import { defineConfig } from "vite";
import { svelte } from "@sveltejs/vite-plugin-svelte";
import wasm from "vite-plugin-wasm";
import topLevelAwait from "vite-plugin-top-level-await";

// https://github.com/automerge/automerge-repo/blob/9b5aa0788996c64e7c11c9f8bc00a55b38afb7dd/packages/automerge-repo-demo-counter-svelte/vite.config.ts
// https://vitejs.dev/config/
export default defineConfig({
  plugins: [wasm(), topLevelAwait(), svelte()],
  worker: {
    format: "es",
    plugins: [wasm(), topLevelAwait()],
  },

  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",
    ],
  },
});