feat:add reusable in groupnode for iOS

iOS/Pod/Classes/Shader/DoricGroupNode.h

@@ -25,6 +25,7 @@
 NS_ASSUME_NONNULL_BEGIN
 
 @interface DoricGroupNode <V:UIView *> : DoricSuperNode<V>
+@property(nonatomic, assign) BOOL reusable;
 @end
 
 NS_ASSUME_NONNULL_END

iOS/Pod/Classes/Shader/DoricGroupNode.m

@@ -34,6 +34,7 @@ - (instancetype)initWithContext:(DoricContext *)doricContext {
     if (self = [super initWithContext:doricContext]) {
         _childNodes = @[];
         _childViewIds = @[];
+        _reusable = NO;
     }
     return self;
 }
@@ -72,6 +73,26 @@ - (void)configChildNodes {
             DoricViewNode *oldNode = childNodes[idx];
             if ([viewId isEqualToString:oldNode.viewId]) {
                 ///Same,skip
+            } else {
+                if (self.reusable) {
+                    if ([oldNode.type isEqualToString:type]) {
+                        ///Same type,can be reused
+                        oldNode.viewId = viewId;
+                        [oldNode blend:model[@"props"]];
+                    } else {
+                        ///Replace this view
+                        [childNodes removeObjectAtIndex:idx];
+                        [oldNode.view removeFromSuperview];
+                        DoricViewNode *viewNode = [DoricViewNode create:self.doricContext withType:type];
+                        if ([viewNode isKindOfClass:[DoricGroupNode class]]) {
+                            ((DoricGroupNode *) viewNode).reusable = self.reusable;
+                        }
+                        viewNode.viewId = viewId;
+                        [viewNode initWithSuperNode:self];
+                        [viewNode blend:model[@"props"]];
+                        [childNodes insertObject:viewNode atIndex:idx];
+                        [self.view insertSubview:viewNode.view atIndex:idx];
+                    }
                 } else {
                     ///Find in remain nodes
                     NSInteger position = -1;
@@ -105,11 +126,13 @@ - (void)configChildNodes {
                         [self.view insertSubview:viewNode.view atIndex:idx];
                     }
                 }
-
+            }
-
         } else {
             /// Insert
             DoricViewNode *viewNode = [DoricViewNode create:self.doricContext withType:type];
+            if ([viewNode isKindOfClass:[DoricGroupNode class]]) {
+                ((DoricGroupNode *) viewNode).reusable = self.reusable;
+            }
             viewNode.viewId = viewId;
             [viewNode initWithSuperNode:self];
             [viewNode blend:model[@"props"]];

iOS/Pod/Classes/Shader/DoricViewNode.h

@@ -30,12 +30,13 @@ NS_ASSUME_NONNULL_BEGIN
 @interface DoricViewNode <V:UIView *> : DoricContextHolder
 
 @property(nonatomic, strong) V view;
-
 @property(nonatomic, weak) DoricSuperNode *superNode;
 @property(nonatomic) NSInteger index;
 
 @property(nonatomic, copy) NSString *viewId;
 
+@property(nonatomic, copy) NSString *type;
+
 @property(nonatomic, readonly) DoricLayoutConfig *layoutConfig;
 
 @property(nonatomic, readonly) NSArray<NSString *> *idList;

iOS/Pod/Classes/Shader/DoricViewNode.m

@@ -211,7 +211,9 @@ - (DoricAsyncResult *)callJSResponse:(NSString *)funcId, ... {
 + (__kindof DoricViewNode *)create:(DoricContext *)context withType:(NSString *)type {
     DoricRegistry *registry = context.driver.registry;
     Class clz = [registry acquireViewNode:type];
-    return [(DoricViewNode *) [clz alloc] initWithContext:context];
+    DoricViewNode *viewNode = [(DoricViewNode *) [clz alloc] initWithContext:context];
+    viewNode.type = type;
+    return viewNode;
 }
 
 - (void)requestLayout {