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webpack.config.js
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webpack.config.js
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const path = require('path');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const webpack = require('webpack');
const TerserPlugin = require('terser-webpack-plugin');
const OptimizeCss = require('optimize-css-assets-webpack-plugin');
module.exports = {
entry: {
app: './ui/index.js'
},
optimization: {
splitChunks: {
cacheGroups: {
styles: {
name: 'styles',
test: /\.css$/,
chunks: 'all',
enforce: true
}
}
},
minimizer: [
new TerserPlugin({
parallel: true,
terserOptions: {
ecma: 6
}
}),
new OptimizeCss({
cssProcessorOptions: {
discardComments: true
}
})
]
},
devServer: {
hot: true,
compress: true,
contentBase: path.join(__dirname, 'dist'),
open: 'Chrome'
},
watch: true,
devtool: 'source-map',
output: {
filename: '[name].bundle.js',
path: path.resolve(__dirname, 'dist/js')
},
plugins: [
new CleanWebpackPlugin(['dist']),
new MiniCssExtractPlugin({
filename: '../css/style.css',
chunkFilename: "[name].css"
}),
new webpack.HotModuleReplacementPlugin(),
new HtmlWebpackPlugin({
template: './index.html'
})
],
module: {
rules: [
{
test: /\.scss$/,
use: [
MiniCssExtractPlugin.loader,
{
loader: "css-loader"
},
"sass-loader"
]
},
{
test: /\.js$/,
exclude: /node_modules/,
use: ['babel-loader']
}
]
},
resolve: {
extensions: [
'.js',
'.scss'
]
}
}