Merge pull request #2504 from aws-samples/dependabot/npm_and_yarn/app…

…sync-bedrock-subscriptions-cdk/npm_and_yarn-f0f0139a0e

Bump langchain from 0.0.169 to 0.3.5 in /appsync-bedrock-subscriptions-cdk in the npm_and_yarn group across 1 directory

appsync-bedrock-subscriptions-cdk/package.json

@@ -17,6 +17,7 @@
     "@aws-sdk/protocol-http": "^3.374.0",
     "@aws-sdk/signature-v4": "^3.374.0",
     "@types/aws-lambda": "^8.10.125",
+    "@types/jest": "^29.5.14",
     "@types/node": "18.14.6",
     "aws-cdk": "2.70.0",
     "jest": "^29.5.0",
@@ -25,13 +26,14 @@
   },
   "dependencies": {
     "@aws-sdk/client-bedrock-runtime": "^3.431.0",
+    "@langchain/community": "^0.3.11",
     "@smithy/eventstream-codec": "^2.0.12",
     "@smithy/protocol-http": "^3.0.8",
     "@smithy/signature-v4": "^2.0.12",
     "@smithy/util-utf8": "^2.0.0",
     "aws-cdk-lib": "2.80.0",
     "babel-jest": "^29.7.0",
     "constructs": "^10.0.0",
-    "langchain": "^0.0.169"
+    "langchain": "^0.3.5"
   }
-}
+}

appsync-bedrock-subscriptions-cdk/src/ask.ts

@@ -1,7 +1,7 @@
-import { AppSyncResolverEvent } from 'aws-lambda'
-import { ChatBedrock } from 'langchain/chat_models/bedrock'
-import { AppSyncRequestIAM } from "./appsyncRequest"
-import { StringOutputParser } from "langchain/schema/output_parser";
+import { AppSyncResolverEvent } from "aws-lambda";
+import { ChatBedrock } from "@langchain/community/chat_models/bedrock";
+import { AppSyncRequestIAM } from "./appsyncRequest";
+import { StringOutputParser } from "@langchain/core/output_parsers";
 const GRAPHQL_URL = process.env.GRAPHQL_URL || "";
 const REGION = process.env.REGION || 'us-east-1';
 
@@ -39,4 +39,4 @@ exports.handler = async (event: AppSyncResolverEvent<{ chatId: string, prompt: s
             }
         })
     }
-}
+  }