const path = require('path');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const CompressionPlugin = require('compression-webpack-plugin');


module.exports = {
    entry: {
        app: path.join(__dirname, 'src', 'index.tsx')
    },
    target: 'web',
    resolve: {
        extensions: ['.ts', '.tsx', '.js', '.jsx']
    },
    output: {
        filename: '[name].bundle.js',
        path: path.resolve(__dirname, 'dist')
    },
    module: {
        rules: [{
            test: /\.tsx?$/,
            use: 'ts-loader',
            exclude: '/node_modules/'
        },
        {
            test: /\.(png|jpe?g|gif|svg)$/,
            use: [{
                loader: 'file-loader',
                options: {
                    esModule: false,
                }
            }]
        },
        ]
    },
    optimization: {
        usedExports: true,
        splitChunks: {
            cacheGroups: {
                vendors: {
                    test: /node_modules\/(?!antd\/).*/,
                    name: "vendors",
                    chunks: "all",
                },
                // This can be your own design library.
                antd: {
                    test: /node_modules\/(antd\/).*/,
                    name: "antd",
                    chunks: "all",
                },
            },
        }
    },
    plugins: [
        new CleanWebpackPlugin(),
        new CopyWebpackPlugin({
            patterns: [{
                from: 'public/*',
                to: '[name].[ext]',
                globOptions: {
                    ignore: [
                        '**/index.html'
                    ]
                }
            }]
        }),
        new CompressionPlugin()
    ]
}