Merge pull request #3169 from jsfb/mount-into-shadowdom

Allow rendering into document fragments. Fixes #840

Author: jimfb

src/browser/ui/ReactMount.js

@@ -41,6 +41,7 @@ var nodeCache = {};
 
 var ELEMENT_NODE_TYPE = 1;
 var DOC_NODE_TYPE = 9;
+var DOCUMENT_FRAGMENT_NODE_TYPE = 11;
 
 /** Mapping from reactRootID to React component instance. */
 var instancesByReactRootID = {};
@@ -355,7 +356,8 @@ var ReactMount = {
     invariant(
       container && (
         container.nodeType === ELEMENT_NODE_TYPE ||
-        container.nodeType === DOC_NODE_TYPE
+        container.nodeType === DOC_NODE_TYPE ||
+        container.nodeType === DOCUMENT_FRAGMENT_NODE_TYPE
       ),
       '_registerComponent(...): Target container is not a DOM element.'
     );
@@ -590,7 +592,8 @@ var ReactMount = {
     invariant(
       container && (
         container.nodeType === ELEMENT_NODE_TYPE ||
-        container.nodeType === DOC_NODE_TYPE
+        container.nodeType === DOC_NODE_TYPE ||
+        container.nodeType === DOCUMENT_FRAGMENT_NODE_TYPE
       ),
       'unmountComponentAtNode(...): Target container is not a DOM element.'
     );
@@ -801,7 +804,8 @@ var ReactMount = {
     invariant(
       container && (
         container.nodeType === ELEMENT_NODE_TYPE ||
-          container.nodeType === DOC_NODE_TYPE
+        container.nodeType === DOC_NODE_TYPE ||
+        container.nodeType === DOCUMENT_FRAGMENT_NODE_TYPE
       ),
       'mountComponentIntoNode(...): Target container is not valid.'
     );