vite.config.ts

// vite.config.ts
import { defineConfig } from "vite";
import path from "path";
import react from "@vitejs/plugin-react";
import wasm from "vite-plugin-wasm";
import topLevelAwait from "vite-plugin-top-level-await";

export default defineConfig({
  base: "./",
  plugins: [topLevelAwait(), wasm(), react()],
  resolve: {
    alias: {
      "@": path.resolve(__dirname, "./src"),
    },
  },
  worker: {
    format: "es",
    plugins: [wasm()],
  },

  optimizeDeps: {
    // This is necessary because otherwise `vite dev` includes two separate
    // versions of the JS wrapper. This causes problems because the JS
    // wrapper has a module level variable to track JS side heap
    // allocations, and initializing this twice causes horrible breakage
    exclude: [
      "@automerge/automerge-wasm",
      "@automerge/automerge-wasm/bundler/bindgen_bg.wasm",
      "@syntect/wasm",
    ],
  },

  build: {
    rollupOptions: {
      output: {
        // We put index.css in dist instead of dist/assets so that we can link to fonts
        // using relative URLs like "./assets/font.woff2", which is the correct form
        // for deployment to trailrunner.
        assetFileNames: (assetInfo) => {
          if (assetInfo.name === "index.css") {
            return "[name][extname]";
          }
          // For all other assets, keep the default behavior
          return "assets/[name]-[hash][extname]";
        },
      },
    },
  },
});