message: fix(WASMImageIO): Create data directory if does not exist
diff: @@ -630,6 +630,10 @@ WASMImageIO
  else
  {
  const auto directionPath = dataPath + "/direction.raw";
  + if ( !itksys::SystemTools::FileExists(dataPath, false) )
  + {
  + itksys::SystemTools::MakeDirectory(dataPath);
  + }
  std::ofstream directionFile;
  this->OpenFileForWriting(directionFile, directionPath.c_str(), false);
  for( unsigned int ii = 0; ii < dimension; ++ii )
  