const Path = require('path');
const Webpack = require('webpack');
const WebpackMerge = require('webpack-merge');
const configBase = require('./webpack.config.base.js');
 
 
module.exports = WebpackMerge(configBase, {
    devtool: 'source-map',
 
    module: {
        rules: [
            {
                enforce: 'pre',
                test: /\.js$/,
                loader: 'source-map-loader',
                exclude: [
                    Path.resolve(__dirname, '../../node_modules/')
                ]
            },
            {
                test: /\.tsx?$/,
                loader: 'awesome-typescript-loader',
                exclude: [
                    Path.resolve(__dirname, '../../node_modules/')
                ]
            },
        ]
    },
    plugins: [
        new Webpack.DefinePlugin({
            'process.env': {
                'NODE_ENV': JSON.stringify('production')
            },
            'DEBUG': false,
            '__DEVTOOLS__': false
        }),
        // Plugings for optimizing size and performance.
        // Here you have all the available by now:
        //    Webpack 1. https://github.com/webpack/webpack/blob/v1.13.3/lib/optimize
        //    Webpack 2. https://github.com/webpack/webpack/tree/master/lib/optimize
        new Webpack.optimize.UglifyJsPlugin({
            compress: {
                warnings: false,
                screw_ie8: true,
                conditionals: true,
                unused: true,
                comparisons: true,
                sequences: true,
                dead_code: true,
                evaluate: true,
                if_return: true,
                join_vars: true,
                drop_console: true,
                drop_debugger: true,
                global_defs: {
                    __REACT_HOT_LOADER__: undefined // eslint-disable-line no-undefined
                }
            },
            minimize: true,
            debug: false,
            sourceMap: true,
            output: {
                comments: false
            },
 
        }),
        // Included by default in webpack 2
        // new webpack.optimize.OccurrenceOrderPlugin(),
        new Webpack.optimize.AggressiveMergingPlugin()
    ]
});