Made a DataStorage for live editing in flipper

Summary: Theadsafe Data Storage for new insets in CKInsetComponent

Reviewed By: kevin0571

Differential Revision: D16338091

fbshipit-source-id: 3b77652a4d08cfebce115a606af3fc3440a1aca0

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.h

@@ -0,0 +1,16 @@
+/*
+ * 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 <ComponentKit/CKTreeNodeTypes.h>
+
+ /** DataStorage uses to map global IDs of nodes to data which we want to store
+to prodice live editing*/
+@interface FKDataStorageForLiveEditing : NSObject
+
+- (id)dataForTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier;
+- (void)setData:(id)value forTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier;
+
+@end

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.mm

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+/*
+ * 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 "FKDataStorageForLiveEditing.h"
+#import <ComponentKit/CKComponentScopeTypes.h>
+#import <mutex>
+
+@implementation FKDataStorageForLiveEditing {
+  std::unordered_map<CKTreeNodeIdentifier, id> _data;
+  std::mutex _mutex;
+}
+
+- (void)setData:(id)value forTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier {
+  std::lock_guard<std::mutex> lock(_mutex);
+  _data[treeNodeIdentifier] = value;
+}
+
+- (id)dataForTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier {
+  std::lock_guard<std::mutex> lock(_mutex);
+  return (_data.count(treeNodeIdentifier) ? _data[treeNodeIdentifier] : nil);
+}
+
+@end