What is Koa?
Koa is a newly popular Node.js framework created by the team at Express. It was built to be a more expressive, minimalist, and modern version of its predecessor. As a matter of fact, because of its embrace of modern development techniques in JavaScript, it has been referred to by some people as Express 5.0 in spirit.
Development on the Koa framework started sometime in late 2013 by the same team behind Express. It was decided that adding too many breaking changes to Express would be undesirable; hence, the team decided to take the new ideas it had to create a new framework, while development continued on Express itself in parallel. Koa was initially written to leverage the async goodness of the then-newly introduced JavaScript ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access