langchain in commonjs come up a error

[kill136]

in commonjs environment，call langchain like below：
const {
OpenAI,
OpenAIChat
} = require("langchain/llms/openai");

#################################
Unexpected token export\n/var/user/node_modules/langchain/llms/openai.js:1\n(function (exports, require, module, __filename, __dirname) { export * from '../dist/llms/openai.js'\n ^^^^^^\n\nSyntaxError: Unexpected token export\n at createScript (vm.js:80:10)\n at Object.runInThisContext (vm.js:139:10)\n at Module._compile (module.js:607:28)\n at Object.Module._extensions..js (module.js:654:10)\n at Module.load (module.js:556:32)\n at tryModuleLoad (module.js:499:12)\n at Function.Module._load (module.js:491:3)\n at Module.require (module.js:587:17)\n at require (internal/module.js:11:18)\n

[dosubot]

Answer generated by a 🤖

Answer

I found related issues that might be helpful. I did my best to summarize the solutions, but I recommend looking at the related issues yourself.

Closed Issues

Error: Cannot find module 'langchain/llms/openai' code: 'MODULE_NOT_FOUND'

The suggested solution is: Move the LangChain dependency from the devDependencies list to the dependencies list in your package.json file.

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[jacoblee93]

Happy to try to help? Which version of LangChain are you running?

Just tried with a starter Nest.js project (running CommonJS) with the latest version (0.0.107) and it seemed to work ok:

https://github.com/jacoblee93/langchain-nest-test

https://github.com/jacoblee93/langchain-nest-test/blob/master/src/app.controller.ts#L3