Fixes for clock and 'defined' node

Author: kmagiera

Example/ios/GestureHandler.xcodeproj/xcshareddata/xcschemes/GestureHandler.xcscheme

@@ -54,7 +54,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -84,7 +83,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

Example/ios/GestureHandler/NativeAnimation/Nodes/REAClockNodes.m

@@ -30,7 +30,6 @@ - (void)start
 
   weak_animationClb = animationClb = ^(CADisplayLink *displayLink) {
     if (!weakSelf.isRunning) return;
-    weakSelf.lastTimestampMs = @(displayLink.timestamp * 1000.);
     [weakSelf markUpdated];
     [weakSelf.nodesManager postOnAnimation:weak_animationClb];
   };
@@ -45,7 +44,7 @@ - (void)stop
 
 - (id)evaluate
 {
-  return _lastTimestampMs;
+  return @(self.nodesManager.currentAnimationTimestamp * 1000.);
 }
 
 @end

Example/ios/GestureHandler/NativeAnimation/Nodes/REAOperatorNode.m

@@ -64,7 +64,8 @@ - (instancetype)initWithID:(REANodeID)nodeID config:(NSDictionary<NSString *,id>
             @"not": REA_SINGLE(!a),
             @"defined": ^(NSArray<REANode *> *inputNodes) {
               id val = [inputNodes[0] value];
-              return @(val != nil && isnan([val doubleValue]));
+              id res = @(val != nil && !isnan([val doubleValue]));
+              return res;
             },
 
             // comparing

Example/ios/GestureHandler/NativeAnimation/Nodes/REAValueNode.m

@@ -16,7 +16,7 @@ - (instancetype)initWithID:(REANodeID)nodeID
 - (void)setValue:(NSNumber *)value
 {
   _value = value;
-  [self markUpdated];
+  [self forceUpdateMemoizedValue:value];
 }
 
 - (id)evaluate

Example/ios/GestureHandler/NativeAnimation/REANodesManager.h

@@ -13,6 +13,7 @@ typedef void (^REAAfterAnimationCallback)();
 
 @property (nonatomic, weak, nullable) RCTUIManager *uiManager;
 @property (nonatomic, weak, nullable) REAModule *reanimatedModule;
+@property (nonatomic, readonly) CFTimeInterval currentAnimationTimestamp;
 
 - (nonnull instancetype)initWithModule:(REAModule *)reanimatedModule
                              uiManager:(nonnull RCTUIManager *)uiManager;

Example/ios/GestureHandler/NativeAnimation/REANodesManager.m

@@ -81,6 +81,8 @@ - (void)stopUpdatingOnAnimationFrame
 
 - (void)onAnimationFrame:(CADisplayLink *)displayLink
 {
+  _currentAnimationTimestamp = displayLink.timestamp;
+
   // We process all enqueued events first
   for (NSUInteger i = 0; i < _eventQueue.count; i++) {
     id<RCTEvent> event = _eventQueue[i];