From ec8f7c6375c646f700fb18c1e405973e9b0ed368 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=89=A9=E6=95=A3=E6=80=A7=E7=99=BE=E4=B8=87=E7=94=9C?=
 =?UTF-8?q?=E9=9D=A2=E5=8C=85?= <himself65@outlook.com>
Date: Sat, 5 Oct 2019 22:44:02 +0800
Subject: [PATCH] chore: simplify code in apiWatch.ts (#101)

---
 packages/runtime-core/src/apiWatch.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/runtime-core/src/apiWatch.ts b/packages/runtime-core/src/apiWatch.ts
index f5d5e144..139767c6 100644
--- a/packages/runtime-core/src/apiWatch.ts
+++ b/packages/runtime-core/src/apiWatch.ts
@@ -231,12 +231,12 @@ function traverse(value: any, seen: Set<any> = new Set()) {
       traverse(value[i], seen)
     }
   } else if (value instanceof Map) {
-    ;(value as any).forEach((v: any, key: any) => {
+    value.forEach((v, key) => {
       // to register mutation dep for existing keys
       traverse(value.get(key), seen)
     })
   } else if (value instanceof Set) {
-    ;(value as any).forEach((v: any) => {
+    value.forEach(v => {
       traverse(v, seen)
     })
   } else {