From: Evan You <yyx990803@gmail.com>
Date: Tue, 21 Sep 2021 16:25:05 +0000 (-0400)
Subject: fix(compiler-dom): fix transition children check for whitespace nodes
X-Git-Tag: v3.2.13~15
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ed6470c845efa57d902c50a7b97e4a40331e9621;p=thirdparty%2Fvuejs%2Fcore.git

fix(compiler-dom): fix transition children check for whitespace nodes

fix #4637
---

diff --git a/packages/compiler-dom/src/transforms/warnTransitionChildren.ts b/packages/compiler-dom/src/transforms/warnTransitionChildren.ts
index c4347879fa..4e9bdba20b 100644
--- a/packages/compiler-dom/src/transforms/warnTransitionChildren.ts
+++ b/packages/compiler-dom/src/transforms/warnTransitionChildren.ts
@@ -36,7 +36,9 @@ export const warnTransitionChildren: NodeTransform = (node, context) => {
 function hasMultipleChildren(node: ComponentNode | IfBranchNode): boolean {
   // #1352 filter out potential comment nodes.
   const children = (node.children = node.children.filter(
-    c => c.type !== NodeTypes.COMMENT
+    c =>
+      c.type !== NodeTypes.COMMENT &&
+      !(c.type === NodeTypes.TEXT && !c.content.trim())
   ))
   const child = children[0]
   return (