Async Await try-catch hell

async-await-without-trycatch-hell.js

// #1 catch in promise-based
await step1().catch(fun);
async function gettingBetter() {
  const a = await step1().catch(err => handle(err));
  const b = await step2().catch(err => handle(err));
  const c = await step3().catch(err => handle(err));
}

// #2 create a function handle try catch => [data, error]
async function awesome() {
  try {
    const data = await promise;
    return [data, null];
  } catch (error) {
    console.error(error);
    return [null, error];
  }
}

async function main() {
  const [data, error] = await awesome();
  
  if (error) {
    // handle error here  
  }
  
  const [data2, error2] = await awesome();
  const [data3, error3] = await awesome();
}