ci[patch]: Focus yarn install

.github/workflows/ci.yml

@@ -4,12 +4,13 @@
 name: CI
 
 on:
-  push:
-    branches: ["main"]
   pull_request:
-    # Do not run this workflow if only docs changed.
-    paths-ignore:
+    paths_ignore:
       - 'docs/**'
+      - 'dependency_range_tests/**'
+      - 'environment_tests/**'
+      - '.github/**'
+      - '!.github/workflows/ci.yml'
   workflow_dispatch:  # Allows triggering the workflow manually in GitHub UI
 
 
@@ -38,25 +39,3 @@ jobs:
         run: yarn install --immutable --mode=skip-build
       - name: Check linting
         run: yarn run lint
-
-  test-exports:
-    uses:
-      ./.github/workflows/test-exports.yml
-    secrets: inherit
-
-  platform-compatibility:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Use Node.js ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v3
-        with:
-          node-version: ${{ env.NODE_VERSION }}
-          cache: "yarn"
-      - name: Install dependencies
-        run: yarn install --immutable
-      - name: Build `@langchain/core`
-        run: yarn build --filter=@langchain/core

.github/workflows/compatibility.yml

@@ -4,10 +4,11 @@ on:
   push:
     branches: ["main"]
   pull_request:
-    # Do not run this workflow if only docs/examples changed.
-    paths-ignore:
-      - 'docs/**'
-      - 'examples/**'
+    # Only run this workflow if the following directories have changed.
+    paths:
+      - 'langchain/**'
+      - 'langchain-core/**'
+      - 'libs/**'
   workflow_dispatch:  # Allows triggering the workflow manually in GitHub UI
 
 # If another push to the same PR or branch happens while this workflow is still running,

.github/workflows/format.yml

@@ -3,9 +3,9 @@
 name: Format
 
 on:
-  push:
-    branches: ["main"]
   pull_request:
+    paths_ignore:
+      - '.github/**'
   workflow_dispatch:  # Allows triggering the workflow manually in GitHub UI
 
 

.github/workflows/platform-compatibility.yml

@@ -0,0 +1,44 @@
+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
+
+name: Platform Compatibility
+
+on:
+  pull_request:
+    # Only run this workflow if the following directories have changed.
+    paths:
+      - 'langchain/**'
+      - 'langchain-core/**'
+      - 'libs/**'
+  workflow_dispatch:  # Allows triggering the workflow manually in GitHub UI
+
+
+# If another push to the same PR or branch happens while this workflow is still running,
+# cancel the earlier run in favor of the next run.
+#
+# There's no point in testing an outdated version of the code. GitHub only allows
+# a limited number of job runners to be active at the same time, so it's better to cancel
+# pointless jobs early so that more useful jobs can run sooner.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  platform-compatibility:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: "yarn"
+      - name: Install dependencies
+        run: cd ./langchain-core && yarn workspaces focus
+      - name: Build @langchain/scripts
+        run: cd ./libs/langchain-scripts && yarn build:internal
+      - name: Build `@langchain/core`
+        run: cd ./langchain-core && yarn build:internal

.github/workflows/test-exports.yml

@@ -9,9 +9,7 @@ on:
       - 'libs/langchain-anthropic/**'
       - 'libs/langchain-community/**'
       - 'libs/langchain-openai/**'
-      - 'examples/**'
   workflow_dispatch: # Allows triggering the workflow manually in GitHub UI
-  workflow_call: # Allows triggering the workflow from another workflow
 
 # If another push to the same PR or branch happens while this workflow is still running,
 # cancel the earlier run in favor of the next run.

.yarnrc.yml

@@ -3,6 +3,8 @@ nodeLinker: node-modules
 plugins:
   - path: .yarn/plugins/@yarnpkg/plugin-typescript.cjs
     spec: "@yarnpkg/plugin-typescript"
+  - path: .yarn/plugins/@yarnpkg/plugin-workspace-tools.cjs
+    spec: "@yarnpkg/plugin-workspace-tools"
 
 supportedArchitectures:
   cpu:

langchain-core/package.json

@@ -59,6 +59,7 @@
     "@langchain/scripts": "~0.0.20",
     "@swc/core": "^1.3.90",
     "@swc/jest": "^0.2.29",
+    "@types/decamelize": "^1.2.0",
     "@types/mustache": "^4",
     "dpdm": "^3.12.0",
     "eslint": "^8.33.0",

langchain-core/src/caches/tests/in_memory_cache.test.ts

@@ -1,3 +1,4 @@
+import { test, expect } from "@jest/globals";
 import { MessageContentComplex } from "../../messages/base.js";
 import { InMemoryCache } from "../base.js";
 

langchain-core/src/callbacks/tests/manager.int.test.ts

@@ -1,5 +1,5 @@
 /* eslint-disable no-process-env */
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 
 import { PromptTemplate } from "../../prompts/prompt.js";
 import { FakeLLM } from "../../utils/testing/index.js";

langchain-core/src/callbacks/tests/run_collector.test.ts

@@ -1,5 +1,6 @@
 import { v4 as uuidv4, validate } from "uuid";
 import { Run } from "langsmith/schemas";
+import { describe, it, expect } from "@jest/globals";
 import {
   ChatPromptTemplate,
   HumanMessagePromptTemplate,

langchain-core/src/language_models/tests/chat_models.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-promise-executor-return */
 
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { z } from "zod";
 import { zodToJsonSchema } from "zod-to-json-schema";
 import { FakeChatModel, FakeListChatModel } from "../../utils/testing/index.js";

langchain-core/src/language_models/tests/llms.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-promise-executor-return */
 
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { FakeLLM, FakeStreamingLLM } from "../../utils/testing/index.js";
 import { HumanMessagePromptTemplate } from "../../prompts/chat.js";
 

langchain-core/src/messages/tests/message_utils.test.ts

@@ -1,4 +1,4 @@
-import { it, expect } from "@jest/globals";
+import { it, describe, test, expect } from "@jest/globals";
 import {
   filterMessages,
   mergeMessageRuns,

langchain-core/src/output_parsers/openai_tools/tests/json_output_tools_parser.test.ts

@@ -1,4 +1,4 @@
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { z } from "zod";
 import { JsonOutputKeyToolsParser } from "../json_output_tools_parsers.js";
 import { AIMessage } from "../../../messages/index.js";

langchain-core/src/output_parsers/tests/json.test.ts

@@ -1,3 +1,4 @@
+import { test, expect } from "@jest/globals";
 import { ChatPromptTemplate } from "../../prompts/chat.js";
 import { RunnableSequence } from "../../runnables/base.js";
 import { RunnablePassthrough } from "../../runnables/passthrough.js";

langchain-core/src/output_parsers/tests/output_parser.test.ts

@@ -1,7 +1,7 @@
 /* eslint-disable no-loop-func */
 /* eslint-disable no-promise-executor-return */
 
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { FakeStreamingLLM } from "../../utils/testing/index.js";
 import { BytesOutputParser } from "../bytes.js";
 import {

langchain-core/src/output_parsers/tests/string.test.ts

@@ -1,4 +1,4 @@
-import { describe } from "@jest/globals";
+import { describe, test, expect } from "@jest/globals";
 import { StringOutputParser } from "../string.js";
 import {
   AIMessage,

langchain-core/src/output_parsers/tests/xml.test.ts

@@ -1,3 +1,4 @@
+import { test, expect } from "@jest/globals";
 import { FakeStreamingLLM } from "../../utils/testing/index.js";
 import { XMLOutputParser } from "../xml.js";
 

langchain-core/src/prompts/tests/few_shot.test.ts

@@ -1,4 +1,4 @@
-import { expect, test } from "@jest/globals";
+import { expect, describe, test } from "@jest/globals";
 import {
   FewShotChatMessagePromptTemplate,
   FewShotPromptTemplate,

langchain-core/src/prompts/tests/structured.test.ts

@@ -1,5 +1,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import { ZodType, ZodTypeDef } from "zod";
+import { test, expect } from "@jest/globals";
 import {
   StructuredOutputMethodParams,
   StructuredOutputMethodOptions,

langchain-core/src/runnables/tests/runnable.test.ts

@@ -4,7 +4,7 @@
 
 import { Run } from "langsmith";
 import { v4 as uuidv4 } from "uuid";
-import { jest } from "@jest/globals";
+import { jest, test, expect, describe } from "@jest/globals";
 import { createChatMessageChunkEncoderStream } from "../../language_models/chat_models.js";
 import { BaseMessage, HumanMessage } from "../../messages/index.js";
 import { OutputParserException } from "../../output_parsers/base.js";

langchain-core/src/runnables/tests/runnable_binding.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { StringOutputParser } from "../../output_parsers/string.js";
 import { FakeChatModel, FakeStreamingLLM } from "../../utils/testing/index.js";
 

langchain-core/src/runnables/tests/runnable_branch.test.ts

@@ -1,7 +1,7 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { RunnableBranch } from "../branch.js";
 import { ChatPromptTemplate } from "../../prompts/chat.js";
 import { FakeStreamingLLM } from "../../utils/testing/index.js";

langchain-core/src/runnables/tests/runnable_graph.test.ts

@@ -1,5 +1,6 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
+import { test, expect } from "@jest/globals";
 import { StringOutputParser } from "../../output_parsers/string.js";
 import { FakeLLM } from "../../utils/testing/index.js";
 import { PromptTemplate } from "../../prompts/prompt.js";

langchain-core/src/runnables/tests/runnable_history.test.ts

@@ -1,3 +1,4 @@
+import { test, expect } from "@jest/globals";
 import {
   AIMessage,
   AIMessageChunk,

langchain-core/src/runnables/tests/runnable_interface.test.ts

@@ -1,6 +1,7 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
+import { test, expect } from "@jest/globals";
 import { StringOutputParser } from "../../output_parsers/string.js";
 import { PromptTemplate } from "../../prompts/prompt.js";
 import { RunnableSequence } from "../base.js";

langchain-core/src/runnables/tests/runnable_map.test.ts

@@ -1,6 +1,7 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
+import { test, expect } from "@jest/globals";
 import { StringOutputParser } from "../../output_parsers/string.js";
 import {
   ChatPromptTemplate,

langchain-core/src/runnables/tests/runnable_passthrough.test.ts

@@ -1,3 +1,4 @@
+import { test, expect } from "@jest/globals";
 import { PromptTemplate } from "../../prompts/prompt.js";
 import { FakeChatModel } from "../../utils/testing/index.js";
 import { RunnablePassthrough } from "../passthrough.js";

langchain-core/src/runnables/tests/runnable_remote.int.test.ts

@@ -1,3 +1,4 @@
+import { test, expect } from "@jest/globals";
 import { HumanMessage } from "../../messages/index.js";
 import { applyPatch } from "../../utils/json_patch.js";
 import { RemoteRunnable } from "../remote.js";

langchain-core/src/runnables/tests/runnable_remote.test.ts

@@ -1,6 +1,13 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import { jest, test } from "@jest/globals";
+import {
+  jest,
+  test,
+  expect,
+  describe,
+  beforeEach,
+  afterEach,
+} from "@jest/globals";
 import {
   AIMessage,
   AIMessageChunk,

langchain-core/src/runnables/tests/runnable_retry.test.ts

@@ -1,7 +1,7 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { RunnableLambda } from "../base.js";
 
 test("RunnableRetry invoke", async () => {

langchain-core/src/runnables/tests/runnable_stream_events.test.ts

@@ -2,7 +2,7 @@
 /* eslint-disable no-process-env */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-import { test } from "@jest/globals";
+import { test, expect, afterEach } from "@jest/globals";
 import { z } from "zod";
 import {
   RunnableLambda,

langchain-core/src/runnables/tests/runnable_stream_events_v2.test.ts

@@ -2,7 +2,7 @@
 /* eslint-disable no-process-env */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-import { test } from "@jest/globals";
+import { test, expect, afterEach } from "@jest/globals";
 import { z } from "zod";
 import {
   RunnableLambda,

langchain-core/src/runnables/tests/runnable_stream_log.test.ts

@@ -1,7 +1,7 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import {
   ChatPromptTemplate,
   HumanMessagePromptTemplate,

langchain-core/src/runnables/tests/runnable_tools.test.ts

@@ -1,4 +1,5 @@
 import { z } from "zod";
+import { test, expect } from "@jest/globals";
 import { RunnableLambda, RunnableToolLike } from "../base.js";
 import { FakeRetriever } from "../../utils/testing/index.js";
 import { Document } from "../../documents/document.js";

langchain-core/src/runnables/tests/runnable_tracing.int.test.ts

@@ -1,4 +1,5 @@
 import { Client } from "langsmith";
+import { test } from "@jest/globals";
 import { LangChainTracer } from "../../tracers/tracer_langchain.js";
 import {
   BaseOutputParser,

langchain-core/src/runnables/tests/runnable_with_fallbacks.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { FakeLLM } from "../../utils/testing/index.js";
 
 test("RunnableWithFallbacks", async () => {

langchain-core/src/structured_query/tests/utils.test.ts

@@ -1,5 +1,5 @@
 /* eslint-disable no-process-env */
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 import { castValue, isFloat, isInt, isString } from "../utils.js";
 
 test("Casting values correctly", () => {

langchain-core/src/tracers/tests/langchain_tracer.int.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-process-env */
 import * as uuid from "uuid";
-import { test } from "@jest/globals";
+import { test, expect } from "@jest/globals";
 
 import { LangChainTracer, Run } from "../tracer_langchain.js";
 import { Serialized } from "../../load/serializable.js";

langchain-core/src/tracers/tests/langsmith_interop.test.ts

@@ -2,7 +2,14 @@
 /* eslint-disable no-process-env */
 /* eslint-disable no-promise-executor-return */
 
-import { jest } from "@jest/globals";
+import {
+  jest,
+  test,
+  beforeEach,
+  afterEach,
+  afterAll,
+  expect,
+} from "@jest/globals";
 import { traceable } from "langsmith/traceable";
 
 import { RunnableLambda } from "../../runnables/base.js";