fix(runtime-core): non-stable Fragment should always unmount its children (#2445)

fix #2444
2020-10-21 02:59:55 +08:00
parent 0227b4a697
commit fff62e2ee8
2 changed files with 48 additions and 1 deletions
--- a/packages/runtime-core/src/renderer.ts
+++ b/packages/runtime-core/src/renderer.ts
@@ -2038,7 +2038,12 @@ function baseCreateRenderer(
          false,
          true
        )
-      } else if (!optimized && shapeFlag & ShapeFlags.ARRAY_CHILDREN) {
+      } else if (
+        (type === Fragment &&
+          (patchFlag & PatchFlags.KEYED_FRAGMENT ||
+            patchFlag & PatchFlags.UNKEYED_FRAGMENT)) ||
+        (!optimized && shapeFlag & ShapeFlags.ARRAY_CHILDREN)
+      ) {
        unmountChildren(children as VNode[], parentComponent, parentSuspense)
      }