From 99764b2cf0f50cd38d0ee677229f2f1239db97dc Mon Sep 17 00:00:00 2001
From: Tan Li Hau <tanhauhau@users.noreply.github.com>
Date: Wed, 13 Apr 2022 18:07:22 +0800
Subject: [PATCH] Update src/runtime/action/index.ts

Co-authored-by: Ignatius Bagus <ignatius.mbs@gmail.com>
---
 src/runtime/action/index.ts | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/runtime/action/index.ts b/src/runtime/action/index.ts
index cc0047603a..679ebc7e41 100644
--- a/src/runtime/action/index.ts
+++ b/src/runtime/action/index.ts
@@ -17,14 +17,10 @@
  *
  * Docs: https://svelte.dev/docs#template-syntax-element-directives-use-action
  */
-export type ActionReturn<Parameter = any> = void extends Parameter
-	? {
-		destroy?: () => void;
-	}
-	: {
-		update?: (parameter: Parameter) => void;
-		destroy?: () => void;
-	}
+interface ActionReturn<Parameter = void> {
+	update?: void extends Parameter ? undefined : (parameter: Parameter) => void;
+	destroy?: () => void;
+}
 
 /**
  * Actions are functions that are called when an element is created.