Fixes an issue with cssesc in dev mode when setting vite.ssr.noExtern…

…al: true (#12232) * Fixes an issue with cssesc in dev mode when setting vite.noExternal: true * Update dirty-bags-double.md
withastro · Oct 15, 2024 · ff68ba5 · ff68ba5
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diff --git a/.changeset/dirty-bags-double.md b/.changeset/dirty-bags-double.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes an issue with cssesc in dev mode when setting `vite.ssr.noExternal: true`
diff --git a/packages/astro/src/core/create-vite.ts b/packages/astro/src/core/create-vite.ts
@@ -71,6 +71,8 @@ const ONLY_DEV_EXTERNAL = [
 	'prismjs/components/index.js',
 	// Imported by `astro/assets` -> `packages/astro/src/core/logger/core.ts`
 	'string-width',
+	// Imported by `astro:transitions` -> packages/astro/src/runtime/server/transition.ts
+	'cssesc',
 ];
 
 /** Return a base vite config as a common starting point for all Vite commands. */