keys.js

let Keys = {
    BACKSPACE: 8,
    TAB: 9,
    NUM_PAD_CLEAR: 12,
    ENTER: 13,
    SHIFT: 16,
    CTRL: 17,
    ALT: 18,
    PAUSE: 19,
    CAPS_LOCK: 20,
    ESCAPE: 27,
    SPACEBAR: 32,
    PAGE_UP: 33,
    PAGE_DOWN: 34,
    END: 35,
    HOME: 36,
    ARROW_LEFT: 37,
    ARROW_UP: 38,
    ARROW_RIGHT: 39,
    ARROW_DOWN: 40,
    PRINT_SCREEN: 44,
    INSERT: 45,
    DELETE: 46,
    SEMICOLON: 59,
    WINDOWS_LEFT: 91,
    WINDOWS_RIGHT: 92,
    SELECT: 93,
    NUM_PAD_ASTERISK: 106,
    NUM_PAD_PLUS_SIGN: 107,
    "NUM_PAD_HYPHEN-MINUS": 109,
    NUM_PAD_FULL_STOP: 110,
    NUM_PAD_SOLIDUS: 111,
    NUM_LOCK: 144,
    SCROLL_LOCK: 145,
    SEMICOLON: 186,
    EQUALS_SIGN: 187,
    COMMA: 188,
    "HYPHEN-MINUS": 189,
    FULL_STOP: 190,
    SOLIDUS: 191,
    GRAVE_ACCENT: 192,
    LEFT_SQUARE_BRACKET: 219,
    REVERSE_SOLIDUS: 220,
    RIGHT_SQUARE_BRACKET: 221,
    APOSTROPHE: 222
}

for (let i = 48; i <= 57; i++) {
  Keys["" + (i - 48)] = i;
}
/* A - Z */
for (let i = 65; i <= 90; i++) {
  Keys["" + String.fromCharCode(i)] = i;
}
/* NUM_PAD_0 - NUM_PAD_9 */
for (let i = 96; i <= 105; i++) {
  Keys["NUM_PAD_" + (i - 96)] = i;
}
/* F1 - F12 */
for (let i = 112; i <= 123; i++) {
  Keys["F" + (i - 112 + 1)] = i;
}

export { Keys };