Sunday, November 30, 2025

Operating Doom in TypeScript with Dimitri Mitropoulos


Doom has seemingly been ported to each digital system possible, together with image frames, lamps, and occasional machines. The meme of “it runs Doom” has develop into so widespread that it spawned the r/itrunsdoom sub-Reddit.

Lately, Doom made headlines once more for being ported to TypeScript. The undertaking concerned representing Doom completely in TypeScript, three and a half trillion strains of sorts, 90 GB of RAM to run, and a full yr to finish.

Dimitri Mitropoulos is the engineer who carried out this heroic feat. He’s additionally a developer at Vercel, the founding father of Michigan Typescript, and a co-founder of SquiggleConf. Dimitri joins the podcast with Josh Goldberg to speak about what it took to drag off some of the mind-bending TypeScript initiatives thus far.

Josh Goldberg is an unbiased full time open supply developer within the TypeScript ecosystem. He works on initiatives that assist builders write higher TypeScript extra simply, most notably on typescript-eslint: the tooling that permits ESLint and Prettier to run on TypeScript code. Josh frequently contributes to open supply initiatives within the ecosystem equivalent to ESLint and TypeScript. Josh is a Microsoft MVP for developer applied sciences and the creator of the acclaimed Studying TypeScript (O’Reilly), a cherished useful resource for any developer looking for to study TypeScript with none prior expertise outdoors of JavaScript. Josh frequently presents talks and workshops at bootcamps, conferences, and meetups to share information on TypeScript, static evaluation, open supply, and normal frontend and internet improvement.

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