Build update

babel.config.js

@@ -1,22 +1,25 @@
 module.exports = {
   presets: [
-    ["@babel/env", {
+    [
-      corejs:"3",
+      "@babel/env",
-      useBuiltIns: 'usage',
+      {
-      "targets": {
+        corejs: "3",
-        "browsers": [
+        useBuiltIns: "usage",
-          "edge >= 16",
+        targets: {
-          "safari >= 9",
+          browsers: [
-          "firefox >= 57",
+            "edge >= 16",
-          "ie >= 11",
+            "safari >= 9",
-          "ios >= 9",
+            "firefox >= 57",
-          "chrome >= 49"
+            "ie >= 11",
-        ]
+            "ios >= 9",
+            "chrome >= 49",
+          ],
+        },
       },
-    }]
+    ],
   ],
   plugins: [
     ["@babel/plugin-proposal-class-properties"],
-    ["@babel/plugin-transform-typescript"]
+    ["@babel/plugin-transform-typescript"],
-  ]
+  ],
-};
+};

build/css/index.css

@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.3.6
+ *   simple-keyboard v3.3.7
  *   https://github.com/hodgef/simple-keyboard
  *
  *   Copyright (c) Francisco Hodge (https://github.com/hodgef) and project contributors.

build/index.js

@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.3.6
+ *   simple-keyboard v3.3.7
  *   https://github.com/hodgef/simple-keyboard
  *
  *   Copyright (c) Francisco Hodge (https://github.com/hodgef) and project contributors.

build/index.modern.js

@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.3.6 (index.modern.js - Modern Browsers bundle)
+ *   simple-keyboard v3.3.7 (index.modern.js - Modern Browsers bundle)
  *   https://github.com/hodgef/simple-keyboard
  *
  *   NOTE: This modern browsers bundle (index.modern.js) removes all polyfills