webpack.config.production.js

const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const OptimizeCssAssetsPlugin = require("optimize-css-assets-webpack-plugin");
const FavIconsWebpackPlugin = require("favicons-webpack-plugin");
const path = require("path");
const webpack = require("webpack");
const TerserPlugin = require("terser-webpack-plugin");
const {CleanWebpackPlugin} = require("clean-webpack-plugin");

const cleanOptions = {
    verbose: true,
    dry: false
};

const config = {
    devtool: false,
    entry: ["./src/index.ts"],
    output: {
        path: path.resolve("dist"),
        filename: "[name].[hash].js"
    },
    resolve: {
        extensions: [".ts", ".tsx", ".js", ".jsx"]
    },
    module: {
        rules: [
            {test: /\.tsx?$/, loader: "babel-loader"},
            {
                test: /\.s?css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    {loader: "css-loader", options: {importLoaders: 1}},
                    "postcss-loader",
                    "sass-loader"
                ]
            },
            {
                loader: "webpack-ant-icon-loader",
                enforce: "pre",
                options: {
                    chunkName: "antd-icons"
                },
                include: [require.resolve("@ant-design/icons/lib/dist")]
            },
            {
                test: /\.(png|svg|jpg|gif)$/,
                use: ["file-loader"]
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: "./src/index.html"
        }),
        new FavIconsWebpackPlugin({
            logo: "./src/assets/yetric-icon.png"
        }),
        new webpack.DefinePlugin({
            "process.env": {
                NODE_ENV: JSON.stringify("production")
            }
        }),
        new CleanWebpackPlugin(cleanOptions),
        new MiniCssExtractPlugin({
            filename: "[name].[hash].css",
            chunkFilename: "[id].[hash].css"
        }),
        new OptimizeCssAssetsPlugin({
            canPrint: true,
            cssProcessorPluginOptions: {
                preset: ["default", {discardComments: {removeAll: true}}]
            }
        }),
        new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/)
    ],
    optimization: {
        minimize: true,
        minimizer: [
            new TerserPlugin({
                terserOptions: {
                    parse: {
                        ecma: 8
                    },
                    compress: {
                        ecma: 5,
                        warnings: false,
                        comparisons: false
                    },
                    mangle: {
                        safari10: true
                    },
                    output: {
                        ecma: 5,
                        comments: false,
                        ascii_only: true
                    },
                    parallel: true,
                    cache: true
                }
            })
        ],
        splitChunks: {
            chunks: (chunk) => {
                return chunk.name !== "antd-icons";
            },
            cacheGroups: {
                vendors: {
                    test: /[\\/]node_modules[\\/]/,
                    priority: -10
                },
                default: {
                    minChunks: 2,
                    priority: -20,
                    reuseExistingChunk: true
                }
            }
        }
    }
};

module.exports = config;