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webpack.prod.js
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webpack.prod.js
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const path = require('path');
const {merge} = require('webpack-merge');
const common = require('./webpack.common');
const WorkboxWebpackPlugin = require('workbox-webpack-plugin');
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
module.exports = merge(common, {
mode: 'production',
devtool: 'source-map',
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: [
{
loader: 'babel-loader',
options: {
presets: ['@babel/preset-env']
}
}
]
}
]
},
plugins: [
new WorkboxWebpackPlugin.InjectManifest({
swSrc: path.resolve(__dirname, 'src/scripts/sw.js'),
swDest: './sw.bundle.js'
})
],
optimization: {
minimize: true,
splitChunks: {
chunks: 'all',
minSize: 10000,
maxSize: 90000,
minChunks: 1,
maxAsyncRequests: 30,
maxInitialRequests: 30,
automaticNameDelimiter: '~',
enforceSizeThreshold: 50000,
cacheGroups: {
defaultVendors: {
test: /[\\/]node_modules[\\/]/,
priority: -10
},
default: {
minChunks: 2,
priority: -20,
reuseExistingChunk: true
}
}
},
minimizer: [
new CssMinimizerPlugin()
]
}
});