feat(langchain-community): Add Polaris AI DataInsight Document Loader

[ai-solution-dev]

Description

This PR integrates the Polaris AI DataInsight Document Loader into LangChain.js.
The integration enables the use of Polaris AI's advanced document extraction capabilities to process various document formats and extract text, images, tables, charts, and mathematical equations.

---

Key Features

• Added Polaris AI DataInsight Document Loader support in LangChain.js

  • Load documents either from the file system or buffer data
  • Extract text, images, tables, charts, and equations from various document formats
  • Process documents through Polaris AI's DataInsight API service

• Flexible document loading modes

  • element: Load each element in the pages as a separate Document object
  • page: Load each page in the document as a separate Document object
  • single: Load the entire document as a single Document object

• Comprehensive document element support

  • Text content extraction
  • Table processing with HTML output
  • Chart data with CSV format and metadata
  • Image handling with file path references

• Source: Located under libs/langchain-community

• Includes comprehensive testing and examples for the integration

---

Example Usage

import { PolarisAIDataInsightLoader } from "@langchain/community/document_loaders/web/polaris_ai_datainsight";
import fs from "fs";



const loaderFromPath = new PolarisAIDataInsightLoader({
  filePath: "path/to/file.docx",
  apiKey: process.env.POLARIS_AI_DATA_INSIGHT_API_KEY,
  resourcesDir: "path/to/save/resources/",
  mode: "single",
});
const docsFromPath = await loaderFromPath.load();



const docsFromBuffer = await loaderFromBuffer.load();

[changeset-bot]

⚠️ No Changeset found

Latest commit: d3029d7

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

1 Skipped Deployment

Project	Deployment	Preview	Updated (UTC)
langchainjs-docs	Ignored		Oct 13, 2025 5:56am