From e4905f438a59b93f53b2564cb385ecf2f2a6430f Mon Sep 17 00:00:00 2001
From: Nuno Campos <nuno@langchain.dev>
Date: Thu, 1 Aug 2024 09:43:16 -0700
Subject: [PATCH] Fix create entrypoints script

---
 libs/sdk-js/.gitignore                    |  2 ++
 libs/sdk-js/scripts/create-entrypoints.js | 14 +++++++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/libs/sdk-js/.gitignore b/libs/sdk-js/.gitignore
index a43bf2e13..4b85d8c2a 100644
--- a/libs/sdk-js/.gitignore
+++ b/libs/sdk-js/.gitignore
@@ -1,4 +1,5 @@
 /docs
+## GENERATED create-entrypoints.js
 /client.cjs
 /client.js
 /client.d.ts
@@ -7,3 +8,4 @@
 /index.js
 /index.d.ts
 /index.d.cts
+## END GENERATED create-entrypoints.js
diff --git a/libs/sdk-js/scripts/create-entrypoints.js b/libs/sdk-js/scripts/create-entrypoints.js
index 69af43c6d..63ddd2ce9 100644
--- a/libs/sdk-js/scripts/create-entrypoints.js
+++ b/libs/sdk-js/scripts/create-entrypoints.js
@@ -97,11 +97,15 @@ const updateConfig = () => {
   const endMarker = "## END GENERATED create-entrypoints.js";
   const startIdx = lines.findIndex((line) => line.includes(startMarker));
   const endIdx = lines.findIndex((line) => line.includes(endMarker));
-  const newLines = [
-    ...lines.slice(0, startIdx + 1),
-    ...filenames.map((fname) => `/${fname}`),
-    ...lines.slice(endIdx),
-  ];
+  const newLines = lines.slice(0, startIdx + 1);
+  if (startIdx === -1) {
+    newLines.push(startMarker);
+  }
+  newLines.push(...filenames.map((fname) => `/${fname}`));
+  if (endIdx === -1) {
+    newLines.push(endMarker);
+  }
+  newLines.push(...lines.slice(endIdx));
   fs.writeFileSync("./.gitignore", newLines.join("\n"));
 };