webpack.prod.js

/* eslint-disable no-undef */
/* eslint-disable @typescript-eslint/no-var-requires */
const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const CopyPlugin = require("copy-webpack-plugin");
const WasmPackPlugin = require("@wasm-tool/wasm-pack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");

module.exports = {
    mode: "production",
    entry: "./src/index.ts",
    module: {
        rules: [
            {
                test: /\.tsx?$/,
                use: "ts-loader",
                exclude: /node_modules/,
            },
        ],
    },
    experiments: {
        asyncWebAssembly: true,
    },
    resolve: {
        extensions: [".tsx", ".ts", ".js", ".wasm"],
        alias: {
            "react": "preact/compat",
            "react-dom/test-utils": "preact/test-utils",
            "react-dom": "preact/compat",     // Must be below test-utils
            "react/jsx-runtime": "preact/jsx-runtime"
        },
    },
    output: {
        filename: "bundle.js",
        path: path.resolve(__dirname, "dist"),
        devtoolModuleFilenameTemplate: "../../[resource-path]",
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: "src/index.html",
        }),
        new CopyPlugin({
            patterns: [{ from: "assets", to: "assets" }]
        }),
        new CleanWebpackPlugin({
            cleanAfterEveryBuildPatterns: ["dist"]
        }),
        new WasmPackPlugin({
            crateDirectory: path.join(__dirname, "crate"),
        }),
    ],
};