StarterKit/webpack.prod.js at master · DomoApps/StarterKit · GitHub

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const path = require('path');

const CleanWebpackPlugin = require('clean-webpack-plugin'); //installed via npm
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CopyPlugin = require('copy-webpack-plugin');

const buildPath = path.resolve(__dirname, 'dist');

module.exports = {
    devtool: 'source-map',
    entry: './src/index.js',
    output: {
        filename: '[name].[hash:20].js',
        path: buildPath
    },
    node: {
        fs: 'empty'
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loader: 'babel-loader',

                options: {
                    presets: ['env']
                }
            },
            {
                test: /\.(scss|css|sass)$/,
                use: [
                    {
                        loader: MiniCssExtractPlugin.loader
                    },
                    {
                        // translates CSS into CommonJS
                        loader: 'css-loader',
                        options: {
                            sourceMap: true
                        }
                    },
                    {
                        // Runs compiled CSS through postcss for vendor prefixing
                        loader: 'postcss-loader',
                        options: {
                            sourceMap: true
                        }
                    },
                    {
                        // compiles Sass to CSS
                        loader: 'sass-loader',
                        options: {
                            outputStyle: 'expanded',
                            sourceMap: true,
                            sourceMapContents: true
                        }
                    }
                ]
            },
            {
                // Load all images as base64 encoding if they are smaller than 8192 bytes
                test: /\.(png|jpg|gif)$/,
                use: [
                    {
                        loader: 'url-loader',
                        options: {
                            name: '[name].[hash:20].[ext]',
                            limit: 8192
                        }
                    }
                ]
            }
        ]
    },
    plugins: [
        new CopyPlugin([
            'manifest.json',
            'thumbnail.png',
            {from: 'src/assets/fonts', to: 'assets/fonts'},
            {from: 'src/assets/images', to: 'assets/images'},
        ]),
        new HtmlWebpackPlugin({
            template: './index.html',
            // Inject the js bundle at the end of the body of the given template
            inject: 'body',
        }),
        new CleanWebpackPlugin(buildPath),
        new MiniCssExtractPlugin({
            filename: 'styles.[contenthash].css'
        })
    ]
};