fix(runtime-core): pass prev value to hostPatchProp (#809)

fix #808

diff --git a/packages/runtime-core/src/renderer.ts b/packages/runtime-core/src/renderer.ts
index 3e0cef8c1ca06fbeab305ddc1382e5cff083622c..85efd7d32a236d01c39be5edea7f8b0cc63faa24 100644 (file)
--- a/packages/runtime-core/src/renderer.ts
+++ b/packages/runtime-core/src/renderer.ts
@@ -831,7 +831,7 @@ function baseCreateRenderer<
               el,
               key,
               null,
-              null,
+              oldProps[key],
               isSVG,
               vnode.children as HostVNode[],
               parentComponent,