From bafc19289293c3f91740bfdcf6f2433062143832 Mon Sep 17 00:00:00 2001
From: Herrington Darkholme <nonamesheep1@gmail.com>
Date: Wed, 1 Nov 2017 22:38:46 +0800
Subject: [PATCH] fix: fix nullable type in ts 2.6

---
 src/component.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/component.ts b/src/component.ts
index f583ffd..eeec4a8 100644
--- a/src/component.ts
+++ b/src/component.ts
@@ -34,7 +34,7 @@ export function componentFactory (
       options[key] = proto[key]
       return
     }
-    const descriptor = Object.getOwnPropertyDescriptor(proto, key)
+    const descriptor = Object.getOwnPropertyDescriptor(proto, key)!
     if (typeof descriptor.value === 'function') {
       // methods
       (options.methods || (options.methods = {}))[key] = descriptor.value