const pTap = require('p-tap');

Promise.resolve('unicorn')
	.then(pTap(console.log)) // logs `unicorn`
	.then(value => {
		// `value` is still `unicorn`
	});

const pTap = require('p-tap');

getUser()
	.then(pTap(user => recordStatsAsync(user))) // stats are saved about `user` async before the chain continues
	.then(user => {
		// `user` is the user from getUser(), not recordStatsAsync()
	});

const pTap = require('p-tap');

Promise.resolve(() => doSomething())
	.catch(pTap.catch(console.error)) // prints any errors
	.then(handleSuccess)
	.catch(handleError);