Fix error when decorator is empty

Author: phhien203

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eslint-plugin-ngx-eslint",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Custom ESLint rules for Angular projects",
   "main": "lib/index.js",
   "scripts": {

src/rules/destroy-service-provider.test.ts

@@ -23,6 +23,24 @@ tester.run("destroy-service-provider", rule, {
           ) {}
         }`,
     },
+    {
+      code: `
+        @Component()
+        export class WelcomeComponent implements OnInit {
+          constructor(
+            private destroy$: DestroyService,
+          ) {}
+        }`,
+    },
+    {
+      code: `
+        @Component({})
+        export class WelcomeComponent implements OnInit {
+          constructor(
+            private destroy$: DestroyService,
+          ) {}
+        }`,
+    },
     {
       code: `
         @Directive({
@@ -35,6 +53,24 @@ tester.run("destroy-service-provider", rule, {
           ) {}
         }`,
     },
+    {
+      code: `
+        @Directive()
+        export class MyDirective implements OnInit {
+          constructor(
+            private destroy$: DestroyService,
+          ) {}
+        }`,
+    },
+    {
+      code: `
+        @Directive({})
+        export class MyDirective implements OnInit {
+          constructor(
+            private destroy$: DestroyService,
+          ) {}
+        }`,
+    },
   ],
   invalid: [
     {

src/rules/destroy-service-provider.ts

@@ -5,6 +5,14 @@ const rule: Rule.RuleModule = {
     return {
       "ClassDeclaration > Decorator[expression.callee.name=/^(Component|Directive)$/]":
         (node: any) => {
+          const isDecoratorEmpty =
+            !node.expression.arguments.length ||
+            !node.expression.arguments[0].properties.length;
+
+          if (isDecoratorEmpty) {
+            return;
+          }
+
           // whether component has providers decorator property
           const providersProperty =
             node.expression.arguments[0].properties.find((property: any) => {