enum Keycode by typescript

Keycode.ts

export enum Keycode {
  None = -1,
  // none = 0,1,2,3,4,5,6,7
  BackSpace = 8,
  Tab = 9,
  // none = 10,11,12
  Enter = 13,
  // none = 14,15
  Shift = 16,
  Ctrl = 17,
  Alt = 18,
  PauseBreak = 19,
  CapsLock = 20,
  // none = 21,22,23,24,25,26
  Esc = 27,
  // none = 28,29,30,31,32
  PageUp = 33,
  PageDown = 34,
  End = 35,
  Home = 36,
  ArrowLeft = 37,
  ArrowUp = 38,
  ArrowRight = 39,
  ArrowDown = 40,
  // none = 41,42,43,44
  Insert = 45,
  Delete = 46,
  // none= 47
  KeyPad0 = 48,
  KeyPad1 = 49,
  KeyPad2 = 50,
  KeyPad3 = 51,
  KeyPad4 = 52,
  KeyPad5 = 53,
  KeyPad6 = 54,
  KeyPad7 = 55,
  KeyPad8 = 56,
  KeyPad9 = 57,
  // none = 58
  semicolon = 59, // ;:
  // none = 60
  equals = 61, // =+
  // none = 62,63,64
  a = 65,
  b = 66,
  c = 67,
  d = 68,
  e = 69,
  f = 70,
  g = 71,
  h = 72,
  i = 73,
  j = 74,
  k = 75,
  l = 76,
  m = 77,
  n = 78,
  o = 79,
  p = 80,
  q = 81,
  r = 82,
  s = 83,
  t = 84,
  u = 85,
  v = 86,
  w = 87,
  x = 88,
  y = 89,
  z = 90,
  Windows = 91,
  // none = 92
  RightClick = 93,
  // none = 94,95
  NumPad0 = 96,
  NumPad1 = 97,
  NumPad2 = 98,
  NumPad3 = 99,
  NumPad4 = 100,
  NumPad5 = 101,
  NumPad6 = 102,
  NumPad7 = 103,
  NumPad8 = 104,
  NumPad9 = 105,
  NumPadStar = 106, // *
  NumPadPlus = 107, // +
  // none = 108,
  NumPadMinus = 109, // -
  NumPadDot = 110, // .
  NumPadSlash = 111, // /
  F1 = 112,
  F2 = 113,
  F3 = 114,
  F4 = 115,
  F5 = 116,
  F6 = 117,
  F7 = 118,
  F8 = 119,
  F9 = 120,
  F10 = 121,
  F11 = 122,
  F12 = 123,
  // none = 124,125,...,143
  NumLock = 144,
  ScrollLock = 145,
  // none = 146,147,...,181
  MyComputer = 182, // ???
  MyCalculator = 183, // ???
  // none = 184,185,...,187
  Comma = 188, // ,<
  // none = 189
  Dot = 190, // .>
  Slash = 191, // /?
  BackQuote = 192, // `~
  // none = 193,194,...,218
  LeftSquareParen = 219, // {[
  BackSlash = 220, // \|
  RightSquareParen = 221, // ]}
  Quote = 222 // '"
  // none = 223,224,...,249
}