[fix] Property Descriptor bug of watch decorator

Author: TechQuery

MobX/package.json

@@ -1,6 +1,6 @@
 {
     "name": "mobx-web-cell",
-    "version": "0.4.0-rc.2",
+    "version": "0.4.0-rc.3",
     "license": "LGPL-3.0",
     "author": "shiy2008@gmail.com",
     "description": "MobX adaptor for WebCell v2",
@@ -24,7 +24,7 @@
     },
     "dependencies": {
         "mobx": ">4.0.0 <6.0.0",
-        "web-cell": "^2.4.0-rc.3"
+        "web-cell": "^2.4.0-rc.4"
     },
     "devDependencies": {
         "@parcel/packager-ts": "^2.2.1",

package.json

@@ -1,6 +1,6 @@
 {
     "name": "web-cell",
-    "version": "2.4.0-rc.3",
+    "version": "2.4.0-rc.4",
     "description": "Web Components engine based on JSX & TypeScript",
     "keywords": [
         "web",

source/decorator.ts

@@ -33,7 +33,7 @@ export function watch(
     key: string,
     meta?: PropertyDescriptor
 ) {
-    const accessor = !!meta;
+    const accessor = !!(meta?.get || meta?.set);
     meta = meta || Object.getOwnPropertyDescriptor(prototype, key) || {};
 
     meta.set =