webpack.config.js

const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const path = require('path');

const mode = process.env.NODE_ENV || 'development';
const prod = mode === 'production';

module.exports = {
    entry: './src/code.ts',
    devtool: prod ? false : 'inline-source-map',
    resolve: {
        alias: {
            svelte: path.resolve('node_modules', 'svelte')
        },
        extensions: ['.tsx', '.ts', '.js', '.svelte'],
        mainFields: ['svelte', 'browser', 'module', 'main']
    },
    module: {
        rules: [
            {
                test: /\.tsx?$/,
                use: 'ts-loader',
                exclude: /node_modules/,
            },
            {
                test: /\.svelte$/,
                use: {
                    loader: 'svelte-loader',
                    options: {
                        emitCss: true,
                        hotReload: true
                    }
                },
                exclude: /node_modules/
            },
            {
                test: /\.css$/,
                use: [
					/**
					 * MiniCssExtractPlugin doesn't support HMR.
					 * For developing, use 'style-loader' instead.
					 * */
                    prod ? MiniCssExtractPlugin.loader : 'style-loader',
                    'css-loader'
                ]
            }
        ],
    },
    output: {
        filename: 'code.js',
        path: path.resolve(__dirname, 'public'),
    },
    mode,
    plugins: [
        new MiniCssExtractPlugin({
            filename: '[name].css'
        })
    ],
};