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const fs = require('fs');
const path = require('path');
const WebpackBeforeBuildPlugin = require('before-build-webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const { SubresourceIntegrityPlugin } = require('webpack-subresource-integrity');
const currentNodeEnv = process.env.NODE_ENV || 'development';
const devMode = currentNodeEnv !== 'production';
const outputPath = path.resolve(__dirname, 'build/webpack', currentNodeEnv);
const portNumberOrElse = (envName, fallback) => {
const value = process.env[envName];
return value ? parseInt(value) : fallback;
}
const listenHost = process.env['LISTEN_HOST'] || 'localhost';
const listenPort = portNumberOrElse('LISTEN_PORT', 1313);
const apiHost = process.env['API_HOST'] || listenHost;
const apiPort = portNumberOrElse('API_PORT', 1312);
const publicHost = process.env['PUBLIC_HOST'] || listenHost;
const publicPort = portNumberOrElse('PUBLIC_PORT', listenPort);
module.exports = {
mode: devMode ? 'development' : 'production',
entry: './src/main/js',
output: {
path: outputPath,
publicPath: '/',
filename: devMode ? '[name].js' : '[contenthash].js',
chunkFilename: devMode ? '[id].js' : '[contenthash].js',
crossOriginLoading: 'anonymous',
},
module: {
rules: [
{
test: /\.jsx?$/i,
include: [path.resolve(__dirname, 'src/main/js')],
exclude: [path.resolve(__dirname, 'src/main/js/xtext')],
loader: 'babel-loader',
options: {
presets: [
['@babel/preset-env', { targets: 'defaults' }],
'@babel/preset-react',
],
},
},
{
test: /\.scss$/i,
use: [
devMode ? 'style-loader' : MiniCssExtractPlugin.loader,
'css-loader',
{
loader: 'sass-loader',
options: {
implementation: require.resolve('sass'),
},
},
]
},
{
test: /\.(gif|png|jpe?g|svg)$/i,
use: [
'file-loader',
{
loader: 'image-webpack-loader',
options: {
disable: true,
}
},
],
},
],
},
resolve: {
modules: [
'node_modules',
path.resolve(__dirname, 'src/main/js'),
path.resolve(__dirname, 'build/generated/sources/xtext/js'),
],
extensions: ['.js', '.jsx'],
alias: {
images: path.resolve(__dirname, 'src/main/images'),
},
},
devtool: devMode ? 'inline-source-map' : 'source-map',
optimization: {
splitChunks: {
chunks: 'all',
},
},
devServer: {
contentBase: outputPath,
compress: true,
host: listenHost,
port: listenPort,
proxy: {
'/xtext-service': `${apiPort === 443 ? 'https' : 'http'}://${apiHost}:${apiPort}`,
},
public: `${publicHost}:${publicPort}`,
sockHost: publicHost,
sockPort: publicPort,
},
plugins: [
new MiniCssExtractPlugin({
filename: '[contenthash].css',
chunkFilename: '[contenthash].css',
}),
new SubresourceIntegrityPlugin(),
new HtmlWebpackPlugin({
template: 'src/main/html/index.html',
minify: devMode ? false : {
collapseWhitespace: true,
removeComments: true,
removeOptionalTags: true,
removeRedundantAttributes: true,
removeScriptTypeAttributes: true,
removeStyleLinkTypeAttributes: true,
useShortDoctype: true,
},
}),
new WebpackBeforeBuildPlugin((stats, callback) => {
// https://stackoverflow.com/a/40370750
const newlyCreatedAssets = stats.compilation.assets;
const unlinked = [];
fs.readdir(outputPath, (err, files) => {
files.forEach(file => {
if (!newlyCreatedAssets[file]) {
fs.unlinkSync(path.resolve(outputPath, file));
unlinked.push(file);
}
});
if (unlinked.length > 0) {
console.log('Removed old assets: ', unlinked);
}
});
callback();
}, ['done']),
],
};
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