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fix: don't throw for undefined non delegated event handlers #15087

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merged 2 commits into from
Jan 22, 2025

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paoloricciuti
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Closes #15081

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changeset-bot bot commented Jan 22, 2025

🦋 Changeset detected

Latest commit: ea99f27

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
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Playground

pnpm add https://pkg.pr.new/svelte@15087

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@dummdidumm dummdidumm left a comment

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looks good apart from a typing suggestion

@@ -63,7 +63,7 @@ export function create_event(event_name, dom, handler, options) {
}
if (!event.cancelBubble) {
return without_reactive_context(() => {
return handler.call(this, event);
return handler?.call(this, event);
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we should probably also adjust the call signature to allow undefined for the handler param, and adjust that for export function event(...) aswell

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Oh good catch...gonna fix them soon

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Fixed it

@paoloricciuti paoloricciuti merged commit 7da86ef into main Jan 22, 2025
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@paoloricciuti paoloricciuti deleted the undefined-event-handler branch January 22, 2025 13:34
This was referenced Jan 22, 2025
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Nullish event handler produces TypeError
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