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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;
const OfflinePlugin = require('offline-plugin');
const { publicPath } = require('./configuration.js');
const path = require('path');
let compressionAlgorithm;
try {
const zopfli = require('node-zopfli');
compressionAlgorithm = (content, options, fn) => {
zopfli.gzip(content, options, fn);
};
} catch (error) {
compressionAlgorithm = 'gzip';
}
module.exports = merge(sharedConfig, {
output: {
filename: '[name]-[chunkhash].js',
chunkFilename: '[name]-[chunkhash].js',
},
devtool: 'source-map', // separate sourcemap file, suitable for production
stats: 'normal',
plugins: [
new webpack.optimize.UglifyJsPlugin({
sourceMap: true,
mangle: true,
compress: {
warnings: false,
},
output: {
comments: false,
},
}),
new CompressionPlugin({
asset: '[path].gz[query]',
algorithm: compressionAlgorithm,
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
}),
new OfflinePlugin({
publicPath: publicPath, // sw.js must be served from the root to avoid scope issues
caches: {
main: [':rest:'],
additional: [':externals:'],
optional: [
'**/locale_*.js', // don't fetch every locale; the user only needs one
'**/*_polyfills-*.js', // the user may not need polyfills
'**/*.woff2', // the user may have system-fonts enabled
// images/audio can be cached on-demand
'**/*.png',
'**/*.jpg',
'**/*.jpeg',
'**/*.svg',
'**/*.mp3',
'**/*.ogg',
],
},
externals: [
'/emoji/1f602.svg', // used for emoji picker dropdown
'/emoji/sheet.png', // used in emoji-mart
],
excludes: [
'**/*.gz',
'**/*.map',
'stats.json',
'report.html',
// any browser that supports ServiceWorker will support woff2
'**/*.eot',
'**/*.ttf',
'**/*-webfont-*.svg',
'**/*.woff',
],
ServiceWorker: {
entry: path.join(__dirname, '../../app/javascript/mastodon/service_worker/entry.js'),
cacheName: 'mastodon',
output: '../assets/sw.js',
publicPath: '/sw.js',
minify: true,
},
}),
],
});
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