From d1d61e9b48c9bee30429e72534ac0e0fb0a17f41 Mon Sep 17 00:00:00 2001
From: Westbrook Johnson <westbrook.johnson@gmail.com>
Date: Wed, 22 Feb 2023 10:23:15 -0500
Subject: [PATCH] Fix falsey fallback

---
 packages/dev-server-rollup/src/rollupAdapter.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/dev-server-rollup/src/rollupAdapter.ts b/packages/dev-server-rollup/src/rollupAdapter.ts
index 67e5cc3132..a0b998c488 100644
--- a/packages/dev-server-rollup/src/rollupAdapter.ts
+++ b/packages/dev-server-rollup/src/rollupAdapter.ts
@@ -209,7 +209,7 @@ export function rollupAdapter(
           result = await idResolver.call(rollupPluginContext, resolvableImport, filePath, {
             ...resolveOptions,
             assertions: {
-              ...(resolveOptions?.assertions || []),
+              ...(resolveOptions?.assertions as Record<string, string> || {}),
             },
             isEntry: false,
           });