From 8149db843684f097c35bbcfe548a6f4fc92c1825 Mon Sep 17 00:00:00 2001
From: Leonard <mail@telelo.de>
Date: Sat, 27 Oct 2018 17:26:52 +0200
Subject: [PATCH] Make it work in Internet Explorer (#434)

+ IE does not support multiple-parameter classList.add() /
  classList.remove(); Replace it with single-parameter calls
  https://caniuse.com/#feat=classlist
+ IE needs polyfills for Array.prototype.find / Array.prototype.includes
---
 src/scripts/components/wrapped-element.js | 12 ++++--------
 src/scripts/lib/polyfills.js              |  2 ++
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/scripts/components/wrapped-element.js b/src/scripts/components/wrapped-element.js
index 1b8d132..67e477b 100644
--- a/src/scripts/components/wrapped-element.js
+++ b/src/scripts/components/wrapped-element.js
@@ -17,10 +17,8 @@ export default class WrappedElement {
 
   conceal() {
     // Hide passed input
-    this.element.classList.add(
-      this.classNames.input,
-      this.classNames.hiddenState,
-    );
+    this.element.classList.add(this.classNames.input);
+    this.element.classList.add(this.classNames.hiddenState);
 
     // Remove element from tab index
     this.element.tabIndex = '-1';
@@ -38,10 +36,8 @@ export default class WrappedElement {
 
   reveal() {
     // Reinstate passed element
-    this.element.classList.remove(
-      this.classNames.input,
-      this.classNames.hiddenState,
-    );
+    this.element.classList.remove(this.classNames.input);
+    this.element.classList.remove(this.classNames.hiddenState);
     this.element.removeAttribute('tabindex');
 
     // Recover original styles if any
diff --git a/src/scripts/lib/polyfills.js b/src/scripts/lib/polyfills.js
index cd0749d..8c01668 100644
--- a/src/scripts/lib/polyfills.js
+++ b/src/scripts/lib/polyfills.js
@@ -1,2 +1,4 @@
+import 'core-js/fn/array/find';
 import 'core-js/fn/array/from';
+import 'core-js/fn/array/includes';
 import 'custom-event-polyfill';