From 144f07ea7561e68f3a5f1ac3b05e64e6613bc301 Mon Sep 17 00:00:00 2001
From: Ajax Davis <thomasalwyndavis@gmail.com>
Date: Fri, 16 Jan 2026 08:21:41 +1000
Subject: [PATCH] fix(ui): use tsc for declarations to avoid memory issues in
 CI

The rollup-plugin-dts used by tsup runs out of memory with 54 entry points.
Split build into two steps:
1. tsup for ESM bundles
2. tsc --emitDeclarationOnly for .d.ts files
---
 packages/ui/package.json   |  2 +-
 packages/ui/tsup.config.ts | 10 +++-------
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/packages/ui/package.json b/packages/ui/package.json
index ebe7434..60383f1 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -240,7 +240,7 @@
     "dist"
   ],
   "scripts": {
-    "build": "NODE_OPTIONS='--max-old-space-size=4096' tsup",
+    "build": "tsup && tsc --emitDeclarationOnly --declaration --outDir dist",
     "dev": "tsup --watch",
     "test": "vitest run",
     "test:ui": "vitest --ui",
diff --git a/packages/ui/tsup.config.ts b/packages/ui/tsup.config.ts
index 2d31e5a..b5533a1 100644
--- a/packages/ui/tsup.config.ts
+++ b/packages/ui/tsup.config.ts
@@ -47,13 +47,9 @@ entries.push('src/system/hooks/useDitherAnimation.ts');
 export default defineConfig({
   entry: entries,
   format: ['esm'],
-  dts: {
-    // Reduce memory usage in CI by disabling concurrent workers
-    // This prevents "JS heap out of memory" errors when building many components
-    compilerOptions: {
-      composite: false,
-    },
-  },
+  // DTS disabled - using tsc directly to avoid memory issues with rollup-plugin-dts
+  // See build script: "tsup && tsc --emitDeclarationOnly"
+  dts: false,
   clean: true,
   treeshake: false, // Disable treeshaking to preserve 'use client'
   splitting: false,