webpack.config.js

const path = require('path');

const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const sveltePreprocess = require('svelte-preprocess');

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

const DefinePlugin = require('webpack').DefinePlugin;
const packageJson = require('./package.json');
const appDeps = ['node', 'npm', ...Object.keys(packageJson.dependencies), ...Object.keys(packageJson.devDependencies)].sort();
const appVersion = packageJson.version;

module.exports = {
    entry: {
        main: ['./src/main.ts'],
    },
    resolve: {
        alias: {
            svelte: path.dirname(require.resolve('svelte/package.json')),
        },
        extensions: ['.mjs', '.js', '.ts', '.svelte'],
        mainFields: ['svelte', 'browser', 'module', 'main'],
    },
    output: {
        path: path.join(__dirname, 'dist'),
        filename: '[name]-[contenthash].js',
    },
    module: {
        rules: [
            {
                test: /\.ts$/,
                loader: 'ts-loader',
                exclude: /node_modules/,
            },
            {
                test: /\.svelte$/,
                use: {
                    loader: 'svelte-loader',
                    options: {
                        compilerOptions: {
                            dev: !prod
                        },
                        emitCss: prod,
                        hotReload: !prod,
                        preprocess: sveltePreprocess({ sourceMap: !prod }),
                    },
                },
            },
            {
                test: /\.css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader',
                ],
            },
            {
                test: /\.shader/,
                type: 'asset/source',
            },
        ],
    },
    mode,
    plugins: [
        new DefinePlugin({
            'window.appDeps': JSON.stringify(appDeps),
            'window.appVersion': JSON.stringify(appVersion),
        }),
        new HtmlWebpackPlugin({
            template: './index.html',
            filename: 'index.html',
            inject: true,
        }),
        new MiniCssExtractPlugin({
            filename: '[name]-[contenthash].css',
        }),
    ],
    devtool: prod ? false : 'source-map',
    devServer: {
        hot: true,
        host: '0.0.0.0',
        port: 3000,
        historyApiFallback: true,
    },
};