/* * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ #import @implementation RCTSubtractionAnimatedNode - (void)performUpdate { [super performUpdate]; NSArray *inputNodes = self.config[@"input"]; if (inputNodes.count > 1) { RCTValueAnimatedNode *parent1 = (RCTValueAnimatedNode *)[self.parentNodes objectForKey:inputNodes[0]]; RCTValueAnimatedNode *parent2 = (RCTValueAnimatedNode *)[self.parentNodes objectForKey:inputNodes[1]]; if ([parent1 isKindOfClass:[RCTValueAnimatedNode class]] && [parent2 isKindOfClass:[RCTValueAnimatedNode class]]) { self.value = parent1.value - parent2.value; } } } @end