fix

Author: trueadm

packages/svelte/src/internal/client/render.js

@@ -319,12 +319,15 @@ export function event(event_name, dom, handler, capture, passive) {
 		capture,
 		passive
 	};
-	const target_handler = (/** @type {Event} */ event) => {
+	/**
+	 * @this {EventTarget}
+	 */
+	function target_handler(/** @type {Event} */ event) {
 		handle_event_propagation(dom, event);
 		if (!event.cancelBubble) {
-			handler(event);
+			return handler.call(this, event);
 		}
-	};
+	}
 	dom.addEventListener(event_name, target_handler, options);
 	// @ts-ignore
 	if (dom === document.body || dom === window || dom === document) {
@@ -878,8 +881,8 @@ export function bind_resize_observer(dom, type, update) {
 		type === 'contentRect' || type === 'contentBoxSize'
 			? resize_observer_content_box
 			: type === 'borderBoxSize'
-				? resize_observer_border_box
-				: resize_observer_device_pixel_content_box;
+			? resize_observer_border_box
+			: resize_observer_device_pixel_content_box;
 	const unsub = observer.observe(dom, /** @param {any} entry */ (entry) => update(entry[type]));
 	render_effect(() => unsub);
 }
@@ -1603,8 +1606,8 @@ export function element(anchor_node, tag_fn, render_fn, is_svg = false) {
 				? current_hydration_fragment !== null
 					? /** @type {HTMLElement | SVGElement} */ (current_hydration_fragment[0])
 					: is_svg
-						? document.createElementNS('http://www.w3.org/2000/svg', tag)
-						: document.createElement(tag)
+					? document.createElementNS('http://www.w3.org/2000/svg', tag)
+					: document.createElement(tag)
 				: null;
 			const prev_element = element;
 			if (prev_element !== null) {
@@ -2866,7 +2869,7 @@ export function mount(component, options) {
 					PassiveDelegatedEvents.includes(event_name)
 						? {
 								passive: true
-							}
+						  }
 						: undefined
 				);
 				// The document listener ensures we catch events that originate from elements that were
@@ -2877,7 +2880,7 @@ export function mount(component, options) {
 					PassiveDelegatedEvents.includes(event_name)
 						? {
 								passive: true
-							}
+						  }
 						: undefined
 				);
 			}