fix(compiler-sfc): defineProps return binding or rest binding should be considered reactive

packages/compiler-core/src/options.ts

@@ -97,6 +97,10 @@ export const enum BindingTypes {
    * template expressions.
    */
   SETUP_CONST = 'setup-const',
+  /**
+   * a const binding that does not need `unref()`, but may be mutated.
+   */
+  SETUP_REACTIVE_CONST = 'setup-reactive-const',
   /**
    * a const binding that may be a ref.
    */

packages/compiler-core/src/transforms/transformElement.ts

@@ -352,7 +352,9 @@ function resolveSetupReference(name: string, context: TransformContext) {
     }
   }
 
-  const fromConst = checkType(BindingTypes.SETUP_CONST)
+  const fromConst =
+    checkType(BindingTypes.SETUP_CONST) ||
+    checkType(BindingTypes.SETUP_REACTIVE_CONST)
   if (fromConst) {
     return context.inline
       ? // in inline mode, const setup bindings (e.g. imports) can be used as-is

packages/compiler-core/src/transforms/transformExpression.ts

@@ -122,7 +122,11 @@ export function processExpression(
       const isDestructureAssignment =
         parent && isInDestructureAssignment(parent, parentStack)
 
-      if (type === BindingTypes.SETUP_CONST || localVars[raw]) {
+      if (
+        type === BindingTypes.SETUP_CONST ||
+        type === BindingTypes.SETUP_REACTIVE_CONST ||
+        localVars[raw]
+      ) {
         return raw
       } else if (type === BindingTypes.SETUP_REF) {
         return `${raw}.value`