Async JS Functions' Shared scope

async-scope.js

// option 1
() => {
  return call1().then(response1 => {
    return call2(response1.field);
  }).then(response2 => {
    console.log({ response1, response2 }); // response1 not in scope
  });
};


// option 2
() => {
  return call1().then(response1 => {
    return call2(response1.field).then(response2 => {
      console.log({ response1, response2 }); // nested promises not great
    });
  });
};


// option 3
async () => {
  const response1 = await call1();
  const response2 = await call2(response1.field);
  console.log({ response1, response2 }); // both responses available
};