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sync-my-asyncs.js

const nano = require('nano')('http://localhost:5984');

(async function gobbler() {

//Async-await pattern:

const myfunc = async function asyncCall() {
  try {
    await nano.db.destroy('alice');
  }
  catch(e) {
    console.log(e); // triggers first run
  }
  await nano.db.create('alice');
  const alice = nano.use('alice');
  const response = await alice.insert({ happy: true }, 'rabbit');
  return response;
};
await myfunc();

//Promise pattern:

await nano.db.destroy('alice')
.catch((error) => { // shouldn't trigger...
  console.log(error);
})
.then((result) => {
  console.log(result);
  return nano.db.create('alice');
})
.then((result) => {
  console.log(result);
  const alice = nano.use('alice');
  return alice.insert({ happy: true }, 'rabbit');
})
.then((result) => {
  console.log(result);
})
.catch((error) => {
  console.log(error);
})
.finally(() => {
  console.log("all done!");
});

//Abbreviated promise:

await nano.db.destroy('alice').catch(() => { })
.then(() => nano.db.create('alice'))
.then(() => { return nano.use('alice') })
.then((useResult) => useResult.insert({ happy: true }, 'rabbit'));

})();