NSShield+Standardize.m

// TODO: improve the loop
void standardlizeParams(NSMutableDictionary* defaultParams) {
   NSMutableDictionary *mutableDict = [defaultParams mutableCopy];
   for (NSString *key in [defaultParams allKeys]) {
      if ([defaultParams[key] isEqual:[NSNull null]] || [defaultParams[key] isEqual:@""]) {
         [mutableDict removeObjectForKey:key];
         NSLog(@" ✕ %@", key);
      }
      else if([defaultParams[key] isKindOfClass:[NSDictionary class]]) {
         standardlizeParams(defaultParams[key]);
      }
   }
   defaultParams = [mutableDict copy];
}

void standardlizeArray(NSArray* array) {
   for (int i = 0; i < array.count; i++) {
      if([array[i] isKindOfClass:[NSArray class]]) {
         standardlizeArray(array[i]);
      } else if([array[i] isKindOfClass:[NSDictionary class]]) {
         standardlizeParams(array[i]);
      }
   }
}