Function swc_ecma_transforms_compat::es2017::async_to_generator

pub fn async_to_generator() -> impl Fold + VisitMut

@babel/plugin-transform-async-to-generator

In

async function foo() {
  await bar();
}

Out

var _asyncToGenerator = function (fn) {
  ...
};
var foo = _asyncToGenerator(function* () {
  yield bar();
});