format address function

formatAddress.js

function formatAddress(obj, context) {

    // this allows you to pass in a context and keys instead of values
    if (arguments.length >= 2) {
        if (context) {
            obj = {
                address: _.map(obj.address, function (item) {
                    return context[item];
                }),
                city: context[obj.city],
                state: context[obj.state],
                zip5: context[obj.zip5],
                zip4: context[obj.zip4]
            }
        } else {
            // if there is no context, but it's been passed in, then we have nothing to display.
            return "";
        }
    }

    var br = '<br/>';
    var result = [];
    if (_.isArray(obj.address)) {
        result.push(_.compact(obj.address).join(br));
    } else {
        result.push(obj.address);
    }
    result.push([br,obj.city,', ',obj.state,' ',obj.zip5]);
    
    if(obj.zip4){
        result.push(['-', obj.zip4]);
    }

    return _.flatten(result).join('');
}