From 6ef9e2b84dc414a8ed6d733a7b944ebd12742cc0 Mon Sep 17 00:00:00 2001
From: Patrick Wolfert <patrickrwolfert@gmail.com>
Date: Fri, 26 Oct 2018 15:33:17 -0700
Subject: [PATCH] We started using Array.prototype.includes in this module
 without a polyfill for IE11. Sawyer pointed this out in issue #285. This
 fixes that. (#289)

---
 packages/core/src/components/TextField/Mask.jsx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/core/src/components/TextField/Mask.jsx b/packages/core/src/components/TextField/Mask.jsx
index c668857626..5fa86529c9 100644
--- a/packages/core/src/components/TextField/Mask.jsx
+++ b/packages/core/src/components/TextField/Mask.jsx
@@ -6,6 +6,7 @@ cues to a user about the expected value.
 
 Style guide: components.masked-field
 */
+import 'core-js/fn/array/includes';
 import PropTypes from 'prop-types';
 import React from 'react';
 import { polyfill } from 'react-lifecycles-compat';