tsrs: Rust TypeScript Compiler Port Backed by TS Team Claims 8x Speed, 70% Less Memory
cnakazawa · x · 2026-10-20
Developer voidzerodev released tsrs, a Rust port of the TypeScript compiler—explicitly not a fork, but built in close collaboration with the TypeScript team.
- Claims up to 8x faster than TS 7.0 and roughly 70% less memory usage
- Runs in WASM, so it works in browsers and on Workers
- Will soon join the Oxc toolchain; available now via npx tsrs
- tsrs optimizations are being upstreamed into TypeScript itself; the author stresses that "in a world of slopforks, the team and intent behind the code matter more"
Related event: tsrs: Rust port of TypeScript compiler runs 8x faster(2 posts)→
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