chore: update TS types, refactor getTensorShape

Author: chmjkb

packages/react-native-executorch/common/rnexecutorch/models/BaseModel.cpp

@@ -155,13 +155,8 @@ void BaseModel::unload() { module.reset(nullptr); }
 
 std::vector<int32_t>
 BaseModel::getTensorShape(const executorch::aten::Tensor &tensor) {
-  std::vector<int32_t> tensorShape;
   auto sizes = tensor.sizes();
-  tensorShape.reserve(sizes.size());
-  for (auto size : sizes) {
-    tensorShape.push_back(static_cast<int32_t>(size));
-  }
-  return tensorShape;
+  return std::vector<int32_t>(sizes.begin(), sizes.end());
 }
 
 } // namespace rnexecutorch

packages/react-native-executorch/src/types/common.ts

@@ -55,7 +55,7 @@ export type TensorBuffer =
   | BigUint64Array;
 
 export interface TensorPtr {
-  data: TensorBuffer;
-  shape: number[];
+  dataPtr: TensorBuffer;
+  sizes: number[];
   scalarType: ScalarType;
 }