openai-harmony/demo/harmony-demo/next.config.ts

import type { NextConfig } from "next";

const nextConfig: NextConfig = {
  webpack(config, { isServer, dev, webpack }) {
    // Use the client static directory in the server bundle and prod mode
    // Fixes `Error occurred prerendering page "/"`
    config.output.webassemblyModuleFilename =
      isServer && !dev
        ? "../static/[modulehash].wasm"
        : "static/[modulehash].wasm";

    // Since Webpack 5 doesn't enable WebAssembly by default, we should do it manually
    config.experiments = { ...config.experiments, asyncWebAssembly: true };

    // https://nextjs.org/docs/app/building-your-application/optimizing/memory-usage#disable-webpack-cache
    // This just stops building altogether:
    // if (config.cache && !dev) {
    //     config.cache = Object.freeze({
    //         type: 'memory',
    //     })
    // }

    // Deubbing (vercel/next.js/issues/27650)
    config.infrastructureLogging = { debug: /PackFileCache/ };

    return config;
  },
};

export default nextConfig;