addCharacter method

Implementation

@override
void addCharacter(String character) {
  if (character == "n") {
    parserController.addPropertyChunk<Null>(
      propertyPath: propertyPath,
      chunk: null,
    );
    // addPropertyChunk already completes the controller
  } else if (character == "," || character == "}" || character == "]") {
    isDone = true;
    onComplete?.call();
    return;
  }
}