JTL-Plugin-Template/frontend/webpack/webpack.config.js

const path = require('path');
const isProduction = process.env.NODE_ENV == 'production';
const stylesHandler = 'style-loader';

const config = {
    entry: './src/index.ts',
    output: {
        path: path.resolve(__dirname, '../js'),
    },
    plugins: [],
    module: {
        rules: [
            {
                test: /\.(ts|tsx)$/i,
                loader: 'ts-loader',
                exclude: ['/node_modules/'],
            },
            {
                test: /\.css$/i,
                include: path.resolve(__dirname, 'stylesheets'),
                use: ['style-loader', 'css-loader', 'postcss-loader'],
            },
            {
                test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
                type: 'asset',
            },
        ],
    },
    resolve: {
        extensions: ['.tsx', '.ts', '.jsx', '.js', '...'],
    },
};

module.exports = () => {
    if (isProduction) {
        config.mode = 'production';
    } else {
        config.mode = 'development';
    }
    return config;
};