Say goodbye to source maps and compilation delays. By treating types as whitespace, modern runtimes are unlocking a “no-build” TypeScript that keeps stack traces accurate and workflows clean.

TypeScript 5.4 has been released, with the addition of a NoInfer utility type alongside preserved narrowing in closures following last assignments. TypeScript is a superset of JavaScript that adds ...

TypeScript has become the standard language that is "expected to be known" in modern web development.However, many engineers ...

Microsoft shipped TypeScript 5.8 with improved type checking in some scenarios, but thorny problems caused the dev team to delay related work to the next release. The plan was for TypeScript 5.8 to ...

Microsoft shipped the latest iteration of its type-infused superset of JavaScript, TypeScript 5.5, introducing inferred type predicates, control flow narrowing, JSDoc @import and other enhancements.

The first beta of TypeScript 6.0 has been released by Microsoft. This is the last release based on the current JavaScript codebase. TypeScript 7.0 will move to a compiler and language service written ...

I opened my smartphone on the train ride home and caught an article about a tool called "tsrs" announced by Cloudflare. It describes porting TypeScript to Rust, allowing it to run up to 8 times faster ...

Write functions, generics, classes and modules in TypeScript 7 that Node.js runs exactly as you wrote them, and that the compiler checks before they ever run. This repository holds every example from ...

--fast enables performance optimizations, including adaptive checker counts and additional caches. See fast mode for details. You can try tsrs today and give us feedback on performance, memory usage, ...