TypeScript 7 (Project Corsa): What Next.js Devs Need to Know
TypeScript 7 rewrites the compiler in Go for 10x faster builds. Here's what it means for your Next.js project and what to do right now.
16 min readZeeshan Tofiq
TypeScript
4 articles
TypeScript coverage anchored on the TypeScript 7 transition. Articles include a full migration guide, what the native Go port known as Project Corsa changes for a Next.js codebase, and a diagnosis of how TypeScript 7 broke ESLint, ts-jest, and ts-morph along with the workarounds for each. There is also a breakdown of Node.js removing experimental type stripping and what that means for running TypeScript directly. Every compatibility claim names the package versions it was reproduced against, because that detail is what makes the difference between a fix and a guess.
TypeScript 7 Migration Guide: tsgo, Breaking Changes, Build Times
Migrate to TypeScript 7 (tsgo): install the beta, fix the 4 breaking changes, update tsconfig, and decide if upgrading now is worth it.
25 min readZeeshan Tofiq
Why Your TypeScript 7 Upgrade Broke ESLint, ts-jest, and ts-morph
TypeScript 7's native compiler breaks typescript-eslint, ts-jest, and ts-morph. Here's exactly why, and the side-by-side setup that fixes it.
11 min readZeeshan Tofiq
Node.js Dropped --experimental-transform-types: What Breaks and How to Fix It
Node.js 26 (and 24.12+/25.2+) removed --experimental-transform-types. Here's exactly why your TypeScript enums broke and how to fix them.
13 min readZeeshan Tofiq