I feel like Typescript is a good analogy here. Typescript is its own language, but it is intended to be transpiled into Javascript. Yes, you could probably crea

I feel like Typescript is a good analogy here. Typescript is its own language, but it is intended to be transpiled into Javascript. Yes, you could probably create a JIT that executes Typescript directly—but you would do so at your own peril. Reaching for an existing Javascript interpreter such as JavaScriptCore or V8 is the logical choice.