Replace Ember app with Mithril app

js/lib/helpers/avatar.js

@@ -0,0 +1,26 @@
+export default function avatar(user, args) {
+  args = args || {}
+  args.className = 'avatar '+(args.className || '')
+  var content = ''
+
+  var title = typeof args.title === 'undefined' || args.title
+  if (!title) { delete args.title }
+
+  if (user) {
+    var username = user.username() || '?'
+
+    if (title) { args.title = args.title || username }
+
+    var avatarUrl = user.avatarUrl()
+    if (avatarUrl) {
+      args.src = avatarUrl
+      return m('img', args)
+    }
+
+    content = username.charAt(0).toUpperCase()
+    args.style = {background: user.color()}
+  }
+
+  if (!args.title) { delete args.title }
+  return m('span', args, content)
+}