From 35f658db9f7f148cd14d4902daab752295a7e90f Mon Sep 17 00:00:00 2001
From: HcySunYang <HcySunYang@outlook.com>
Date: Mon, 30 Dec 2019 20:42:22 +0800
Subject: [PATCH] fix: correct the symbol check

close #116
---
 src/utils.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/utils.ts b/src/utils.ts
index fa367d3a..d5da2107 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -2,7 +2,13 @@ import Vue from 'vue';
 
 const toString = (x: any) => Object.prototype.toString.call(x);
 
-export const hasSymbol = typeof Symbol === 'function' && Symbol.for;
+export function isNative (Ctor: any): boolean {
+  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
+}
+
+export const hasSymbol =
+  typeof Symbol !== 'undefined' && isNative(Symbol) &&
+  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys)
 
 export const noopFn: any = (_: any) => _;