From: Jay Freeman (saurik) <saurik@saurik.com>
Date: Sun, 18 Oct 2009 06:16:30 +0000 (+0000)
Subject: CYJSObject objectForKey: should be returning nil for undefined keys.
X-Git-Tag: v0.9.432~326
X-Git-Url: https://git.saurik.com/cycript.git/commitdiff_plain/d0a0019668cc7eef8f5cbc5d2c6e7dbbc1522da6?ds=inline

CYJSObject objectForKey: should be returning nil for undefined keys.
---

diff --git a/Library.mm b/Library.mm
index 8116d53..92e43ed 100644
--- a/Library.mm
+++ b/Library.mm
@@ -1434,7 +1434,10 @@ bool CYIsCallable(JSContextRef context, JSValueRef value) {
 }
 
 - (id) objectForKey:(id)key {
-    return CYCastNSObject(NULL, context_, CYGetProperty(context_, object_, CYJSString(key))) ?: [NSNull null];
+    JSValueRef value(CYGetProperty(context_, object_, CYJSString(key)));
+    if (JSValueIsUndefined(context_, value))
+        return nil;
+    return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
 }
 
 - (NSEnumerator *) keyEnumerator {