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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
I was ready to be excited from the title, but was utterly disappointed :(
IMO these aren’t macros in the Lisp-sense of the word (or Rust, or even C); yeah they run code at compile time, but that’s where the common ends.
Macros should be able to apply syntactic transformation on the code. Lisp is famous for allowing that by representing code as lists. Rust has a compiler-level API to give tokens and run arbitrary code, then spit new tokens out. C macros operate on the tokens level, so with enough magic you can transform code to the shape you want.
This… isn’t any of that.
A pretty good example (and something I’m still sad that it didn’t take off) of macros in JS is Sweet.js[0]. Babel macros[1] are a bit higher level, where macros require the input to already be a valid AST, but that’s also cool.
This… I’d say it’s more of a build-time code execution feature, not a macro feature.
[0]: https://www.sweetjs.org/