From 433907ae8493a49e742139612eab1ce70f1493ab Mon Sep 17 00:00:00 2001
From: Nate Lillich <nate@pulselocker.com>
Date: Wed, 20 Mar 2013 20:12:24 -0700
Subject: [PATCH 1/2] Added support for functions as templates

---
 src/js/typeahead.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/js/typeahead.js b/src/js/typeahead.js
index 335bb12d..3ffc942e 100644
--- a/src/js/typeahead.js
+++ b/src/js/typeahead.js
@@ -38,7 +38,7 @@
         else {
           datasetDef.limit = datasetDef.limit || 5;
 
-          if (datasetDef.template && !datasetDef.engine) {
+          if (datasetDef.template && !datasetDef.engine && typeof datasetDef.template != 'function') {
             throw new Error('no template engine specified for ' + name);
           }
 
@@ -101,7 +101,15 @@
     var wrapper = '<li class="tt-suggestion">%body</li>',
         compiledTemplate;
 
-    if (template) {
+    if (typeof template == 'function') {
+      compiledTemplate = {
+        render : function(context) {
+          return wrapper.replace('%body', template(context));
+        }
+      };
+    }
+
+    else if (template) {
       compiledTemplate = engine.compile(wrapper.replace('%body', template));
     }
 

From 626b7432eb4fccf889cde24a3c7cc133f7b09784 Mon Sep 17 00:00:00 2001
From: Jake Harding <jharding@twitter.com>
Date: Fri, 29 Mar 2013 08:35:06 -0700
Subject: [PATCH 2/2] Add test for compiled template usage.

---
 src/dataset.js       |  2 ++
 test/dataset_spec.js | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/dataset.js b/src/dataset.js
index fe47ec33..31454004 100644
--- a/src/dataset.js
+++ b/src/dataset.js
@@ -288,10 +288,12 @@ var Dataset = (function() {
         wrappedTemplate,
         compiledTemplate;
 
+    // precompiled template
     if (utils.isFunction(template)) {
      compiledTemplate = template;
     }
 
+    // string template that needs to be compiled
     else if (utils.isString(template)) {
       wrappedTemplate = wrapper.replace('%body', template);
       compiledTemplate = engine.compile(wrappedTemplate).render;
diff --git a/test/dataset_spec.js b/test/dataset_spec.js
index 5b9fb1f0..59934e2f 100644
--- a/test/dataset_spec.js
+++ b/test/dataset_spec.js
@@ -136,6 +136,16 @@ describe('Dataset', function() {
         expect(this.dataset.template).toBe('boo');
       });
     });
+
+    describe('when called with a compiled template', function() {
+      beforeEach(function() {
+        this.dataset = new Dataset({ local: fixtureStrings, template: $.noop });
+      });
+
+      it('should use it', function() {
+        expect(this.dataset.template).toBe($.noop);
+      });
+    });
   });
 
   describe('#initialize', function() {