Use rolldown for bundling (#621)

* Use rolldown for bundling

* update vite

---------

Co-authored-by: Mateusz Burzyński <mateuszburzynski@gmail.com>

package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "main": "dist/index.js",
   "scripts": {
-    "build": "rollup -c",
+    "build": "rolldown -c",
     "test": "vitest",
     "test:watch": "pnpm test --watch",
     "typecheck": "tsc",
@@ -38,19 +38,13 @@
     "@changesets/cli": "^2.29.3",
     "@changesets/types": "^6.1.0",
     "@changesets/write": "^0.4.0",
-    "@rollup/plugin-commonjs": "^28.0.3",
-    "@rollup/plugin-json": "^6.1.0",
-    "@rollup/plugin-node-resolve": "^16.0.1",
-    "@rollup/plugin-terser": "^0.4.4",
     "@types/node": "^24.12.2",
     "@types/semver": "^7.5.0",
-    "builtin-modules": "^5.0.0",
-    "esbuild": "^0.25.4",
     "fixturez": "^1.1.0",
     "oxfmt": "^0.48.0",
-    "rollup": "^4.40.2",
+    "rolldown": "^1.0.1",
     "typescript": "^5.8.3",
-    "vitest": "^4.1.5"
+    "vitest": "^4.1.6"
   },
   "engines": {
     "node": ">=24"

pnpm-workspace.yaml

@@ -1,8 +1,16 @@
-allowBuilds:
-  esbuild: true
-
 blockExoticSubdeps: true
 dedupePeers: true
 dedupePeerDependents: true
 minimumReleaseAge: 10080
+minimumReleaseAgeExclude:
+  - '@oxc-project/*'
+  - '@rolldown/*'
+  - rolldown@1.0.1
+  - vite@8.0.13
+  - vitest@4.1.6
+
+overrides:
+  lightningcss: '-' # we do not bundle any css
+  postcss: '-' # we do not bundle any css
+
 trustPolicy: no-downgrade

rolldown.config.js

@@ -0,0 +1,13 @@
+import { defineConfig } from 'rolldown'
+
+export default defineConfig({
+  input: 'src/index.ts',
+  output: {
+    dir: 'dist',
+    format: 'esm',
+    cleanDir: true,
+    minify: true,
+    comments: false,
+  },
+  platform: 'node',
+})

rollup.config.js

@@ -1,38 +0,0 @@
-import commonjs from "@rollup/plugin-commonjs";
-import json from "@rollup/plugin-json";
-import nodeResolve from "@rollup/plugin-node-resolve";
-import terser from "@rollup/plugin-terser";
-import builtinModulesList from "builtin-modules";
-import { transform } from "esbuild";
-import { defineConfig } from "rollup";
-
-const builtinModules = new Set(builtinModulesList);
-
-export default defineConfig({
-  input: "src/index.ts",
-  output: {
-    dir: "dist",
-    format: "esm",
-  },
-  external: (id) => builtinModules.has(id),
-  plugins: [
-    nodeResolve({
-      preferBuiltins: false,
-    }),
-    json(),
-    commonjs(),
-    {
-      name: "esbuild",
-      async transform(code, id) {
-        if (!/\.(mts|cts|ts|tsx)$/.test(id)) {
-          return null;
-        }
-        const result = await transform(code, {
-          loader: "ts",
-        });
-        return result.code;
-      },
-    },
-    terser(),
-  ],
-});