I wrote some Typescript AST walking code recently, and could not for the life of me figure out what the advantage of the visitor pattern was here. It seemed to

I wrote some Typescript AST walking code recently, and could not for the life of me figure out what the advantage of the visitor pattern was here. It seemed to only overcomplicate the implementation, made it much more difficult to track where you were in the tree and target specific nodes and seemed much easier to just call getChildren and iterate.