From a1e992e553c7fb3094f24352caf73bde35dfe08f Mon Sep 17 00:00:00 2001
From: winh <winnie@gitlab.com>
Date: Thu, 31 Aug 2017 12:59:28 +0200
Subject: Support null values in GitLabDropdown

---
 app/assets/javascripts/gl_dropdown.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/app/assets/javascripts/gl_dropdown.js b/app/assets/javascripts/gl_dropdown.js
index d65bbc0d808..6f7671aa6fe 100644
--- a/app/assets/javascripts/gl_dropdown.js
+++ b/app/assets/javascripts/gl_dropdown.js
@@ -637,11 +637,15 @@ GitLabDropdown = (function() {
         value = this.options.id ? this.options.id(data) : data.id;
         fieldName = this.options.fieldName;
 
-        if (value) { value = value.toString().replace(/'/g, '\\\''); }
-
-        field = this.dropdown.parent().find("input[name='" + fieldName + "'][value='" + value + "']");
-        if (field.length) {
-          selected = true;
+        if (value) {
+          value = value.toString().replace(/'/g, '\\\'');
+          field = this.dropdown.parent().find(`input[name='${fieldName}'][value='${value}']`);
+          if (field.length) {
+            selected = true;
+          }
+        } else {
+          field = this.dropdown.parent().find(`input[name='${fieldName}']`);
+          selected = !field.length;
         }
       }
       // Set URL
-- 
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