From 513cf3e74c0d070bb0143f07a46ffaf8d22065c7 Mon Sep 17 00:00:00 2001
From: Quinn Harris <quinn@quinnharris.me>
Date: Wed, 6 Apr 2016 17:43:01 -0500
Subject: [PATCH] Support no provided source

---
 lib/x-editable-rails/view_helpers.rb | 1 +
 test/view_helpers_test.rb            | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/lib/x-editable-rails/view_helpers.rb b/lib/x-editable-rails/view_helpers.rb
index b38cbf1..bfaa44f 100644
--- a/lib/x-editable-rails/view_helpers.rb
+++ b/lib/x-editable-rails/view_helpers.rb
@@ -88,6 +88,7 @@ def editable(object, method, options = {})
         private
 
         def normalize_source(source)
+          return [] unless source
           source.map do |el|
             if el.is_a? Array
               el
diff --git a/test/view_helpers_test.rb b/test/view_helpers_test.rb
index a5d3a4a..5724451 100644
--- a/test/view_helpers_test.rb
+++ b/test/view_helpers_test.rb
@@ -87,6 +87,10 @@ def initialize(attributes={})
                  editable(subject_1, :content, type: "select", source: [{ text: "Foo", value: "foo" }, { text: "Bar", value: "bar" }]),
                  "ViewHelpers#editable should generate content tag with the current value"
 
+    refute_match %r{data-source=},
+                 editable(subject_1, :content, type: "select"),
+                 "ViewHelpers#editable should generate content tag without source"
+
     subject_2 = Subject.new(active: true)
 
     assert_match %r{<span[^>]+>Yes</span>},