in src/packages/pikaday/pikaday.js [509:537]
self._onKeyChange = function(e)
{
e = e || window.event;
// ignore if event comes from input box
if (self.isVisible() && e.target && e.target.type !== 'text') {
switch(e.keyCode){
case 13:
case 27:
if (opts.field) {
opts.field.blur();
}
break;
case 37:
e.preventDefault();
self.adjustDate('subtract', 1);
break;
case 38:
self.adjustDate('subtract', 7);
break;
case 39:
self.adjustDate('add', 1);
break;
case 40:
self.adjustDate('add', 7);
break;
}
}
};