In the evolving world of JavaScript development, the use of processors like Babel and TypeScript has become standard, with Babel initially gaining popularity for its extensibility and compatibility features, including support for JSX in React. However, TypeScript has emerged as a robust alternative, praised for its type safety and open-source nature, despite criticism regarding its runtime type information (RTTI) limitations. To address RTTI concerns, developers are exploring TypeScript transforms, which allow for backend modifications on the abstract syntax tree (AST) to enhance JavaScript code with additional metadata. The process involves using a visitor pattern to traverse the AST, transforming nodes related to type information. While TypeScript's ecosystem doesn't yet fully support these transforms natively, tools like webpack loaders offer some integration, hinting at a promising future for TypeScript's adaptability and extensibility in large-scale projects.