Fix Memory Leak

Author: beachtom

src/wasm/geometry/IfcGeometryProcessor.cpp

@@ -51,7 +51,8 @@ namespace webifc::geometry
 
     void IfcGeometryProcessor::Clear()
     {
-        _expressIDToGeometry = {};
+        _expressIDToGeometry.clear();
+        std::unordered_map<uint32_t, IfcGeometry>().swap(_expressIDToGeometry);
     }
 
     glm::dmat4 IfcGeometryProcessor::GetCoordinationMatrix()
@@ -798,7 +799,6 @@ namespace webifc::geometry
                     mesh.color = glm::dvec4(1.0);
                 else
                     mesh.color = styledItemColor.value();
-                _expressIDToMesh[expressID] = mesh;
                 return mesh;
             }
             case schema::IFCEXTRUDEDAREASOLID:

src/wasm/geometry/IfcGeometryProcessor.h

@@ -39,7 +39,6 @@ namespace webifc::geometry
         IfcGeometry GetBrep(uint32_t expressID);
         IfcGeometry BoolProcess(const std::vector<IfcGeometry> &firstGroups, std::vector<IfcGeometry> &secondGroups, std::string op);
         std::unordered_map<uint32_t, IfcGeometry> _expressIDToGeometry;
-        std::unordered_map<uint32_t, IfcComposedMesh> _expressIDToMesh;
         IfcSurface GetSurface(uint32_t expressID);
         const IfcGeometryLoader _geometryLoader;
         glm::dmat4 _transformation = glm::dmat4(1.0);