Fix: add pgvector support to NodeJS OSS VectorStoreFactory (fixes #3491) (#3997)

Co-authored-by: kartik-mem0 <kartik.labhshetwar@mem0.ai>

mem0-ts/src/oss/src/index.ts

@@ -26,4 +26,5 @@ export * from "./vector_stores/supabase";
 export * from "./vector_stores/langchain";
 export * from "./vector_stores/vectorize";
 export * from "./vector_stores/azure_ai_search";
+export * from "./vector_stores/pgvector";
 export * from "./utils/factory";

mem0-ts/src/oss/src/utils/factory.ts

@@ -34,6 +34,7 @@ import { LangchainLLM } from "../llms/langchain";
 import { LangchainEmbedder } from "../embeddings/langchain";
 import { LangchainVectorStore } from "../vector_stores/langchain";
 import { AzureAISearch } from "../vector_stores/azure_ai_search";
+import { PGVector } from "../vector_stores/pgvector";
 
 export class EmbedderFactory {
   static create(provider: string, config: EmbeddingConfig): Embedder {
@@ -104,6 +105,8 @@ export class VectorStoreFactory {
         return new VectorizeDB(config as any);
       case "azure-ai-search":
         return new AzureAISearch(config as any);
+      case "pgvector":
+        return new PGVector(config as any);
       default:
         throw new Error(`Unsupported vector store provider: ${provider}`);
     }