From 04329077988a2b1f7a87b1d116457599039e5e12 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Mon, 28 Oct 2024 08:53:41 -0700
Subject: More wasm binding for playground. (#5420)

---
 source/slang/slang.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'source/slang/slang.cpp')

diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index b77a3efc8..b3ac7f73d 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -5040,13 +5040,21 @@ IArtifact* ComponentType::getTargetArtifact(Int targetIndex, slang::IBlob** outD
             });
         List<RefPtr<ComponentType>> components;
         components.add(this);
+        bool entryPointsDiscovered = false;
         for (auto module : modules)
         {
             for (auto entryPoint : module->getEntryPoints())
             {
                 components.add(entryPoint);
+                entryPointsDiscovered = true;
             }
         }
+        // If no entry points were discovered, then we should return nullptr.
+        if (!entryPointsDiscovered)
+        {
+            return nullptr;
+        }
+        
         RefPtr<CompositeComponentType> composite = new CompositeComponentType(linkage, components);
         ComPtr<IComponentType> linkedComponentType;
         SLANG_RETURN_NULL_ON_FAIL(composite->link(linkedComponentType.writeRef(), outDiagnostics));
-- 
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