From 0e5c93dfcb929e150c256f70cf427b9f412e5f9f Mon Sep 17 00:00:00 2001
From: Copilot <198982749+Copilot@users.noreply.github.com>
Date: Thu, 29 Jan 2026 23:34:39 +0000
Subject: [PATCH] =?UTF-8?q?=F0=9F=91=B7(packaged)=20Speed-up=20build=20wit?=
 =?UTF-8?q?h=20rolldown=20(#6511)?=
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- [x] Review the changes from PR #6508 to understand rolldown
integration
- [x] Create rolldown.config.js file for packaged package
- [x] Update package.json scripts to use rolldown instead of tsc
- [x] Add rolldown as a devDependency to packaged package
- [x] Create changeset file for the packaged package
- [x] Test the build process
- [x] Verify the build output

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<details>

<summary>Original prompt</summary>

> do the same as https://github.com/dubzzz/fast-check/pull/6508 but
applied to packaged package. do reuse the common helper


</details>



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Co-authored-by: dubzzz <5300235+dubzzz@users.noreply.github.com>
---
 .changeset/rolldown-packaged.md      | 5 +++++
 packages/packaged/package.json       | 7 +++----
 packages/packaged/rolldown.config.js | 4 ++++
 pnpm-lock.yaml                       | 3 +++
 4 files changed, 15 insertions(+), 4 deletions(-)
 create mode 100644 .changeset/rolldown-packaged.md
 create mode 100644 packages/packaged/rolldown.config.js

diff --git a/.changeset/rolldown-packaged.md b/.changeset/rolldown-packaged.md
new file mode 100644
index 00000000..c6a7c8e0
--- /dev/null
+++ b/.changeset/rolldown-packaged.md
@@ -0,0 +1,5 @@
+---
+"@fast-check/packaged": patch
+---
+
+👷(packaged) Speed-up build with rolldown
diff --git a/packages/packaged/package.json b/packages/packaged/package.json
index 0d9e05b2..b12ed78f 100644
--- a/packages/packaged/package.json
+++ b/packages/packaged/package.json
@@ -21,10 +21,8 @@
   ],
   "sideEffects": false,
   "scripts": {
-    "build": "pnpm run build:publish-esm && pnpm run build:publish-types",
-    "build-ci": "pnpm run build",
-    "build:publish-types": "tsc -p tsconfig.publish.types.json",
-    "build:publish-esm": "tsc -p tsconfig.publish.json",
+    "build": "rolldown -c",
+    "build-ci": "rolldown -c",
     "typecheck": "tsc --noEmit"
   },
   "repository": {
@@ -48,6 +46,7 @@
   "devDependencies": {
     "@types/npm-packlist": "^7.0.3",
     "@types/npmcli__arborist": "^6.3.1",
+    "rolldown": "^1.0.0-rc.2",
     "typescript": "~5.9.3",
     "vite": "^7.3.1",
     "vitest": "^4.0.5"
diff --git a/packages/packaged/rolldown.config.js b/packages/packaged/rolldown.config.js
new file mode 100644
index 00000000..aa391e22
--- /dev/null
+++ b/packages/packaged/rolldown.config.js
@@ -0,0 +1,4 @@
+import buildConfigFor from '../../rolldown.common.config.js';
+import pkg from './package.json' with { type: 'json' };
+
+export default buildConfigFor(pkg, import.meta.dirname);
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 67999f92..6670a46c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -249,6 +249,9 @@ importers:
       '@types/npmcli__arborist':
         specifier: ^6.3.1
         version: 6.3.1
+      rolldown:
+        specifier: ^1.0.0-rc.2
+        version: 1.0.0-rc.2
       typescript:
         specifier: ~5.9.3
         version: 5.9.3
-- 
2.51.2