How does one add a conditional inside of a link in jade?

Question

How does one add a conditional inside of a tag (link/anchor in my case) in jade?

Here's my pseudo code that of course won't work:

a(href="/foo", class="if (current_route[1] == 'foo'){active}") Go to Foo

Answer 1

How about

a(href="/foo", class=(current_route[1] === 'foo')? "active" : "") Go to Foo