fix(transformElement): sub-component‘s direct child should openBlock (f…

…ix vuejs#766)
ysj16 · Feb 25, 2020 · 10456fa · 10456fa
1 parent e52a917
commit 10456fa
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/packages/compiler-core/src/transforms/transformElement.ts b/packages/compiler-core/src/transforms/transformElement.ts
@@ -134,6 +134,11 @@ export const transformElement: NodeTransform = (node, context) => {
         if (hasDynamicSlots) {
           patchFlag |= PatchFlags.DYNAMIC_SLOTS
         }
+
+        // sub-component‘s direct child should openBlock
+        for (let i = 0; i < node.children.length; i++) {
+          node.children[i].codegenNode!.isBlock = true
+        }
       } else if (node.children.length === 1) {
         const child = node.children[0]
         const type = child.type

diff --git a/packages/runtime-core/src/helpers/renderSlot.ts b/packages/runtime-core/src/helpers/renderSlot.ts
@@ -35,7 +35,7 @@ export function renderSlot(
       Fragment,
       { key: props.key },
       slot ? slot(props) : fallback || [],
-      slots._ ? PatchFlags.STABLE_FRAGMENT : PatchFlags.BAIL
+      slots._ ? 0 : PatchFlags.BAIL
     )
   )
 }