}),
|
|
// Generate a manifest file which contains a mapping of all asset filenames
|
|
// to their corresponding output file so that tools can pick it up without
|
|
// having to parse `index.html`.
|
|
new ManifestPlugin({
|
|
fileName: 'asset-manifest.json',
|
|
}),
|
|
// Generate a service worker script that will precache, and keep up to date,
|
|
// the HTML & assets that are part of the Webpack build.
|
|
new SWPrecacheWebpackPlugin({
|
|
// By default, a cache-busting query parameter is appended to requests
|
|
// used to populate the caches, to ensure the responses are fresh.
|
|
// If a URL is already hashed by Webpack, then there is no concern
|
|
// about it being stale, and the cache-busting can be skipped.
|
|
dontCacheBustUrlsMatching: /\.\w{8}\./,
|
|
filename: 'service-worker.js',
|
|
logger(message) {
|
|
if (message.indexOf('Total precache size is') === 0) {
|
|
// This message occurs for every build and is a bit too noisy.
|
|
return;
|
|
}
|
|
if (message.indexOf('Skipping static resource') === 0) {
|
|
// This message obscures real errors so we ignore it.
|
|
// https://github.com/facebookincubator/create-react-app/issues/2612
|
|
return;
|
|
}
|
|
console.log(message);
|
|
},
|
|
minify: true,
|
|
// For unknown URLs, fallback to the index page
|
|
navigateFallback: publicUrl + '/index.html',
|
|
// Ignores URLs starting from /__ (useful for Firebase):
|
|
// https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
|
|
navigateFallbackWhitelist: [/^(?!\/__).*/],
|
|
// Don't precache sourcemaps (they're large) and build asset manifest:
|
|
staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
|
|
}),
|
|
// Moment.js is an extremely popular library that bundles large locale files
|
|
// by default due to how Webpack interprets its code. This is a practical
|
|
// solution that requires the user to opt into importing specific locales.
|
|
// https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
|
|
// You can remove this if you don't use Moment.js:
|
|
new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
|
|
],
|
|
// Some libraries import Node modules but don't use them in the browser.
|
|
// Tell Webpack to provide empty mocks for them so importing them works.
|
|
node: {
|
|
dgram: 'empty',
|
|
fs: 'empty',
|
|
net: 'empty',
|
|
tls: 'empty',
|
|
child_process: 'empty',
|
|
},
|
|
};
|