From 9898088c0a976da2cbf7607d92e5daf5db6a4536 Mon Sep 17 00:00:00 2001
From: Matthew Phillips <matthew@skypack.dev>
Date: Fri, 30 Sep 2022 19:25:22 -0400
Subject: [PATCH] =?UTF-8?q?Convert=20HTMLString=20to=20regular=20string,?=
 =?UTF-8?q?=20preventing=20hydration=20script=20fro=E2=80=A6=20(#4932)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* Convert HTMLString to regular string, preventing hydration script from being missing

* Add a changeset
---
 .changeset/khaki-tables-remember.md                | 5 +++++
 packages/astro/src/runtime/server/render/common.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/khaki-tables-remember.md

diff --git a/.changeset/khaki-tables-remember.md b/.changeset/khaki-tables-remember.md
new file mode 100644
index 000000000..5ce7873d9
--- /dev/null
+++ b/.changeset/khaki-tables-remember.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Prevent hydration mismatch in streaming SSR
diff --git a/packages/astro/src/runtime/server/render/common.ts b/packages/astro/src/runtime/server/render/common.ts
index b8a998a4a..9274210f5 100644
--- a/packages/astro/src/runtime/server/render/common.ts
+++ b/packages/astro/src/runtime/server/render/common.ts
@@ -69,7 +69,7 @@ export class HTMLParts {
 	}
 	toArrayBuffer() {
 		this.parts.forEach((part, i) => {
-			if (typeof part === 'string') {
+			if(!ArrayBuffer.isView(part)) {
 				this.parts[i] = encoder.encode(String(part));
 			}
 		});