facebookexperimental/Recoil

https://codesandbox.io/s/downstreamselector-re-evaluated-still-xsexpx

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#1727 opened on Apr 11, 2022

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 (0 comments) (0 reactions) (0 assignees)JavaScript (19,428 stars) (1,151 forks)batch import
help wantedperformance

Description

https://codesandbox.io/s/downstreamselector-re-evaluated-still-xsexpx @drarmstr Look at this, still cause re-evaluation,is there any solution

Originally posted by @WilkinWendy in https://github.com/facebookexperimental/Recoil/issues/1660#issuecomment-1074700849

Contributor guide

Tech stack
javascriptreact
Domain
frontend
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
unclear
Prerequisites
Recoil selectorsReact hooksJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20
Research direction
Investigate the CodeSandbox linked in the title to reproduce the re evaluation issue. Review the referenced issue #1660 for context and previous discussion. Examine Recoil's selector evaluation logic in the source code to determine if this is a known behavior or a bug.