fix(compat): avoid accidentally delete the modelValue prop (#3772)

2021-05-18 02:07:53 +08:00
parent 92e7330385
commit 4f17be7b1c
1 changed files with 4 additions and 2 deletions
--- a/packages/runtime-core/src/compat/componentVModel.ts
+++ b/packages/runtime-core/src/compat/componentVModel.ts
@@ -39,8 +39,10 @@ export function convertLegacyVModelProps(vnode: VNode) {
    // modelValue -> value
    // onUpdate:modelValue -> onModelCompat:input
    const { prop = 'value', event = 'input' } = (type as any).model || {}
-    props[prop] = props.modelValue
-    delete props.modelValue
+    if (prop !== 'modelValue') {
+      props[prop] = props.modelValue
+      delete props.modelValue
+    }
    // important: update dynamic props
    if (dynamicProps) {
      dynamicProps[dynamicProps.indexOf('modelValue')] = prop