GopherCon 2025: Porting the TypeScript Compiler to Go for a 10x Speedup V2 - Jake Bailey

Why watch

Jake Bailey presents the technical approach and challenges of porting the 150,000+ line TypeScript compiler to Go, achieving a 10x performance improvement. The talk covers the rationale for choosing Go as a porting language, specific technical hurdles in maintaining compiler correctness across languages, and lessons learned from migrating 90,000+ tests. Ideal for developers working on compiler infrastructure, language tooling, or large-scale performance optimization projects.