Only run namespace select js when needed

app/assets/javascripts/dispatcher.js.coffee

@@ -81,7 +81,11 @@ class Dispatcher
         shortcut_handler = true
 
     switch path.first()
-      when 'admin' then new Admin()
+      when 'admin'
+        new Admin()
+        switch path[1]
+          when 'projects'
+            new NamespaceSelect()
       when 'dashboard'
         shortcut_handler = new ShortcutsDashboardNavigation()
       when 'projects'

app/assets/javascripts/namespace_select.js.coffee

-$ ->
-  namespaceFormatResult = (namespace) ->
-    markup = "<div class='namespace-result'>"
-    markup += "<span class='namespace-kind'>" + namespace.kind + "</span>"
-    markup += "<span class='namespace-path'>" + namespace.path + "</span>"
-    markup += "</div>"
-    markup
+class @NamespaceSelect
+  constructor: ->
+    namespaceFormatResult = (namespace) ->
+      markup = "<div class='namespace-result'>"
+      markup += "<span class='namespace-kind'>" + namespace.kind + "</span>"
+      markup += "<span class='namespace-path'>" + namespace.path + "</span>"
+      markup += "</div>"
+      markup
 
-  formatSelection = (namespace) ->
-    namespace.kind + ": " + namespace.path
+    formatSelection = (namespace) ->
+      namespace.kind + ": " + namespace.path
 
-  $('.ajax-namespace-select').each (i, select) ->
-    $(select).select2
-      placeholder: "Search for namespace"
-      multiple: $(select).hasClass('multiselect')
-      minimumInputLength: 0
-      query: (query) ->
-        Api.namespaces query.term, (namespaces) ->
-          data = { results: namespaces }
-          query.callback(data)
+    $('.ajax-namespace-select').each (i, select) ->
+      $(select).select2
+        placeholder: "Search for namespace"
+        multiple: $(select).hasClass('multiselect')
+        minimumInputLength: 0
+        query: (query) ->
+          Api.namespaces query.term, (namespaces) ->
+            data = { results: namespaces }
+            query.callback(data)
 
-      dropdownCssClass: "ajax-namespace-dropdown"
-      formatResult: namespaceFormatResult
-      formatSelection: formatSelection
+        dropdownCssClass: "ajax-namespace-dropdown"
+        formatResult: namespaceFormatResult
+        formatSelection: formatSelection