From: Pick <picknight@foxmail.com>
Date: Tue, 13 Oct 2020 20:06:36 +0000 (+0800)
Subject: refactor(runtime-core): simplify deep watch traverse (#2212)
X-Git-Tag: v3.0.1~18
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b34f915ab3211b099f71472e450a39b0d149b57;p=thirdparty%2Fvuejs%2Fcore.git

refactor(runtime-core): simplify deep watch traverse (#2212)
---

diff --git a/packages/runtime-core/src/apiWatch.ts b/packages/runtime-core/src/apiWatch.ts
index 30a76b0f1a..62592d3938 100644
--- a/packages/runtime-core/src/apiWatch.ts
+++ b/packages/runtime-core/src/apiWatch.ts
@@ -333,13 +333,8 @@ function traverse(value: unknown, seen: Set<unknown> = new Set()) {
     for (let i = 0; i < value.length; i++) {
       traverse(value[i], seen)
     }
-  } else if (isMap(value)) {
-    value.forEach((_, key) => {
-      // to register mutation dep for existing keys
-      traverse(value.get(key), seen)
-    })
-  } else if (isSet(value)) {
-    value.forEach(v => {
+  } else if (isSet(value) || isMap(value)) {
+    value.forEach((v: any) => {
       traverse(v, seen)
     })
   } else {