From a786a95844b28aaaff7c28dc95b0de594c6d8978 Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Mon, 7 Aug 2023 20:40:27 +0000
Subject: [PATCH] fix: pass empty hash to getRuntimeConfig if undefined

---
 .../typescript/codegen/ServiceBareBonesClientGenerator.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/ServiceBareBonesClientGenerator.java b/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/ServiceBareBonesClientGenerator.java
index 825f6d761d3..4c13f9019ab 100644
--- a/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/ServiceBareBonesClientGenerator.java
+++ b/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/ServiceBareBonesClientGenerator.java
@@ -340,7 +340,7 @@ private void generateConstructor() {
             writer.pushState(CLIENT_CONSTRUCTOR_SECTION);
 
             int configVariable = 0;
-            writer.write("let $L = __getRuntimeConfig(configuration);",
+            writer.write("let $L = __getRuntimeConfig(configuration || {});",
                     generateConfigVariable(configVariable));
 
             if (service.hasTrait(EndpointRuleSetTrait.class)) {