Function custom_before_pass

pub fn custom_before_pass<'a, C>(
    cm: Arc<SourceMap>,
    file: Arc<SourceFile>,
    opts: &'a TransformOptions,
    comments: C,
    eliminated_packages: Rc<RefCell<FxHashSet<String>>>,
    unresolved_mark: Mark,
) -> impl Pass + 'a
where
    C: Clone + Comments + 'a,