support command def on top class

package-lock.json

@@ -15,7 +15,7 @@
         "reflect-metadata": "^0.1.13",
         "schemastery": "^2.1.2",
         "schemastery-gen": "^2.3.1",
-        "typed-reflector": "^1.0.8"
+        "typed-reflector": "^1.0.9"
       },
       "devDependencies": {
         "@koishijs/plugin-adapter-onebot": "^4.0.0-rc.0",
@@ -6441,9 +6441,9 @@
       }
     },
     "node_modules/typed-reflector": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/typed-reflector/-/typed-reflector-1.0.8.tgz",
-      "integrity": "sha512-Gc2y1jdXpBrRDhTth80ABcmZjL/4Jmx+GrBf7uvn4BXW4J+kj5V3IjA+GQl/n+3ye7SgoEO6HOiDhac1H+mKgw==",
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/typed-reflector/-/typed-reflector-1.0.9.tgz",
+      "integrity": "sha512-Df9KpLcXsSM4/q+iFT/WKU8RxmwUC8POY/7VFL9xgvqh2aaY7o+43n7pUTUVKtimJTkQokKoOVe/B8ouW8tBhA==",
       "dependencies": {
         "reflect-metadata": "^0.1.13"
       }
@@ -11654,9 +11654,9 @@
       }
     },
     "typed-reflector": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/typed-reflector/-/typed-reflector-1.0.8.tgz",
-      "integrity": "sha512-Gc2y1jdXpBrRDhTth80ABcmZjL/4Jmx+GrBf7uvn4BXW4J+kj5V3IjA+GQl/n+3ye7SgoEO6HOiDhac1H+mKgw==",
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/typed-reflector/-/typed-reflector-1.0.9.tgz",
+      "integrity": "sha512-Df9KpLcXsSM4/q+iFT/WKU8RxmwUC8POY/7VFL9xgvqh2aaY7o+43n7pUTUVKtimJTkQokKoOVe/B8ouW8tBhA==",
       "requires": {
         "reflect-metadata": "^0.1.13"
       }

package.json

@@ -57,7 +57,7 @@
     "reflect-metadata": "^0.1.13",
     "schemastery": "^2.1.2",
     "schemastery-gen": "^2.3.1",
-    "typed-reflector": "^1.0.8"
+    "typed-reflector": "^1.0.9"
   },
   "jest": {
     "moduleFileExtensions": [

src/decorators.ts

@@ -134,7 +134,9 @@ export const OnSelection = (selection: Selection) =>
 
 // Command definition
 
-export const CommandDef = (def: CommandDefinitionFun): MethodDecorator =>
+export const CommandDef = (
+  def: CommandDefinitionFun,
+): MethodDecorator & ClassDecorator =>
   Metadata.append(KoishiCommandDefinition, def);
 
 export const CommandDescription = (desc: string) =>

src/register.ts

@@ -269,10 +269,11 @@ export function DefinePlugin<T = any>(
               commandData.desc,
               commandData.config,
             );
-            const commandDefs = reflector.getArray(
+            const commandDefs = reflector.getProperty(
               KoishiCommandDefinition,
               this,
               methodKey,
+              originalClass,
             );
             for (const commandDef of commandDefs) {
               command = commandDef(command) || command;