Fix React detection

wooorm · wooorm · commit cceb30eb7459 · 2016-07-11T23:46:42.000+02:00
Related to remarkjs/remark-react#21.
diff --git a/index.js b/index.js
@@ -60,7 +60,7 @@ function hyperscript(h) {
 function react(h) {
     var node = h && h('div');
 
-    return node && node._store && node._owner == null;
+    return node && node._store && node.key == null;
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -60,7 +60,7 @@ function hyperscript(h) {`
`60`	`60`	`function react(h) {`
`61`	`61`	`var node = h && h('div');`
`62`	`62`
`63`		`- return node && node._store && node._owner == null;`
	`63`	`+ return node && node._store && node.key == null;`
`64`	`64`	`}`
`65`	`65`
`66`	`66`	`/**`