Added String.RemoveAt

Author: photonstorm

src/utils/string/RemoveAt.js

@@ -0,0 +1,30 @@
+/**
+ * @author       Richard Davey <rich@photonstorm.com>
+ * @copyright    2020 Photon Storm Ltd.
+ * @license      {@link https://opensource.org/licenses/MIT|MIT License}
+ */
+
+/**
+ * Takes a string and removes the character at the given index.
+ *
+ * @function Phaser.Utils.String.RemoveAt
+ * @since 3.50.0
+ *
+ * @param {string} string - The string to be worked on.
+ * @param {number} index - The index of the character to be removed.
+ *
+ * @return {string} The modified string.
+ */
+var RemoveAt = function (string, index)
+{
+    if (index === 0)
+    {
+        return string.slice(1);
+    }
+    else
+    {
+        return string.slice(0, index - 1) + string.slice(index);
+    }
+};
+
+module.exports = RemoveAt;

src/utils/string/index.js

@@ -12,6 +12,7 @@ module.exports = {
 
     Format: require('./Format'),
     Pad: require('./Pad'),
+    RemoveAt: require('./RemoveAt'),
     Reverse: require('./Reverse'),
     UppercaseFirst: require('./UppercaseFirst'),
     UUID: require('./UUID')