From 2dadf2e42bb4652c549e01c6a2d01c6a6def5ce0 Mon Sep 17 00:00:00 2001
From: Henry Heng <henryheng@flowiseai.com>
Date: Fri, 26 Jul 2024 00:46:54 +0100
Subject: [PATCH] Bugfix/undefined returned by agent for lowercase (#2885)

fix undefined returned by agent for lowercase
---
 packages/components/src/agents.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/components/src/agents.ts b/packages/components/src/agents.ts
index c09e03c66..f464a6742 100644
--- a/packages/components/src/agents.ts
+++ b/packages/components/src/agents.ts
@@ -339,7 +339,7 @@ export class AgentExecutor extends BaseChain<ChainValues, AgentExecutorOutput> {
     }
 
     async _call(inputs: ChainValues, runManager?: CallbackManagerForChainRun): Promise<AgentExecutorOutput> {
-        const toolsByName = Object.fromEntries(this.tools.map((t) => [t.name.toLowerCase(), t]))
+        const toolsByName = Object.fromEntries(this.tools.map((t) => [t.name?.toLowerCase(), t]))
 
         const steps: AgentStep[] = []
         let iterations = 0
@@ -608,7 +608,7 @@ export class AgentExecutor extends BaseChain<ChainValues, AgentExecutorOutput> {
 
     async _getToolReturn(nextStepOutput: AgentStep): Promise<AgentFinish | null> {
         const { action, observation } = nextStepOutput
-        const nameToolMap = Object.fromEntries(this.tools.map((t) => [t.name.toLowerCase(), t]))
+        const nameToolMap = Object.fromEntries(this.tools.map((t) => [t.name?.toLowerCase(), t]))
         const [returnValueKey = 'output'] = this.agent.returnValues
         // Invalid tools won't be in the map, so we return False.
         if (action.tool in nameToolMap) {