Build update

Bumps [terser-webpack-plugin](https://github.com/webpack-contrib/terser-webpack-plugin) from 5.1.3 to 5.1.4.
- [Release notes](https://github.com/webpack-contrib/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/terser-webpack-plugin/compare/v5.1.3...v5.1.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

.github/workflows/pull_request.yml

@@ -17,8 +17,6 @@ jobs:
     - name: npm install, build, and test
       run: |
         npm install
-        npm run start -- --testMode
-        npm run demo
         npm run coverage
       env:
         CI: true

README.md

@@ -1,6 +1,6 @@
 <p>
   <a href="https://simple-keyboard.com/demo">
-	<img alt="simple-keyboard: Javascript Virtual Keyboard" src="https://i.imgur.com/Po6659n.gif">
+	<img alt="simple-keyboard: Javascript Virtual Keyboard" src="https://i.imgur.com/PrpbdIu.png">
   </a>
 	
   <a href="https://www.npmjs.com/package/simple-keyboard">
@@ -14,10 +14,6 @@
   <a href="https://github.com/hodgef/simple-keyboard/actions">
      <img alt="Publish Status" src="https://github.com/hodgef/simple-keyboard/workflows/Publish/badge.svg?color=green" />
   </a>
-
-  <a href="https://bundlephobia.com/result?p=simple-keyboard">
-    <img src="https://badgen.net/bundlephobia/minzip/simple-keyboard/?color=green" alt="install size">
-  </a>
   
   <a href="https://david-dm.org/hodgef/simple-keyboard">
     <img src="https://badgen.net/david/dep/hodgef/simple-keyboard" alt="coverage">
@@ -30,17 +26,17 @@
 
 <blockquote>Virtual Keyboard for Javascript. Compatible with your JS, React, Angular or Vue projects.</blockquote>
 
-## Demo 🚀
+## 🚀 Demo
 
 [Demo Showcase (Vanilla, Angular, React, Vue)](https://simple-keyboard.com/demo)
 
-## Installation & Usage 📦
+## 📦 Installation & Usage
 
 You can use simple-keyboard as a `<script>` tag from a CDN, or install it from npm.
 
 Check out the [Getting Started](https://simple-keyboard.com/getting-started) docs to begin.
 
-## Documentation 📖
+## 📖 Documentation
 
 Check out the [simple-keyboard documentation](https://simple-keyboard.com/documentation) site.
 
@@ -63,7 +59,7 @@ Feel free to browse the [Questions & Answers (FAQ)](https://simple-keyboard.com/
 
 <a href="https://discordapp.com/invite/SJexsCG" title="Join our Discord chat" target="_blank"><img src="https://discordapp.com/api/guilds/498978399801573396/widget.png?style=banner2" align="center"></a>
 
-## Modules ✳️
+## ✳️ Modules
 
 You can extend simple-keyboard's functionality with [modules](https://hodgef.com/simple-keyboard/modules/). Such as:
 
@@ -74,7 +70,7 @@ You can extend simple-keyboard's functionality with [modules](https://hodgef.com
 
 Want to create your own module? Check out the [Modules page](https://hodgef.com/simple-keyboard/modules/) for instructions.
 
-## Compatibility 🎯
+## 🎯 Compatibility
 
 - Internet Explorer 11
 - Edge (Spartan) 16+
@@ -84,7 +80,7 @@ Want to create your own module? Check out the [Modules page](https://hodgef.com/
 - Firefox 57+
 - iOS 9+
 
-## Contributing ✅
+## ✅ Contributing
 
 PRs and issues are always welcome. Feel free to submit any issues you have at:
 [https://github.com/hodgef/simple-keyboard/issues](https://github.com/hodgef/simple-keyboard/issues)

build/css/index.css

@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.0.0
+ *   simple-keyboard v3.2.1
  *   https://github.com/hodgef/simple-keyboard
  *
  *   Copyright (c) Francisco Hodge (https://github.com/hodgef) and project contributors.
@@ -8,4 +8,4 @@
  *   This source code is licensed under the MIT license found in the
  *   LICENSE file in the root directory of this source tree.
  *
- */.hg-theme-default{width:100%;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;box-sizing:border-box;overflow:hidden;touch-action:manipulation;font-family:HelveticaNeue-Light,Helvetica Neue Light,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;background-color:#ececec;padding:5px;border-radius:5px}.hg-theme-default .hg-button span{pointer-events:none}.hg-theme-default button.hg-button{border-width:0;outline:0;font-size:inherit}.hg-theme-default .hg-button{display:inline-block;flex-grow:1}.hg-theme-default .hg-row{display:flex}.hg-theme-default .hg-row:not(:last-child){margin-bottom:5px}.hg-theme-default .hg-row .hg-button-container,.hg-theme-default .hg-row .hg-button:not(:last-child){margin-right:5px}.hg-theme-default .hg-row>div:last-child{margin-right:0}.hg-theme-default .hg-row .hg-button-container{display:flex}.hg-theme-default .hg-button{box-shadow:0 0 3px -1px rgba(0,0,0,.3);height:40px;border-radius:5px;box-sizing:border-box;padding:5px;background:#fff;border-bottom:1px solid #b5b5b5;cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:rgba(0,0,0,0)}.hg-theme-default .hg-button.hg-standardBtn{width:20px}.hg-theme-default .hg-button.hg-activeButton{background:#efefef}.hg-theme-default.hg-layout-numeric .hg-button{width:33.3%;height:60px;align-items:center;display:flex;justify-content:center}.hg-theme-default .hg-button.hg-button-numpadadd,.hg-theme-default .hg-button.hg-button-numpadenter{height:85px}.hg-theme-default .hg-button.hg-button-numpad0{width:105px}.hg-theme-default .hg-button.hg-button-com{max-width:85px}.hg-theme-default .hg-button.hg-standardBtn.hg-button-at{max-width:45px}.hg-theme-default .hg-button.hg-selectedButton{background:rgba(5,25,70,.53);color:#fff}.hg-theme-default .hg-button.hg-standardBtn[data-skbtn=".com"]{max-width:82px}.hg-theme-default .hg-button.hg-standardBtn[data-skbtn="@"]{max-width:60px}.hg-candidate-box{display:inline-flex;border-radius:5px;position:absolute;background:#ececec;border-bottom:2px solid #b5b5b5;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;max-width:272px;transform:translateY(-100%);margin-top:-10px}ul.hg-candidate-box-list{display:flex;list-style:none;padding:0;margin:0;flex:1}li.hg-candidate-box-list-item{height:40px;width:40px;display:flex;align-items:center;justify-content:center}li.hg-candidate-box-list-item:hover{background:rgba(0,0,0,.03);cursor:pointer}li.hg-candidate-box-list-item:active{background:rgba(0,0,0,.1)}.hg-candidate-box-prev:before{content:"◄"}.hg-candidate-box-next:before{content:"►"}.hg-candidate-box-next,.hg-candidate-box-prev{display:flex;align-items:center;padding:0 10px;background:#d0d0d0;color:#969696;cursor:pointer}.hg-candidate-box-next{border-top-right-radius:5px;border-bottom-right-radius:5px}.hg-candidate-box-prev{border-top-left-radius:5px;border-bottom-left-radius:5px}.hg-candidate-box-btn-active{color:#444}
+ */.hg-theme-default{background-color:#ececec;border-radius:5px;box-sizing:border-box;font-family:HelveticaNeue-Light,Helvetica Neue Light,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;overflow:hidden;padding:5px;touch-action:manipulation;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;width:100%}.hg-theme-default .hg-button span{pointer-events:none}.hg-theme-default button.hg-button{border-width:0;font-size:inherit;outline:0}.hg-theme-default .hg-button{display:inline-block;flex-grow:1}.hg-theme-default .hg-row{display:flex}.hg-theme-default .hg-row:not(:last-child){margin-bottom:5px}.hg-theme-default .hg-row .hg-button:not(:last-child){margin-right:5px}.hg-theme-default .hg-row .hg-button-container{margin-right:5px}.hg-theme-default .hg-row>div:last-child{margin-right:0}.hg-theme-default .hg-row .hg-button-container{display:flex}.hg-theme-default .hg-button{-webkit-tap-highlight-color:rgba(0,0,0,0);align-items:center;background:#fff;border-bottom:1px solid #b5b5b5;border-radius:5px;box-shadow:0 0 3px -1px rgba(0,0,0,.3);box-sizing:border-box;cursor:pointer;display:flex;height:40px;justify-content:center;padding:5px}.hg-theme-default .hg-button.hg-standardBtn{width:20px}.hg-theme-default .hg-button.hg-activeButton{background:#efefef}.hg-theme-default.hg-layout-numeric .hg-button{align-items:center;display:flex;height:60px;justify-content:center;width:33.3%}.hg-theme-default .hg-button.hg-button-numpadadd,.hg-theme-default .hg-button.hg-button-numpadenter{height:85px}.hg-theme-default .hg-button.hg-button-numpad0{width:105px}.hg-theme-default .hg-button.hg-button-com{max-width:85px}.hg-theme-default .hg-button.hg-standardBtn.hg-button-at{max-width:45px}.hg-theme-default .hg-button.hg-selectedButton{background:rgba(5,25,70,.53);color:#fff}.hg-theme-default .hg-button.hg-standardBtn[data-skbtn=".com"]{max-width:82px}.hg-theme-default .hg-button.hg-standardBtn[data-skbtn="@"]{max-width:60px}.hg-candidate-box{background:#ececec;border-bottom:2px solid #b5b5b5;border-radius:5px;display:inline-flex;margin-top:-10px;max-width:272px;position:absolute;transform:translateY(-100%);-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}ul.hg-candidate-box-list{display:flex;flex:1;list-style:none;margin:0;padding:0}li.hg-candidate-box-list-item{align-items:center;display:flex;height:40px;justify-content:center;width:40px}li.hg-candidate-box-list-item:hover{background:rgba(0,0,0,.03);cursor:pointer}li.hg-candidate-box-list-item:active{background:rgba(0,0,0,.1)}.hg-candidate-box-prev:before{content:"◄"}.hg-candidate-box-next:before{content:"►"}.hg-candidate-box-next,.hg-candidate-box-prev{align-items:center;background:#d0d0d0;color:#969696;cursor:pointer;display:flex;padding:0 10px}.hg-candidate-box-next{border-bottom-right-radius:5px;border-top-right-radius:5px}.hg-candidate-box-prev{border-bottom-left-radius:5px;border-top-left-radius:5px}.hg-candidate-box-btn-active{color:#444}

build/types/components/Keyboard.d.ts

@@ -13,8 +13,8 @@ declare class SimpleKeyboard {
     input: KeyboardInput;
     options: KeyboardOptions;
     utilities: any;
-    caretPosition: number;
-    caretPositionEnd: number;
+    caretPosition: number | null;
+    caretPositionEnd: number | null;
     keyboardDOM: KeyboardElement;
     keyboardPluginClasses: string;
     keyboardDOMClass: string;
@@ -34,8 +34,10 @@ declare class SimpleKeyboard {
     holdTimeout: number;
     isMouseHold: boolean;
     initialized: boolean;
-    candidateBox: CandidateBox;
+    candidateBox: CandidateBox | null;
     keyboardRowsDOM: KeyboardElement;
+    defaultName: string;
+    activeInputElement: HTMLInputElement | HTMLTextAreaElement | null;
     /**
      * Creates an instance of SimpleKeyboard
      * @param {Array} params If first parameter is a string, it is considered the container class. The second parameter is then considered the options object. If first parameter is an object, it is considered the options object.
@@ -47,20 +49,20 @@ declare class SimpleKeyboard {
     handleParams: (params: KeyboardParams) => {
         keyboardDOMClass: string;
         keyboardDOM: KeyboardElement;
-        options: Partial<KeyboardOptions>;
+        options: Partial<KeyboardOptions | undefined>;
     };
     /**
      * Getters
      */
     getOptions: () => KeyboardOptions;
-    getCaretPosition: () => number;
-    getCaretPositionEnd: () => number;
+    getCaretPosition: () => number | null;
+    getCaretPositionEnd: () => number | null;
     /**
      * Changes the internal caret position
      * @param {number} position The caret's start position
      * @param {number} positionEnd The caret's end position
      */
-    setCaretPosition(position: number, endPosition?: number): void;
+    setCaretPosition(position: number | null, endPosition?: number | null): void;
     /**
      * Retrieve the candidates for a given input
      * @param input The input string to check
@@ -104,7 +106,7 @@ declare class SimpleKeyboard {
      * Clear the keyboard’s input.
      * @param {string} [inputName] optional - the internal input to select
      */
-    clearInput(inputName: string): void;
+    clearInput(inputName?: string): void;
     /**
      * Get the keyboard’s input (You can also get it from the onChange prop).
      * @param  {string} [inputName] optional - the internal input to select
@@ -166,7 +168,7 @@ declare class SimpleKeyboard {
      * Get the DOM Element of a button. If there are several buttons with the same name, an array of the DOM Elements is returned.
      * @param  {string} button The button layout name to select
      */
-    getButtonElement(button: string): KeyboardElement | KeyboardElement[];
+    getButtonElement(button: string): KeyboardElement | KeyboardElement[] | undefined;
     /**
      * This handles the "inputPattern" option
      * by checking if the provided inputPattern passes

build/types/interfaces.d.ts

@@ -3,10 +3,10 @@ import Utilities from "./services/Utilities";
 export interface KeyboardLayoutObject {
     [key: string]: string[];
 }
-export interface KeyboardButtonTheme {
+export declare type KeyboardButtonTheme = {
     class: string;
     buttons: string;
-}
+} | null;
 export interface KeyboardButtonAttributes {
     attribute: string;
     value: string;
@@ -22,26 +22,28 @@ export declare type CandidateBoxParams = {
 export declare type CandidateBoxShowParams = {
     candidateValue: string;
     targetElement: KeyboardElement;
-    onSelect: (selectedCandidate: string) => void;
+    onSelect: (selectedCandidate: string, e: MouseEvent) => void;
 };
 export declare type CandidateBoxRenderParams = {
     candidateListPages: string[][];
     targetElement: KeyboardElement;
     pageIndex: number;
     nbPages: number;
-    onItemSelected: (selectedCandidate: string) => void;
+    onItemSelected: (selectedCandidate: string, e: MouseEvent) => void;
 };
 export declare type KeyboardElement = HTMLDivElement | HTMLButtonElement;
-export declare type KeyboardHandlerEvent = PointerEvent & TouchEvent & KeyboardEvent & {
-    target: HTMLDivElement & HTMLInputElement;
-};
+export declare type KeyboardHandlerEvent = any;
 export interface KeyboardButtonElements {
     [key: string]: KeyboardElement[];
 }
 export interface UtilitiesParams {
     getOptions: () => KeyboardOptions;
-    getCaretPosition: () => number;
-    getCaretPositionEnd: () => number;
+    getCaretPosition: () => number | null;
+    getCaretPositionEnd: () => number | null;
+    dispatch: any;
+}
+export interface PhysicalKeyboardParams {
+    getOptions: () => KeyboardOptions;
     dispatch: any;
 }
 export interface KeyboardOptions {
@@ -193,6 +195,14 @@ export interface KeyboardOptions {
      * Executes the callback function once simple-keyboard is rendered for the first time (on initialization).
      */
     onInit?: (instance?: SimpleKeyboard) => void;
+    /**
+     * Retrieves the current input
+     */
+    onChange?: (input: string, e?: MouseEvent) => any;
+    /**
+     * Retrieves all inputs
+     */
+    onChangeAll?: (inputObj: KeyboardInput, e?: MouseEvent) => any;
     /**
      * Module options can have any format
      */

build/types/services/PhysicalKeyboard.d.ts

@@ -1,4 +1,4 @@
-import { KeyboardOptions, UtilitiesParams } from "../interfaces";
+import { KeyboardOptions, PhysicalKeyboardParams } from "../interfaces";
 /**
  * Physical Keyboard Service
  */
@@ -8,7 +8,7 @@ declare class PhysicalKeyboard {
     /**
      * Creates an instance of the PhysicalKeyboard service
      */
-    constructor({ dispatch, getOptions }: Partial<UtilitiesParams>);
+    constructor({ dispatch, getOptions }: PhysicalKeyboardParams);
     handleHighlightKeyDown(event: KeyboardEvent): void;
     handleHighlightKeyUp(event: KeyboardEvent): void;
     /**
@@ -16,5 +16,9 @@ declare class PhysicalKeyboard {
      * @param  {object} event The KeyboardEvent
      */
     getSimpleKeyboardLayoutKey(event: KeyboardEvent): string;
+    /**
+     * Retrieve key from keyCode
+     */
+    keyCodeToKey(keyCode: number): string | undefined;
 }
 export default PhysicalKeyboard;

build/types/services/Utilities.d.ts

@@ -5,8 +5,8 @@ import { KeyboardOptions, UtilitiesParams } from "../interfaces";
  */
 declare class Utilities {
     getOptions: () => KeyboardOptions;
-    getCaretPosition: () => number;
-    getCaretPositionEnd: () => number;
+    getCaretPosition: () => number | null;
+    getCaretPositionEnd: () => number | null;
     dispatch: any;
     maxLengthReached: boolean;
     /**
@@ -72,6 +72,7 @@ declare class Utilities {
         "{home}": string;
         "{pageup}": string;
         "{delete}": string;
+        "{forwarddelete}": string;
         "{end}": string;
         "{pagedown}": string;
         "{numpadmultiply}": string;
@@ -122,7 +123,7 @@ declare class Utilities {
      * @param  {number} length Represents by how many characters the input should be moved
      * @param  {boolean} minus Whether the cursor should be moved to the left or not.
      */
-    updateCaretPosAction(length: number, minus?: boolean): number;
+    updateCaretPosAction(length: number, minus?: boolean): number | null;
     /**
      * Adds a string to the input at a given position
      *
@@ -133,20 +134,31 @@ declare class Utilities {
      */
     addStringAt(source: string, str: string, position?: number, positionEnd?: number, moveCaret?: boolean): string;
     /**
-     * Removes an amount of characters at a given position
+     * Check whether the button is a standard button
+     */
+    isStandardButton: (button: string) => boolean | "";
+    /**
+     * Removes an amount of characters before a given position
      *
      * @param  {string} source The source input
      * @param  {number} position The (cursor) position from where the characters should be removed
      * @param  {boolean} moveCaret Whether to update simple-keyboard's cursor
      */
     removeAt(source: string, position?: number, positionEnd?: number, moveCaret?: boolean): string;
+    /**
+     * Removes an amount of characters after a given position
+     *
+     * @param  {string} source The source input
+     * @param  {number} position The (cursor) position from where the characters should be removed
+     */
+    removeForwardsAt(source: string, position?: number, positionEnd?: number, moveCaret?: boolean): string;
     /**
      * Determines whether the maxLength has been reached. This function is called when the maxLength option it set.
      *
      * @param  {object} inputObj
      * @param  {string} updatedInput
      */
-    handleMaxLength(inputObj: KeyboardInput, updatedInput: string): boolean;
+    handleMaxLength(inputObj: KeyboardInput, updatedInput: string): boolean | undefined;
     /**
      * Gets the current value of maxLengthReached
      */

package.json

@@ -1,6 +1,6 @@
 {
   "name": "simple-keyboard",
-  "version": "3.0.0",
+  "version": "3.2.1",
   "description": "On-screen Javascript Virtual Keyboard",
   "main": "build/index.js",
   "types": "build/types/index.d.ts",
@@ -39,38 +39,38 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@babel/cli": "^7.13.0",
-    "@babel/core": "^7.13.8",
-    "@babel/plugin-proposal-class-properties": "^7.13.0",
-    "@babel/plugin-transform-typescript": "^7.13.0",
+    "@babel/cli": "^7.14.5",
+    "@babel/core": "^7.14.6",
+    "@babel/plugin-proposal-class-properties": "^7.14.5",
+    "@babel/plugin-transform-typescript": "^7.14.6",
     "@babel/polyfill": "^7.12.1",
-    "@babel/preset-env": "^7.13.9",
-    "@types/jest": "^26.0.20",
-    "@typescript-eslint/eslint-plugin": "^4.16.1",
-    "@typescript-eslint/parser": "^4.16.1",
-    "autoprefixer": "^10.2.5",
+    "@babel/preset-env": "^7.14.7",
+    "@types/jest": "^26.0.23",
+    "@typescript-eslint/eslint-plugin": "^4.28.0",
+    "@typescript-eslint/parser": "^4.28.0",
+    "autoprefixer": "^10.2.6",
     "babel-eslint": "^10.1.0",
     "babel-loader": "^8.2.2",
     "babel-preset-minify": "^0.5.0",
-    "core-js": "^3.9.1",
-    "css-loader": "^5.1.1",
-    "eslint": "^7.21.0",
+    "core-js": "^3.15.1",
+    "css-loader": "^5.2.6",
+    "eslint": "^7.29.0",
     "file-loader": "^6.2.0",
-    "html-webpack-plugin": "^5.3.0",
+    "html-webpack-plugin": "^5.3.2",
     "jest": "^26.6.3",
-    "mini-css-extract-plugin": "^1.3.9",
-    "optimize-css-assets-webpack-plugin": "^5.0.4",
-    "postcss": "^8.2.8",
-    "postcss-loader": "^5.2.0",
-    "prettier": "^2.2.1",
+    "mini-css-extract-plugin": "^1.6.1",
+    "optimize-css-assets-webpack-plugin": "^6.0.1",
+    "postcss": "^8.3.5",
+    "postcss-loader": "^6.1.0",
+    "prettier": "^2.3.2",
     "prettier-webpack-plugin": "^1.2.0",
-    "style-loader": "^2.0.0",
-    "terser-webpack-plugin": "^5.1.1",
-    "typescript": "^4.2.3",
+    "style-loader": "^3.0.0",
+    "terser-webpack-plugin": "^5.1.4",
+    "typescript": "^4.3.4",
     "url-loader": "^4.1.1",
-    "webpack": "^5.24.3",
-    "webpack-cli": "^4.5.0",
-    "webpack-dev-server": "4.0.0-beta.0"
+    "webpack": "^5.40.0",
+    "webpack-cli": "^4.7.2",
+    "webpack-dev-server": "4.0.0-beta.3"
   },
   "jest": {
     "roots": [
@@ -81,7 +81,7 @@
       "!src/**/*.d.ts",
       "!src/lib/index.js",
       "!src/lib/polyfills.js",
-      "!src/demo/index.js",
+      "!src/demo/**",
       "!src/utils/**",
       "!src/**/*.d.ts",
       "!**/tests/**"

src/demo/CandidateBoxDemo.js

@@ -0,0 +1,81 @@
+import Keyboard from "../lib";
+import "./css/CandidateBoxDemo.css";
+
+const setDOM = () => {
+  document.querySelector("body").innerHTML = `
+    <input class="input" placeholder="Tap on the virtual keyboard to start" />
+    <div class="simple-keyboard"></div>
+  `;
+};
+
+class Demo {
+  constructor() {
+    setDOM();
+
+    /**
+     * Demo Start
+     */
+    this.keyboard = new Keyboard({
+      onChange: input => this.onChange(input),
+      onKeyPress: button => this.onKeyPress(button),
+      preventMouseDownDefault: true,
+      layoutCandidates: {
+        ni: "你 尼",
+        hao: "好 号"
+      }
+    });
+
+    /**
+     * Update simple-keyboard when input is changed directly
+     */
+    document.querySelector(".input").addEventListener("input", event => {
+      this.keyboard.setInput(event.target.value);
+    });
+  }
+
+  onChange(input) {
+    const inputElement = document.querySelector(".input");
+
+    /**
+     * Updating input's value
+     */
+    inputElement.value = input;
+    console.log("Input changed", input);
+
+    /**
+     * Synchronizing input caret position
+     */
+    const caretPosition = this.keyboard.caretPosition;
+    if (caretPosition !== null)
+      this.setInputCaretPosition(inputElement, caretPosition);
+
+    console.log("caretPosition", caretPosition);
+  }
+
+  setInputCaretPosition(elem, pos) {
+    if (elem.setSelectionRange) {
+      elem.focus();
+      elem.setSelectionRange(pos, pos);
+    }
+  }
+
+  onKeyPress(button) {
+    console.log("Button pressed", button);
+
+    /**
+     * If you want to handle the shift and caps lock buttons
+     */
+    if (button === "{shift}" || button === "{lock}") this.handleShift();
+  }
+
+  handleShift() {
+    const currentLayout = this.keyboard.options.layoutName;
+    const shiftToggle = currentLayout === "default" ? "shift" : "default";
+
+    this.keyboard.setOptions({
+      layoutName: shiftToggle
+    });
+  }
+}
+
+export default Demo;

src/demo/css/CandidateBoxDemo.css

@@ -0,0 +1,12 @@
+input {
+  width: 100%;
+  height: 100px;
+  padding: 20px;
+  font-size: 20px;
+  border: none;
+  box-sizing: border-box;
+}
+
+.simple-keyboard {
+  max-width: 850px;
+}

src/demo/index.js

@@ -9,6 +9,7 @@ import BasicDemo from "./BasicDemo";
 //import DOMElementDemo from "./DOMElementDemo";
 //import FullKeyboardDemo from "./FullKeyboardDemo";
 //import MultipleKeyboardsDemo from "./MultipleKeyboardsDestroyDemo";
+//import CandidateBoxDemo from "./CandidateBoxDemo";
 
 /**
  * Selected demo

src/demo/tests/CandidateBoxDemo.test.js

@@ -0,0 +1,36 @@
+import { setDOM } from '../../utils/TestUtility';
+import CandidateBoxDemo from '../CandidateBoxDemo';
+
+it('Demo will load', () => {
+  setDOM();
+
+  new CandidateBoxDemo();
+});
+
+it('Demo caret positioning will adjust accordingly', () => {
+  setDOM();
+
+  const demo = new CandidateBoxDemo();
+
+  demo.keyboard.setCaretPosition(0);
+
+  demo.keyboard.getButtonElement("n").click();
+  demo.keyboard.getButtonElement("h").click();
+  demo.keyboard.getButtonElement("a").click();
+  demo.keyboard.getButtonElement("o").click();
+  expect(demo.keyboard.getCaretPosition()).toBe(4);
+
+  demo.keyboard.candidateBox.candidateBoxElement.querySelector("li").click();
+
+  expect(demo.keyboard.getCaretPosition()).toBe(2);
+
+  demo.keyboard.setCaretPosition(1);
+  demo.keyboard.getButtonElement("i").click();
+
+  expect(demo.keyboard.getCaretPosition()).toBe(2);
+
+  demo.keyboard.candidateBox.candidateBoxElement.querySelector("li").click();
+
+  expect(demo.keyboard.getCaretPosition()).toBe(1);
+  expect(demo.keyboard.getInput()).toBe("你好");
+});

src/lib/components/CandidateBox.ts

@@ -9,7 +9,7 @@ import {
 
 class CandidateBox {
   utilities: Utilities;
-  candidateBoxElement: HTMLDivElement;
+  candidateBoxElement!: HTMLDivElement;
   pageIndex = 0;
   pageSize;
 
@@ -45,8 +45,8 @@ class CandidateBox {
       targetElement,
       pageIndex: this.pageIndex,
       nbPages: candidateListPages.length,
-      onItemSelected: (selectedCandidate: string) => {
-        onSelect(selectedCandidate);
+      onItemSelected: (selectedCandidate: string, e: MouseEvent) => {
+        onSelect(selectedCandidate, e);
         this.destroy();
       },
     });
@@ -73,9 +73,18 @@ class CandidateBox {
     // Create Candidate box list items
     candidateListPages[pageIndex].forEach((candidateListItem) => {
       const candidateListLIElement = document.createElement("li");
+      const getMouseEvent = () => {
+        const mouseEvent = new MouseEvent("click");
+        Object.defineProperty(mouseEvent, "target", {
+          value: candidateListLIElement,
+        });
+        return mouseEvent;
+      };
+
       candidateListLIElement.className = "hg-candidate-box-list-item";
       candidateListLIElement.textContent = candidateListItem;
-      candidateListLIElement.onclick = () => onItemSelected(candidateListItem);
+      candidateListLIElement.onclick = (e = getMouseEvent()) =>
+        onItemSelected(candidateListItem, e);
 
       // Append list item to ul
       candidateListULElement.appendChild(candidateListLIElement);

src/lib/components/Keyboard.ts

@@ -22,28 +22,30 @@ import CandidateBox from "./CandidateBox";
  * - Handles button functionality
  */
 class SimpleKeyboard {
-  input: KeyboardInput;
-  options: KeyboardOptions;
+  input!: KeyboardInput;
+  options!: KeyboardOptions;
   utilities: any;
-  caretPosition: number;
-  caretPositionEnd: number;
-  keyboardDOM: KeyboardElement;
-  keyboardPluginClasses: string;
-  keyboardDOMClass: string;
-  buttonElements: KeyboardButtonElements;
-  currentInstanceName: string;
-  allKeyboardInstances: { [key: string]: SimpleKeyboard };
-  keyboardInstanceNames: string[];
-  isFirstKeyboardInstance: boolean;
-  physicalKeyboard: PhysicalKeyboard;
-  modules: { [key: string]: any };
-  activeButtonClass: string;
-  holdInteractionTimeout: number;
-  holdTimeout: number;
-  isMouseHold: boolean;
-  initialized: boolean;
-  candidateBox: CandidateBox;
-  keyboardRowsDOM: KeyboardElement;
+  caretPosition!: number | null;
+  caretPositionEnd!: number | null;
+  keyboardDOM!: KeyboardElement;
+  keyboardPluginClasses!: string;
+  keyboardDOMClass!: string;
+  buttonElements!: KeyboardButtonElements;
+  currentInstanceName!: string;
+  allKeyboardInstances!: { [key: string]: SimpleKeyboard };
+  keyboardInstanceNames!: string[];
+  isFirstKeyboardInstance!: boolean;
+  physicalKeyboard!: PhysicalKeyboard;
+  modules!: { [key: string]: any };
+  activeButtonClass!: string;
+  holdInteractionTimeout!: number;
+  holdTimeout!: number;
+  isMouseHold!: boolean;
+  initialized!: boolean;
+  candidateBox!: CandidateBox | null;
+  keyboardRowsDOM!: KeyboardElement;
+  defaultName = "default";
+  activeInputElement: HTMLInputElement | HTMLTextAreaElement | null = null;
 
   /**
    * Creates an instance of SimpleKeyboard
@@ -52,9 +54,11 @@ class SimpleKeyboard {
   constructor(...params: KeyboardParams) {
     if (typeof window === "undefined") return;
 
-    const { keyboardDOMClass, keyboardDOM, options = {} } = this.handleParams(
-      params
-    );
+    const {
+      keyboardDOMClass,
+      keyboardDOM,
+      options = {},
+    } = this.handleParams(params);
 
     /**
      * Initializing Utilities
@@ -159,8 +163,9 @@ class SimpleKeyboard {
      * @property {object} default Default SimpleKeyboard internal input.
      * @property {object} myInputName Example input that can be set through `options.inputName:"myInputName"`.
      */
+    const { inputName = this.defaultName } = this.options;
     this.input = {};
-    this.input[this.options.inputName] = "";
+    this.input[inputName] = "";
 
     /**
      * @type {string} DOM class of the keyboard wrapper, normally "simple-keyboard" by default.
@@ -231,7 +236,7 @@ class SimpleKeyboard {
   ): {
     keyboardDOMClass: string;
     keyboardDOM: KeyboardElement;
-    options: Partial<KeyboardOptions>;
+    options: Partial<KeyboardOptions | undefined>;
   } => {
     let keyboardDOMClass;
     let keyboardDOM;
@@ -287,15 +292,15 @@ class SimpleKeyboard {
    * Getters
    */
   getOptions = (): KeyboardOptions => this.options;
-  getCaretPosition = (): number => this.caretPosition;
-  getCaretPositionEnd = (): number => this.caretPositionEnd;
+  getCaretPosition = (): number | null => this.caretPosition;
+  getCaretPositionEnd = (): number | null => this.caretPositionEnd;
 
   /**
    * Changes the internal caret position
    * @param {number} position The caret's start position
    * @param {number} positionEnd The caret's end position
    */
-  setCaretPosition(position: number, endPosition = position): void {
+  setCaretPosition(position: number | null, endPosition = position): void {
     this.caretPosition = position;
     this.caretPositionEnd = endPosition;
   }
@@ -315,8 +320,10 @@ class SimpleKeyboard {
 
     const layoutCandidates = Object.keys(layoutCandidatesObj).filter(
       (layoutCandidate: string) => {
+        const inputSubstr =
+          input.substring(0, this.getCaretPositionEnd() || 0) || input;
         const regexp = new RegExp(`${layoutCandidate}$`, "g");
-        const matches = [...input.matchAll(regexp)];
+        const matches = [...inputSubstr.matchAll(regexp)];
         return !!matches.length;
       }
     );
@@ -354,21 +361,37 @@ class SimpleKeyboard {
       this.candidateBox.show({
         candidateValue,
         targetElement,
-        onSelect: (selectedCandidate: string) => {
+        onSelect: (selectedCandidate: string, e: MouseEvent) => {
           const currentInput = this.getInput(this.options.inputName, true);
+          const initialCaretPosition = this.getCaretPositionEnd() || 0;
+          const inputSubstr =
+            currentInput.substring(0, initialCaretPosition || 0) ||
+            currentInput;
+
           const regexp = new RegExp(`${candidateKey}$`, "g");
-          const newInput = currentInput.replace(regexp, selectedCandidate);
+          const newInputSubstr = inputSubstr.replace(regexp, selectedCandidate);
+          const newInput = currentInput.replace(inputSubstr, newInputSubstr);
+
+          const caretPositionDiff = newInputSubstr.length - inputSubstr.length;
+          let newCaretPosition =
+            (initialCaretPosition || currentInput.length) + caretPositionDiff;
+
+          if (newCaretPosition < 0) newCaretPosition = 0;
 
           this.setInput(newInput, this.options.inputName, true);
+          this.setCaretPosition(newCaretPosition);
 
           if (typeof this.options.onChange === "function")
-            this.options.onChange(this.getInput(this.options.inputName, true));
+            this.options.onChange(
+              this.getInput(this.options.inputName, true),
+              e
+            );
 
           /**
            * Calling onChangeAll
            */
           if (typeof this.options.onChangeAll === "function")
-            this.options.onChangeAll(this.getAllInputs());
+            this.options.onChangeAll(this.getAllInputs(), e);
         },
       });
     }
@@ -379,8 +402,7 @@ class SimpleKeyboard {
    * @param  {string} button The button's layout name.
    */
   handleButtonClicked(button: string, e?: KeyboardHandlerEvent): void {
-    const debug = this.options.debug;
-
+    const { inputName = this.defaultName, debug } = this.options;
     /**
      * Ignoring placeholder buttons
      */
@@ -389,28 +411,47 @@ class SimpleKeyboard {
     /**
      * Creating inputName if it doesn't exist
      */
-    if (!this.input[this.options.inputName])
-      this.input[this.options.inputName] = "";
+    if (!this.input[inputName]) this.input[inputName] = "";
 
     /**
      * Calculating new input
      */
     const updatedInput = this.utilities.getUpdatedInput(
       button,
-      this.input[this.options.inputName],
+      this.input[inputName],
       this.caretPosition,
       this.caretPositionEnd
     );
 
+    /**
+     * EDGE CASE: Check for whole input selection changes that will yield same updatedInput
+     */
+    if (this.utilities.isStandardButton(button) && this.activeInputElement) {
+      const isEntireInputSelection =
+        this.input[inputName] &&
+        this.input[inputName] === updatedInput &&
+        this.caretPosition === 0 &&
+        this.caretPositionEnd === updatedInput.length;
+
+      if (isEntireInputSelection) {
+        this.setInput("", this.options.inputName, true);
+        this.setCaretPosition(0);
+        this.activeInputElement.value = "";
+        this.activeInputElement.setSelectionRange(0, 0);
+        this.handleButtonClicked(button, e);
+        return;
+      }
+    }
+
     /**
      * Calling onKeyPress
      */
     if (typeof this.options.onKeyPress === "function")
-      this.options.onKeyPress(button);
+      this.options.onKeyPress(button, e);
 
     if (
       // If input will change as a result of this button press
-      this.input[this.options.inputName] !== updatedInput &&
+      this.input[inputName] !== updatedInput &&
       // This pertains to the "inputPattern" option:
       // If inputPattern isn't set
       (!this.options.inputPattern ||
@@ -432,7 +473,7 @@ class SimpleKeyboard {
        */
       const newInputValue = this.utilities.getUpdatedInput(
         button,
-        this.input[this.options.inputName],
+        this.input[inputName],
         this.caretPosition,
         this.caretPositionEnd,
         true
@@ -460,21 +501,20 @@ class SimpleKeyboard {
        * Calling onChange
        */
       if (typeof this.options.onChange === "function")
-        this.options.onChange(this.getInput(this.options.inputName, true));
+        this.options.onChange(this.getInput(this.options.inputName, true), e);
 
       /**
        * Calling onChangeAll
        */
       if (typeof this.options.onChangeAll === "function")
-        this.options.onChangeAll(this.getAllInputs());
+        this.options.onChangeAll(this.getAllInputs(), e);
 
       /**
        * Check if this new input has candidates (suggested words)
        */
       if (e?.target && this.options.enableLayoutCandidates) {
-        const { candidateKey, candidateValue } = this.getInputCandidates(
-          updatedInput
-        );
+        const { candidateKey, candidateValue } =
+          this.getInputCandidates(updatedInput);
 
         if (candidateKey && candidateValue) {
           this.showCandidatesBox(
@@ -483,7 +523,7 @@ class SimpleKeyboard {
             this.keyboardDOM
           );
         } else {
-          this.candidateBox.destroy();
+          this.candidateBox?.destroy();
         }
       }
     }
@@ -639,8 +679,9 @@ class SimpleKeyboard {
    * Clear the keyboard’s input.
    * @param {string} [inputName] optional - the internal input to select
    */
-  clearInput(inputName: string): void {
-    inputName = inputName || this.options.inputName;
+  clearInput(
+    inputName: string = this.options.inputName || this.defaultName
+  ): void {
     this.input[inputName] = "";
 
     /**
@@ -658,7 +699,10 @@ class SimpleKeyboard {
    * Get the keyboard’s input (You can also get it from the onChange prop).
    * @param  {string} [inputName] optional - the internal input to select
    */
-  getInput(inputName = this.options.inputName, skipSync = false): string {
+  getInput(
+    inputName: string = this.options.inputName || this.defaultName,
+    skipSync = false
+  ): string {
     /**
      * Enforce syncInstanceInputs, if set
      */
@@ -697,7 +741,7 @@ class SimpleKeyboard {
    */
   setInput(
     input: string,
-    inputName = this.options.inputName,
+    inputName: string = this.options.inputName || this.defaultName,
     skipSync?: boolean
   ): void {
     this.input[inputName] = input;
@@ -758,19 +802,6 @@ class SimpleKeyboard {
    * @param  {object} options The options to set
    */
   onSetOptions(changedOptions: string[] = []): void {
-    /**
-     * Changed: inputName
-     */
-    if (changedOptions.includes("inputName")) {
-      /**
-       * inputName changed. This requires a caretPosition reset
-       */
-      if (this.options.debug) {
-        console.log("inputName changed. caretPosition reset.");
-      }
-      this.setCaretPosition(null);
-    }
-
     /**
      * Changed: layoutName
      */
@@ -851,7 +882,7 @@ class SimpleKeyboard {
          * If class is already defined, we add button to class definition
          */
         this.options.buttonTheme.map((buttonTheme) => {
-          if (buttonTheme.class.split(" ").includes(classNameItem)) {
+          if (buttonTheme?.class.split(" ").includes(classNameItem)) {
             classNameFound = true;
 
             const buttonThemeArray = buttonTheme.buttons.split(" ");
@@ -904,26 +935,28 @@ class SimpleKeyboard {
     ) {
       const buttonArray = buttons.split(" ");
       buttonArray.forEach((button) => {
-        this.options.buttonTheme.map((buttonTheme, index) => {
+        this.options?.buttonTheme?.map((buttonTheme, index) => {
           /**
            * If className is set, we affect the buttons only for that class
            * Otherwise, we afect all classes
            */
           if (
-            (className && className.includes(buttonTheme.class)) ||
+            (buttonTheme &&
+              className &&
+              className.includes(buttonTheme.class)) ||
             !className
           ) {
-            const filteredButtonArray = buttonTheme.buttons
+            const filteredButtonArray = buttonTheme?.buttons
               .split(" ")
               .filter((item) => item !== button);
 
             /**
              * If buttons left, return them, otherwise, remove button Theme
              */
-            if (filteredButtonArray.length) {
+            if (buttonTheme && filteredButtonArray?.length) {
               buttonTheme.buttons = filteredButtonArray.join(" ");
             } else {
-              this.options.buttonTheme.splice(index, 1);
+              this.options.buttonTheme?.splice(index, 1);
               buttonTheme = null;
             }
           }
@@ -940,7 +973,9 @@ class SimpleKeyboard {
    * Get the DOM Element of a button. If there are several buttons with the same name, an array of the DOM Elements is returned.
    * @param  {string} button The button layout name to select
    */
-  getButtonElement(button: string): KeyboardElement | KeyboardElement[] {
+  getButtonElement(
+    button: string
+  ): KeyboardElement | KeyboardElement[] | undefined {
     let output;
 
     const buttonArr = this.buttonElements[button];
@@ -969,7 +1004,8 @@ class SimpleKeyboard {
     if (inputPatternRaw instanceof RegExp) {
       inputPattern = inputPatternRaw;
     } else {
-      inputPattern = inputPatternRaw[this.options.inputName];
+      inputPattern =
+        inputPatternRaw[this.options.inputName || this.defaultName];
     }
 
     if (inputPattern && inputVal) {
@@ -1077,10 +1113,11 @@ class SimpleKeyboard {
       }
 
       if (
-        (targetTagName === "textarea" || targetTagName === "input") &&
-        ["text", "search", "url", "tel", "password"].includes(
-          event.target.type
-        ) &&
+        (targetTagName === "textarea" ||
+          (targetTagName === "input" &&
+            ["text", "search", "url", "tel", "password"].includes(
+              event.target.type
+            ))) &&
         !instance.options.disableCaretPositioning
       ) {
         /**
@@ -1092,6 +1129,11 @@ class SimpleKeyboard {
           event.target.selectionEnd
         );
 
+        /**
+         * Tracking current input in order to handle caret positioning edge cases
+         */
+        this.activeInputElement = event.target;
+
         if (instance.options.debug) {
           console.log(
             "Caret at: ",
@@ -1106,6 +1148,18 @@ class SimpleKeyboard {
          * If we toggled off disableCaretPositioning, we must ensure caretPosition doesn't persist once reactivated.
          */
         instance.setCaretPosition(null);
+
+        /**
+         * Resetting activeInputElement
+         */
+        this.activeInputElement = null;
+
+        if (instance.options.debug) {
+          console.log(
+            `Caret position reset due to "${event?.type}" event`,
+            event
+          );
+        }
       }
     });
   }
@@ -1146,26 +1200,25 @@ class SimpleKeyboard {
     /**
      * Remove buttons
      */
-    let deleteButton = (buttonElement: KeyboardElement) => {
-      buttonElement.onpointerdown = null;
-      buttonElement.onpointerup = null;
-      buttonElement.onpointercancel = null;
-      buttonElement.ontouchstart = null;
-      buttonElement.ontouchend = null;
-      buttonElement.ontouchcancel = null;
-      buttonElement.onclick = null;
-      buttonElement.onmousedown = null;
-      buttonElement.onmouseup = null;
+    const deleteButton = (buttonElement: KeyboardElement | null) => {
+      if (buttonElement) {
+        buttonElement.onpointerdown = null;
+        buttonElement.onpointerup = null;
+        buttonElement.onpointercancel = null;
+        buttonElement.ontouchstart = null;
+        buttonElement.ontouchend = null;
+        buttonElement.ontouchcancel = null;
+        buttonElement.onclick = null;
+        buttonElement.onmousedown = null;
+        buttonElement.onmouseup = null;
 
-      buttonElement.remove();
-      buttonElement = null;
+        buttonElement.remove();
+        buttonElement = null;
+      }
     };
 
     this.recurseButtons(deleteButton);
 
-    this.recurseButtons = null;
-    deleteButton = null;
-
     /**
      * Remove wrapper events
      */
@@ -1186,6 +1239,11 @@ class SimpleKeyboard {
       this.candidateBox = null;
     }
 
+    /**
+     * Clearing activeInputElement
+     */
+    this.activeInputElement = null;
+
     /**
      * Clearing keyboardDOM
      */
@@ -1213,6 +1271,7 @@ class SimpleKeyboard {
     if (Array.isArray(buttonTheme)) {
       buttonTheme.forEach((themeObj) => {
         if (
+          themeObj &&
           themeObj.class &&
           typeof themeObj.class === "string" &&
           themeObj.buttons &&
@@ -1336,7 +1395,7 @@ class SimpleKeyboard {
     }
 
     if (typeof this.options.beforeFirstRender === "function")
-      this.options.beforeFirstRender();
+      this.options.beforeFirstRender(this);
 
     /**
      * Notify about PointerEvents usage
@@ -1369,7 +1428,7 @@ class SimpleKeyboard {
    */
   beforeRender() {
     if (typeof this.options.beforeRender === "function")
-      this.options.beforeRender();
+      this.options.beforeRender(this);
   }
 
   /**
@@ -1574,211 +1633,219 @@ class SimpleKeyboard {
     /**
      * Iterating through each row
      */
-    layout[this.options.layoutName].forEach((row, rIndex) => {
-      let rowArray = row.split(" ");
-
-      /**
-       * Enforce excludeFromLayout
-       */
-      if (this.options.excludeFromLayout[this.options.layoutName]) {
-        rowArray = rowArray.filter(
-          (buttonName) =>
-            !this.options.excludeFromLayout[this.options.layoutName].includes(
-              buttonName
-            )
-        );
-      }
-
-      /**
-       * Creating empty row
-       */
-      let rowDOM = document.createElement("div");
-      rowDOM.className += "hg-row";
-
-      /**
-       * Tracking container indicators in rows
-       */
-      const containerStartIndexes: number[] = [];
-      const containerEndIndexes: number[] = [];
-
-      /**
-       * Iterating through each button in row
-       */
-      rowArray.forEach((button, bIndex) => {
-        /**
-         * Check if button has a container indicator
-         */
-        const buttonHasContainerStart =
-          !disableRowButtonContainers &&
-          typeof button === "string" &&
-          button.length > 1 &&
-          button.indexOf("[") === 0;
-
-        const buttonHasContainerEnd =
-          !disableRowButtonContainers &&
-          typeof button === "string" &&
-          button.length > 1 &&
-          button.indexOf("]") === button.length - 1;
+    layout[this.options.layoutName || this.defaultName].forEach(
+      (row, rIndex) => {
+        let rowArray = row.split(" ");
 
         /**
-         * Save container start index, if applicable
+         * Enforce excludeFromLayout
          */
-        if (buttonHasContainerStart) {
-          containerStartIndexes.push(bIndex);
-
-          /**
-           * Removing indicator
-           */
-          button = button.replace(/\[/g, "");
-        }
-
-        if (buttonHasContainerEnd) {
-          containerEndIndexes.push(bIndex);
-
-          /**
-           * Removing indicator
-           */
-          button = button.replace(/\]/g, "");
-        }
-
-        /**
-         * Processing button options
-         */
-        const fctBtnClass = this.utilities.getButtonClass(button);
-        const buttonDisplayName = this.utilities.getButtonDisplayName(
-          button,
-          this.options.display,
-          this.options.mergeDisplay
-        );
-
-        /**
-         * Creating button
-         */
-        const buttonType = this.options.useButtonTag ? "button" : "div";
-        const buttonDOM = document.createElement(buttonType);
-        buttonDOM.className += `hg-button ${fctBtnClass}`;
-
-        /**
-         * Adding buttonTheme
-         */
-        buttonDOM.classList.add(...this.getButtonThemeClasses(button));
-
-        /**
-         * Adding buttonAttributes
-         */
-        this.setDOMButtonAttributes(
-          button,
-          (attribute: string, value: string) => {
-            buttonDOM.setAttribute(attribute, value);
-          }
-        );
-
-        this.activeButtonClass = "hg-activeButton";
-
-        /**
-         * Handle button click event
-         */
-        /* istanbul ignore next */
         if (
-          this.utilities.pointerEventsSupported() &&
-          !useTouchEvents &&
-          !useMouseEvents
+          this.options.excludeFromLayout &&
+          this.options.excludeFromLayout[
+            this.options.layoutName || this.defaultName
+          ]
         ) {
+          rowArray = rowArray.filter(
+            (buttonName) =>
+              this.options.excludeFromLayout &&
+              !this.options.excludeFromLayout[
+                this.options.layoutName || this.defaultName
+              ].includes(buttonName)
+          );
+        }
+
+        /**
+         * Creating empty row
+         */
+        let rowDOM = document.createElement("div");
+        rowDOM.className += "hg-row";
+
+        /**
+         * Tracking container indicators in rows
+         */
+        const containerStartIndexes: number[] = [];
+        const containerEndIndexes: number[] = [];
+
+        /**
+         * Iterating through each button in row
+         */
+        rowArray.forEach((button, bIndex) => {
           /**
-           * Handle PointerEvents
+           * Check if button has a container indicator
            */
-          buttonDOM.onpointerdown = (e: KeyboardHandlerEvent) => {
-            this.handleButtonClicked(button, e);
-            this.handleButtonMouseDown(button, e);
-          };
-          buttonDOM.onpointerup = (e: KeyboardHandlerEvent) => {
-            this.handleButtonMouseUp(button, e);
-          };
-          buttonDOM.onpointercancel = (e: KeyboardHandlerEvent) => {
-            this.handleButtonMouseUp(button, e);
-          };
-        } else {
+          const buttonHasContainerStart =
+            !disableRowButtonContainers &&
+            typeof button === "string" &&
+            button.length > 1 &&
+            button.indexOf("[") === 0;
+
+          const buttonHasContainerEnd =
+            !disableRowButtonContainers &&
+            typeof button === "string" &&
+            button.length > 1 &&
+            button.indexOf("]") === button.length - 1;
+
           /**
-           * Fallback for browsers not supporting PointerEvents
+           * Save container start index, if applicable
            */
-          if (useTouchEvents) {
+          if (buttonHasContainerStart) {
+            containerStartIndexes.push(bIndex);
+
             /**
-             * Handle touch events
+             * Removing indicator
              */
-            buttonDOM.ontouchstart = (e: KeyboardHandlerEvent) => {
+            button = button.replace(/\[/g, "");
+          }
+
+          if (buttonHasContainerEnd) {
+            containerEndIndexes.push(bIndex);
+
+            /**
+             * Removing indicator
+             */
+            button = button.replace(/\]/g, "");
+          }
+
+          /**
+           * Processing button options
+           */
+          const fctBtnClass = this.utilities.getButtonClass(button);
+          const buttonDisplayName = this.utilities.getButtonDisplayName(
+            button,
+            this.options.display,
+            this.options.mergeDisplay
+          );
+
+          /**
+           * Creating button
+           */
+          const buttonType = this.options.useButtonTag ? "button" : "div";
+          const buttonDOM = document.createElement(buttonType);
+          buttonDOM.className += `hg-button ${fctBtnClass}`;
+
+          /**
+           * Adding buttonTheme
+           */
+          buttonDOM.classList.add(...this.getButtonThemeClasses(button));
+
+          /**
+           * Adding buttonAttributes
+           */
+          this.setDOMButtonAttributes(
+            button,
+            (attribute: string, value: string) => {
+              buttonDOM.setAttribute(attribute, value);
+            }
+          );
+
+          this.activeButtonClass = "hg-activeButton";
+
+          /**
+           * Handle button click event
+           */
+          /* istanbul ignore next */
+          if (
+            this.utilities.pointerEventsSupported() &&
+            !useTouchEvents &&
+            !useMouseEvents
+          ) {
+            /**
+             * Handle PointerEvents
+             */
+            buttonDOM.onpointerdown = (e: KeyboardHandlerEvent) => {
               this.handleButtonClicked(button, e);
               this.handleButtonMouseDown(button, e);
             };
-            buttonDOM.ontouchend = (e: KeyboardHandlerEvent) => {
+            buttonDOM.onpointerup = (e: KeyboardHandlerEvent) => {
               this.handleButtonMouseUp(button, e);
             };
-            buttonDOM.ontouchcancel = (e: KeyboardHandlerEvent) => {
+            buttonDOM.onpointercancel = (e: KeyboardHandlerEvent) => {
               this.handleButtonMouseUp(button, e);
             };
           } else {
             /**
-             * Handle mouse events
+             * Fallback for browsers not supporting PointerEvents
              */
-            buttonDOM.onclick = (e: KeyboardHandlerEvent) => {
-              this.isMouseHold = false;
-              this.handleButtonClicked(button, e);
-            };
-            buttonDOM.onmousedown = (e: KeyboardHandlerEvent) => {
-              this.handleButtonMouseDown(button, e);
-            };
-            buttonDOM.onmouseup = (e: KeyboardHandlerEvent) => {
-              this.handleButtonMouseUp(button, e);
-            };
+            if (useTouchEvents) {
+              /**
+               * Handle touch events
+               */
+              buttonDOM.ontouchstart = (e: KeyboardHandlerEvent) => {
+                this.handleButtonClicked(button, e);
+                this.handleButtonMouseDown(button, e);
+              };
+              buttonDOM.ontouchend = (e: KeyboardHandlerEvent) => {
+                this.handleButtonMouseUp(button, e);
+              };
+              buttonDOM.ontouchcancel = (e: KeyboardHandlerEvent) => {
+                this.handleButtonMouseUp(button, e);
+              };
+            } else {
+              /**
+               * Handle mouse events
+               */
+              buttonDOM.onclick = (e: KeyboardHandlerEvent) => {
+                this.isMouseHold = false;
+                this.handleButtonClicked(button, e);
+              };
+              buttonDOM.onmousedown = (e: KeyboardHandlerEvent) => {
+                this.handleButtonMouseDown(button, e);
+              };
+              buttonDOM.onmouseup = (e: KeyboardHandlerEvent) => {
+                this.handleButtonMouseUp(button, e);
+              };
+            }
           }
-        }
+
+          /**
+           * Adding identifier
+           */
+          buttonDOM.setAttribute("data-skBtn", button);
+
+          /**
+           * Adding unique id
+           * Since there's no limit on spawning same buttons, the unique id ensures you can style every button
+           */
+          const buttonUID = `${this.options.layoutName}-r${rIndex}b${bIndex}`;
+          buttonDOM.setAttribute("data-skBtnUID", buttonUID);
+
+          /**
+           * Adding button label to button
+           */
+          const buttonSpanDOM = document.createElement("span");
+          buttonSpanDOM.innerHTML = buttonDisplayName;
+          buttonDOM.appendChild(buttonSpanDOM);
+
+          /**
+           * Adding to buttonElements
+           */
+          if (!this.buttonElements[button]) this.buttonElements[button] = [];
+
+          this.buttonElements[button].push(buttonDOM);
+
+          /**
+           * Appending button to row
+           */
+          rowDOM.appendChild(buttonDOM);
+        });
 
         /**
-         * Adding identifier
+         * Parse containers in row
          */
-        buttonDOM.setAttribute("data-skBtn", button);
+        rowDOM = this.parseRowDOMContainers(
+          rowDOM,
+          rIndex,
+          containerStartIndexes,
+          containerEndIndexes
+        );
 
         /**
-         * Adding unique id
-         * Since there's no limit on spawning same buttons, the unique id ensures you can style every button
+         * Appending row to hg-rows
          */
-        const buttonUID = `${this.options.layoutName}-r${rIndex}b${bIndex}`;
-        buttonDOM.setAttribute("data-skBtnUID", buttonUID);
-
-        /**
-         * Adding button label to button
-         */
-        const buttonSpanDOM = document.createElement("span");
-        buttonSpanDOM.innerHTML = buttonDisplayName;
-        buttonDOM.appendChild(buttonSpanDOM);
-
-        /**
-         * Adding to buttonElements
-         */
-        if (!this.buttonElements[button]) this.buttonElements[button] = [];
-
-        this.buttonElements[button].push(buttonDOM);
-
-        /**
-         * Appending button to row
-         */
-        rowDOM.appendChild(buttonDOM);
-      });
-
-      /**
-       * Parse containers in row
-       */
-      rowDOM = this.parseRowDOMContainers(
-        rowDOM,
-        rIndex,
-        containerStartIndexes,
-        containerEndIndexes
-      );
-
-      /**
-       * Appending row to hg-rows
-       */
-      this.keyboardRowsDOM.appendChild(rowDOM);
-    });
+        this.keyboardRowsDOM.appendChild(rowDOM);
+      }
+    );
 
     /**
      * Appending row to keyboard
@@ -1806,7 +1873,7 @@ class SimpleKeyboard {
         !useMouseEvents
       ) {
         document.onpointerup = (e: KeyboardHandlerEvent) =>
-          this.handleButtonMouseUp(null, e);
+          this.handleButtonMouseUp(undefined, e);
         this.keyboardDOM.onpointerdown = (e: KeyboardHandlerEvent) =>
           this.handleKeyboardContainerMouseDown(e);
       } else if (useTouchEvents) {
@@ -1814,9 +1881,9 @@ class SimpleKeyboard {
          * Handling ontouchend, ontouchcancel
          */
         document.ontouchend = (e: KeyboardHandlerEvent) =>
-          this.handleButtonMouseUp(null, e);
+          this.handleButtonMouseUp(undefined, e);
         document.ontouchcancel = (e: KeyboardHandlerEvent) =>
-          this.handleButtonMouseUp(null, e);
+          this.handleButtonMouseUp(undefined, e);
 
         this.keyboardDOM.ontouchstart = (e: KeyboardHandlerEvent) =>
           this.handleKeyboardContainerMouseDown(e);
@@ -1825,7 +1892,7 @@ class SimpleKeyboard {
          * Handling mouseup
          */
         document.onmouseup = (e: KeyboardHandlerEvent) =>
-          this.handleButtonMouseUp(null, e);
+          this.handleButtonMouseUp(undefined, e);
         this.keyboardDOM.onmousedown = (e: KeyboardHandlerEvent) =>
           this.handleKeyboardContainerMouseDown(e);
       }

src/lib/components/tests/CandidateBox.test.js

@@ -216,7 +216,7 @@ it('CandidateBox select candidate will work', () => {
   keyboard.getButtonElement("a").click();
   keyboard.candidateBox.candidateBoxElement.querySelector("li").click();
 
-  expect(onSelect).toBeCalledWith("1");
+  expect(onSelect).toBeCalledWith("1", expect.anything());
   keyboard.destroy();
 });
 
@@ -353,6 +353,7 @@ it('CandidateBox selection should trigger onChange', () => {
     });
   
     const candidateBoxRenderFn = keyboard.candidateBox.renderPage;
+    
     jest.spyOn(keyboard.candidateBox, "renderPage").mockImplementation((params) => {
       candidateBoxOnItemSelected = params.onItemSelected;
       params.onItemSelected = onSelect;
@@ -362,10 +363,10 @@ it('CandidateBox selection should trigger onChange', () => {
     keyboard.getButtonElement("a").click();
     keyboard.candidateBox.candidateBoxElement.querySelector("li").click();
   
-    expect(keyboard.options.onChange).toBeCalledWith("a");
-    expect(keyboard.options.onChangeAll).toBeCalledWith({"default": "a"});
+    expect(keyboard.options.onChange.mock.calls[0][0]).toBe("a");
+    expect(keyboard.options.onChangeAll.mock.calls[0][0]).toMatchObject({"default": "a"});
 
-    expect(keyboard.options.onChange).toBeCalledWith("1");
-    expect(keyboard.options.onChangeAll).toBeCalledWith({"default": "1"});
+    expect(keyboard.options.onChange.mock.calls[1][0]).toBe("1");
+    expect(keyboard.options.onChangeAll.mock.calls[1][0]).toMatchObject({"default": "1"});
     keyboard.destroy();
   });

src/lib/components/tests/Keyboard.test.js

@@ -1138,27 +1138,6 @@ it('Keyboard disableRowButtonContainers will bypass parseRowDOMContainers', () =
   expect(containers.length).toBe(0);
 });
 
-it('Keyboard inputName change will trigget caretPosition reset', () => {
-    const keyboard = new Keyboard();
-
-  keyboard.setCaretPosition(0);
-
-  keyboard.getButtonElement("q").onpointerdown();
-  keyboard.getButtonElement("1").onpointerdown();
-
-  expect(keyboard.getCaretPosition()).toBe(2);
-
-  keyboard.setOptions({
-    inputName: "myInput"
-  });
-
-  keyboard.getButtonElement("q").onpointerdown();
-  keyboard.getButtonElement("1").onpointerdown();
-  keyboard.getButtonElement("b").onpointerdown();
-
-  expect(keyboard.getCaretPosition()).toBe(null);
-});
-
 it('Keyboard destroy will work', () => {
     const keyboard = new Keyboard();
   keyboard.destroy();
@@ -1351,4 +1330,25 @@ it('Keyboard excludeFromLayout will work', () => {
 it('Keyboard onSetOptions can be called without changedOptions param', () => {
   const keyboard = new Keyboard();
   expect(keyboard.onSetOptions()).toBeUndefined();
+});
+
+it('Keyboard will handle selected input with unchanged updatedInput edge case', () => {
+  const inputElem = document.createElement("input");
+  const onChange = jest.fn();
+  const keyboard = new Keyboard({ onChange });
+  
+  const initialValue = "3";
+  inputElem.value = initialValue;
+  inputElem.select();
+  keyboard.setInput(initialValue);
+  keyboard.activeInputElement = inputElem;
+  keyboard.setCaretPosition(0, 1);
+
+  keyboard.getButtonElement("3").onpointerdown();
+  keyboard.getButtonElement("3").onpointerdown();
+
+  expect(onChange).toBeCalledTimes(2);
+  expect(keyboard.getInput()).toBe("33");
+  expect(keyboard.getCaretPosition()).toBe(2);
+  expect(keyboard.getCaretPositionEnd()).toBe(2);
 });

src/lib/interfaces.ts

@@ -6,10 +6,10 @@ export interface KeyboardLayoutObject {
     [key: string]: string[];
 }
 
-export interface KeyboardButtonTheme {
+export type KeyboardButtonTheme = {
     class: string;
     buttons: string;
-}
+} | null;
 
 export interface KeyboardButtonAttributes {
     attribute: string;
@@ -31,7 +31,7 @@ export type CandidateBoxShowParams = {
     candidateValue: string,
     targetElement: KeyboardElement,
     // eslint-disable-next-line no-unused-vars
-    onSelect: (selectedCandidate: string) => void
+    onSelect: (selectedCandidate: string, e: MouseEvent) => void
 }
 
 export type CandidateBoxRenderParams = {
@@ -40,11 +40,11 @@ export type CandidateBoxRenderParams = {
     pageIndex: number;
     nbPages: number;
     // eslint-disable-next-line no-unused-vars
-    onItemSelected: (selectedCandidate: string) => void
+    onItemSelected: (selectedCandidate: string, e: MouseEvent) => void
 }
 
 export type KeyboardElement = HTMLDivElement | HTMLButtonElement;
-export type KeyboardHandlerEvent = PointerEvent & TouchEvent & KeyboardEvent & { target: HTMLDivElement & HTMLInputElement };
+export type KeyboardHandlerEvent = any;
 
 export interface KeyboardButtonElements {
     [key: string]: KeyboardElement[]
@@ -52,8 +52,13 @@ export interface KeyboardButtonElements {
 
 export interface UtilitiesParams {
     getOptions: () => KeyboardOptions;
-    getCaretPosition: () => number;
-    getCaretPositionEnd: () => number;
+    getCaretPosition: () => number | null;
+    getCaretPositionEnd: () => number | null;
+    dispatch: any;
+}
+
+export interface PhysicalKeyboardParams {
+    getOptions: () => KeyboardOptions;
     dispatch: any;
 }
 
@@ -235,6 +240,16 @@ export interface KeyboardOptions {
      */
      onInit?: (instance?: SimpleKeyboard) => void;
 
+    /**
+     * Retrieves the current input
+     */
+    onChange?: (input: string, e?: MouseEvent) => any;
+
+    /**
+     * Retrieves all inputs
+     */
+    onChangeAll?: (inputObj: KeyboardInput, e?: MouseEvent) => any;
+
     /**
      * Module options can have any format
      */

src/lib/services/PhysicalKeyboard.ts

@@ -1,4 +1,4 @@
-import { KeyboardOptions, UtilitiesParams } from "../interfaces";
+import { KeyboardOptions, PhysicalKeyboardParams } from "../interfaces";
 import Utilities from "../services/Utilities";
 
 /**
@@ -11,7 +11,7 @@ class PhysicalKeyboard {
   /**
    * Creates an instance of the PhysicalKeyboard service
    */
-  constructor({ dispatch, getOptions }: Partial<UtilitiesParams>) {
+  constructor({ dispatch, getOptions }: PhysicalKeyboardParams) {
     /**
      * @type {object} A simple-keyboard instance
      */
@@ -40,22 +40,13 @@ class PhysicalKeyboard {
           options.physicalKeyboardHighlightTextColor || "black";
 
         if (options.physicalKeyboardHighlightPress) {
-          /**
-           * Trigger pointerdown
-           */
-          (
-            buttonDOM.onpointerdown ||
-            buttonDOM.onmousedown ||
-            buttonDOM.ontouchstart ||
-            Utilities.noop
-          )();
+          buttonDOM.click();
         }
       }
     });
   }
 
   handleHighlightKeyUp(event: KeyboardEvent) {
-    const options = this.getOptions();
     const buttonPressed = this.getSimpleKeyboardLayoutKey(event);
 
     this.dispatch((instance: any) => {
@@ -65,18 +56,6 @@ class PhysicalKeyboard {
 
       if (buttonDOM && buttonDOM.removeAttribute) {
         buttonDOM.removeAttribute("style");
-
-        if (options.physicalKeyboardHighlightPress) {
-          /**
-           * Trigger pointerup
-           */
-          (
-            buttonDOM.onpointerup ||
-            buttonDOM.onmouseup ||
-            buttonDOM.ontouchend ||
-            Utilities.noop
-          )();
-        }
       }
     });
   }
@@ -86,35 +65,129 @@ class PhysicalKeyboard {
    * @param  {object} event The KeyboardEvent
    */
   getSimpleKeyboardLayoutKey(event: KeyboardEvent) {
-    let output;
+    let output = "";
+    const keyId = event.code || event.key || this.keyCodeToKey(event?.keyCode);
 
     if (
-      event.code.includes("Numpad") ||
-      event.code.includes("Shift") ||
-      event.code.includes("Space") ||
-      event.code.includes("Backspace") ||
-      event.code.includes("Control") ||
-      event.code.includes("Alt") ||
-      event.code.includes("Meta")
+      keyId?.includes("Numpad") ||
+      keyId?.includes("Shift") ||
+      keyId?.includes("Space") ||
+      keyId?.includes("Backspace") ||
+      keyId?.includes("Control") ||
+      keyId?.includes("Alt") ||
+      keyId?.includes("Meta")
     ) {
-      output = event.code;
+      output = event.code || "";
     } else {
-      output = event.key;
+      output = event.key || this.keyCodeToKey(event?.keyCode) || "";
     }
 
-    /**
-     * Casting key to lowercase
-     */
-    if (
-      (output && output !== output.toUpperCase()) ||
-      (event.code[0] === "F" &&
-        Number.isInteger(Number(event.code[1])) &&
-        event.code.length <= 3)
-    ) {
-      output = output ? output.toLowerCase() : output;
-    }
+    return output.length > 1 ? output?.toLowerCase() : output;
+  }
 
-    return output;
+  /**
+   * Retrieve key from keyCode
+   */
+  keyCodeToKey(keyCode: number) {
+    return {
+      8: "Backspace",
+      9: "Tab",
+      13: "Enter",
+      16: "Shift",
+      17: "Ctrl",
+      18: "Alt",
+      19: "Pause",
+      20: "CapsLock",
+      27: "Esc",
+      32: "Space",
+      33: "PageUp",
+      34: "PageDown",
+      35: "End",
+      36: "Home",
+      37: "ArrowLeft",
+      38: "ArrowUp",
+      39: "ArrowRight",
+      40: "ArrowDown",
+      45: "Insert",
+      46: "Delete",
+      48: "0",
+      49: "1",
+      50: "2",
+      51: "3",
+      52: "4",
+      53: "5",
+      54: "6",
+      55: "7",
+      56: "8",
+      57: "9",
+      65: "A",
+      66: "B",
+      67: "C",
+      68: "D",
+      69: "E",
+      70: "F",
+      71: "G",
+      72: "H",
+      73: "I",
+      74: "J",
+      75: "K",
+      76: "L",
+      77: "M",
+      78: "N",
+      79: "O",
+      80: "P",
+      81: "Q",
+      82: "R",
+      83: "S",
+      84: "T",
+      85: "U",
+      86: "V",
+      87: "W",
+      88: "X",
+      89: "Y",
+      90: "Z",
+      91: "Meta",
+      96: "Numpad0",
+      97: "Numpad1",
+      98: "Numpad2",
+      99: "Numpad3",
+      100: "Numpad4",
+      101: "Numpad5",
+      102: "Numpad6",
+      103: "Numpad7",
+      104: "Numpad8",
+      105: "Numpad9",
+      106: "NumpadMultiply",
+      107: "NumpadAdd",
+      109: "NumpadSubtract",
+      110: "NumpadDecimal",
+      111: "NumpadDivide",
+      112: "F1",
+      113: "F2",
+      114: "F3",
+      115: "F4",
+      116: "F5",
+      117: "F6",
+      118: "F7",
+      119: "F8",
+      120: "F9",
+      121: "F10",
+      122: "F11",
+      123: "F12",
+      144: "NumLock",
+      145: "ScrollLock",
+      186: ";",
+      187: "=",
+      188: ",",
+      189: "-",
+      190: ".",
+      191: "/",
+      192: "`",
+      219: "[",
+      220: "\\",
+      221: "]",
+      222: "'",
+    }[keyCode];
   }
 }
 

src/lib/services/Utilities.ts

@@ -6,10 +6,10 @@ import { KeyboardOptions, UtilitiesParams } from "../interfaces";
  */
 class Utilities {
   getOptions: () => KeyboardOptions;
-  getCaretPosition: () => number;
-  getCaretPositionEnd: () => number;
+  getCaretPosition: () => number | null;
+  getCaretPositionEnd: () => number | null;
   dispatch: any;
-  maxLengthReached: boolean;
+  maxLengthReached!: boolean;
 
   /**
    * Creates an instance of the Utility service
@@ -106,6 +106,7 @@ class Utilities {
       "{home}": "home",
       "{pageup}": "up",
       "{delete}": "del",
+      "{forwarddelete}": "del",
       "{end}": "end",
       "{pagedown}": "down",
       "{numpadmultiply}": "*",
@@ -177,6 +178,11 @@ class Utilities {
       output.length > 0
     ) {
       output = this.removeAt(output, ...commonParams);
+    } else if (
+      (button === "{delete}" || button === "{forwarddelete}") &&
+      output.length > 0
+    ) {
+      output = this.removeForwardsAt(output, ...commonParams);
     } else if (button === "{space}")
       output = this.addStringAt(output, " ", ...commonParams);
     else if (
@@ -243,10 +249,12 @@ class Utilities {
     const options = this.getOptions();
     let caretPosition = this.getCaretPosition();
 
-    if (minus) {
-      if (caretPosition > 0) caretPosition = caretPosition - length;
-    } else {
-      caretPosition = caretPosition + length;
+    if (caretPosition != null) {
+      if (minus) {
+        if (caretPosition > 0) caretPosition = caretPosition - length;
+      } else {
+        caretPosition = caretPosition + length;
+      }
     }
 
     if (options.debug) {
@@ -292,7 +300,13 @@ class Utilities {
   }
 
   /**
-   * Removes an amount of characters at a given position
+   * Check whether the button is a standard button
+   */
+  isStandardButton = (button: string) =>
+    button && !(button[0] === "{" && button[button.length - 1] === "}");
+
+  /**
+   * Removes an amount of characters before a given position
    *
    * @param  {string} source The source input
    * @param  {number} position The (cursor) position from where the characters should be removed
@@ -353,6 +367,52 @@ class Utilities {
 
     return output;
   }
+
+  /**
+   * Removes an amount of characters after a given position
+   *
+   * @param  {string} source The source input
+   * @param  {number} position The (cursor) position from where the characters should be removed
+   */
+  removeForwardsAt(
+    source: string,
+    position: number = source.length,
+    positionEnd: number = source.length,
+    moveCaret = false
+  ) {
+    if (!source?.length || position === null) {
+      return source;
+    }
+
+    let output;
+
+    if (position === positionEnd) {
+      const emojiMatchedReg = /([\uD800-\uDBFF][\uDC00-\uDFFF])/g;
+
+      /**
+       * Emojis are made out of two characters, so we must take a custom approach to trim them.
+       * For more info: https://mathiasbynens.be/notes/javascript-unicode
+       */
+      const nextTwoChars = source.substring(position, position + 2);
+      const emojiMatched = nextTwoChars.match(emojiMatchedReg);
+
+      if (emojiMatched) {
+        output = source.substr(0, position) + source.substr(position + 2);
+      } else {
+        output = source.substr(0, position) + source.substr(position + 1);
+      }
+    } else {
+      output = source.slice(0, position) + source.slice(positionEnd);
+      if (moveCaret) {
+        this.dispatch((instance: any) => {
+          instance.setCaretPosition(position);
+        });
+      }
+    }
+
+    return output;
+  }
+
   /**
    * Determines whether the maxLength has been reached. This function is called when the maxLength option it set.
    *
@@ -362,7 +422,7 @@ class Utilities {
   handleMaxLength(inputObj: KeyboardInput, updatedInput: string) {
     const options = this.getOptions();
     const maxLength = options.maxLength;
-    const currentInput = inputObj[options.inputName];
+    const currentInput = inputObj[options.inputName || "default"];
     const condition = updatedInput.length - 1 >= maxLength;
 
     if (
@@ -393,7 +453,8 @@ class Utilities {
     }
 
     if (typeof maxLength === "object") {
-      const condition = updatedInput.length - 1 >= maxLength[options.inputName];
+      const condition =
+        updatedInput.length - 1 >= maxLength[options.inputName || "default"];
 
       if (options.debug) {
         console.log("maxLength (obj) reached:", condition);
@@ -451,7 +512,7 @@ class Utilities {
    * @param  {string} str The string to transform.
    */
   camelCase(str: string): string {
-    if (!str) return;
+    if (!str) return "";
 
     return str
       .toLowerCase()

src/lib/services/tests/PhysicalKeyboard.test.js

@@ -201,4 +201,25 @@ it('PhysicalKeyboard with physicalKeyboardHighlightPress can trigger noop', () =
       tagName: "input"
     }
   }));
+});
+
+it('PhysicalKeyboard keyCodeToKey will work', () => {
+  setDOM();
+
+  const keyboard = new Keyboard({
+    physicalKeyboardHighlight: true
+  });
+
+  expect(keyboard.physicalKeyboard.keyCodeToKey(186)).toBe(";");
+
+  const methodTest = spyOn(keyboard.physicalKeyboard, "keyCodeToKey");
+
+  document.dispatchEvent(new KeyboardEvent('keyup', {
+    keyCode: 186,
+    target: {
+      tagName: "input"
+    }
+  }));
+
+  expect(methodTest).toBeCalledWith(186);
 });

src/lib/services/tests/Utilities.test.js

@@ -34,6 +34,16 @@ it('Keyboard {bksp} button will work', () => {
   expect(output).toBe("tes");
 });
 
+it('Keyboard {delete} button will work', () => {
+  setDOM();
+
+  const keyboard = new Keyboard();
+
+  const output = keyboard.utilities.getUpdatedInput("{delete}", "test", 1);
+  
+  expect(output).toBe("tst");
+});
+
 it('Keyboard {space} button will work', () => {
   setDOM();
 
@@ -585,3 +595,167 @@ it('Keyboard camelCase will work with empty strings', () => {
   const keyboard = new Keyboard();
   expect(keyboard.utilities.camelCase()).toBeFalsy();
 });
+
+it('Keyboard removeForwardsAt will exit out on caretPosition:0', () => {
+  setDOM();
+
+  const keyboard = new Keyboard();
+
+  keyboard.setInput("test");
+
+  keyboard.setCaretPosition(0);
+  keyboard.utilities.removeForwardsAt(keyboard.getInput(), 0);
+  expect(keyboard.getInput()).toBe("test");
+
+  keyboard.setInput("test");
+
+  keyboard.setCaretPosition(5);
+  keyboard.utilities.removeForwardsAt(keyboard.getInput(), 0, 0, true);
+  expect(keyboard.caretPosition).toBe(5);
+});
+
+it('Keyboard removeForwardsAt will remove multi-byte unicodes with caretPos>0', () => {
+  setDOM();
+
+  const keyboard = new Keyboard();
+
+  keyboard.setCaretPosition(4);
+  let output = keyboard.utilities.removeForwardsAt("test\uD83D\uDE00", 4, 4);
+  expect(output).toBe("test");
+
+  keyboard.setCaretPosition(4);
+  output = keyboard.utilities.removeForwardsAt("test\uD83D\uDE00", 4, 4, true);
+  expect(keyboard.caretPosition).toBe(4);
+});
+
+it('Keyboard removeForwardsAt will not remove multi-byte unicodes with caretPos:0', () => {
+  setDOM();
+
+  const str = "\uD83D\uDE00";
+  const keyboard = new Keyboard();
+  let output = keyboard.utilities.removeForwardsAt(str, 0);
+  expect(output).toBe("");
+
+  output = keyboard.utilities.removeForwardsAt(str, 0, 0, true);
+  expect(output).toBe("");
+});
+
+it('Keyboard removeForwardsAt will propagate caretPosition', () => {
+  clearDOM();
+
+  document.body.innerHTML = `
+    <div class="simple-keyboard"></div>
+    <div class="keyboard2"></div>
+  `;
+
+  const keyboard = new Keyboard({
+    useMouseEvents: true,
+    layout: {
+      default: ["{delete}"]
+    }
+  });
+  const keyboard2 = new Keyboard('.keyboard2');
+
+  keyboard.input.default = "hello";
+  keyboard2.input.default = "world"
+  
+  keyboard.setCaretPosition(1);
+  expect(keyboard.getCaretPosition()).toBe(1);
+  expect(keyboard.getCaretPositionEnd()).toBe(1);
+  
+  keyboard.setCaretPosition(1, 3);
+  expect(keyboard.getCaretPosition()).toBe(1);
+  expect(keyboard.getCaretPositionEnd()).toBe(3);
+
+  keyboard.getButtonElement('{delete}').onclick();
+  
+  expect(keyboard.getCaretPosition()).toBe(1);
+  expect(keyboard2.getCaretPosition()).toBe(1);
+
+  expect(keyboard.getInput()).toBe('hlo');
+  expect(keyboard.getCaretPositionEnd()).toBe(1);
+  expect(keyboard2.getCaretPositionEnd()).toBe(1);
+});
+
+it('Keyboard removeForwardsAt will propagate caretPosition in a syncInstanceInputs setting', () => {
+  clearDOM();
+
+  document.body.innerHTML = `
+    <div class="simple-keyboard"></div>
+    <div class="keyboard2"></div>
+  `;
+
+  const keyboard = new Keyboard({
+    useMouseEvents: true,
+    syncInstanceInputs: true,
+    layout: {
+      default: ["{delete}"]
+    }
+  });
+  const keyboard2 = new Keyboard('.keyboard2');
+
+  keyboard.input.default = "hello"
+  
+  keyboard.setCaretPosition(1);
+  expect(keyboard.getCaretPosition()).toBe(1);
+  expect(keyboard.getCaretPositionEnd()).toBe(1);
+  
+  keyboard.setCaretPosition(1, 3);
+  expect(keyboard.getCaretPosition()).toBe(1);
+  expect(keyboard.getCaretPositionEnd()).toBe(3);
+
+  keyboard.getButtonElement('{delete}').onclick();
+  
+  expect(keyboard.getCaretPosition()).toBe(1);
+  expect(keyboard2.getCaretPosition()).toBe(1);
+
+  expect(keyboard.getInput()).toBe('hlo');
+  expect(keyboard.getCaretPositionEnd()).toBe(1);
+  expect(keyboard2.getCaretPositionEnd()).toBe(1);
+});
+
+it('Keyboard removeForwardsAt will remove regular strings', () => {
+  setDOM();
+
+  const keyboard = new Keyboard({
+    debug: true
+  });
+
+  keyboard.setCaretPosition(6);
+  let output = keyboard.utilities.removeForwardsAt("testie", 5, 5);
+  expect(output).toBe("testi");
+
+  keyboard.setCaretPosition(5);
+  output = keyboard.utilities.removeForwardsAt("testie", 5, 5, true);
+  expect(keyboard.caretPosition).toBe(5);
+});
+
+it('Keyboard removeForwardsAt will work with unset or start caretPosition', () => {
+  setDOM();
+
+  const keyboard = new Keyboard({
+    debug: true
+  });
+
+  let output = keyboard.utilities.removeForwardsAt("test", 3);
+  expect(output).toBe("tes");
+
+  output = keyboard.utilities.removeForwardsAt("test", null, null);
+  expect(output).toBe("test");
+
+  output = keyboard.utilities.removeForwardsAt("😀", 0);
+  expect(output).toBe("");
+
+  /**
+   * Will also work with moveCaret
+   */
+  output = keyboard.utilities.removeForwardsAt("test", null, null, true);
+  expect(output).toBe("test");
+  expect(keyboard.getCaretPosition()).toBe(null);
+
+  keyboard.setCaretPosition(2);
+  const str = "😀";
+  output = keyboard.utilities.removeForwardsAt(str, null, null, true);
+  expect(output).toBe(str);
+  expect(keyboard.getCaretPosition()).toBe(2);
+});

tsconfig.json

@@ -11,7 +11,8 @@
       "suppressImplicitAnyIndexErrors": true,
       "lib": ["es2020", "dom"],
       "moduleResolution": "node",
-      "downlevelIteration": true
+      "downlevelIteration": true,
+      "strict": true
     },
     "include": ["src/lib"],
     "exclude": ["src/lib/**/tests"],

webpack.config.js

@@ -27,6 +27,7 @@ const banner = `
 module.exports = {
   mode: "production",
   entry: './src/lib/index.ts',
+  target: 'es5',
   output: {
     filename: 'index.js',
     path: path.resolve(__dirname, 'build'),