Loop and append to Another array

promisewithloop.js

const getAddress = async (addresses) => {
  const existingAddresses = [];
  const res = addresses.map(async (item) => {
    const address = await getAddressInfo({ nrg_address: item });
    // console.log(address);
    if (address) {
      console.log("here");
      return existingAddresses.push(address);
    }
  });

  return Promise.all(res).then(() => existingAddresses);
};