Only run tabbing logic on docs that contain blocks

Summary: Builds upon #14212 Closes #14213 Differential Revision: D5149113 Pulled By: hramos fbshipit-source-id: 99684bbb3bcae0e6061641373c6af7446729d7bd
facebook · May 30, 2017 · ffa76d0 · ffa76d0
1 parent b302bec
commit ffa76d0
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/website/src/react-native/js/scripts.js b/website/src/react-native/js/scripts.js
@@ -202,6 +202,10 @@
   }
 
   function guessPlatformAndOS() {
+    if (!document.querySelector('block')) {
+      return;
+    }
+
     // If we are coming to the page with a hash in it (i.e. from a search, for example), try to get
     // us as close as possible to the correct platform and dev os using the hashtag and block walk up.
     var foundHash = false;