From c75c2e7a9fd559702c87787e0a1c6212522b9450 Mon Sep 17 00:00:00 2001
From: Matteo Manfredi <matteo@manfredi.io>
Date: Tue, 27 Jun 2023 13:56:39 +0200
Subject: [PATCH 1/3] feat: replace `setTimeout()` with `queueMicrotask()`

---
 packages/astro/src/runtime/server/render/util.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/astro/src/runtime/server/render/util.ts b/packages/astro/src/runtime/server/render/util.ts
index 1f0aae047b34..182700976cbc 100644
--- a/packages/astro/src/runtime/server/render/util.ts
+++ b/packages/astro/src/runtime/server/render/util.ts
@@ -149,10 +149,10 @@ export function bufferIterators<T>(iterators: AsyncIterable<T>[]): AsyncIterable
 	const eagerIterators = iterators.map((it) => new EagerAsyncIterableIterator(it));
 	// once the execution of the next for loop is suspended due to an async component,
 	// this timeout triggers and we start buffering the other iterators
-	setTimeout(() => {
+	queueMicrotask(() => {
 		// buffer all iterators that haven't started yet
 		eagerIterators.forEach((it) => !it.isStarted() && it.buffer());
-	}, 0);
+	});
 	return eagerIterators;
 }
 

From b9b58f78e53255bfd6282eab73b17b64a356deeb Mon Sep 17 00:00:00 2001
From: Matteo Manfredi <matteo@manfredi.io>
Date: Tue, 27 Jun 2023 14:27:22 +0200
Subject: [PATCH 2/3] Create sixty-tips-play.md

---
 .changeset/sixty-tips-play.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/sixty-tips-play.md

diff --git a/.changeset/sixty-tips-play.md b/.changeset/sixty-tips-play.md
new file mode 100644
index 000000000000..8afe47da6c3b
--- /dev/null
+++ b/.changeset/sixty-tips-play.md
@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Update `setTimeout()` to `queueMicrotask()`

From 3b51a0df9d6d9375983459f59e7ff1bf107daa02 Mon Sep 17 00:00:00 2001
From: Matteo Manfredi <matteo@manfredi.io>
Date: Tue, 27 Jun 2023 15:51:02 +0200
Subject: [PATCH 3/3] Update changeset

---
 .changeset/sixty-tips-play.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.changeset/sixty-tips-play.md b/.changeset/sixty-tips-play.md
index 8afe47da6c3b..31ebef4dac2a 100644
--- a/.changeset/sixty-tips-play.md
+++ b/.changeset/sixty-tips-play.md
@@ -2,4 +2,4 @@
 "astro": patch
 ---
 
-Update `setTimeout()` to `queueMicrotask()`
+Replaces the instance of `setTimeout()` in the runtime to use `queueMicrotask()`, to resolve limitations on Cloudflare Workers.