const path = require('path')
const TerserPlugin = require('terser-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const OptimizeCssAsssetsPlugin = require('optimize-css-assets-webpack-plugin')
const { CleanWebpackPlugin: CleanPlugin } = require('clean-webpack-plugin')

const NODE_ENV = process.env.NODE_ENV ? process.env.NODE_ENV : 'development'

module.exports = {
    entry: {
        app: path.resolve(__dirname, 'src', 'index.tsx')
    },
    output: {
        filename:      '[name].js',
        chunkFilename: '[chunkhash].js',
        path:          path.resolve(__dirname, '../', 'dist', 'client'),
        publicPath:    '/dist/'
    },
    resolve: {
        extensions: [
            '.styl',
            '.tsx',
            '.ts',
            '.jsx',
            '.js'
        ]
    },
    module: {
        rules: [
            {
                test: /\.tsx?$/,
                exclude: /node_modules/,
                use: [
                    'babel-loader',
                    'ts-loader'
                ]
            },
            {
                test: /\.jsx?$/,
                exclude: /node_modules/,
                use: [
                    'babel-loader'
                ]
            },
            {
                test: /\.css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader',
                    'postcss-loader'
                ]
            },
            {
                test: /\.styl$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader',
                    'postcss-loader',
                    'stylus-loader'
                ]
            }
        ]
    },
    plugins: [
        new CleanPlugin(),
        new MiniCssExtractPlugin({
            filename:      '[name].css',
            chunkFilename: '[chunkhash].css',
            ignoreOrder:   false
        })
    ],
    optimization: {
        minimizer: [
            new TerserPlugin({
                terserOptions: {
                    output: {
                        comments: false
                    }
                },
                extractComments: false
            }),
            new OptimizeCssAsssetsPlugin()
        ]
    },
    stats: {
        children: false
    }
}