const common = require("./webpack.common.js");
const antd_theme = require("./antd_theme.js");
const path = require("path");
const merge = require("webpack-merge");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const Dotenv = require("dotenv-webpack");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");

module.exports = merge(common, {
    mode: "production",
    output: {
        filename: "[name].[contenthash].js",
    },
    optimization: {
        moduleIds: "hashed",
        runtimeChunk: "single",
        splitChunks: {
            cacheGroups: {
                styles: {
                    name: "style",
                    test: /\.(css|less)$/,
                    chunks: "all",
                    enforce: true,
                },
                vendor: {
                    test: /node_modules/,
                    name: "vendors",
                    chunks: "all",
                },
            },
        },
    },
    module: {
        rules: [
            {
                test: /\.tsx?$/,
                use: "ts-loader",
                include: path.resolve(__dirname, "src"),
            },
            {
                test: /\.css$/,
                exclude: /node_modules/,
                use: [
                    MiniCssExtractPlugin.loader,
                    {
                        loader: "css-loader",
                        options: {
                            modules: {
                                localIdentName: "[local]--[hash:base64:5]",
                            },
                        },
                    },
                ],
            },
            {
                test: /\.css$/,
                include: /node_modules/,
                use: [MiniCssExtractPlugin.loader, "css-loader"],
            },
            {
                test: /\.less$/,
                include: /antd/,
                use: [
                    MiniCssExtractPlugin.loader,
                    "css-loader",
                    {
                        loader: "less-loader",
                        options: {
                            javascriptEnabled: true,
                            modifyVars: antd_theme,
                        },
                    },
                ],
            },
            {
                test: /\.(png|svg|jpg|gif)$/,
                use: ["file-loader"],
            },
            {
                test: /\.worker\.js$/,
                use: { loader: "worker-loader" },
            },
        ],
    },
    plugins: [
        new CleanWebpackPlugin(),
        new Dotenv({
            path: "./.env.prod",
        }),
        new MiniCssExtractPlugin({
            filename: "[name].[contenthash].css",
        }),
        new CopyWebpackPlugin([
            {
                from: path.resolve(__dirname, "assets"),
                to: path.resolve(__dirname, "dist/assets"),
            },
        ]),
    ],
});