generated at
Babel
>Babel is a toolchain that is mainly used to convert ECMAScript 2015+ code into a backwards compatible version of JavaScript in current and older browsers or environments.
できること
>Transform syntax
> Polyfill features that are missing in your target environment (through @babel/polyfill)
> Source code transformations (codemods)
> And more! (check out these videos for inspiration)

2018年8月にTypeScriptをサポート