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// Note: You must restart bin/webpack-dev-server for changes to take effect
const webpack = require('webpack');
const merge = require('webpack-merge');
const CompressionPlugin = require('compression-webpack-plugin');
const sharedConfig = require('./shared.js');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
module.exports = merge(sharedConfig, {
output: { filename: '[name]-[chunkhash].js' },
devtool: 'source-map', // separate sourcemap file, suitable for production
stats: 'normal',
plugins: [
new webpack.optimize.ModuleConcatenationPlugin(),
new webpack.optimize.UglifyJsPlugin({
sourceMap: true,
mangle: true,
compress: {
warnings: false,
},
output: {
comments: false,
},
}),
new CompressionPlugin({
asset: '[path].gz[query]',
algorithm: 'gzip',
test: /\.(js|css|html|json|ico|svg|eot|otf|ttf)$/,
}),
new BundleAnalyzerPlugin({ // generates report.html and stats.json
analyzerMode: 'static',
generateStatsFile: true,
statsOptions: {
// allows usage with http://chrisbateman.github.io/webpack-visualizer/
chunkModules: true,
},
openAnalyzer: false,
logLevel: 'silent', // do not bother Webpacker, who runs with --json and parses stdout
}),
],
});
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