From: Evan You <yyx990803@gmail.com>
Date: Wed, 16 Sep 2020 17:01:53 +0000 (-0400)
Subject: fix(runtime-core): should still do full traverse of stable fragment children in dev... 
X-Git-Tag: v3.0.0-rc.12~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd40ad8fca47af0e1f0a963be2f48c23f7457952;p=thirdparty%2Fvuejs%2Fcore.git

fix(runtime-core): should still do full traverse of stable fragment children in dev + hmr
---

diff --git a/packages/runtime-core/src/renderer.ts b/packages/runtime-core/src/renderer.ts
index 6d01e3e514..64d2d3c379 100644
--- a/packages/runtime-core/src/renderer.ts
+++ b/packages/runtime-core/src/renderer.ts
@@ -1155,11 +1155,13 @@ function baseCreateRenderer(
           parentSuspense,
           isSVG
         )
-        // #2080 if the stable fragment has a key, it's a <template v-for> that may
-        //  get moved around. Make sure all root level vnodes inherit el.
-        // #2134 or if it's a component root, it may also get moved around
-        // as the component is being moved.
-        if (
+        if (__DEV__ && parentComponent && parentComponent.type.__hmrId) {
+          traverseStaticChildren(n1, n2)
+        } else if (
+          // #2080 if the stable fragment has a key, it's a <template v-for> that may
+          //  get moved around. Make sure all root level vnodes inherit el.
+          // #2134 or if it's a component root, it may also get moved around
+          // as the component is being moved.
           n2.key != null ||
           (parentComponent && n2 === parentComponent.subTree)
         ) {