fix: don't delegate events on custom elements, solve edge case stopPropagation issue #14913
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…opagation issue - don't delegate events on custom elements - still invoke listener for cancelled event on the element where it was cancelled: when you do `stopPropagation`, `event.cancelBubble` becomes `true`. We can't use this as an indicator to not invoke a listener directly, because the listner could be on the element where propagation was cancelled, i.e. it should still run for that listener. Instead, adjust the event propagation algorithm to detect when a delegated event listener caused the event to be cancelled fixes #14704
🦋 Changeset detectedLatest commit: c05abb5 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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Won't this now break if someone does |
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Mhm yeah they would fire wrongfully now - whereas they did not fire wrongfully previously. I see no way to solve both cases other than patching stop(Immediate)Propagation |
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I've just tested on my repository and confirm it does correct #14704 |
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stopPropagation,event.cancelBubblebecomestrue. We can't use this as an indicator to not invoke a listener directly, because the listner could be on the element where propagation was cancelled, i.e. it should still run for that listener. Instead, adjust the event propagation algorithm to detect when a delegated event listener caused the event to be cancelledfixes #14704
Before submitting the PR, please make sure you do the following
feat:,fix:,chore:, ordocs:.packages/svelte/src, add a changeset (npx changeset).Tests and linting
pnpm testand lint the project withpnpm lint