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@sebmck @getify @marijnjh With tool-specific API and ASTs you can't reuse various modules from the ecosystem (and there is a lot of them).

@rreverser @getify @marijnjh Modules such as?

@sebmck @getify @marijnjh All the things you are/were reinventing inside of Babel - parsers, traversers, custom codegens, pattern matching.

@sebmck @getify @marijnjh Even ESLint now started accepting ESTree AST + string as an input.

@rreverser @getify @marijnjh Look at https://github.com/babel/babel-eslint …. That is not nice AST interop.

@sebmck @rreverser @marijnjh whatever current (bad) state there is for interop, many of us have been desperately hoping for it to improve

@getify @rreverser @marijnjh I plan for tools to be built on top of Babel, not the other way around.

@sebmck @rreverser @marijnjh i know, but that's not necessarily what other tools want. you're just throwing around the weight of popularity