babel/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/hack-hash/pipe-body-with-yield/exec.js

function *myGenerator(n) {
  return n
  |> (yield #)
  |> Math.abs(#);
}

const myIterator = myGenerator(15);

const yieldedValue = myIterator.next().value;
const returnedValue = myIterator.next(-30).value;

expect(yieldedValue).toBe(15);
expect(returnedValue).toBe(30);