chore: tweak flushSync implementation (#15898)

4 months ago · 8a351944a3
parent eebb940b31
commit 8a351944a3
1 changed files with 6 additions and 5 deletions
--- a/packages/svelte/src/internal/client/runtime.js
+++ b/packages/svelte/src/internal/client/runtime.js
@ -828,15 +828,16 @@ export function flushSync(fn) {
 		result = fn();
 	}

+	while (true) {
 		flush_tasks();

-	while (queued_root_effects.length > 0) {
+		if (queued_root_effects.length === 0) {
+			return /** @type {T} */ (result);
+		}
+
 		is_flushing = true;
 		flush_queued_root_effects();
-		flush_tasks();
 	}
-
-	return /** @type {T} */ (result);
 }

 /**