eslint-config-tc is a shareable ESLint configuration designed for consistent JavaScript and TypeScript code style. It enforces best practices based on Topcoder's standards, promoting clean and maintainable codebases. This configuration offers a curated set of rules suitable for various projects, reducing boilerplate and improving code quality. By using eslint-config-tc, developers can streamline their linting process and ensure adherence to a well-defined code style guide.