Front End World: “What happens when Bun runs a TypeScript file Follow bun run app.ts thr…”

Front End World @front_end_first · 25.9K subscribers

Post #6953 940 Sep 14, 2026, 14:00 UTC

What happens when Bun runs a TypeScript file

Follow bun run app.ts through CLI dispatch, module resolution, TypeScript transpilation, JavaScriptCore, Node compatibility, and the event loop.

https://flaviocopes.com/what-happens-when-bun-runs-typescript/

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