BedrockChat Langchain Custom Integration not working

[darielnoel]

Is your request related to a problem? Please describe.

We're attempting to integrate AWS Bedrock into our application using the BedrockChat from @langchain/community/chat_models/bedrock. However, we're encountering a dependency error that prevents the integration from working:

node_modules/@aws-sdk/credential-provider-node/node_modules/@aws-sdk/token-providers/dist-es/fromSso.js:2:25:
  2 │ ..., getSSOTokenFromFile...
    ╵      ~~~~~~~~~~~~~~~~~~~

✘ [ERROR] No matching export in "node_modules/@smithy/shared-ini-file-loader/dist-es/index.js" for import "getSSOTokenFromFile"

This error suggests there's a mismatch between the AWS SDK dependencies, specifically involving the @aws-sdk/credential-provider-node and @smithy/shared-ini-file-loader packages.

Describe the solution you'd like

We need a solution that allows us to successfully integrate AWS Bedrock into our application without encountering dependency conflicts. This could involve:

1. Updating the @langchain/community package to use a version of AWS SDK that resolves this dependency issue.

2. Providing clear documentation on which versions of AWS SDK packages are compatible with the Bedrock integration.

3. Offering an alternative method to configure AWS credentials that doesn't rely on the problematic dependencies.

Describe alternatives you've considered

1. Manually resolving the dependency versions in our package.json, but this feels like a fragile solution.
2. Using a different method to interact with AWS Bedrock, but we prefer to use the LangChain integration for consistency with our other LLM integrations.
3. Implementing a custom credential provider, but this seems like it would add unnecessary complexity to our codebase.

Additional context

We're using the following configuration for Bedrock:

const llm = new BedrockChat({
  model: "anthropic.claude-3-5-sonnet-20240620-v1:0",
  region: import.meta.env.VITE_BEDROCK_AWS_REGION,
  credentials: {
    accessKeyId: import.meta.env.VITE_BEDROCK_AWS_ACCESS_KEY_ID,
    secretAccessKey: import.meta.env.VITE_BEDROCK_AWS_SECRET_ACCESS_KEY,
  },
  temperature: 0.9,
  maxTokens: 1040,
  maxRetries: 1,
});

To quickly test it clone this branch:

https://github.com/kaiban-ai/KaibanJS/tree/bedrock-integration

Then

npm i
npm run dev
npm run play:sb

https://github.com/kaiban-ai/KaibanJS/blob/bedrock-integration/playground/react/src/stories/LLMs.stories.js#L73

Uncomment the commented lines here...

https://github.com/kaiban-ai/KaibanJS/blob/bedrock-integration/playground/react/src/teams/llms/bedrock.js