fix: check reflectionIsSupported in decorator runtime (#350)

* check reflectionIsSupported in decorator runtime * fix lint
vuejs · Nov 11, 2019 · 2fc6ab5 · 2fc6ab5
1 parent f25f35b
commit 2fc6ab5
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/component.ts b/src/component.ts
@@ -83,7 +83,7 @@ export function componentFactory (
 
   forwardStaticMembers(Extended, Component, Super)
 
-  if (reflectionIsSupported) {
+  if (reflectionIsSupported()) {
     copyReflectionMetadata(Extended, Component)
   }
 

diff --git a/src/reflect.ts b/src/reflect.ts
@@ -4,7 +4,9 @@ import { VueClass } from './declarations'
 // The rational behind the verbose Reflect-feature check below is the fact that there are polyfills
 // which add an implementation for Reflect.defineMetadata but not for Reflect.getOwnMetadataKeys.
 // Without this check consumers will encounter hard to track down runtime errors.
-export const reflectionIsSupported = typeof Reflect !== 'undefined' && Reflect.defineMetadata && Reflect.getOwnMetadataKeys
+export function reflectionIsSupported () {
+  return typeof Reflect !== 'undefined' && Reflect.defineMetadata && Reflect.getOwnMetadataKeys
+}
 
 export function copyReflectionMetadata (
   to: VueConstructor,