JS：为重构重命名变量（使用AST，而不是文本）

I often need to rename variables when refactoring code, which I currently do in a somewhat hacky way using regexs - I end up having to come with silly text workaround workarounds for the lack of actual structure, eg, rename 'req' to 'request' and avoid side effects with similar names like 'require'. I often need to rename variables when refactori