Rename to @langchain/core

.github/workflows/test-exports.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build
-        run: yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
+        run: yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
         shell: bash
         env:
           SKIP_API_DOCS: true
@@ -54,7 +54,7 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build
-        run: yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
+        run: yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
         shell: bash
         env:
           SKIP_API_DOCS: true
@@ -74,7 +74,7 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build
-        run: yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
+        run: yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
         shell: bash
         env:
           SKIP_API_DOCS: true
@@ -94,7 +94,7 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build
-        run: yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
+        run: yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
         shell: bash
         env:
           SKIP_API_DOCS: true
@@ -114,7 +114,7 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build
-        run: yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
+        run: yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
         shell: bash
         env:
           SKIP_API_DOCS: true
@@ -134,7 +134,7 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build
-        run: yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
+        run: yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
         shell: bash
         env:
           SKIP_API_DOCS: true
@@ -154,7 +154,7 @@ jobs:
   #     - name: Install dependencies
   #       run: yarn install --immutable
   #     - name: Build
-  #       run: yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
+  #       run: yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build
   #       shell: bash
   #       env:
   #         SKIP_API_DOCS: true

docs/api_refs/package.json

@@ -6,7 +6,7 @@
     "dev": "next dev -p 3001",
     "typedoc": "npx typedoc --options typedoc.json",
     "build:scripts": "node ./scripts/generate-api-refs.js && node ./scripts/update-typedoc-css.js",
-    "build": "yarn workspace langchain-core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build && yarn build:scripts && next build",
+    "build": "yarn workspace @langchain/core build && yarn workspace @langchain/anthropic build && yarn workspace langchain build && yarn build:scripts && next build",
     "start": "yarn build && next start -p 3001",
     "lint": "next lint"
   },

environment_tests/scripts/docker-bun-ci-entrypoint.sh

@@ -25,7 +25,7 @@ bun install --no-save
 
 # Link the package locally
 cd ../langchain
-sed -i 's/"langchain-core": "[^\"]*"/"langchain-core": "link:langchain-core"/g' package.json
+sed -i 's/"@langchain\/core": "[^\"]*"/"@langchain\/core": "link:@langchain\/core"/g' package.json
 bun link
 
 # Reinstall deps with bun because bun doesn't install deps of linked deps
@@ -34,7 +34,7 @@ bun install --no-save
 cd ../app
 
 # Replace the workspace dependency with the local copy, and install all others
-sed -i 's/"langchain-core": "workspace:\*"/"langchain-core": "link:langchain-core"/g' package.json
+sed -i 's/"@langchain\/core": "workspace:\*"/"@langchain\/core": "link:@langchain\/core"/g' package.json
 sed -i 's/"langchain": "workspace:\*"/"langchain": "link:langchain"/g' package.json
 bun install --no-save
 

environment_tests/scripts/docker-ci-entrypoint.sh

@@ -18,7 +18,7 @@ cp ../root/yarn.lock ../root/.yarnrc.yml .
 # Replace the workspace dependency with the local copy, and install all others
 # Avoid calling "yarn add ../langchain" as yarn berry does seem to hang for ~30s
 # before installation actually occurs
-sed -i 's/"langchain-core": "workspace:\*"/"langchain-core": "..\/langchain-core"/g' package.json
+sed -i 's/"@langchain\/core": "workspace:\*"/"@langchain\/core": "..\/langchain-core"/g' package.json
 sed -i 's/"@langchain\/anthropic": "workspace:\*"/"@langchain\/anthropic": "..\/langchain-anthropic"/g' package.json
 sed -i 's/"langchain": "workspace:\*"/"langchain": "..\/langchain"/g' package.json
 

environment_tests/test-exports-bun/package.json

@@ -18,10 +18,10 @@
   "license": "MIT",
   "dependencies": {
     "@langchain/anthropic": "workspace:*",
+    "@langchain/core": "workspace:*",
     "d3-dsv": "2",
     "hnswlib-node": "^1.4.2",
-    "langchain": "workspace:*",
-    "langchain-core": "workspace:*"
+    "langchain": "workspace:*"
   },
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.2",

environment_tests/test-exports-cf/package.json

@@ -9,8 +9,8 @@
   },
   "dependencies": {
     "@langchain/anthropic": "workspace:*",
-    "langchain": "workspace:*",
-    "langchain-core": "workspace:*"
+    "@langchain/core": "workspace:*",
+    "langchain": "workspace:*"
   },
   "private": true,
   "scripts": {

environment_tests/test-exports-cjs/package.json

@@ -19,10 +19,10 @@
   "license": "MIT",
   "dependencies": {
     "@langchain/anthropic": "workspace:*",
+    "@langchain/core": "workspace:*",
     "d3-dsv": "2",
     "hnswlib-node": "^1.4.2",
-    "langchain": "workspace:*",
-    "langchain-core": "workspace:*"
+    "langchain": "workspace:*"
   },
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.2",

environment_tests/test-exports-esbuild/package.json

@@ -17,10 +17,10 @@
   "license": "MIT",
   "dependencies": {
     "@langchain/anthropic": "workspace:*",
+    "@langchain/core": "workspace:*",
     "d3-dsv": "2",
     "hnswlib-node": "^1.4.2",
-    "langchain": "workspace:*",
-    "langchain-core": "workspace:*"
+    "langchain": "workspace:*"
   },
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.2",

environment_tests/test-exports-esm/package.json

@@ -20,10 +20,10 @@
   "license": "MIT",
   "dependencies": {
     "@langchain/anthropic": "workspace:*",
+    "@langchain/core": "workspace:*",
     "d3-dsv": "2",
     "hnswlib-node": "^1.4.2",
-    "langchain": "workspace:*",
-    "langchain-core": "workspace:*"
+    "langchain": "workspace:*"
   },
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.2",

environment_tests/test-exports-vercel/package.json

@@ -10,13 +10,13 @@
   },
   "dependencies": {
     "@langchain/anthropic": "workspace:*",
+    "@langchain/core": "workspace:*",
     "@types/node": "18.15.11",
     "@types/react": "18.0.33",
     "@types/react-dom": "18.0.11",
     "eslint": "8.37.0",
     "eslint-config-next": "13.3.0",
     "langchain": "workspace:*",
-    "langchain-core": "workspace:*",
     "next": "13.4.9",
     "react": "18.2.0",
     "react-dom": "18.2.0",

environment_tests/test-exports-vite/package.json

@@ -11,8 +11,8 @@
   },
   "dependencies": {
     "@langchain/anthropic": "workspace:*",
-    "langchain": "workspace:*",
-    "langchain-core": "workspace:*"
+    "@langchain/core": "workspace:*",
+    "langchain": "workspace:*"
   },
   "devDependencies": {
     "typescript": "^5.0.0",

langchain-core/README.md

@@ -1 +1 @@
-# langchain-core
+# @langchain/core

langchain-core/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "langchain-core",
-  "version": "0.0.4",
-  "description": "Typescript bindings for langchain",
+  "name": "@langchain/core",
+  "version": "0.0.0",
+  "description": "Core LangChain.js abstractions and schemas",
   "type": "module",
   "engines": {
     "node": ">=18"

langchain-core/scripts/create-entrypoints.js

@@ -166,7 +166,7 @@ const generateImportMap = () => {
 const importTypes = [
   "langchain-core",
   (k, p) =>
-    `  "langchain-core/${k}"?:
+    `  "@langchain/core/${k}"?:
     | typeof import("../${p}.js")
     | Promise<typeof import("../${p}.js")>;`,
   "src/load/import_type.d.ts",

langchain/package.json

@@ -866,6 +866,7 @@
     "@huggingface/inference": "^2.6.4",
     "@jest/globals": "^29.5.0",
     "@langchain/anthropic": "workspace:*",
+    "@langchain/core": "workspace:*",
     "@mozilla/readability": "^0.4.4",
     "@notionhq/client": "^2.2.10",
     "@opensearch-project/opensearch": "^2.2.0",
@@ -943,7 +944,6 @@
     "jest": "^29.5.0",
     "jest-environment-node": "^29.6.4",
     "jsdom": "^22.1.0",
-    "langchain-core": "workspace:*",
     "llmonitor": "^0.5.9",
     "lodash": "^4.17.21",
     "mammoth": "^1.5.1",
@@ -1380,13 +1380,13 @@
   },
   "dependencies": {
     "@langchain/anthropic": "^0.0.2",
+    "@langchain/core": "^0.0.0",
     "binary-extensions": "^2.2.0",
     "expr-eval": "^2.0.2",
     "flat": "^5.0.2",
     "js-tiktoken": "^1.0.7",
     "js-yaml": "^4.1.0",
     "jsonpointer": "^5.0.1",
-    "langchain-core": "^0.0.4",
     "langchainhub": "~0.0.6",
     "langsmith": "~0.0.48",
     "ml-distance": "^4.0.0",

langchain/scripts/check-tree-shaking.js

@@ -27,7 +27,7 @@ export function listExternals() {
     ...Object.keys(packageJson.peerDependencies),
     /node\:/,
     /js-tiktoken/,
-    /langchain-core/,
+    /@langchain\/core/,
     "axios", // axios is a dependency of openai
     "convex",
     "convex/server",

langchain/src/base_language/count_tokens.ts

@@ -2,4 +2,4 @@ export {
   calculateMaxTokens,
   getModelContextSize,
   getEmbeddingContextSize,
-} from "langchain-core/language_models/base";
+} from "@langchain/core/language_models/base";

langchain/src/base_language/index.ts

@@ -7,7 +7,7 @@ export {
   type BaseFunctionCallOptions,
   type BaseLanguageModelInput,
   BaseLanguageModel,
-} from "langchain-core/language_models/base";
+} from "@langchain/core/language_models/base";
 
 /*
  * Export utility functions for token calculations:

langchain/src/cache/base.ts

@@ -1 +1 @@
-export * from "langchain-core/caches";
+export * from "@langchain/core/caches";

langchain/src/cache/index.ts

@@ -1 +1 @@
-export { InMemoryCache } from "langchain-core/caches";
+export { InMemoryCache } from "@langchain/core/caches";

langchain/src/cache/tests/ioredis.test.ts

@@ -1,5 +1,5 @@
 import { test, expect, jest } from "@jest/globals";
-import { insecureHash } from "langchain-core/utils/hash";
+import { insecureHash } from "@langchain/core/utils/hash";
 
 import { RedisCache } from "../ioredis.js";
 

langchain/src/cache/tests/redis.test.ts

@@ -1,5 +1,5 @@
 import { test, expect, jest } from "@jest/globals";
-import { insecureHash } from "langchain-core/utils/hash";
+import { insecureHash } from "@langchain/core/utils/hash";
 
 import { RedisCache } from "../redis.js";
 

langchain/src/cache/tests/upstash_redis.test.ts

@@ -1,5 +1,5 @@
 import { test, expect, jest } from "@jest/globals";
-import { insecureHash } from "langchain-core/utils/hash";
+import { insecureHash } from "@langchain/core/utils/hash";
 
 import { UpstashRedisCache } from "../upstash_redis.js";
 import { StoredGeneration } from "../../schema/index.js";

langchain/src/callbacks/base.ts

@@ -1 +1 @@
-export * from "langchain-core/callbacks/base";
+export * from "@langchain/core/callbacks/base";

langchain/src/callbacks/handlers/console.ts

@@ -1 +1 @@
-export * from "langchain-core/tracers/console";
+export * from "@langchain/core/tracers/console";

langchain/src/callbacks/handlers/initialize.ts

@@ -1 +1 @@
-export * from "langchain-core/tracers/initialize";
+export * from "@langchain/core/tracers/initialize";

langchain/src/callbacks/handlers/log_stream.ts

@@ -1 +1 @@
-export * from "langchain-core/tracers/log_stream";
+export * from "@langchain/core/tracers/log_stream";

langchain/src/callbacks/handlers/run_collector.ts

@@ -1 +1 @@
-export * from "langchain-core/tracers/run_collector";
+export * from "@langchain/core/tracers/run_collector";

langchain/src/callbacks/handlers/tracer.ts

@@ -1 +1 @@
-export * from "langchain-core/tracers/base";
+export * from "@langchain/core/tracers/base";

langchain/src/callbacks/handlers/tracer_langchain.ts

@@ -1 +1 @@
-export * from "langchain-core/tracers/tracer_langchain";
+export * from "@langchain/core/tracers/tracer_langchain";

langchain/src/callbacks/handlers/tracer_langchain_v1.ts

@@ -1 +1 @@
-export * from "langchain-core/tracers/tracer_langchain_v1";
+export * from "@langchain/core/tracers/tracer_langchain_v1";

langchain/src/callbacks/manager.ts

@@ -1 +1 @@
-export * from "langchain-core/callbacks/manager";
+export * from "@langchain/core/callbacks/manager";

langchain/src/callbacks/promises.ts

@@ -1 +1 @@
-export * from "langchain-core/callbacks/promises";
+export * from "@langchain/core/callbacks/promises";

langchain/src/chains/openai_functions/structured_output.ts

@@ -2,7 +2,7 @@ import { z } from "zod";
 import { zodToJsonSchema } from "zod-to-json-schema";
 import { JsonSchema7Type } from "zod-to-json-schema/src/parseDef.js";
 
-import { Validator } from "langchain-core/utils/json_schema";
+import { Validator } from "@langchain/core/utils/json_schema";
 import { LLMChain, LLMChainInput } from "../llm_chain.js";
 import { ChatOpenAI } from "../../chat_models/openai.js";
 import { BasePromptTemplate } from "../../prompts/index.js";

langchain/src/chat_models/base.ts

@@ -1 +1 @@
-export * from "langchain-core/language_models/chat_models";
+export * from "@langchain/core/language_models/chat_models";

langchain/src/document.ts

@@ -1 +1 @@
-export { type DocumentInput, Document } from "langchain-core/documents";
+export { type DocumentInput, Document } from "@langchain/core/documents";

langchain/src/embeddings/base.ts

@@ -1 +1 @@
-export * from "langchain-core/embeddings";
+export * from "@langchain/core/embeddings";

langchain/src/embeddings/cache_backed.ts

@@ -1,4 +1,4 @@
-import { insecureHash } from "langchain-core/utils/hash";
+import { insecureHash } from "@langchain/core/utils/hash";
 
 import { BaseStore } from "../schema/storage.js";
 import { EncoderBackedStore } from "../storage/encoder_backed.js";

langchain/src/llms/base.ts

@@ -1 +1 @@
-export * from "langchain-core/language_models/llms";
+export * from "@langchain/core/language_models/llms";

langchain/src/load/index.ts

@@ -1,4 +1,4 @@
-import { load as coreLoad } from "langchain-core/load";
+import { load as coreLoad } from "@langchain/core/load";
 import { optionalImportEntrypoints } from "./import_constants.js";
 import * as importMap from "./import_map.js";
 import { OptionalImportMap, SecretMap } from "./import_type.js";

langchain/src/load/serializable.ts

@@ -1 +1 @@
-export * from "langchain-core/load/serializable";
+export * from "@langchain/core/load/serializable";

langchain/src/load/tests/load.test.ts

@@ -1,7 +1,7 @@
 import { test, expect } from "@jest/globals";
 import { stringify } from "yaml";
 import { z } from "zod";
-import { RunnableSequence } from "langchain-core/runnables";
+import { RunnableSequence } from "@langchain/core/runnables";
 
 import { load } from "../index.js";
 import { OpenAI } from "../../llms/openai.js";

langchain/src/memory/base.ts

@@ -1,2 +1,2 @@
-export * from "langchain-core/memory";
-export { getBufferString } from "langchain-core/messages";
+export * from "@langchain/core/memory";
+export { getBufferString } from "@langchain/core/messages";

langchain/src/output_parsers/list.ts

@@ -2,4 +2,4 @@ export {
   ListOutputParser,
   CommaSeparatedListOutputParser,
   CustomListOutputParser,
-} from "langchain-core/output_parsers";
+} from "@langchain/core/output_parsers";

langchain/src/output_parsers/openai_functions.ts

@@ -2,7 +2,7 @@ import { JsonSchema7ObjectType } from "zod-to-json-schema/src/parsers/object.js"
 import {
   compare,
   type Operation as JSONPatchOperation,
-} from "langchain-core/utils/json_patch";
+} from "@langchain/core/utils/json_patch";
 
 import { ChatGeneration, Generation } from "../schema/index.js";
 import { Optional } from "../types/type-utils.js";

langchain/src/output_parsers/tests/openai_functions.int.test.ts

@@ -3,7 +3,7 @@
 import { expect, test } from "@jest/globals";
 import { z } from "zod";
 import { zodToJsonSchema } from "zod-to-json-schema";
-import { Operation, applyPatch } from "langchain-core/utils/json_patch";
+import { Operation, applyPatch } from "@langchain/core/utils/json_patch";
 
 import { ChatOpenAI } from "../../chat_models/openai.js";
 import { ChatPromptTemplate } from "../../prompts/index.js";