> For the complete documentation index, see [llms.txt](https://migration.codapi.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://migration.codapi.dev/migration-guide.md).

# Migration Guide

Version 3.x.x has been re-written in typescript for two reasons. 1, Clean up the codebase and 2, to generate type definitions.