cleanup

packages/svelte/src/internal/client/dom/task.js

@@ -12,7 +12,12 @@ export const request_idle_callback =
 export const schedule_yield =
 	// @ts-ignore
 	typeof scheduler === 'undefined'
-		? (/** @type {() => void} */ cb) => setTimeout(cb, 1)
+		? (/** @type {() => void} */ cb) => {
+			// For Safari, we fallback to using MessageChannel
+			const channel = new MessageChannel();
+			channel.port1.onmessage = cb;
+			channel.port2.postMessage(undefined);
+		}
 		: async (/** @type {() => void} */ fn) => {
 				// @ts-ignore
 				await scheduler.yield();