webpack.config.js

'use strict';

const webpack = require('webpack');
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const path = require('path');

module.exports = {

    //   mode: 'development',
    mode: 'production',

    entry: {
        'phaser-custom': path.join(__dirname, `./phaser-custom.js`),
        'phaser-custom.min': path.join(__dirname, './phaser-custom.js')
    },

    resolve: {
        // Not 100% sure of removing this since I cannot find a reason why this was initially added.
        /*alias: {
            'eventemitter3': path.resolve(__dirname, './node_modules/eventemitter3')
        },*/
    },

    output: {
        path: path.join(__dirname, './dist/'),
        filename: '[name].js',
        library: 'Phaser',
        libraryTarget: 'umd',
        sourceMapFilename: '[file].map',
        devtoolModuleFilenameTemplate: 'webpack:///[resource-path]',
        devtoolFallbackModuleFilenameTemplate: 'webpack:///[resource-path]?[hash]',
        umdNamedDefine: true
    },

    performance: { hints: false },

    optimization: {
        minimizer: [
            new UglifyJSPlugin({
                include: /\.min\.js$/,
                parallel: true,
                sourceMap: false,
                uglifyOptions: {
                    compress: true,
                    ie8: false,
                    ecma: 5,
                    output: { comments: false },
                    warnings: false
                },
                warningsFilter: () => false
            })
        ]
    },

    plugins: [
        new webpack.DefinePlugin({
            "typeof CANVAS_RENDERER": JSON.stringify(true),
            "typeof WEBGL_RENDERER": JSON.stringify(true),
            "typeof EXPERIMENTAL": JSON.stringify(false),
            "typeof PLUGIN_CAMERA3D": JSON.stringify(false),
            "typeof PLUGIN_FBINSTANT": JSON.stringify(false)
        }),

        new CleanWebpackPlugin(['dist'])
    ],

    devtool: 'source-map'

};