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BUG | useVirtualList | Invalid watch source with doc example #4854

Closed
@Kruptein

Description

@Kruptein

Describe the bug

When using the "simple list" example in the useVirtualList docs:

import { useVirtualList } from '@vueuse/core'

const { list, containerProps, wrapperProps } = useVirtualList(
  Array.from(Array.from({ length: 99999 }).keys()),
  {
    // Keep `itemHeight` in sync with the item's row.
    itemHeight: 22,
  },
)

console warnings appear about the provided data not being a valid watch source.

Reproduction

https://play.vueuse.org/#N4IgDghgxg1hDmBTAziAXAbVAOwgW0XRADcBXRAWgBNE8BLEAGhGQHtSAnKQtEU7MDHhMQNZFA50wAFzqtsRAGrkABABFadFQAoAFhAA2AMxV1sKgGIdE2KLoCUp5CogqaxRAdZgz8FaVkDOmkATxcDLwB3ZxD2FWlWFUjJaUQVAFVsOg8OZEMVZTSAGToAIw4ISRQVI1YOAtUAJhUAMhUAZhFOAyJdaWkwZDQAemH+QXgAOihWPGGyShp6YaDS4bMaAA9JvAArVABfRhx8HhAAAQXSZERh5H1rKhE2Tm4icaERMQkpWXkiADKD0QVAaiHSN38gWCdBQky6HB6vD6AyGow+Uxmc0u5Gut3ulRB5wAjAAGSbEyak9bYLY7fYgI4nAhEHGIPHDGbWZ7sLhnDFfFA-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

System Info

System:
    OS: Linux 6.6 Ubuntu 22.04.5 LTS 22.04.5 LTS (Jammy Jellyfish)
    CPU: (24) x64 AMD Ryzen 9 5900X 12-Core Processor
    Memory: 7.47 GB / 9.71 GB
    Container: Yes
    Shell: 5.1.16 - /bin/bash
  Binaries:
    Node: 22.17.0 - ~/.nvm/versions/node/v22.17.0/bin/node
    Yarn: 1.22.10 - /usr/local/bin/yarn
    npm: 10.9.2 - ~/.nvm/versions/node/v22.17.0/bin/npm
    pnpm: 10.7.0 - ~/.local/share/pnpm/pnpm
  npmPackages:
    @vueuse/core: ^13.5.0 => 13.5.0
    vue: ^3.5.17 => 3.5.17

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