More Syntax - Tasty Web Development Treats episodes
Published 12 Jan 2026
Duration: 3304
A podcast episode delves into an experimental TypeScript project recreating *Doom* without JavaScript, showcasing the type system's capabilities.
Scott and Wes sit down with Dimitri Metropolis to explore the wild edges of TypeScriptfrom running Doom in the type system to building tools like Type...
The podcast details an experiment in which the classic video game Doom is being implemented using only TypeScript types, without any JavaScript code. The project uses a .d.ts file with no actual code to simulate gameplay logic, showcasing the limitations of TypeScript's type system in practice, even though it is theoretically Turing complete. This ambitious effort involves complex type-level programming to replicate elements like ASCII-style graphics, physics, maps, and inventory systems. The final frame of the game took over 11 days to render, with the entire project spanning nearly a year of development.
The discussion also covers a new tool called Type Slayer, which is designed to improve TypeScript type-checking performance, emphasizing the importance of efficiency in large-scale projects. Broader topics are touched upon, including the evolution of WebAssembly, the potential of AI in software development, and the challenges involved in organizing developer conferences. These elements provide context for the technical and practical considerations of modern programming languages and development processes.
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