From 9fa9667a937f3a2980be85489e23febf9282e896 Mon Sep 17 00:00:00 2001
From: Ben Roth <spongebucket@gmail.com>
Date: Mon, 4 Dec 2017 17:25:48 -0800
Subject: [PATCH] Fix crash when passing wrong type to percentage prop

---
 ios/Utils/RNSVGPercentageConverter.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ios/Utils/RNSVGPercentageConverter.m b/ios/Utils/RNSVGPercentageConverter.m
index 62c9b3aa..5d3e5815 100644
--- a/ios/Utils/RNSVGPercentageConverter.m
+++ b/ios/Utils/RNSVGPercentageConverter.m
@@ -47,6 +47,9 @@ static NSRegularExpression* percentageRegExp;
 
 + (BOOL)isPercentage:(NSString *) string
 {
+    if (![string isKindOfClass:[NSString class]]) {
+      return NO;
+    }
     return [percentageRegExp firstMatchInString:string options:0 range:NSMakeRange(0, [string length])] != nil;
 }