Convert Google Maps Geocoder response JSON to useful address object

/**
 * This hasn't been unit tested.  It also depends on address_component.types[0] 
 * being the primary type of interest i.e. not something like "political"...
 */

function convertAddressComponents(addrComponents) {
	var address = {};

	var typeMap = {
		street_number: "streetNumber",
		route: "streetName",
		locality: "city",
		administrative_area_level_2: "county",
		administrative_area_level_1: "state",
		country: "country",
		postal_code: "postalCode"
	};

	for (var i = 0; i < addrComponents.length; i++) {
		var c = addrComponents[i];
		if (c.types[0] && typeMap[c.types[0]] && c.short_name) {
			address[typeMap[c.types[0]]] = c.short_name;
		}
	}

	return address;
}