React.js deep linkState http://stackoverflow.com/questions/21057219/react-js-2-way-bindings-two-levels-deep-path-in-valuelink

deep-link-state.js

var DeepLinkState = {
	linkState: function(path) {
		function setPath(obj, path, value) {
			var leaf = resolvePath(obj, path);
			leaf.obj[leaf.name] = value;
		}

		function getPath(obj, path) {
			var leaf = resolvePath(obj, path);
			return leaf.obj[leaf.name];
		}

		function resolvePath(obj, names) {
			if (typeof names === 'string') {
				names = names.split('.');
			}
			var lastIndex = names.length - 1;
			var current = obj;
			for (var i = 0; i < lastIndex; i++) {
				var name = names[i];
				current = current[name];
			}
			return {
				obj: current,
				name: names[lastIndex]
			}
		}

		return {
			value: getPath(this.state, path),
			requestChange: function(newValue) {
				setPath(this.state, path, newValue);
				this.forceUpdate();
			}.bind(this)
		}
	}
};

This is better. https://github.com/EarthlingInteractive/react-deep-link-state/blob/master/DeepLinkedStateLib.js