Updates for re-pub (langchain-ai#269)

* Updates for re-pub

* rm js backend

* cr

.gitignore

@@ -143,3 +143,11 @@ bin/
 pyvenv.cfg
 node_modules/
 .envrc
+
+.yarn/*
+.yarn/install-state.gz
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

README.md

@@ -1,10 +1,12 @@
 # 🦜️🔗 Chat LangChain
 
-This repo is an implementation of a locally hosted chatbot specifically focused on question answering over the [LangChain documentation](https://langchain.readthedocs.io/en/latest/).
-Built with [LangChain](https://github.com/hwchase17/langchain/), [FastAPI](https://fastapi.tiangolo.com/), and [Next.js](https://nextjs.org).
+This repo is an implementation of a locally hosted chatbot specifically focused on question answering over the [LangChain documentation](https://python.langchain.com/).
+Built with [LangChain](https://github.com/langchain-ai/langchain/), [FastAPI](https://fastapi.tiangolo.com/), and [Next.js](https://nextjs.org).
 
 Deployed version: [chat.langchain.com](https://chat.langchain.com)
 
+> Looking for the JS version? Click [here](https://github.com/langchain-ai/chat-langchainjs).
+
 The app leverages LangChain's streaming support and async API to update the page in real time for multiple users.
 
 ## ✅ Running locally
@@ -29,13 +31,6 @@ export LANGCHAIN_PROJECT=
 1. Run the frontend with `yarn dev` for frontend.
 1. Open [localhost:3000](http://localhost:3000) in your browser.
 
-## ☕ Running locally (JS backend)
-1. Follow the first three steps above to ingest LangChain docs data into the vectorstore.
-1. Install frontend dependencies by running `cd chat-langchain`, then `yarn`.
-1. Populate a `chat-langchain/.env.local` file with your own versions of keys from the `chat-langchain/.env.example` file, and set `NEXT_PUBLIC_API_BASE_URL` to `"http://localhost:3000/api"`.
-1. Run the app with `yarn dev`.
-1. Open [localhost:3000](http://localhost:3000) in your browser.
-
 ## 📚 Technical description
 
 There are two components: ingestion and question-answering.

chat-langchain/.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

chat-langchain/app/components/ChatWindow.tsx

@@ -2,7 +2,7 @@
 
 import React, { useEffect, useRef, useState } from "react";
 import { useSearchParams } from "next/navigation";
-import { RemoteRunnable } from "langchain/runnables/remote";
+import { RemoteRunnable } from "@langchain/core/runnables/remote";
 import { applyPatch } from "@langchain/core/utils/json_patch";
 
 import { EmptyState } from "../components/EmptyState";