TYPESCRIPT MIGRATES TO GO: WHAT'S REALLY BEHIND THAT 10X PERFORMANCE CLAIM?

Summary from the TLDR Web Dev newsletter

Microsoft recently announced the porting of the TypeScript compiler from JavaScript to Go, promising a 10x performance improvement. However, the performance increase applies specifically to the compilation process, not the execution speed of TypeScript code itself. The shift to Go allows for better utilization of concurrency through goroutines, addressing the limitations of JavaScript's single-threaded event loop, which struggles with CPU-intensive tasks like compiling.