Definitely Typed is a community-driven repository. If you notice missing or outdated type definitions for a library, you can contribute by adding or updating them. Contributing ensures better TypeScript support for the developer community.

Before contributing to DefinitelyTyped, ensure you meet the following prerequisites:

• Basic knowledge of TypeScript and type definitions.
• A GitHub account to fork and clone repositories.
• Node.js and npm installed on your system.

Follow these steps to contribute type definitions to DefinitelyTyped:

1. Fork the DefinitelyTyped repository on GitHub.
2. Clone the forked repository to your local system.
3. Navigate to the types directory and create or update the library's folder.
4. Write or edit the type definitions in a index.d.ts file.
5. Add a test file in the tests folder to validate your definitions.
6. Commit your changes and push them to your forked repository.
7. Create a pull request on the DefinitelyTyped repository for review.

Use the dtslint tool to test your type definitions locally before submitting them. Install it globally using npm:

Run dtslint in the library's folder to validate the type definitions:

• Community Contribution: DefinitelyTyped thrives on contributions from developers worldwide.
• Structured Process: Follow the repository's structure and guidelines for adding or updating type definitions.
• Testing: Use dtslint to validate your definitions locally before submission.
• Collaboration: Engage with reviewers during the pull request process to ensure high-quality contributions.