From b432b2717bf72ed493a4d05518f127f9f09da453 Mon Sep 17 00:00:00 2001
From: George Fu <georgfu@amazon.com>
Date: Thu, 7 Apr 2022 16:48:17 -0400
Subject: [PATCH] check for pagination stopOnSameToken option

---
 .../amazon/smithy/typescript/codegen/PaginationGenerator.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/PaginationGenerator.java b/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/PaginationGenerator.java
index e50df865418..cdb9c9483d9 100644
--- a/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/PaginationGenerator.java
+++ b/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/PaginationGenerator.java
@@ -202,9 +202,9 @@ private void writePager() {
                 });
 
                 writer.write("yield page;");
+                writer.write("const prevToken = token;");
                 writer.write("token = page$L;", destructurePath(outputTokenName));
-
-                writer.write("hasNext = !!(token);");
+                writer.write("hasNext = !!(token && (!config.stopOnSameToken || token !== prevToken));");
             });
 
             writer.write("// @ts-ignore");