@langchain/classic 1.0.37
Old abstractions from LangChain.js
@langchain/classic@1.0.37 was published on 2026-06-22. Its manifest declares 8 runtime dependencies and 4 peer requirements. Type declarations are bundled according to the package metadata. The declared Node.js requirement is >=20.
All @langchain/classic versions · Permanent reference to 1.0.37 · Latest release
Package specifications
| Version | 1.0.37 |
|---|---|
| License declaration | MIT |
| Published | 2026-06-22T17:25:46.704Z |
| Node.js requirement | >=20 |
| Type declarations | Bundled declarations |
| Runtime dependency count | 8 |
| Peer requirement count | 4 |
| Optional dependency count | 1 |
| Minified size | Measurement not available yet |
| Minified + gzip | Measurement not available yet |
| Unpacked distribution size | 5806.75 KiB |
| Published file count | 2330 |
| Package type | module |
| ES module entry | ./dist/index.js |
| Default entry | ./dist/index.cjs |
| Side effects declaration | Not declared |
| Direct advisories | 0 |
| Resolved graph dependencies | 22 |
| Repository stars | 18293 |
| Repository forks | 3455 |
Install @langchain/classic 1.0.37
npm install @langchain/classic@1.0.37 pnpm add @langchain/classic@1.0.37 yarn add @langchain/classic@1.0.37
Runtime dependencies
- zod ^3.25.76 || ^4
- yaml ^2.9.0
- js-yaml ^4.2.0
- handlebars ^4.7.9
- jsonpointer ^5.0.1
- openapi-types ^12.1.3
- @langchain/openai 1.5.2
- @langchain/textsplitters 1.0.1
Peer requirements
- peggy ^5.1.0 (optional peer)
- cheerio * (optional peer)
- typeorm * (optional peer)
- @langchain/core ^1.2.1
Optional dependencies
- langsmith >=0.4.0 <1.0.0
Resolved dependency graph
This deps.dev graph describes a generic 64-bit Linux environment, not your application lockfile.
- @langchain/openai@1.5.2 — direct
- @langchain/textsplitters@1.0.1 — direct
- argparse@2.0.1 — indirect
- base64-js@1.5.1 — indirect
- eventemitter3@4.0.7 — indirect
- handlebars@4.7.10 — direct
- js-tiktoken@1.0.21 — indirect
- js-yaml@4.3.2 — direct
- jsonpointer@5.0.1 — direct
- langsmith@0.11.4 — direct
- minimist@1.2.8 — indirect
- neo-async@2.6.2 — indirect
- openai@6.49.0 — indirect
- openapi-types@12.1.3 — direct
- p-finally@1.0.0 — indirect
- p-queue@6.6.2 — indirect
- p-timeout@3.2.0 — indirect
- source-map@0.6.1 — indirect
- uglify-js@3.19.3 — indirect
- wordwrap@1.0.0 — indirect
- yaml@2.9.1 — direct
- zod@4.6.7 — direct
How to interpret the specifications
Bundlephobia measurements use its standard package build and may exclude peer dependencies. Unpacked npm distribution size includes shipped files and is a different measurement. Module declarations do not prove tree-shaking or runtime compatibility.
Advisories apply to this package version directly; transitive dependencies need separate inspection. Repository signals describe the whole repository and are current observations, including on historical-version pages.
Evidence and freshness
- https://registry.npmjs.org/%40langchain%2Fclassic/1.0.37 — retrieved 2026-10-30T03:02:21.677Z
- https://api.deps.dev/v3/projects/github.com%2Flangchain-ai%2Flangchainjs — retrieved 2026-10-29T23:17:46.923Z
- https://api.deps.dev/v3/systems/npm/packages/%40langchain%2Fclassic/versions/1.0.37 — retrieved 2026-10-30T03:02:22.318Z
- https://api.deps.dev/v3/systems/npm/packages/%40langchain%2Fclassic/versions/1.0.37:dependencies — retrieved 2026-10-30T03:02:22.350Z