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44 handler_element undefined · Issue #16043 · sveltejs/svelte · GitHub
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handler_element undefined #16043

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tvthatsme opened this issue May 30, 2025 · 0 comments
Open

handler_element undefined #16043

tvthatsme opened this issue May 30, 2025 · 0 comments
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awaiting submitter needs a reproduction, or clarification
Milestone
5.x

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@tvthatsme
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tvthatsme commented May 30, 2025 •
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Describe the bug

Seeing error logs for Uncaught TypeError: Cannot read properties of undefined (reading 'ownerDocument') because it looks like handle_event_propagation is being called while the handler_element is undefined.

The code in question is here https://github.com/sveltejs/svelte/blob/main/packages/svelte/src/internal/client/dom/elements/events.js#L151

This is somehow connected to the user having the jam.dev Chrome extension enabled but I am not sure how the two are intersecting.

Image

Reproduction

So far not able to catch this in a REPL.

Logs

Uncaught TypeError: Cannot read properties of undefined (reading 'ownerDocument')
    at handle_event_propagation (events.js:144:61)
    at HTMLDocument.e (host-additional-hooks.js:2:114630)

System Info

System:
    OS: macOS 15.5
    CPU: (10) arm64 Apple M1 Max
    Memory: 132.94 MB / 32.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 23.7.0 - /opt/homebrew/bin/node
    npm: 11.2.0 - /opt/homebrew/bin/npm
    pnpm: 10.11.0 - /opt/homebrew/bin/pnpm
  Browsers:
    Chrome: 136.0.7103.114
    Safari: 18.5
  npmPackages:
    svelte: ^5.33.7 => 5.32.1

Severity

annoyance
@Conduitry Conduitry added the awaiting submitter needs a reproduction, or clarification label May 30, 2025
@Rich-Harris Rich-Harris added this to the 5.x milestone Jun 2, 2025
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@Rich-Harris @tvthatsme @Conduitry








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