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webpack.config.js
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webpack.config.js
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const path = require('path');
const Dotenv = require('dotenv-webpack');
const TerserPlugin = require('terser-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const PACKAGE = require('./package.json');
module.exports = {
entry: {
default: './src/js/main.js',
},
output: {
filename: `${PACKAGE.name}-${PACKAGE.version}.js`,
path: path.resolve(__dirname, 'dist'),
},
module: {
rules: [
{
test: /\.(js|jsx)$/,
exclude: /node_modules/,
use: {
loader: 'babel-loader',
options: {
cacheDirectory: './.babel-cache',
presets: [
// Note: to debug Babel, the cache has to be disabled or emptied
['@babel/preset-env', { useBuiltIns: 'usage', corejs: 3, debug: false }],
],
},
},
},
{
test: /\.(scss|css)$/,
exclude: /node_modules/,
use: [
{
loader: MiniCssExtractPlugin.loader,
options: {
publicPath: '',
},
},
{
loader: 'css-loader',
options: {
sourceMap: true,
},
},
{
loader: 'sass-loader',
options: {
sourceMap: true,
},
},
],
},
{
test: /\.(png|svg|jpg|jpeg|gif)$/i,
type: 'asset/resource',
},
],
},
optimization: {
minimize: true,
minimizer: [new TerserPlugin()],
},
plugins: [
new Dotenv(),
new MiniCssExtractPlugin({
filename: `${PACKAGE.name}-${PACKAGE.version}.css`,
}),
new HtmlWebpackPlugin({
template: path.resolve(__dirname, 'src/html/index.html'),
filename: path.resolve(__dirname, 'index.html'),
chunks: ['default'],
minify: true,
}),
new CleanWebpackPlugin({
// todo: temporary measure. Dev builds should be done without hashes in the filename.
cleanOnceBeforeBuildPatterns: ['**/*'],
}),
],
resolve: {
fallback: {
buffer: require.resolve('buffer/'),
},
},
// Todo: change the source map settings for production builds
devtool: 'source-map',
};