langchain[patch]: Readd dropped entrypoint (#5530)

* Fix memory entrypoint

* Update examples

Author: jacoblee93

environment_tests/test-exports-bun/src/entrypoints.js

@@ -24,6 +24,7 @@ export * from "langchain/embeddings/cache_backed";
 export * from "langchain/embeddings/fake";
 export * from "langchain/vectorstores/memory";
 export * from "langchain/text_splitter";
+export * from "langchain/memory";
 export * from "langchain/memory/index";
 export * from "langchain/memory/chat_memory";
 export * from "langchain/document";

environment_tests/test-exports-cf/src/entrypoints.js

@@ -24,6 +24,7 @@ export * from "langchain/embeddings/cache_backed";
 export * from "langchain/embeddings/fake";
 export * from "langchain/vectorstores/memory";
 export * from "langchain/text_splitter";
+export * from "langchain/memory";
 export * from "langchain/memory/index";
 export * from "langchain/memory/chat_memory";
 export * from "langchain/document";

environment_tests/test-exports-cjs/src/entrypoints.js

@@ -24,6 +24,7 @@ const embeddings_cache_backed = require("langchain/embeddings/cache_backed");
 const embeddings_fake = require("langchain/embeddings/fake");
 const vectorstores_memory = require("langchain/vectorstores/memory");
 const text_splitter = require("langchain/text_splitter");
+const memory = require("langchain/memory");
 const memory_index = require("langchain/memory/index");
 const memory_chat_memory = require("langchain/memory/chat_memory");
 const document = require("langchain/document");

environment_tests/test-exports-esbuild/src/entrypoints.js

@@ -24,6 +24,7 @@ import * as embeddings_cache_backed from "langchain/embeddings/cache_backed";
 import * as embeddings_fake from "langchain/embeddings/fake";
 import * as vectorstores_memory from "langchain/vectorstores/memory";
 import * as text_splitter from "langchain/text_splitter";
+import * as memory from "langchain/memory";
 import * as memory_index from "langchain/memory/index";
 import * as memory_chat_memory from "langchain/memory/chat_memory";
 import * as document from "langchain/document";

environment_tests/test-exports-esm/src/entrypoints.js

@@ -24,6 +24,7 @@ import * as embeddings_cache_backed from "langchain/embeddings/cache_backed";
 import * as embeddings_fake from "langchain/embeddings/fake";
 import * as vectorstores_memory from "langchain/vectorstores/memory";
 import * as text_splitter from "langchain/text_splitter";
+import * as memory from "langchain/memory";
 import * as memory_index from "langchain/memory/index";
 import * as memory_chat_memory from "langchain/memory/chat_memory";
 import * as document from "langchain/document";

environment_tests/test-exports-vercel/src/entrypoints.js

@@ -24,6 +24,7 @@ export * from "langchain/embeddings/cache_backed";
 export * from "langchain/embeddings/fake";
 export * from "langchain/vectorstores/memory";
 export * from "langchain/text_splitter";
+export * from "langchain/memory";
 export * from "langchain/memory/index";
 export * from "langchain/memory/chat_memory";
 export * from "langchain/document";

environment_tests/test-exports-vite/src/entrypoints.js

@@ -24,6 +24,7 @@ export * from "langchain/embeddings/cache_backed";
 export * from "langchain/embeddings/fake";
 export * from "langchain/vectorstores/memory";
 export * from "langchain/text_splitter";
+export * from "langchain/memory";
 export * from "langchain/memory/index";
 export * from "langchain/memory/chat_memory";
 export * from "langchain/document";

examples/src/agents/chat_convo_with_tracing_runnable.ts

@@ -2,7 +2,7 @@ import { ChatOpenAI } from "@langchain/openai";
 import { AgentExecutor } from "langchain/agents";
 import { Calculator } from "@langchain/community/tools/calculator";
 import { pull } from "langchain/hub";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { formatLogToString } from "langchain/agents/format_scratchpad/log";
 import { renderTextDescription } from "langchain/tools/render";
 import { ReActSingleInputOutputParser } from "langchain/agents/react/output_parser";

examples/src/agents/openai_runnable_with_memory.ts

@@ -2,7 +2,7 @@ import { AgentExecutor } from "langchain/agents";
 import { ChatOpenAI } from "@langchain/openai";
 import { Calculator } from "@langchain/community/tools/calculator";
 import { OpenAIFunctionsAgentOutputParser } from "langchain/agents/openai/output_parser";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { convertToOpenAIFunction } from "@langchain/core/utils/function_calling";
 import {
   ChatPromptTemplate,

examples/src/agents/structured_chat_with_memory.ts

@@ -1,7 +1,7 @@
 import { ChatOpenAI } from "@langchain/openai";
 import { initializeAgentExecutorWithOptions } from "langchain/agents";
 import { Calculator } from "@langchain/community/tools/calculator";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { MessagesPlaceholder } from "@langchain/core/prompts";
 
 export const run = async () => {

examples/src/chains/conversation_qa_custom_prompt_legacy.ts

@@ -1,7 +1,7 @@
 import { ChatOpenAI, OpenAIEmbeddings } from "@langchain/openai";
 import { ConversationalRetrievalQAChain } from "langchain/chains";
 import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 
 const CUSTOM_QUESTION_GENERATOR_CHAIN_PROMPT = `Given the following conversation and a follow up question, return the conversation history excerpt that includes any relevant context to the question if it exists and rephrase the follow up question to be a standalone question.
 Chat History:

examples/src/chains/conversational_qa_built_in_memory.ts

@@ -2,7 +2,7 @@ import { ChatOpenAI, OpenAIEmbeddings } from "@langchain/openai";
 import { LLMChain } from "langchain/chains";
 import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
 import { RecursiveCharacterTextSplitter } from "@langchain/textsplitters";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import * as fs from "fs";
 import { formatDocumentsAsString } from "langchain/util/document";
 import { Document } from "@langchain/core/documents";

examples/src/chains/conversational_qa_built_in_memory_legacy.ts

@@ -2,7 +2,7 @@ import { ChatOpenAI, OpenAIEmbeddings } from "@langchain/openai";
 import { ConversationalRetrievalQAChain } from "langchain/chains";
 import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
 import { RecursiveCharacterTextSplitter } from "@langchain/textsplitters";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 
 import * as fs from "fs";
 

examples/src/chains/conversational_qa_legacy.ts

@@ -2,7 +2,7 @@ import { ChatOpenAI, OpenAIEmbeddings } from "@langchain/openai";
 import { ConversationalRetrievalQAChain } from "langchain/chains";
 import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
 import { RecursiveCharacterTextSplitter } from "@langchain/textsplitters";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import * as fs from "fs";
 
 export const run = async () => {

examples/src/chains/conversational_qa_streaming_legacy.ts

@@ -2,7 +2,7 @@ import { ChatOpenAI, OpenAIEmbeddings } from "@langchain/openai";
 import { ConversationalRetrievalQAChain } from "langchain/chains";
 import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
 import { RecursiveCharacterTextSplitter } from "@langchain/textsplitters";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 
 import * as fs from "fs";
 

examples/src/chat/memory.ts

@@ -4,7 +4,7 @@ import {
   ChatPromptTemplate,
   MessagesPlaceholder,
 } from "@langchain/core/prompts";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 
 const chat = new ChatOpenAI({ temperature: 0 });
 

examples/src/chat/overview.ts

@@ -1,7 +1,7 @@
 import { AgentExecutor, ChatAgent } from "langchain/agents";
 import { ConversationChain, LLMChain } from "langchain/chains";
 import { ChatOpenAI } from "@langchain/openai";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import {
   ChatPromptTemplate,
   HumanMessagePromptTemplate,

examples/src/guides/expression_language/cookbook_memory.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import {
   ChatPromptTemplate,
   MessagesPlaceholder,

examples/src/memory/buffer.ts

@@ -1,5 +1,5 @@
 import { OpenAI } from "@langchain/openai";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { LLMChain } from "langchain/chains";
 import { PromptTemplate } from "@langchain/core/prompts";
 

examples/src/memory/buffer_window.ts

@@ -1,5 +1,5 @@
 import { OpenAI } from "@langchain/openai";
-import { BufferWindowMemory } from "langchain/memory/index";
+import { BufferWindowMemory } from "langchain/memory";
 import { LLMChain } from "langchain/chains";
 import { PromptTemplate } from "@langchain/core/prompts";
 

examples/src/memory/cassandra-store.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { CassandraChatMessageHistory } from "@langchain/community/stores/message/cassandra";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/cloudflare_d1.ts

@@ -1,5 +1,5 @@
 import type { D1Database } from "@cloudflare/workers-types";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { CloudflareD1MessageHistory } from "@langchain/cloudflare";
 import {
   ChatPromptTemplate,

examples/src/memory/combined.ts

@@ -3,7 +3,7 @@ import {
   BufferMemory,
   CombinedMemory,
   ConversationSummaryMemory,
-} from "langchain/memory/index";
+} from "langchain/memory";
 import { ConversationChain } from "langchain/chains";
 import { PromptTemplate } from "@langchain/core/prompts";
 

examples/src/memory/convex/convex.ts

@@ -1,7 +1,7 @@
 "use node";
 
 import { v } from "convex/values";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";
 import { ConvexChatMessageHistory } from "@langchain/community/stores/message/convex";

examples/src/memory/dynamodb-store.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { DynamoDBChatMessageHistory } from "@langchain/community/stores/message/dynamodb";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/entity.ts

@@ -2,7 +2,7 @@ import { OpenAI } from "@langchain/openai";
 import {
   EntityMemory,
   ENTITY_MEMORY_CONVERSATION_TEMPLATE,
-} from "langchain/memory/index";
+} from "langchain/memory";
 import { LLMChain } from "langchain/chains";
 
 export const run = async () => {

examples/src/memory/entity_memory_inspection.ts

@@ -2,7 +2,7 @@ import { OpenAI } from "@langchain/openai";
 import {
   EntityMemory,
   ENTITY_MEMORY_CONVERSATION_TEMPLATE,
-} from "langchain/memory/index";
+} from "langchain/memory";
 import { LLMChain } from "langchain/chains";
 
 const memory = new EntityMemory({

examples/src/memory/firestore.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { FirestoreChatMessageHistory } from "@langchain/community/stores/message/firestore";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/firestore_nested.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { FirestoreChatMessageHistory } from "@langchain/community/stores/message/firestore";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/getting_started.ts

@@ -1,6 +1,6 @@
 /* eslint-disable import/first */
 /* eslint-disable import/no-duplicates */
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { HumanMessage, AIMessage } from "@langchain/core/messages";
 
 const memory = new BufferMemory();

examples/src/memory/momento.ts

@@ -3,7 +3,7 @@ import {
   Configurations,
   CredentialProvider,
 } from "@gomomento/sdk"; // `from "gomomento/sdk-web";` for browser/edge
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";
 import { MomentoChatMessageHistory } from "@langchain/community/stores/message/momento";

examples/src/memory/mongodb.ts

@@ -1,5 +1,5 @@
 import { MongoClient, ObjectId } from "mongodb";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";
 import { MongoDBChatMessageHistory } from "@langchain/mongodb";

examples/src/memory/planetscale.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { PlanetScaleChatMessageHistory } from "@langchain/community/stores/message/planetscale";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/planetscale_advanced.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { PlanetScaleChatMessageHistory } from "@langchain/community/stores/message/planetscale";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/redis-advanced.ts

@@ -1,5 +1,5 @@
 import { Redis } from "ioredis";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { RedisChatMessageHistory } from "@langchain/community/stores/message/ioredis";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/redis-sentinel.ts

@@ -1,5 +1,5 @@
 import { Redis } from "ioredis";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { RedisChatMessageHistory } from "@langchain/community/stores/message/ioredis";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/redis.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { RedisChatMessageHistory } from "@langchain/redis";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/summary_buffer.ts

@@ -1,5 +1,5 @@
 import { OpenAI, ChatOpenAI } from "@langchain/openai";
-import { ConversationSummaryBufferMemory } from "langchain/memory/index";
+import { ConversationSummaryBufferMemory } from "langchain/memory";
 import { ConversationChain } from "langchain/chains";
 import {
   ChatPromptTemplate,

examples/src/memory/summary_chat.ts

@@ -1,5 +1,5 @@
 import { ChatOpenAI } from "@langchain/openai";
-import { ConversationSummaryMemory } from "langchain/memory/index";
+import { ConversationSummaryMemory } from "langchain/memory";
 import { LLMChain } from "langchain/chains";
 import { PromptTemplate } from "@langchain/core/prompts";
 

examples/src/memory/summary_llm.ts

@@ -1,5 +1,5 @@
 import { OpenAI } from "@langchain/openai";
-import { ConversationSummaryMemory } from "langchain/memory/index";
+import { ConversationSummaryMemory } from "langchain/memory";
 import { LLMChain } from "langchain/chains";
 import { PromptTemplate } from "@langchain/core/prompts";
 

examples/src/memory/token_buffer.ts

@@ -1,5 +1,5 @@
 import { OpenAI } from "@langchain/openai";
-import { ConversationTokenBufferMemory } from "langchain/memory/index";
+import { ConversationTokenBufferMemory } from "langchain/memory";
 
 const model = new OpenAI({});
 const memory = new ConversationTokenBufferMemory({

examples/src/memory/upstash_redis.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { UpstashRedisChatMessageHistory } from "@langchain/community/stores/message/upstash_redis";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/upstash_redis_advanced.ts

@@ -1,5 +1,5 @@
 import { Redis } from "@upstash/redis";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { UpstashRedisChatMessageHistory } from "@langchain/community/stores/message/upstash_redis";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";

examples/src/memory/vector_store.ts

@@ -1,5 +1,5 @@
 import { OpenAI, OpenAIEmbeddings } from "@langchain/openai";
-import { VectorStoreRetrieverMemory } from "langchain/memory/index";
+import { VectorStoreRetrieverMemory } from "langchain/memory";
 import { LLMChain } from "langchain/chains";
 import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { PromptTemplate } from "@langchain/core/prompts";

examples/src/memory/xata-advanced.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";
 import { XataChatMessageHistory } from "@langchain/community/stores/message/xata";

examples/src/memory/xata.ts

@@ -1,4 +1,4 @@
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import { ChatOpenAI } from "@langchain/openai";
 import { ConversationChain } from "langchain/chains";
 import { XataChatMessageHistory } from "@langchain/community/stores/message/xata";

examples/src/use_cases/advanced/conversational_qa.ts

@@ -1,7 +1,7 @@
 import { ChatOpenAI, OpenAIEmbeddings } from "@langchain/openai";
 import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
 import { RecursiveCharacterTextSplitter } from "@langchain/textsplitters";
-import { BufferMemory } from "langchain/memory/index";
+import { BufferMemory } from "langchain/memory";
 import * as fs from "fs";
 import { LLMChain } from "langchain/chains";
 import { formatDocumentsAsString } from "langchain/util/document";

langchain/.gitignore

@@ -138,6 +138,10 @@ text_splitter.cjs
 text_splitter.js
 text_splitter.d.ts
 text_splitter.d.cts
+memory.cjs
+memory.js
+memory.d.ts
+memory.d.cts
 memory/index.cjs
 memory/index.js
 memory/index.d.ts

langchain/langchain.config.js

@@ -74,6 +74,8 @@ export const config = {
     // text_splitter
     text_splitter: "text_splitter",
     // memory
+    "memory": "memory/index",
+    // TODO: Remove on breaking change
     "memory/index": "memory/index",
     "memory/chat_memory": "memory/chat_memory",
     // document