Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

From Discord: Handling asynchronous operations with Ref in the Effect Typescript library can indeed be tricky... #1042

Open
effect-bot opened this issue Jan 27, 2025 · 0 comments

Comments

@effect-bot
Copy link

Summary

In the conversation, the user, liambutlerlawrence, was dealing with asynchronous operations on a Ref in the Effect Typescript library, which requires synchronous modifications. The issue arose when trying to use a Ref and Context to manage a CookieJar from the tough-cookie library, as its setCookie method is asynchronous. This led to race conditions because asynchronous operations on the Ref required separate get and set calls.

User maxwellbrown suggested using SynchronizedRef, which handles effectful operations safely by wrapping modifications in a semaphore, preventing race conditions. This solution was exactly what liambutlerlawrence needed.

Key Takeaways:

  1. Ref in Effect Typescript requires synchronous modifications, which can lead to race conditions when dealing with asynchronous operations.
  2. SynchronizedRef is the solution for handling effectful transformations on state, providing safety with concurrent asynchronous modifications.
  3. Documentation can be improved by linking related concepts, such as directing users dealing with async operations to consider SynchronizedRef.

Discord thread

https://discord.com/channels/795981131316985866/1333503169443004530

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

1 participant