From f28e931f78304099e59bed46ed166ba43c941d02 Mon Sep 17 00:00:00 2001
From: Jason Freeman <jfreeman@microsoft.com>
Date: Wed, 17 Sep 2014 16:37:28 -0700
Subject: [PATCH] Create SignatureHelpParameters

---
 src/services/services.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/services/services.ts b/src/services/services.ts
index 0117af0ab7..3f69971d8e 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -3551,7 +3551,10 @@ module ts {
 
             function getSignatureHelpItemsFromCandidateInfo(candidates: Signature[], bestSignature: Signature, argumentListOrTypeArgumentList: Node): SignatureHelpItems {
                 var items = map(candidates, candidateSignature => {
-                    return new SignatureHelpItem(false, "", "", "", new Array<SignatureHelpParameter>(candidateSignature.parameters.length), "");
+                    var parameterHelpItems = candidateSignature.parameters.length === 0 ? emptyArray : map(candidateSignature.parameters, p => {
+                        return new SignatureHelpParameter(p.name, "", "", false);
+                    });
+                    return new SignatureHelpItem(false, "", "", "", parameterHelpItems, "");
                 });
                 var selectedItemIndex = candidates.indexOf(bestSignature);
                 if (selectedItemIndex < 0) {