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@ -1280,6 +1280,10 @@ function handle_event_propagation(root_element, event) {
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const handled_at = event.__root;
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if (handled_at) {
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const at_idx = path.indexOf(handled_at);
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if (at_idx !== -1 && root_element === document) {
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// This is the fallback document listener but the event was already handled -> ignore
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return;
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}
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if (at_idx < path.indexOf(root_element)) {
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path_idx = at_idx;
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}
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@ -2778,6 +2782,7 @@ export function mount(component, options) {
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set_current_hydration_fragment(previous_hydration_fragment);
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}
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const bound_event_listener = handle_event_propagation.bind(null, container);
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const bound_document_event_listener = handle_event_propagation.bind(null, document);
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/** @param {Array<string>} events */
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const event_handle = (events) => {
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@ -2785,6 +2790,9 @@ export function mount(component, options) {
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const event_name = events[i];
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if (!registered_events.has(event_name)) {
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registered_events.add(event_name);
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// Add the event listener to both the container and the document.
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// The container listener ensures we catch events from within in case
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// the outer content stops propagation of the event.
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container.addEventListener(
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event_name,
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bound_event_listener,
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@ -2794,6 +2802,17 @@ export function mount(component, options) {
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}
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: undefined
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);
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// The document listener ensures we catch events that originate from elements that were
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// manually moved outside of the container (e.g. via manual portals).
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document.addEventListener(
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event_name,
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bound_document_event_listener,
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PassiveDelegatedEvents.includes(event_name)
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? {
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passive: true
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}
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: undefined
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);
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}
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}
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};
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Ben McCann
7 months ago