webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const webpack = require('webpack');
const dotenv = require('dotenv');
dotenv.config();
module.exports = {
    entry: './public/game.ts',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'bundle.js'
    },
    resolve: {
        extensions: ['.ts', '.js', '.tsx'],
    },
    //loader for css
    module: {
        rules: [
            {
                test: /\.css$/i,
                use: ['style-loader', 'css-loader']
            },
            {
                test: /\.ts$/,
                use: 'ts-loader',
                exclude: /node_modules/,
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({ template: './public/index.html' }),
        new webpack.DefinePlugin({
            'process.env.COLYSEUS_SERVER_URL': JSON.stringify(process.env.COLYSEUS_SERVER_URL),
            'process.env.PORT': JSON.stringify(process.env.PORT),
        })
    ],
    mode: 'production',
}