fromJson static method

KeyboardButtonSource? fromJson(
  1. Map<String, dynamic>? json
)

Inherited by: KeyboardButtonSourceMessage KeyboardButtonSourceWebApp

Implementation

static KeyboardButtonSource? fromJson(Map<String, dynamic>? json) {
  if (json == null) {
    return null;
  }

  switch (json['@type']) {
    case KeyboardButtonSourceMessage.constructor:
      return KeyboardButtonSourceMessage.fromJson(json);

    case KeyboardButtonSourceWebApp.constructor:
      return KeyboardButtonSourceWebApp.fromJson(json);

    default:
      return null;
  }
}