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

237 lines
7.4 KiB
JavaScript

/*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")
const TerserPlugin = require("terser-webpack-plugin")
const HtmlWebpackPlugin = require("html-webpack-plugin")
const ExtractTextPlugin = require("extract-text-webpack-plugin")
const ManifestPlugin = require("webpack-manifest-plugin")
const MiniCssExtractPlugin = require("mini-css-extract-plugin")
const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin")
const url = require("url")
const paths = require("./paths")
const getClientEnvironment = require("./env")
const cssvariables = require(`${paths.appSrc}/theme/variables`)
const postcssPlugins = [
autoprefixer({
overrideBrowserslist: [
">1%",
"last 4 versions",
"Firefox ESR",
"not ie < 9" // React doesn't support IE8 anyway
]
}),
cssmixins,
cssvars({
variables() {
return Object.assign({}, cssvariables)
},
silent: true
})
]
function ensureSlash(path, needsSlash) {
const hasSlash = path.endsWith("/")
if (hasSlash && !needsSlash) {
return path.substr(path, path.length - 1)
} else if (!hasSlash && needsSlash) {
return `${path}/`
}
return path
}
// 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 buildDesktop = process.env.BUILD_FOR_DESKTOP
const homepagePath = require(paths.appPackageJson).homepage
// var homepagePathname = homepagePath ? url.parse(homepagePath).pathname : '/';
const homepagePathname = buildDesktop === 'true' ? "./" : "/app/"
// 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)
// `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)
// 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["process.env"].NODE_ENV !== '"production"') {
throw new Error("Production builds must have NODE_ENV=production.")
}
// 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,
},
},
*/
},
minimize: true,
minimizer: [
new TerserPlugin({
terserOptions: {
parse: {
ecma: 8
},
compress: {
ecma: 5,
warnings: false,
comparisons: false,
inline: 2,
},
mangle: {
safari10: true
},
output: {
ecma: 5,
comments: false,
ascii_only: true
}
}
}),
new OptimizeCSSAssetsPlugin({})
]
},
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
},
resolve: {
modules: [paths.appSrc, "node_modules", paths.appContracts],
// 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
}
},
module: {
rules: [
{
test: /\.(js|jsx)$/,
include: paths.appSrc,
use: {
loader: "babel-loader"
}
},
{
test: /\.(scss|css)$/,
use: [
MiniCssExtractPlugin.loader,
{
loader: "css-loader",
options: {
importLoaders: 1,
modules: true
}
},
{
loader: "postcss-loader",
options: {
sourceMap: true,
plugins: postcssPlugins
}
}
]
},
{ test: /\.(woff|woff2)$/, loader: "url-loader?limit=100000" },
{
test: /\.(jpe?g|png|svg)$/i,
exclude: /node_modules/,
use: [
{
loader: "file-loader",
options: {
name: "img/[hash].[ext]",
esModule: false
}
}
]
}
]
},
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
}
}),
// 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),
new MiniCssExtractPlugin({
filename: "static/css/[name].[hash:8].css",
allChunks: "static/css/[id].[hash:8].css"
}),
// 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()
],
// 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"
}
}