buffer: cache Environment::GetCurrent to avoid repeated calls

PR-URL: #59043
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: theanarkh <[email protected]>
Reviewed-By: Dario Piotrowicz <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Yagiz Nizipli <[email protected]>

Author: mertcanaltin

src/node_buffer.cc

@@ -1046,8 +1046,9 @@ void IndexOfBuffer(const FunctionCallbackInfo<Value>& args) {
 
   enum encoding enc = static_cast<enum encoding>(args[3].As<Int32>()->Value());
 
-  THROW_AND_RETURN_UNLESS_BUFFER(Environment::GetCurrent(args), args[0]);
-  THROW_AND_RETURN_UNLESS_BUFFER(Environment::GetCurrent(args), args[1]);
+  Environment* env = Environment::GetCurrent(args);
+  THROW_AND_RETURN_UNLESS_BUFFER(env, args[0]);
+  THROW_AND_RETURN_UNLESS_BUFFER(env, args[1]);
   ArrayBufferViewContents<char> haystack_contents(args[0]);
   ArrayBufferViewContents<char> needle_contents(args[1]);
   int64_t offset_i64 = args[2].As<Integer>()->Value();