>>Hi everybody,
>>
>>I am still not clear how directives work and how to make them optional.
>
>The link function passes a third parameter which lets you get at the attributes:
>
>

>// Instead of this:
>            link: function (scope, element) {
>// Do this:
>            link: function (scope, element, attrib) {
>

>
>Now you have access to the attributes, so to grab the value:
>
>

>var attribValue = attrib.smFocus
>

>
>(take a look at attrib in the debugger and you'll see the values it holds).

It seems to be working as it is returning nothing when I have it as sm-focus. My question is - how can I now check if it's empty or true as I only want to not execute code when it's false.