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

2019-10-16 15:46:41 +01:00 · 2019-10-16 15:46:41 +01:00 · 6607edab2d
commit 6607edab2d
parent b20b922d99
1 changed files with 3 additions and 2 deletions
--- 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) {