From 334e646d7b42e742d8a4ad42c60bc7609c746e5b Mon Sep 17 00:00:00 2001
From: Scott Kyle <scott@appden.com>
Date: Thu, 7 Jan 2016 15:18:27 -0800
Subject: [PATCH 1/2] Error message when RealmReact framework is missing

Fixes #190
---
 lib/index.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/index.js b/lib/index.js
index 46ad49c6..f8cde9e4 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -6,6 +6,8 @@
 
 if (typeof Realm != 'undefined') {
     module.exports = Realm;  // eslint-disable-line no-undef
-} else {
+} else if (navigator.userAgent) {
     module.exports = require('./realm');
+} else {
+    throw new Error('Missing Realm constructor - please ensure RealmReact framework is included!');
 }

From 7202994482172af071dad98d622160e237a132e9 Mon Sep 17 00:00:00 2001
From: Scott Kyle <scott@appden.com>
Date: Fri, 8 Jan 2016 15:54:30 -0800
Subject: [PATCH 2/2] Add comments to explain checking for userAgent

---
 lib/index.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/index.js b/lib/index.js
index f8cde9e4..8caaa960 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -5,8 +5,10 @@
 'use strict';
 
 if (typeof Realm != 'undefined') {
+    // The global Realm constructor should be available on device (using JavaScriptCore).
     module.exports = Realm;  // eslint-disable-line no-undef
 } else if (navigator.userAgent) {
+    // The userAgent will be defined when running in a browser (such as Chrome debugging mode).
     module.exports = require('./realm');
 } else {
     throw new Error('Missing Realm constructor - please ensure RealmReact framework is included!');