From: Evan You <yyx990803@gmail.com>
Date: Thu, 12 Dec 2019 16:44:18 +0000 (-0500)
Subject: fix(runtime-core): initialize renderCache if not present
X-Git-Tag: v3.0.0-alpha.0~59
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3116b5d6c3628c88a290c487bc0a21c63689c606;p=thirdparty%2Fvuejs%2Fcore.git

fix(runtime-core): initialize renderCache if not present
---

diff --git a/packages/runtime-core/src/componentProxy.ts b/packages/runtime-core/src/componentProxy.ts
index 0638b9bd3c..02629fdddc 100644
--- a/packages/runtime-core/src/componentProxy.ts
+++ b/packages/runtime-core/src/componentProxy.ts
@@ -51,7 +51,7 @@ const publicPropertiesMap: Record<
 > = {
   $: i => i,
   $el: i => i.vnode.el,
-  $cache: i => i.renderCache,
+  $cache: i => i.renderCache || (i.renderCache = []),
   $data: i => i.data,
   $props: i => i.propsProxy,
   $attrs: i => i.attrs,