mapleOpen.js

// Paste this into your Chrome Console
var check = function () {
	var content = document.body.textContent || document.body.innerText;
	var open = content.indexOf('Kitchen’s Open') !== -1;
	if (open) {
		alert ('Kitchen is Open!')
	} else {
    console.log('still waiting....');
		setTimeout(check, 10000);
	}
};
check();