webpack 4 & babel-loader 7

package.json

---

{
  "name": "vue2",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "dev": "webpack-dev-server --mode development --config webpack.config.js",
    "build": "webpack --progress --hide-modules --mode production --config webpack.prod.config.js"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "babel": "^6.23.0",
    "babel-core": "^6.26.3",
    "babel-loader": "^7.1.5",
    "babel-plugin-transform-runtime": "^6.23.0",
    "babel-preset-es2015": "^6.24.1",
    "babel-runtime": "^6.26.0",
    "css-loader": "^1.0.1",
    "extract-text-webpack-plugin": "^4.0.0-beta.0",
    "file-loader": "^2.0.0",
    "html-webpack-plugin": "^3.2.0",
    "mini-css-extract-plugin": "^0.4.4",
    "style-loader": "^0.23.1",
    "uglifyjs-webpack-plugin": "^2.0.1",
    "url-loader": "^1.1.2",
    "vue-hot-reload-api": "^2.3.1",
    "vue-loader": "^15.4.2",
    "vue-style-loader": "^4.1.2",
    "vue-template-compiler": "^2.5.17",
    "webpack": "^4.26.0",
    "webpack-cli": "^3.1.2",
    "webpack-dev-server": "^3.1.10",
    "webpack-merge": "^4.1.4"
  },
  "dependencies": {
    "vue": "^2.5.17"
  }
}

webpack.config.js

---

const path = require('path');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const VueLoaderPlugin = require('vue-loader/lib/plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

const config = {
    entry: {
        main: './main'
    },
    output: {
        path: path.join(__dirname, './dist'),
        publicPath: '/dist',
        filename: 'main.js'
    },
    module: {
        rules: [{
                test: /\.vue$/,
                loader: 'vue-loader',
                options: {
                    loaders: {
                        css: ExtractTextPlugin.extract({
                            use: 'css-loader',
                            fallback: 'vue-style-loader'
                        })
                    }
                }
            },
            {
                test: /\.js$/,
                loader: 'babel-loader',
                exclude: /node_modules/
            },
            {
                test: /\.css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader'
                ]
            },
            {
                test: /\.(gif|jpg|png|woff|svg|eot|ttf)\??.*$/,
                loader: 'url-loader?limit=1024'
            }
        ]
    },
    plugins: [
        new MiniCssExtractPlugin('main.css'),
        new VueLoaderPlugin()
    ]
};

module.exports = config

webpack.prod.config.js

---

const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const merge = require('webpack-merge')
const VueLoaderPlugin = require('vue-loader/lib/plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const webpackBaseConfig = require('./webpack.config')
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');

webpackBaseConfig.plugins = [];

module.exports = merge(webpackBaseConfig, {
    output: {
        publicPath: '/dist/',
        filename: '[name].[hash].js'
    },
    plugins: [
        new MiniCssExtractPlugin({
            filename: '[name].[hash].css',
            allChunks: true
        }),
        new webpack.DefinePlugin({
            'process.env': {
                NODE_ENV: '"production"'
            }
        }),
        new VueLoaderPlugin(),
        new HtmlWebpackPlugin({
            filename: '../index_prod.html',
            template: './index.ejs',
            inject: false
        })
    ],
    optimization: {
        minimizer: [new UglifyJsPlugin()]
    }
})

.babelrc

---

{
    "presets": ["es2015"],
    "plugins": ["transform-runtime"],
    "comments": false
}

image.png