https://github.com/shalwin04/docs-gen
This project is a Documentation Generator for local repositories that leverages LangChain, Google Generative AI (Gemini-1.5-flash), and LangGraph to analyze code and generate detailed, high-quality API documentation. The tool processes JavaScript and TypeScript files, splits them into manageable chunks, and generates documentation with suggestions
https://github.com/shalwin04/docs-gen
agent gemini javascript langchain langraph typescript
Last synced: about 2 months ago
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This project is a Documentation Generator for local repositories that leverages LangChain, Google Generative AI (Gemini-1.5-flash), and LangGraph to analyze code and generate detailed, high-quality API documentation. The tool processes JavaScript and TypeScript files, splits them into manageable chunks, and generates documentation with suggestions
- Host: GitHub
- URL: https://github.com/shalwin04/docs-gen
- Owner: shalwin04
- License: mit
- Created: 2024-11-20T17:45:21.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2025-07-23T05:58:07.000Z (10 months ago)
- Last Synced: 2025-07-23T07:31:19.723Z (10 months ago)
- Topics: agent, gemini, javascript, langchain, langraph, typescript
- Language: JavaScript
- Homepage:
- Size: 30.3 KB
- Stars: 0
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# Documentation Generator with LangChain and Google Generative AI
This project is a **Documentation Generator** for local repositories that leverages **LangChain**, **Google Generative AI (Gemini-1.5-flash)**, and **LangGraph** to analyze code and generate detailed, high-quality API documentation. The tool processes JavaScript and TypeScript files, splits them into manageable chunks, and generates documentation with suggestions for improvement.
---
## Table of Contents
1. [Features](#features)
2. [Installation](#installation)
3. [Usage](#usage)
4. [Configuration](#configuration)
5. [Technologies Used](#technologies-used)
6. [File Structure](#file-structure)
7. [Future Improvements](#future-improvements)
8. [License: MIT](https://github.com/shalwin04/Docs-Gen?tab=MIT-1-ov-file)
---
## Features
- Automatically loads and analyzes files from a specified directory.
- Uses Google Generative AI to generate detailed documentation for:
- **API Endpoints**
- **Functions and Methods**
- **Data Models**
- **Design Patterns**
- **Security Considerations**
- Includes a reflection step for documentation critique and improvement.
- Implements LangGraph for iterative workflows.
- Provides customizable chunk size and overlap for text splitting.
- Streams results to handle large outputs efficiently.
---
## Usage
### Installation
### Prerequisites
Ensure the following are installed on your machine:
- Node.js (v18+ recommended)
- npm or yarn
- Google API Key for Generative AI
- Unstructured API Key (optional, for advanced text loading)
### Steps
1. Install the package
```bash
npm install docs-gen-js-ts
```
2. RUn the script
```bash
docs-gen
```
- The project will scan the specified directory (**process.cwd()** by default), split the documents, and generate API documentation based on the loaded code files.
### Technologies Used
- **LangChain:** Framework for building AI-driven workflows.
- **Google Generative AI (Gemini):** Generates detailed and insightful documentation.
- **LangGraph:** Manages iterative workflows with state graphs.
- **TypeScript:** Ensures type safety and maintainability.
- **Node.js:** Executes the backend logic.
### Future Improvements
- Add support for more programming languages.
- Integrate with cloud storage for generated documentation.
- Improve error handling for edge cases (e.g., large repositories).
- Enhance the reflection process with additional critique points.
Developed by Shalwin.
If you have questions or feedback, feel free to reach out!
- **Email** : [shalwinsanju.25cs@licet.ac.in]
- **Github** : [shalwin04](https://github.com/shalwin04)