From 9012e98ba7538cd8286f703733ec0867b48db1b0 Mon Sep 17 00:00:00 2001
From: Nicolas Gallagher <nicolasgallagher@gmail.com>
Date: Fri, 21 Apr 2017 18:29:29 -0700
Subject: [PATCH] [fix] support 'mailto:' URLs in 'Linking'

---
 src/apis/Linking/index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/apis/Linking/index.js b/src/apis/Linking/index.js
index c2e9ecfd..7c6a24b3 100644
--- a/src/apis/Linking/index.js
+++ b/src/apis/Linking/index.js
@@ -28,6 +28,7 @@ const Linking = {
  * https://mathiasbynens.github.io/rel-noopener/
  */
 const iframeOpen = url => {
+  const noOpener = url.indexOf('mailto:') !== 0;
   const iframe = document.createElement('iframe');
   iframe.style.display = 'none';
   document.body.appendChild(iframe);
@@ -36,7 +37,7 @@ const iframeOpen = url => {
   const script = iframeDoc.createElement('script');
   script.text = `
     window.parent = null; window.top = null; window.frameElement = null;
-    var child = window.open("${url}"); child.opener = null;
+    var child = window.open("${url}"); ${noOpener && 'child.opener = null'};
   `;
   iframeDoc.body.appendChild(script);
   document.body.removeChild(iframe);