work around inspector redbox due to Fiber

fkgozali · facebook-github-bot · commit fa34035defbf · 2017-02-21T15:45:45.000-08:00
Summary: This temporarily fixes redbox when using Inspector before Fiber is fully ready.

Reviewed By: sebmarkbage

Differential Revision: D4593324

fbshipit-source-id: 287df97f5ecf30c15890f7f7bca4646421bb41c8
diff --git a/Libraries/Inspector/InspectorUtils.js b/Libraries/Inspector/InspectorUtils.js
@@ -21,7 +21,7 @@ function traverseOwnerTreeUp(hierarchy, instance) {
 
 function findInstanceByNativeTag(nativeTag) {
   var instance = ReactNativeComponentTree.getInstanceFromNode(nativeTag);
-  if (typeof instance.tag === 'number') {
+  if (!instance || typeof instance.tag === 'number') {
     // TODO(sema): We've disabled the inspector when using Fiber. Fix #15953531
     return null;
   }

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,7 @@ function traverseOwnerTreeUp(hierarchy, instance) {`
`21`	`21`
`22`	`22`	`function findInstanceByNativeTag(nativeTag) {`
`23`	`23`	`var instance = ReactNativeComponentTree.getInstanceFromNode(nativeTag);`
`24`		`- if (typeof instance.tag === 'number') {`
	`24`	`+ if (!instance \|\| typeof instance.tag === 'number') {`
`25`	`25`	`// TODO(sema): We've disabled the inspector when using Fiber. Fix #15953531`
`26`	`26`	`return null;`
`27`	`27`	`}`