From 79dd4ab5814bac840d891a360c157ce3b9369776 Mon Sep 17 00:00:00 2001
From: Hannes Rasmussen <111380153+Hannesrasmussen@users.noreply.github.com>
Date: Fri, 25 Oct 2024 03:30:25 +0200
Subject: [PATCH] fix(component-meta): error when signatures is undefined
 (#4930)
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Co-authored-by: 山吹色御守 <85992002+KazariEX@users.noreply.github.com>
---
 packages/component-meta/lib/base.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/component-meta/lib/base.ts b/packages/component-meta/lib/base.ts
index a0d9fbd5b8..901dda662a 100644
--- a/packages/component-meta/lib/base.ts
+++ b/packages/component-meta/lib/base.ts
@@ -540,7 +540,7 @@ function createSchemaResolvers(
 	function resolveSlotProperties(prop: ts.Symbol): SlotMeta {
 		const propType = typeChecker.getNonNullableType(typeChecker.getTypeOfSymbolAtLocation(prop, symbolNode));
 		const signatures = propType.getCallSignatures();
-		const paramType = signatures[0].parameters[0];
+		const paramType = signatures[0]?.parameters[0];
 		const subtype = paramType ? typeChecker.getTypeOfSymbolAtLocation(paramType, symbolNode) : typeChecker.getAnyType();
 		let schema: PropertyMetaSchema;
 		let declarations: Declaration[];