Merge pull request #24 from FlowTestAI/use-diff-inmemory-vectorstore

ft-98: use a different in-memory vector store than hnswlib

Author: jsajal

server/package.json

@@ -32,10 +32,10 @@
     "@apidevtools/swagger-parser": "^10.1.0",
     "@langchain/community": "^0.0.16",
     "@langchain/openai": "^0.0.11",
+    "cheminfo-types": "^1.7.2",
     "cors": "^2.8.5",
     "dotenv": "^16.3.1",
     "express": "^4.17.1",
-    "hnswlib-node": "^1.4.2",
     "json-refs": "^3.0.15",
     "langchain": "^0.1.2",
     "multer": "^1.4.5-lts.1",

server/src/flowtest-ai.ts

@@ -3,7 +3,7 @@ import JsonRefs from 'json-refs'
 import OpenAI from 'openai';
 import dotenv from 'dotenv';
 import * as fs from 'fs';
-import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { OpenAIEmbeddings } from "@langchain/openai";
 
 dotenv.config();
@@ -91,7 +91,7 @@ class FlowtestAI {
 
         const documents = chunks.map((chunk) => JSON.stringify(chunk));
 
-        const vectorStore = await HNSWLib.fromTexts(
+        const vectorStore = await MemoryVectorStore.fromTexts(
             documents,
             [],
             new OpenAIEmbeddings({

src/home/FlowTestAI.js

@@ -104,7 +104,7 @@ const FlowTestAI = () => {
                 }
                 navigate('/flow', {state: initialNodes})
             } catch (err) {
-                enqueueSnackbar(`Failed to create flowtest: ${err}`, { variant: 'error'});
+                enqueueSnackbar(`Failed to create flowtest: ${JSON.stringify(err)}`, { variant: 'error'});
             }
         //   setFlowTest(createdFlowTest)
         //   setIsDirty(false)