GoKawiilTeal brings static typing to Lua via its tl compiler
Teal is a statically-typed dialect of Lua that adds type annotations for arrays, maps, records, interfaces, union types and generics. Its compiler, tl, converts .tl source files into standard .lua files, and the project also offers a browser-based playground, LuaRocks installation, and editor integrations for VS Code and NeoVim.
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By positioning itself as a Lua counterpart to TypeScript, Teal could appeal to developers who want type safety in Lua's embeddable, minimalist runtime without abandoning the language's core design philosophy. Tools like the Cyan build system and language server integrations suggest an effort to make Teal viable for larger, production-scale projects rather than just small scripts.
- Teal adds static typing features—arrays, maps, records, generics—to the Lua language.
- The tl compiler transpiles Teal code into standard Lua files, and a browser playground is available for testing.
- Started by Hisham Muhammad, the project is open source under the MIT license and self-hosted, being written in Teal itself.
Source: teal-language.org, 2026-10-16
Published there as: “Teal – A statically-typed dialect of Lua”
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