2021 #3 Server Side JavaScript

PragueJS
PragueJS
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Get out and get social in 2020 : come out and discuss JS together!
Get in touch with the organizers with any questions you have. We welcome a diverse range of topics that are related in any way to JavaScript and the community around it.
Also, be sure to sign up for our newsletter here on meetup.com to be notified when new events are announced.
Talks from previous meetups can be found on our YT channel: https://www.youtube.com/playlist?list=PLhkTsdQVsKvN_TNQ_LZz_-LZzRLSlzKWh

Venue schedule:

18.30 - door open

18.45 - talks kick off
20.45 - talks done
21.00 - beer time

AGENDA:

Hold my context!
Miroslav Bajtoš | IBM

Abstract:

Preserving contextual data across asynchronous calls has been always tricky in Node.js land. For example, how to pass information about the current user or a correlation (transaction) id from the code processing incoming HTTP requests to the code calling a backend web service? Traditional runtimes like C and Java can utilize thread-local storage, which does not work for Node's single-threaded event loop.

The talk will describe different solutions people have been using (and abandoning) over the past 6+ years, dive into history of domains and async hooks, explain what's so difficult about context keeping, and finally offer the bright future that's coming with the recently introduced AsyncLocalStorage API.



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