From 8e2134beee2b174ea9cd16ba1d2f5d50aaea1ead Mon Sep 17 00:00:00 2001
From: Brian Vaughn <bvaughn@fb.com>
Date: Sun, 28 Jul 2019 08:42:21 -0700
Subject: [PATCH] Re-add try/catch inside Agent's getIDForNode()

---
 src/backend/agent.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/backend/agent.js b/src/backend/agent.js
index b23369b0f2..a711080827 100644
--- a/src/backend/agent.js
+++ b/src/backend/agent.js
@@ -189,10 +189,14 @@ export default class Agent extends EventEmitter<{|
         (rendererID: any)
       ]: any): RendererInterface);
 
-      const id = renderer.getFiberIDForNative(node, true);
-
-      if (id !== null) {
-        return id;
+      try {
+        const id = renderer.getFiberIDForNative(node, true);
+        if (id !== null) {
+          return id;
+        }
+      } catch (error) {
+        // Some old React versions might throw if they can't find a match.
+        // If so we should ignore it...
       }
     }
     return null;