build(WASI): Fix WASI build / execution

CMakeLists.txt

@@ -24,6 +24,9 @@ set(_itk_build_shared ${BUILD_SHARED_LIBS})
 set(BUILD_SHARED_LIBS OFF)
 set(cleaver_GIT_REPOSITORY "https://github.com/SCIInstitute/Cleaver2")
 set(cleaver_GIT_TAG "02ba7b5fda5578b348a1dd54fb1660ef6cc7faf2")
+# Add https://github.com/SCIInstitute/Cleaver2/pull/122
+set(cleaver_GIT_REPOSITORY "https://github.com/thewtex/Cleaver2")
+set(cleaver_GIT_TAG "2a4d7406b760e7af9f3a0d1f97d6168ddde7d1c7")
 FetchContent_Declare(
   cleaver_lib
   GIT_REPOSITORY ${cleaver_GIT_REPOSITORY}

include/itkCleaverImageToMeshFilter.hxx

@@ -658,6 +658,8 @@ CleaverImageToMeshFilter<TInputImage, TOutputMesh>
   {
     delete field;
   }
+
+  mesher.cleanup();
 }
 
 } // end namespace itk

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "build": "npm run build:emscripten && npm run bindgen:typescript && npm run build:wasi",
     "build:emscripten": "itk-wasm -i itkwasm/emscripten:20230214-4d22c050 build",
-    "build:wasi": "itk-wasm -i itkwasm/wasi:20230214-4d22c050 build",
+    "build:wasi": "itk-wasm -i itkwasm/wasi:20230315-baaa731f build",
     "build:wasi:debug": "itk-wasm -i itkwasm/wasi:20230214-4d22c050-debug build -- -DCMAKE_BUILD_TYPE=Debug",
     "bindgen:typescript": "itk-wasm -b emscripten-build bindgen --output-dir wasm/typescript --package-name @itk-wasm/cleaver --package-description \"The Cleaver multimaterial tetrahedral meshing tool.\" --repository 'https://github.com/SCIInstitute/Cleaver2'",
     "clean": "git clean -fdx -e node_modules"

wasm/ITKCleaverWasm.cxx

@@ -24,7 +24,7 @@
 
 template<typename TImage>
 int
-Mesher(itk::wasm::Pipeline & pipeline, std::vector<const TImage *> & inputImages)
+Mesher(itk::wasm::Pipeline & pipeline, std::vector<typename TImage::ConstPointer> & inputImages)
 {
   using ImageType = TImage;
 
@@ -66,7 +66,9 @@ Mesher(itk::wasm::Pipeline & pipeline, std::vector<const TImage *> & inputImages
 
   ITK_WASM_CATCH_EXCEPTION(pipeline, filter->Update());
 
-  outputTriangleMesh.Set(filter->GetOutput(1));
+  typename MeshType::ConstPointer triangleMesh = filter->GetOutput(1);
+  typename MeshType::ConstPointer mmesh = filter->GetOutput(0);
+  outputTriangleMesh.Set(triangleMesh);
 
   return EXIT_SUCCESS;
 }
@@ -85,10 +87,11 @@ class PipelineFunctor
 
     ITK_WASM_PRE_PARSE(pipeline);
 
-    std::vector<const ImageType *> loadedInputImages;
-    for(auto image: inputImages)
+    std::vector<typename ImageType::ConstPointer> loadedInputImages;
+    loadedInputImages.resize(inputImages.size());
+    for(size_t ii = 0; ii < inputImages.size(); ++ii)
     {
-      loadedInputImages.push_back(image.Get());
+      loadedInputImages[ii] = inputImages[ii].Get();
     }
 
     int result = Mesher<ImageType>(pipeline, loadedInputImages);