using async/await to catch errors

async function executeAsyncTask () {
  try {
    const valueA = await functionA();
    const valueB = await functionB(valueA);
    const valueC = await functionC(valueB);
    return await functionD(valueC);
  }
  catch (err) {
    logger.error(err);
  } finally {
    await alwaysExecuteThisFunction();
  }
}

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