How to create your own metalanguage in JavaScript?

Question

JavaScript

I want to create my own metalanguage (ala Jade, but in a simpler way). How are these things done, where to start, what to read?
How to parse this code, how to build an AST tree and then how to generate html from it?

Answer 1

https://developer.mozilla.org/en-US/docs/Web/JavaS...
www.2ality.com/2014/12/es6-proxies.html
blog.keithcirkel.co.uk/metaprogramming-in-es6 -symbols

Answer 2

pegjs.org