test-repo/tests/format/js/generator/anonymous.js

const f1 = function* () {
  yield 0;
};
  
const f2 = function * () {
  yield 0;
};

const f3 = function* () {
};
  
(function* () {
  yield 0;
});
  
(function * () {
  yield 0;
});

(function* () {
});