Method preloadFromJS

system/lib/wasmfs/file.cpp:19–31

//

void DataFile::Handle::preloadFromJS(int index) {
  // TODO: Each Datafile type could have its own impl of file preloading.
  // Create a buffer with the required file size.
  std::vector<uint8_t> buffer(_wasmfs_get_preloaded_file_size(index));

  // Ensure that files are preloaded from the main thread.
  assert(emscripten_is_main_runtime_thread());

  // Load data into the in-memory buffer.
  _wasmfs_copy_preloaded_file_data(index, buffer.data());

  write((const uint8_t*)buffer.data(), buffer.size(), 0);
}

//
// Directory