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> ./vite.config.ts

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

import fs from "node:fs";
import path from "node:path";
import { parse } from "@std/dotenv/parse";

const call = parse(fs.readFileSync(
  path.join(__dirname, '.call'),
  {encoding: 'utf-8'}
))

export default defineConfig({
  base: "./",
  plugins: [topLevelAwait(), react(), wasm()],
  server: { allowedHosts: [ call["DOMAIN"], ], },
  resolve: {
    alias: {
      "@": path.resolve(__dirname, "./src"),
    },
  },
  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: {
      input: {
        main: path.resolve(__dirname, "index.html"),
        "service-worker": path.resolve(__dirname, "service-worker.js"),
      },
      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]";
        },
        entryFileNames: (chunkInfo) => {
          // Specify output location for service-worker.js
          if (chunkInfo.name === "service-worker") {
            return "[name].js"; // This will place service-worker.js directly under dist
          }
          return "assets/[name]-[hash].js"; // Default behavior for other entries
        },
      },
    },
  },
});