What is SWC? swc (opens in a new tab) (speedy web compiler) is a super-fast JavaScript compiler. What can SWC do? It can transpile TypeScript / jsx / ECMAScript 2019 to browser-compatible JavaScript. // input.js class Foo { set foo(v) {} } class Bar extends Foo { get bar1() {} async bar2() {} } How fast is SWC? It's 16x - 20x faster than babel even on single-core synchronous benchmark. Note that a
![Introducing SWC 1.0 – SWC](https://cdn-ak-scissors.b.st-hatena.com/image/square/f053ad79bd7bfef841439b06761d35b7bbc2ab14/height=288;version=1;width=512/https%3A%2F%2Fuser-images.githubusercontent.com%2F9113740%2F140682117-5e9f460e-c8f1-447c-88a0-e75f80779260.png)