waitUtil

waitUntil.js

	function waitUntil(options) {
		options = options || {};
		options.timeout = options.timeout || 1000;
		var elapsed = 0;
		var handle = setInterval(function() {
			if (options.rule()) {
				if (typeof options.success === "function") options.success();
				if (typeof options.complete === "function") options.complete();
				return clearInterval(handle);
			}
			elapsed+=100;
			if (elapsed > options.timeout) {
				if (typeof options.fail === "function") options.fail();
				if (typeof options.complete === "function") options.complete();
				return clearInterval(handle);
			}
		}, 100);
	}

	waitUntil({
		rule: function() { return true }, // only success on true
		timeout: 1000, // wait for 1second
		success: function() { /* do this */ }, // do this on success
		fail: function() { /* do this */ }, // do this after timeout
		complete: function() { /* do this */ } // do this after timeout or success
	})