webpack.config.main.prod.js

/**
 * Webpack config for production electron main process
 */

import webpack from 'webpack';
import merge from 'webpack-merge';
import UglifyJSPlugin from 'uglifyjs-webpack-plugin';
import baseConfig from './webpack.config.base';
import CheckNodeEnv from './internals/scripts/CheckNodeEnv';

CheckNodeEnv('production');

export default merge.smart(baseConfig, {
    devtool: 'source-map',

    mode: 'production',

    target: 'electron-main',

    entry: ['babel-polyfill', './app/main.dev.js'],

    output: {
        path: __dirname,
        filename: './app/main.prod.js',
    },

    optimization: {
        minimizer: [
            new UglifyJSPlugin({
                parallel: true,
                sourceMap: true,
                cache: true,
            }),
        ],
    },

    plugins: [

        /**
         * Create global constants which can be configured at compile time.
         *
         * Useful for allowing different behaviour between development builds and
         * release builds
         *
         * NODE_ENV should be production so that modules do not perform certain
         * development checks
         */
        new webpack.EnvironmentPlugin({
            NODE_ENV: 'production',
            DEBUG_PROD: false,
            START_MINIMIZED: false,
        }),
    ],

    /**
     * Disables webpack processing of __dirname and __filename.
     * If you run the bundle in node.js it falls back to these values of node.js.
     * https://github.com/webpack/webpack/issues/2010
     */
    node: {
        __dirname: false,
        __filename: false,
    },
});