From: Carlos Rodrigues <david-181@hotmail.com>
Date: Wed, 16 Oct 2019 14:46:41 +0000 (+0100)
Subject: refactor(compiler-core): avoid has call (#314)
X-Git-Tag: v3.0.0-alpha.0~401
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6607edab2da8c03ffd525ef5caaf2dfb3c581de2;p=thirdparty%2Fvuejs%2Fcore.git

refactor(compiler-core): avoid has call (#314)
---

diff --git a/packages/compiler-core/src/transforms/hoistStatic.ts b/packages/compiler-core/src/transforms/hoistStatic.ts
index 733c903fbc..ecadeddff4 100644
--- a/packages/compiler-core/src/transforms/hoistStatic.ts
+++ b/packages/compiler-core/src/transforms/hoistStatic.ts
@@ -116,8 +116,9 @@ function isStaticNode(
       if (node.tagType !== ElementTypes.ELEMENT) {
         return false
       }
-      if (resultCache.has(node)) {
-        return resultCache.get(node)!
+      const cached = resultCache.get(node)
+      if (cached !== undefined) {
+        return cached
       }
       const flag = getPatchFlag(node)
       if (!flag || flag === PatchFlags.TEXT) {