Update outputParser.ts - Fix TypeError (langchain-ai#1674)

* Update outputParser.ts - Fix TypeError TypeError: Cannot read properties of undefined (reading 'trim') langchain-ai#1673 * Format --------- Co-authored-by: Nuno Campos <[email protected]>
macalinao · Jun 23, 2023 · fb0ae6d · fb0ae6d
1 parent 9721754
commit fb0ae6d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/langchain/src/agents/mrkl/outputParser.ts b/langchain/src/agents/mrkl/outputParser.ts
@@ -33,7 +33,9 @@ export class ZeroShotAgentOutputParser extends AgentActionOutputParser {
 
     return {
       tool: match[1].trim(),
-      toolInput: match[2].trim().replace(/^("+)(.*?)(\1)$/, "$2") ?? "",
+      toolInput: match[2]
+        ? match[2].trim().replace(/^("+)(.*?)(\1)$/, "$2")
+        : "",
       log: text,
     };
   }