vite.config.ts

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// Copyright (c) 2026 Doforu
// Copyright (c) 2026 Cloudflare, Inc.
// Licensed under the Apache 2.0 license found in the LICENSE-APACHE file or at:
//     https://opensource.org/licenses/Apache-2.0
// Modifications Copyright (c) 2026 Doforu, distributed under the AGPL-3.0-only (see LICENSE).

import { reactRouter } from "@react-router/dev/vite";
import { cloudflare } from "@cloudflare/vite-plugin";
import tailwindcss from "@tailwindcss/vite";
import { defineConfig } from "vite";
import tsconfigPaths from "vite-tsconfig-paths";
import { fileURLToPath } from "node:url";
import path from "node:path";

const __dirname = path.dirname(fileURLToPath(import.meta.url));

export default defineConfig({
  plugins: [
    cloudflare({ viteEnvironment: { name: "ssr" } }),
    tailwindcss(),
    reactRouter(),
    tsconfigPaths(),
  ],
  resolve: {
    alias: {
      // Workers SSR runner can't load react/jsx-dev-runtime (CJS dev build).
      // jsxDEV in React 19 has the same signature as jsx, so re-export from jsx-runtime.
      "react/jsx-dev-runtime": path.resolve(__dirname, "shim/jsx-dev-runtime.js"),
    },
  },
  // Force React-dependent packages to share the same ESM React instance.
  // Without this, esbuild bundles CJS React (react/cjs/react.production.js) into
  // a separate chunk with exports.useContext, creating a conflicting second React.
  optimizeDeps: {
    include: [
      "react",
      "react-dom",
      "react-dom/client",
      "react-router",
      "@cloudflare/kumo",
      "@phosphor-icons/react",
      "@tanstack/react-query",
    ],
  },

});