safe-react/config/webpack.config.prod.js

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/*eslint-disable*/
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
const autoprefixer = require('autoprefixer')
const cssmixins = require('postcss-mixins');
const cssvars = require('postcss-simple-vars')
const webpack = require('webpack')
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const UglifyJSPlugin = require('uglifyjs-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const ManifestPlugin = require('webpack-manifest-plugin')
const url = require('url')
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const paths = require('./paths')
const getClientEnvironment = require('./env')
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const cssvariables = require(`${paths.appSrc}/theme/variables`)
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const postcssPlugins = [
autoprefixer({
browsers: [
'>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9', // React doesn't support IE8 anyway
],
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}),
cssmixins,
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cssvars({
variables() {
return Object.assign({}, cssvariables)
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},
silent: true,
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}),
]
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function ensureSlash(path, needsSlash) {
const hasSlash = path.endsWith('/')
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if (hasSlash && !needsSlash) {
return path.substr(path, path.length - 1)
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} else if (!hasSlash && needsSlash) {
return `${path}/`
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}
return path
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}
// We use "homepage" field to infer "public path" at which the app is served.
// Webpack needs to know it to put the right <script> hrefs into HTML even in
// single-page apps that may serve index.html for nested URLs like /todos/42.
// We can't use a relative path in HTML because we don't want to load something
// like /todos/42/static/js/bundle.7289d.js. We have to know the root.
const homepagePath = require(paths.appPackageJson).homepage
// var homepagePathname = homepagePath ? url.parse(homepagePath).pathname : '/';
const homepagePathname = '/'
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// 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 = ensureSlash(homepagePathname, true)
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// `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_PATH%/xyz looks better than %PUBLIC_PATH%xyz.
const publicUrl = ensureSlash(homepagePathname, false)
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// Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl)
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// Assert this just to be safe.
// Development builds of React are slow and not intended for production.
if (env['process.env'].NODE_ENV !== '"production"') {
throw new Error('Production builds must have NODE_ENV=production.')
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}
// 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 = {
mode: 'production',
// Don't attempt to continue if there are any errors.
bail: true,
optimization: {
splitChunks: {
chunks: "all",
/* https://stackoverflow.com/questions/48985780/webpack-4-create-vendor-chunk
cacheGroups: {
vendor: {
test: /node_modules/,
name: 'vendor',
chunks: 'all',
enforce: true,
minSize: 1,
},
},
*/
},
},
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entry: [
require.resolve('./polyfills'),
paths.appIndexJs,
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],
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,
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},
resolve: {
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modules: [
paths.appSrc,
'node_modules',
paths.appContracts,
],
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// 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
extensions: ['.js', '.json', '.jsx'],
alias: {
'~': paths.appSrc,
'#': paths.appContracts,
},
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},
module: {
rules: [
{
test: /\.(js|jsx)$/,
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include: paths.appSrc,
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use: {
loader: 'babel-loader',
},
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},
{
test: /\.(scss|css)$/,
use: ExtractTextPlugin.extract({
fallback: 'style-loader',
use: [
{
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loader: 'css-loader',
options: {
importLoaders: 1,
modules: true,
minimize: true,
},
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},
{
loader: 'postcss-loader',
options: {
sourceMap: true,
plugins: postcssPlugins,
},
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},
],
}),
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},
{
test: /\.(jpe?g|png|svg)$/i,
exclude: /node_modules/,
use: [{
loader: "file-loader",
options: {
name: 'img/[hash].[ext]'
}
}]
},
],
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},
plugins: [
// 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,
},
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}),
// 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),
// Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
new ExtractTextPlugin({
filename: 'static/css/[name].[contenthash:8].css',
allChunks: true
}),
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// 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',
}),
// new BundleAnalyzerPlugin()
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],
// 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: {
fs: 'empty',
net: 'empty',
tls: 'empty',
},
}