From 6931af2f45e34306bce12f9e245e2fff81302caa Mon Sep 17 00:00:00 2001
From: Conduitry <git@chor.date>
Date: Sat, 29 Feb 2020 12:10:19 -0500
Subject: [PATCH] still include $$props arg when necessary

---
 src/compiler/compile/render_dom/index.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/compiler/compile/render_dom/index.ts b/src/compiler/compile/render_dom/index.ts
index 14b415e12f..1ecc4065b4 100644
--- a/src/compiler/compile/render_dom/index.ts
+++ b/src/compiler/compile/render_dom/index.ts
@@ -259,6 +259,9 @@ export default function dom(
 		inject_state;
 	if (has_invalidate) {
 		args.push(x`$$props`, x`$$invalidate`);
+	} else if (component.compile_options.dev) {
+		// $$props arg is still needed for unknown prop check
+		args.push(x`$$props`);
 	}
 
 	const has_create_fragment = block.has_content();