webpack.config.js

const path = require('path');
const webpack = require('webpack')
const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const IgnoreEmitPlugin = require('ignore-emit-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const Dotenv = require('dotenv-webpack');


const production = process.env.SCATTELLET === 'production';
const vueAlias = `vue/dist/vue${production ? '.min' : ''}.js`;
const productionPlugins = !production ? [] : [
    new UglifyJsPlugin()
];

function replaceSuffixes(file){
    return file
        .replace('scss', 'css')
}

const filesToPack = [
    'app.js',
    'styles.scss'
];
const entry = filesToPack.reduce((o, file) => Object.assign(o, {[replaceSuffixes(file)]: `./src/${file}`}), {});

const phaserModulePath = path.join(__dirname, '/node_modules/phaser/');

module.exports = {
    entry,
    output: {
        path: path.resolve(__dirname, './build'),
        filename: '[name]'
    },
    resolve: {
        alias: {
            vue: vueAlias
        },
        modules: [ path.join(__dirname, "node_modules") ]
    },
    module: {
        loaders: [
            { test: /\.js$/, loader: 'babel-loader', query: { presets: ['es2015', 'stage-3'] }, exclude: /node_modules/ },
        ],
        rules:[
            { test: /\.(sass|scss)$/, loader: ExtractTextPlugin.extract(['css-loader', 'sass-loader']) },
            { test: /\.(html|png)$/, loader: 'file-loader', options: { name: '[name].[ext]' } },
            { test: /\.vue$/, loader: 'vue-loader', options: {
                loaders: {
                    js: 'babel-loader',
                    scss: 'vue-style-loader!css-loader!sass-loader'
                }
            } }
        ]
    },
    plugins: [
        new ExtractTextPlugin({ filename: '[name]', allChunks: true }),
        new IgnoreEmitPlugin(/\.omit$/),
        new CopyWebpackPlugin([`./src/copied`]),
        new Dotenv({
            path: './.env',
            safe: true
        })
    ].concat(productionPlugins),
    stats: { colors: true },
    devtool: 'inline-source-map'
}