From f77b53e3a991b66df8387386e57b3edafbe154ee Mon Sep 17 00:00:00 2001
From: Bruno Dias <dias.h.bruno@gmail.com>
Date: Thu, 5 Oct 2017 19:53:10 -0300
Subject: [PATCH] [chore] use canUseDOM from exenv.

it's already implemented in this package.
---
 src/components/Modal.js        | 8 +++-----
 src/helpers/safeHTMLElement.js | 2 ++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/components/Modal.js b/src/components/Modal.js
index 5a914e4b..bf26683b 100644
--- a/src/components/Modal.js
+++ b/src/components/Modal.js
@@ -3,15 +3,13 @@ import ReactDOM from 'react-dom';
 import PropTypes from 'prop-types';
 import ModalPortal from './ModalPortal';
 import * as ariaAppHider from '../helpers/ariaAppHider';
-import SafeHTMLElement from '../helpers/safeHTMLElement';
+import SafeHTMLElement, {
+  canUseDOM
+} from '../helpers/safeHTMLElement';
 
 export const portalClassName = 'ReactModalPortal';
 export const bodyOpenClassName = 'ReactModal__Body--open';
 
-const canUseDOM = typeof window !== 'undefined' &&
-  typeof document !== 'undefined' &&
-  typeof document.createElement === 'function';
-
 const isReact16 = ReactDOM.createPortal !== undefined;
 const createPortal = isReact16 ?
   ReactDOM.createPortal :
diff --git a/src/helpers/safeHTMLElement.js b/src/helpers/safeHTMLElement.js
index 7a8752b0..3798072d 100644
--- a/src/helpers/safeHTMLElement.js
+++ b/src/helpers/safeHTMLElement.js
@@ -4,4 +4,6 @@ const EE = ExecutionEnvironment;
 
 const SafeHTMLElement = EE.canUseDOM ? window.HTMLElement : {};
 
+export const canUseDOM = EE.canUseDOM;
+
 export default SafeHTMLElement;