Added Dart null safety.

hiranthaR / Json-to-Dart-Model

Json to Dart Model extension can convert JSON objects into Dart data classes. It supports pure Dart class conversion, Flutter-recommended JSON serialization using annotations, Freezed support, Effective Dart:Style, and many more features. Currently, it has more than 135,000 installs.

https://marketplace.visualstudio.com/items?itemName=hirantha.json-to-dart

MIT License

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Added Dart null safety. #28

Closed iamarnas closed 3 years ago

iamarnas commented 3 years ago

Added support for Dart null safety.
For any suggestions on how to improve the better null safety syntax your are welcome to open discuss.
- Added Freezed supports for both old versions to 0.12.7 and new from 0.14.0 and higher.
- Those who update to 3.1.0 from older version. Be sure to add "nullSafety": false, to models.jsonc configuration or go to help for more information if you were warned.