Svelte 5 $effect rune and untrack

[IOnlyNeedParenthesis]

Describe the bug

The effect doesn't run when it's dependency changes.
Explaining would just be pseudocode so see https://github.com/IOnlyNeedParenthesis/svelte5-effect-untrack-repro/blob/main/src/routes/test/%2Bpage.svelte

Reproduction

https://github.com/IOnlyNeedParenthesis/svelte5-effect-untrack-repro

Logs

No response

System Info

System:
    OS: Linux 6.10 Arch Linux
    CPU: (8) x64 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz
    Memory: 4.30 GB / 15.40 GB
    Container: Yes
    Shell: 5.2.32 - /usr/bin/bash
  Binaries:
    bun: 1.1.29 - /tmp/bun-node-6d43b3662/bun
  npmPackages:
    svelte: ^5.0.0-next.1 => 5.0.0-next.259 

Browser is firefox

Severity

annoyance

[dummdidumm]

This works as expected. You're reading value only in the else branch, which isn't picked up the first time. Hence the effect does not register value as a dependency, and so it never reruns. Make sure to read value in all branches.

[IOnlyNeedParenthesis]

Thank you, now i understand.