promiseToAsyncAwait.js

function makeRequest(location) {

  return new Promise((resolve, reject) => {
    console.log("making request to " + location);
    if(location === "Google") {
      resolve('Google says Hi');
    } else {
      reject('We only talk to Google');
    }
  })

}

function processRequest(response) {
    return new Promise((resolve, reject) => {
      console.log("Processing request");
      resolve("Extra information " + response);
    }) 
}

// Promise way of doing
makeRequest('Google')
  .then((message) => {
    console.log(message);
    return processRequest(message);
  })
  .then((extra) => {
    console.log(extra);
  })
  .catch((err) => {
    console.log(err);
  })


// syntactic sugar with async/await
async function doWork(location) {
  try {
    const firstResponse =  await makeRequest(location);
    console.log(firstResponse);
    const secondResponse = await processRequest(firstResponse);
    console.log(secondResponse);
  } catch (e) {
    console.log(e);
  }
}

doWork("Facebook");