export const BACKSPACE = 8 ; export const TAB = 9 ; export const ENTER = 13 ; export const SHIFT = 16 ; export const ESCAPE = 27 ; export const SPACE = 32 ; export const ARROW_LEFT = 37 ; export const ARROW_UP = 38 ; export const ARROW_RIGHT = 39 ; export const ARROW_DOWN = 40 ; export const DELETE = 46 ; /** Returns whether the key code is `enter` or `space`, the two keys that can click a button. */ export function isKeyboardClick ( keyCode ) { return keyCode === ENTER || keyCode === SPACE ; }