jade template for tag page

tag-page.jade

- var tagsForPosts = function() {
-   var data = public.posts.data;
-   var tags = {};
-   for (var name in data) {
-     if (name[0] != '_') {
-       var ts = data[name].tags;
-       for (var i in ts) {
-         tag = ts[i];
-         tags[tag] = tags[tag] || []
-         tags[tag].push (name);
-       }
-     }
-   }
-   return tags;
- }

h1 Posts tagged with 
  span#tagName

each posts, tag in tagsForPosts()
  ul.posts(id=tag, style="display: none")
    each name in posts
      li
        - var teaser = teaserForPost(name);
        +postTeaser(teaser)

script.
  var tag = window.location.hash.substr (1);
  document.getElementById ("tagName").innerText = tag;
  document.getElementById (tag).style.display = "block";