text: // key codes
  export const KEY_CODES = {
      BACK_SPACE: 8,
      TAB: 9,
      ENTER: 13,
      SHIFT: 16,
      SPACE: 32,
  
      ARROW_LEFT: 37,
      ARROW_UP: 38,
      ARROW_RIGHT: 39,
      ARROW_DOWN: 40,
  
      DELETE: 46,
  
      F2: 113,
  };
  