fix(checkpoint): don't throw in MemorySaver.list if thread not found (#…

…584)
langchain-ai · Oct 17, 2024 · d05f3a0 · d05f3a0
1 parent c47436e
commit d05f3a0
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/libs/checkpoint/src/memory.ts b/libs/checkpoint/src/memory.ts
@@ -178,7 +178,9 @@ export class MemorySaver extends BaseCheckpointSaver {
     const configCheckpointNamespace = config.configurable?.checkpoint_ns;
 
     for (const threadId of threadIds) {
-      for (const checkpointNamespace of Object.keys(this.storage[threadId])) {
+      for (const checkpointNamespace of Object.keys(
+        this.storage[threadId] ?? {}
+      )) {
         if (
           configCheckpointNamespace !== undefined &&
           checkpointNamespace !== configCheckpointNamespace