feat(no-node-access): report childElementCount prop (#650)

feat: add childElementCount prop

Co-authored-by: Breno Cota <[email protected]>

Author: brenocota-hotmart

lib/utils/index.ts

@@ -83,6 +83,7 @@ const TESTING_FRAMEWORK_SETUP_HOOKS = ['beforeEach', 'beforeAll'];
 const PROPERTIES_RETURNING_NODES = [
 	'activeElement',
 	'children',
+	'childElementCount',
 	'firstChild',
 	'firstElementChild',
 	'fullscreenElement',

tests/lib/rules/no-node-access.test.ts

@@ -324,5 +324,22 @@ ruleTester.run(RULE_NAME, rule, {
 				},
 			],
 		},
+		{
+			code: `
+        import { render } from '${testingFramework}';
+
+        const { container } = render(<ul><li>item</li><li>item</li></ul>)
+
+        expect(container.childElementCount).toBe(2)
+      `,
+			errors: [
+				{
+					// error points to `childElementCount`
+					line: 6,
+					column: 26,
+					messageId: 'noNodeAccess',
+				},
+			],
+		},
 	]),
 });