Slider: performance issues with lot of ticks

[ondrejsusovsky]

Describe the bug

When slider is created with lot of ticks (even if they're not actually rendered), it uses lot of memory and is slow to update.
Deleting ticksPropsArr and friends from the source fixes the issue.

Reproduction

https://stackblitz.com/edit/ymlj9bd4-beofexwx?file=src%2Froutes%2F%2Bpage.svelte

Logs

System Info

System:
    OS: Linux 5.0 undefined
    CPU: (8) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
    Memory: 0 Bytes / 0 Bytes
    Shell: 1.0 - /bin/jsh
  Binaries:
    Node: 20.19.1 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 10.8.2 - /usr/local/bin/npm
    pnpm: 8.15.6 - /usr/local/bin/pnpm
  npmPackages:
    @sveltejs/kit: ^2.16.0 => 2.22.0 
    bits-ui: latest => 2.8.8 
    svelte: ^5.0.0 => 5.34.7

Severity

annoyance