From b210fd008b9253f0c755c21e157cd7fb069c8445 Mon Sep 17 00:00:00 2001
From: Matthew Phillips <matthew@matthewphillips.info>
Date: Thu, 3 Feb 2022 16:41:48 -0500
Subject: [PATCH] Append to list of HMR modules, don't override (#2532)

* Append to list of HMR modules, don't override

* Changeset
---
 .changeset/four-mirrors-wonder.md           | 5 +++++
 packages/astro/src/vite-plugin-astro/hmr.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/four-mirrors-wonder.md

diff --git a/.changeset/four-mirrors-wonder.md b/.changeset/four-mirrors-wonder.md
new file mode 100644
index 000000000..901fbf523
--- /dev/null
+++ b/.changeset/four-mirrors-wonder.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes HMR of .astro modules in astro@next
diff --git a/packages/astro/src/vite-plugin-astro/hmr.ts b/packages/astro/src/vite-plugin-astro/hmr.ts
index 84f06cda5..12bf274d0 100644
--- a/packages/astro/src/vite-plugin-astro/hmr.ts
+++ b/packages/astro/src/vite-plugin-astro/hmr.ts
@@ -49,7 +49,7 @@ export function handleHotUpdate(ctx: HmrContext, config: AstroConfig) {
 
 	// go through each of these modules importers and invalidate any .astro compilation
 	// that needs to be rerun.
-	const filtered = new Set<ModuleNode>();
+	const filtered = new Set<ModuleNode>(ctx.modules);
 	const files = new Set<string>();
 	for (const mod of ctx.modules) {
 		if (mod.file && isCached(config, mod.file)) {