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webpack.prod.js
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webpack.prod.js
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const webpack = require('webpack');
const merge = require('webpack-merge');
const common = require('./webpack.common.js');
const BundleTracker = require('webpack-bundle-tracker');
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
module.exports = merge(common, {
plugins: [
// Todo: Update plugin when deprecation is updated
new BundleTracker({path: __dirname, filename: 'webpack-stats.json'}),
// delete all files in build dir automatically
new CleanWebpackPlugin(['build/dist/']),
// make sure React strips out debug junk
// Note: NODE_ENV=production in sh env doesn't trigger this
// see https://github.com/webpack/webpack/issues/2537
new webpack.DefinePlugin({
'process.env': {
'NODE_ENV': JSON.stringify('production')
}
})
],
optimization: {
minimizer: [
new UglifyJSPlugin({
uglifyOptions: {
ecma: 5,
output: {
comments: false
},
compress: {
dead_code: true,
drop_console: true
}
},
sourceMap: false,
})
],
},
});