const path = require('path')
const { CleanWebpackPlugin: CleanPlugin } = require('clean-webpack-plugin')
const LoadablePlugin = require('@loadable/webpack-plugin')

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

function isProduction() {
    return NODE_ENV === 'production'
}

const cssLoader = {
    loader: 'css-loader',
    options: {
        modules: {
            mode: 'local',
            localIdentName: isProduction() ? '[contenthash:8]' : '[name]-[contenthash:8]'
        }
    }
}

module.exports = {
    entry: {
        app: path.resolve(__dirname, 'src', 'index.ts')
    },
    output: {
        filename:      '[name].js',
        chunkFilename: '[chunkhash].js',
        path:          path.resolve(__dirname, '../', 'dist', 'client'),
        publicPath:    '/dist/'
    },
    devtools: false,
    target: 'node',
    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$/,
                use: [
                    'null-loader',
                    cssLoader
                ]
            },
            {
                test: /\.styl$/,
                use: [
                    'null-loader',
                    cssLoader,
                    'stylus-loader'
                ]
            }
        ]
    },
    plugins: [
        new CleanPlugin(),
        new LoadablePlugin()
    ],
    stats: {
        children: false
    }
}