New Biome, Mocha, Jest, and k6 Releases All Kissed by TypeScript | News | Ep 23

TypeScript.fm - The Friendly Show for TypeScript Developers · Jun 24, 2025 · 39m

News for the week of June 16, 2025: Biome v2 features type-aware linting without TSC, Mocha and Jest both get native ESM and TS upgrades, and Grafana Lab's k6 load testing tool... also can now run native TS tests. From the community: type safety for WebGPU shaders, type narrowing map and indexed key access, and resilient import maps.

Chapters

(00:00) - Introduction and Personal News

(05:02) - News: Biome v2 Features Type-aware Linting Without TSC

(08:25) - News: Mocha 11.7.0 Adds Support for Native ESM and TypeScript

(09:35) - News: Jest 30 Also Adds Native ESM and TypeScript Support

(11:12)…