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webpack.config.prod.js
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webpack.config.prod.js
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/**
* PRODUCTION WEBPACK CONFIGURATION
*/
const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const ManifestPlugin = require('webpack-manifest-plugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
.BundleAnalyzerPlugin;
module.exports = require('./webpack.config.base')({
// In production, we skip all hot-reloading stuff
entry: {
main: [],
embed: [],
},
babelPresetTargets: {
browsers: ['last 2 versions', 'IE >= 12'],
},
// Utilize long-term caching by adding content hashes (not compilation hashes) to compiled assets
output: {
filename: '[name].[chunkhash].js',
},
rules: [
{
// Extract css to seprate file. Run css url's trough file loader for hashing in prod build
test: /\.css$/,
use: ExtractTextPlugin.extract({
fallback: 'style-loader',
use: ['css-loader', 'postcss-loader'],
}),
},
],
vendorFilename: '[name].[chunkhash].js',
// Use hashes in prod to anbale caching
fileLoader: 'file-loader?name=[name]-[hash].[ext]',
plugins: [
new webpack.optimize.ModuleConcatenationPlugin(),
// Minify and optimize the JavaScript
new webpack.optimize.UglifyJsPlugin({
sourceMap: true,
compress: {
warnings: false, // ...but do not show warnings in the console (there is a lot of them)
screw_ie8: true, // drop IE 6-8 specific optimizations
},
}),
new BundleAnalyzerPlugin({
analyzerMode: 'static',
openAnalyzer: false,
reportFilename: 'bundle-analyzer-report.html',
}),
new ManifestPlugin({ fileName: 'assets.json' }),
// Extract the CSS into a separate file
new ExtractTextPlugin('[name].[contenthash].css'),
],
devtool: 'source-map',
});