[Fix] dom.keys is an iterator, not a map.

Author: ljharb

__tests__/src/util/isInteractiveElement-test.js

@@ -2,6 +2,7 @@
 import expect from 'expect';
 import { elementType } from 'jsx-ast-utils';
 import isInteractiveElement from '../../../src/util/isInteractiveElement';
+import JSXElementMock from '../../../__mocks__/JSXElementMock';
 import {
   genElementSymbol,
   genIndeterminantInteractiveElements,
@@ -78,4 +79,9 @@ describe('isInteractiveElement', () => {
       },
     );
   });
+  describe('JSX elements', () => {
+    it('is not interactive', () => {
+      expect(isInteractiveElement('CustomComponent', JSXElementMock())).toBe(false);
+    });
+  });
 });

src/util/isInteractiveElement.js

@@ -14,6 +14,7 @@ import {
 import includes from 'array-includes';
 import attributesComparator from './attributesComparator';
 
+const domKeys = [...dom.keys()];
 const roleKeys = [...roles.keys()];
 const elementRoleEntries = [...elementRoles];
 
@@ -145,7 +146,7 @@ const isInteractiveElement = (
 ): boolean => {
   // Do not test higher level JSX components, as we do not know what
   // low-level DOM element this maps to.
-  if (!dom.keys(tagName)) {
+  if (!includes(domKeys, tagName)) {
     return false;
   }