Revert "Merge pull request facebook#5689 from jimfb/cleanup-5151"

This reverts commit 067547c, reversing
changes made to 102cd29.

src/renderers/dom/shared/ReactDOMComponent.js

@@ -1009,6 +1009,10 @@ ReactDOMComponent.Mixin = {
     }
   },
 
+  getNativeNode: function() {
+    return getNode(this);
+  },
+
   /**
    * Destroys all event registrations for this instance. Does not remove from
    * the DOM. That must be done by the parent.
@@ -1053,15 +1057,13 @@ ReactDOMComponent.Mixin = {
         break;
     }
 
-    var nativeNode = getNode(this);
     this.unmountChildren();
     ReactDOMComponentTree.uncacheNode(this);
     EventPluginHub.deleteAllListeners(this);
     ReactComponentBrowserEnvironment.unmountIDFromEnvironment(this._rootNodeID);
     this._rootNodeID = null;
     this._domID = null;
     this._wrapperState = null;
-    return nativeNode;
   },
 
   getPublicInstance: function() {

src/renderers/dom/shared/ReactDOMEmptyComponent.js

@@ -57,10 +57,11 @@ assign(ReactDOMEmptyComponent.prototype, {
   },
   receiveComponent: function() {
   },
+  getNativeNode: function() {
+    return ReactDOMComponentTree.getNodeFromInstance(this);
+  },
   unmountComponent: function() {
-    var node = ReactDOMComponentTree.getNodeFromInstance(this);
     ReactDOMComponentTree.uncacheNode(this);
-    return node;
   },
 });
 

src/renderers/dom/shared/ReactDOMTextComponent.js

@@ -137,10 +137,13 @@ assign(ReactDOMTextComponent.prototype, {
       }
     }
   },
+
+  getNativeNode: function() {
+    return getNode(this);
+  },
+
   unmountComponent: function() {
-    var node = getNode(this);
     ReactDOMComponentTree.uncacheNode(this);
-    return node;
   },
 
 });

src/renderers/shared/reconciler/ReactCompositeComponent.js

@@ -370,6 +370,10 @@ var ReactCompositeComponentMixin = {
     return markup;
   },
 
+  getNativeNode: function() {
+    return ReactReconciler.getNativeNode(this._renderedComponent);
+  },
+
   /**
    * Releases any resources allocated by `mountComponent`.
    *
@@ -384,7 +388,7 @@ var ReactCompositeComponentMixin = {
     }
 
     if (this._renderedComponent) {
-      var unmountedNativeNode = ReactReconciler.unmountComponent(this._renderedComponent);
+      ReactReconciler.unmountComponent(this._renderedComponent);
       this._renderedNodeType = null;
       this._renderedComponent = null;
       this._instance = null;
@@ -415,7 +419,6 @@ var ReactCompositeComponentMixin = {
     // TODO: inst.props = null;
     // TODO: inst.state = null;
     // TODO: inst.context = null;
-    return unmountedNativeNode;
   },
 
   /**
@@ -803,7 +806,15 @@ var ReactCompositeComponentMixin = {
         this._processChildContext(context)
       );
     } else {
-      var oldNativeNode = ReactReconciler.unmountComponent(prevComponentInstance);
+      // TODO: This is currently necessary due to the unfortunate caching
+      // that ReactMount does which makes it exceedingly difficult to unmount
+      // a set of siblings without accidentally repopulating the node cache (see
+      // #5151). Once ReactMount no longer stores the nodes by ID, this method
+      // can go away.
+      var oldNativeNode = ReactReconciler.getNativeNode(prevComponentInstance);
+
+      ReactReconciler.unmountComponent(prevComponentInstance);
+
       this._renderedNodeType = ReactNodeTypes.getType(nextRenderedElement);
       this._renderedComponent = this._instantiateReactComponent(
         nextRenderedElement

src/renderers/shared/reconciler/ReactReconciler.js

@@ -54,6 +54,14 @@ var ReactReconciler = {
     return markup;
   },
 
+  /**
+   * Returns a value that can be passed to
+   * ReactComponentEnvironment.replaceNodeWithMarkup.
+   */
+  getNativeNode: function(internalInstance) {
+    return internalInstance.getNativeNode();
+  },
+
   /**
    * Releases any resources allocated by `mountComponent`.
    *

src/renderers/shared/reconciler/ReactSimpleEmptyComponent.js

@@ -38,6 +38,9 @@ assign(ReactSimpleEmptyComponent.prototype, {
   },
   receiveComponent: function() {
   },
+  getNativeNode: function() {
+    return ReactReconciler.getNativeNode(this._renderedComponent);
+  },
   unmountComponent: function() {
     ReactReconciler.unmountComponent(this._renderedComponent);
     this._renderedComponent = null;

src/renderers/shared/reconciler/instantiateReactComponent.js

@@ -104,6 +104,7 @@ function instantiateReactComponent(node) {
       typeof instance.construct === 'function' &&
       typeof instance.mountComponent === 'function' &&
       typeof instance.receiveComponent === 'function' &&
+      typeof instance.getNativeNode === 'function' &&
       typeof instance.unmountComponent === 'function',
       'Only React Components can be mounted.'
     );

src/test/ReactTestUtils.js

@@ -381,6 +381,10 @@ NoopInternalComponent.prototype = {
     this._currentElement = element;
   },
 
+  getNativeNode: function() {
+    return undefined;
+  },
+
   unmountComponent: function() {
   },